C++ Path::setExtension方法代码示例

//-----------------------------------------------------------------------------
/// Copy a texture from a KMZ to a cache. Note that the texture filename is modified
void copySketchupTexture(const Torque::Path &path, String &textureFilename)
{
   if (textureFilename.isEmpty())
      return;

   Torque::Path texturePath(textureFilename);
   texturePath.setExtension(findTextureExtension(texturePath));

   String cachedTexFilename = String::ToString("%s_%s.cached",
      TSShapeLoader::getShapePath().getFileName().c_str(), texturePath.getFileName().c_str());

   Torque::Path cachedTexPath;
   cachedTexPath.setRoot(path.getRoot());
   cachedTexPath.setPath(path.getPath());
   cachedTexPath.setFileName(cachedTexFilename);
   cachedTexPath.setExtension(texturePath.getExtension());

   FileStream *source;
   FileStream *dest;
   if ((source = FileStream::createAndOpen(texturePath.getFullPath(), Torque::FS::File::Read)) == NULL)
      return;

   if ((dest = FileStream::createAndOpen(cachedTexPath.getFullPath(), Torque::FS::File::Write)) == NULL)
   {
      delete source;
      return;
   }

   dest->copyFrom(source);

   delete dest;
   delete source;

   // Update the filename in the material
   cachedTexPath.setExtension("");
   textureFilename = cachedTexPath.getFullPath();
}

static S32 buildFileList(const char* pattern, bool recurse, bool multiMatch)
{
   static const String sSlash( "/" );

   sgFindFilesResults.clear();

   String sPattern(Torque::Path::CleanSeparators(pattern));
   if(sPattern.isEmpty())
   {
      Con::errorf("findFirstFile() requires a search pattern");
      return -1;
   }

   if(!Con::expandScriptFilename(sgScriptFilenameBuffer, sizeof(sgScriptFilenameBuffer), sPattern.c_str()))
   {
      Con::errorf("findFirstFile() given initial directory cannot be expanded: '%s'", pattern);
      return -1;
   }
   sPattern = String::ToString(sgScriptFilenameBuffer);

   String::SizeType slashPos = sPattern.find('/', 0, String::Right);
//    if(slashPos == String::NPos)
//    {
//       Con::errorf("findFirstFile() missing search directory or expression: '%s'", sPattern.c_str());
//       return -1;
//    }

   // Build the initial search path
   Torque::Path givenPath(Torque::Path::CompressPath(sPattern));
   givenPath.setFileName("*");
   givenPath.setExtension("*");

   if(givenPath.getPath().length() > 0 && givenPath.getPath().find('*', 0, String::Right) == givenPath.getPath().length()-1)
   {
      // Deal with legacy searches of the form '*/*.*'
      String suspectPath = givenPath.getPath();
      String::SizeType newLen = suspectPath.length()-1;
      if(newLen > 0 && suspectPath.find('/', 0, String::Right) == suspectPath.length()-2)
      {
         --newLen;
      }
      givenPath.setPath(suspectPath.substr(0, newLen));
   }

   Torque::FS::FileSystemRef fs = Torque::FS::GetFileSystem(givenPath);
   //Torque::Path path = fs->mapTo(givenPath);
   Torque::Path path = givenPath;
   
   // Make sure that we have a root so the correct file system can be determined when using zips
   if(givenPath.isRelative())
      path = Torque::Path::Join(Torque::FS::GetCwd(), '/', givenPath);
   
   path.setFileName(String::EmptyString);
   path.setExtension(String::EmptyString);
   if(!Torque::FS::IsDirectory(path))
   {
      Con::errorf("findFirstFile() invalid initial search directory: '%s'", path.getFullPath().c_str());
      return -1;
   }

   // Build the search expression
   const String expression(slashPos != String::NPos ? sPattern.substr(slashPos+1) : sPattern);
   if(expression.isEmpty())
   {
      Con::errorf("findFirstFile() requires a search expression: '%s'", sPattern.c_str());
      return -1;
   }

   S32 results = Torque::FS::FindByPattern(path, expression, recurse, sgFindFilesResults, multiMatch );
   if(givenPath.isRelative() && results > 0)
   {
      // Strip the CWD out of the returned paths
      // MakeRelativePath() returns incorrect results (it adds a leading ..) so doing this the dirty way
      const String cwd = Torque::FS::GetCwd().getFullPath();
      for(S32 i = 0;i < sgFindFilesResults.size();++i)
      {
         String str = sgFindFilesResults[i];
         if(str.compare(cwd, cwd.length(), String::NoCase) == 0)
            str = str.substr(cwd.length());
         sgFindFilesResults[i] = str;
      }
   }
   return results;
}