bool uncompress(const ustring & archive, const ustring & directory)
// Uncompresses "archive" into "directory".
// Returns whether this was successful.
{
// Bail out if the archive was not recognized.
if (!compressed_archive_recognized(archive)) {
gw_critical(_("cannot uncompress unrecognized archive"));
return false;
}
// Ensure that the output directory is there.
gw_mkdir_with_parents (directory);
// Get the uncompression identifier.
int uncompression_identifier = uncompression_identifier_get (archive);
// Do the uncompression.
int result = -1;
switch (uncompression_identifier) {
case 0:
{
gw_message("I'm not yet smart enough to handle the " + archive + " file type");
break;
}
case 1:
{ // If you have a zip utility installed in Windows, etc.
GwSpawn spawn (Directories->get_unzip());
spawn.arg ("-o"); // overwrite without prompting
if (!directory.empty ()) {
spawn.arg ("-d"); // extract files into exdir
spawn.arg (directory);
}
spawn.arg (archive);
spawn.progress (_("Unpacking"), false);
spawn.run ();
result = 0;
break;
}
case 2:
{
GwSpawn spawn(Directories->get_tar());
spawn.arg ("--force-local"); // to permit : in filename (like C:\Users\...)
spawn.arg("-xvzf"); // x=eXtract, z=gunZip, f=Filename to extract
if (!directory.empty()) {
spawn.workingdirectory(directory);
}
spawn.arg(archive);
spawn.progress(_("Unpacking"), false);
spawn.run();
result = spawn.exitstatus;
DEBUG("tar return code="+std::to_string(result));
break;
}
}
// Return whether things were ok.
return (result == 0);
}
ustring XeTeX::run ()
{
write_document_tex_file ();
ustring pdf_file;
if (runtime_check (rtXeTeX)) {
pdf_file = gw_build_filename (working_directory, "document.pdf");
bool re_run = false;
unsigned int run_count = 0;
do {
run_count++;
GwSpawn spawn (runtime_program (rtXeTeX));
spawn.workingdirectory (working_directory);
spawn.arg ("document.tex");
spawn.read ();
spawn.progress ("Formatting run " + convert_to_string (run_count), true);
spawn.run ();
re_run = false;
for (unsigned int i = 0; i < spawn.standardout.size(); i++) {
gw_message (spawn.standardout[i]);
if (spawn.standardout[i].find ("re-run") != string::npos)
re_run = true;
}
for (unsigned int i = 0; i < spawn.standarderr.size(); i++) {
gw_critical (spawn.standarderr[i]);
if (spawn.standarderr[i].find ("re-run") != string::npos)
re_run = true;
}
// If the formatting process was cancelled, bail out, with no pdf file.
if (spawn.cancelled) {
return "";
}
} while (re_run && (run_count < 10));
}
// Info for user in logfile.
gw_message (_("All the data for this document is available in temporal folder ") + working_directory + ".");
gw_message (_("You can tune the files by hand, then run \"xetex document.tex\" in this folder to convert it into a PDF file."));
return pdf_file;
}
