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/* <!-- 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 "IOFile.h"
#include <cstring>
#include <cstdarg>
#include <ostream>
#include "a2io.h"
#include "util.h"
namespace aria2 {
const char IOFile::READ[] = "rb";
const char IOFile::WRITE[] = "wb";
const char IOFile::APPEND[] = "ab";
IOFile::operator unspecified_bool_type() const
{
bool ok = isOpen() && !isError();
return ok ? &IOFile::goodState : nullptr;
}
size_t IOFile::read(void* ptr, size_t count)
{
return onRead(ptr, count);
}
size_t IOFile::write(const void* ptr, size_t count)
{
return onWrite(ptr, count);
}
size_t IOFile::write(const char* str)
{
return write(str, strlen(str));
}
char* IOFile::gets(char* s, int size)
{
return onGets(s, size);
}
char* IOFile::getsn(char* s, int size)
{
char* ptr = gets(s, size);
if(ptr) {
int len = strlen(ptr);
if(ptr[len-1] == '\n') {
ptr[len-1] = '\0';
}
}
return ptr;
}
std::string IOFile::getLine()
{
std::string res;
if(eof()) {
return res;
}
char buf[4096];
while(gets(buf, sizeof(buf))) {
size_t len = strlen(buf);
bool lineBreak = false;
if(buf[len-1] == '\n') {
--len;
lineBreak = true;
}
res.append(buf, len);
if(lineBreak) {
break;
}
}
return res;
}
int IOFile::close()
{
return onClose();
}
bool IOFile::eof()
{
return !isOpen() || isEOF();
}
size_t IOFile::transfer(std::ostream& out)
{
size_t count = 0;
char buf[4096];
while(1) {
size_t r = this->read(buf, sizeof(buf));
out.write(buf, r);
count += r;
if(r < sizeof(buf)) {
break;
}
}
return count;
}
int IOFile::vprintf(const char* format, va_list va)
{
return onVprintf(format, va);
}
int IOFile::flush()
{
return onFlush();
}
bool IOFile::supportsColor()
{
return onSupportsColor();
}
} // namespace aria2
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