/*
  Copyright (C) 1991-2002, The Numerical Algorithms Group Ltd.
  All rights reserved.
  Copyright (C) 2007-2016, Gabriel Dos Reis.
  All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are
  met:

      - Redistributions of source code must retain the above copyright
        notice, this list of conditions and the following disclaimer.

      - Redistributions in binary form must reproduce the above copyright
        notice, this list of conditions and the following disclaimer in
        the documentation and/or other materials provided with the
        distribution.

      - Neither the name of The Numerical Algorithms Group Ltd. nor the
        names of its contributors may be used to endorse or promote products
        derived from this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _PARSE_H_
#define _PARSE_H_ 1

#include "openaxiom-c-macros.h"

#ifdef SUNplatform
#include <sys/types.h>
#endif

#include <sys/stat.h>
#include <fcntl.h>
#include <sys/errno.h>
#include <ctype.h>
#include "hyper.h"

#include <setjmp.h>

extern void display_page(HyperDocPage * page);
extern void init_parse_patch(HyperDocPage * page);
extern void load_page(HyperDocPage * page);
extern void parse_HyperDoc(void );
extern void parse_from_string(char * str);
extern HyperDocPage * parse_page_from_socket(void );
extern HyperDocPage * parse_page_from_unixfd(void );
extern HyperLink * make_input_window(InputItem * item);
extern HyperLink * make_box_window(InputBox * box , int type);
extern void initialize_default(InputItem * item , char * buff);
extern void parse_inputstring();
extern void parse_simplebox();
extern void parse_radiobox();
extern void init_paste_item(InputItem * item);
extern void repaste_item();
extern InputItem * current_item();
extern int already_there(char * name);
extern void parse_radioboxes();
extern void add_dependencies(void );
extern FILE * find_fp(FilePosition fp);
extern char * get_input_string(void );
extern HyperLink * make_link_window(TextNode * link_node , int type , int isSubWin);
extern HyperLink * make_paste_window(PasteNode * paste);
extern void make_special_pages(HashTable * pageHashTable);
extern int window_code(Window * w , int size);
extern int window_equal(Window * w1 , Window * w2);
extern char * window_id(Window w);
extern void read_ht_db(HashTable * page_hash , HashTable * macro_hash , HashTable * patch_hash);
extern int get_filename();
extern int is_number(const char * str);
extern void parser_error(char * str);
extern SourceInputKind get_where();
extern void scan_HyperDoc();
extern int number(const char * str);
extern ParameterList init_parameter_elem(int number);
extern int push_parameters(ParameterList);
extern int pop_parameters();
extern int parse_macro();
extern void parse_parameters();

extern jmp_buf  jmpbuf;
extern int      vbuff;

extern TextNode *cur_spadcom;   /* spad command being parsed *** */
extern TextNode *curr_node;
extern long     page_start_fpos;/* tells the character position of the start
                                 * of the page, needed to find the current
                                 * position when restoring the scanner */

/*
 * Default sizes of hash tables
 */

#define LinkHashSize    25
#define DependHashSize  20

extern HashTable *gLinkHashTable;    /* the hash table of active link windows */

/*
 * Flags and defines for the modes the parser can be in
 */

#define AllMode            0
#define NoVerticalMode     1
#define SimpleMode         2

extern short int gParserMode;

/*
 * Flags and defines for telling us what part of the page is being parsed.
 */

extern short int gParserRegion;
extern short int gStringValueOk;
extern bool   gEndedPage;

extern int      line_number;

/*
 * Things for handling macro parameters
 */



extern ParameterList parameters;


/*
 * The error buffer
 */

extern char     ebuffer[];

#endif