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eff76bd3ab
Addressing #4501. See also http://comments.gmane.org/gmane.editors.lyx.devel/138329 git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@39678 a592a061-630c-0410-9148-cb99ea01b6c8
150 lines
3.8 KiB
C++
150 lines
3.8 KiB
C++
/**
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* \file Exporter.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author unknown
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* \author Alfredo Braunstein
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* \author Lars Gullik Bjønnes
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* \author Jean Marc Lasgouttes
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* \author Angus Leeming
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* \author John Levon
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* \author André Pönitz
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "Exporter.h"
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#include "Mover.h"
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#include "frontends/alert.h"
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#include "support/filetools.h"
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#include "support/gettext.h"
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#include "support/lstrings.h"
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#include "support/Package.h"
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#include <algorithm>
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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namespace Alert = frontend::Alert;
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/// Ask the user what to do if a file already exists
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static int checkOverwrite(FileName const & filename)
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{
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if (!filename.exists())
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return 1;
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docstring text = bformat(_("The file %1$s already exists.\n\n"
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"Do you want to overwrite that file?"),
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makeDisplayPath(filename.absFileName()));
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return Alert::prompt(_("Overwrite file?"),
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text, 0, 3,
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_("&Keep file"), _("&Overwrite"),
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_("Overwrite &all"), _("&Cancel export"));
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}
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/** copy file \p sourceFile to \p destFile. If \p force is false, the user
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* will be asked before existing files are overwritten. If \p only_tmp
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* is true, then only copy files that are in our tmp dir (to avoid other files
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* overwriting themselves).
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* \return
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* - SUCCESS if this file got copied
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* - FORCE if subsequent calls should not ask for confirmation before
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* overwriting files anymore.
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* - CANCEL if the export should be cancelled
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*/
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CopyStatus copyFile(string const & format,
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FileName const & sourceFile, FileName const & destFile,
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string const & latexFile, bool force, bool only_tmp)
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{
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CopyStatus ret = force ? FORCE : SUCCESS;
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// This check could be changed to
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// boost::filesystem::equivalent(sourceFile, destFile) if export to
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// other directories than the document directory is desired.
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// Also don't overwrite files that already exist and are identical
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// to the source files.
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if ((only_tmp && !prefixIs(onlyPath(sourceFile.absFileName()), package().temp_dir().absFileName()))
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|| sourceFile.checksum() == destFile.checksum())
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return ret;
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if (!force) {
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switch(checkOverwrite(destFile)) {
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case 0:
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return SUCCESS;
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case 1:
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ret = SUCCESS;
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break;
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case 2:
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ret = FORCE;
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break;
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default:
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return CANCEL;
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}
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}
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Mover const & mover = getMover(format);
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if (!mover.copy(sourceFile, destFile, latexFile))
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Alert::error(_("Couldn't copy file"),
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bformat(_("Copying %1$s to %2$s failed."),
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makeDisplayPath(sourceFile.absFileName()),
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makeDisplayPath(destFile.absFileName())));
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return ret;
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}
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ExportedFile::ExportedFile(FileName const & s, string const & e)
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: sourceName(s), exportName(e)
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{}
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bool operator==(ExportedFile const & f1, ExportedFile const & f2)
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{
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return f1.sourceName == f2.sourceName &&
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f1.exportName == f2.exportName;
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}
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void ExportData::addExternalFile(string const & format,
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FileName const & sourceName,
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string const & exportName)
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{
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// Make sure that we have every file only once, otherwise copyFile()
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// would ask several times if it should overwrite a file.
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vector<ExportedFile> & files = externalfiles_[format];
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ExportedFile file(sourceName, exportName);
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if (find(files.begin(), files.end(), file) == files.end())
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files.push_back(file);
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}
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void ExportData::addExternalFile(string const & format,
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FileName const & sourceName)
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{
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addExternalFile(format, sourceName, onlyFileName(sourceName.absFileName()));
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}
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vector<ExportedFile> const
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ExportData::externalFiles(string const & format) const
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{
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FileMap::const_iterator cit = externalfiles_.find(format);
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if (cit != externalfiles_.end())
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return cit->second;
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return vector<ExportedFile>();
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}
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} // namespace lyx
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