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fix handling of zipped graphics files

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8746 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Georg Baum 2004-05-05 15:37:36 +00:00
parent 704b79209a
commit b65e6f7544
2 changed files with 79 additions and 49 deletions
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9
src/insets/ChangeLog
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@ -1,3 +1,12 @@
2004-05-05 Georg Baum <Georg.Baum@post.rwth-aachen.de>
* insetgraphics.C (prepareFile): copy zipped file and corresponding
.bb file to the tmp dir if we don't unzip it (needed for dvi export)
* insetgraphics.C (prepareFile): unzip zipped file also if it has
changed since the last run
* insetgraphics.C (copyToDirIfNeeded): split into copyToDirIfNeeded
and copyFileIfNeeded.
2004-04-29 Angus Leeming <leeming@lyx.org>
* ExternalTemplate.[Ch]: remove redundant #includes.

119
src/insets/insetgraphics.C
View File

@ -85,6 +85,7 @@ namespace support = lyx::support;
using lyx::support::AbsolutePath;
using lyx::support::bformat;
using lyx::support::ChangeExtension;
using lyx::support::compare_timestamps;
using lyx::support::contains;
using lyx::support::FileName;
using lyx::support::float_equal;
@ -343,26 +344,10 @@ enum CopyStatus {
std::pair<CopyStatus, string> const
copyToDirIfNeeded(string const & file_in, string const & dir)
copyFileIfNeeded(string const & file_in, string const & file_out)
{
using support::rtrim;
BOOST_ASSERT(AbsolutePath(file_in));
string const only_path = support::OnlyPath(file_in);
if (rtrim(support::OnlyPath(file_in) , "/") == rtrim(dir, "/"))
return std::make_pair(IDENTICAL_PATHS, file_in);
string mangled;
if (support::zippedFile(file_in)) {
string const ext = GetExtension(file_in);
string const unzipped = support::unzippedFileName(file_in);
mangled = FileName(unzipped).mangledFilename();
mangled += "." + ext;
} else
mangled = FileName(file_in).mangledFilename();
string const file_out = support::MakeAbsPath(mangled, dir);
BOOST_ASSERT(AbsolutePath(file_out));
unsigned long const checksum_in = support::sum(file_in);
unsigned long const checksum_out = support::sum(file_out);
@ -385,6 +370,35 @@ copyToDirIfNeeded(string const & file_in, string const & dir)
}
std::pair<CopyStatus, string> const
copyToDirIfNeeded(string const & file_in, string const & dir, bool zipped)
{
using support::rtrim;
BOOST_ASSERT(AbsolutePath(file_in));
string const only_path = support::OnlyPath(file_in);
if (rtrim(support::OnlyPath(file_in) , "/") == rtrim(dir, "/"))
return std::make_pair(IDENTICAL_PATHS, file_in);
string mangled = FileName(file_in).mangledFilename();
if (zipped) {
// We need to change _eps.gz to .eps.gz. The mangled name is
// still unique because of the counter in mangledFilename().
// We can't just call mangledFilename() with the zip
// extension removed, because base.eps and base.eps.gz may
// have different content but would get the same mangled
// name in this case.
string const base = RemoveExtension(unzippedFileName(file_in));
string::size_type const ext_len = file_in.length() - base.length();
mangled[mangled.length() - ext_len] = '.';
}
string const file_out = support::MakeAbsPath(mangled, dir);
return copyFileIfNeeded(file_in, file_out);
}
string const stripExtensionIfPossible(string const & file, string const & to)
{
// No conversion is needed. LaTeX can handle the graphic file as is.
@ -417,14 +431,6 @@ string const InsetGraphics::prepareFile(Buffer const & buf,
// let LaTeX do the rest!
bool const zipped = params().filename.isZipped();
if (zipped && params().noUnzip) {
lyxerr[Debug::GRAPHICS]
<< "\tpass zipped file to LaTeX but with full path.\n";
// LaTeX needs an absolute path, otherwise the
// coresponding *.eps.bb file isn't found
return orig_file;
}
// temp_file will contain the file for LaTeX to act on if, for example,
// we move it to a temp dir or uncompress it.
string temp_file = orig_file;
@ -434,23 +440,48 @@ string const InsetGraphics::prepareFile(Buffer const & buf,
// This is necessary for DVI export.
string const temp_path = buf.getMasterBuffer()->temppath();
bool conversion_needed = true;
CopyStatus status;
boost::tie(status, temp_file) =
copyToDirIfNeeded(orig_file, temp_path, zipped);
if (status == FAILURE)
return orig_file;
else if (status == IDENTICAL_CONTENTS)
conversion_needed = false;
if (zipped) {
CopyStatus status;
boost::tie(status, temp_file) =
copyToDirIfNeeded(orig_file, temp_path);
if (status == FAILURE)
return orig_file;
orig_file = unzippedFileName(temp_file);
if (!IsFileReadable(orig_file)) {
unzipFile(temp_file);
if (params().noUnzip) {
lyxerr[Debug::GRAPHICS]
<< "\tunzipped to " << orig_file << endl;
<< "\tpass zipped file to LaTeX.\n";
// LaTeX needs the bounding box file in the tmp dir
string bb_file;
boost::tie(status, bb_file) =
copyFileIfNeeded(ChangeExtension(orig_file, "bb"),
ChangeExtension(temp_file, "bb"));
if (status == FAILURE)
return orig_file;
return temp_file;
}
string const unzipped_temp_file = unzippedFileName(temp_file);
if (compare_timestamps(unzipped_temp_file, temp_file) > 0) {
// temp_file has been unzipped already and
// orig_file has not changed in the meantime.
temp_file = unzipped_temp_file;
lyxerr[Debug::GRAPHICS]
<< "\twas already unzipped to " << temp_file
<< endl;
} else {
// unzipped_temp_file does not exist or is too old
temp_file = unzipFile(temp_file);
lyxerr[Debug::GRAPHICS]
<< "\tunzipped to " << temp_file << endl;
}
}
string const from = getExtFromContents(orig_file);
string const from = getExtFromContents(temp_file);
string const to = findTargetFormat(from, runparams);
lyxerr[Debug::GRAPHICS]
<< "\t we have: from " << from << " to " << to << '\n';
@ -462,16 +493,6 @@ string const InsetGraphics::prepareFile(Buffer const & buf,
lyxerr[Debug::GRAPHICS]
<< "\tthe orig file is: " << orig_file << endl;
bool conversion_needed = true;
CopyStatus status;
boost::tie(status, temp_file) =
copyToDirIfNeeded(orig_file, temp_path);
if (status == FAILURE)
return orig_file;
else if (status == IDENTICAL_CONTENTS)
conversion_needed = false;
if (from == to)
return stripExtensionIfPossible(temp_file, to);
@ -481,7 +502,7 @@ string const InsetGraphics::prepareFile(Buffer const & buf,
// Do we need to perform the conversion?
// Yes if to_file does not exist or if temp_file is newer than to_file
if (!conversion_needed ||
support::compare_timestamps(temp_file, to_file) < 0) {
compare_timestamps(temp_file, to_file) < 0) {
lyxerr[Debug::GRAPHICS]
<< bformat(_("No conversion of %1$s is needed after all"),
rel_file)