khanat-opennel-code/code/nel/src/misc/cmd_args.cpp

160 lines
3.8 KiB
C++

// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// Includes
//
#include "stdmisc.h"
#include "nel/misc/types_nl.h"
#include "nel/misc/sstring.h"
#include "nel/misc/cmd_args.h"
namespace NLMISC
{
bool CCmdArgs::haveArg(char argName) const
{
for(uint32 i = 0; i < _Args.size(); i++)
{
if(_Args[i].size() >= 2 && _Args[i][0] == '-')
{
if(_Args[i][1] == argName)
{
return true;
}
}
}
return false;
}
std::string CCmdArgs::getArg(char argName) const
{
for(uint32 i = 0; i < _Args.size(); i++)
{
if(_Args[i].size() >= 2 && _Args[i][0] == '-')
{
if(_Args[i][1] == argName)
{
/* Remove the first and last '"' :
-c"C:\Documents and Settings\toto.tmp"
will return :
C:\Documents and Settings\toto.tmp
*/
uint begin = 2;
if(_Args[i].size() < 3)
return "";
//throw Exception ("Parameter '-%c' is malformed, missing content", argName);
if(_Args[i][begin] == '"')
begin++;
// End
uint size = (uint)_Args[i].size();
if(size && _Args[i][size-1] == '"')
size--;
size = (uint)(std::max((int)0, (int)size-(int)begin));
return _Args[i].substr(begin, size);
}
}
}
throw Exception("Parameter '-%c' is not found in command line", argName);
}
bool CCmdArgs::haveLongArg(const char* argName) const
{
for(uint32 i = 0; i < _Args.size(); i++)
{
if(_Args[i].left(2)=="--" && _Args[i].leftCrop(2).splitTo('=')==argName)
{
return true;
}
}
return false;
}
std::string CCmdArgs::getLongArg (const char* argName) const
{
for (uint32 i = 0; i < _Args.size(); i++)
{
if (_Args[i].left(2)=="--" && _Args[i].leftCrop(2).splitTo('=')==argName)
{
NLMISC::CSString val= _Args[i].splitFrom('=');
if (!val.empty())
{
return val.unquoteIfQuoted();
}
if (i+1<_Args.size() && _Args[i+1].c_str()[0]!='-')
{
return _Args[i+1].unquoteIfQuoted();
}
return std::string();
}
}
return std::string();
}
void CCmdArgs::setArgs(const char *args)
{
_Args.push_back ("<ProgramName>");
std::string sargs (args);
std::string::size_type pos1 = 0, pos2 = 0;
do
{
// Look for the first non space character
pos1 = sargs.find_first_not_of (" ", pos2);
if(pos1 == std::string::npos) break;
// Look for the first space or "
pos2 = sargs.find_first_of (" \"", pos1);
if(pos2 != std::string::npos)
{
// " ?
if(sargs[pos2] == '"')
{
// Look for the final \"
pos2 = sargs.find_first_of ("\"", pos2+1);
if(pos2 != std::string::npos)
{
// Look for the first space
pos2 = sargs.find_first_of (" ", pos2+1);
}
}
}
// Compute the size of the string to extract
std::string::difference_type length = (pos2 != std::string::npos) ? pos2-pos1 : std::string::npos;
std::string tmp = sargs.substr (pos1, length);
_Args.push_back (tmp);
}
while(pos2 != std::string::npos);
}
void CCmdArgs::setArgs(int argc, const char **argv)
{
for (sint i = 0; i < argc; i++)
{
_Args.push_back (argv[i]);
}
}
}; // NAMESPACE NLMISC