std::string StreamCache::RealFileForCacheFile( const std::string cacheFile, const std::string contentType )
{
std::string realFile = cacheFile;
// force extensions for some known mime types because renderer has no idea about mime types
// FIXME: this breaks caching due to cache file name mismatch at the start of PerformRequest
if( contentType != "" ) {
std::string forceExtension( "" );
if( contentType == "image/x-tga" ) {
forceExtension = ".tga";
}
else if( contentType == "image/jpeg" || contentType == "image/jpg" ) {
forceExtension = ".jpg";
}
else if( contentType == "image/png" ) {
forceExtension = ".png";
}
// remove existing extension (if any), append forced extension
if( forceExtension != "" ) {
std::string::size_type dot = realFile.rfind( '.' );
std::string::size_type slash = realFile.rfind( '/' );
if( dot != realFile.npos && ( slash == realFile.npos || dot > slash ) ) {
realFile = realFile.substr( 0, dot );
}
realFile += forceExtension;
}
}
// add a link
if( realFile != cacheFile ) {
int filenum;
std::string linkFile = cacheFile + LINK_EXTENSION;
if( trap::FS_FOpenFile( linkFile.c_str(), &filenum, FS_WRITE ) >= 0 ) {
trap::FS_Write( realFile.c_str(), realFile.length(), filenum );
trap::FS_FCloseFile( filenum );
}
}
return realFile;
}
/* if user consents to it, change the filename extension. */
char *maybeForceExtension( struct pgpfileBones *filebPtr, char *filename,
char *extension )
{
struct pgpenvBones *envbPtr = filebPtr->envbPtr;
PGPEnv *env = envbPtr->m_env;
PGPInt32 pri;
PGPError err;
static char newname[MAX_PATH];
if (!hasExtension(filename, extension)) {
strcpy(newname, filename);
forceExtension( filebPtr, newname, extension );
if (!fileExists(newname)) {
fprintf(filebPtr->pgpout,
LANG("\nShould '%s' be renamed to '%s' [Y/n]? "),
filename, newname);
if (getyesno(filebPtr, 'y', (PGPBoolean)pgpenvGetInt( env,
PGPENV_BATCHMODE, &pri, &err )))
return newname;
}
}
return NULL;
}/* maybe_force_extension */
