+
+/* EvDocumentBookmarks Implementation */
+typedef struct
+{
+ /* goo GList, not glib */
+ GList *items;
+ int index;
+ int level;
+} BookmarksIter;
+
+static gchar *
+unicode_to_char (OutlineItem *outline_item,
+ UnicodeMap *uMap)
+{
+ GString gstr;
+ gchar buf[8]; /* 8 is enough for mapping an unicode char to a string */
+ int i, n;
+
+ for (i = 0; i < outline_item->getTitleLength(); ++i) {
+ n = uMap->mapUnicode(outline_item->getTitle()[i], buf, sizeof(buf));
+ gstr.append(buf, n);
+ }
+
+ return g_strdup (gstr.getCString ());
+}
+
+
+static gboolean
+pdf_document_bookmarks_has_document_bookmarks (EvDocumentBookmarks *document_bookmarks)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks);
+ Outline *outline;
+
+ g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE);
+
+ outline = pdf_document->doc->getOutline();
+ if (outline->getItems() != NULL &&
+ outline->getItems()->getLength() > 0)
+ return TRUE;
+
+ return FALSE;
+}
+
+static EvDocumentBookmarksIter *
+pdf_document_bookmarks_begin_read (EvDocumentBookmarks *document_bookmarks)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks);
+ Outline *outline;
+ BookmarksIter *iter;
+ GList *items;
+
+ g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), NULL);
+
+ outline = pdf_document->doc->getOutline();
+ items = outline->getItems();
+ if (! items)
+ return NULL;
+
+ iter = g_new0 (BookmarksIter, 1);
+ iter->items = items;
+ iter->index = 0;
+ iter->level = 0;
+
+ return (EvDocumentBookmarksIter *) iter;
+}
+
+static gboolean
+pdf_document_bookmarks_get_values (EvDocumentBookmarks *document_bookmarks,
+ EvDocumentBookmarksIter *bookmarks_iter,
+ char **title,
+ EvDocumentBookmarksType *type,
+ gint *page)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks);
+ BookmarksIter *iter = (BookmarksIter *)bookmarks_iter;
+ OutlineItem *anItem;
+ LinkAction *link_action;
+ LinkDest *link_dest = NULL;
+ LinkURI *link_uri = NULL;
+ LinkGoTo *link_goto = NULL;
+ GString *named_dest;
+ Unicode *link_title;
+ Ref page_ref;
+ gint page_num = -1;
+
+ g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE);
+ g_return_val_if_fail (iter != NULL, FALSE);
+ g_return_val_if_fail (title != NULL, FALSE);
+ g_return_val_if_fail (type != NULL, FALSE);
+ g_return_val_if_fail (page != NULL, FALSE);
+
+ anItem = (OutlineItem *)iter->items->get(iter->index);
+ link_action = anItem->getAction ();
+ link_title = anItem->getTitle ();
+
+ if (link_action) {
+ switch (link_action->getKind ()) {
+
+ case actionGoTo:
+ link_goto = dynamic_cast <LinkGoTo *> (link_action);
+ link_dest = link_goto->getDest ();
+ named_dest = link_goto->getNamedDest ();
+
+ /* Wow! This seems excessively slow on large
+ * documents. I need to investigate more... -jrb */
+ if (link_dest != NULL) {
+ link_dest = link_dest->copy ();
+ } else if (named_dest != NULL) {
+ named_dest = named_dest->copy ();
+ link_dest = pdf_document->doc->findDest (named_dest);
+ delete named_dest;
+ }
+ if (link_dest != NULL) {
+ if (link_dest->isPageRef ()) {
+ page_ref = link_dest->getPageRef ();
+ page_num = pdf_document->doc->findPage (page_ref.num, page_ref.gen);
+ } else {
+ page_num = link_dest->getPageNum ();
+ }
+
+ delete link_dest;
+ }
+
+ break;
+ case actionURI:
+ link_uri = dynamic_cast <LinkURI *> (link_action);
+ break;
+
+ case actionNamed:
+ /*Skip, for now */
+ default:
+ g_warning ("Unknown link action type: %d", link_action->getKind ());
+ }
+
+ *title = g_strdup (unicode_to_char (anItem, pdf_document->umap));
+ } else if (link_title) {
+ *title = g_strdup (unicode_to_char (anItem, pdf_document->umap));
+ }
+
+ *type = EV_DOCUMENT_BOOKMARKS_TYPE_LINK;
+ *page = page_num;
+
+ return TRUE;
+}
+
+static EvDocumentBookmarksIter *
+pdf_document_bookmarks_get_child (EvDocumentBookmarks *document_bookmarks,
+ EvDocumentBookmarksIter *bookmarks_iter)
+{
+ BookmarksIter *iter = (BookmarksIter *)bookmarks_iter;
+ BookmarksIter *child_iter;
+ OutlineItem *anItem;
+
+ g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE);
+
+ anItem = (OutlineItem *)iter->items->get(iter->index);
+ anItem->open ();
+ if (! (anItem->hasKids() && anItem->getKids()) )
+ return NULL;
+
+ child_iter = g_new0 (BookmarksIter, 1);
+ child_iter->index = 0;
+ child_iter->level = iter->level + 1;
+ child_iter->items = anItem->getKids ();
+ g_assert (child_iter->items);
+
+ return (EvDocumentBookmarksIter *) child_iter;
+}
+
+static gboolean
+pdf_document_bookmarks_next (EvDocumentBookmarks *document_bookmarks,
+ EvDocumentBookmarksIter *bookmarks_iter)
+{
+ BookmarksIter *iter = (BookmarksIter *) bookmarks_iter;
+
+ g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE);
+
+ iter->index++;
+ if (iter->index >= iter->items->getLength())
+ return FALSE;
+
+ return TRUE;
+}
+
+static void
+pdf_document_bookmarks_free_iter (EvDocumentBookmarks *document_bookmarks,
+ EvDocumentBookmarksIter *iter)
+{
+ g_return_if_fail (PDF_IS_DOCUMENT (document_bookmarks));
+ g_return_if_fail (iter != NULL);
+
+ /* FIXME: Should I close all the nodes?? Free them? */
+ g_free (iter);
+}
+
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff