aria2/src/UriListParser.cc

116 lines
3.3 KiB
C++

/* <!-- 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 "UriListParser.h"
#include <cstring>
#include <sstream>
#include "util.h"
#include "Option.h"
#include "OptionHandlerFactory.h"
#include "OptionHandler.h"
#include "A2STR.h"
#include "BufferedFile.h"
#include "OptionParser.h"
#if HAVE_ZLIB
#include "GZipFile.h"
#endif
namespace aria2 {
UriListParser::UriListParser(const std::string& filename)
#if HAVE_ZLIB
: fp_(new GZipFile(filename.c_str(), IOFile::READ))
#else
: fp_(new BufferedFile(filename.c_str(), IOFile::READ))
#endif
{}
UriListParser::~UriListParser() {}
void UriListParser::parseNext(std::vector<std::string>& uris, Option& op)
{
const SharedHandle<OptionParser>& optparser = OptionParser::getInstance();
while(1) {
if(!line_.empty() && line_[0] != '#') {
util::split(line_.begin(), line_.end(), std::back_inserter(uris),
'\t', true);
// Read options
std::stringstream ss;
while(1) {
line_ = fp_->getLine();
if(line_.empty()) {
if(fp_->eof()) {
break;
} else if(!fp_) {
throw DL_ABORT_EX("UriListParser:I/O error.");
} else {
continue;
}
}
if(line_[0] == ' ' || line_[0] == '\t') {
ss << line_ << "\n";
} else if(line_[0] == '#') {
continue;
} else {
break;
}
}
optparser->parse(op, ss);
return;
}
line_ = fp_->getLine();
if(line_.empty()) {
if(fp_->eof()) {
return;
} else if(!fp_) {
throw DL_ABORT_EX("UriListParser:I/O error.");
}
}
}
}
bool UriListParser::hasNext()
{
bool rv = !line_.empty() || (fp_ && *fp_ && !fp_->eof());
if (!rv) {
fp_->close();
}
return rv;
}
} // namespace aria2