196 lines
3.8 KiB
Plaintext
196 lines
3.8 KiB
Plaintext
%{
|
|
/*
|
|
* This is a plug-in for PIKA.
|
|
*
|
|
* Generates clickable image maps.
|
|
*
|
|
* Copyright (C) 1998-1999 Maurits Rijk lpeek.mrijk@consunet.nl
|
|
*
|
|
* 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 3 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, see <https://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include <math.h>
|
|
|
|
#include <glib/gstdio.h>
|
|
|
|
#include <gtk/gtk.h>
|
|
|
|
#include "imap_circle.h"
|
|
#include "imap_file.h"
|
|
#include "imap_main.h"
|
|
#include "imap_polygon.h"
|
|
#include "imap_rectangle.h"
|
|
#include "imap_string.h"
|
|
|
|
extern int ncsa_lex(void);
|
|
extern int ncsa_restart(FILE *ncsa_in);
|
|
static void ncsa_error(char* s);
|
|
|
|
static Object_t *current_object;
|
|
|
|
%}
|
|
|
|
%union {
|
|
int val;
|
|
double value;
|
|
char *id;
|
|
}
|
|
|
|
%token<val> RECTANGLE POLYGON CIRCLE DEFAULT
|
|
%token<val> AUTHOR TITLE DESCRIPTION BEGIN_COMMENT
|
|
%token<value> FLOAT
|
|
%token<id> LINK COMMENT
|
|
|
|
%%
|
|
|
|
ncsa_file : comment_lines area_list
|
|
;
|
|
|
|
comment_lines : /* empty */
|
|
| comment_lines comment_line
|
|
;
|
|
|
|
comment_line : author_line
|
|
| title_line
|
|
| description_line
|
|
| real_comment
|
|
;
|
|
|
|
real_comment : BEGIN_COMMENT COMMENT
|
|
{
|
|
g_free ($2);
|
|
}
|
|
;
|
|
|
|
author_line : AUTHOR COMMENT
|
|
{
|
|
MapInfo_t *info = get_map_info();
|
|
g_strreplace(&info->author, $2);
|
|
g_free ($2);
|
|
}
|
|
;
|
|
|
|
title_line : TITLE COMMENT
|
|
{
|
|
MapInfo_t *info = get_map_info();
|
|
g_strreplace(&info->title, $2);
|
|
g_free ($2);
|
|
}
|
|
;
|
|
|
|
description_line: DESCRIPTION COMMENT
|
|
{
|
|
MapInfo_t *info = get_map_info();
|
|
gchar *description;
|
|
|
|
description = g_strconcat(info->description, $2, "\n",
|
|
NULL);
|
|
g_strreplace(&info->description, description);
|
|
g_free ($2);
|
|
}
|
|
;
|
|
|
|
area_list : /* Empty */
|
|
| area_list area
|
|
;
|
|
|
|
area : default
|
|
| rectangle
|
|
| circle
|
|
| polygon
|
|
| real_comment
|
|
;
|
|
|
|
default : DEFAULT LINK
|
|
{
|
|
MapInfo_t *info = get_map_info();
|
|
g_strreplace(&info->default_url, $2);
|
|
g_free ($2);
|
|
}
|
|
;
|
|
|
|
|
|
rectangle : RECTANGLE LINK FLOAT ',' FLOAT FLOAT ',' FLOAT
|
|
{
|
|
gint x = (gint) $3;
|
|
gint y = (gint) $5;
|
|
gint width = (gint) fabs($6 - x);
|
|
gint height = (gint) fabs($8 - y);
|
|
current_object = create_rectangle(x, y, width, height);
|
|
object_set_url(current_object, $2);
|
|
add_shape(current_object);
|
|
g_free ($2);
|
|
}
|
|
;
|
|
|
|
circle : CIRCLE LINK FLOAT ',' FLOAT FLOAT ',' FLOAT
|
|
{
|
|
gint x = (gint) $3;
|
|
gint y = (gint) $5;
|
|
gint r = (gint) fabs($8 - $5);
|
|
current_object = create_circle(x, y, r);
|
|
object_set_url(current_object, $2);
|
|
add_shape(current_object);
|
|
g_free ($2);
|
|
}
|
|
;
|
|
|
|
polygon : POLYGON LINK {current_object = create_polygon(NULL);} coord_list
|
|
{
|
|
object_set_url(current_object, $2);
|
|
add_shape(current_object);
|
|
g_free ($2);
|
|
}
|
|
;
|
|
|
|
coord_list : /* Empty */
|
|
| coord_list coord
|
|
{
|
|
}
|
|
;
|
|
|
|
coord : FLOAT ',' FLOAT
|
|
{
|
|
Polygon_t *polygon = ObjectToPolygon(current_object);
|
|
GdkPoint *point = new_point((gint) $1, (gint) $3);
|
|
polygon->points = g_list_append(polygon->points,
|
|
(gpointer) point);
|
|
}
|
|
;
|
|
|
|
%%
|
|
|
|
static void
|
|
ncsa_error(char* s)
|
|
{
|
|
extern FILE *ncsa_in;
|
|
ncsa_restart(ncsa_in);
|
|
}
|
|
|
|
gboolean
|
|
load_ncsa(const char* filename)
|
|
{
|
|
gboolean status;
|
|
extern FILE *ncsa_in;
|
|
ncsa_in = g_fopen(filename, "r");
|
|
if (ncsa_in) {
|
|
status = !ncsa_parse();
|
|
fclose(ncsa_in);
|
|
} else {
|
|
status = FALSE;
|
|
}
|
|
return status;
|
|
}
|
