mirror of
https://github.com/dhewm/dhewm3.git
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156 lines
3.7 KiB
C++
156 lines
3.7 KiB
C++
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#include "../../idlib/precompiled.h"
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#pragma hdrstop
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#include "qe3.h"
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char token[MAXTOKEN];
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bool unget;
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const char *script_p;
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int scriptline;
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void StartTokenParsing (const char *data)
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{
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scriptline = 1;
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script_p = data;
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unget = false;
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}
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bool WINAPI GetToken (bool crossline)
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{
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char *token_p;
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if (unget) // is a token allready waiting?
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{
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unget = false;
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return true;
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}
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//
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// skip space
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//
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skipspace:
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while (*script_p <= 32)
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{
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if (!*script_p)
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{
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if (!crossline)
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common->Printf("Warning: Line %i is incomplete [01]\n",scriptline);
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return false;
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}
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if (*script_p++ == '\n')
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{
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if (!crossline)
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common->Printf("Warning: Line %i is incomplete [02]\n",scriptline);
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scriptline++;
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}
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}
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if (script_p[0] == '/' && script_p[1] == '/') // comment field
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{
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if (!crossline)
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common->Printf("Warning: Line %i is incomplete [03]\n",scriptline);
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while (*script_p++ != '\n')
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if (!*script_p)
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{
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if (!crossline)
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common->Printf("Warning: Line %i is incomplete [04]\n",scriptline);
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return false;
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}
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goto skipspace;
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}
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//
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// copy token
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//
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token_p = token;
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if (*script_p == '"')
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{
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script_p++;
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//if (*script_p == '"') // handle double quotes i suspect they are put in by other editors cccasionally
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// script_p++;
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while ( *script_p != '"' )
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{
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if (!*script_p)
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Error ("EOF inside quoted token");
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*token_p++ = *script_p++;
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if (token_p == &token[MAXTOKEN])
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Error ("Token too large on line %i",scriptline);
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}
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script_p++;
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//if (*script_p == '"') // handle double quotes i suspect they are put in by other editors cccasionally
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// script_p++;
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}
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else while ( *script_p > 32 )
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{
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*token_p++ = *script_p++;
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if (token_p == &token[MAXTOKEN])
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Error ("Token too large on line %i",scriptline);
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}
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*token_p = 0;
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return true;
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}
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void WINAPI UngetToken (void)
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{
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unget = true;
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}
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/*
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==============
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TokenAvailable
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Returns true if there is another token on the line
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==============
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*/
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bool TokenAvailable (void)
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{
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const char *search_p;
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search_p = script_p;
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while ( *search_p <= 32)
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{
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if (*search_p == '\n')
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return false;
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if (*search_p == 0)
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return false;
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search_p++;
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}
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if (*search_p == ';')
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return false;
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return true;
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}
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