185 lines
3.6 KiB
Plaintext
185 lines
3.6 KiB
Plaintext
%{
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/*
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* This is a plug-in for PIKA.
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*
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* Generates clickable image maps.
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*
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* Copyright (C) 1998-1999 Maurits Rijk lpeek.mrijk@consunet.nl
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#include <math.h>
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#include <glib/gstdio.h>
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#include <gtk/gtk.h>
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#include "imap_circle.h"
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#include "imap_file.h"
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#include "imap_main.h"
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#include "imap_polygon.h"
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#include "imap_rectangle.h"
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#include "imap_string.h"
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extern int cern_lex(void);
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extern int cern_restart(FILE *cern_in);
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static void cern_error(char* s);
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static Object_t *current_object;
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%}
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%union {
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int val;
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double value;
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char *id;
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}
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%token<val> RECTANGLE POLYGON CIRCLE DEFAULT
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%token<val> AUTHOR DESCRIPTION BEGIN_COMMENT
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%token<value> FLOAT
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%token<id> COMMENT LINK
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%%
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cern_file : area_list
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;
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area_list : /* Empty */
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| area_list area
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;
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area : default
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| rectangle
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| circle
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| polygon
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| comment_line
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;
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default : DEFAULT LINK
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{
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MapInfo_t *info = get_map_info();
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g_strreplace(&info->default_url, $2);
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g_free ($2);
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}
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;
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rectangle : RECTANGLE '(' FLOAT ',' FLOAT ')' '(' FLOAT ',' FLOAT ')' LINK
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{
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gint x = (gint) $3;
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gint y = (gint) $5;
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gint width = (gint) fabs($8 - x);
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gint height = (gint) fabs($10 - y);
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current_object = create_rectangle(x, y, width, height);
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object_set_url(current_object, $12);
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add_shape(current_object);
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g_free ($12);
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}
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;
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circle : CIRCLE '(' FLOAT ',' FLOAT ')' FLOAT LINK
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{
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gint x = (gint) $3;
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gint y = (gint) $5;
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gint r = (gint) $7;
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current_object = create_circle(x, y, r);
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object_set_url(current_object, $8);
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add_shape(current_object);
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g_free ($8);
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}
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;
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polygon : POLYGON {current_object = create_polygon(NULL);} coord_list LINK
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{
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object_set_url(current_object, $4);
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add_shape(current_object);
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g_free ($4);
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}
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;
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coord_list : /* Empty */
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| coord_list coord
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{
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}
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;
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coord : '(' FLOAT ',' FLOAT ')'
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{
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Polygon_t *polygon = ObjectToPolygon(current_object);
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GdkPoint *point = new_point((gint) $2, (gint) $4);
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polygon->points = g_list_append(polygon->points,
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(gpointer) point);
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}
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;
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comment_line : author_line
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| description_line
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| real_comment
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;
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real_comment : BEGIN_COMMENT COMMENT
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{
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g_free ($2);
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}
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;
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author_line : AUTHOR COMMENT
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{
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MapInfo_t *info = get_map_info();
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g_strreplace(&info->author, $2);
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g_free ($2);
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}
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;
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description_line: DESCRIPTION COMMENT
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{
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MapInfo_t *info = get_map_info();
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gchar *description;
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description = g_strconcat(info->description, $2, "\n",
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NULL);
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g_strreplace(&info->description, description);
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g_free ($2);
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}
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;
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%%
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static void
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cern_error(char* s)
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{
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extern FILE *cern_in;
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cern_restart(cern_in);
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}
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gboolean
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load_cern(const char* filename)
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{
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gboolean status;
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extern FILE *cern_in;
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cern_in = g_fopen(filename, "r");
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if (cern_in) {
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status = !cern_parse();
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fclose(cern_in);
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} else {
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status = FALSE;
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}
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return status;
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}
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