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/*
WWW-SQL - parses HTML files and inserts information from MySQL databases
Copyright (C) 1997 James Henstridge <james@daa.com.au>
This program 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.
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* if.h - include file for if routines
* Include this in all files which need to think about if statements
*/
typedef struct if_stack {
int stat; /* 0 for false, 1 for true */
int active; /* if the code inside the if statement shouldn't
* be executed because of a surounding if statement,
* set this to 0. Set to 1 otherwise */
#ifdef NEW_SCANNER
/* extra code to extend if stack to handle while and print_loops */
/* for while and print loops, loop_start gives the file position for
* the initial loop command, and stat is set to 1. When the loop should
* be broken from, stat is set to 0.
*/
enum { LOOP_IF, LOOP_WHILE, LOOP_PRINT } loop_type;
long loop_start;
int looping; /* set by 'done' to indicate that we are looping around */
void *data; /* for a print_loop, this holds the query handle */
#endif
struct if_stack *prev; /* The if statement, one level up */
} IFSTACK;
extern IFSTACK *curIf;
#define checkIf (curIf->stat && curIf->active)
void initIfStack();
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