aria2/src/BufferedFile.cc

121 lines
2.9 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2011 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 "BufferedFile.h"
#include <cstring>
#include <cstdarg>
#include <ostream>
#include "a2io.h"
#include "util.h"
namespace aria2 {
BufferedFile::BufferedFile(const char* filename, const char* mode)
:
#ifdef __MINGW32__
fp_(a2fopen(utf8ToWChar(filename).c_str(), utf8ToWChar(mode).c_str())),
#else // !__MINGW32__
fp_(a2fopen(filename, mode)),
#endif // !__MINGW32__
supportsColor_(fp_ ? isatty(fileno(fp_)) : false)
{}
BufferedFile::BufferedFile(FILE* fp)
: fp_(fp), supportsColor_(fp_ ? isatty(fileno(fp_)) : false)
{}
BufferedFile::~BufferedFile()
{
close();
}
size_t BufferedFile::onRead(void* ptr, size_t count)
{
return fread(ptr, 1, count, fp_);
}
size_t BufferedFile::onWrite(const void* ptr, size_t count)
{
return fwrite(ptr, 1, count, fp_);
}
char* BufferedFile::onGets(char* s, int size)
{
return fgets(s, size, fp_);
}
int BufferedFile::onClose()
{
int rv = 0;
if (fp_) {
rv = fclose(fp_);
fp_ = nullptr;
}
return rv;
}
int BufferedFile::onVprintf(const char* format, va_list va)
{
return vfprintf(fp_, format, va);
}
int BufferedFile::onFlush()
{
return fflush(fp_);
}
bool BufferedFile::onSupportsColor()
{
return supportsColor_;
}
bool BufferedFile::isError() const
{
return ferror(fp_);
}
bool BufferedFile::isEOF() const
{
return feof(fp_);
}
bool BufferedFile::isOpen() const
{
return fp_;
}
} // namespace aria2