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/******************************Module*Header***********************************\
* * ******************* * * GDI SAMPLE CODE * * ******************* * * Module Name: extparse.h * * Header fiel for all the token parser functions * * Copyright (C) 1994-1998 3Dlabs Inc. Ltd. All rights reserved. * Copyright (C) 1995-1999 Microsoft Corporation. All rights reserved. ******************************************************************************/#ifndef __EXTPARSE__H__
#define __EXTPARSE__H__
int iParseTokenizer(char* pcCmdStr, char** ppcTok);int iParseFindNonSwitch(char** ppcTok, int iTok, int iStart = 0);
int iParseIsToken(char **ppcTok, int iTokPos, char* pcChk);int iParseiIsToken(char **ppcTok, int iTokPos, char* pcChk);
int iParseFindToken(char** ppcTok, int iTok, char* pcSrchTok);int iParseiFindToken(char** ppcTok, int iTok, char* pcSrchTok);
int iParseIsSwitch(char** ppcTok, int iTokPos, char cSwitch);int iParseiIsSwitch(char** ppcTok, int iTokPos, char cSwitch);int iParseFindSwitch(char** ppcTok, int iTok, char cSwitch);int iParseiFindSwitch(char** ppcTok, int iTok, char cSwitch);
/**********************************Public*Routine******************************\
* * Parse the arguments passed to the extension * Automatically handle the -? option * ******************************************************************************/#define PARSE_ARGUMENTS(ext_label) \
char tmp_args[200]; \ char *tokens[40]; \ int ntok, tok_pos; \ strcpy(tmp_args, args); \ ntok = iParseTokenizer(tmp_args, tokens); \ if(ntok>0) { \ tok_pos=iParseFindSwitch(tokens, ntok, '?'); \ if(tok_pos>=0) { \ goto ext_label; \ } \ } \ tok_pos=0
/**********************************Public*Routine******************************\
* * Parse the arguments assuming a required parameter * which is a pointer to be parsed with the expression * handler. * ******************************************************************************/#define PARSE_POINTER(ext_label) \
UINT_PTR arg; \ PARSE_ARGUMENTS(ext_label); \ if(ntok<1) {goto ext_label;} \ tok_pos = iParseFindNonSwitch(tokens, ntok); \ if(tok_pos==-1) {goto ext_label;} \ arg = (UINT_PTR)GetExpression(tokens[tok_pos])
#endif
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