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lyx_mirror/src/insets/InsetBibtex.cpp
Guillaume Munch 670efa8f64 Rationalise includes 
Modifying TexRow.h or texstream.h no longer triggers the recompilation of the
complete source tree.
2016-07-04 02:42:17 +02:00

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/**
* \file InsetBibtex.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Alejandro Aguilar Sierra
* \author Richard Heck (BibTeX parser improvements)
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "InsetBibtex.h"
#include "BiblioInfo.h"
#include "Buffer.h"
#include "BufferParams.h"
#include "Cursor.h"
#include "DispatchResult.h"
#include "Encoding.h"
#include "Exporter.h"
#include "Format.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
#include "LaTeXFeatures.h"
#include "output_xhtml.h"
#include "OutputParams.h"
#include "PDFOptions.h"
#include "texstream.h"
#include "TextClass.h"
#include "frontends/alert.h"
#include "support/convert.h"
#include "support/debug.h"
#include "support/docstream.h"
#include "support/ExceptionMessage.h"
#include "support/FileNameList.h"
#include "support/filetools.h"
#include "support/gettext.h"
#include "support/lstrings.h"
#include "support/os.h"
#include "support/PathChanger.h"
#include "support/textutils.h"
#include <limits>
using namespace std;
using namespace lyx::support;
namespace lyx {
namespace Alert = frontend::Alert;
namespace os = support::os;
InsetBibtex::InsetBibtex(Buffer * buf, InsetCommandParams const & p)
: InsetCommand(buf, p)
{
buffer().invalidateBibfileCache();
buffer().removeBiblioTempFiles();
}
InsetBibtex::~InsetBibtex()
{
if (isBufferLoaded()) {
buffer().invalidateBibfileCache();
buffer().removeBiblioTempFiles();
}
}
ParamInfo const & InsetBibtex::findInfo(string const & /* cmdName */)
{
static ParamInfo param_info_;
if (param_info_.empty()) {
param_info_.add("btprint", ParamInfo::LATEX_OPTIONAL);
param_info_.add("bibfiles", ParamInfo::LATEX_REQUIRED);
param_info_.add("options", ParamInfo::LYX_INTERNAL);
}
return param_info_;
}
void InsetBibtex::doDispatch(Cursor & cur, FuncRequest & cmd)
{
switch (cmd.action()) {
case LFUN_INSET_EDIT:
editDatabases();
break;
case LFUN_INSET_MODIFY: {
InsetCommandParams p(BIBTEX_CODE);
try {
if (!InsetCommand::string2params(to_utf8(cmd.argument()), p)) {
cur.noScreenUpdate();
break;
}
} catch (ExceptionMessage const & message) {
if (message.type_ == WarningException) {
Alert::warning(message.title_, message.details_);
cur.noScreenUpdate();
} else
throw;
break;
}
cur.recordUndo();
setParams(p);
buffer().invalidateBibfileCache();
buffer().removeBiblioTempFiles();
cur.forceBufferUpdate();
break;
}
default:
InsetCommand::doDispatch(cur, cmd);
break;
}
}
bool InsetBibtex::getStatus(Cursor & cur, FuncRequest const & cmd,
FuncStatus & flag) const
{
switch (cmd.action()) {
case LFUN_INSET_EDIT:
flag.setEnabled(true);
return true;
default:
return InsetCommand::getStatus(cur, cmd, flag);
}
}
void InsetBibtex::editDatabases() const
{
vector<docstring> bibfilelist = getVectorFromString(getParam("bibfiles"));
if (bibfilelist.empty())
return;
int nr_databases = bibfilelist.size();
if (nr_databases > 1) {
docstring message = bformat(_("The BibTeX inset includes %1$s databases.\n"
"If you proceed, all of them will be opened."),
convert<docstring>(nr_databases));
int const ret = Alert::prompt(_("Open Databases?"),
message, 0, 1, _("&Cancel"), _("&Proceed"));
if (ret == 0)
return;
}
vector<docstring>::const_iterator it = bibfilelist.begin();
vector<docstring>::const_iterator en = bibfilelist.end();
for (; it != en; ++it) {
FileName const bibfile = getBibTeXPath(*it, buffer());
formats.edit(buffer(), bibfile,
formats.getFormatFromFile(bibfile));
}
}
docstring InsetBibtex::screenLabel() const
{
return _("BibTeX Generated Bibliography");
}
docstring InsetBibtex::toolTip(BufferView const & /*bv*/, int /*x*/, int /*y*/) const
{
docstring tip = _("Databases:");
vector<docstring> bibfilelist = getVectorFromString(getParam("bibfiles"));
tip += "<ul>";
if (bibfilelist.empty())
tip += "<li>" + _("none") + "</li>";
else
for (docstring const & bibfile : bibfilelist)
tip += "<li>" + bibfile + "</li>";
tip += "</ul>";
// Style-Options
bool toc = false;
docstring style = getParam("options"); // maybe empty! and with bibtotoc
docstring bibtotoc = from_ascii("bibtotoc");
if (prefixIs(style, bibtotoc)) {
toc = true;
if (contains(style, char_type(',')))
style = split(style, bibtotoc, char_type(','));
}
tip += _("Style File:");
tip += "<ul><li>" + (style.empty() ? _("none") : style) + "</li></ul>";
tip += _("Lists:") + " ";
docstring btprint = getParam("btprint");
if (btprint == "btPrintAll")
tip += _("all references");
else if (btprint == "btPrintNotCited")
tip += _("all uncited references");
else
tip += _("all cited references");
if (toc) {
tip += ", ";
tip += _("included in TOC");
}
return tip;
}
static string normalizeName(Buffer const & buffer,
OutputParams const & runparams, string const & name, string const & ext)
{
string const fname = makeAbsPath(name, buffer.filePath()).absFileName();
if (FileName::isAbsolute(name) || !FileName(fname + ext).isReadableFile())
return name;
if (!runparams.nice)
return fname;
// FIXME UNICODE
return to_utf8(makeRelPath(from_utf8(fname),
from_utf8(buffer.masterBuffer()->filePath())));
}
void InsetBibtex::latex(otexstream & os, OutputParams const & runparams) const
{
// the sequence of the commands:
// 1. \bibliographystyle{style}
// 2. \addcontentsline{...} - if option bibtotoc set
// 3. \bibliography{database}
// and with bibtopic:
// 1. \bibliographystyle{style}
// 2. \begin{btSect}{database}
// 3. \btPrint{Cited|NotCited|All}
// 4. \end{btSect}
// Database(s)
// 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<docstring> bibfilelist = getVectorFromString(getParam("bibfiles"));
vector<docstring>::const_iterator it = bibfilelist.begin();
vector<docstring>::const_iterator en = bibfilelist.end();
odocstringstream dbs;
bool didone = false;
// determine the export format
string const tex_format = flavor2format(runparams.flavor);
for (; it != en; ++it) {
string utf8input = to_utf8(*it);
string database =
normalizeName(buffer(), runparams, utf8input, ".bib");
FileName const try_in_file =
makeAbsPath(database + ".bib", buffer().filePath());
bool const not_from_texmf = try_in_file.isReadableFile();
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",
buffer().masterBuffer()->temppath());
bool const success = in_file.copyTo(out_file);
if (!success) {
lyxerr << "Failed to copy '" << in_file
<< "' to '" << out_file << "'"
<< endl;
}
} 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 (didone)
dbs << ',';
else
didone = true;
// FIXME UNICODE
dbs << from_utf8(latex_path(database));
}
docstring const db_out = dbs.str();
// Post this warning only once.
static bool warned_about_spaces = false;
if (!warned_about_spaces &&
runparams.nice && db_out.find(' ') != docstring::npos) {
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."));
}
// Style-Options
string style = to_utf8(getParam("options")); // maybe empty! and with bibtotoc
string bibtotoc;
if (prefixIs(style, "bibtotoc")) {
bibtotoc = "bibtotoc";
if (contains(style, ','))
style = split(style, bibtotoc, ',');
}
if (style == "default")
style = buffer().params().biblio_style;
if (!style.empty() && !buffer().params().use_bibtopic) {
string base = normalizeName(buffer(), runparams, style, ".bst");
FileName const try_in_file =
makeAbsPath(base + ".bst", buffer().filePath());
bool const not_from_texmf = try_in_file.isReadableFile();
// If this style does not come from texmf and we are not
// exporting to .tex copy it to the tmp directory.
// This prevents problems with spaces and 8bit charcaters
// in the file name.
if (!runparams.inComment && !runparams.dryrun && !runparams.nice &&
not_from_texmf) {
// use new style name
DocFileName const in_file = DocFileName(try_in_file);
base = removeExtension(in_file.mangledFileName());
FileName const out_file = makeAbsPath(base + ".bst",
buffer().masterBuffer()->temppath());
bool const success = in_file.copyTo(out_file);
if (!success) {
lyxerr << "Failed to copy '" << in_file
<< "' to '" << out_file << "'"
<< endl;
}
}
// FIXME UNICODE
os << "\\bibliographystyle{"
<< from_utf8(latex_path(normalizeName(buffer(), runparams, base, ".bst")))
<< "}\n";
}
// Post this warning only once.
static bool warned_about_bst_spaces = false;
if (!warned_about_bst_spaces && runparams.nice && contains(style, ' ')) {
warned_about_bst_spaces = true;
Alert::warning(_("Export Warning!"),
_("There are spaces in the path to your BibTeX style file.\n"
"BibTeX will be unable to find it."));
}
if (!db_out.empty() && buffer().params().use_bibtopic) {
os << "\\begin{btSect}";
if (!style.empty())
os << "[" << style << "]";
os << "{" << db_out << "}\n";
docstring btprint = getParam("btprint");
if (btprint.empty())
// default
btprint = from_ascii("btPrintCited");
os << "\\" << btprint << "\n"
<< "\\end{btSect}\n";
}
// bibtotoc-Option
if (!bibtotoc.empty() && !buffer().params().use_bibtopic) {
// set label for hyperref, see http://www.lyx.org/trac/ticket/6470
if (buffer().params().pdfoptions().use_hyperref)
os << "\\phantomsection";
if (buffer().params().documentClass().hasLaTeXLayout("chapter"))
os << "\\addcontentsline{toc}{chapter}{\\bibname}";
else if (buffer().params().documentClass().hasLaTeXLayout("section"))
os << "\\addcontentsline{toc}{section}{\\refname}";
}
if (!db_out.empty() && !buffer().params().use_bibtopic) {
docstring btprint = getParam("btprint");
if (btprint == "btPrintAll") {
os << "\\nocite{*}\n";
}
os << "\\bibliography{" << db_out << "}\n";
}
}
support::FileNameList InsetBibtex::getBibFiles() const
{
FileName path(buffer().filePath());
support::PathChanger p(path);
support::FileNameList vec;
vector<docstring> bibfilelist = getVectorFromString(getParam("bibfiles"));
vector<docstring>::const_iterator it = bibfilelist.begin();
vector<docstring>::const_iterator en = bibfilelist.end();
for (; it != en; ++it) {
FileName const file = getBibTeXPath(*it, buffer());
if (!file.empty())
vec.push_back(file);
else
LYXERR0("Couldn't find " + to_utf8(*it) + " in InsetBibtex::getBibFiles()!");
}
return vec;
}
namespace {
// methods for parsing bibtex files
typedef map<docstring, docstring> VarMap;
/// remove whitespace characters, optionally a single comma,
/// and further whitespace characters from the stream.
/// @return true if a comma was found, false otherwise
///
bool removeWSAndComma(ifdocstream & ifs) {
char_type ch;
if (!ifs)
return false;
// skip whitespace
do {
ifs.get(ch);
} while (ifs && isSpace(ch));
if (!ifs)
return false;
if (ch != ',') {
ifs.putback(ch);
return false;
}
// skip whitespace
do {
ifs.get(ch);
} while (ifs && isSpace(ch));
if (ifs) {
ifs.putback(ch);
}
return true;
}
enum charCase {
makeLowerCase,
keepCase
};
/// remove whitespace characters, read characer sequence
/// not containing whitespace characters or characters in
/// delimChars, and remove further whitespace characters.
///
/// @return true if a string of length > 0 could be read.
///
bool readTypeOrKey(docstring & val, ifdocstream & ifs,
docstring const & delimChars, docstring const & illegalChars,
charCase chCase) {
char_type ch;
val.clear();
if (!ifs)
return false;
// skip whitespace
do {
ifs.get(ch);
} while (ifs && isSpace(ch));
if (!ifs)
return false;
// read value
bool legalChar = true;
while (ifs && !isSpace(ch) &&
delimChars.find(ch) == docstring::npos &&
(legalChar = (illegalChars.find(ch) == docstring::npos))
)
{
if (chCase == makeLowerCase)
val += lowercase(ch);
else
val += ch;
ifs.get(ch);
}
if (!legalChar) {
ifs.putback(ch);
return false;
}
// skip whitespace
while (ifs && isSpace(ch)) {
ifs.get(ch);
}
if (ifs) {
ifs.putback(ch);
}
return val.length() > 0;
}
/// read subsequent bibtex values that are delimited with a #-character.
/// Concatenate all parts and replace names with the associated string in
/// the variable strings.
/// @return true if reading was successfull (all single parts were delimited
/// correctly)
bool readValue(docstring & val, ifdocstream & ifs, const VarMap & strings) {
char_type ch;
val.clear();
if (!ifs)
return false;
do {
// skip whitespace
do {
ifs.get(ch);
} while (ifs && isSpace(ch));
if (!ifs)
return false;
// check for field type
if (isDigitASCII(ch)) {
// read integer value
do {
val += ch;
ifs.get(ch);
} while (ifs && isDigitASCII(ch));
if (!ifs)
return false;
} else if (ch == '"' || ch == '{') {
// set end delimiter
char_type delim = ch == '"' ? '"': '}';
// Skip whitespace
do {
ifs.get(ch);
} while (ifs && isSpace(ch));
if (!ifs)
return false;
// We now have the first non-whitespace character
// We'll collapse adjacent whitespace.
bool lastWasWhiteSpace = false;
// inside this delimited text braces must match.
// Thus we can have a closing delimiter only
// when nestLevel == 0
int nestLevel = 0;
while (ifs && (nestLevel > 0 || ch != delim)) {
if (isSpace(ch)) {
lastWasWhiteSpace = true;
ifs.get(ch);
continue;
}
// We output the space only after we stop getting
// whitespace so as not to output any whitespace
// at the end of the value.
if (lastWasWhiteSpace) {
lastWasWhiteSpace = false;
val += ' ';
}
val += ch;
// update nesting level
switch (ch) {
case '{':
++nestLevel;
break;
case '}':
--nestLevel;
if (nestLevel < 0)
return false;
break;
}
if (ifs)
ifs.get(ch);
}
if (!ifs)
return false;
// FIXME Why is this here?
ifs.get(ch);
if (!ifs)
return false;
} else {
// reading a string name
docstring strName;
while (ifs && !isSpace(ch) && ch != '#' && ch != ',' && ch != '}' && ch != ')') {
strName += lowercase(ch);
ifs.get(ch);
}
if (!ifs)
return false;
// replace the string with its assigned value or
// discard it if it's not assigned
if (strName.length()) {
VarMap::const_iterator pos = strings.find(strName);
if (pos != strings.end()) {
val += pos->second;
}
}
}
// skip WS
while (ifs && isSpace(ch)) {
ifs.get(ch);
}
if (!ifs)
return false;
// continue reading next value on concatenate with '#'
} while (ch == '#');
ifs.putback(ch);
return true;
}
}
void InsetBibtex::collectBibKeys(InsetIterator const & /*di*/) const
{
parseBibTeXFiles();
}
void InsetBibtex::parseBibTeXFiles() const
{
// This bibtex parser is a first step to parse bibtex files
// more precisely.
//
// - it reads the whole bibtex entry and does a syntax check
// (matching delimiters, missing commas,...
// - it recovers from errors starting with the next @-character
// - it reads @string definitions and replaces them in the
// field values.
// - it accepts more characters in keys or value names than
// bibtex does.
//
// Officially bibtex does only support ASCII, but in practice
// you can use the encoding of the main document as long as
// some elements like keys and names are pure ASCII. Therefore
// we convert the file from the buffer encoding.
// We don't restrict keys to ASCII in LyX, since our own
// InsetBibitem can generate non-ASCII keys, and nonstandard
// 8bit clean bibtex forks exist.
BiblioInfo keylist;
support::FileNameList const files = getBibFiles();
support::FileNameList::const_iterator it = files.begin();
support::FileNameList::const_iterator en = files.end();
for (; it != en; ++ it) {
ifdocstream ifs(it->toFilesystemEncoding().c_str(),
ios_base::in, buffer().params().encoding().iconvName());
char_type ch;
VarMap strings;
while (ifs) {
ifs.get(ch);
if (!ifs)
break;
if (ch != '@')
continue;
docstring entryType;
if (!readTypeOrKey(entryType, ifs, from_ascii("{("), docstring(), makeLowerCase)) {
lyxerr << "BibTeX Parser: Error reading entry type." << std::endl;
continue;
}
if (!ifs) {
lyxerr << "BibTeX Parser: Unexpected end of file." << std::endl;
continue;
}
if (entryType == from_ascii("comment")) {
ifs.ignore(numeric_limits<int>::max(), '\n');
continue;
}
ifs.get(ch);
if (!ifs) {
lyxerr << "BibTeX Parser: Unexpected end of file." << std::endl;
break;
}
if ((ch != '(') && (ch != '{')) {
lyxerr << "BibTeX Parser: Invalid entry delimiter." << std::endl;
ifs.putback(ch);
continue;
}
// process the entry
if (entryType == from_ascii("string")) {
// read string and add it to the strings map
// (or replace it's old value)
docstring name;
docstring value;
if (!readTypeOrKey(name, ifs, from_ascii("="), from_ascii("#{}(),"), makeLowerCase)) {
lyxerr << "BibTeX Parser: Error reading string name." << std::endl;
continue;
}
if (!ifs) {
lyxerr << "BibTeX Parser: Unexpected end of file." << std::endl;
continue;
}
// next char must be an equal sign
ifs.get(ch);
if (!ifs || ch != '=') {
lyxerr << "BibTeX Parser: No `=' after string name: " <<
name << "." << std::endl;
continue;
}
if (!readValue(value, ifs, strings)) {
lyxerr << "BibTeX Parser: Unable to read value for string: " <<
name << "." << std::endl;
continue;
}
strings[name] = value;
} else if (entryType == from_ascii("preamble")) {
// preamble definitions are discarded.
// can they be of any use in lyx?
docstring value;
if (!readValue(value, ifs, strings)) {
lyxerr << "BibTeX Parser: Unable to read preamble value." << std::endl;
continue;
}
} else {
// Citation entry. Try to read the key.
docstring key;
if (!readTypeOrKey(key, ifs, from_ascii(","), from_ascii("}"), keepCase)) {
lyxerr << "BibTeX Parser: Unable to read key for entry type:" <<
entryType << "." << std::endl;
continue;
}
if (!ifs) {
lyxerr << "BibTeX Parser: Unexpected end of file." << std::endl;
continue;
}
/////////////////////////////////////////////
// now we have a key, so we will add an entry
// (even if it's empty, as bibtex does)
//
// we now read the field = value pairs.
// all items must be separated by a comma. If
// it is missing the scanning of this entry is
// stopped and the next is searched.
docstring name;
docstring value;
docstring data;
BibTeXInfo keyvalmap(key, entryType);
bool readNext = removeWSAndComma(ifs);
while (ifs && readNext) {
// read field name
if (!readTypeOrKey(name, ifs, from_ascii("="),
from_ascii("{}(),"), makeLowerCase) || !ifs)
break;
// next char must be an equal sign
// FIXME Whitespace??
ifs.get(ch);
if (!ifs) {
lyxerr << "BibTeX Parser: Unexpected end of file." << std::endl;
break;
}
if (ch != '=') {
lyxerr << "BibTeX Parser: Missing `=' after field name: " <<
name << ", for key: " << key << "." << std::endl;
ifs.putback(ch);
break;
}
// read field value
if (!readValue(value, ifs, strings)) {
lyxerr << "BibTeX Parser: Unable to read value for field: " <<
name << ", for key: " << key << "." << std::endl;
break;
}
keyvalmap[name] = value;
data += "\n\n" + value;
keylist.addFieldName(name);
readNext = removeWSAndComma(ifs);
}
// add the new entry
keylist.addEntryType(entryType);
keyvalmap.setAllData(data);
keylist[key] = keyvalmap;
} //< else (citation entry)
} //< searching '@'
} //< for loop over files
buffer().addBiblioInfo(keylist);
}
FileName InsetBibtex::getBibTeXPath(docstring const & filename, Buffer const & buf)
{
string texfile = changeExtension(to_utf8(filename), "bib");
// note that, if the filename can be found directly from the path,
// findtexfile will just return a FileName object for that path.
FileName file(findtexfile(texfile, "bib"));
if (file.empty())
file = FileName(makeAbsPath(texfile, buf.filePath()));
return file;
}
bool InsetBibtex::addDatabase(docstring const & db)
{
docstring bibfiles = getParam("bibfiles");
if (tokenPos(bibfiles, ',', db) != -1)
return false;
if (!bibfiles.empty())
bibfiles += ',';
setParam("bibfiles", bibfiles + db);
return true;
}
bool InsetBibtex::delDatabase(docstring const & db)
{
docstring bibfiles = getParam("bibfiles");
if (contains(bibfiles, db)) {
int const n = tokenPos(bibfiles, ',', db);
docstring bd = db;
if (n > 0) {
// this is not the first database
docstring tmp = ',' + bd;
setParam("bibfiles", subst(bibfiles, tmp, docstring()));
} else if (n == 0)
// this is the first (or only) database
setParam("bibfiles", split(bibfiles, bd, ','));
else
return false;
}
return true;
}
void InsetBibtex::validate(LaTeXFeatures & features) const
{
if (features.bufferParams().use_bibtopic)
features.require("bibtopic");
// FIXME XHTML
// It'd be better to be able to get this from an InsetLayout, but at present
// InsetLayouts do not seem really to work for things that aren't InsetTexts.
if (features.runparams().flavor == OutputParams::HTML)
features.addCSSSnippet("div.bibtexentry { margin-left: 2em; text-indent: -2em; }\n"
"span.bibtexlabel:before{ content: \"[\"; }\n"
"span.bibtexlabel:after{ content: \"] \"; }");
}
int InsetBibtex::plaintext(odocstringstream & os,
OutputParams const & op, size_t max_length) const
{
docstring const reflabel = buffer().B_("References");
// We could output more information here, e.g., what databases are included
// and information about options. But I don't necessarily see any reason to
// do this right now.
if (op.for_tooltip || op.for_toc || op.for_search) {
os << '[' << reflabel << ']' << '\n';
return PLAINTEXT_NEWLINE;
}
BiblioInfo bibinfo = buffer().masterBibInfo();
bibinfo.makeCitationLabels(buffer());
vector<docstring> const & cites = bibinfo.citedEntries();
size_t start_size = os.str().size();
docstring refoutput;
refoutput += reflabel + "\n\n";
// Now we loop over the entries
vector<docstring>::const_iterator vit = cites.begin();
vector<docstring>::const_iterator const ven = cites.end();
for (; vit != ven; ++vit) {
if (start_size + refoutput.size() >= max_length)
break;
BiblioInfo::const_iterator const biit = bibinfo.find(*vit);
if (biit == bibinfo.end())
continue;
BibTeXInfo const & entry = biit->second;
refoutput += "[" + entry.label() + "] ";
// FIXME Right now, we are calling BibInfo::getInfo on the key,
// which will give us all the cross-referenced info. But for every
// entry, so there's a lot of repitition. This should be fixed.
refoutput += bibinfo.getInfo(entry.key(), buffer(), false) + "\n\n";
}
os << refoutput;
return refoutput.size();
}
// FIXME
// docstring InsetBibtex::entriesAsXHTML(vector<docstring> const & entries)
// And then here just: entriesAsXHTML(buffer().masterBibInfo().citedEntries())
docstring InsetBibtex::xhtml(XHTMLStream & xs, OutputParams const &) const
{
BiblioInfo const & bibinfo = buffer().masterBibInfo();
bool const all_entries = getParam("btprint") == "btPrintAll";
vector<docstring> const & cites =
all_entries ? bibinfo.getKeys() : bibinfo.citedEntries();
docstring const reflabel = buffer().B_("References");
xs << html::StartTag("h2", "class='bibtex'")
<< reflabel
<< html::EndTag("h2")
<< html::StartTag("div", "class='bibtex'");
// Now we loop over the entries
vector<docstring>::const_iterator vit = cites.begin();
vector<docstring>::const_iterator const ven = cites.end();
for (; vit != ven; ++vit) {
BiblioInfo::const_iterator const biit = bibinfo.find(*vit);
if (biit == bibinfo.end())
continue;
BibTeXInfo const & entry = biit->second;
string const attr = "class='bibtexentry' id='LyXCite-"
+ to_utf8(html::cleanAttr(entry.key())) + "'";
xs << html::StartTag("div", attr);
// don't print labels if we're outputting all entries
if (!all_entries) {
xs << html::StartTag("span", "class='bibtexlabel'")
<< entry.label()
<< html::EndTag("span");
}
// FIXME Right now, we are calling BibInfo::getInfo on the key,
// which will give us all the cross-referenced info. But for every
// entry, so there's a lot of repitition. This should be fixed.
xs << html::StartTag("span", "class='bibtexinfo'")
<< XHTMLStream::ESCAPE_AND
<< bibinfo.getInfo(entry.key(), buffer(), true)
<< html::EndTag("span")
<< html::EndTag("div")
<< html::CR();
}
xs << html::EndTag("div");
return docstring();
}
void InsetBibtex::write(ostream & os) const
{
params().Write(os, &buffer());
}
string InsetBibtex::contextMenuName() const
{
return "context-bibtex";
}
} // namespace lyx
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