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/* -*- c -*- */
/* -------------------------------------------------------------------- *
** copyright (c) 1995 ipvr stuttgart and thomas harrer
** -------------------------------------------------------------------- *
**
** libhelp
**
** a comprehensive hypertext help system for OSF/Motif(tm) applications.
** based on libhtmlw from NCSA Mosaic(tm) version 2.4
**
** written by thomas harrer
** e-mail: Thomas.Harrer@rus.uni-stuttgart.de
**
** -------------------------------------------------------------------- *
*h $Id: helpp.h,v 1.45 1995/06/28 12:59:30 thomas Exp $
** -------------------------------------------------------------------- *
**
*h module: helpp.h
**
** contents: private definitions for help lib
** libhelp is based on libhtmlw
**
** interface: can be included via preprocessor #include
**
** -------------------------------------------------------------------- *
** license and copying issues:
**
** this software is free; you can redistribute it and/or modify it
** under terms similar to the gnu general public license (version 1
** or any later version published by the free software foundation).
** see the file Licence for more details.
**
** 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.
** -------------------------------------------------------------------- */
#ifndef _HELPP_H_
#define _HELPP_H_ 1
/* -------------------------------------------------------------------- *
*g initial buffer size
** -------------------------------------------------------------------- */
#ifndef INIT_SIZE
# define INIT_SIZE 4096
#endif /* !INIT_SIZE */
/* -------------------------------------------------------------------- *
*g local definitions
** -------------------------------------------------------------------- */
/*
* the help system uses now a dynamic image cache strategy.
* the cache starts at IMG_CACHE_SIZE and can grow to have all images
* of one html document in core. if not all slots are used for the
* current image the cache shrinks by one slot.
*/
#ifndef IMG_CACHE_SIZE
# define IMG_CACHE_SIZE 8
#endif /* !IMG_CACHE_SIZE */
/*
* the buffer cache size is controlled here. BCACHE_SIZE is the number
* of available cache slots. (there is no memory limit for buffers yet).
*/
#ifndef BCACHE_SIZE
# define BCACHE_SIZE 5
#endif /* !BCACHE_SIZE */
/*
* the initial libhelp search path. can be augmented at runtime with
* the LIBHELPPATH environment variable.
*/
#ifndef HELP_PATH
# define HELP_PATH "/usr/local/lib/mpsql/help:."
#endif /* !HELP_PATH */
#ifndef COLORS_PER_IMAGE
# define COLORS_PER_IMAGE 50
#endif /* !COLORS_PER_IMAGE */
/* -------------------------------------------------------------------- *
*g include files
** -------------------------------------------------------------------- */
#include <stdio.h>
#include <stdlib.h>
#include <X11/Xos.h>
#include "help.h"
/* -------------------------------------------------------------------- *
*g identification
** -------------------------------------------------------------------- */
#include "version.h"
#ifndef NO_RCSID
#ifndef RCSID
#define RCSID needed
#endif /* !defined(RCSID) */
#endif /* !defined(NO_RCSID) */
/* editres support */
#if (XtSpecificationRelease > 4)
# define EDITRES_SUPPORT
# include <X11/Xmu/Editres.h>
#endif
#ifdef EDITRES_SUPPORT
# define editres_support(_shell) \
XtAddEventHandler (_shell, (EventMask) 0, True, \
(XtEventHandler) _XEditResCheckMessages, NULL)
#else
# define editres_support(_shell)
#endif /* EDITRES_SUPPORT */
/* -------------------------------------------------------------------- *
*g libhelp resources
** libhelp resources can be set by the application (the user of the
** help service) via the function help_set_resource.
** -------------------------------------------------------------------- */
/* internal resources types */
typedef enum {
help_int,
help_string,
help_boolean
} representation_t;
/* internal resources */
typedef struct resource_s {
int resource; /* in the resource array the same as */
/* the index to the element.*/
representation_t rep;
XtPointer value;
} resource_t;
#define help_end_of_resources -1
/* -------------------------------------------------------------------- *
*g error codes
** -------------------------------------------------------------------- */
/* Here we should have mapping from error codes to strings */
/* for more than one language. */
#define no_error 0
#define error_out_of_memory 1
#define error_cannot_open_display 2
#define error_inconsistency 3
#define error_no_file_specified 4
#define fatal_error(code) { \
fprintf (stderr, \
"Error (code %d) in file %s line %d\na", \
code, __FILE__, __LINE__); \
exit (EXIT_FAILURE); \
}
/* -------------------------------------------------------------------- *
*g checked malloc macros
** -------------------------------------------------------------------- */
#include "check.h"
/* -------------------------------------------------------------------- *
*g useful definitions
** -------------------------------------------------------------------- */
#ifndef FOPEN_READ_STRING
# define FOPEN_READ_STRING "r"
#endif /* !FOPEN_READ_STRING */
/* some c libraris do not define these: */
#ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
#endif /* !EXIT_SUCCESS */
#ifndef EXIT_FAILURE
# define EXIT_FAILURE 1
#endif /* !EXIT_FAILURE */
/* -------------------------------------------------------------------- *
*g history debugging macros.
** -------------------------------------------------------------------- */
#ifdef EXECUTE
#define execute(_str) \
{ \
(void) fprintf (stderr, "------\t%s\n", _str); \
}
#else
#define execute(_str)
#endif /* EXECUTE */
#ifdef DEBUG
#define trace(x) \
{ \
(void) printf x; \
(void) fflush (stdout); \
}
#define hist_trace(x) printf x
#else
#define trace(x)
#define hist_trace(x)
#endif /* DEBUG */
#ifdef CACHE_DEBUG
#define cache_trace(x) printf x
#else
#define cache_trace(x)
#endif /* CACHE_DEBUG */
#ifdef BCACHE_DEBUG
#define bcache_trace(_format,_val) \
{ \
if (_val) { \
(void) printf (_format, _val); \
} else { \
(void) printf (_format, "<null>"); \
} \
fflush (stdout); \
}
#else
#define bcache_trace(_format,_val)
#endif /* BCACHE_DEBUG */
#endif /* !_HELPP_H_ */
/* -------------------------------------------------------------------- *
*L Emacs:
** Local Variables:
** mode: c
** outline-regexp: "\*[HGPLT]"
** gh-language: "english"
** comment-column: 32
** eval: (outline-minor-mode t)
** End:
** -------------------------------------------------------------------- */
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