lyx_mirror/src/Exporter.cpp

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/**
* \file Exporter.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author unknown
* \author Alfredo Braunstein
* \author Lars Gullik Bj<EFBFBD>nnes
* \author Jean Marc Lasgouttes
* \author Angus Leeming
* \author John Levon
* \author Andr<EFBFBD> P<EFBFBD>nitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "Exporter.h"
#include "Buffer.h"
#include "buffer_funcs.h"
#include "BufferParams.h"
#include "Converter.h"
#include "Format.h"
#include "gettext.h"
#include "LyXRC.h"
#include "Mover.h"
#include "output_plaintext.h"
#include "OutputParams.h"
#include "frontends/alert.h"
#include "support/filetools.h"
#include "support/lyxlib.h"
Rename files in src/support, step one. src/support/package.h src/support/Package.h Package src/support/package.C.in src/support/Package.C.in Package src/support/path.h src/support/Path.h Path src/support/fs_extras.h src/support/fs_extras.h NOCLASSES src/support/RandomAccessList.h src/support/RandomAccessList.h RandomAccessList src/support/lyxmanip.h src/support/lyxmanip.h NOCLASSES src/support/rename.C src/support/rename.cpp NOCLASSES src/support/abort.C src/support/abort.cpp NOCLASSES src/support/lyxlib.h src/support/lyxlib.h NOCLASSES src/support/ExceptionMessage.h src/support/ExceptionMessage.h ExceptionMessage src/support/copy.C src/support/copy.cpp NOCLASSES src/support/limited_stack.h src/support/limited_stack.h limited_stack src/support/filefilterlist.C src/support/FileFilterList.cpp ['FileFilterList', 'Filter'] src/support/cow_ptr.h src/support/cow_ptr.h cow_ptr src/support/os_unix.C src/support/os_unix.cpp NOCLASSES src/support/socktools.h src/support/socktools.h NOCLASSES src/support/forkedcontr.h src/support/ForkedcallsController.h ForkedcallsController src/support/os.h src/support/os.h NOCLASSES src/support/FileMonitor.h src/support/FileMonitor.h FileMonitor src/support/copied_ptr.h src/support/copied_ptr.h copied_ptr src/support/translator.h src/support/Translator.h Translator src/support/filetools.C src/support/filetools.cpp NOCLASSES src/support/unlink.C src/support/unlink.cpp NOCLASSES src/support/os_win32.C src/support/os_win32.cpp GetFolderPath src/support/lstrings.C src/support/lstrings.cpp NOCLASSES src/support/qstring_helpers.C src/support/qstring_helpers.cpp NOCLASSES src/support/getcwd.C src/support/getcwd.cpp NOCLASSES src/support/systemcall.C src/support/Systemcall.cpp Systemcall src/support/lyxalgo.h src/support/lyxalgo.h NOCLASSES src/support/filefilterlist.h src/support/FileFilterList.h ['FileFilterList', 'Filter'] src/support/unicode.C src/support/unicode.cpp IconvProcessor src/support/userinfo.C src/support/userinfo.cpp NOCLASSES src/support/lyxtime.C src/support/lyxtime.cpp NOCLASSES src/support/kill.C src/support/kill.cpp NOCLASSES src/support/docstring.C src/support/docstring.cpp to_local8bit_failure src/support/os_cygwin.C src/support/os_cygwin.cpp NOCLASSES src/support/lyxsum.C src/support/lyxsum.cpp NOCLASSES src/support/environment.C src/support/environment.cpp NOCLASSES src/support/filetools.h src/support/filetools.h NOCLASSES src/support/textutils.C src/support/textutils.cpp NOCLASSES src/support/mkdir.C src/support/mkdir.cpp NOCLASSES src/support/forkedcall.C src/support/Forkedcall.cpp ['ForkedProcess', 'Forkedcall'] src/support/tempname.C src/support/tempname.cpp NOCLASSES src/support/os_win32.h src/support/os_win32.h GetFolderPath src/support/types.h src/support/types.h NOCLASSES src/support/lstrings.h src/support/lstrings.h NOCLASSES src/support/forkedcallqueue.C src/support/ForkedCallQueue.cpp ForkedCallQueue src/support/qstring_helpers.h src/support/qstring_helpers.h NOCLASSES src/support/convert.C src/support/convert.cpp NOCLASSES src/support/filename.C src/support/FileName.cpp ['FileName', 'DocFileName'] src/support/tests/convert.C src/support/tests/convert.cpp NOCLASSES src/support/tests/filetools.C src/support/tests/filetools.cpp NOCLASSES src/support/tests/lstrings.C src/support/tests/lstrings.cpp NOCLASSES src/support/tests/boost.C src/support/tests/boost.cpp NOCLASSES src/support/docstream.C src/support/docstream.cpp ['iconv_codecvt_facet_exception', 'idocfstream', 'odocfstream'] src/support/std_istream.h src/support/std_istream.h NOCLASSES src/support/systemcall.h src/support/Systemcall.h Systemcall src/support/chdir.C src/support/chdir.cpp NOCLASSES src/support/std_ostream.h src/support/std_ostream.h NOCLASSES src/support/unicode.h src/support/unicode.h IconvProcessor src/support/path.C src/support/Path.cpp Path src/support/fs_extras.C src/support/fs_extras.cpp NOCLASSES src/support/userinfo.h src/support/userinfo.h NOCLASSES src/support/lyxtime.h src/support/lyxtime.h NOCLASSES src/support/docstring.h src/support/docstring.h to_local8bit_failure src/support/debugstream.h src/support/debugstream.h basic_debugstream src/support/environment.h src/support/environment.h NOCLASSES src/support/textutils.h src/support/textutils.h NOCLASSES src/support/forkedcall.h src/support/Forkedcall.h ['ForkedProcess', 'Forkedcall'] src/support/socktools.C src/support/socktools.cpp NOCLASSES src/support/forkedcallqueue.h src/support/ForkedCallQueue.h ForkedCallQueue src/support/forkedcontr.C src/support/ForkedcallsController.cpp ForkedcallsController src/support/os.C src/support/os.cpp NOCLASSES src/support/convert.h src/support/convert.h NOCLASSES src/support/filename.h src/support/FileName.h ['FileName', 'DocFileName'] src/support/docstream.h src/support/docstream.h ['iconv_codecvt_facet_exception', 'idocfstream', 'odocfstream'] src/support/FileMonitor.C src/support/FileMonitor.cpp FileMonitor git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18024 a592a061-630c-0410-9148-cb99ea01b6c8
2007-04-26 05:12:52 +00:00
#include "support/Package.h"
#include <boost/filesystem/operations.hpp>
namespace lyx {
using support::addName;
using support::bformat;
using support::changeExtension;
using support::contains;
using support::FileName;
using support::makeAbsPath;
using support::makeDisplayPath;
using support::onlyFilename;
using support::onlyPath;
using support::package;
using support::prefixIs;
using std::find;
using std::string;
using std::vector;
namespace Alert = frontend::Alert;
namespace fs = boost::filesystem;
namespace {
vector<string> const Backends(Buffer const & buffer)
{
vector<string> v;
if (buffer.params().getTextClass().isTeXClassAvailable()) {
v.push_back(bufferFormat(buffer));
// FIXME: Don't hardcode format names here, but use a flag
if (v.back() == "latex")
v.push_back("pdflatex");
}
v.push_back("text");
v.push_back("lyx");
return v;
}
/// ask the user what to do if a file already exists
int checkOverwrite(FileName const & filename)
{
if (fs::exists(filename.toFilesystemEncoding())) {
docstring text = bformat(_("The file %1$s already exists.\n\n"
"Do you want to over-write that file?"),
makeDisplayPath(filename.absFilename()));
return Alert::prompt(_("Over-write file?"),
text, 0, 2,
_("&Over-write"), _("Over-write &all"),
_("&Cancel export"));
}
return 0;
}
enum CopyStatus {
SUCCESS,
FORCE,
CANCEL
};
/** copy file \p sourceFile to \p destFile. If \p force is false, the user
* will be asked before existing files are overwritten.
* \return
* - SUCCESS if this file got copied
* - FORCE if subsequent calls should not ask for confirmation before
* overwriting files anymore.
* - CANCEL if the export should be cancelled
*/
CopyStatus copyFile(string const & format,
FileName const & sourceFile, FileName const & destFile,
string const & latexFile, bool force)
{
CopyStatus ret = force ? FORCE : SUCCESS;
// Only copy files that are in our tmp dir, all other files would
// overwrite themselves. This check could be changed to
// boost::filesystem::equivalent(sourceFile, destFile) if export to
// other directories than the document directory is desired.
if (!prefixIs(onlyPath(sourceFile.absFilename()), package().temp_dir().absFilename()))
return ret;
if (!force) {
switch(checkOverwrite(destFile)) {
case 0:
ret = SUCCESS;
break;
case 1:
ret = FORCE;
break;
default:
return CANCEL;
}
}
Mover const & mover = getMover(format);
if (!mover.copy(sourceFile, destFile, latexFile))
Alert::error(_("Couldn't copy file"),
bformat(_("Copying %1$s to %2$s failed."),
makeDisplayPath(sourceFile.absFilename()),
makeDisplayPath(destFile.absFilename())));
return ret;
}
} //namespace anon
bool Exporter::Export(Buffer * buffer, string const & format,
bool put_in_tempdir, string & result_file)
{
string backend_format;
OutputParams runparams(&buffer->params().encoding());
runparams.flavor = OutputParams::LATEX;
runparams.linelen = lyxrc.plaintext_linelen;
vector<string> backends = Backends(*buffer);
if (find(backends.begin(), backends.end(), format) == backends.end()) {
// Get shortest path to format
Graph::EdgePath path;
for (vector<string>::const_iterator it = backends.begin();
it != backends.end(); ++it) {
Graph::EdgePath p = theConverters().getPath(*it, format);
if (!p.empty() && (path.empty() || p.size() < path.size())) {
backend_format = *it;
path = p;
}
}
if (!path.empty())
runparams.flavor = theConverters().getFlavor(path);
else {
Alert::error(_("Couldn't export file"),
bformat(_("No information for exporting the format %1$s."),
formats.prettyName(format)));
return false;
}
} else {
backend_format = format;
// FIXME: Don't hardcode format names here, but use a flag
if (backend_format == "pdflatex")
runparams.flavor = OutputParams::PDFLATEX;
}
string filename = buffer->getLatexName(false);
filename = addName(buffer->temppath(), filename);
filename = changeExtension(filename,
formats.extension(backend_format));
// Plain text backend
if (backend_format == "text")
writePlaintextFile(*buffer, FileName(filename), runparams);
// no backend
else if (backend_format == "lyx")
buffer->writeFile(FileName(filename));
// Docbook backend
else if (buffer->isDocBook()) {
runparams.nice = !put_in_tempdir;
buffer->makeDocBookFile(FileName(filename), runparams);
}
// LaTeX backend
else if (backend_format == format) {
runparams.nice = true;
if (!buffer->makeLaTeXFile(FileName(filename), string(), runparams))
return false;
} else if (!lyxrc.tex_allows_spaces
&& contains(buffer->filePath(), ' ')) {
Alert::error(_("File name error"),
_("The directory path to the document cannot contain spaces."));
return false;
} else {
runparams.nice = false;
if (!buffer->makeLaTeXFile(FileName(filename), buffer->filePath(), runparams))
return false;
}
This commit creates a error_lists map member inside the Buffer class. I had no choice but to use string for the map key. This is because the only information that could be passed to the controller is a string. With this new architecture, persistent error lists are now possible. * Buffer - errorList_, addError(), : deleted - std::map<std::string, ErrorList> errorLists_ : new member - errorList(std::string const & type): associated accessors * buffer_funcs.C - bufferErrors(Buffer const & buf, TeXErrors const & terr): now needs a third errorList argument - bufferErrors(Buffer const & buf, ErrorList const & el): deleted. * Converter - convert(): now needs an ErrorList argument instead of filling the Buffer errorList member directly. - runLaTeX(): ditto - scanLog(): ditto * CutAndPaste.C - pasteParagraphList(): ditto - pasteSelection(): ditto * lyxtext.h/text.C - readParagraph(): ditto - LyXText::read(): ditto * importer: - Importer::Import(): ditto * BufferView_pimpl.C - loadLyXFile(): send the Buffer::errors() signal instead of calling LyXView::showErrorList() directly. * exporter.C - Export(): send the Buffer::errors() signal instead of calling LyXView::showErrorList() directly in lyxfunc.C * ControlErrorList.C - initialiseParams(): translation operation transfered here from LyXView::showErrorList(). * LyXView.C - LoadLyXFile(): add a showErrorList("Parse") call. - showErrorList(): simplified due to code transferred to the ControlErrorList. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@14652 a592a061-630c-0410-9148-cb99ea01b6c8
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string const error_type = (format == "program")? "Build" : bufferFormat(*buffer);
Add a cache for converted image files. This needs to be enabled in the preferences file with \use_converter_cache true. It is disabled by default, and no GUI support for changing the preferences is yet implemented. * src/insets/insetgraphics.C (InsetGraphics::prepareFile): Use image file cache * src/insets/ExternalSupport.C (updateExternal): Use image file cache * src/exporter.C (Exporter::Export): Do not use image file cache * src/graphics/GraphicsCacheItem.C (CacheItem::Impl::imageConverted): Add the converted file to the image file cache (CacheItem::Impl::convertToDisplayFo): Use image file cache * src/converter.C (Converters::convert): Use image file cache if the caller allowed that * src/converter.h (Converters::convert): Adjust arguments * src/Makefile.am: Add new files * src/support/lyxlib.h (chmod): new function (copy): add mode argument * src/support/copy.C (chmod): new function (copy): implement mode argument * src/support/mkdir.C (lyx::support::mkdir): Add warning if permissions are ignored * src/lyxrc.[Ch]: Add new settings \converter_cache_maxage and \use_converter_cache * src/ConverterCache.[Ch]: New image file cache * src/importer.C (Importer::Import): Do nut use the image file cache * src/lyx_main.C (LyX::init): Initialize the image file cache * src/mover.[Ch] (Mover::do_copy): Add mode argument (SpecialisedMover::do_copy): ditto * configure.ac: Check for chmod * development/cmake/ConfigureChecks.cmake: ditto * development/cmake/config.h.cmake: ditto * development/scons/SConstruct: ditto * development/scons/scons_manifest.py: Add new files git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15897 a592a061-630c-0410-9148-cb99ea01b6c8
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string const ext = formats.extension(format);
FileName const tmp_result_file(changeExtension(filename, ext));
bool const success = theConverters().convert(buffer, FileName(filename),
tmp_result_file, FileName(buffer->fileName()), backend_format, format,
This commit creates a error_lists map member inside the Buffer class. I had no choice but to use string for the map key. This is because the only information that could be passed to the controller is a string. With this new architecture, persistent error lists are now possible. * Buffer - errorList_, addError(), : deleted - std::map<std::string, ErrorList> errorLists_ : new member - errorList(std::string const & type): associated accessors * buffer_funcs.C - bufferErrors(Buffer const & buf, TeXErrors const & terr): now needs a third errorList argument - bufferErrors(Buffer const & buf, ErrorList const & el): deleted. * Converter - convert(): now needs an ErrorList argument instead of filling the Buffer errorList member directly. - runLaTeX(): ditto - scanLog(): ditto * CutAndPaste.C - pasteParagraphList(): ditto - pasteSelection(): ditto * lyxtext.h/text.C - readParagraph(): ditto - LyXText::read(): ditto * importer: - Importer::Import(): ditto * BufferView_pimpl.C - loadLyXFile(): send the Buffer::errors() signal instead of calling LyXView::showErrorList() directly. * exporter.C - Export(): send the Buffer::errors() signal instead of calling LyXView::showErrorList() directly in lyxfunc.C * ControlErrorList.C - initialiseParams(): translation operation transfered here from LyXView::showErrorList(). * LyXView.C - LoadLyXFile(): add a showErrorList("Parse") call. - showErrorList(): simplified due to code transferred to the ControlErrorList. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@14652 a592a061-630c-0410-9148-cb99ea01b6c8
2006-08-13 16:16:43 +00:00
buffer->errorList(error_type));
// Emit the signal to show the error list.
if (format != backend_format)
buffer->errors(error_type);
This commit creates a error_lists map member inside the Buffer class. I had no choice but to use string for the map key. This is because the only information that could be passed to the controller is a string. With this new architecture, persistent error lists are now possible. * Buffer - errorList_, addError(), : deleted - std::map<std::string, ErrorList> errorLists_ : new member - errorList(std::string const & type): associated accessors * buffer_funcs.C - bufferErrors(Buffer const & buf, TeXErrors const & terr): now needs a third errorList argument - bufferErrors(Buffer const & buf, ErrorList const & el): deleted. * Converter - convert(): now needs an ErrorList argument instead of filling the Buffer errorList member directly. - runLaTeX(): ditto - scanLog(): ditto * CutAndPaste.C - pasteParagraphList(): ditto - pasteSelection(): ditto * lyxtext.h/text.C - readParagraph(): ditto - LyXText::read(): ditto * importer: - Importer::Import(): ditto * BufferView_pimpl.C - loadLyXFile(): send the Buffer::errors() signal instead of calling LyXView::showErrorList() directly. * exporter.C - Export(): send the Buffer::errors() signal instead of calling LyXView::showErrorList() directly in lyxfunc.C * ControlErrorList.C - initialiseParams(): translation operation transfered here from LyXView::showErrorList(). * LyXView.C - LoadLyXFile(): add a showErrorList("Parse") call. - showErrorList(): simplified due to code transferred to the ControlErrorList. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@14652 a592a061-630c-0410-9148-cb99ea01b6c8
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if (!success)
return false;
Add a cache for converted image files. This needs to be enabled in the preferences file with \use_converter_cache true. It is disabled by default, and no GUI support for changing the preferences is yet implemented. * src/insets/insetgraphics.C (InsetGraphics::prepareFile): Use image file cache * src/insets/ExternalSupport.C (updateExternal): Use image file cache * src/exporter.C (Exporter::Export): Do not use image file cache * src/graphics/GraphicsCacheItem.C (CacheItem::Impl::imageConverted): Add the converted file to the image file cache (CacheItem::Impl::convertToDisplayFo): Use image file cache * src/converter.C (Converters::convert): Use image file cache if the caller allowed that * src/converter.h (Converters::convert): Adjust arguments * src/Makefile.am: Add new files * src/support/lyxlib.h (chmod): new function (copy): add mode argument * src/support/copy.C (chmod): new function (copy): implement mode argument * src/support/mkdir.C (lyx::support::mkdir): Add warning if permissions are ignored * src/lyxrc.[Ch]: Add new settings \converter_cache_maxage and \use_converter_cache * src/ConverterCache.[Ch]: New image file cache * src/importer.C (Importer::Import): Do nut use the image file cache * src/lyx_main.C (LyX::init): Initialize the image file cache * src/mover.[Ch] (Mover::do_copy): Add mode argument (SpecialisedMover::do_copy): ditto * configure.ac: Check for chmod * development/cmake/ConfigureChecks.cmake: ditto * development/cmake/config.h.cmake: ditto * development/scons/SConstruct: ditto * development/scons/scons_manifest.py: Add new files git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15897 a592a061-630c-0410-9148-cb99ea01b6c8
2006-11-13 10:27:57 +00:00
if (put_in_tempdir)
result_file = tmp_result_file.absFilename();
Add a cache for converted image files. This needs to be enabled in the preferences file with \use_converter_cache true. It is disabled by default, and no GUI support for changing the preferences is yet implemented. * src/insets/insetgraphics.C (InsetGraphics::prepareFile): Use image file cache * src/insets/ExternalSupport.C (updateExternal): Use image file cache * src/exporter.C (Exporter::Export): Do not use image file cache * src/graphics/GraphicsCacheItem.C (CacheItem::Impl::imageConverted): Add the converted file to the image file cache (CacheItem::Impl::convertToDisplayFo): Use image file cache * src/converter.C (Converters::convert): Use image file cache if the caller allowed that * src/converter.h (Converters::convert): Adjust arguments * src/Makefile.am: Add new files * src/support/lyxlib.h (chmod): new function (copy): add mode argument * src/support/copy.C (chmod): new function (copy): implement mode argument * src/support/mkdir.C (lyx::support::mkdir): Add warning if permissions are ignored * src/lyxrc.[Ch]: Add new settings \converter_cache_maxage and \use_converter_cache * src/ConverterCache.[Ch]: New image file cache * src/importer.C (Importer::Import): Do nut use the image file cache * src/lyx_main.C (LyX::init): Initialize the image file cache * src/mover.[Ch] (Mover::do_copy): Add mode argument (SpecialisedMover::do_copy): ditto * configure.ac: Check for chmod * development/cmake/ConfigureChecks.cmake: ditto * development/cmake/config.h.cmake: ditto * development/scons/SConstruct: ditto * development/scons/scons_manifest.py: Add new files git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15897 a592a061-630c-0410-9148-cb99ea01b6c8
2006-11-13 10:27:57 +00:00
else {
result_file = changeExtension(buffer->fileName(), ext);
// We need to copy referenced files (e. g. included graphics
// if format == "dvi") to the result dir.
vector<ExportedFile> const files =
runparams.exportdata->externalFiles(format);
string const dest = onlyPath(result_file);
CopyStatus status = SUCCESS;
for (vector<ExportedFile>::const_iterator it = files.begin();
it != files.end() && status != CANCEL; ++it) {
string const fmt =
formats.getFormatFromFile(it->sourceName);
status = copyFile(fmt, it->sourceName,
makeAbsPath(it->exportName, dest),
it->exportName, status == FORCE);
}
if (status == CANCEL) {
buffer->message(_("Document export cancelled."));
} else if (fs::exists(tmp_result_file.toFilesystemEncoding())) {
// Finally copy the main file
status = copyFile(format, tmp_result_file,
FileName(result_file), result_file,
status == FORCE);
buffer->message(bformat(_("Document exported as %1$s "
"to file `%2$s'"),
formats.prettyName(format),
makeDisplayPath(result_file)));
} else {
// This must be a dummy converter like fax (bug 1888)
buffer->message(bformat(_("Document exported as %1$s"),
formats.prettyName(format)));
}
}
return true;
}
bool Exporter::Export(Buffer * buffer, string const & format,
bool put_in_tempdir)
{
string result_file;
return Export(buffer, format, put_in_tempdir, result_file);
}
bool Exporter::preview(Buffer * buffer, string const & format)
{
string result_file;
if (!Export(buffer, format, true, result_file))
return false;
return formats.view(*buffer, FileName(result_file), format);
}
bool Exporter::isExportable(Buffer const & buffer, string const & format)
{
vector<string> backends = Backends(buffer);
for (vector<string>::const_iterator it = backends.begin();
it != backends.end(); ++it)
if (theConverters().isReachable(*it, format))
return true;
return false;
}
vector<Format const *> const
Exporter::getExportableFormats(Buffer const & buffer, bool only_viewable)
{
vector<string> backends = Backends(buffer);
vector<Format const *> result =
theConverters().getReachable(backends[0], only_viewable, true);
for (vector<string>::const_iterator it = backends.begin() + 1;
it != backends.end(); ++it) {
vector<Format const *> r =
theConverters().getReachable(*it, only_viewable, false);
result.insert(result.end(), r.begin(), r.end());
}
return result;
}
ExportedFile::ExportedFile(FileName const & s, string const & e) :
sourceName(s), exportName(e) {}
bool operator==(ExportedFile const & f1, ExportedFile const & f2)
{
return f1.sourceName == f2.sourceName &&
f1.exportName == f2.exportName;
}
void ExportData::addExternalFile(string const & format,
FileName const & sourceName,
string const & exportName)
{
// Make sure that we have every file only once, otherwise copyFile()
// would ask several times if it should overwrite a file.
vector<ExportedFile> & files = externalfiles[format];
ExportedFile file(sourceName, exportName);
if (find(files.begin(), files.end(), file) == files.end())
files.push_back(file);
}
void ExportData::addExternalFile(string const & format,
FileName const & sourceName)
{
addExternalFile(format, sourceName, onlyFilename(sourceName.absFilename()));
}
vector<ExportedFile> const
ExportData::externalFiles(string const & format) const
{
FileMap::const_iterator cit = externalfiles.find(format);
if (cit != externalfiles.end())
return cit->second;
return vector<ExportedFile>();
}
} // namespace lyx