aria2/src/ColorizedStream.cc

104 lines
2.8 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2013 Nils Maier
*
* 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 "ColorizedStream.h"
namespace aria2 {
namespace colors {
const Color black("30");
const Color red("31");
const Color green("32");
const Color yellow("33");
const Color blue("34");
const Color magenta("35");
const Color cyan("36");
const Color white("37");
const Color lightred("1;31");
const Color lightgreen("1;32");
const Color lightyellow("1;33");
const Color lightblue("1;34");
const Color lightmagenta("1;35");
const Color lightcyan("1;36");
const Color lightwhite("1;37");
const Color clear("0");
} // namespace colors
std::string ColorizedStreamBuf::str(bool color) const
{
std::stringstream rv;
for (const auto& e : elems) {
if (color || e.first != eColor) {
rv << e.second;
}
}
if (color) {
rv << colors::clear.str();
}
return rv.str();
}
std::string ColorizedStreamBuf::str(bool color, size_t max) const
{
std::stringstream rv;
for (const auto& e : elems) {
if (e.first == eColor) {
if (color) {
rv << e.second;
}
continue;
}
auto size = e.second.size();
if (size > max) {
rv.write(e.second.c_str(), max);
break;
}
rv << e.second;
max -= size;
if (!max) {
break;
}
}
if (color) {
rv << colors::clear.str();
}
return rv.str();
}
} // namespace aria2