void File::Rename(const String &source, const String &destination)
{
if(!Exist(source)) throw Exception(String("Rename: source file does not exist: ") + source);
if(Exist(destination)) Remove(destination);
if(std::rename(source.pathEncode().c_str(), destination.pathEncode().c_str()) == 0) return;
// std::rename will fail to copy between filesystems, so we need to try manually
File sourceFile(source, Read);
File destinationFile(destination, Truncate);
sourceFile.read(destinationFile);
sourceFile.close();
destinationFile.close();
Remove(source);
}
void File::open(const String &filename, OpenMode mode)
{
close();
if(filename.empty()) throw Exception("Empty file name");
mName = filename;
mMode = mode;
std::ios_base::openmode m;
switch(mode)
{
case Read: m = std::ios_base::in; break;
case Write: m = std::ios_base::out; break;
case Append: m = std::ios_base::app; break;
case Truncate: m = std::ios_base::out|std::ios_base::trunc; break;
case TruncateReadWrite: m = std::ios_base::in|std::ios_base::out|std::ios_base::trunc; break;
default: m = std::ios_base::in|std::ios_base::out; break;
}
std::fstream::open(filename.pathEncode().c_str(), m|std::ios_base::binary);
if(!std::fstream::is_open() || std::fstream::bad())
throw Exception(String("Unable to open file: ")+filename);
mReadPosition = 0;
mWritePosition = 0;
if(m & std::ios_base::app)
mWritePosition = size();
}
bool File::Exist(const String &filename)
{
if(filename.empty()) return false;
/*std::fstream file;
file.open(filename.pathEncode().c_str(), std::ios_base::in);
return file.is_open();*/
stat_t st;
if(pla::stat(filename.pathEncode().c_str(), &st)) return false;
if(!S_ISDIR(st.st_mode)) return true;
else return false;
}
pla::Time File::Time(const String &filename)
{
stat_t st;
if(pla::stat(filename.pathEncode().c_str(), &st)) throw Exception("File does not exist: "+filename);
return pla::Time(st.st_mtime);
}
uint64_t File::Size(const String &filename)
{
stat_t st;
if(pla::stat(filename.pathEncode().c_str(), &st)) throw Exception("File does not exist: "+filename);
return uint64_t(st.st_size);
}
bool File::Remove(const String &filename)
{
return (std::remove(filename.pathEncode().c_str()) == 0);
}
