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/*
* --- GSMP-COPYRIGHT-NOTE-BEGIN ---
*
* This copyright note is auto-generated by ./scripts/Create-CopyPatch.
* Please add additional copyright information _after_ the line containing
* the GSMP-COPYRIGHT-NOTE-END tag. Otherwise it might get removed by
* the ./scripts/Create-CopyPatch script. Do not edit this copyright text!
*
* GSMP: utility/src/File.cc
* General Sound Manipulation Program is Copyright (C) 2000 - 2004
* Valentin Ziegler and René Rebe
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2. A copy of the GNU General
* Public License can be found in the file LICENSE.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANT-
* ABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* --- GSMP-COPYRIGHT-NOTE-END ---
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <iostream>
#include "File.hh"
Utility::File::File () {
c_stat_valid = false;
}
Utility::File::File (const std::string& str) {
filename = str;
c_stat_valid = false;
}
Utility::File::~File () {
}
void Utility::File::SetFile (const std::string& str) {
if (str != filename) {
reset();
filename = str;
}
}
const std::string& Utility::File::Dirname ()
{
// this is slightly unoptimal if we really do not have a dirname
// but since this is rare we keep this simple
if (dirname == "")
updateDirBaseExt ();
return dirname;
}
const std::string& Utility::File::Basename ()
{
// we always have a basename - a leading dot forms a hidden Unix file ....
if (basename == "")
updateDirBaseExt ();
return basename;
}
std::string Utility::File::BasenameWOExtension ()
{
// we always have a basename - a leading dot forms a hidden Unix file ....
if (basename == "")
updateDirBaseExt ();
std::string::size_type idx = extension.size(); if (idx) ++idx;
std::string bwoe = basename.substr(0, basename.size() - idx);
return bwoe;
}
const std::string& Utility::File::Extension ()
{
// this is slightly unoptimal if we really do not have an extension
// but since this is rare we keep this simple
if (extension == "")
updateDirBaseExt ();
return extension;
}
const Utility::FileType Utility::File::Type ()
{
updateStat();
return FileType(c_stat.st_mode);
}
void Utility::File::reset () {
basename.clear();
extension.clear();
c_stat_valid = false;
}
bool Utility::File::updateStat () {
if (c_stat_valid)
return true;
return stat (filename.c_str(), &c_stat) == 0;
}
void Utility::File::updateDirBaseExt () {
// parse the filename extension
std::string::size_type idx_ext = filename.rfind ('.');
std::string::size_type idx_base = filename.rfind ('/');
// ignore leading dots - they mark hidden Unix files ...
if (idx_ext && idx_ext != std::string::npos) {
extension = filename.substr (idx_ext + 1);
}
else {
extension.clear ();
}
if (idx_base == std::string::npos) {
dirname.clear ();
basename = filename.substr (0, std::string::npos);
}
else {
dirname = filename.substr (0, idx_base);
basename = filename.substr (idx_base + 1, std::string::npos);
}
}
std::ostream& Utility::operator<< (std::ostream& os, const File& file) {
os << file.Name ();
return os;
}
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