RetroShare/retroshare-gui/src/TorControl/StrUtil.cpp

119 lines
3.2 KiB
C++

/* Ricochet - https://ricochet.im/
* Copyright (C) 2014, John Brooks <john.brooks@dereferenced.net>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* * Neither the names of the copyright owners nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "StrUtil.h"
QByteArray quotedString(const QByteArray &string)
{
QByteArray out;
out.reserve(string.size() * 2);
out.append('"');
for (int i = 0; i < string.size(); ++i)
{
switch (string[i])
{
case '"':
out.append("\\\"");
break;
case '\\':
out.append("\\\\");
break;
default:
out.append(string[i]);
break;
}
}
out.append('"');
return out;
}
QByteArray unquotedString(const QByteArray &string)
{
if (string.size() < 2 || string[0] != '"')
return string;
QByteArray out;
out.reserve(string.size() - 2);
for (int i = 1; i < string.size(); ++i)
{
switch (string[i])
{
case '\\':
if (++i < string.size())
out.append(string[i]);
break;
case '"':
return out;
default:
out.append(string[i]);
}
}
return out;
}
QList<QByteArray> splitQuotedStrings(const QByteArray &input, char separator)
{
QList<QByteArray> out;
bool inquote = false;
int start = 0;
for (int i = 0; i < input.size(); ++i)
{
switch (input[i])
{
case '"':
inquote = !inquote;
break;
case '\\':
if (inquote)
++i;
break;
}
if (!inquote && input[i] == separator)
{
out.append(input.mid(start, i - start));
start = i+1;
}
}
if (start < input.size())
out.append(input.mid(start));
return out;
}