std::string FileUtils::getFullPathForDirectoryAndFilename(const std::string& directory, const std::string& filename)
{
// get directory+filename, safely adding '/' as necessary
std::string ret = directory;
if (directory.size() && directory[directory.size()-1] != '/') {
ret += '/';
}
ret += filename;
// if the file doesn't exist, return an empty string
if (!isFileExistInternal(ret)) {
ret = "";
}
return ret;
}
bool FileUtils::isFileExist(const std::string& filename) const
{
if (isAbsolutePath(filename))
{
return isFileExistInternal(filename);
}
else
{
std::string fullpath = searchFullPathForFilename(filename);
if (fullpath.empty())
return false;
else
return true;
}
}
bool FileUtils::isFileExist(const std::string& filename) const
{
// If filename is absolute path, we don't need to consider 'search paths' and 'resolution orders'.
if (isAbsolutePath(filename))
{
return isFileExistInternal(filename);
}
// Already Cached ?
auto cacheIter = _fullPathCache.find(filename);
if( cacheIter != _fullPathCache.end() )
{
return true;
}
// Get the new file name.
const std::string newFilename( getNewFilename(filename) );
std::string fullpath;
for (auto searchIt = _searchPathArray.cbegin(); searchIt != _searchPathArray.cend(); ++searchIt)
{
for (auto resolutionIt = _searchResolutionsOrderArray.cbegin(); resolutionIt != _searchResolutionsOrderArray.cend(); ++resolutionIt)
{
fullpath = const_cast<FileUtils*>(this)->getPathForFilename(newFilename, *resolutionIt, *searchIt);
if (!fullpath.empty())
{
// Using the filename passed in as key.
const_cast<FileUtils*>(this)->_fullPathCache.insert(std::make_pair(filename, fullpath));
return true;
}
}
}
return false;
}
