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lyx_mirror/src/Buffer.cpp
Juergen Spitzmueller 4cfa3488e5 Restore parent after buffer reload (#13031)
2024-01-19 09:09:28 +01:00

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/**
* \file Buffer.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
* \author Stefan Schimanski
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "Buffer.h"
#include "Author.h"
#include "BiblioInfo.h"
#include "BranchList.h"
#include "buffer_funcs.h"
#include "BufferList.h"
#include "BufferParams.h"
#include "Bullet.h"
#include "Chktex.h"
#include "ColorSet.h"
#include "Converter.h"
#include "Counters.h"
#include "Cursor.h"
#include "CutAndPaste.h"
#include "DispatchResult.h"
#include "DocIterator.h"
#include "BufferEncodings.h"
#include "ErrorList.h"
#include "Exporter.h"
#include "Format.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
#include "IndicesList.h"
#include "InsetIterator.h"
#include "InsetList.h"
#include "Language.h"
#include "LaTeXFeatures.h"
#include "LaTeX.h"
#include "Layout.h"
#include "Lexer.h"
#include "LyXAction.h"
#include "LyX.h"
#include "LyXRC.h"
#include "LyXVC.h"
#include "output.h"
#include "output_latex.h"
#include "output_docbook.h"
#include "output_plaintext.h"
#include "output_xhtml.h"
#include "Paragraph.h"
#include "ParagraphParameters.h"
#include "ParIterator.h"
#include "PDFOptions.h"
#include "Session.h"
#include "SpellChecker.h"
#include "xml.h"
#include "texstream.h"
#include "TexRow.h"
#include "Text.h"
#include "TextClass.h"
#include "TocBackend.h"
#include "Undo.h"
#include "VCBackend.h"
#include "version.h"
#include "WordLangTuple.h"
#include "insets/InsetBranch.h"
#include "insets/InsetInclude.h"
#include "insets/InsetText.h"
#include "mathed/InsetMathHull.h"
#include "mathed/MacroTable.h"
#include "mathed/InsetMathMacroTemplate.h"
#include "mathed/MathSupport.h"
#include "graphics/PreviewLoader.h"
#include "frontends/Application.h"
#include "frontends/alert.h"
#include "frontends/Delegates.h"
#include "frontends/WorkAreaManager.h"
#include "support/lassert.h"
#include "support/convert.h"
#include "support/debug.h"
#include "support/docstring_list.h"
#include "support/ExceptionMessage.h"
#include "support/FileMonitor.h"
#include "support/FileName.h"
#include "support/FileNameList.h"
#include "support/filetools.h"
#include "support/gettext.h"
#include "support/gzstream.h"
#include "support/lstrings.h"
#include "support/mutex.h"
#include "support/os.h"
#include "support/Package.h"
#include "support/PathChanger.h"
#include "support/Systemcall.h"
#include "support/TempFile.h"
#include "support/textutils.h"
#include "support/types.h"
#include <algorithm>
#include <fstream>
#include <iomanip>
#include <map>
#include <memory>
#include <set>
#include <sstream>
#include <vector>
using namespace std;
using namespace lyx::support;
using namespace lyx::graphics;
namespace lyx {
namespace Alert = frontend::Alert;
namespace os = support::os;
namespace {
int const LYX_FORMAT = LYX_FORMAT_LYX;
typedef map<string, bool> DepClean;
// Information about labels and their associated refs
struct LabelInfo {
/// label string
docstring label;
/// label inset
InsetLabel const * inset;
/// associated references cache
Buffer::References references;
/// whether this label is active (i.e., not deleted)
bool active;
};
typedef vector<LabelInfo> LabelCache;
typedef map<docstring, Buffer::References> RefCache;
// A storehouse for the cloned buffers.
typedef list<CloneList_ptr> CloneStore;
CloneStore cloned_buffers;
} // namespace
class Buffer::Impl
{
public:
Impl(Buffer * owner, FileName const & file, bool readonly, Buffer const * cloned_buffer);
~Impl()
{
delete preview_loader_;
if (wa_) {
wa_->closeAll();
delete wa_;
}
delete inset;
}
/// search for macro in local (buffer) table or in children
MacroData const * getBufferMacro(docstring const & name,
DocIterator const & pos) const;
/// Update macro table starting with position of it \param it in some
/// text inset.
void updateMacros(DocIterator & it, DocIterator & scope);
///
void setLabel(ParIterator & it, UpdateType utype) const;
/** If we have branches that use the file suffix
feature, return the file name with suffix appended.
*/
FileName exportFileName() const;
Buffer * owner_;
BufferParams params;
LyXVC lyxvc;
FileName temppath;
mutable TexRow texrow;
/// need to regenerate .tex?
DepClean dep_clean;
/// name of the file the buffer is associated with.
FileName filename;
///
mutable TocBackend toc_backend;
/// macro tables
struct ScopeMacro {
ScopeMacro() {}
ScopeMacro(DocIterator const & s, MacroData const & m)
: scope(s), macro(m) {}
DocIterator scope;
MacroData macro;
};
typedef map<DocIterator, ScopeMacro> PositionScopeMacroMap;
typedef map<docstring, PositionScopeMacroMap> NamePositionScopeMacroMap;
/// map from the macro name to the position map,
/// which maps the macro definition position to the scope and the MacroData.
NamePositionScopeMacroMap macros;
/// positions of child buffers in the buffer
typedef map<Buffer const * const, DocIterator> BufferPositionMap;
struct ScopeBuffer {
ScopeBuffer() : buffer(nullptr) {}
ScopeBuffer(DocIterator const & s, Buffer const * b)
: scope(s), buffer(b) {}
DocIterator scope;
Buffer const * buffer;
};
typedef map<DocIterator, ScopeBuffer> PositionScopeBufferMap;
/// position of children buffers in this buffer
BufferPositionMap children_positions;
/// map from children inclusion positions to their scope and their buffer
PositionScopeBufferMap position_to_children;
/// Contains the old buffer filePath() while saving-as, or the
/// directory where the document was last saved while loading.
string old_position;
/** Keeps track of the path of local layout files.
* If possible, it is always relative to the buffer path.
* Empty for layouts in system or user directory.
*/
string layout_position;
/// Container for all sort of Buffer dependant errors.
map<string, ErrorList> errorLists;
/// checksum used to test if the file has been externally modified. Used to
/// double check whether the file had been externally modified when saving.
unsigned long checksum_;
///
frontend::WorkAreaManager * wa_;
///
frontend::GuiBufferDelegate * gui_;
///
Undo undo_;
/// A cache for the bibfiles (including bibfiles of loaded child
/// documents), needed for appropriate update of natbib labels.
mutable docstring_list bibfiles_cache_;
// FIXME The caching mechanism could be improved. At present, we have a
// cache for each Buffer, that caches all the bibliography info for that
// Buffer. A more efficient solution would be to have a global cache per
// file, and then to construct the Buffer's bibinfo from that.
/// A cache for bibliography info
mutable BiblioInfo bibinfo_;
/// Cache of timestamps of .bib files
map<FileName, time_t> bibfile_status_;
/// These two hold the file name and format, written to by
/// Buffer::preview and read from by LFUN_BUFFER_VIEW_CACHE.
FileName preview_file_;
string preview_format_;
/// Cache the references associated to a label and their positions
/// in the buffer.
mutable RefCache ref_cache_;
/// Cache the label insets and their activity status.
mutable LabelCache label_cache_;
/// our Text that should be wrapped in an InsetText
InsetText * inset;
///
PreviewLoader * preview_loader_;
/// If non zero, this buffer is a clone of existing buffer \p cloned_buffer_
/// This one is useful for preview detached in a thread.
Buffer const * cloned_buffer_;
///
CloneList_ptr clone_list_;
///
std::list<Buffer const *> include_list_;
private:
/// So we can force access via the accessors.
mutable Buffer const * parent_buffer;
FileMonitorPtr file_monitor_;
/// ints and bools are all listed last so as to avoid alignment issues
public:
/// original format of loaded file
int file_format;
/// are we in the process of exporting this buffer?
mutable bool doing_export;
/// If there was an error when previewing, on the next preview we do
/// a fresh compile (e.g. in case the user installed a package that
/// was missing).
bool require_fresh_start_;
/// Indicates whether the bibinfo has changed since the last time
/// we ran updateBuffer(), i.e., whether citation labels may need
/// to be updated.
mutable bool cite_labels_valid_;
/// Do we have a bibliography environment?
mutable bool have_bibitems_;
/// is save needed?
mutable bool lyx_clean;
/// is autosave needed?
mutable bool bak_clean;
/// is this an unnamed file (New...)?
bool unnamed;
/// is this an internal bufffer?
bool internal_buffer;
/// buffer is r/o
bool read_only;
/** Set to true only when the file is fully loaded.
* Used to prevent the premature generation of previews
* and by the citation inset.
*/
bool file_fully_loaded;
/// if the file was originally loaded from an older format, do
/// we need to back it up still?
bool need_format_backup;
/// Ignore the parent (e.g. when exporting a child standalone)?
bool ignore_parent;
/// This seem to change the way Buffer::getMacro() works
mutable bool macro_lock;
/// has been externally modified? Can be reset by the user.
mutable bool externally_modified_;
/// whether the bibinfo cache is valid
mutable bool bibinfo_cache_valid_;
///
mutable bool need_update;
private:
int word_count_;
int char_count_;
int blank_count_;
public:
/// This is here to force the test to be done whenever parent_buffer
/// is accessed.
Buffer const * parent() const
{
// ignore_parent temporarily "orphans" a buffer
// (e.g. if a child is compiled standalone)
if (ignore_parent)
return nullptr;
// if parent_buffer is not loaded, then it has been unloaded,
// which means that parent_buffer is an invalid pointer. So we
// set it to null in that case.
// however, the BufferList doesn't know about cloned buffers, so
// they will always be regarded as unloaded. in that case, we hope
// for the best.
if (!cloned_buffer_ && !theBufferList().isLoaded(parent_buffer))
parent_buffer = nullptr;
return parent_buffer;
}
///
void setParent(Buffer const * pb)
{
if (parent_buffer == pb)
// nothing to do
return;
if (!cloned_buffer_ && parent_buffer && pb)
LYXERR0("Warning: a buffer should not have two parents!");
parent_buffer = pb;
if (!cloned_buffer_ && parent_buffer)
parent_buffer->invalidateBibinfoCache();
}
/// compute statistics
/// \p from initial position
/// \p to points to the end position
void updateStatistics(DocIterator & from, DocIterator & to,
bool skipNoOutput = true);
/// statistics accessor functions
int wordCount() const
{
return word_count_;
}
int charCount(bool with_blanks) const
{
return char_count_
+ (with_blanks ? blank_count_ : 0);
}
// Make sure the file monitor monitors the good file.
void refreshFileMonitor();
/// Notify or clear of external modification
void fileExternallyModified(bool exists);
///Binding LaTeX lines with buffer positions.
//Common routine for LaTeX and Reference errors listing.
void traverseErrors(TeXErrors::Errors::const_iterator err,
TeXErrors::Errors::const_iterator end,
ErrorList & errorList) const;
};
/// Creates the per buffer temporary directory
static FileName createBufferTmpDir()
{
// FIXME This would be the ideal application for a TempDir class (like
// TempFile but for directories)
string counter;
{
static int count;
static Mutex mutex;
Mutex::Locker locker(&mutex);
counter = convert<string>(count++);
}
// We are in our own directory. Why bother to mangle name?
// In fact I wrote this code to circumvent a problematic behaviour
// (bug?) of EMX mkstemp().
FileName tmpfl(package().temp_dir().absFileName() + "/lyx_tmpbuf" +
counter);
if (!tmpfl.createDirectory(0777)) {
throw ExceptionMessage(WarningException, _("Disk Error: "), bformat(
_("LyX could not create the temporary directory '%1$s' (Disk is full maybe?)"),
from_utf8(tmpfl.absFileName())));
}
return tmpfl;
}
Buffer::Impl::Impl(Buffer * owner, FileName const & file, bool readonly_,
Buffer const * cloned_buffer)
: owner_(owner), filename(file), toc_backend(owner), checksum_(0),
wa_(nullptr), gui_(nullptr), undo_(*owner), inset(nullptr),
preview_loader_(nullptr), cloned_buffer_(cloned_buffer),
clone_list_(nullptr), parent_buffer(nullptr), file_format(LYX_FORMAT),
doing_export(false), require_fresh_start_(false), cite_labels_valid_(false),
have_bibitems_(false), lyx_clean(true), bak_clean(true), unnamed(false),
internal_buffer(false), read_only(readonly_), file_fully_loaded(false),
need_format_backup(false), ignore_parent(false), macro_lock(false),
externally_modified_(false), bibinfo_cache_valid_(false),
need_update(false), word_count_(0), char_count_(0), blank_count_(0)
{
refreshFileMonitor();
if (!cloned_buffer_) {
temppath = createBufferTmpDir();
lyxvc.setBuffer(owner_);
Language const * inplang = theApp() ?
languages.getFromCode(theApp()->inputLanguageCode())
: nullptr;
if (inplang)
params.language = inplang;
if (use_gui)
wa_ = new frontend::WorkAreaManager;
return;
}
temppath = cloned_buffer_->d->temppath;
file_fully_loaded = true;
params = cloned_buffer_->d->params;
bibfiles_cache_ = cloned_buffer_->d->bibfiles_cache_;
bibinfo_ = cloned_buffer_->d->bibinfo_;
bibinfo_cache_valid_ = cloned_buffer_->d->bibinfo_cache_valid_;
bibfile_status_ = cloned_buffer_->d->bibfile_status_;
cite_labels_valid_ = cloned_buffer_->d->cite_labels_valid_;
have_bibitems_ = cloned_buffer_->d->have_bibitems_;
unnamed = cloned_buffer_->d->unnamed;
internal_buffer = cloned_buffer_->d->internal_buffer;
layout_position = cloned_buffer_->d->layout_position;
preview_file_ = cloned_buffer_->d->preview_file_;
preview_format_ = cloned_buffer_->d->preview_format_;
require_fresh_start_ = cloned_buffer_->d->require_fresh_start_;
}
Buffer::Buffer(string const & file, bool readonly, Buffer const * cloned_buffer)
: d(new Impl(this, FileName(file), readonly, cloned_buffer))
{
LYXERR(Debug::INFO, "Buffer::Buffer()");
if (cloned_buffer) {
d->inset = new InsetText(*cloned_buffer->d->inset);
d->inset->setBuffer(*this);
// FIXME: optimize this loop somewhat, maybe by creating a new
// general recursive Inset::setId().
DocIterator it = doc_iterator_begin(this);
DocIterator cloned_it = doc_iterator_begin(cloned_buffer);
for (; !it.atEnd(); it.forwardPar(), cloned_it.forwardPar())
it.paragraph().setId(cloned_it.paragraph().id());
} else
d->inset = new InsetText(this);
d->inset->getText(0)->setMacrocontextPosition(par_iterator_begin());
}
Buffer::~Buffer()
{
LYXERR(Debug::INFO, "Buffer::~Buffer()");
// here the buffer should take care that it is
// saved properly, before it goes into the void.
// GuiView already destroyed
d->gui_ = nullptr;
if (isInternal()) {
// No need to do additional cleanups for internal buffer.
delete d;
return;
}
if (isClone()) {
// this is in case of recursive includes: we won't try to delete
// ourselves as a child.
d->clone_list_->erase(this);
// loop over children
for (auto const & p : d->children_positions) {
Buffer * child = const_cast<Buffer *>(p.first);
if (d->clone_list_->erase(child))
delete child;
}
// if we're the master buffer, then we should get rid of the list
// of clones
if (!parent()) {
// If this is not empty, we have leaked something. Worse, one of the
// children still has a reference to this list. But we will try to
// continue, rather than shut down.
LATTEST(d->clone_list_->empty());
// The clone list itself is empty, but it's still referenced in our list
// of clones. So let's find it and remove it.
CloneStore::iterator it =
find(cloned_buffers.begin(), cloned_buffers.end(), d->clone_list_);
if (it == cloned_buffers.end()) {
// We will leak in this case, but it is safe to continue.
LATTEST(false);
} else
cloned_buffers.erase(it);
}
// FIXME Do we really need to do this right before we delete d?
// clear references to children in macro tables
d->children_positions.clear();
d->position_to_children.clear();
} else {
// loop over children
for (auto const & p : d->children_positions) {
Buffer * child = const_cast<Buffer *>(p.first);
if (theBufferList().isLoaded(child)) {
if (theBufferList().isOthersChild(this, child))
child->setParent(nullptr);
else
theBufferList().release(child);
}
}
if (!isClean()) {
docstring msg = _("LyX attempted to close a document that had unsaved changes!\n");
try {
msg += emergencyWrite();
} catch (...) {
msg += " " + _("Save failed! Document is lost.");
}
Alert::warning(_("Attempting to close changed document!"), msg);
}
// FIXME Do we really need to do this right before we delete d?
// clear references to children in macro tables
d->children_positions.clear();
d->position_to_children.clear();
if (!d->temppath.destroyDirectory()) {
LYXERR0(bformat(_("Could not remove the temporary directory %1$s"),
from_utf8(d->temppath.absFileName())));
}
removePreviews();
}
delete d;
}
Buffer * Buffer::cloneWithChildren() const
{
BufferMap bufmap;
cloned_buffers.emplace_back(new CloneList);
CloneList_ptr clones = cloned_buffers.back();
cloneWithChildren(bufmap, clones);
// make sure we got cloned
BufferMap::const_iterator bit = bufmap.find(this);
LASSERT(bit != bufmap.end(), return nullptr);
Buffer * cloned_buffer = bit->second;
return cloned_buffer;
}
void Buffer::cloneWithChildren(BufferMap & bufmap, CloneList_ptr clones) const
{
// have we already been cloned?
if (bufmap.find(this) != bufmap.end())
return;
Buffer * buffer_clone = new Buffer(fileName().absFileName(), false, this);
// The clone needs its own DocumentClass, since running updateBuffer() will
// modify it, and we would otherwise be sharing it with the original Buffer.
buffer_clone->params().makeDocumentClass(true);
cap::switchBetweenClasses(
params().documentClassPtr(), buffer_clone->params().documentClassPtr(),
static_cast<InsetText &>(buffer_clone->inset()));
bufmap[this] = buffer_clone;
clones->insert(buffer_clone);
buffer_clone->d->clone_list_ = clones;
buffer_clone->d->macro_lock = true;
buffer_clone->d->children_positions.clear();
// FIXME (Abdel 09/01/2010): this is too complicated. The whole children_positions and
// math macro caches need to be rethought and simplified.
// I am not sure wether we should handle Buffer cloning here or in BufferList.
// Right now BufferList knows nothing about buffer clones.
for (auto const & p : d->position_to_children) {
DocIterator dit = p.first.clone(buffer_clone);
dit.setBuffer(buffer_clone);
Buffer * child = const_cast<Buffer *>(p.second.buffer);
child->cloneWithChildren(bufmap, clones);
BufferMap::iterator const bit = bufmap.find(child);
LASSERT(bit != bufmap.end(), continue);
Buffer * child_clone = bit->second;
Inset * inset = dit.nextInset();
LASSERT(inset && inset->lyxCode() == INCLUDE_CODE, continue);
InsetInclude * inset_inc = static_cast<InsetInclude *>(inset);
inset_inc->setChildBuffer(child_clone);
child_clone->d->setParent(buffer_clone);
// FIXME Do we need to do this now, or can we wait until we run updateMacros()?
buffer_clone->setChild(dit, child_clone);
}
buffer_clone->d->macro_lock = false;
}
Buffer * Buffer::cloneBufferOnly() const {
cloned_buffers.emplace_back(new CloneList);
CloneList_ptr clones = cloned_buffers.back();
Buffer * buffer_clone = new Buffer(fileName().absFileName(), false, this);
// The clone needs its own DocumentClass, since running updateBuffer() will
// modify it, and we would otherwise be sharing it with the original Buffer.
buffer_clone->params().makeDocumentClass(true);
cap::switchBetweenClasses(
params().documentClassPtr(), buffer_clone->params().documentClassPtr(),
static_cast<InsetText &>(buffer_clone->inset()));
clones->insert(buffer_clone);
buffer_clone->d->clone_list_ = clones;
// we won't be cloning the children
buffer_clone->d->children_positions.clear();
return buffer_clone;
}
bool Buffer::isClone() const
{
return d->cloned_buffer_;
}
void Buffer::changed(bool update_metrics) const
{
if (d->wa_)
d->wa_->redrawAll(update_metrics);
}
frontend::WorkAreaManager & Buffer::workAreaManager() const
{
LBUFERR(d->wa_);
return *d->wa_;
}
Text & Buffer::text() const
{
return d->inset->text();
}
Inset & Buffer::inset() const
{
return *d->inset;
}
BufferParams & Buffer::params()
{
return d->params;
}
BufferParams const & Buffer::params() const
{
return d->params;
}
BufferParams const & Buffer::masterParams() const
{
if (masterBuffer() == this)
return params();
BufferParams & mparams = const_cast<Buffer *>(masterBuffer())->params();
// Copy child authors to the params. We need those pointers.
for (Author const & a : params().authors())
mparams.authors().record(a);
return mparams;
}
double Buffer::fontScalingFactor() const
{
return isExporting() ? 75.0 * params().html_math_img_scale
: 0.01 * lyxrc.dpi * lyxrc.currentZoom * lyxrc.preview_scale_factor * params().display_pixel_ratio;
}
ParagraphList & Buffer::paragraphs()
{
return text().paragraphs();
}
ParagraphList const & Buffer::paragraphs() const
{
return text().paragraphs();
}
LyXVC & Buffer::lyxvc()
{
return d->lyxvc;
}
LyXVC const & Buffer::lyxvc() const
{
return d->lyxvc;
}
string const Buffer::temppath() const
{
return d->temppath.absFileName();
}
TexRow & Buffer::texrow()
{
return d->texrow;
}
TexRow const & Buffer::texrow() const
{
return d->texrow;
}
TocBackend & Buffer::tocBackend() const
{
return d->toc_backend;
}
Undo & Buffer::undo()
{
return d->undo_;
}
Undo const & Buffer::undo() const
{
return d->undo_;
}
void Buffer::setChild(DocIterator const & dit, Buffer * child)
{
d->children_positions[child] = dit;
}
string Buffer::latexName(bool const no_path) const
{
FileName latex_name =
makeLatexName(d->exportFileName());
return no_path ? latex_name.onlyFileName()
: latex_name.absFileName();
}
FileName Buffer::Impl::exportFileName() const
{
docstring const branch_suffix =
params.branchlist().getFileNameSuffix();
if (branch_suffix.empty())
return filename;
string const name = addExtension(filename.onlyFileNameWithoutExt()
+ to_utf8(branch_suffix), filename.extension());
FileName res(filename.onlyPath().absFileName() + "/" + name);
return res;
}
string Buffer::logName(LogType * type) const
{
string const filename = latexName(false);
if (filename.empty()) {
if (type)
*type = latexlog;
return string();
}
string const path = temppath();
FileName const fname(addName(temppath(),
onlyFileName(changeExtension(filename,
".log"))));
// FIXME: how do we know this is the name of the build log?
FileName const bname(
addName(path, onlyFileName(
changeExtension(filename,
theFormats().extension(params().bufferFormat()) + ".out"))));
// Also consider the master buffer log file
FileName masterfname = fname;
LogType mtype = latexlog;
if (masterBuffer() != this) {
string const mlogfile = masterBuffer()->logName(&mtype);
masterfname = FileName(mlogfile);
}
// If no Latex log or Build log is newer, show Build log
if (bname.exists() &&
((!fname.exists() && !masterfname.exists())
|| (fname.lastModified() < bname.lastModified()
&& masterfname.lastModified() < bname.lastModified()))) {
LYXERR(Debug::FILES, "Log name calculated as: " << bname);
if (type)
*type = buildlog;
return bname.absFileName();
// If we have a newer master file log or only a master log, show this
} else if (fname != masterfname
&& (!fname.exists() && (masterfname.exists()
|| fname.lastModified() < masterfname.lastModified()))) {
LYXERR(Debug::FILES, "Log name calculated as: " << masterfname);
if (type)
*type = mtype;
return masterfname.absFileName();
}
LYXERR(Debug::FILES, "Log name calculated as: " << fname);
if (type)
*type = latexlog;
return fname.absFileName();
}
void Buffer::setReadonly(bool const flag)
{
if (d->read_only != flag) {
d->read_only = flag;
changed(false);
}
}
void Buffer::setFileName(FileName const & fname)
{
bool const changed = fname != d->filename;
d->filename = fname;
d->refreshFileMonitor();
if (changed)
lyxvc().file_found_hook(fname);
setReadonly(d->filename.isReadOnly());
saveCheckSum();
updateTitles();
}
int Buffer::readHeader(Lexer & lex)
{
int unknown_tokens = 0;
int line = -1;
int begin_header_line = -1;
// Initialize parameters that may be/go lacking in header:
params().branchlist().clear();
params().preamble.erase();
params().options.erase();
params().master.erase();
params().float_placement.erase();
params().float_alignment.erase();
params().paperwidth.erase();
params().paperheight.erase();
params().leftmargin.erase();
params().rightmargin.erase();
params().topmargin.erase();
params().bottommargin.erase();
params().headheight.erase();
params().headsep.erase();
params().footskip.erase();
params().columnsep.erase();
params().font_roman_opts.erase();
params().font_sans_opts.erase();
params().font_typewriter_opts.erase();
params().fonts_cjk.erase();
params().listings_params.clear();
params().clearLayoutModules();
params().clearRemovedModules();
params().clearIncludedChildren();
params().pdfoptions().clear();
params().document_metadata.clear();
params().indiceslist().clear();
params().backgroundcolor = lyx::rgbFromHexName("#ffffff");
params().isbackgroundcolor = false;
params().fontcolor = RGBColor(0, 0, 0);
params().isfontcolor = false;
params().notefontcolor = RGBColor(0xCC, 0xCC, 0xCC);
params().isnotefontcolor = false;
params().boxbgcolor = RGBColor(0xFF, 0, 0);
params().isboxbgcolor = false;
params().html_latex_start.clear();
params().html_latex_end.clear();
params().html_math_img_scale = 1.0;
params().output_sync_macro.erase();
params().setLocalLayout(docstring(), false);
params().setLocalLayout(docstring(), true);
params().biblio_opts.erase();
params().biblatex_bibstyle.erase();
params().biblatex_citestyle.erase();
params().multibib.erase();
params().lineno_opts.clear();
params().spellignore().clear();
for (int i = 0; i < 4; ++i) {
params().user_defined_bullet(i) = ITEMIZE_DEFAULTS[i];
params().temp_bullet(i) = ITEMIZE_DEFAULTS[i];
}
ErrorList & errorList = d->errorLists["Parse"];
while (lex.isOK()) {
string token;
lex >> token;
if (token.empty())
continue;
if (token == "\\end_header")
break;
++line;
if (token == "\\begin_header") {
begin_header_line = line;
continue;
}
LYXERR(Debug::PARSER, "Handling document header token: `"
<< token << '\'');
string const result =
params().readToken(lex, token, d->filename);
if (!result.empty()) {
if (token == "\\textclass") {
d->layout_position = result;
} else {
++unknown_tokens;
docstring const s = bformat(_("Unknown token: "
"%1$s %2$s\n"),
from_utf8(token),
lex.getDocString());
errorList.push_back(ErrorItem(_("Document header error"), s));
}
}
}
if (begin_header_line) {
docstring const s = _("\\begin_header is missing");
errorList.push_back(ErrorItem(_("Document header error"), s));
}
params().shell_escape = theSession().shellescapeFiles().find(absFileName());
params().makeDocumentClass(isClone(), isInternal());
return unknown_tokens;
}
// Uwe C. Schroeder
// changed to be public and have one parameter
// Returns true if "\end_document" is not read (Asger)
bool Buffer::readDocument(Lexer & lex)
{
ErrorList & errorList = d->errorLists["Parse"];
errorList.clear();
// remove dummy empty par
paragraphs().clear();
if (!lex.checkFor("\\begin_document")) {
docstring const s = _("\\begin_document is missing");
errorList.push_back(ErrorItem(_("Document header error"), s));
}
readHeader(lex);
if (params().output_changes) {
bool xcolorulem = LaTeXFeatures::isAvailable("ulem") &&
LaTeXFeatures::isAvailable("xcolor");
if (!xcolorulem) {
Alert::warning(_("Changes not shown in LaTeX output"),
_("Changes will not be highlighted in LaTeX output, "
"because xcolor and ulem are not installed.\n"
"Please install both packages or redefine "
"\\lyxadded and \\lyxdeleted in the LaTeX preamble."));
}
}
if (!parent() && !params().master.empty()) {
FileName const master_file = makeAbsPath(params().master,
onlyPath(absFileName()));
if (isLyXFileName(master_file.absFileName())) {
Buffer * master =
checkAndLoadLyXFile(master_file, true);
if (master) {
// necessary e.g. after a reload
// to re-register the child (bug 5873)
// FIXME: clean up updateMacros (here, only
// child registering is needed).
master->updateMacros();
// set master as master buffer, but only
// if we are a real child
if (master->isChild(this))
setParent(master);
// if the master is not fully loaded
// it is probably just loading this
// child. No warning needed then.
else if (master->isFullyLoaded())
LYXERR0("The master '"
<< params().master
<< "' assigned to this document ("
<< absFileName()
<< ") does not include "
"this document. Ignoring the master assignment.");
// If the master has just been created, un-hide it (#11162)
if (!master->fileName().exists())
lyx::dispatch(FuncRequest(LFUN_BUFFER_SWITCH,
master->absFileName()));
}
}
}
// assure we have a default index
params().indiceslist().addDefault(B_("Index"));
// read main text
if (FileName::isAbsolute(params().origin))
d->old_position = params().origin;
else
d->old_position = filePath();
if (!parent())
clearIncludeList();
bool const res = text().read(lex, errorList, d->inset);
d->old_position.clear();
// inform parent buffer about local macros
if (parent()) {
Buffer const * pbuf = parent();
for (auto const & m : usermacros)
pbuf->usermacros.insert(m);
}
usermacros.clear();
updateMacros();
updateMacroInstances(InternalUpdate);
return res;
}
bool Buffer::isSyncTeXenabled() const
{
bool enabled = params().output_sync;
if (!enabled)
for (auto const & c : theConverters()) {
const string dest = c.to().substr(0,3);
if (dest == "dvi" || dest == "pdf") {
const string cmd = c.command();
enabled |= cmd.find("-synctex=") != string::npos
&& cmd.find("-synctex=0") == string::npos;
if (enabled)
break;
}
}
return enabled;
}
bool Buffer::importString(string const & format, docstring const & contents, ErrorList & errorList)
{
Format const * fmt = theFormats().getFormat(format);
if (!fmt)
return false;
// It is important to use the correct extension here, since some
// converters create a wrong output file otherwise (e.g. html2latex)
FileName const name = tempFileName("Buffer_importStringXXXXXX." + fmt->extension());
ofdocstream os(name.toFilesystemEncoding().c_str());
// Do not convert os implicitly to bool, since that is forbidden in C++11.
bool const success = !(os << contents).fail();
os.close();
bool converted = false;
if (success) {
params().compressed = false;
// remove dummy empty par
paragraphs().clear();
converted = importFile(format, name, errorList);
}
removeTempFile(name);
return converted;
}
bool Buffer::importFile(string const & format, FileName const & name, ErrorList & errorList)
{
if (!theConverters().isReachable(format, "lyx"))
return false;
FileName const lyx = tempFileName("Buffer_importFileXXXXXX.lyx");
Converters::RetVal const retval =
theConverters().convert(this, name, lyx, name, format, "lyx", errorList);
if (retval == Converters::SUCCESS) {
bool const success = readFile(lyx) == ReadSuccess;
removeTempFile(lyx);
return success;
}
return false;
}
bool Buffer::readString(string const & s)
{
params().compressed = false;
Lexer lex;
istringstream is(s);
lex.setStream(is);
TempFile tempfile("Buffer_readStringXXXXXX.lyx");
FileName const fn = tempfile.name();
int file_format;
bool success = parseLyXFormat(lex, fn, file_format) == ReadSuccess;
if (success && file_format != LYX_FORMAT) {
// We need to call lyx2lyx, so write the input to a file
ofstream os(fn.toFilesystemEncoding().c_str());
os << s;
os.close();
// lyxvc in readFile
if (readFile(fn) != ReadSuccess)
success = false;
}
else if (success)
if (readDocument(lex))
success = false;
return success;
}
Buffer::ReadStatus Buffer::readFile(FileName const & fn)
{
Lexer lex;
if (!lex.setFile(fn)) {
Alert::error(_("File Not Found"),
bformat(_("Unable to open file `%1$s'."),
from_utf8(fn.absFileName())));
return ReadFileNotFound;
}
int file_format;
ReadStatus const ret_plf = parseLyXFormat(lex, fn, file_format);
if (ret_plf != ReadSuccess)
return ret_plf;
if (file_format != LYX_FORMAT) {
FileName tmpFile;
ReadStatus ret_clf = convertLyXFormat(fn, tmpFile, file_format);
if (ret_clf != ReadSuccess)
return ret_clf;
ret_clf = readFile(tmpFile);
if (ret_clf == ReadSuccess) {
d->file_format = file_format;
d->need_format_backup = true;
}
return ret_clf;
}
// FIXME: InsetInfo needs to know whether the file is under VCS
// during the parse process, so this has to be done before.
lyxvc().file_found_hook(d->filename);
if (readDocument(lex)) {
Alert::error(_("Document format failure"),
bformat(_("%1$s ended unexpectedly, which means"
" that it is probably corrupted."),
from_utf8(fn.absFileName())));
return ReadDocumentFailure;
}
d->file_fully_loaded = true;
d->read_only = !d->filename.isWritable();
params().compressed = theFormats().isZippedFile(d->filename);
saveCheckSum();
return ReadSuccess;
}
bool Buffer::isFullyLoaded() const
{
return d->file_fully_loaded;
}
void Buffer::setFullyLoaded(bool value)
{
d->file_fully_loaded = value;
}
bool Buffer::freshStartRequired() const
{
return d->require_fresh_start_;
}
void Buffer::requireFreshStart(bool const b) const
{
d->require_fresh_start_ = b;
}
PreviewLoader * Buffer::loader() const
{
if (!isExporting() && lyxrc.preview == LyXRC::PREVIEW_OFF)
return nullptr;
if (!d->preview_loader_)
d->preview_loader_ = new PreviewLoader(*this);
return d->preview_loader_;
}
void Buffer::removePreviews() const
{
delete d->preview_loader_;
d->preview_loader_ = nullptr;
}
void Buffer::updatePreviews() const
{
PreviewLoader * ploader = loader();
if (!ploader)
return;
InsetIterator it = begin(*d->inset);
InsetIterator const itend = end(*d->inset);
for (; it != itend; ++it)
it->addPreview(it, *ploader);
ploader->startLoading();
}
Buffer::ReadStatus Buffer::parseLyXFormat(Lexer & lex,
FileName const & fn, int & file_format) const
{
if(!lex.checkFor("\\lyxformat")) {
Alert::error(_("Document format failure"),
bformat(_("%1$s is not a readable LyX document."),
from_utf8(fn.absFileName())));
return ReadNoLyXFormat;
}
string tmp_format;
lex >> tmp_format;
// LyX formats 217 and earlier were written as 2.17. This corresponds
// to files from LyX versions < 1.1.6.3. We just remove the dot in
// these cases. See also: www.lyx.org/trac/changeset/1313.
size_t dot = tmp_format.find_first_of(".,");
if (dot != string::npos)
tmp_format.erase(dot, 1);
file_format = convert<int>(tmp_format);
return ReadSuccess;
}
Buffer::ReadStatus Buffer::convertLyXFormat(FileName const & fn,
FileName & tmpfile, int from_format)
{
TempFile tempfile("Buffer_convertLyXFormatXXXXXX.lyx");
tempfile.setAutoRemove(false);
tmpfile = tempfile.name();
if(tmpfile.empty()) {
Alert::error(_("Conversion failed"),
bformat(_("%1$s is from a different"
" version of LyX, but a temporary"
" file for converting it could"
" not be created."),
from_utf8(fn.absFileName())));
return LyX2LyXNoTempFile;
}
FileName const lyx2lyx = libFileSearch("lyx2lyx", "lyx2lyx");
if (lyx2lyx.empty()) {
Alert::error(_("Conversion script not found"),
bformat(_("%1$s is from a different"
" version of LyX, but the"
" conversion script lyx2lyx"
" could not be found."),
from_utf8(fn.absFileName())));
return LyX2LyXNotFound;
}
// Run lyx2lyx:
// $python$ "$lyx2lyx$" -t $LYX_FORMAT$ -o "$tempfile$" "$filetoread$"
ostringstream command;
command << os::python()
<< ' ' << quoteName(lyx2lyx.toFilesystemEncoding())
<< " -t " << convert<string>(LYX_FORMAT)
<< " -o " << quoteName(tmpfile.toSafeFilesystemEncoding())
<< ' ' << quoteName(fn.toSafeFilesystemEncoding());
string const command_str = command.str();
LYXERR(Debug::INFO, "Running '" << command_str << '\'');
cmd_ret const ret = runCommand(command_str);
if (!ret.valid) {
if (from_format < LYX_FORMAT) {
Alert::error(_("Conversion script failed"),
bformat(_("%1$s is from an older version"
" of LyX and the lyx2lyx script"
" failed to convert it."),
from_utf8(fn.absFileName())));
return LyX2LyXOlderFormat;
} else {
Alert::error(_("Conversion script failed"),
bformat(_("%1$s is from a newer version"
" of LyX and the lyx2lyx script"
" failed to convert it."),
from_utf8(fn.absFileName())));
return LyX2LyXNewerFormat;
}
}
return ReadSuccess;
}
FileName Buffer::getBackupName() const {
map<int, string> const file_formats = {
{544, "23"},
{508, "22"},
{474, "21"},
{413, "20"},
{345, "16"},
{276, "15"},
{245, "14"},
{221, "13"},
{220, "12"},
{218, "1163"},
{217, "116"},
{216, "115"},
{215, "11"},
{210, "010"},
{200, "006"}
};
FileName const & fn = fileName();
string const fname = fn.onlyFileNameWithoutExt();
string const fext = fn.extension() + "~";
string const fpath = lyxrc.backupdir_path.empty() ?
fn.onlyPath().absFileName() :
lyxrc.backupdir_path;
string backup_suffix;
// If file format is from a stable series use version instead of file format
auto const it = file_formats.find(d->file_format);
if (it != file_formats.end())
backup_suffix = "-lyx" + it->second;
else
backup_suffix = "-lyxformat-" + convert<string>(d->file_format);
string const backname = fname + backup_suffix;
FileName backup(addName(fpath, addExtension(backname, fext)));
// limit recursion, just in case
int v = 1;
unsigned long orig_checksum = 0;
while (backup.exists() && v < 100) {
if (orig_checksum == 0)
orig_checksum = fn.checksum();
unsigned long new_checksum = backup.checksum();
if (orig_checksum == new_checksum) {
LYXERR(Debug::FILES, "Not backing up " << fn <<
"since " << backup << "has the same checksum.");
// a bit of a hack, but we have to check this anyway
// below, and setting this is simpler than introducing
// a special boolean for this purpose.
v = 1000;
break;
}
string const newbackname = backname + "-" + convert<string>(v);
backup.set(addName(fpath, addExtension(newbackname, fext)));
v++;
}
return v < 100 ? backup : FileName();
}
// Should probably be moved to somewhere else: BufferView? GuiView?
bool Buffer::save() const
{
docstring const file = makeDisplayPath(absFileName(), 20);
d->filename.refresh();
// check the read-only status before moving the file as a backup
if (d->filename.exists()) {
bool const read_only = !d->filename.isWritable();
if (read_only) {
Alert::warning(_("File is read-only"),
bformat(_("The file %1$s cannot be written because it "
"is marked as read-only."), file));
return false;
}
}
// ask if the disk file has been externally modified (use checksum method)
if (fileName().exists() && isChecksumModified()) {
docstring text =
bformat(_("Document %1$s has been externally modified. "
"Are you sure you want to overwrite this file?"), file);
int const ret = Alert::prompt(_("Overwrite modified file?"),
text, 1, 1, _("&Overwrite"), _("&Cancel"));
if (ret == 1)
return false;
}
// We don't need autosaves in the immediate future. (Asger)
resetAutosaveTimers();
// if the file does not yet exist, none of the backup activity
// that follows is necessary
if (!fileName().exists()) {
if (!writeFile(fileName()))
return false;
markClean();
return true;
}
// we first write the file to a new name, then move it to its
// proper location once that has been done successfully. that
// way we preserve the original file if something goes wrong.
string const justname = fileName().onlyFileNameWithoutExt();
auto tempfile = lyx::make_unique<TempFile>(fileName().onlyPath(),
justname + "-XXXXXX.lyx");
bool const symlink = fileName().isSymLink();
if (!symlink)
tempfile->setAutoRemove(false);
FileName savefile(tempfile->name());
LYXERR(Debug::FILES, "Saving to " << savefile.absFileName());
if (!savefile.clonePermissions(fileName()))
LYXERR0("Failed to clone the permission from " << fileName().absFileName() << " to " << savefile.absFileName());
if (!writeFile(savefile))
return false;
// we will set this to false if we fail
bool made_backup = true;
FileName backupName;
bool const needBackup = lyxrc.make_backup || d->need_format_backup;
if (needBackup) {
if (d->need_format_backup)
backupName = getBackupName();
// If we for some reason failed to find a backup name in case of
// a format change, this will still set one. It's the best we can
// do in this case.
if (backupName.empty()) {
backupName.set(fileName().absFileName() + "~");
if (!lyxrc.backupdir_path.empty()) {
string const mangledName =
subst(subst(backupName.absFileName(), '/', '!'), ':', '!');
backupName.set(addName(lyxrc.backupdir_path, mangledName));
}
}
LYXERR(Debug::FILES, "Backing up original file to " <<
backupName.absFileName());
// Except file is symlink do not copy because of #6587.
// Hard links have bad luck.
made_backup = symlink ?
fileName().copyTo(backupName):
fileName().moveTo(backupName);
if (!made_backup) {
Alert::error(_("Backup failure"),
bformat(_("Cannot create backup file %1$s.\n"
"Please check whether the directory exists and is writable."),
from_utf8(backupName.absFileName())));
//LYXERR(Debug::DEBUG, "Fs error: " << fe.what());
} else if (d->need_format_backup) {
// the original file has been backed up successfully, so we
// will not need to do that again
d->need_format_backup = false;
}
}
// Destroy tempfile since it keeps the file locked on windows (bug 9234)
// Only do this if tempfile is not in autoremove mode
if (!symlink)
tempfile.reset();
// If we have no symlink, we can simply rename the temp file.
// Otherwise, we need to copy it so the symlink stays intact.
if (made_backup && symlink ? savefile.copyTo(fileName(), true) :
savefile.moveTo(fileName()))
{
// saveCheckSum() was already called by writeFile(), but the
// time stamp is invalidated by copying/moving
saveCheckSum();
markClean();
// the file associated with this buffer is now in the current format
d->file_format = LYX_FORMAT;
return true;
}
// else we saved the file, but failed to move it to the right location.
if (needBackup && made_backup && !symlink) {
// the original file was moved to some new location, so it will look
// to the user as if it was deleted. (see bug #9234.) we could try
// to restore it, but that would basically mean trying to do again
// what we just failed to do. better to leave things as they are.
Alert::error(_("Write failure"),
bformat(_("The file has successfully been saved as:\n %1$s.\n"
"But LyX could not move it to:\n %2$s.\n"
"Your original file has been backed up to:\n %3$s"),
from_utf8(savefile.absFileName()),
from_utf8(fileName().absFileName()),
from_utf8(backupName.absFileName())));
} else {
// either we did not try to make a backup, or else we tried and failed,
// or else the original file was a symlink, in which case it was copied,
// not moved. so the original file is intact.
Alert::error(_("Write failure"),
bformat(_("Cannot move saved file to:\n %1$s.\n"
"But the file has successfully been saved as:\n %2$s."),
from_utf8(fileName().absFileName()),
from_utf8(savefile.absFileName())));
}
return false;
}
bool Buffer::writeFile(FileName const & fname) const
{
if (d->read_only && fname == d->filename)
return false;
bool retval = false;
docstring const str = bformat(_("Saving document %1$s..."),
makeDisplayPath(fname.absFileName()));
message(str);
string const encoded_fname = fname.toSafeFilesystemEncoding(os::CREATE);
if (params().compressed) {
gz::ogzstream ofs(encoded_fname.c_str(), ios::out|ios::trunc);
retval = ofs && write(ofs);
} else {
ofstream ofs(encoded_fname.c_str(), ios::out|ios::trunc);
retval = ofs && write(ofs);
}
if (!retval) {
message(str + _(" could not write file!"));
return false;
}
// see bug 6587
// removeAutosaveFile();
saveCheckSum();
message(str + _(" done."));
return true;
}
docstring Buffer::emergencyWrite() const
{
// No need to save if the buffer has not changed.
if (isClean())
return docstring();
string const doc = isUnnamed() ? onlyFileName(absFileName()) : absFileName();
docstring user_message = bformat(
_("LyX: Attempting to save document %1$s\n"), from_utf8(doc));
// We try to save three places:
// 1) Same place as document. Unless it is an unnamed doc.
if (!isUnnamed()) {
string s = absFileName();
s += ".emergency";
LYXERR0(" " << s);
if (writeFile(FileName(s))) {
markClean();
user_message += " " + bformat(_("Saved to %1$s. Phew.\n"), from_utf8(s));
return user_message;
} else {
user_message += " " + _("Save failed! Trying again...\n");
}
}
// 2) In HOME directory.
string s = addName(Package::get_home_dir().absFileName(), absFileName());
s += ".emergency";
lyxerr << ' ' << s << endl;
if (writeFile(FileName(s))) {
markClean();
user_message += " " + bformat(_("Saved to %1$s. Phew.\n"), from_utf8(s));
return user_message;
}
user_message += " " + _("Save failed! Trying yet again...\n");
// 3) In "/tmp" directory.
// MakeAbsPath to prepend the current
// drive letter on OS/2
s = addName(package().temp_dir().absFileName(), absFileName());
s += ".emergency";
lyxerr << ' ' << s << endl;
if (writeFile(FileName(s))) {
markClean();
user_message += " " + bformat(_("Saved to %1$s. Phew.\n"), from_utf8(s));
return user_message;
}
user_message += " " + _("Save failed! Document is lost.");
// Don't try again.
markClean();
return user_message;
}
bool Buffer::write(ostream & ofs) const
{
#ifdef HAVE_LOCALE
// Use the standard "C" locale for file output.
ofs.imbue(locale::classic());
#endif
// The top of the file should not be written by params().
// write out a comment in the top of the file
// Important: Keep the version formatting in sync with lyx2lyx and
// tex2lyx (bug 7951)
ofs << "#LyX " << lyx_version_major << "." << lyx_version_minor
<< " created this file. For more info see https://www.lyx.org/\n"
<< "\\lyxformat " << LYX_FORMAT << "\n"
<< "\\begin_document\n";
/// For each author, set 'used' to true if there is a change
/// by this author in the document; otherwise set it to 'false'.
for (Author const & a : params().authors())
a.setUsed(false);
ParIterator const end = const_cast<Buffer *>(this)->par_iterator_end();
ParIterator it = const_cast<Buffer *>(this)->par_iterator_begin();
for ( ; it != end; ++it)
it->checkAuthors(params().authors());
// now write out the buffer parameters.
ofs << "\\begin_header\n";
params().writeFile(ofs, this);
ofs << "\\end_header\n";
// write the text
ofs << "\n\\begin_body\n";
text().write(ofs);
ofs << "\n\\end_body\n";
// Write marker that shows file is complete
ofs << "\\end_document" << endl;
// Shouldn't really be needed....
//ofs.close();
// how to check if close went ok?
// Following is an attempt... (BE 20001011)
// good() returns false if any error occurred, including some
// formatting error.
// bad() returns true if something bad happened in the buffer,
// which should include file system full errors.
bool status = true;
if (!ofs) {
status = false;
lyxerr << "File was not closed properly." << endl;
}
return status;
}
Buffer::ExportStatus Buffer::makeLaTeXFile(FileName const & fname,
string const & original_path,
OutputParams const & runparams_in,
OutputWhat output) const
{
OutputParams runparams = runparams_in;
string const encoding = runparams.encoding->iconvName();
LYXERR(Debug::OUTFILE, "makeLaTeXFile encoding: " << encoding << ", fname=" << fname.realPath());
ofdocstream ofs;
try { ofs.reset(encoding); }
catch (iconv_codecvt_facet_exception const & e) {
lyxerr << "Caught iconv exception: " << e.what() << endl;
Alert::error(_("Iconv software exception Detected"),
bformat(_("Please verify that the `iconv' support software is"
" properly installed and supports the selected encoding"
" (%1$s), or change the encoding in"
" Document>Settings>Language."), from_ascii(encoding)));
return ExportError;
}
if (!openFileWrite(ofs, fname))
return ExportError;
ErrorList & errorList = d->errorLists["Export"];
errorList.clear();
ExportStatus status = ExportSuccess;
otexstream os(ofs);
// make sure we are ready to export
// this needs to be done before we validate
// FIXME Do we need to do this all the time? I.e., in children
// of a master we are exporting?
updateBuffer();
updateMacroInstances(OutputUpdate);
ExportStatus retval;
try {
retval = writeLaTeXSource(os, original_path, runparams, output);
if (retval == ExportKilled)
return ExportKilled;
}
catch (EncodingException const & e) {
docstring const failed(1, e.failed_char);
ostringstream oss;
oss << "0x" << hex << static_cast<uint32_t>(e.failed_char) << dec;
if (getParFromID(e.par_id).paragraph().layout().pass_thru) {
docstring msg = bformat(_("Uncodable character '%1$s'"
" (code point %2$s)"),
failed, from_utf8(oss.str()));
errorList.push_back(ErrorItem(msg, _("Some characters of your document are not "
"representable in specific verbatim contexts.\n"
"Changing the document encoding to utf8 could help."),
{e.par_id, e.pos}, {e.par_id, e.pos + 1}));
} else {
docstring msg = bformat(_("Could not find LaTeX command for character '%1$s'"
" (code point %2$s)"),
failed, from_utf8(oss.str()));
errorList.push_back(ErrorItem(msg, _("Some characters of your document are probably not "
"representable in the chosen encoding.\n"
"Changing the document encoding to utf8 could help."),
{e.par_id, e.pos}, {e.par_id, e.pos + 1}));
}
status = ExportError;
}
catch (iconv_codecvt_facet_exception const & e) {
errorList.push_back(ErrorItem(_("iconv conversion failed"),
_(e.what())));
status = ExportError;
}
catch (exception const & e) {
errorList.push_back(ErrorItem(_("conversion failed"),
_(e.what())));
lyxerr << e.what() << endl;
status = ExportError;
}
catch (...) {
lyxerr << "Caught some really weird exception..." << endl;
lyx_exit(1);
}
d->texrow = std::move(os.texrow());
ofs.close();
if (ofs.fail()) {
status = ExportError;
lyxerr << "File '" << fname << "' was not closed properly." << endl;
}
if (runparams_in.silent)
errorList.clear();
else
errors("Export");
return status;
}
Buffer::ExportStatus Buffer::writeLaTeXSource(otexstream & os,
string const & original_path,
OutputParams const & runparams_in,
OutputWhat output) const
{
// The child documents, if any, shall be already loaded at this point.
OutputParams runparams = runparams_in;
// Some macros rely on font encoding
runparams.main_fontenc = params().main_font_encoding();
// If we are compiling a file standalone, even if this is the
// child of some other buffer, let's cut the link here, so the
// file is really independent and no concurring settings from
// the master (e.g. branch state) interfere (see #8100).
if (!runparams.is_child)
d->ignore_parent = true;
// Classify the unicode characters appearing in math insets
BufferEncodings::initUnicodeMath(*this);
// validate the buffer.
LYXERR(Debug::OUTFILE, " Validating buffer...");
LaTeXFeatures features(*this, params(), runparams);
validate(features);
// This is only set once per document (in master)
if (!runparams.is_child) {
runparams.use_polyglossia = features.usePolyglossia();
runparams.use_hyperref = features.isRequired("hyperref");
runparams.use_CJK = features.mustProvide("CJK");
}
LYXERR(Debug::OUTFILE, " Buffer validation done.");
bool const output_preamble =
output == FullSource || output == OnlyPreamble;
bool const output_body =
output == FullSource || output == OnlyBody;
// The starting paragraph of the coming rows is the
// first paragraph of the document. (Asger)
if (output_preamble && runparams.nice) {
os << "%% LyX " << lyx_version << " created this file. "
"For more info, see https://www.lyx.org/.\n"
"%% Do not edit unless you really know what "
"you are doing.\n";
}
LYXERR(Debug::INFO, "lyx document header finished");
// There are a few differences between nice LaTeX and usual files:
// usual files have \batchmode and special input@path to allow
// inclusion of figures specified by an explicitly relative path
// (i.e., a path starting with './' or '../') with either \input or
// \includegraphics, as the TEXINPUTS method doesn't work in this case.
// input@path is set when the actual parameter original_path is set.
// This is done for usual tex-file, but not for nice-latex-file.
// (Matthias 250696)
// Note that input@path is only needed for something the user does
// in the preamble, included .tex files or ERT, files included by
// LyX work without it.
if (output_preamble) {
if (!runparams.nice) {
// code for usual, NOT nice-latex-file
os << "\\batchmode\n"; // changed from \nonstopmode
}
if (!original_path.empty()) {
// FIXME UNICODE
// We don't know the encoding of inputpath
docstring const inputpath = from_utf8(original_path);
docstring uncodable_glyphs;
Encoding const * const enc = runparams.encoding;
if (enc) {
for (char_type n : inputpath) {
if (!enc->encodable(n)) {
docstring const glyph(1, n);
LYXERR0("Uncodable character '"
<< glyph
<< "' in input path!");
uncodable_glyphs += glyph;
}
}
}
// warn user if we found uncodable glyphs.
if (!uncodable_glyphs.empty()) {
frontend::Alert::warning(
_("Uncodable character in file path"),
bformat(
_("The path of your document\n"
"(%1$s)\n"
"contains glyphs that are unknown "
"in the current document encoding "
"(namely %2$s). This may result in "
"incomplete output, unless "
"TEXINPUTS contains the document "
"directory and you don't use "
"explicitly relative paths (i.e., "
"paths starting with './' or "
"'../') in the preamble or in ERT."
"\n\nIn case of problems, choose "
"an appropriate document encoding\n"
"(such as utf8) or change the "
"file path name."),
inputpath, uncodable_glyphs));
} else {
string docdir = os::latex_path(original_path);
if (contains(docdir, '#')) {
docdir = subst(docdir, "#", "\\#");
os << "\\catcode`\\#=11"
"\\def\\#{#}\\catcode`\\#=6\n";
}
if (contains(docdir, '%')) {
docdir = subst(docdir, "%", "\\%");
os << "\\catcode`\\%=11"
"\\def\\%{%}\\catcode`\\%=14\n";
}
if (contains(docdir, '~'))
docdir = subst(docdir, "~", "\\string~");
bool const nonascii = !isAscii(from_utf8(docdir));
// LaTeX 2019/10/01 handles non-ascii path without detokenize
bool const utfpathlatex = features.isAvailableAtLeastFrom("LaTeX", 2019, 10);
bool const detokenize = !utfpathlatex && nonascii;
bool const quote = contains(docdir, ' ');
if (utfpathlatex && nonascii)
os << "\\UseRawInputEncoding\n";
os << "\\makeatletter\n"
<< "\\def\\input@path{{";
if (detokenize)
os << "\\detokenize{";
if (quote)
os << "\"";
os << docdir;
if (quote)
os << "\"";
if (detokenize)
os << "}";
os << "}}\n"
<< "\\makeatother\n";
}
}
// get parent macros (if this buffer has a parent) which will be
// written at the document begin further down.
MacroSet parentMacros;
listParentMacros(parentMacros, features);
// Write the preamble
runparams.use_babel = params().writeLaTeX(os, features,
d->filename.onlyPath());
// Active characters
runparams.active_chars = features.getActiveChars();
// Biblatex bibliographies are loaded here
if (params().useBiblatex()) {
vector<pair<docstring, string>> const bibfiles =
prepareBibFilePaths(runparams, getBibfiles(), true);
for (pair<docstring, string> const & file: bibfiles) {
os << "\\addbibresource";
if (!file.second.empty())
os << "[bibencoding=" << file.second << "]";
os << "{" << file.first << "}\n";
}
}
if (!runparams.dryrun && features.hasPolyglossiaExclusiveLanguages()
&& !features.hasOnlyPolyglossiaLanguages()) {
docstring blangs;
docstring plangs;
vector<string> bll = features.getBabelExclusiveLanguages();
vector<string> pll = features.getPolyglossiaExclusiveLanguages();
if (!bll.empty()) {
docstring langs;
for (string const & sit : bll) {
if (!langs.empty())
langs += ", ";
langs += _(sit);
}
blangs = bll.size() > 1 ?
bformat(_("The languages %1$s are only supported by Babel."), langs)
: bformat(_("The language %1$s is only supported by Babel."), langs);
}
if (!pll.empty()) {
docstring langs;
for (string const & pit : pll) {
if (!langs.empty())
langs += ", ";
langs += _(pit);
}
plangs = pll.size() > 1 ?
bformat(_("The languages %1$s are only supported by Polyglossia."), langs)
: bformat(_("The language %1$s is only supported by Polyglossia."), langs);
if (!blangs.empty())
plangs += "\n";
}
frontend::Alert::warning(
_("Incompatible Languages!"),
bformat(
_("You cannot use the following languages "
"together in one LaTeX document because "
"they require conflicting language packages:\n"
"%1$s%2$s"),
plangs, blangs));
}
// Japanese might be required only in some children of a document,
// but once required, we must keep use_japanese true.
runparams.use_japanese |= features.isRequired("japanese");
if (!output_body) {
// Restore the parenthood if needed
if (!runparams.is_child)
d->ignore_parent = false;
return ExportSuccess;
}
// make the body.
// mark the beginning of the body to separate it from InPreamble insets
os.texrow().start(TexRow::beginDocument());
os << "\\begin{document}\n";
// mark the start of a new paragraph by simulating a newline,
// so that os.afterParbreak() returns true at document start
os.lastChar('\n');
// output the parent macros
for (auto const & mac : parentMacros) {
int num_lines = mac->write(os.os(), true);
os.texrow().newlines(num_lines);
}
} // output_preamble
LYXERR(Debug::INFO, "preamble finished, now the body.");
// the real stuff
try {
latexParagraphs(*this, text(), os, runparams);
}
catch (ConversionException const &) { return ExportKilled; }
// Restore the parenthood if needed
if (!runparams.is_child)
d->ignore_parent = false;
// add this just in case after all the paragraphs
os << endl;
if (output_preamble) {
os << "\\end{document}\n";
LYXERR(Debug::OUTFILE, "makeLaTeXFile...done");
} else {
LYXERR(Debug::OUTFILE, "LaTeXFile for inclusion made.");
}
runparams_in.encoding = runparams.encoding;
LYXERR(Debug::INFO, "Finished making LaTeX file.");
LYXERR(Debug::INFO, "Row count was " << os.texrow().rows() - 1 << '.');
return ExportSuccess;
}
Buffer::ExportStatus Buffer::makeDocBookFile(FileName const & fname,
OutputParams const & runparams,
OutputWhat output) const
{
LYXERR(Debug::OUTFILE, "makeDocBookFile...");
ofdocstream ofs;
if (!openFileWrite(ofs, fname))
return ExportError;
// make sure we are ready to export
// this needs to be done before we validate
updateBuffer();
updateMacroInstances(OutputUpdate);
ExportStatus const retval = writeDocBookSource(ofs, runparams, output);
if (retval == ExportKilled)
return ExportKilled;
ofs.close();
if (ofs.fail())
lyxerr << "File '" << fname << "' was not closed properly." << endl;
return ExportSuccess;
}
Buffer::ExportStatus Buffer::writeDocBookSource(odocstream & os,
OutputParams const & runparams,
OutputWhat output) const
{
LaTeXFeatures features(*this, params(), runparams);
validate(features);
d->bibinfo_.makeCitationLabels(*this);
d->texrow.reset();
DocumentClass const & tclass = params().documentClass();
bool const output_preamble =
output == FullSource || output == OnlyPreamble;
bool const output_body =
output == FullSource || output == OnlyBody || output == IncludedFile;
if (output_preamble) {
// XML preamble, no doctype needed.
// Not using XMLStream for this, as the root tag would be in the tag stack and make troubles with the error
// detection mechanisms (these are called before the end tag is output, and thus interact with the canary
// parsep in output_docbook.cpp).
os << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
<< "<!-- This DocBook file was created by LyX " << lyx_version
<< "\n See https://www.lyx.org/ for more information -->\n";
// Prepare the name space declaration for MathML depending on document preferences.
string mathmlNamespace;
if (params().docbook_mathml_prefix != BufferParams::NoPrefix) {
string mathmlPrefix;
if (params().docbook_mathml_prefix == BufferParams::MPrefix)
mathmlPrefix = "m";
else if (params().docbook_mathml_prefix == BufferParams::MMLPrefix)
mathmlPrefix = "mml";
mathmlNamespace = + " xmlns:" + mathmlPrefix + "=\"http://www.w3.org/1998/Math/MathML\"";
}
// XML-compatible language code: in lib/languages, language codes are
// given as dictionary file names; HTML5 expects to follow BCP47. This
// function implements a simple heuristic that does the conversion.
std::string htmlCode = params().language->code();
std::replace(htmlCode.begin(), htmlCode.end(), '_', '-');
// Directly output the root tag, based on the current type of document.
string attributes = "xml:lang=\"" + htmlCode + '"'
+ " xmlns=\"http://docbook.org/ns/docbook\""
+ " xmlns:xlink=\"http://www.w3.org/1999/xlink\""
+ mathmlNamespace
+ " xmlns:xi=\"http://www.w3.org/2001/XInclude\""
+ " version=\"5.2\"";
// Version 5.2 is required for formalgroup.
os << "<" << from_ascii(tclass.docbookroot()) << " " << from_ascii(attributes) << ">\n";
}
if (output_body) {
// Start to output the document.
XMLStream xs(os);
docbookParagraphs(text(), *this, xs, runparams);
}
if (output_preamble) {
// Close the root element. No need for a line break, as free text is never allowed
// in a root element, it must always be wrapped in some container.
os << "</" << from_ascii(tclass.docbookroot()) << ">";
}
return ExportSuccess;
}
Buffer::ExportStatus Buffer::makeLyXHTMLFile(FileName const & fname,
OutputParams const & runparams) const
{
LYXERR(Debug::OUTFILE, "makeLyXHTMLFile...");
ofdocstream ofs;
if (!openFileWrite(ofs, fname))
return ExportError;
// make sure we are ready to export
// this has to be done before we validate
updateBuffer(UpdateMaster, OutputUpdate);
updateMacroInstances(OutputUpdate);
ExportStatus const retval = writeLyXHTMLSource(ofs, runparams, FullSource);
if (retval == ExportKilled)
return retval;
ofs.close();
if (ofs.fail())
lyxerr << "File '" << fname << "' was not closed properly." << endl;
return retval;
}
Buffer::ExportStatus Buffer::writeLyXHTMLSource(odocstream & os,
OutputParams const & runparams,
OutputWhat output) const
{
LaTeXFeatures features(*this, params(), runparams);
validate(features);
d->bibinfo_.makeCitationLabels(*this);
bool const output_preamble =
output == FullSource || output == OnlyPreamble;
bool const output_body =
output == FullSource || output == OnlyBody || output == IncludedFile;
if (output_preamble) {
// HTML5-compatible language code: in lib/languages, language codes are
// given as dictionary file names; HTML5 expects to follow BCP47. This
// function implements a simple heuristic that does the conversion.
std::string htmlCode = params().language->code();
std::replace(htmlCode.begin(), htmlCode.end(), '_', '-');
os << "<!DOCTYPE html>\n"
<< "<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"" << from_ascii(htmlCode) << "\">\n"
<< "<head>\n"
<< "<meta name=\"generator\" content=\"" << PACKAGE_STRING << "\" />\n";
docstring const & doctitle = features.htmlTitle();
os << "<title>"
<< (doctitle.empty() ?
from_ascii("LyX Document") :
xml::escapeString(doctitle, XMLStream::ESCAPE_ALL))
<< "</title>\n";
docstring styles = features.getTClassHTMLPreamble();
if (!styles.empty())
os << "\n<!-- Text Class Preamble -->\n" << styles << '\n';
// we will collect CSS information in a stream, and then output it
// either here, as part of the header, or else in a separate file.
odocstringstream css;
styles = features.getCSSSnippets();
if (!styles.empty())
css << "/* LyX Provided Styles */\n" << styles << '\n';
styles = features.getTClassHTMLStyles();
if (!styles.empty())
css << "/* Layout-provided Styles */\n" << styles << '\n';
bool const needfg = params().fontcolor != RGBColor(0, 0, 0);
bool const needbg = params().backgroundcolor != RGBColor(0xFF, 0xFF, 0xFF);
if (needfg || needbg) {
css << "\nbody {\n";
if (needfg)
css << " color: "
<< from_ascii(X11hexname(params().fontcolor))
<< ";\n";
if (needbg)
css << " background-color: "
<< from_ascii(X11hexname(params().backgroundcolor))
<< ";\n";
css << "}\n";
}
docstring const dstyles = css.str();
if (!dstyles.empty()) {
bool written = false;
if (params().html_css_as_file) {
// open a file for CSS info
ofdocstream ocss;
string const fcssname = addName(temppath(), "docstyle.css");
FileName const fcssfile = FileName(fcssname);
if (openFileWrite(ocss, fcssfile)) {
ocss << dstyles;
ocss.close();
written = true;
// write link to header
os << "<link rel='stylesheet' href='docstyle.css' type='text/css' />\n";
// register file
runparams.exportdata->addExternalFile("xhtml", fcssfile);
}
}
// we are here if the CSS is supposed to be written to the header
// or if we failed to write it to an external file.
if (!written) {
os << "<style>\n"
<< dstyles
<< "\n</style>\n";
}
}
os << "</head>\n";
}
if (output_body) {
bool const output_body_tag = (output != IncludedFile);
if (output_body_tag)
os << "<body dir=\"auto\">\n";
XMLStream xs(os);
if (output != IncludedFile)
// if we're an included file, the counters are in the master.
params().documentClass().counters().reset();
try {
xhtmlParagraphs(text(), *this, xs, runparams);
}
catch (ConversionException const &) { return ExportKilled; }
if (output_body_tag)
os << "</body>\n";
}
if (output_preamble)
os << "</html>\n";
return ExportSuccess;
}
// chktex should be run with these flags disabled: 3, 22, 25, 30, 38(?)
// Other flags: -wall -v0 -x
int Buffer::runChktex()
{
setBusy(true);
// get LaTeX-Filename
FileName const path(temppath());
string const name = addName(path.absFileName(), latexName());
string const org_path = filePath();
PathChanger p(path); // path to LaTeX file
message(_("Running chktex..."));
// Generate the LaTeX file if neccessary
OutputParams runparams(&params().encoding());
runparams.flavor = Flavor::LaTeX;
runparams.nice = false;
runparams.linelen = lyxrc.plaintext_linelen;
ExportStatus const retval =
makeLaTeXFile(FileName(name), org_path, runparams);
if (retval != ExportSuccess) {
// error code on failure
return -1;
}
TeXErrors terr;
Chktex chktex(lyxrc.chktex_command, onlyFileName(name), filePath());
int const res = chktex.run(terr); // run chktex
if (res == -1) {
Alert::error(_("chktex failure"),
_("Could not run chktex successfully."));
} else {
ErrorList & errlist = d->errorLists["ChkTeX"];
errlist.clear();
bufferErrors(terr, errlist);
}
setBusy(false);
if (runparams.silent)
d->errorLists["ChkTeX"].clear();
else
errors("ChkTeX");
return res;
}
void Buffer::validate(LaTeXFeatures & features) const
{
// Validate the buffer params, but not for included
// files, since they also use the parent buffer's
// params (# 5941)
if (!features.runparams().is_child)
params().validate(features);
if (!parent())
clearIncludeList();
for (Paragraph const & p : paragraphs())
p.validate(features);
if (lyxerr.debugging(Debug::OUTFILE)) {
features.showStruct();
}
}
void Buffer::getLabelList(vector<std::tuple<docstring, docstring, docstring>> & list) const
{
// If this is a child document, use the master's list instead.
if (parent()) {
masterBuffer()->getLabelList(list);
return;
}
list.clear();
shared_ptr<Toc> toc = d->toc_backend.toc("label");
for (auto const & tocit : *toc) {
if (tocit.depth() == 0) {
list.push_back(make_tuple(tocit.str(), tocit.asString(), tocit.prettyStr()));
}
}
}
void Buffer::invalidateBibinfoCache() const
{
d->bibinfo_cache_valid_ = false;
d->cite_labels_valid_ = false;
scheduleBiblioTempRemoval();
// also invalidate the cache for the parent buffer
Buffer const * const pbuf = d->parent();
if (pbuf)
pbuf->invalidateBibinfoCache();
}
docstring_list const & Buffer::getBibfiles(UpdateScope scope) const
{
// FIXME This is probably unnecessary, given where we call this.
// If this is a child document, use the master instead.
Buffer const * const pbuf = masterBuffer();
if (pbuf != this && scope != UpdateChildOnly)
return pbuf->getBibfiles();
// In 2.3.x, we have:
//if (!d->bibfile_cache_valid_)
// this->updateBibfilesCache(scope);
// I think that is a leftover, but there have been so many back-
// and-forths with this, due to Windows issues, that I am not sure.
return d->bibfiles_cache_;
}
BiblioInfo const & Buffer::masterBibInfo() const
{
Buffer const * const tmp = masterBuffer();
if (tmp != this)
return tmp->masterBibInfo();
return d->bibinfo_;
}
BiblioInfo const & Buffer::bibInfo() const
{
return d->bibinfo_;
}
void Buffer::registerBibfiles(const docstring_list & bf) const
{
// We register the bib files in the master buffer,
// if there is one, but also in every single buffer,
// in case a child is compiled alone.
Buffer const * const tmp = masterBuffer();
if (tmp != this)
tmp->registerBibfiles(bf);
for (auto const & p : bf) {
docstring_list::const_iterator temp =
find(d->bibfiles_cache_.begin(), d->bibfiles_cache_.end(), p);
if (temp == d->bibfiles_cache_.end())
d->bibfiles_cache_.push_back(p);
}
}
static map<docstring, FileName> bibfileCache;
FileName Buffer::getBibfilePath(docstring const & bibid) const
{
map<docstring, FileName>::const_iterator it =
bibfileCache.find(bibid);
if (it != bibfileCache.end()) {
// i.e., return bibfileCache[bibid];
return it->second;
}
LYXERR(Debug::FILES, "Reading file location for " << bibid);
string const texfile = changeExtension(to_utf8(bibid), "bib");
// we need to check first if this file exists where it's said to be.
// there's a weird bug that occurs otherwise: if the file is in the
// Buffer's directory but has the same name as some file that would be
// found by kpsewhich, then we find the latter, not the former.
FileName const local_file = makeAbsPath(texfile, filePath());
FileName file = local_file;
if (!file.exists()) {
// there's no need now to check whether the file can be found
// locally
file = findtexfile(texfile, "bib", true);
if (file.empty())
file = local_file;
}
LYXERR(Debug::FILES, "Found at: " << file);
bibfileCache[bibid] = file;
return bibfileCache[bibid];
}
void Buffer::checkIfBibInfoCacheIsValid() const
{
// use the master's cache
Buffer const * const tmp = masterBuffer();
if (tmp != this) {
tmp->checkIfBibInfoCacheIsValid();
return;
}
// If we already know the cache is invalid, stop here.
// This is important in the case when the bibliography
// environment (rather than Bib[la]TeX) is used.
// In that case, the timestamp check below gives no
// sensible result. Rather than that, the cache will
// be invalidated explicitly via invalidateBibInfoCache()
// by the Bibitem inset.
// Same applies for bib encoding changes, which trigger
// invalidateBibInfoCache() by InsetBibtex.
if (!d->bibinfo_cache_valid_)
return;
if (d->have_bibitems_) {
// We have a bibliography environment.
// Invalidate the bibinfo cache unconditionally.
// Cite labels will get invalidated by the inset if needed.
d->bibinfo_cache_valid_ = false;
return;
}
// OK. This is with Bib(la)tex. We'll assume the cache
// is valid and change this if we find changes in the bibs.
d->bibinfo_cache_valid_ = true;
d->cite_labels_valid_ = true;
// compare the cached timestamps with the actual ones.
docstring_list const & bibfiles_cache = getBibfiles();
for (auto const & bf : bibfiles_cache) {
FileName const fn = getBibfilePath(bf);
time_t lastw = fn.lastModified();
time_t prevw = d->bibfile_status_[fn];
if (lastw != prevw) {
d->bibinfo_cache_valid_ = false;
d->cite_labels_valid_ = false;
d->bibfile_status_[fn] = lastw;
}
}
}
void Buffer::clearBibFileCache() const
{
bibfileCache.clear();
}
void Buffer::reloadBibInfoCache(bool const force) const
{
// we should not need to do this for internal buffers
if (isInternal())
return;
// use the master's cache
Buffer const * const tmp = masterBuffer();
if (tmp != this) {
tmp->reloadBibInfoCache(force);
return;
}
if (!force) {
checkIfBibInfoCacheIsValid();
if (d->bibinfo_cache_valid_)
return;
}
LYXERR(Debug::FILES, "Bibinfo cache was invalid.");
// re-read file locations when this info changes
// FIXME Is this sufficient? Or should we also force that
// in some other cases? If so, then it is easy enough to
// add the following line in some other places.
clearBibFileCache();
d->bibinfo_.clear();
FileNameList checkedFiles;
d->have_bibitems_ = false;
collectBibKeys(checkedFiles);
d->bibinfo_cache_valid_ = true;
}
void Buffer::collectBibKeys(FileNameList & checkedFiles) const
{
if (!parent())
clearIncludeList();
for (InsetIterator it = begin(inset()); it; ++it) {
it->collectBibKeys(it, checkedFiles);
if (it->lyxCode() == BIBITEM_CODE) {
if (parent() != nullptr)
parent()->d->have_bibitems_ = true;
else
d->have_bibitems_ = true;
}
}
}
void Buffer::addBiblioInfo(BiblioInfo const & bi_in) const
{
// We add the biblio info to the parent buffer,
// if there is one, but also to this buffer, in case
// it is compiled alone.
BiblioInfo & our_bi = d->bibinfo_;
our_bi.mergeBiblioInfo(bi_in);
if (parent())
parent()->addBiblioInfo(bi_in);
}
void Buffer::addBibTeXInfo(docstring const & key, BibTeXInfo const & bin) const
{
// We add the bibtex info to the master buffer,
// if there is one, but also to every single buffer,
// in case a child is compiled alone.
BiblioInfo & bi = d->bibinfo_;
bi[key] = bin;
if (parent() != nullptr) {
BiblioInfo & masterbi = masterBuffer()->d->bibinfo_;
masterbi[key] = bin;
}
}
void Buffer::makeCitationLabels() const
{
Buffer const * const master = masterBuffer();
return d->bibinfo_.makeCitationLabels(*master);
}
void Buffer::invalidateCiteLabels() const
{
masterBuffer()->d->cite_labels_valid_ = false;
}
bool Buffer::citeLabelsValid() const
{
return masterBuffer()->d->cite_labels_valid_;
}
void Buffer::removeBiblioTempFiles() const
{
// We remove files that contain LaTeX commands specific to the
// particular bibliographic style being used, in order to avoid
// LaTeX errors when we switch style.
FileName const aux_file(addName(temppath(), changeExtension(latexName(),".aux")));
FileName const bbl_file(addName(temppath(), changeExtension(latexName(),".bbl")));
LYXERR(Debug::FILES, "Removing the .aux file " << aux_file);
aux_file.removeFile();
LYXERR(Debug::FILES, "Removing the .bbl file " << bbl_file);
bbl_file.removeFile();
// Also for the parent buffer
Buffer const * const pbuf = parent();
if (pbuf)
pbuf->removeBiblioTempFiles();
removeBiblioTemps = false;
}
bool Buffer::isDepClean(string const & name) const
{
DepClean::const_iterator const it = d->dep_clean.find(name);
if (it == d->dep_clean.end())
return true;
return it->second;
}
void Buffer::markDepClean(string const & name)
{
d->dep_clean[name] = true;
}
bool Buffer::branchActivationEnabled(FuncCode act, docstring const & branch) const
{
bool const master = act == LFUN_BRANCH_MASTER_ACTIVATE
|| act == LFUN_BRANCH_MASTER_DEACTIVATE;
bool const activate = act == LFUN_BRANCH_ACTIVATE
|| act == LFUN_BRANCH_MASTER_ACTIVATE;
Buffer const * buf = master ? masterBuffer() : this;
Branch const * our_branch = buf->params().branchlist().find(branch);
// Can be disabled if
// - this is a _MASTER_ command and there is no master
// - the relevant buffer does not know the branch
// - the branch is already in the desired state
return ((!master || parent() != nullptr)
&& !branch.empty() && our_branch
&& our_branch->isSelected() != activate);
}
bool Buffer::getStatus(FuncRequest const & cmd, FuncStatus & flag) const
{
if (isInternal()) {
// FIXME? if there is an Buffer LFUN that can be dispatched even
// if internal, put a switch '(cmd.action)' here.
return false;
}
bool enable = true;
switch (cmd.action()) {
case LFUN_BUFFER_TOGGLE_READ_ONLY:
flag.setOnOff(hasReadonlyFlag());
break;
// FIXME: There is need for a command-line import.
//case LFUN_BUFFER_IMPORT:
case LFUN_BUFFER_AUTO_SAVE:
break;
case LFUN_BUFFER_EXPORT_CUSTOM:
// FIXME: Nothing to check here?
break;
case LFUN_BUFFER_EXPORT: {
docstring const & arg = cmd.argument();
if (arg == "custom") {
enable = true;
break;
}
string format = (arg.empty() || arg == "default") ?
params().getDefaultOutputFormat() : to_utf8(arg);
size_t pos = format.find(' ');
if (pos != string::npos)
format = format.substr(0, pos);
enable = params().isExportable(format, false);
if (!enable)
flag.message(bformat(
_("Don't know how to export to format: %1$s"), arg));
break;
}
case LFUN_BUILD_PROGRAM:
enable = params().isExportable("program", false);
break;
case LFUN_BRANCH_ACTIVATE:
case LFUN_BRANCH_DEACTIVATE:
case LFUN_BRANCH_MASTER_ACTIVATE:
case LFUN_BRANCH_MASTER_DEACTIVATE:
// Let a branch inset handle that
if (cmd.argument().empty())
return false;
flag.setEnabled(branchActivationEnabled(cmd.action(), cmd.argument()));
break;
case LFUN_BRANCH_ADD:
case LFUN_BRANCHES_RENAME:
// if no Buffer is present, then of course we won't be called!
break;
case LFUN_BUFFER_LANGUAGE:
enable = !isReadonly();
break;
case LFUN_BUFFER_VIEW_CACHE:
(d->preview_file_).refresh();
enable = (d->preview_file_).exists() && !(d->preview_file_).isFileEmpty();
break;
case LFUN_CHANGES_TRACK:
flag.setEnabled(true);
flag.setOnOff(params().track_changes);
break;
case LFUN_CHANGES_OUTPUT:
flag.setEnabled(true);
flag.setOnOff(params().output_changes);
break;
case LFUN_BUFFER_TOGGLE_COMPRESSION:
flag.setOnOff(params().compressed);
break;
case LFUN_BUFFER_TOGGLE_OUTPUT_SYNC:
flag.setOnOff(params().output_sync);
break;
case LFUN_BUFFER_ANONYMIZE:
break;
default:
return false;
}
flag.setEnabled(enable);
return true;
}
bool Buffer::branchActivationDispatch(FuncCode act, docstring const & branch)
{
bool const master = (act == LFUN_BRANCH_MASTER_ACTIVATE
|| act == LFUN_BRANCH_MASTER_DEACTIVATE);
bool const activate = (act == LFUN_BRANCH_ACTIVATE
|| act == LFUN_BRANCH_MASTER_ACTIVATE);
Buffer * buf = master ? const_cast<Buffer *>(masterBuffer()) : this;
Branch * our_branch = buf->params().branchlist().find(branch);
// See comment in branchActivationStatus
if ((master && parent() == nullptr)
|| !our_branch
|| our_branch->isSelected() == activate)
return false;
if (master && !buf->hasGuiDelegate()
&& (!theApp() || !theApp()->unhide(buf)))
// at least issue a warning for now (ugly, but better than dataloss).
frontend::Alert::warning(_("Branch state changes in master document"),
lyx::support::bformat(_("The state of the branch '%1$s' "
"was changed in the master file. "
"Please make sure to save the master."), branch), true);
UndoGroupHelper ugh(buf);
buf->undo().recordUndoBufferParams(CursorData());
our_branch->setSelected(activate);
// cur.forceBufferUpdate() is not enough)
buf->updateBuffer();
// if branch exists in a descendant, update previews.
// TODO: only needed if "Show preview" is enabled in the included inset.
bool exists_in_desc = false;
for (auto const & it : buf->getDescendants()) {
if (it->params().branchlist().find(branch))
exists_in_desc = true;
}
if (exists_in_desc) {
// TODO: ideally we would only update the previews of the
// specific children that have this branch directly or
// in one of their descendants
buf->removePreviews();
buf->updatePreviews();
}
return true;
}
void Buffer::dispatch(string const & command, DispatchResult & result)
{
return dispatch(lyxaction.lookupFunc(command), result);
}
// NOTE We can end up here even if we have no GUI, because we are called
// by LyX::exec to handled command-line requests. So we may need to check
// whether we have a GUI or not. The boolean use_gui holds this information.
void Buffer::dispatch(FuncRequest const & func, DispatchResult & dr)
{
LYXERR(Debug::ACTION, "Buffer::dispatch: cmd: " << func);
if (isInternal()) {
// FIXME? if there is an Buffer LFUN that can be dispatched even
// if internal, put a switch '(cmd.action())' here.
dr.dispatched(false);
return;
}
string const argument = to_utf8(func.argument());
// We'll set this back to false if need be.
bool dispatched = true;
// This handles undo groups automagically
UndoGroupHelper ugh(this);
switch (func.action()) {
case LFUN_BUFFER_TOGGLE_READ_ONLY:
if (lyxvc().inUse()) {
string log = lyxvc().toggleReadOnly();
if (!log.empty())
dr.setMessage(log);
}
else
setReadonly(!hasReadonlyFlag());
break;
case LFUN_BUFFER_EXPORT: {
string const format = (argument.empty() || argument == "default") ?
params().getDefaultOutputFormat() : argument;
ExportStatus const status = doExport(format, false);
dr.setError(status != ExportSuccess);
if (status != ExportSuccess)
dr.setMessage(bformat(_("Error exporting to format: %1$s."),
from_utf8(format)));
break;
}
case LFUN_BUILD_PROGRAM: {
ExportStatus const status = doExport("program", true);
dr.setError(status != ExportSuccess);
if (status != ExportSuccess)
dr.setMessage(_("Error generating literate programming code."));
break;
}
case LFUN_BUFFER_EXPORT_CUSTOM: {
string format_name;
string command = split(argument, format_name, ' ');
Format const * format = theFormats().getFormat(format_name);
if (!format) {
lyxerr << "Format \"" << format_name
<< "\" not recognized!"
<< endl;
break;
}
// The name of the file created by the conversion process
string filename;
// Output to filename
if (format->name() == "lyx") {
string const latexname = latexName(false);
filename = changeExtension(latexname,
format->extension());
filename = addName(temppath(), filename);
if (!writeFile(FileName(filename)))
break;
} else {
doExport(format_name, true, filename);
}
// Substitute $$FName for filename
if (!contains(command, "$$FName"))
command = "( " + command + " ) < $$FName";
command = subst(command, "$$FName", filename);
// Execute the command in the background
Systemcall call;
call.startscript(Systemcall::DontWait, command,
filePath(), layoutPos());
break;
}
// FIXME: There is need for a command-line import.
/*
case LFUN_BUFFER_IMPORT:
doImport(argument);
break;
*/
case LFUN_BUFFER_AUTO_SAVE:
autoSave();
resetAutosaveTimers();
break;
case LFUN_BRANCH_ACTIVATE:
case LFUN_BRANCH_DEACTIVATE:
case LFUN_BRANCH_MASTER_ACTIVATE:
case LFUN_BRANCH_MASTER_DEACTIVATE: {
// Let a branch inset handle that
if (func.argument().empty()) {
dr.dispatched(false);
return;
}
bool const res = branchActivationDispatch(func.action(), func.argument());
dr.setError(!res);
if (res)
dr.screenUpdate(Update::Force);
break;
}
case LFUN_BRANCH_ADD: {
docstring const & branchnames = func.argument();
if (branchnames.empty()) {
dispatched = false;
break;
}
BranchList & branch_list = params().branchlist();
vector<docstring> const branches =
getVectorFromString(branchnames, branch_list.separator());
docstring msg;
for (docstring const & branch_name : branches) {
Branch * branch = branch_list.find(branch_name);
if (branch) {
LYXERR0("Branch " << branch_name << " already exists.");
dr.setError(true);
if (!msg.empty())
msg += ("\n");
msg += bformat(_("Branch \"%1$s\" already exists."), branch_name);
} else {
undo().recordUndoBufferParams(CursorData());
branch_list.add(branch_name);
branch = branch_list.find(branch_name);
if (branch)
// needed to update the color table for dark mode
branch->setColors("background", "background");
dr.setError(false);
dr.screenUpdate(Update::Force);
}
}
if (!msg.empty())
dr.setMessage(msg);
break;
}
case LFUN_BRANCHES_RENAME: {
if (func.argument().empty())
break;
docstring const oldname = from_utf8(func.getArg(0));
docstring const newname = from_utf8(func.getArg(1));
InsetIterator it = begin(inset());
InsetIterator const itend = end(inset());
bool success = false;
for (; it != itend; ++it) {
if (it->lyxCode() == BRANCH_CODE) {
InsetBranch & ins = static_cast<InsetBranch &>(*it);
if (ins.branch() == oldname) {
undo().recordUndo(CursorData(it));
ins.rename(newname);
success = true;
continue;
}
}
if (it->lyxCode() == INCLUDE_CODE) {
// get buffer of external file
InsetInclude const & ins =
static_cast<InsetInclude const &>(*it);
Buffer * child = ins.loadIfNeeded();
if (!child)
continue;
child->dispatch(func, dr);
}
}
if (success) {
dr.screenUpdate(Update::Force);
dr.forceBufferUpdate();
}
break;
}
case LFUN_BUFFER_VIEW_CACHE:
if (!theFormats().view(*this, d->preview_file_,
d->preview_format_))
dr.setMessage(_("Error viewing the output file."));
break;
case LFUN_CHANGES_TRACK:
if (params().save_transient_properties)
undo().recordUndoBufferParams(CursorData());
params().track_changes = !params().track_changes;
break;
case LFUN_CHANGES_OUTPUT:
if (params().save_transient_properties)
undo().recordUndoBufferParams(CursorData());
params().output_changes = !params().output_changes;
if (params().output_changes) {
bool xcolorulem = LaTeXFeatures::isAvailable("ulem") &&
LaTeXFeatures::isAvailable("xcolor");
if (!xcolorulem) {
Alert::warning(_("Changes not shown in LaTeX output"),
_("Changes will not be highlighted in LaTeX output, "
"because xcolor and ulem are not installed.\n"
"Please install both packages or redefine "
"\\lyxadded and \\lyxdeleted in the LaTeX preamble."));
}
}
break;
case LFUN_BUFFER_TOGGLE_COMPRESSION:
// turn compression on/off
undo().recordUndoBufferParams(CursorData());
params().compressed = !params().compressed;
break;
case LFUN_BUFFER_TOGGLE_OUTPUT_SYNC:
undo().recordUndoBufferParams(CursorData());
params().output_sync = !params().output_sync;
break;
case LFUN_BUFFER_ANONYMIZE: {
undo().recordUndoFullBuffer(CursorData());
CursorData cur(doc_iterator_begin(this));
for ( ; cur ; cur.forwardPar())
cur.paragraph().anonymize();
dr.forceBufferUpdate();
dr.screenUpdate(Update::Force);
break;
}
default:
dispatched = false;
break;
}
dr.dispatched(dispatched);
}
void Buffer::changeLanguage(Language const * from, Language const * to)
{
LASSERT(from, return);
LASSERT(to, return);
ParIterator it = par_iterator_begin();
ParIterator eit = par_iterator_end();
for (; it != eit; ++it)
it->changeLanguage(params(), from, to);
}
bool Buffer::isMultiLingual() const
{
ParConstIterator end = par_iterator_end();
for (ParConstIterator it = par_iterator_begin(); it != end; ++it)
if (it->isMultiLingual(params()))
return true;
return false;
}
std::set<Language const *> Buffer::getLanguages() const
{
std::set<Language const *> langs;
getLanguages(langs);
return langs;
}
void Buffer::getLanguages(std::set<Language const *> & langs) const
{
ParConstIterator end = par_iterator_end();
// add the buffer language, even if it's not actively used
langs.insert(language());
// iterate over the paragraphs
for (ParConstIterator it = par_iterator_begin(); it != end; ++it)
it->getLanguages(langs);
// also children
ListOfBuffers clist = getDescendants();
for (auto const & cit : clist)
cit->getLanguages(langs);
}
DocIterator Buffer::getParFromID(int const id) const
{
Buffer * buf = const_cast<Buffer *>(this);
if (id < 0)
// This means non-existent
return doc_iterator_end(buf);
for (DocIterator it = doc_iterator_begin(buf); !it.atEnd(); it.forwardPar())
if (it.paragraph().id() == id)
return it;
return doc_iterator_end(buf);
}
bool Buffer::hasParWithID(int const id) const
{
return !getParFromID(id).atEnd();
}
ParIterator Buffer::par_iterator_begin()
{
return ParIterator(doc_iterator_begin(this));
}
ParIterator Buffer::par_iterator_end()
{
return ParIterator(doc_iterator_end(this));
}
ParConstIterator Buffer::par_iterator_begin() const
{
return ParConstIterator(doc_iterator_begin(this));
}
ParConstIterator Buffer::par_iterator_end() const
{
return ParConstIterator(doc_iterator_end(this));
}
bool Buffer::empty() const
{
return paragraphs().size() == 1 && paragraphs().front().empty();
}
Language const * Buffer::language() const
{
return params().language;
}
docstring Buffer::B_(string const & l10n) const
{
return params().B_(l10n);
}
bool Buffer::isClean() const
{
return d->lyx_clean;
}
bool Buffer::isChecksumModified() const
{
LASSERT(d->filename.exists(), return false);
return d->checksum_ != d->filename.checksum();
}
void Buffer::saveCheckSum() const
{
FileName const & file = d->filename;
file.refresh();
d->checksum_ = file.exists() ? file.checksum()
: 0; // in the case of save to a new file.
}
void Buffer::markClean() const
{
if (!d->lyx_clean) {
d->lyx_clean = true;
updateTitles();
}
// if the .lyx file has been saved, we don't need an
// autosave
d->bak_clean = true;
d->undo_.markDirty();
clearExternalModification();
}
void Buffer::setUnnamed(bool flag)
{
d->unnamed = flag;
}
bool Buffer::isUnnamed() const
{
return d->unnamed;
}
/// \note
/// Don't check unnamed, here: isInternal() is used in
/// newBuffer(), where the unnamed flag has not been set by anyone
/// yet. Also, for an internal buffer, there should be no need for
/// retrieving fileName() nor for checking if it is unnamed or not.
bool Buffer::isInternal() const
{
return d->internal_buffer;
}
void Buffer::setInternal(bool flag)
{
d->internal_buffer = flag;
}
void Buffer::markDirty()
{
if (d->lyx_clean) {
d->lyx_clean = false;
updateTitles();
}
d->bak_clean = false;
for (auto & depit : d->dep_clean)
depit.second = false;
}
FileName Buffer::fileName() const
{
return d->filename;
}
string Buffer::absFileName() const
{
return d->filename.absFileName();
}
string Buffer::filePath() const
{
string const abs = d->filename.onlyPath().absFileName();
if (abs.empty())
return abs;
int last = abs.length() - 1;
return abs[last] == '/' ? abs : abs + '/';
}
DocFileName Buffer::getReferencedFileName(string const & fn) const
{
DocFileName result;
if (FileName::isAbsolute(fn) || !FileName::isAbsolute(params().origin))
result.set(fn, filePath());
else {
// filePath() ends with a path separator
FileName const test(filePath() + fn);
if (test.exists())
result.set(fn, filePath());
else
result.set(fn, params().origin);
}
return result;
}
string const Buffer::prepareFileNameForLaTeX(string const & name,
string const & ext, bool nice) const
{
string const fname = makeAbsPath(name, filePath()).absFileName();
if (FileName::isAbsolute(name) || !FileName(fname + ext).isReadableFile())
return name;
if (!nice)
return fname;
// FIXME UNICODE
return to_utf8(makeRelPath(from_utf8(fname),
from_utf8(masterBuffer()->filePath())));
}
vector<pair<docstring, string>> const Buffer::prepareBibFilePaths(OutputParams const & runparams,
docstring_list const & bibfilelist,
bool const add_extension) const
{
// If we are processing the LaTeX file in a temp directory then
// copy the .bib databases to this temp directory, mangling their
// names in the process. Store this mangled name in the list of
// all databases.
// (We need to do all this because BibTeX *really*, *really*
// can't handle "files with spaces" and Windows users tend to
// use such filenames.)
// Otherwise, store the (maybe absolute) path to the original,
// unmangled database name.
vector<pair<docstring, string>> res;
// determine the export format
string const tex_format = flavor2format(runparams.flavor);
// check for spaces in paths
bool found_space = false;
for (auto const & bit : bibfilelist) {
string utf8input = to_utf8(bit);
string database =
prepareFileNameForLaTeX(utf8input, ".bib", runparams.nice);
FileName try_in_file =
makeAbsPath(database + ".bib", filePath());
bool not_from_texmf = try_in_file.isReadableFile();
// If the file has not been found, try with the real file name
// (it might come from a child in a sub-directory)
if (!not_from_texmf) {
try_in_file = getBibfilePath(bit);
if (try_in_file.isReadableFile()) {
// Check if the file is in texmf
FileName kpsefile(findtexfile(changeExtension(utf8input, "bib"), "bib", true));
not_from_texmf = kpsefile.empty()
|| kpsefile.absFileName() != try_in_file.absFileName();
if (not_from_texmf)
// If this exists, make path relative to the master
// FIXME Unicode
database =
removeExtension(prepareFileNameForLaTeX(
to_utf8(makeRelPath(from_utf8(try_in_file.absFileName()),
from_utf8(filePath()))),
".bib", runparams.nice));
}
}
if (!runparams.inComment && !runparams.dryrun && !runparams.nice &&
not_from_texmf) {
// mangledFileName() needs the extension
DocFileName const in_file = DocFileName(try_in_file);
database = removeExtension(in_file.mangledFileName());
FileName const out_file = makeAbsPath(database + ".bib",
masterBuffer()->temppath());
bool const success = in_file.copyTo(out_file);
if (!success) {
LYXERR0("Failed to copy '" << in_file
<< "' to '" << out_file << "'");
}
} else if (!runparams.inComment && runparams.nice && not_from_texmf) {
runparams.exportdata->addExternalFile(tex_format, try_in_file, database + ".bib");
if (!isValidLaTeXFileName(database)) {
frontend::Alert::warning(_("Invalid filename"),
_("The following filename will cause troubles "
"when running the exported file through LaTeX: ") +
from_utf8(database));
}
if (!isValidDVIFileName(database)) {
frontend::Alert::warning(_("Problematic filename for DVI"),
_("The following filename can cause troubles "
"when running the exported file through LaTeX "
"and opening the resulting DVI: ") +
from_utf8(database), true);
}
}
if (add_extension)
database += ".bib";
// FIXME UNICODE
docstring const path = from_utf8(latex_path(database));
if (contains(path, ' '))
found_space = true;
string enc;
if (params().useBiblatex() && !params().bibFileEncoding(utf8input).empty())
enc = params().bibFileEncoding(utf8input);
bool recorded = false;
for (auto const & pe : res) {
if (pe.first == path) {
recorded = true;
break;
}
}
if (!recorded)
res.push_back(make_pair(path, enc));
}
// Check if there are spaces in the path and warn BibTeX users, if so.
// (biber can cope with such paths)
if (!prefixIs(runparams.bibtex_command, "biber")) {
// Post this warning only once.
static bool warned_about_spaces = false;
if (!warned_about_spaces &&
runparams.nice && found_space) {
warned_about_spaces = true;
Alert::warning(_("Export Warning!"),
_("There are spaces in the paths to your BibTeX databases.\n"
"BibTeX will be unable to find them."));
}
}
return res;
}
string Buffer::layoutPos() const
{
return d->layout_position;
}
void Buffer::setLayoutPos(string const & path)
{
if (path.empty()) {
d->layout_position.clear();
return;
}
LATTEST(FileName::isAbsolute(path));
d->layout_position =
to_utf8(makeRelPath(from_utf8(path), from_utf8(filePath())));
if (d->layout_position.empty())
d->layout_position = ".";
}
bool Buffer::hasReadonlyFlag() const
{
return d->read_only;
}
bool Buffer::isReadonly() const
{
return hasReadonlyFlag() || notifiesExternalModification();
}
void Buffer::setParent(Buffer const * buffer)
{
// We need to do some work here to avoid recursive parent structures.
// This is the easy case.
if (buffer == this) {
LYXERR0("Ignoring attempt to set self as parent in\n" << fileName());
return;
}
// Now we check parents going upward, to make sure that IF we set the
// parent as requested, we would not generate a recursive include.
set<Buffer const *> sb;
Buffer const * b = buffer;
bool found_recursion = false;
while (b) {
if (sb.find(b) != sb.end()) {
found_recursion = true;
break;
}
sb.insert(b);
b = b->parent();
}
if (found_recursion) {
LYXERR0("Ignoring attempt to set parent of\n" <<
fileName() <<
"\nto " <<
buffer->fileName() <<
"\nbecause that would create a recursive inclusion.");
return;
}
// We should be safe now.
d->setParent(buffer);
updateMacros();
}
Buffer const * Buffer::parent() const
{
return d->parent();
}
ListOfBuffers Buffer::allRelatives() const
{
ListOfBuffers lb = masterBuffer()->getDescendants();
lb.push_front(const_cast<Buffer *>(masterBuffer()));
return lb;
}
Buffer const * Buffer::masterBuffer() const
{
Buffer const * const pbuf = d->parent();
if (!pbuf)
return this;
return pbuf->masterBuffer();
}
bool Buffer::isChild(Buffer * child) const
{
return d->children_positions.find(child) != d->children_positions.end();
}
DocIterator Buffer::firstChildPosition(Buffer const * child)
{
Impl::BufferPositionMap::iterator it;
it = d->children_positions.find(child);
if (it == d->children_positions.end())
return DocIterator(this);
return it->second;
}
bool Buffer::hasChildren() const
{
return !d->children_positions.empty();
}
void Buffer::collectChildren(ListOfBuffers & children, bool grand_children) const
{
// loop over children
for (auto const & p : d->children_positions) {
Buffer * child = const_cast<Buffer *>(p.first);
// No duplicates
ListOfBuffers::const_iterator bit = find(children.begin(), children.end(), child);
if (bit != children.end())
continue;
children.push_back(child);
if (grand_children)
// there might be grandchildren
child->collectChildren(children, true);
}
}
ListOfBuffers Buffer::getChildren() const
{
ListOfBuffers v;
collectChildren(v, false);
// Make sure we have not included ourselves.
ListOfBuffers::iterator bit = find(v.begin(), v.end(), this);
if (bit != v.end()) {
LYXERR0("Recursive include detected in `" << fileName() << "'.");
v.erase(bit);
}
return v;
}
ListOfBuffers Buffer::getDescendants() const
{
ListOfBuffers v;
collectChildren(v, true);
// Make sure we have not included ourselves.
ListOfBuffers::iterator bit = find(v.begin(), v.end(), this);
if (bit != v.end()) {
LYXERR0("Recursive include detected in `" << fileName() << "'.");
v.erase(bit);
}
return v;
}
template<typename M>
typename M::const_iterator greatest_below(M & m, typename M::key_type const & x)
{
if (m.empty())
return m.end();
typename M::const_iterator it = m.lower_bound(x);
if (it == m.begin())
return m.end();
--it;
return it;
}
MacroData const * Buffer::Impl::getBufferMacro(docstring const & name,
DocIterator const & pos) const
{
LYXERR(Debug::MACROS, "Searching for " << to_ascii(name) << " at " << pos);
// if paragraphs have no macro context set, pos will be empty
if (pos.empty())
return nullptr;
// we haven't found anything yet
DocIterator bestPos = owner_->par_iterator_begin();
MacroData const * bestData = nullptr;
// find macro definitions for name
NamePositionScopeMacroMap::const_iterator nameIt = macros.find(name);
if (nameIt != macros.end()) {
// find last definition in front of pos or at pos itself
PositionScopeMacroMap::const_iterator it
= greatest_below(nameIt->second, pos);
if (it != nameIt->second.end()) {
while (true) {
// scope ends behind pos?
if (pos < it->second.scope) {
// Looks good, remember this. If there
// is no external macro behind this,
// we found the right one already.
bestPos = it->first;
bestData = &it->second.macro;
break;
}
// try previous macro if there is one
if (it == nameIt->second.begin())
break;
--it;
}
}
}
// find macros in included files
PositionScopeBufferMap::const_iterator it
= greatest_below(position_to_children, pos);
if (it == position_to_children.end())
// no children before
return bestData;
while (true) {
// do we know something better (i.e. later) already?
if (it->first < bestPos )
break;
// scope ends behind pos?
if (pos < it->second.scope
&& (cloned_buffer_ ||
theBufferList().isLoaded(it->second.buffer))) {
// look for macro in external file
macro_lock = true;
MacroData const * data
= it->second.buffer->getMacro(name, false);
macro_lock = false;
if (data) {
bestPos = it->first;
bestData = data;
break;
}
}
// try previous file if there is one
if (it == position_to_children.begin())
break;
--it;
}
// return the best macro we have found
return bestData;
}
MacroData const * Buffer::getMacro(docstring const & name,
DocIterator const & pos, bool global) const
{
if (d->macro_lock)
return nullptr;
// query buffer macros
MacroData const * data = d->getBufferMacro(name, pos);
if (data != nullptr)
return data;
// If there is a master buffer, query that
Buffer const * const pbuf = d->parent();
if (pbuf) {
d->macro_lock = true;
MacroData const * macro = pbuf->getMacro(
name, *this, false);
d->macro_lock = false;
if (macro)
return macro;
}
if (global) {
data = MacroTable::globalMacros().get(name);
if (data != nullptr)
return data;
}
return nullptr;
}
MacroData const * Buffer::getMacro(docstring const & name, bool global) const
{
// set scope end behind the last paragraph
DocIterator scope = par_iterator_begin();
scope.pit() = scope.lastpit() + 1;
return getMacro(name, scope, global);
}
MacroData const * Buffer::getMacro(docstring const & name,
Buffer const & child, bool global) const
{
// look where the child buffer is included first
Impl::BufferPositionMap::iterator it = d->children_positions.find(&child);
if (it == d->children_positions.end())
return nullptr;
// check for macros at the inclusion position
return getMacro(name, it->second, global);
}
void Buffer::Impl::updateMacros(DocIterator & it, DocIterator & scope)
{
pit_type const lastpit = it.lastpit();
// look for macros in each paragraph
while (it.pit() <= lastpit) {
Paragraph & par = it.paragraph();
// iterate over the insets of the current paragraph
for (auto const & insit : par.insetList()) {
it.pos() = insit.pos;
// is it a nested text inset?
if (insit.inset->asInsetText()) {
// Inset needs its own scope?
InsetText const * itext = insit.inset->asInsetText();
bool newScope = itext->isMacroScope();
// scope which ends just behind the inset
DocIterator insetScope = it;
++insetScope.pos();
// collect macros in inset
it.push_back(CursorSlice(*insit.inset));
updateMacros(it, newScope ? insetScope : scope);
it.pop_back();
continue;
}
if (insit.inset->asInsetTabular()) {
CursorSlice slice(*insit.inset);
size_t const numcells = slice.nargs();
for (; slice.idx() < numcells; slice.forwardIdx()) {
it.push_back(slice);
updateMacros(it, scope);
it.pop_back();
}
continue;
}
// is it an external file?
if (insit.inset->lyxCode() == INCLUDE_CODE) {
// get buffer of external file
InsetInclude const & incinset =
static_cast<InsetInclude const &>(*insit.inset);
macro_lock = true;
Buffer * child = incinset.loadIfNeeded();
macro_lock = false;
if (!child)
continue;
// register its position, but only when it is
// included first in the buffer
children_positions.insert({child, it});
// register child with its scope
position_to_children[it] = Impl::ScopeBuffer(scope, child);
continue;
}
InsetMath * im = insit.inset->asInsetMath();
if (doing_export && im) {
InsetMathHull * hull = im->asHullInset();
if (hull)
hull->recordLocation(it);
}
if (insit.inset->lyxCode() != MATHMACRO_CODE)
continue;
// get macro data
InsetMathMacroTemplate & macroTemplate =
*insit.inset->asInsetMath()->asMacroTemplate();
MacroContext mc(owner_, it);
macroTemplate.updateToContext(mc);
// valid?
bool valid = macroTemplate.validMacro();
// FIXME: Should be fixNameAndCheckIfValid() in fact,
// then the BufferView's cursor will be invalid in
// some cases which leads to crashes.
if (!valid)
continue;
// register macro
// FIXME (Abdel), I don't understand why we pass 'it' here
// instead of 'macroTemplate' defined above... is this correct?
macros[macroTemplate.name()][it] =
Impl::ScopeMacro(scope, MacroData(owner_, it));
}
// next paragraph
it.pit()++;
it.pos() = 0;
}
}
void Buffer::updateMacros() const
{
if (d->macro_lock)
return;
LYXERR(Debug::MACROS, "updateMacro of " << d->filename.onlyFileName());
// start with empty table
d->macros.clear();
d->children_positions.clear();
d->position_to_children.clear();
// Iterate over buffer, starting with first paragraph
// The scope must be bigger than any lookup DocIterator
// later. For the global lookup, lastpit+1 is used, hence
// we use lastpit+2 here.
DocIterator it = par_iterator_begin();
DocIterator outerScope = it;
outerScope.pit() = outerScope.lastpit() + 2;
d->updateMacros(it, outerScope);
}
void Buffer::getUsedBranches(std::list<docstring> & result, bool const from_master) const
{
for (Inset const & it : inset()) {
if (it.lyxCode() == BRANCH_CODE) {
InsetBranch const & br = static_cast<InsetBranch const &>(it);
docstring const name = br.branch();
if (!from_master && !params().branchlist().find(name))
result.push_back(name);
else if (from_master && !masterBuffer()->params().branchlist().find(name))
result.push_back(name);
continue;
}
if (it.lyxCode() == INCLUDE_CODE) {
// get buffer of external file
InsetInclude const & ins =
static_cast<InsetInclude const &>(it);
Buffer * child = ins.loadIfNeeded();
if (!child)
continue;
child->getUsedBranches(result, true);
}
}
// remove duplicates
result.unique();
}
void Buffer::updateMacroInstances(UpdateType utype) const
{
LYXERR(Debug::MACROS, "updateMacroInstances for "
<< d->filename.onlyFileName());
DocIterator it = doc_iterator_begin(this);
it.forwardInset();
DocIterator const end = doc_iterator_end(this);
for (; it != end; it.forwardInset()) {
// look for MathData cells in InsetMathNest insets
InsetMath * minset = it.nextInset()->asInsetMath();
if (!minset)
continue;
// update macro in all cells of the InsetMathNest
idx_type n = minset->nargs();
MacroContext mc = MacroContext(this, it);
for (idx_type i = 0; i < n; ++i) {
MathData & data = minset->cell(i);
data.updateMacros(nullptr, mc, utype, 0);
}
}
}
void Buffer::listMacroNames(MacroNameSet & macros) const
{
if (d->macro_lock)
return;
d->macro_lock = true;
// loop over macro names
for (auto const & nameit : d->macros)
macros.insert(nameit.first);
// loop over children
for (auto const & p : d->children_positions) {
Buffer * child = const_cast<Buffer *>(p.first);
// The buffer might have been closed (see #10766).
if (theBufferList().isLoaded(child))
child->listMacroNames(macros);
}
// call parent
Buffer const * const pbuf = d->parent();
if (pbuf)
pbuf->listMacroNames(macros);
d->macro_lock = false;
}
void Buffer::listParentMacros(MacroSet & macros, LaTeXFeatures & features) const
{
Buffer const * const pbuf = d->parent();
if (!pbuf)
return;
MacroNameSet names;
pbuf->listMacroNames(names);
// resolve macros
for (auto const & mit : names) {
// defined?
MacroData const * data = pbuf->getMacro(mit, *this, false);
if (data) {
macros.insert(data);
// we cannot access the original InsetMathMacroTemplate anymore
// here to calls validate method. So we do its work here manually.
// FIXME: somehow make the template accessible here.
if (data->optionals() > 0)
features.require("xargs");
}
}
}
Buffer::References & Buffer::getReferenceCache(docstring const & label)
{
if (d->parent())
return const_cast<Buffer *>(masterBuffer())->getReferenceCache(label);
RefCache::iterator it = d->ref_cache_.find(label);
if (it != d->ref_cache_.end())
return it->second;
static References const dummy_refs = References();
it = d->ref_cache_.insert(
make_pair(label, dummy_refs)).first;
return it->second;
}
Buffer::References const & Buffer::references(docstring const & label) const
{
return const_cast<Buffer *>(this)->getReferenceCache(label);
}
void Buffer::addReference(docstring const & label, Inset * inset, ParIterator it)
{
References & refs = getReferenceCache(label);
refs.push_back(make_pair(inset, it));
}
void Buffer::setInsetLabel(docstring const & label, InsetLabel const * il,
bool const active)
{
LabelInfo linfo;
linfo.label = label;
linfo.inset = il;
linfo.active = active;
masterBuffer()->d->label_cache_.push_back(linfo);
}
InsetLabel const * Buffer::insetLabel(docstring const & label,
bool const active) const
{
for (auto const & rc : masterBuffer()->d->label_cache_) {
if (rc.label == label && (rc.active || !active))
return rc.inset;
}
return nullptr;
}
bool Buffer::activeLabel(docstring const & label) const
{
return insetLabel(label, true) != nullptr;
}
void Buffer::clearReferenceCache() const
{
if (!d->parent()) {
d->ref_cache_.clear();
d->label_cache_.clear();
}
}
void Buffer::changeRefsIfUnique(docstring const & from, docstring const & to)
{
//FIXME: This does not work for child documents yet.
reloadBibInfoCache();
// Check if the label 'from' appears more than once
vector<docstring> labels;
for (auto const & bibit : masterBibInfo())
labels.push_back(bibit.first);
if (count(labels.begin(), labels.end(), from) > 1)
return;
string const paramName = "key";
UndoGroupHelper ugh(this);
InsetIterator it = begin(inset());
for (; it; ++it) {
if (it->lyxCode() != CITE_CODE)
continue;
InsetCommand * inset = it->asInsetCommand();
docstring const oldValue = inset->getParam(paramName);
if (oldValue == from) {
undo().recordUndo(CursorData(it));
inset->setParam(paramName, to);
}
}
}
// returns NULL if id-to-row conversion is unsupported
unique_ptr<TexRow> Buffer::getSourceCode(odocstream & os, string const & format,
pit_type par_begin, pit_type par_end,
OutputWhat output, bool master) const
{
unique_ptr<TexRow> texrow;
OutputParams runparams(&params().encoding());
runparams.nice = true;
runparams.flavor = params().getOutputFlavor(format);
runparams.linelen = lyxrc.plaintext_linelen;
// No side effect of file copying and image conversion
runparams.dryrun = true;
// Some macros rely on font encoding
runparams.main_fontenc = params().main_font_encoding();
// Use the right wrapping for the comment at the beginning of the generated
// snippet, so that it is either valid LaTeX or valid XML (including HTML and DocBook).
docstring comment_start = from_ascii("% ");
docstring comment_end = from_ascii("");
if (runparams.flavor == Flavor::Html || runparams.flavor == Flavor::DocBook5) {
comment_start = from_ascii("<!-- ");
comment_end = from_ascii(" -->");
}
if (output == CurrentParagraph) {
runparams.par_begin = par_begin;
runparams.par_end = par_end;
if (par_begin + 1 == par_end) {
os << comment_start
<< bformat(_("Preview source code for paragraph %1$d"), par_begin)
<< comment_end
<< "\n\n";
} else {
os << comment_start
<< bformat(_("Preview source code from paragraph %1$s to %2$s"),
convert<docstring>(par_begin),
convert<docstring>(par_end - 1))
<< comment_end
<< "\n\n";
}
// output paragraphs
if (runparams.flavor == Flavor::LyX) {
Paragraph const & par = text().paragraphs()[par_begin];
ostringstream ods;
depth_type dt = par.getDepth();
par.write(ods, params(), dt);
os << from_utf8(ods.str());
} else if (runparams.flavor == Flavor::Html) {
XMLStream xs(os);
setMathFlavor(runparams);
xhtmlParagraphs(text(), *this, xs, runparams);
} else if (runparams.flavor == Flavor::Text) {
bool dummy = false;
// FIXME Handles only one paragraph, unlike the others.
// Probably should have some routine with a signature like them.
writePlaintextParagraph(*this,
text().paragraphs()[par_begin], os, runparams, dummy);
} else if (runparams.flavor == Flavor::DocBook5) {
XMLStream xs{os};
docbookParagraphs(text(), *this, xs, runparams);
} else {
// If we are previewing a paragraph, even if this is the
// child of some other buffer, let's cut the link here,
// so that no concurring settings from the master
// (e.g. branch state) interfere (see #8101).
if (!master)
d->ignore_parent = true;
// We need to validate the Buffer params' features here
// in order to know if we should output polyglossia
// macros (instead of babel macros)
LaTeXFeatures features(*this, params(), runparams);
validate(features);
runparams.use_polyglossia = features.usePolyglossia();
runparams.use_babel = features.useBabel();
runparams.use_hyperref = features.isRequired("hyperref");
// latex or literate
otexstream ots(os);
// output above
ots.texrow().newlines(2);
// the real stuff
latexParagraphs(*this, text(), ots, runparams);
texrow = ots.releaseTexRow();
// Restore the parenthood
if (!master)
d->ignore_parent = false;
}
} else {
os << comment_start;
if (output == FullSource)
os << _("Preview source code");
else if (output == OnlyPreamble)
os << _("Preview preamble");
else if (output == OnlyBody)
os << _("Preview body");
os << comment_end;
os << "\n\n";
if (runparams.flavor == Flavor::LyX) {
ostringstream ods;
if (output == FullSource)
write(ods);
else if (output == OnlyPreamble)
params().writeFile(ods, this);
else if (output == OnlyBody)
text().write(ods);
os << from_utf8(ods.str());
} else if (runparams.flavor == Flavor::Html) {
writeLyXHTMLSource(os, runparams, output);
} else if (runparams.flavor == Flavor::Text) {
if (output == OnlyPreamble)
os << "% "<< _("Plain text does not have a preamble.");
else
writePlaintextFile(*this, os, runparams);
} else if (runparams.flavor == Flavor::DocBook5) {
writeDocBookSource(os, runparams, output);
} else {
// latex or literate
otexstream ots(os);
// output above
ots.texrow().newlines(2);
if (master)
runparams.is_child = true;
updateBuffer();
writeLaTeXSource(ots, string(), runparams, output);
texrow = ots.releaseTexRow();
}
}
return texrow;
}
ErrorList & Buffer::errorList(string const & type) const
{
return d->errorLists[type];
}
void Buffer::updateTocItem(std::string const & type,
DocIterator const & dit) const
{
if (d->gui_)
d->gui_->updateTocItem(type, dit);
}
void Buffer::structureChanged() const
{
if (d->gui_)
d->gui_->structureChanged();
}
void Buffer::errors(string const & err, bool from_master) const
{
if (d->gui_)
d->gui_->errors(err, from_master);
}
void Buffer::message(docstring const & msg) const
{
if (d->gui_)
d->gui_->message(msg);
}
void Buffer::setBusy(bool on) const
{
if (d->gui_)
d->gui_->setBusy(on);
}
void Buffer::updateTitles() const
{
if (d->wa_)
d->wa_->updateTitles();
}
void Buffer::scheduleRedrawWorkAreas() const
{
if (d->wa_)
d->wa_->scheduleRedraw();
}
void Buffer::resetAutosaveTimers() const
{
if (d->gui_)
d->gui_->resetAutosaveTimers();
}
bool Buffer::hasGuiDelegate() const
{
return d->gui_;
}
void Buffer::setGuiDelegate(frontend::GuiBufferDelegate * gui)
{
d->gui_ = gui;
}
FileName Buffer::getEmergencyFileName() const
{
return FileName(d->filename.absFileName() + ".emergency");
}
FileName Buffer::getAutosaveFileName() const
{
// if the document is unnamed try to save in the backup dir, else
// in the default document path, and as a last try in the filePath,
// which will most often be the temporary directory
string fpath;
if (isUnnamed())
fpath = lyxrc.backupdir_path.empty() ? lyxrc.document_path
: lyxrc.backupdir_path;
if (!isUnnamed() || fpath.empty() || !FileName(fpath).exists())
fpath = filePath();
string const fname = "#" + d->filename.onlyFileName() + "#";
return makeAbsPath(fname, fpath);
}
void Buffer::removeAutosaveFile() const
{
FileName const f = getAutosaveFileName();
if (f.exists())
f.removeFile();
}
void Buffer::moveAutosaveFile(FileName const & oldauto) const
{
FileName const newauto = getAutosaveFileName();
oldauto.refresh();
if (newauto != oldauto && oldauto.exists())
if (!oldauto.moveTo(newauto))
LYXERR0("Unable to move autosave file `" << oldauto << "'!");
}
bool Buffer::autoSave() const
{
Buffer const * buf = d->cloned_buffer_ ? d->cloned_buffer_ : this;
if (buf->d->bak_clean || hasReadonlyFlag())
return true;
message(_("Autosaving current document..."));
buf->d->bak_clean = true;
FileName const fname = getAutosaveFileName();
LASSERT(d->cloned_buffer_, return false);
// If this buffer is cloned, we assume that
// we are running in a separate thread already.
TempFile tempfile("lyxautoXXXXXX.lyx");
tempfile.setAutoRemove(false);
FileName const tmp_ret = tempfile.name();
if (!tmp_ret.empty()) {
writeFile(tmp_ret);
// assume successful write of tmp_ret
if (tmp_ret.moveTo(fname))
return true;
}
// failed to write/rename tmp_ret so try writing direct
return writeFile(fname);
}
void Buffer::setExportStatus(bool e) const
{
d->doing_export = e;
ListOfBuffers clist = getDescendants();
for (auto const & bit : clist)
bit->d->doing_export = e;
}
bool Buffer::isExporting() const
{
return d->doing_export;
}
Buffer::ExportStatus Buffer::doExport(string const & target, bool put_in_tempdir)
const
{
string result_file;
return doExport(target, put_in_tempdir, result_file);
}
Buffer::ExportStatus Buffer::doExport(string const & target, bool put_in_tempdir,
string & result_file) const
{
bool const update_unincluded =
params().maintain_unincluded_children != BufferParams::CM_None
&& !params().getIncludedChildren().empty();
// (1) export with all included children (omit \includeonly)
if (update_unincluded) {
ExportStatus const status =
doExport(target, put_in_tempdir, true, result_file);
if (status != ExportSuccess)
return status;
}
// (2) export with included children only
return doExport(target, put_in_tempdir, false, result_file);
}
void Buffer::setMathFlavor(OutputParams & op) const
{
// Passes the way to generate formulae to the XHTML output code.
// In particular, this function has no impact on the DocBook code, as it
// uses another mechanism to handle math flavours.
switch (params().html_math_output) {
case BufferParams::MathML:
op.math_flavor = OutputParams::MathAsMathML;
break;
case BufferParams::HTML:
op.math_flavor = OutputParams::MathAsHTML;
break;
case BufferParams::Images:
op.math_flavor = OutputParams::MathAsImages;
break;
case BufferParams::LaTeX:
op.math_flavor = OutputParams::MathAsLaTeX;
break;
}
}
Buffer::ExportStatus Buffer::doExport(string const & target, bool put_in_tempdir,
bool includeall, string & result_file) const
{
if (removeBiblioTemps)
removeBiblioTempFiles();
LYXERR(Debug::FILES, "target=" << target);
OutputParams runparams(&params().encoding());
string format = target;
string dest_filename;
size_t pos = target.find(' ');
if (pos != string::npos) {
dest_filename = target.substr(pos + 1, target.length() - pos - 1);
format = target.substr(0, pos);
if (format == "default")
format = params().getDefaultOutputFormat();
runparams.export_folder = FileName(dest_filename).onlyPath().realPath();
FileName(dest_filename).onlyPath().createPath();
LYXERR(Debug::FILES, "format=" << format << ", dest_filename=" << dest_filename << ", export_folder=" << runparams.export_folder);
}
MarkAsExporting exporting(this);
string backend_format;
runparams.flavor = Flavor::LaTeX;
runparams.linelen = lyxrc.plaintext_linelen;
runparams.includeall = includeall;
vector<string> backs = params().backends();
Converters converters = theConverters();
bool need_nice_file = false;
if (find(backs.begin(), backs.end(), format) == backs.end()) {
// Get the shortest path to format
converters.buildGraph();
Graph::EdgePath path;
for (string const & sit : backs) {
Graph::EdgePath p = converters.getPath(sit, format);
if (!p.empty() && (path.empty() || p.size() < path.size())) {
backend_format = sit;
path = p;
}
}
if (path.empty()) {
if (!put_in_tempdir) {
// Only show this alert if this is an export to a non-temporary
// file (not for previewing).
docstring s = bformat(_("No information for exporting the format %1$s."),
translateIfPossible(theFormats().prettyName(format)));
if (format == "pdf4")
s += "\n"
+ bformat(_("Hint: use non-TeX fonts or set input encoding"
" to '%1$s'"), from_utf8(encodings.fromLyXName("ascii")->guiName()));
Alert::error(_("Couldn't export file"), s);
}
return ExportNoPathToFormat;
}
runparams.flavor = converters.getFlavor(path, this);
runparams.hyperref_driver = converters.getHyperrefDriver(path);
for (auto const & edge : path)
if (theConverters().get(edge).nice()) {
need_nice_file = true;
break;
}
} else {
backend_format = format;
LYXERR(Debug::FILES, "backend_format=" << backend_format);
// FIXME: Don't hardcode format names here, but use a flag
if (backend_format == "pdflatex")
runparams.flavor = Flavor::PdfLaTeX;
else if (backend_format == "luatex")
runparams.flavor = Flavor::LuaTeX;
else if (backend_format == "dviluatex")
runparams.flavor = Flavor::DviLuaTeX;
else if (backend_format == "xetex")
runparams.flavor = Flavor::XeTeX;
}
string filename = latexName(false);
filename = addName(temppath(), filename);
filename = changeExtension(filename,
theFormats().extension(backend_format));
LYXERR(Debug::FILES, "filename=" << filename);
// Plain text backend
if (backend_format == "text") {
runparams.flavor = Flavor::Text;
try {
writePlaintextFile(*this, FileName(filename), runparams);
}
catch (ConversionException const &) { return ExportCancel; }
}
// HTML backend
else if (backend_format == "xhtml") {
runparams.flavor = Flavor::Html;
setMathFlavor(runparams);
if (makeLyXHTMLFile(FileName(filename), runparams) == ExportKilled)
return ExportKilled;
} else if (backend_format == "lyx")
writeFile(FileName(filename));
// DocBook backend
else if (backend_format == "docbook5") {
runparams.flavor = Flavor::DocBook5;
runparams.nice = false;
if (makeDocBookFile(FileName(filename), runparams) == ExportKilled)
return ExportKilled;
}
// LaTeX backend
else if (backend_format == format || need_nice_file) {
runparams.nice = true;
ExportStatus const retval =
makeLaTeXFile(FileName(filename), string(), runparams);
if (retval == ExportKilled)
return ExportKilled;
if (d->cloned_buffer_)
d->cloned_buffer_->d->errorLists["Export"] = d->errorLists["Export"];
if (retval != ExportSuccess)
return retval;
} else if (!lyxrc.tex_allows_spaces
&& contains(filePath(), ' ')) {
Alert::error(_("File name error"),
bformat(_("The directory path to the document\n%1$s\n"
"contains spaces, but your TeX installation does "
"not allow them. You should save the file to a directory "
"whose name does not contain spaces."), from_utf8(filePath())));
return ExportTexPathHasSpaces;
} else {
runparams.nice = false;
ExportStatus const retval =
makeLaTeXFile(FileName(filename), filePath(), runparams);
if (retval == ExportKilled)
return ExportKilled;
if (d->cloned_buffer_)
d->cloned_buffer_->d->errorLists["Export"] = d->errorLists["Export"];
if (retval != ExportSuccess)
return ExportError;
}
string const error_type = (format == "program")
? "Build" : params().bufferFormat();
ErrorList & error_list = d->errorLists[error_type];
string const ext = theFormats().extension(format);
FileName const tmp_result_file(changeExtension(filename, ext));
Converters::RetVal const retval =
converters.convert(this, FileName(filename), tmp_result_file,
FileName(absFileName()), backend_format, format,
error_list, Converters::none, includeall);
if (retval == Converters::KILLED)
return ExportCancel;
bool success = (retval == Converters::SUCCESS);
// Emit the signal to show the error list or copy it back to the
// cloned Buffer so that it can be emitted afterwards.
if (format != backend_format) {
if (runparams.silent)
error_list.clear();
else if (d->cloned_buffer_)
d->cloned_buffer_->d->errorLists[error_type] =
d->errorLists[error_type];
else
errors(error_type);
// also to the children, in case of master-buffer-view
ListOfBuffers clist = getDescendants();
for (auto const & bit : clist) {
if (runparams.silent)
bit->d->errorLists[error_type].clear();
else if (d->cloned_buffer_) {
// Enable reverse search by copying back the
// texrow object to the cloned buffer.
// FIXME: this is not thread safe.
bit->d->cloned_buffer_->d->texrow = bit->d->texrow;
bit->d->cloned_buffer_->d->errorLists[error_type] =
bit->d->errorLists[error_type];
} else
bit->errors(error_type, true);
}
}
if (d->cloned_buffer_) {
// Enable reverse dvi or pdf to work by copying back the texrow
// object to the cloned buffer.
// FIXME: There is a possibility of concurrent access to texrow
// here from the main GUI thread that should be securized.
d->cloned_buffer_->d->texrow = d->texrow;
string const err_type = params().bufferFormat();
d->cloned_buffer_->d->errorLists[error_type] = d->errorLists[err_type];
}
if (put_in_tempdir) {
result_file = tmp_result_file.absFileName();
return success ? ExportSuccess : ExportConverterError;
}
if (dest_filename.empty())
result_file = changeExtension(d->exportFileName().absFileName(), ext);
else
result_file = dest_filename;
// We need to copy referenced files (e.g. included graphics
// if format == "dvi") to the result dir.
vector<ExportedFile> const extfiles =
runparams.exportdata->externalFiles(format);
string const dest = runparams.export_folder.empty() ?
onlyPath(result_file) : runparams.export_folder;
bool use_force = use_gui ? lyxrc.export_overwrite == ALL_FILES
: force_overwrite == ALL_FILES;
CopyStatus status = use_force ? FORCE : SUCCESS;
for (ExportedFile const & exp : extfiles) {
if (status == CANCEL) {
message(_("Document export cancelled."));
return ExportCancel;
}
string const fmt = theFormats().getFormatFromFile(exp.sourceName);
string fixedName = exp.exportName;
if (!runparams.export_folder.empty()) {
// Relative pathnames starting with ../ will be sanitized
// if exporting to a different folder
while (fixedName.substr(0, 3) == "../")
fixedName = fixedName.substr(3, fixedName.length() - 3);
}
FileName fixedFileName = makeAbsPath(fixedName, dest);
fixedFileName.onlyPath().createPath();
status = copyFile(fmt, exp.sourceName,
fixedFileName,
exp.exportName, status == FORCE,
runparams.export_folder.empty());
}
if (tmp_result_file.exists()) {
// Finally copy the main file
use_force = use_gui ? lyxrc.export_overwrite != NO_FILES
: force_overwrite != NO_FILES;
if (status == SUCCESS && use_force)
status = FORCE;
status = copyFile(format, tmp_result_file,
FileName(result_file), result_file,
status == FORCE);
if (status == CANCEL) {
message(_("Document export cancelled."));
return ExportCancel;
} else {
message(bformat(_("Document exported as %1$s "
"to file `%2$s'"),
translateIfPossible(theFormats().prettyName(format)),
makeDisplayPath(result_file)));
}
} else {
// This must be a dummy converter like fax (bug 1888)
message(bformat(_("Document exported as %1$s"),
translateIfPossible(theFormats().prettyName(format))));
}
return success ? ExportSuccess : ExportConverterError;
}
Buffer::ExportStatus Buffer::preview(string const & format) const
{
bool const update_unincluded =
params().maintain_unincluded_children != BufferParams::CM_None
&& !params().getIncludedChildren().empty();
return preview(format, update_unincluded);
}
Buffer::ExportStatus Buffer::preview(string const & format, bool includeall) const
{
MarkAsExporting exporting(this);
string result_file;
// (1) export with all included children (omit \includeonly)
if (includeall) {
ExportStatus const status = doExport(format, true, true, result_file);
if (status != ExportSuccess)
return status;
}
// (2) export with included children only
ExportStatus const status = doExport(format, true, false, result_file);
FileName const previewFile(result_file);
Impl * theimpl = isClone() ? d->cloned_buffer_->d : d;
theimpl->preview_file_ = previewFile;
theimpl->preview_format_ = format;
theimpl->require_fresh_start_ = (status != ExportSuccess);
if (status != ExportSuccess)
return status;
if (previewFile.exists())
return theFormats().view(*this, previewFile, format) ?
PreviewSuccess : PreviewError;
// Successful export but no output file?
// Probably a bug in error detection.
LATTEST(status != ExportSuccess);
return status;
}
Buffer::ReadStatus Buffer::extractFromVC()
{
bool const found = LyXVC::file_not_found_hook(d->filename);
if (!found)
return ReadFileNotFound;
if (!d->filename.isReadableFile())
return ReadVCError;
return ReadSuccess;
}
Buffer::ReadStatus Buffer::loadEmergency()
{
FileName const emergencyFile = getEmergencyFileName();
if (!emergencyFile.exists()
|| emergencyFile.lastModified() <= d->filename.lastModified())
return ReadFileNotFound;
docstring const file = makeDisplayPath(d->filename.absFileName(), 20);
docstring const text = bformat(_("An emergency save of the document "
"%1$s exists.\n\nRecover emergency save?"), file);
int const load_emerg = Alert::prompt(_("Load emergency save?"), text,
0, 3, _("&Recover"), _("&Load Original"), _("&Only show difference"), _("&Cancel"));
switch (load_emerg)
{
case 0: {
docstring str;
ReadStatus const ret_llf = loadThisLyXFile(emergencyFile);
bool const success = (ret_llf == ReadSuccess);
if (success) {
if (hasReadonlyFlag()) {
Alert::warning(_("File is read-only"),
bformat(_("An emergency file is successfully loaded, "
"but the original file %1$s is marked read-only. "
"Please make sure to save the document as a different "
"file."), from_utf8(d->filename.absFileName())));
}
markDirty();
lyxvc().file_found_hook(d->filename);
str = _("Document was successfully recovered.");
} else
str = _("Document was NOT successfully recovered.");
str += "\n\n" + bformat(_("Remove emergency file now?\n(%1$s)"),
makeDisplayPath(emergencyFile.absFileName()));
int const del_emerg =
Alert::prompt(_("Delete emergency file?"), str, 1, 1,
_("&Remove"), _("&Keep"));
if (del_emerg == 0) {
emergencyFile.removeFile();
if (success)
Alert::warning(_("Emergency file deleted"),
_("Do not forget to save your file now!"), true);
}
return success ? ReadSuccess : ReadEmergencyFailure;
}
case 1: {
int const del_emerg =
Alert::prompt(_("Delete emergency file?"),
_("Remove emergency file now?"), 1, 1,
_("&Remove"), _("&Keep"));
if (del_emerg == 0)
emergencyFile.removeFile();
else {
// See bug #11464
FileName newname;
string const ename = emergencyFile.absFileName();
bool noname = true;
// Surely we can find one in 100 tries?
for (int i = 1; i < 100; ++i) {
newname.set(ename + to_string(i) + ".lyx");
if (!newname.exists()) {
noname = false;
break;
}
}
if (!noname) {
// renameTo returns true on success. So inverting that
// will give us true if we fail.
noname = !emergencyFile.renameTo(newname);
}
if (noname) {
Alert::warning(_("Can't rename emergency file!"),
_("LyX was unable to rename the emergency file. "
"You should do so manually. Otherwise, you will be "
"asked about it again the next time you try to load "
"this file, and may over-write your own work."));
} else {
Alert::warning(_("Emergency File Renamed"),
bformat(_("Emergency file renamed as:\n %1$s"),
from_utf8(newname.onlyFileName())));
}
}
return ReadOriginal;
}
case 2: {
string const f1 = d->filename.absFileName();
string const f2 = emergencyFile.absFileName();
if (loadThisLyXFile(d->filename) != ReadSuccess)
return ReadCancel;
string const par = "compare run-blocking " + quoteName(f1) + " " + quoteName(f2);
LYXERR(Debug::FILES, par << "\n");
lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, par));
//release the emergency buffer loaded by compare
Buffer * emerBuffer = theBufferList().getBuffer(emergencyFile);
if (emerBuffer)
theBufferList().release(emerBuffer);
return ReadCancel; //Release the buffer of Original immediatelly
}
default:
break;
}
return ReadCancel;
}
Buffer::ReadStatus Buffer::loadAutosave()
{
// Now check if autosave file is newer.
FileName const autosaveFile = getAutosaveFileName();
if (!autosaveFile.exists()
|| autosaveFile.lastModified() <= d->filename.lastModified())
return ReadFileNotFound;
docstring const file = makeDisplayPath(d->filename.absFileName(), 20);
docstring const text = bformat(_("The backup of the document %1$s "
"is newer.\n\nLoad the backup instead?"), file);
int const ret = Alert::prompt(_("Load backup?"), text, 0, 2,
_("&Load backup"), _("Load &original"), _("&Cancel"));
switch (ret)
{
case 0: {
ReadStatus const ret_llf = loadThisLyXFile(autosaveFile);
// the file is not saved if we load the autosave file.
if (ret_llf == ReadSuccess) {
if (hasReadonlyFlag()) {
Alert::warning(_("File is read-only"),
bformat(_("A backup file is successfully loaded, "
"but the original file %1$s is marked read-only. "
"Please make sure to save the document as a "
"different file."),
from_utf8(d->filename.absFileName())));
}
markDirty();
lyxvc().file_found_hook(d->filename);
return ReadSuccess;
}
return ReadAutosaveFailure;
}
case 1:
// Here we delete the autosave
autosaveFile.removeFile();
return ReadOriginal;
default:
break;
}
return ReadCancel;
}
Buffer::ReadStatus Buffer::loadLyXFile()
{
if (!d->filename.isReadableFile()) {
ReadStatus const ret_rvc = extractFromVC();
if (ret_rvc != ReadSuccess)
return ret_rvc;
}
ReadStatus const ret_re = loadEmergency();
if (ret_re == ReadSuccess || ret_re == ReadCancel)
return ret_re;
ReadStatus const ret_ra = loadAutosave();
if (ret_ra == ReadSuccess || ret_ra == ReadCancel)
return ret_ra;
return loadThisLyXFile(d->filename);
}
Buffer::ReadStatus Buffer::loadThisLyXFile(FileName const & fn)
{
return readFile(fn);
}
void Buffer::Impl::traverseErrors(TeXErrors::Errors::const_iterator err, TeXErrors::Errors::const_iterator end, ErrorList & errorList) const
{
for (; err != end; ++err) {
TexRow::TextEntry start = TexRow::text_none, end = TexRow::text_none;
int errorRow = err->error_in_line;
Buffer const * buf = nullptr;
Impl const * p = this;
if (err->child_name.empty())
tie(start, end) = p->texrow.getEntriesFromRow(errorRow);
else {
// The error occurred in a child
for (Buffer const * child : owner_->getDescendants()) {
string const child_name =
DocFileName(changeExtension(child->absFileName(), "tex")).
mangledFileName();
if (err->child_name != child_name)
continue;
tie(start, end) = child->d->texrow.getEntriesFromRow(errorRow);
if (!TexRow::isNone(start)) {
buf = this->cloned_buffer_
? child->d->cloned_buffer_->d->owner_
: child->d->owner_;
p = child->d;
break;
}
}
}
errorList.push_back(ErrorItem(err->error_desc, err->error_text,
start, end, buf));
}
}
void Buffer::bufferErrors(TeXErrors const & terr, ErrorList & errorList) const
{
TeXErrors::Errors::const_iterator err = terr.begin();
TeXErrors::Errors::const_iterator end = terr.end();
d->traverseErrors(err, end, errorList);
}
void Buffer::bufferRefs(TeXErrors const & terr, ErrorList & errorList) const
{
TeXErrors::Errors::const_iterator err = terr.begin_ref();
TeXErrors::Errors::const_iterator end = terr.end_ref();
d->traverseErrors(err, end, errorList);
}
void Buffer::updateBuffer() const
{
updateBuffer(UpdateMaster, InternalUpdate);
d->need_update = false;
}
void Buffer::updateBuffer(UpdateScope scope, UpdateType utype) const
{
LBUFERR(!text().paragraphs().empty());
// This can be called when loading a file, so that there be no
// open undo group.
UndoGroupHelper ugh(const_cast<Buffer *>(this));
// Use the master text class also for child documents
Buffer const * const master = masterBuffer();
DocumentClass const & textclass = master->params().documentClass();
docstring_list old_bibfiles;
// Do this only if we are the top-level Buffer. We also need to account
// for the case of a previewed child with ignored parent here.
if (master == this && !d->ignore_parent) {
textclass.counters().reset(from_ascii("bibitem"));
reloadBibInfoCache();
// we will re-read this cache as we go through, but we need
// to know whether it's changed to know whether we need to
// update the bibinfo cache.
old_bibfiles = d->bibfiles_cache_;
d->bibfiles_cache_.clear();
}
// keep the buffers to be children in this set. If the call from the
// master comes back we can see which of them were actually seen (i.e.
// via an InsetInclude). The remaining ones in the set need still be updated.
static std::set<Buffer const *> bufToUpdate;
if (scope == UpdateMaster) {
// If this is a child document start with the master
if (master != this) {
bufToUpdate.insert(this);
master->updateBuffer(UpdateMaster, utype);
// If the master buffer has no gui associated with it, then the TocModel is
// not updated during the updateBuffer call and TocModel::toc_ is invalid
// (bug 5699). The same happens if the master buffer is open in a different
// window. This test catches both possibilities.
// See: https://marc.info/?l=lyx-devel&m=138590578911716&w=2
// There remains a problem here: If there is another child open in yet a third
// window, that TOC is not updated. So some more general solution is needed at
// some point.
if (master->d->gui_ != d->gui_)
structureChanged();
// was buf referenced from the master (i.e. not in bufToUpdate anymore)?
if (bufToUpdate.find(this) == bufToUpdate.end())
return;
}
// start over the counters in the master
textclass.counters().reset();
}
// update will be done below for this buffer
bufToUpdate.erase(this);
// update all caches
clearReferenceCache();
updateMacros();
Buffer & cbuf = const_cast<Buffer &>(*this);
// if we are reloading, then we could have a dangling TOC,
// in effect. so we need to go ahead and reset, even though
// we will do so again when we rebuild the TOC later.
cbuf.tocBackend().reset();
// do the real work
ParIterator parit = cbuf.par_iterator_begin();
if (scope == UpdateMaster)
clearIncludeList();
updateBuffer(parit, utype);
// If this document has siblings, then update the TocBackend later. The
// reason is to ensure that later siblings are up to date when e.g. the
// broken or not status of references is computed. The update is called
// in InsetInclude::addToToc.
if (master != this)
return;
// if the bibfiles changed, the cache of bibinfo is invalid
docstring_list new_bibfiles = d->bibfiles_cache_;
// this is a trick to determine whether the two vectors have
// the same elements.
sort(new_bibfiles.begin(), new_bibfiles.end());
sort(old_bibfiles.begin(), old_bibfiles.end());
if (old_bibfiles != new_bibfiles) {
LYXERR(Debug::FILES, "Reloading bibinfo cache.");
invalidateBibinfoCache();
reloadBibInfoCache();
// We relied upon the bibinfo cache when recalculating labels. But that
// cache was invalid, although we didn't find that out until now. So we
// have to do it all again.
// That said, the only thing we really need to do is update the citation
// labels. Nothing else will have changed. So we could create a new
// UpdateType that would signal that fact, if we needed to do so.
parit = cbuf.par_iterator_begin();
// we will be re-doing the counters and references and such.
textclass.counters().reset();
clearReferenceCache();
// we should not need to do this again?
// updateMacros();
updateBuffer(parit, utype);
// this will already have been done by reloadBibInfoCache();
// d->bibinfo_cache_valid_ = true;
}
else {
LYXERR(Debug::FILES, "Bibfiles unchanged.");
// this is also set to true on the other path, by reloadBibInfoCache.
d->bibinfo_cache_valid_ = true;
}
d->cite_labels_valid_ = true;
/// FIXME: Perf
clearIncludeList();
cbuf.tocBackend().update(true, utype);
if (scope == UpdateMaster)
cbuf.structureChanged();
d->need_update = false;
}
static depth_type getDepth(DocIterator const & it)
{
depth_type depth = 0;
for (size_t i = 0 ; i < it.depth() ; ++i)
if (!it[i].inset().inMathed())
depth += it[i].paragraph().getDepth() + 1;
// remove 1 since the outer inset does not count
// we should have at least one non-math inset, so
// depth should nevery be 0. but maybe it is worth
// marking this, just in case.
LATTEST(depth > 0);
// coverity[INTEGER_OVERFLOW]
return depth - 1;
}
static depth_type getItemDepth(ParIterator const & it)
{
Paragraph const & par = *it;
LabelType const labeltype = par.layout().labeltype;
if (labeltype != LABEL_ENUMERATE && labeltype != LABEL_ITEMIZE)
return 0;
// this will hold the lowest depth encountered up to now.
depth_type min_depth = getDepth(it);
ParIterator prev_it = it;
while (true) {
if (prev_it.pit())
--prev_it.top().pit();
else {
// start of nested inset: go to outer par
prev_it.pop_back();
if (prev_it.empty()) {
// start of document: nothing to do
return 0;
}
}
// We search for the first paragraph with same label
// that is not more deeply nested.
Paragraph & prev_par = *prev_it;
depth_type const prev_depth = getDepth(prev_it);
if (labeltype == prev_par.layout().labeltype) {
if (prev_depth < min_depth)
return prev_par.itemdepth + 1;
if (prev_depth == min_depth)
return prev_par.itemdepth;
}
min_depth = min(min_depth, prev_depth);
// small optimization: if we are at depth 0, we won't
// find anything else
if (prev_depth == 0)
return 0;
}
}
static bool needEnumCounterReset(ParIterator const & it)
{
Paragraph const & par = *it;
LASSERT(par.layout().labeltype == LABEL_ENUMERATE, return false);
depth_type const cur_depth = par.getDepth();
ParIterator prev_it = it;
while (prev_it.pit()) {
--prev_it.top().pit();
Paragraph const & prev_par = *prev_it;
if (prev_par.getDepth() <= cur_depth)
return prev_par.layout().name() != par.layout().name();
}
// start of nested inset: reset
return true;
}
// set the label of a paragraph. This includes the counters.
void Buffer::Impl::setLabel(ParIterator & it, UpdateType utype) const
{
BufferParams const & bp = owner_->masterBuffer()->params();
DocumentClass const & textclass = bp.documentClass();
Paragraph & par = it.paragraph();
Layout const & layout = par.layout();
Counters & counters = textclass.counters();
if (par.params().startOfAppendix()) {
// We want to reset the counter corresponding to toplevel sectioning
Layout const & lay = textclass.getTOCLayout();
docstring const cnt = lay.counter;
if (!cnt.empty())
counters.reset(cnt);
counters.appendix(true);
}
par.params().appendix(counters.appendix());
// Compute the item depth of the paragraph
par.itemdepth = getItemDepth(it);
if (layout.margintype == MARGIN_MANUAL) {
if (par.params().labelWidthString().empty())
par.params().labelWidthString(par.expandLabel(layout, bp));
} else if (layout.latextype == LATEX_BIB_ENVIRONMENT) {
// we do not need to do anything here, since the empty case is
// handled during export.
} else {
par.params().labelWidthString(docstring());
}
switch(layout.labeltype) {
case LABEL_ITEMIZE: {
par.params().labelString(
(par.itemdepth < 4)
? bp.user_defined_bullet(par.itemdepth).getLabel()
// Display fallback for too deeply nested items
: bformat(from_ascii("[?%1$d]"), int(par.itemdepth + 1)));
break;
}
case LABEL_ENUMERATE: {
docstring enumcounter = layout.counter.empty() ? from_ascii("enum") : layout.counter;
switch (par.itemdepth) {
case 2:
enumcounter += 'i';
// fall through
case 1:
enumcounter += 'i';
// fall through
case 0:
enumcounter += 'i';
break;
case 3:
enumcounter += "iv";
break;
default:
// not a valid enumdepth...
break;
}
if (needEnumCounterReset(it)) {
// Increase the parent counter?
if (layout.stepparentcounter)
counters.stepParent(enumcounter, utype);
// Maybe we have to reset the enumeration counter.
if (!layout.resumecounter)
counters.reset(enumcounter);
}
counters.step(enumcounter, utype);
string const & lang = par.getParLanguage(bp)->code();
par.params().labelString(counters.theCounter(enumcounter, lang));
break;
}
case LABEL_SENSITIVE: {
string const & type = counters.current_float();
docstring full_label;
if (type.empty())
full_label = owner_->B_("Senseless!!! ");
else {
docstring name = owner_->B_(textclass.floats().getType(type).name());
if (counters.hasCounter(from_utf8(type))) {
string const & lang = par.getParLanguage(bp)->code();
counters.step(from_utf8(type), utype);
full_label = bformat(from_ascii("%1$s %2$s:"),
name,
counters.theCounter(from_utf8(type), lang));
} else
full_label = bformat(from_ascii("%1$s #:"), name);
}
par.params().labelString(full_label);
break;
}
case LABEL_NO_LABEL:
par.params().labelString(docstring());
break;
case LABEL_ABOVE:
case LABEL_CENTERED:
case LABEL_STATIC: {
docstring const & lcounter = layout.counter;
if (!lcounter.empty()) {
if (layout.toclevel <= bp.secnumdepth
&& (layout.latextype != LATEX_ENVIRONMENT
|| it.text()->isFirstInSequence(it.pit()))) {
if (counters.hasCounter(lcounter))
counters.step(lcounter, utype);
par.params().labelString(par.expandLabel(layout, bp));
} else
par.params().labelString(docstring());
} else
par.params().labelString(par.expandLabel(layout, bp));
break;
}
case LABEL_MANUAL:
case LABEL_BIBLIO:
par.params().labelString(par.expandLabel(layout, bp));
}
}
void Buffer::updateBuffer(ParIterator & parit, UpdateType utype, bool const deleted) const
{
// if fomatted references are shown in workarea update buffer accordingly
if (params().use_formatted_ref)
utype = OutputUpdate;
pushIncludedBuffer(this);
// LASSERT: Is it safe to continue here, or should we just return?
LASSERT(parit.pit() == 0, /**/);
// Set the position of the text in the buffer to be able
// to resolve macros in it.
parit.text()->setMacrocontextPosition(parit);
depth_type maxdepth = 0;
pit_type const lastpit = parit.lastpit();
bool changed = false;
for ( ; parit.pit() <= lastpit ; ++parit.pit()) {
// reduce depth if necessary
if (parit->params().depth() > maxdepth) {
/** FIXME: this function is const, but
* nevertheless it modifies the buffer. To be
* cleaner, one should modify the buffer in
* another function, which is actually
* non-const. This would however be costly in
* terms of code duplication.
*/
CursorData(parit).recordUndo();
parit->params().depth(maxdepth);
}
maxdepth = parit->getMaxDepthAfter();
if (utype == OutputUpdate) {
// track the active counters
// we have to do this for the master buffer, since the local
// buffer isn't tracking anything.
masterBuffer()->params().documentClass().counters().
setActiveLayout(parit->layout());
}
// set the counter for this paragraph
d->setLabel(parit, utype);
// now the insets
for (auto const & insit : parit->insetList()) {
parit.pos() = insit.pos;
insit.inset->updateBuffer(parit, utype, deleted || parit->isDeleted(insit.pos));
changed |= insit.inset->isChanged();
}
// are there changes in this paragraph?
changed |= parit->isChanged();
}
// set change indicator for the inset (or the cell that the iterator
// points to, if applicable).
parit.text()->inset().isChanged(changed);
popIncludedBuffer();
}
void Buffer::forceUpdate() const
{
d->need_update = true;
}
bool Buffer::needUpdate() const
{
return d->need_update;
}
int Buffer::spellCheck(DocIterator & from, DocIterator & to,
WordLangTuple & word_lang, docstring_list & suggestions) const
{
int progress = 0;
WordLangTuple wl;
suggestions.clear();
word_lang = WordLangTuple();
bool const to_end = to.empty();
DocIterator const end = to_end ? doc_iterator_end(this) : to;
// OK, we start from here.
for (; from != end; from.forwardPos()) {
// This skips all insets with spell check disabled.
while (!from.allowSpellCheck()) {
from.pop_back();
from.pos()++;
}
// If from is at the end of the document (which is possible
// when "from" was changed above) LyX will crash later otherwise.
if (from.atEnd() || (!to_end && from >= end))
break;
to = from;
from.paragraph().spellCheck();
SpellChecker::Result res = from.paragraph().spellCheck(from.pos(), to.pos(), wl, suggestions);
if (SpellChecker::misspelled(res)) {
word_lang = wl;
break;
}
// Do not increase progress when from == to, otherwise the word
// count will be wrong.
if (from != to) {
from = to;
++progress;
}
}
return progress;
}
void Buffer::requestSpellcheck()
{
ParagraphList::iterator pit = paragraphs().begin();
ParagraphList::iterator pend = paragraphs().end();
for (; pit != pend; ++pit)
pit->requestSpellCheck();
}
void Buffer::Impl::updateStatistics(DocIterator & from, DocIterator & to, bool skipNoOutput)
{
bool inword = false;
word_count_ = 0;
char_count_ = 0;
blank_count_ = 0;
for (DocIterator dit = from ; dit != to && !dit.atEnd(); ) {
if (!dit.inTexted()) {
dit.forwardPos();
continue;
}
Paragraph const & par = dit.paragraph();
pos_type const pos = dit.pos();
// Copied and adapted from isWordSeparator() in Paragraph
if (pos == dit.lastpos()) {
inword = false;
} else {
Inset const * ins = par.getInset(pos);
if (ins && skipNoOutput && !ins->producesOutput()) {
// skip this inset
++dit.top().pos();
// stop if end of range was skipped
if (!to.atEnd() && dit >= to)
break;
continue;
} else if (!par.isDeleted(pos)) {
if (par.isWordSeparator(pos))
inword = false;
else if (!inword) {
++word_count_;
inword = true;
}
if (ins && ins->isLetter()) {
odocstringstream os;
ins->toString(os);
char_count_ += os.str().length();
}
else if (ins && ins->isSpace())
++blank_count_;
else if (ins) {
pair<int, int> words = ins->isWords();
char_count_ += words.first;
word_count_ += words.second;
inword = false;
}
else {
char_type const c = par.getChar(pos);
if (isPrintableNonspace(c))
++char_count_;
else if (isSpace(c))
++blank_count_;
}
}
}
dit.forwardPos();
}
}
void Buffer::updateStatistics(DocIterator & from, DocIterator & to, bool skipNoOutput) const
{
d->updateStatistics(from, to, skipNoOutput);
}
int Buffer::wordCount() const
{
return d->wordCount();
}
int Buffer::charCount(bool with_blanks) const
{
return d->charCount(with_blanks);
}
bool Buffer::areChangesPresent() const
{
return inset().isChanged();
}
Buffer::ReadStatus Buffer::reload()
{
setBusy(true);
// c.f. bug https://www.lyx.org/trac/ticket/6587
removeAutosaveFile();
// e.g., read-only status could have changed due to version control
d->filename.refresh();
docstring const disp_fn = makeDisplayPath(d->filename.absFileName());
// clear parent. this will get reset if need be.
Buffer const * oldparent = d->parent();
d->setParent(nullptr);
ReadStatus const status = loadLyXFile();
if (status == ReadSuccess) {
updateBuffer();
changed(true);
updateTitles();
// reset parent if this hasn't been done yet
// but only if this is still its child (e.g.,
// not after the former child has been saved as...)
if (!d->parent() && oldparent && oldparent->isFullyLoaded()
&& oldparent->isChild(this))
d->setParent(oldparent);
markClean();
message(bformat(_("Document %1$s reloaded."), disp_fn));
d->undo_.clear();
} else {
message(bformat(_("Could not reload document %1$s."), disp_fn));
}
setBusy(false);
removePreviews();
updatePreviews();
errors("Parse");
return status;
}
bool Buffer::saveAs(FileName const & fn)
{
FileName const old_name = fileName();
FileName const old_auto = getAutosaveFileName();
bool const old_unnamed = isUnnamed();
bool success = true;
d->old_position = filePath();
setFileName(fn);
markDirty();
setUnnamed(false);
if (save()) {
// bring the autosave file with us, just in case.
moveAutosaveFile(old_auto);
// validate version control data and
// correct buffer title
lyxvc().file_found_hook(fileName());
updateTitles();
// the file has now been saved to the new location.
// we need to check that the locations of child buffers
// are still valid.
checkChildBuffers();
checkMasterBuffer();
} else {
// save failed
// reset the old filename and unnamed state
setFileName(old_name);
setUnnamed(old_unnamed);
success = false;
}
d->old_position.clear();
return success;
}
void Buffer::checkChildBuffers()
{
for (auto const & bit : d->children_positions) {
DocIterator dit = bit.second;
Buffer * cbuf = const_cast<Buffer *>(bit.first);
if (!cbuf || !theBufferList().isLoaded(cbuf))
continue;
Inset * inset = dit.nextInset();
LASSERT(inset && inset->lyxCode() == INCLUDE_CODE, continue);
InsetInclude * inset_inc = static_cast<InsetInclude *>(inset);
docstring const & incfile = inset_inc->getParam("filename");
string oldloc = cbuf->absFileName();
string newloc = makeAbsPath(to_utf8(incfile),
onlyPath(absFileName())).absFileName();
if (oldloc == newloc)
continue;
// the location of the child file is incorrect.
cbuf->setParent(nullptr);
inset_inc->setChildBuffer(nullptr);
}
// invalidate cache of children
d->children_positions.clear();
d->position_to_children.clear();
}
// If a child has been saved under a different name/path, it might have been
// orphaned. Therefore the master needs to be reset (bug 8161).
void Buffer::checkMasterBuffer()
{
Buffer const * const master = masterBuffer();
if (master == this)
return;
// necessary to re-register the child (bug 5873)
// FIXME: clean up updateMacros (here, only
// child registering is needed).
master->updateMacros();
// (re)set master as master buffer, but only
// if we are a real child
if (master->isChild(this))
setParent(master);
else
setParent(nullptr);
}
string Buffer::includedFilePath(string const & name, string const & ext) const
{
if (d->old_position.empty() ||
equivalent(FileName(d->old_position), FileName(filePath())))
return name;
bool isabsolute = FileName::isAbsolute(name);
// both old_position and filePath() end with a path separator
string absname = isabsolute ? name : d->old_position + name;
// if old_position is set to origin, we need to do the equivalent of
// getReferencedFileName() (see readDocument())
if (!isabsolute && d->old_position == params().origin) {
FileName const test(addExtension(filePath() + name, ext));
if (test.exists())
absname = filePath() + name;
}
if (!FileName(addExtension(absname, ext)).exists())
return name;
if (isabsolute)
return to_utf8(makeRelPath(from_utf8(name), from_utf8(filePath())));
return to_utf8(makeRelPath(from_utf8(FileName(absname).realPath()),
from_utf8(filePath())));
}
void Buffer::Impl::refreshFileMonitor()
{
if (file_monitor_ && file_monitor_->filename() == filename.absFileName()) {
file_monitor_->refresh();
return;
}
// The previous file monitor is invalid
// This also destroys the previous file monitor and all its connections
file_monitor_ = FileSystemWatcher::monitor(filename);
// file_monitor_ will be destroyed with *this, so it is not going to call a
// destroyed object method.
file_monitor_->connect([this](bool exists) {
fileExternallyModified(exists);
});
}
void Buffer::Impl::fileExternallyModified(bool const exists)
{
// ignore notifications after our own saving operations
if (checksum_ == filename.checksum()) {
LYXERR(Debug::FILES, "External modification but "
"checksum unchanged: " << filename);
return;
}
lyx_clean = false;
// If the file has been deleted, only mark the file as dirty since it is
// pointless to prompt for reloading. If later a file is moved into this
// location, then the externally modified warning will appear then.
if (exists)
externally_modified_ = true;
// Update external modification notification.
// Dirty buffers must be visible at all times.
if (wa_ && wa_->unhide(owner_)) {
wa_->updateTitles();
if (!exists) {
frontend::Alert::warning(
_("File deleted from disk"),
bformat(_("The file\n %1$s\n"
"has been deleted from disk!"),
from_utf8(filename.absFileName())));
}
}
else
// Unable to unhide the buffer (e.g. no GUI or not current View)
lyx_clean = true;
}
bool Buffer::notifiesExternalModification() const
{
return d->externally_modified_;
}
void Buffer::clearExternalModification() const
{
d->externally_modified_ = false;
if (d->wa_)
d->wa_->updateTitles();
}
void Buffer::pushIncludedBuffer(Buffer const * buf) const
{
masterBuffer()->d->include_list_.push_back(buf);
if (lyxerr.debugging(Debug::FILES)) {
LYXERR0("Pushed. Stack now:");
if (masterBuffer()->d->include_list_.empty())
LYXERR0("EMPTY!");
else
for (auto const & b : masterBuffer()->d->include_list_)
LYXERR0(b->fileName());
}
}
void Buffer::popIncludedBuffer() const
{
masterBuffer()->d->include_list_.pop_back();
if (lyxerr.debugging(Debug::FILES)) {
LYXERR0("Popped. Stack now:");
if (masterBuffer()->d->include_list_.empty())
LYXERR0("EMPTY!");
else
for (auto const & b : masterBuffer()->d->include_list_)
LYXERR0(b->fileName());
}
}
bool Buffer::isBufferIncluded(Buffer const * buf) const
{
if (!buf)
return false;
if (lyxerr.debugging(Debug::FILES)) {
LYXERR0("Checking for " << buf->fileName() << ". Stack now:");
if (masterBuffer()->d->include_list_.empty())
LYXERR0("EMPTY!");
else
for (auto const & b : masterBuffer()->d->include_list_)
LYXERR0(b->fileName());
}
list<Buffer const *> const & blist = masterBuffer()->d->include_list_;
return find(blist.begin(), blist.end(), buf) != blist.end();
}
void Buffer::clearIncludeList() const
{
LYXERR(Debug::FILES, "Clearing include list for " << fileName());
d->include_list_.clear();
}
} // namespace lyx
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