Make it possible to uses non-ascii labelstring, endlabelstring and

[lyx.git] / src / support / filename.C

diff --git a/src/support/filename.C b/src/support/filename.C
index ff6bd985233e47596fa083ab9c8f40ccd5bdbc14..609c93b258691b0d89fecdf56519f4aa428e4ec8 100644 (file)
--- a/src/support/filename.C
+++ b/src/support/filename.C
@@ -36,7 +36,7 @@ FileName::FileName()
 
 
 FileName::FileName(string const & abs_filename, bool save_abs)
-       : name_(abs_filename), save_abs_path_(save_abs)
+       : name_(abs_filename), save_abs_path_(save_abs), zipped_valid_(false)
 {
        BOOST_ASSERT(absolutePath(name_));
 }
@@ -46,12 +46,14 @@ void FileName::set(string const & name, string const & buffer_path)
 {
        save_abs_path_ = absolutePath(name);
        name_ = save_abs_path_ ? name : makeAbsPath(name, buffer_path);
+       zipped_valid_ = false;
 }
 
 
 void FileName::erase()
 {
        name_.erase();
+       zipped_valid_ = false;
 }
 
 
@@ -125,7 +127,11 @@ string const FileName::mangledFilename(std::string const & dir) const
 
 bool FileName::isZipped() const
 {
-       return zippedFile(name_);
+       if (!zipped_valid_) {
+               zipped_ = zippedFile(name_);
+               zipped_valid_ = true;
+       }
+       return zipped_;
 }