quake3/q3radiant/PARSE.CPP
2005-08-19 00:00:00 +00:00

148 lines
3.2 KiB
C++
Executable file

/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code 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.
Quake III Arena source code 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 Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#include "stdafx.h"
#include "qe3.h"
char token[MAXTOKEN];
qboolean unget;
char *script_p;
int scriptline;
void StartTokenParsing (char *data)
{
scriptline = 1;
script_p = data;
unget = false;
}
qboolean WINAPI GetToken (qboolean crossline)
{
char *token_p;
if (unget) // is a token allready waiting?
{
unget = false;
return true;
}
//
// skip space
//
skipspace:
while (*script_p <= 32)
{
if (!*script_p)
{
if (!crossline)
Sys_Printf("Warning: Line %i is incomplete [01]\n",scriptline);
return false;
}
if (*script_p++ == '\n')
{
if (!crossline)
Sys_Printf("Warning: Line %i is incomplete [02]\n",scriptline);
scriptline++;
}
}
if (script_p[0] == '/' && script_p[1] == '/') // comment field
{
if (!crossline)
Sys_Printf("Warning: Line %i is incomplete [03]\n",scriptline);
while (*script_p++ != '\n')
if (!*script_p)
{
if (!crossline)
Sys_Printf("Warning: Line %i is incomplete [04]\n",scriptline);
return false;
}
goto skipspace;
}
//
// copy token
//
token_p = token;
if (*script_p == '"')
{
script_p++;
//if (*script_p == '"') // handle double quotes i suspect they are put in by other editors cccasionally
// script_p++;
while ( *script_p != '"' )
{
if (!*script_p)
Error ("EOF inside quoted token");
*token_p++ = *script_p++;
if (token_p == &token[MAXTOKEN])
Error ("Token too large on line %i",scriptline);
}
script_p++;
//if (*script_p == '"') // handle double quotes i suspect they are put in by other editors cccasionally
// script_p++;
}
else while ( *script_p > 32 )
{
*token_p++ = *script_p++;
if (token_p == &token[MAXTOKEN])
Error ("Token too large on line %i",scriptline);
}
*token_p = 0;
return true;
}
void WINAPI UngetToken (void)
{
unget = true;
}
/*
==============
TokenAvailable
Returns true if there is another token on the line
==============
*/
qboolean TokenAvailable (void)
{
char *search_p;
search_p = script_p;
while ( *search_p <= 32)
{
if (*search_p == '\n')
return false;
if (*search_p == 0)
return false;
search_p++;
}
if (*search_p == ';')
return false;
return true;
}