timewarrior/src/util.cpp
2016-05-21 16:47:56 -05:00

106 lines
3.1 KiB
C++

////////////////////////////////////////////////////////////////////////////////
//
// Copyright 2006 - 2016, Paul Beckingham, Federico Hernandez.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// http://www.opensource.org/licenses/mit-license.php
//
////////////////////////////////////////////////////////////////////////////////
#include <cmake.h>
#include <timew.h>
#include <string>
////////////////////////////////////////////////////////////////////////////////
std::string osName ()
{
#if defined (DARWIN)
return "Darwin";
#elif defined (SOLARIS)
return "Solaris";
#elif defined (CYGWIN)
return "Cygwin";
#elif defined (HAIKU)
return "Haiku";
#elif defined (OPENBSD)
return "OpenBSD";
#elif defined (FREEBSD)
return "FreeBSD";
#elif defined (NETBSD)
return "NetBSD";
#elif defined (LINUX)
return "Linux";
#elif defined (KFREEBSD)
return "GNU/kFreeBSD";
#elif defined (GNUHURD)
return "GNU/Hurd";
#else
return STRING_DOM_UNKNOWN;
#endif
}
////////////////////////////////////////////////////////////////////////////////
// Escape all 'c' --> '\c'.
std::string escape (const std::string& input, int c)
{
std::string output;
auto last = input.begin ();
for (auto i = input.begin (); i != input.end (); ++i)
{
if (*i == c)
{
output.append (last, i);
output += std::string ("\\") + *i;
last = i + 1;
}
// Default NOP.
}
output.append (last, input.end ());
return output;
}
////////////////////////////////////////////////////////////////////////////////
std::string quoteIfNeeded (const std::string& input)
{
if (input[0] == '"' || input[0] == '\'')
return input;
auto quote = input.find ('"');
auto space = input.find (' ');
auto op = input.find_first_of ("+-/()<^!=~");
if (quote == std::string::npos &&
space == std::string::npos &&
op == std::string::npos)
return input;
std::string output;
if (quote != std::string::npos)
output = escape (input, '"');
else
output = input;
return std::string ("\"") + output + "\"";
}
////////////////////////////////////////////////////////////////////////////////