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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "File.h"
#include <stdlib.h>
#include <sys/types.h>
#include <utime.h>
#include <unistd.h>
#include <vector>
#include <cstring>
#include <cstdio>
#include "util.h"
#include "A2STR.h"
#include "array_fun.h"
namespace aria2 {
#ifdef __MINGW32__
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#endif // __MINGW32__
File::File(const std::string& name) : name_(name) {}
File::File(const File& c) : name_(c.name_) {}
File::~File() {}
File& File::operator=(const File& c)
{
if(this != &c) {
name_ = c.name_;
}
return *this;
}
int File::fillStat(a2_struct_stat& fstat) {
return a2stat(name_.c_str(), &fstat);
}
bool File::exists() {
a2_struct_stat fstat;
return fillStat(fstat) == 0;
}
bool File::isFile() {
a2_struct_stat fstat;
if(fillStat(fstat) < 0) {
return false;
}
return S_ISREG(fstat.st_mode) == 1;
}
bool File::isDir() {
a2_struct_stat fstat;
if(fillStat(fstat) < 0) {
return false;
}
return S_ISDIR(fstat.st_mode) == 1;
}
bool File::remove() {
if(isFile()) {
return unlink(name_.c_str()) == 0;
} else if(isDir()) {
return rmdir(name_.c_str()) == 0;
} else {
return false;
}
}
uint64_t File::size() {
a2_struct_stat fstat;
if(fillStat(fstat) < 0) {
return 0;
}
return fstat.st_size;
}
bool File::mkdirs() {
if(isDir()) {
return false;
}
for(std::string::iterator i = name_.begin(), eoi = name_.end();
i != eoi;) {
std::string::iterator j = std::find(i, eoi, '/');
if(std::distance(i, j) == 0) {
++i;
continue;
}
if(j != eoi) {
++j;
}
i = j;
std::string dir = std::string(name_.begin(), j);
if(File(dir).isDir()) {
continue;
}
if(a2mkdir(dir.c_str(), DIR_OPEN_MODE) == -1) {
return false;
}
}
return true;
}
mode_t File::mode()
{
a2_struct_stat fstat;
if(fillStat(fstat) < 0) {
return 0;
}
return fstat.st_mode;
}
std::string File::getBasename() const
{
std::string::size_type lastSlashIndex = name_.find_last_of(A2STR::SLASH_C);
if(lastSlashIndex == std::string::npos) {
return name_;
} else {
return name_.substr(lastSlashIndex+1);
}
}
std::string File::getDirname() const
{
std::string::size_type lastSlashIndex = name_.find_last_of(A2STR::SLASH_C);
if(lastSlashIndex == std::string::npos) {
if(name_.empty()) {
return A2STR::NIL;
} else {
return A2STR::DOT_C;
}
} else if(lastSlashIndex == 0) {
return A2STR::SLASH_C;
} else {
return name_.substr(0, lastSlashIndex);
}
}
bool File::isDir(const std::string& filename)
{
return File(filename).isDir();
}
bool File::renameTo(const std::string& dest)
{
#ifdef __MINGW32__
/* MinGW's rename() doesn't delete an existing destination */
if (_access(dest.c_str(), 0) == 0) {
if (_unlink(dest.c_str()) != 0) {
return false;
}
}
#endif // __MINGW32__
if(rename(name_.c_str(), dest.c_str()) == 0) {
name_ = dest;
return true;
} else {
return false;
}
}
bool File::utime(const Time& actime, const Time& modtime) const
{
struct utimbuf ub;
ub.actime = actime.getTime();
ub.modtime = modtime.getTime();
return ::utime(name_.c_str(), &ub) == 0;
}
Time File::getModifiedTime()
{
a2_struct_stat fstat;
if(fillStat(fstat) < 0) {
return 0;
}
return Time(fstat.st_mtime);
}
std::string File::getCurrentDir()
{
const size_t buflen = 2048;
char buf[buflen];
if(getcwd(buf, buflen)) {
return std::string(buf);
} else {
return A2STR::DOT_C;
}
}
} // namespace aria2
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