Lexer lex;
istringstream is(s);
lex.setStream(is);
- FileName const name = FileName::tempName("Buffer_readString");
- switch (readFile(lex, name, true)) {
- case ReadFailure:
- return false;
+ FileName const fn = FileName::tempName("Buffer_readString");
+
+ int file_format;
+ ReadStatus const ret_plf = parseLyXFormat(lex, fn, file_format);
+ if (ret_plf != ReadSuccess)
+ return ret_plf;
- case ReadWrongVersion: {
+ if (file_format != LYX_FORMAT) {
// We need to call lyx2lyx, so write the input to a file
- ofstream os(name.toFilesystemEncoding().c_str());
+ ofstream os(fn.toFilesystemEncoding().c_str());
os << s;
os.close();
- return readFile(name);
- }
- default:
- break;
+ // lyxvc in readFile
+ return readFile(fn) == ReadSuccess;
}
+ if (readDocument(lex))
+ return false;
return true;
}
Lexer lex;
lex.setFile(fname);
- ReadStatus const ret_rf = readFile(lex, fname);
- if (ret_rf != ReadSuccess)
- return ret_rf;
+ 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 const ret_clf = convertLyXFormat(fn, tmpFile, file_format);
+ if (ret_clf != ReadSuccess)
+ return ret_clf;
+ return readFile(tmpFile);
+ }
+ if (readDocument(lex)) {
+ Alert::error(_("Document format failure"),
+ bformat(_("%1$s ended unexpectedly, which means"
+ " that it is probably corrupted."),
+ from_utf8(fn.absFileName())));
+ return ReadDocumentFailure;
+ }
+
+ d->file_fully_loaded = true;
// InsetInfo needs to know if file is under VCS
lyxvc().file_found_hook(fn);
d->read_only = !fname.isWritable();
}
-Buffer::ReadStatus Buffer::readFile(Lexer & lex, FileName const & filename,
- bool fromstring)
+Buffer::ReadStatus Buffer::parseLyXFormat(Lexer & lex,
+ FileName const & fn, int & file_format) const
{
- LASSERT(!filename.empty(), /**/);
-
- // the first (non-comment) token _must_ be...
- if (!lex.checkFor("\\lyxformat")) {
+ if(!lex.checkFor("\\lyxformat")) {
Alert::error(_("Document format failure"),
- bformat(_("%1$s is not a readable LyX document."),
- from_utf8(filename.absFileName())));
- return ReadFailure;
- }
+ bformat(_("%1$s is not a readable LyX document."),
+ from_utf8(fn.absFileName())));
+ return ReadNoLyXFormat;
+ }
string tmp_format;
lex >> tmp_format;
- //lyxerr << "LyX Format: `" << tmp_format << '\'' << endl;
- // if present remove ".," from string.
+
+ // LyX formats 217 and earlier were written as 2.17. This corresponds
+ // to files from LyX versions < 1.1.6.3. We just remove the dot in
+ // these cases. See also: www.lyx.org/trac/changeset/1313.
size_t dot = tmp_format.find_first_of(".,");
- //lyxerr << " dot found at " << dot << endl;
if (dot != string::npos)
- tmp_format.erase(dot, 1);
- int const file_format = convert<int>(tmp_format);
- //lyxerr << "format: " << file_format << endl;
-
- // save timestamp and checksum of the original disk file, making sure
- // to not overwrite them with those of the file created in the tempdir
- // when it has to be converted to the current format.
- if (!d->checksum_) {
- // Save the timestamp and checksum of disk file. If filename is an
- // emergency file, save the timestamp and checksum of the original lyx file
- // because isExternallyModified will check for this file. (BUG4193)
- string diskfile = filename.absFileName();
- if (suffixIs(diskfile, ".emergency"))
- diskfile = diskfile.substr(0, diskfile.size() - 10);
- saveCheckSum(FileName(diskfile));
- }
+ tmp_format.erase(dot, 1);
- if (file_format != LYX_FORMAT) {
+ file_format = convert<int>(tmp_format);
+ return ReadSuccess;
+}
- if (fromstring)
- // lyx2lyx would fail
- return ReadWrongVersion;
-
- FileName const tmpfile = FileName::tempName("Buffer_readFile");
- if (tmpfile.empty()) {
- Alert::error(_("Conversion failed"),
- bformat(_("%1$s is from a different"
- " version of LyX, but a temporary"
- " file for converting it could"
- " not be created."),
- from_utf8(filename.absFileName())));
- return ReadFailure;
- }
- FileName const lyx2lyx = libFileSearch("lyx2lyx", "lyx2lyx");
- if (lyx2lyx.empty()) {
- Alert::error(_("Conversion script not found"),
- bformat(_("%1$s is from a different"
- " version of LyX, but the"
- " conversion script lyx2lyx"
- " could not be found."),
- from_utf8(filename.absFileName())));
- return ReadFailure;
- }
- ostringstream command;
- command << os::python()
- << ' ' << quoteName(lyx2lyx.toFilesystemEncoding())
- << " -t " << convert<string>(LYX_FORMAT)
- << " -o " << quoteName(tmpfile.toFilesystemEncoding())
- << ' ' << quoteName(filename.toSafeFilesystemEncoding());
- string const command_str = command.str();
-
- LYXERR(Debug::INFO, "Running '" << command_str << '\'');
-
- cmd_ret const ret = runCommand(command_str);
- if (ret.first != 0) {
- if (file_format < LYX_FORMAT)
- Alert::error(_("Conversion script failed"),
- bformat(_("%1$s is from an older version"
- " of LyX, but the lyx2lyx script"
- " failed to convert it."),
- from_utf8(filename.absFileName())));
- else
- Alert::error(_("Conversion script failed"),
- bformat(_("%1$s is from a newer version"
- " of LyX and cannot be converted by the"
- " lyx2lyx script."),
- from_utf8(filename.absFileName())));
- return ReadFailure;
- } else {
- // Do stuff with tmpfile name and buffer name here.
- return readFile(tmpfile);
- }
+Buffer::ReadStatus Buffer::convertLyXFormat(FileName const & fn,
+ FileName & tmpfile, int from_format)
+{
+ tmpfile = FileName::tempName("Buffer_convertLyXFormat");
+ if(tmpfile.empty()) {
+ Alert::error(_("Conversion failed"),
+ bformat(_("%1$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;
}
- if (readDocument(lex)) {
- Alert::error(_("Document format failure"),
- bformat(_("%1$s ended unexpectedly, which means"
- " that it is probably corrupted."),
- from_utf8(filename.absFileName())));
- return ReadFailure;
+ FileName const lyx2lyx = libFileSearch("lyx2lyx", "lyx2lyx");
+ if (lyx2lyx.empty()) {
+ Alert::error(_("Conversion script not found"),
+ bformat(_("%1$s is from a different"
+ " version of LyX, but the"
+ " conversion script lyx2lyx"
+ " could not be found."),
+ from_utf8(fn.absFileName())));
+ return LyX2LyXNotFound;
}
- d->file_fully_loaded = true;
+ // 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.toFilesystemEncoding())
+ << ' ' << quoteName(fn.toSafeFilesystemEncoding());
+ string const command_str = command.str();
+
+ LYXERR(Debug::INFO, "Running '" << command_str << '\'');
+
+ cmd_ret const ret = runCommand(command_str);
+ if (ret.first != 0) {
+ if (from_format < LYX_FORMAT) {
+ Alert::error(_("Conversion script failed"),
+ bformat(_("%1$s is from an older version"
+ " of LyX, but the lyx2lyx script"
+ " failed to convert it."),
+ from_utf8(fn.absFileName())));
+ return LyX2LyXOlderFormat;
+ } else {
+ Alert::error(_("Conversion script failed"),
+ bformat(_("%1$s is from an newer version"
+ " of LyX, but the lyx2lyx script"
+ " failed to convert it."),
+ from_utf8(fn.absFileName())));
+ return LyX2LyXNewerFormat;
+ }
+ }
return ReadSuccess;
}
docstring const file = makeDisplayPath(fn.absFileName(), 20);
docstring const text = bformat(_("An emergency save of the document "
"%1$s exists.\n\nRecover emergency save?"), file);
- int const ret = Alert::prompt(_("Load emergency save?"), text,
+
+ int const load_emerg = Alert::prompt(_("Load emergency save?"), text,
0, 2, _("&Recover"), _("&Load Original"), _("&Cancel"));
- switch (ret)
+ switch (load_emerg)
{
case 0: {
- // the file is not saved if we load the emergency file.
- markDirty();
docstring str;
- bool res;
- ReadStatus const ret_rf = readFile(emergencyFile);
- if (res = (ret_rf == ReadSuccess))
+ ReadStatus const ret_llf = loadThisLyXFile(emergencyFile);
+ bool const success = (ret_llf == ReadSuccess);
+ if (success) {
+ saveCheckSum(fn);
+ markDirty();
str = _("Document was successfully recovered.");
- else
+ } else
str = _("Document was NOT successfully recovered.");
str += "\n\n" + bformat(_("Remove emergency file now?\n(%1$s)"),
makeDisplayPath(emergencyFile.absFileName()));
- if (!Alert::prompt(_("Delete emergency file?"), str, 1, 1,
- _("&Remove"), _("&Keep"))) {
+ int const del_emerg =
+ Alert::prompt(_("Delete emergency file?"), str, 1, 1,
+ _("&Remove"), _("&Keep"));
+ if (del_emerg == 0) {
emergencyFile.removeFile();
- if (res)
+ if (success)
Alert::warning(_("Emergency file deleted"),
_("Do not forget to save your file now!"), true);
}
- return res ? ReadSuccess : ReadEmergencyFailure;
+ return success ? ReadSuccess : ReadEmergencyFailure;
}
- case 1:
- if (!Alert::prompt(_("Delete emergency file?"),
+ case 1: {
+ int const del_emerg =
+ Alert::prompt(_("Delete emergency file?"),
_("Remove emergency file now?"), 1, 1,
- _("&Remove"), _("&Keep")))
+ _("&Remove"), _("&Keep"));
+ if (del_emerg == 0)
emergencyFile.removeFile();
return ReadOriginal;
+ }
default:
break;
switch (ret)
{
case 0: {
- ReadStatus const ret_rf = readFile(autosaveFile);
+ ReadStatus const ret_llf = loadThisLyXFile(autosaveFile);
// the file is not saved if we load the autosave file.
- if (ret_rf == ReadSuccess) {
+ if (ret_llf == ReadSuccess) {
markDirty();
+ saveCheckSum(fn);
return ReadSuccess;
}
return ReadAutosaveFailure;
if (ret_ra == ReadSuccess || ret_ra == ReadCancel)
return ret_ra;
+ return loadThisLyXFile(fn);
+}
+
+
+Buffer::ReadStatus Buffer::loadThisLyXFile(FileName const & fn)
+{
return readFile(fn);
}
projects / lyx.git / blobdiff