diff options
Diffstat (limited to 'backend/epub/epub-document.c')
| -rw-r--r-- | backend/epub/epub-document.c | 148 |
1 files changed, 121 insertions, 27 deletions
diff --git a/backend/epub/epub-document.c b/backend/epub/epub-document.c index 39c114e3..b61d2eac 100644 --- a/backend/epub/epub-document.c +++ b/backend/epub/epub-document.c @@ -23,6 +23,7 @@ typedef enum _xmlParseReturnType typedef struct _contentListNode { gchar* key ; gchar* value ; + gint index ; }contentListNode; typedef struct _EpubDocumentClass EpubDocumentClass; @@ -65,14 +66,6 @@ epub_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document, } static void -epub_document_get_page_size (EvDocument *document, - EvPage *page, - double *width, - double *height) -{ -} - -static void epub_document_thumbnails_get_dimensions (EvDocumentThumbnails *document, EvRenderContext *rc, gint *width, @@ -80,9 +73,10 @@ epub_document_thumbnails_get_dimensions (EvDocumentThumbnails *document, { gdouble page_width, page_height; - epub_document_get_page_size (EV_DOCUMENT (document), rc->page, - &page_width, &page_height); - + /*epub_document_get_page_size (EV_DOCUMENT (document), rc->page, + &page_width, &page_height);*/ + page_width = 800 ; + page_width = 600 ; if (rc->rotation == 90 || rc->rotation == 270) { *width = (gint) (page_height * rc->scale); *height = (gint) (page_width * rc->scale); @@ -486,7 +480,7 @@ extract_one_file(EpubDocument* epub_document,GError ** error) g_string_free(gfilepath,TRUE); g_free(currentfilename); g_free(buffer); - + return TRUE; } static gboolean @@ -585,7 +579,7 @@ get_uri_to_content(const gchar* uri,GError ** error,gchar* tmp_archive_dir) { GError * err = NULL ; gchar* containerpath = g_filename_from_uri(uri,NULL,&err); - GString* absolutepath = g_string_new(NULL); + GString* absolutepath ; gchar* content_uri ; xmlNodePtr rootfileNode ; xmlChar* relativepath; @@ -613,7 +607,7 @@ get_uri_to_content(const gchar* uri,GError ** error,gchar* tmp_archive_dir) return NULL ; } - if ( set_xml_root_node("container") == FALSE) { + if ( set_xml_root_node((xmlChar*)"container") == FALSE) { g_set_error_literal(error, EV_DOCUMENT_ERROR, @@ -622,7 +616,7 @@ get_uri_to_content(const gchar* uri,GError ** error,gchar* tmp_archive_dir) return NULL ; } - if ( (rootfileNode = xml_get_pointer_to_node("rootfile","media-type","application/oebps-package+xml")) == NULL) + if ( (rootfileNode = xml_get_pointer_to_node((xmlChar*)"rootfile",(xmlChar*)"media-type",(xmlChar*)"application/oebps-package+xml")) == NULL) { g_set_error_literal(error, EV_DOCUMENT_ERROR, @@ -640,8 +634,8 @@ get_uri_to_content(const gchar* uri,GError ** error,gchar* tmp_archive_dir) _("epub file is corrupt,no container")); return NULL ; } - g_string_printf(absolutepath,"%s/%s",tmp_archive_dir,relativepath); - + absolutepath = g_string_new(tmp_archive_dir); + g_string_append_printf(absolutepath,"/%s",relativepath); content_uri = g_filename_to_uri(absolutepath->str,NULL,&err); if ( !content_uri ) { if (err) { @@ -655,7 +649,7 @@ get_uri_to_content(const gchar* uri,GError ** error,gchar* tmp_archive_dir) } return NULL ; } - free(absolutepath); + g_string_free(absolutepath,TRUE); return content_uri ; } @@ -665,7 +659,7 @@ setup_document_content_list(const gchar* content_uri, GError** error,gchar *tmp_ { GList* newlist = NULL ; GError * err = NULL ; - + gint indexcounter= 1; xmlNodePtr manifest,spine,itemrefptr,itemptr ; gboolean errorflag = FALSE; @@ -681,7 +675,7 @@ setup_document_content_list(const gchar* content_uri, GError** error,gchar *tmp_ return FALSE ; } - if ( set_xml_root_node("package") == FALSE) { + if ( set_xml_root_node((xmlChar*)"package") == FALSE) { g_set_error_literal(error, EV_DOCUMENT_ERROR, @@ -690,7 +684,7 @@ setup_document_content_list(const gchar* content_uri, GError** error,gchar *tmp_ return FALSE ; } - if ( ( spine = xml_get_pointer_to_node("spine",NULL,NULL) )== NULL ) + if ( ( spine = xml_get_pointer_to_node((xmlChar*)"spine",NULL,NULL) )== NULL ) { g_set_error_literal(error, EV_DOCUMENT_ERROR, @@ -699,7 +693,7 @@ setup_document_content_list(const gchar* content_uri, GError** error,gchar *tmp_ return FALSE ; } - if ( ( manifest = xml_get_pointer_to_node("manifest",NULL,NULL) )== NULL ) + if ( ( manifest = xml_get_pointer_to_node((xmlChar*)"manifest",NULL,NULL) )== NULL ) { g_set_error_literal(error, EV_DOCUMENT_ERROR, @@ -711,7 +705,7 @@ setup_document_content_list(const gchar* content_uri, GError** error,gchar *tmp_ xmlretval = NULL ; /*Get first instance of itemref from the spine*/ - xml_parse_children_of_node(spine,"itemref",NULL,NULL); + xml_parse_children_of_node(spine,(xmlChar*)"itemref",NULL,NULL); if ( xmlretval != NULL ) itemrefptr = xmlretval ; @@ -730,7 +724,7 @@ setup_document_content_list(const gchar* content_uri, GError** error,gchar *tmp_ if ( xmlStrcmp(itemrefptr->name,(xmlChar*)"itemref") == 0) { contentListNode* newnode = g_malloc0(sizeof(newnode)); - newnode->key = xml_get_data_from_node(itemrefptr,XML_ATTRIBUTE,(xmlChar*)"idref"); + newnode->key = (gchar*)xml_get_data_from_node(itemrefptr,XML_ATTRIBUTE,(xmlChar*)"idref"); if ( newnode->key == NULL ) { errorflag =TRUE; @@ -748,7 +742,7 @@ setup_document_content_list(const gchar* content_uri, GError** error,gchar *tmp_ errorflag=TRUE; break; } - relativepath = xml_get_data_from_node(itemptr,XML_ATTRIBUTE,(xmlChar*)"href"); + relativepath = (gchar*)xml_get_data_from_node(itemptr,XML_ATTRIBUTE,(xmlChar*)"href"); g_string_assign(absolutepath,tmp_archive_dir); g_string_append_printf(absolutepath,"/%s",relativepath); newnode->value = g_filename_to_uri(absolutepath->str,NULL,&err); @@ -757,6 +751,8 @@ setup_document_content_list(const gchar* content_uri, GError** error,gchar *tmp_ errorflag =TRUE; break; } + + newnode->index = indexcounter++ ; newlist = g_list_prepend(newlist,newnode); } itemrefptr = itemrefptr->next ; @@ -781,7 +777,7 @@ setup_document_content_list(const gchar* content_uri, GError** error,gchar *tmp_ g_list_free_full(newlist,(GDestroyNotify)free_tree_nodes); return NULL ; } - + newlist = g_list_reverse(newlist); g_string_free(absolutepath,TRUE); return newlist ; @@ -823,6 +819,13 @@ epub_document_load (EvDocument* document, return FALSE; } + extract_epub_from_container (uri,epub_document,&err); + + if ( err ) + { + g_propagate_error( error,err ); + return FALSE; + } /*FIXME : can this be different, ever?*/ containerpath = g_string_new(epub_document->tmp_archive_dir); g_string_append_printf(containerpath,"/META-INF/container.xml"); @@ -841,8 +844,13 @@ epub_document_load (EvDocument* document, return FALSE; } + xml_free_doc() ; + epub_document->contentList = setup_document_content_list (contentOpfUri,&err,epub_document->tmp_archive_dir); + if ( xmldocument != NULL ) + xml_free_doc (); + if ( epub_document->contentList == NULL ) { g_propagate_error(error,err); @@ -875,6 +883,91 @@ epub_document_finalize (GObject *object) G_OBJECT_CLASS (epub_document_parent_class)->finalize (object); } +static EvDocumentInfo* +epub_document_get_info(EvDocument *document) +{ + EpubDocument *epub_document = EPUB_DOCUMENT(document); + GError *error = NULL ; + gchar* infofile ; + xmlNodePtr metanode ; + GString* buffer ; + gchar* archive_dir = epub_document->tmp_archive_dir; + GString* containerpath = g_string_new(epub_document->tmp_archive_dir); + g_string_append_printf(containerpath,"/META-INF/container.xml"); + gchar* containeruri = g_filename_to_uri(containerpath->str,NULL,&error); + if ( error ) + { + return NULL ; + } + gchar* uri = get_uri_to_content (containeruri,&error,archive_dir); + if ( error ) + { + return NULL ; + } + EvDocumentInfo* epubinfo = g_new0 (EvDocumentInfo, 1); + + if ( xmldocument != NULL ) + xml_free_doc(); + + infofile = g_filename_from_uri(uri,NULL,&error); + if ( error ) + return epubinfo; + + open_xml_document(infofile); + + set_xml_root_node((xmlChar*)"package"); + + metanode = xml_get_pointer_to_node((xmlChar*)"title",NULL,NULL); + if ( metanode == NULL ) + epubinfo->title = NULL ; + else + epubinfo->title = (char*)xml_get_data_from_node(metanode,XML_KEYWORD,NULL); + + metanode = xml_get_pointer_to_node((xmlChar*)"creator",NULL,NULL); + if ( metanode == NULL ) + epubinfo->author = g_strdup("unknown"); + else + epubinfo->author = xml_get_data_from_node(metanode,XML_KEYWORD,NULL); + + metanode = xml_get_pointer_to_node((xmlChar*)"subject",NULL,NULL); + if ( metanode == NULL ) + epubinfo->subject = g_strdup("unknown"); + else + epubinfo->subject = xml_get_data_from_node(metanode,XML_KEYWORD,NULL); + + buffer = g_string_new(xml_get_data_from_node (xmlroot,XML_ATTRIBUTE,(xmlChar*)"version")); + g_string_prepend(buffer,"epub "); + epubinfo->format = g_strdup(buffer->str); + + /*FIXME: Add more of these as you write the corresponding modules*/ + epubinfo->permissions = EV_DOCUMENT_PERMISSIONS_OK_TO_ADD_NOTES; + + epubinfo->layout = EV_DOCUMENT_LAYOUT_SINGLE_PAGE; + + metanode = xml_get_pointer_to_node((xmlChar*)"publisher",NULL,NULL); + if ( metanode == NULL ) + epubinfo->creator = g_strdup("unknown"); + else + epubinfo->creator = xml_get_data_from_node(metanode,XML_KEYWORD,NULL); + + /*TODO : Add a function to get date*/ + g_free(uri); + g_string_free(containerpath,TRUE); + g_string_free(buffer,TRUE); + return epubinfo ; +} + +static EvPage* +epub_document_get_page(EvDocument *document, + gint index) +{ + EpubDocument *epub_document = EPUB_DOCUMENT(document); + EvPage* page = ev_page_new(index); + contentListNode *listptr = g_list_nth_data (epub_document->contentList,--index); + page->backend_page = g_strdup(listptr->value); + return page ; +} + static void epub_document_class_init (EpubDocumentClass *klass) { @@ -886,6 +979,7 @@ epub_document_class_init (EpubDocumentClass *klass) ev_document_class->load = epub_document_load; ev_document_class->save = epub_document_save; ev_document_class->get_n_pages = epub_document_get_n_pages; - ev_document_class->get_page_size = epub_document_get_page_size; ev_document_class->render = epub_document_render; + ev_document_class->get_info = epub_document_get_info; + ev_document_class->get_page = epub_document_get_page; } |