/*
 * Copyright 1987, 1988 by MIT Student Information Processing Board
 *
 * For copyright information, see copyright.h.
 */

#ifndef SS__INTERNAL_H
#define SS__INTERNAL_H
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#include "ss.h"

typedef char BOOL;

typedef struct _ss_abbrev_entry {
    char *name;			/* abbrev name */
    char **abbrev;		/* new tokens to insert */
    unsigned int beginning_of_line : 1;
} ss_abbrev_entry;

typedef struct _ss_abbrev_list {
    int n_abbrevs;
    ss_abbrev_entry *first_abbrev;
} ss_abbrev_list;

typedef struct {
/*    char *path; */
    ss_abbrev_list abbrevs[127];
} ss_abbrev_info;

typedef struct _ss_data {	/* init values */
    /* this subsystem */
    char *subsystem_name;
    char *subsystem_version;
    /* current request info */
    int argc;
    char **argv;		/* arg list */
    char const *current_request; /* primary name */
    /* info directory for 'help' */
    char **info_dirs;
    /* to be extracted by subroutines */
    void *info_ptr;		/* (void *) NULL */
    /* for ss_listen processing */
    char *prompt;
    ss_request_table **rqt_tables;
    ss_abbrev_info *abbrev_info;
    struct {
	unsigned int escape_disabled : 1;
	unsigned int abbrevs_disabled : 1;
    } flags;
    /* to get out */
    int abort;			/* exit subsystem */
    int exit_status;
} ss_data;

#define CURRENT_SS_VERSION 1

#define	ss_info(sci_idx)	(_ss_table[sci_idx])
#define	ss_current_request(sci_idx,code_ptr)	\
     (*code_ptr=0,ss_info(sci_idx)->current_request)
void ss_unknown_function();
void ss_delete_info_dir();
int ss_execute_line();
char **ss_parse();
ss_abbrev_info *ss_abbrev_initialize(char *, int *);
void ss_page_stdin();

extern ss_data **_ss_table;
extern char *ss_et_msgs[];

#endif /* SS__INTERNAL_H */
