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2006-04-01 Michael Gerz <michael.gerz@teststep.org>

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* filename.C (mangledFilename): truncate filename to 100
        characters for MiKTeX's pdflatex


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@13543 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Michael Schmitt 2006-04-01 13:04:23 +00:00
parent 768d523494
commit 845bc7272f
1 changed files with 8 additions and 16 deletions
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24
src/support/filename.C
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@ -19,6 +19,7 @@
#include <map>
#include <sstream>
#include <algorithm>
using std::map;
@ -98,22 +99,13 @@ string const FileName::mangledFilename(std::string const & dir) const
s << counter++ << mname;
mname = s.str();
// Experiments show that MiKTeX's YAP (version 2.4.1803)
// will crash if the string referencing the file name in
// the .dvi file is longer than 220 characters.
// This string contains about 50 chars-worth of other data,
// leaving us, say, 160 characters for the file name itself.
// (Erring on the side of caution.)
// Other experiments show that MiKTeX's pdflatex compiler is even
// more picky. A maximum length of 140 has been proven to work.
string::size_type max_length = 140;
if (dir.size() - 1 < max_length) {
// "+ 1" for the directory separator.
max_length -= dir.size() + 1;
}
// If dir.size() > max_length, all bets are off for YAP anyway.
// We truncate the filename nevertheless because of MiKTeX's
// pdflatex compiler.
// MiKTeX's YAP (version 2.4.1803) crashes if the file name
// is longer than about 160 characters. MiKTeX's pdflatex
// is even pickier. A maximum length of 100 has been proven to work.
// If dir.size() > max length, all bets are off for YAP. We truncate
// the filename nevertheless, keeping a minimum of 10 chars.
string::size_type max_length = std::max(100 - ((int)dir.size() + 1), 10);
// If the mangled file name is too long, hack it to fit.
// We know we're guaranteed to have a unique file name because