151 lines
3.4 KiB
Plaintext
151 lines
3.4 KiB
Plaintext
/*
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This file is part of Warzone 2100.
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Copyright (C) 1999-2004 Eidos Interactive
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Copyright (C) 2005-2007 Warzone Resurrection Project
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Warzone 2100 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 2 of the License, or
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(at your option) any later version.
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Warzone 2100 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 Warzone 2100; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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%{
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/*
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* StrRes.l
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*
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* Lex file for parsing string resource files
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*/
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#include "lib/framework/frame.h"
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#include <stdio.h>
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/* Allow frame header files to be singly included */
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#define FRAME_LIB_INCLUDE
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#include <string.h>
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#include "lib/framework/types.h"
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#include "lib/framework/debug.h"
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#include "lib/framework/treap.h"
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#include "lib/framework/strres.h"
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#include "lib/framework/strresly.h"
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#include <physfs.h>
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/* Get the Yacc definitions */
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#include "strres_parser.tab.h"
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void strres_error(const char *pMessage,...);
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/* Maximum length for any TEXT_T value */
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#define YYLMAX 8192
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/* Store for any string values */
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extern char aText[TEXT_BUFFERS][YYLMAX];
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static UDWORD currText=0;
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// Note if in a comment
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static BOOL inComment;
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/* Handle to the input file */
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static PHYSFS_file* pReadFile = NULL;
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#define YY_INPUT(buf,result,max_size) \
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if (PHYSFS_eof(pReadFile)) \
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{ \
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buf[0] = EOF; result = YY_NULL; \
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} \
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else { \
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result = PHYSFS_read(pReadFile, buf, 1, max_size); \
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if (result == -1) \
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{ \
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buf[0] = EOF; result = YY_NULL; \
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} \
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}
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%}
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%option nounput
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%option prefix="strres_"
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%option yylineno
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%x COMMENT
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%x QUOTE
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%x SLCOMMENT
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%%
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/* Match text values */
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[a-zA-Z][-0-9_a-zA-Z]* {
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strlcpy(aText[currText], strres_text, sizeof(aText[currText]));
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strres_lval.sval = aText[currText];
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currText = (currText + 1) % TEXT_BUFFERS;
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return TEXT_T;
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}
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/* Match quoted text */
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\" { BEGIN QUOTE; }
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<QUOTE>\" { BEGIN 0; }
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<QUOTE>\n { strres_error("Unexpected end of line in string"); }
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<QUOTE>[^\"\n]* {
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strlcpy(aText[currText], strres_text, sizeof(aText[currText]));
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strres_lval.sval = aText[currText];
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currText = (currText + 1) % TEXT_BUFFERS;
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return QTEXT_T;
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}
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/* Skip white space */
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[ \t\n\x0d\x0a] ;
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/* Strip comments */
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"/*" { inComment=TRUE; BEGIN COMMENT; }
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<COMMENT>"*/" |
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<COMMENT>"*/"\n { inComment=FALSE; BEGIN 0; }
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<COMMENT>. |
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<COMMENT>\n ;
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/* Strip single line comments */
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"//" { BEGIN SLCOMMENT; }
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<SLCOMMENT>\n { BEGIN 0; }
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<SLCOMMENT>[^\n]* ;
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/* Match anything that's been missed and pass it as a char */
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. return strres_text[0];
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%%
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/* Set the current input file for the lexer */
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void strresSetInputFile(PHYSFS_file* fileHandle)
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{
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pReadFile = fileHandle;
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/* Reset the lexer incase it's been used before */
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yy_flush_buffer( YY_CURRENT_BUFFER );
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}
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void strresGetErrorData(int *pLine, char **ppText)
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{
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*pLine = strres_lineno;
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*ppText = strres_text;
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}
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int strres_wrap(void)
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{
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if (inComment)
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{
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debug( LOG_ERROR, "Warning: reched end of file in a comment" );
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abort();
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}
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return 1;
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}
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