summaryrefslogtreecommitdiffstats
path: root/plug-ins/imagemap/imap_csim.y
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:13:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:13:10 +0000
commit3c57dd931145d43f2b0aef96c4d178135956bf91 (patch)
tree3de698981e9f0cc2c4f9569b19a5f3595e741f6b /plug-ins/imagemap/imap_csim.y
parentInitial commit. (diff)
downloadgimp-3c57dd931145d43f2b0aef96c4d178135956bf91.tar.xz
gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.zip
Adding upstream version 2.10.36.upstream/2.10.36
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--plug-ins/imagemap/imap_csim.y396
1 files changed, 396 insertions, 0 deletions
diff --git a/plug-ins/imagemap/imap_csim.y b/plug-ins/imagemap/imap_csim.y
new file mode 100644
index 0000000..abc2dff
--- /dev/null
+++ b/plug-ins/imagemap/imap_csim.y
@@ -0,0 +1,396 @@
+%{
+/*
+ * This is a plug-in for GIMP.
+ *
+ * Generates clickable image maps.
+ *
+ * Copyright (C) 1998-2005 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 <stdlib.h>
+#include <string.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 csim_lex(void);
+extern int csim_restart(FILE *csim_in);
+static void csim_error(char* s);
+static gchar * unescape_text(gchar *input);
+
+static enum {UNDEFINED, RECTANGLE, CIRCLE, POLYGON} current_type;
+static Object_t *current_object;
+static MapInfo_t *_map_info;
+
+%}
+
+%union {
+ int val;
+ double value;
+ char *id;
+}
+
+%token<val> IMG SRC WIDTH HEIGHT BORDER USEMAP
+%token<val> START_MAP END_MAP NAME AREA SHAPE COORDS ALT HREF NOHREF
+%token<val> TARGET ONMOUSEOVER ONMOUSEOUT ONFOCUS ONBLUR
+%token<val> AUTHOR DESCRIPTION BEGIN_COMMENT END_COMMENT
+%token<value> FLOAT
+%token<id> STRING
+
+%type<val> integer_value
+
+%%
+
+csim_file : image start_map comment_lines area_list end_map
+ ;
+
+image : '<' IMG SRC '=' STRING image_tags xhtml_close
+ {
+ g_strreplace(&_map_info->image_name, $5);
+ g_free ($5);
+ }
+ ;
+
+image_tags : /* Empty */
+ | image_tags image_tag
+ ;
+
+image_tag : image_width
+ | image_height
+ | BORDER '=' integer_value {}
+ | USEMAP '=' STRING { g_free ($3); }
+ | ALT '=' STRING { g_free ($3); }
+ ;
+
+image_width : WIDTH '=' integer_value
+ {
+ _map_info->old_image_width = $3;
+ }
+ ;
+
+image_height : HEIGHT '=' integer_value
+ {
+ _map_info->old_image_height = $3;
+ }
+ ;
+
+integer_value : FLOAT
+ {
+ $$ = (gint) $1;
+ }
+ | STRING
+ {
+ $$ = (gint) g_ascii_strtod ($1, NULL);
+ g_free ($1);
+ }
+ ;
+
+start_map : '<' START_MAP NAME '=' STRING '>'
+ {
+ g_strreplace(&_map_info->title, $5);
+ g_free ($5);
+ }
+ ;
+
+comment_lines : /* empty */
+ | comment_lines comment_line
+ ;
+
+comment_line : author_line
+ | description_line
+ | real_comment
+ ;
+
+real_comment : BEGIN_COMMENT STRING END_COMMENT
+ {
+ g_free ($2);
+ }
+ ;
+
+author_line : AUTHOR STRING END_COMMENT
+ {
+ g_strreplace(&_map_info->author, $2);
+ g_free ($2);
+ }
+ ;
+
+description_line: DESCRIPTION STRING END_COMMENT
+ {
+ gchar *description;
+
+ description = g_strconcat(_map_info->description, $2, "\n",
+ NULL);
+ g_strreplace(&_map_info->description, description);
+ g_free ($2);
+ }
+ ;
+
+area_list : /* empty */
+ | area_list area
+ ;
+
+area : '<' AREA tag_list xhtml_close
+ {
+ if (current_type != UNDEFINED)
+ add_shape(current_object);
+ }
+ ;
+
+xhtml_close : '>'
+ | '/' '>'
+ ;
+
+tag_list : /* Empty */
+ | tag_list tag
+ ;
+
+tag : shape_tag
+ | coords_tag
+ | href_tag
+ | nohref_tag
+ | alt_tag
+ | target_tag
+ | onmouseover_tag
+ | onmouseout_tag
+ | onfocus_tag
+ | onblur_tag
+ ;
+
+shape_tag : SHAPE '=' STRING
+ {
+ if (!g_ascii_strcasecmp($3, "RECT")) {
+ current_object = create_rectangle(0, 0, 0, 0);
+ current_type = RECTANGLE;
+ } else if (!g_ascii_strcasecmp($3, "CIRCLE")) {
+ current_object = create_circle(0, 0, 0);
+ current_type = CIRCLE;
+ } else if (!g_ascii_strcasecmp($3, "POLY")) {
+ current_object = create_polygon(NULL);
+ current_type = POLYGON;
+ } else if (!g_ascii_strcasecmp($3, "DEFAULT")) {
+ current_type = UNDEFINED;
+ }
+ g_free ($3);
+ }
+ ;
+
+coords_tag : COORDS '=' STRING
+ {
+ char *p;
+ if (current_type == RECTANGLE) {
+ Rectangle_t *rectangle;
+
+ rectangle = ObjectToRectangle(current_object);
+ p = strtok($3, ",");
+ rectangle->x = atoi(p);
+ p = strtok(NULL, ",");
+ rectangle->y = atoi(p);
+ p = strtok(NULL, ",");
+ rectangle->width = atoi(p) - rectangle->x;
+ p = strtok(NULL, ",");
+ rectangle->height = atoi(p) - rectangle->y;
+ } else if (current_type == CIRCLE) {
+ Circle_t *circle;
+
+ circle = ObjectToCircle(current_object);
+ p = strtok($3, ",");
+ circle->x = atoi(p);
+ p = strtok(NULL, ",");
+ circle->y = atoi(p);
+ p = strtok(NULL, ",");
+ circle->r = atoi(p);
+ } else if (current_type == POLYGON) {
+ Polygon_t *polygon = ObjectToPolygon(current_object);
+ GList *points;
+ GdkPoint *point, *first;
+ gint x, y;
+
+ p = strtok($3, ",");
+ x = atoi(p);
+ p = strtok(NULL, ",");
+ y = atoi(p);
+ point = new_point(x, y);
+ points = g_list_append(NULL, (gpointer) point);
+
+ while(1) {
+ p = strtok(NULL, ",");
+ if (!p)
+ break;
+ x = atoi(p);
+ p = strtok(NULL, ",");
+ y = atoi(p);
+ point = new_point(x, y);
+ points = g_list_append(points, (gpointer) point);
+ }
+ /* Remove last point if duplicate */
+ first = (GdkPoint*) points->data;
+ polygon->points = points;
+ if (first->x == point->x && first->y == point->y)
+ polygon_remove_last_point(polygon);
+ polygon->points = points;
+ }
+
+ g_free ($3);
+ }
+ ;
+
+href_tag : HREF '=' STRING
+ {
+ if (current_type == UNDEFINED) {
+ g_strreplace(&_map_info->default_url, $3);
+ } else {
+ object_set_url(current_object, unescape_text($3));
+ }
+ g_free ($3);
+ }
+ ;
+
+nohref_tag : NOHREF optional_value
+ {
+ }
+ ;
+
+optional_value : /* Empty */
+ | '=' STRING
+ {
+ g_free ($2);
+ }
+ ;
+
+alt_tag : ALT '=' STRING
+ {
+ object_set_comment(current_object, unescape_text($3));
+ g_free ($3);
+ }
+ ;
+
+target_tag : TARGET '=' STRING
+ {
+ object_set_target(current_object, unescape_text($3));
+ g_free ($3);
+ }
+ ;
+
+onmouseover_tag : ONMOUSEOVER '=' STRING
+ {
+ object_set_mouse_over(current_object, unescape_text($3));
+ g_free ($3);
+ }
+ ;
+
+onmouseout_tag : ONMOUSEOUT '=' STRING
+ {
+ object_set_mouse_out(current_object, unescape_text($3));
+ g_free ($3);
+ }
+ ;
+
+onfocus_tag : ONFOCUS '=' STRING
+ {
+ object_set_focus(current_object, unescape_text($3));
+ g_free ($3);
+ }
+ ;
+
+onblur_tag : ONBLUR '=' STRING
+ {
+ object_set_blur(current_object, unescape_text($3));
+ g_free ($3);
+ }
+ ;
+
+end_map : '<' END_MAP '>'
+ ;
+
+%%
+
+static void
+csim_error(char* s)
+{
+ extern FILE *csim_in;
+ csim_restart(csim_in);
+}
+
+gboolean
+load_csim (const char* filename)
+{
+ gboolean status;
+ extern FILE *csim_in;
+ csim_in = g_fopen(filename, "r");
+ if (csim_in) {
+ _map_info = get_map_info();
+ status = !csim_parse();
+ fclose(csim_in);
+ } else {
+ status = FALSE;
+ }
+ return status;
+}
+
+static gchar*
+unescape_text (gchar *input)
+{
+ /*
+ * We "unescape" simple things "in place", knowing that unescaped
+ * strings always are shorter than the original input.
+ *
+ * It is a shame there is no g_markup_unescape_text() function, but
+ * instead you have to create a full GMarkupParser/Context.
+ */
+ struct token {
+ const char *escaped;
+ const char unescaped;
+ };
+ const struct token tab[] = {
+ { "&quot;", '"' },
+ { "&apos;", '\'' },
+ { "&amp;", '&' },
+ { "&lt;", '<' },
+ { "&gt;", '>' }
+ };
+
+ size_t i;
+ for (i = 0; i < (sizeof tab / sizeof tab[0]); i++)
+ {
+ const size_t escaped_len = strlen (tab[i].escaped);
+ char *p;
+
+ /* FIXME: The following code does not perform a UTF-8 substring
+ search. */
+ for (p = strstr (input, tab[i].escaped);
+ p != NULL;
+ p = strstr (p, tab[i].escaped))
+ {
+ size_t copy_len;
+ *p++ = tab[i].unescaped;
+ copy_len = strlen (p) - escaped_len + 2;
+ memmove (p, p + escaped_len - 1, copy_len);
+ if (*p == 0)
+ break;
+ }
+ }
+
+ return input;
+}