+/* This file is part of GtkMathView-Bonobo, a Bonobo wrapper for GtkMathView.
+ * Copyright (C) 2003 Luca Padovani <lpadovan@cs.unibo.it>
+ * Pouria Masoudi <pmasoudi@cs.unibo.it>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * For more information, please visit the project's home page
+ * http://helm.cs.unibo.it/gtkmathview-bonobo
+ * or send an email to <lpadovan@cs.unibo.it>
+ */
+
+#include <config.h>
+
#include <bonobo.h>
#include <gtkmathview.h>
-#include <glib.h>
+
#include "persist-stream.h"
#include "control-factory.h"
-#define DEBUG
+#define DEBUG0
static BonoboObjectClass *gtk_math_view_persist_stream_parent_class;
static void finalize(GObject *object)
{
- GtkMathViewPersistStream *stream = GTK_MATH_VIEW_PERSIST_STREAM(object);
+ GtkMathViewPersistStream *stream = GTK_MATH_VIEW_PERSIST_STREAM(object);
- if(stream->math_view){
- g_object_unref(stream->math_view);
- stream->math_view = NULL;
+ if (stream->math_view != NULL)
+ {
+ g_object_unref(stream->math_view);
+ stream->math_view = NULL;
}
- G_OBJECT_CLASS(gtk_math_view_persist_stream_parent_class)->finalize(object);
+ G_OBJECT_CLASS(gtk_math_view_persist_stream_parent_class)->finalize(object);
}
static Bonobo_Persist_ContentTypeList *
get_content_types(BonoboPersist *persist,CORBA_Environment *ev)
{
- //FIXME:il tipo di dato non e` noto
- return bonobo_persist_generate_content_types(0);
+ return bonobo_persist_generate_content_types(2, "application/mathml+xml", "text/mathml");
}
static void
gtk_math_view_persist_stream_class_init(GtkMathViewPersistStreamClass *klass)
{
- GObjectClass *object_class = G_OBJECT_CLASS(klass);
- BonoboPersistClass *persist_class = BONOBO_PERSIST_CLASS(klass);
- POA_Bonobo_PersistStream__epv *epv = &klass->epv;
+ GObjectClass *object_class = G_OBJECT_CLASS(klass);
+ BonoboPersistClass *persist_class = BONOBO_PERSIST_CLASS(klass);
+ POA_Bonobo_PersistStream__epv *epv = &klass->epv;
#ifdef DEBUG
- printf("persist stream class init\n");
+ printf("persist stream class init\n");
#endif
- gtk_math_view_persist_stream_parent_class = g_type_class_peek_parent(klass);
+ gtk_math_view_persist_stream_parent_class = g_type_class_peek_parent(klass);
- epv->load = load_implementation;
- epv->save = save_implementation;
+ epv->load = load_implementation;
+ epv->save = save_implementation;
- object_class->finalize = finalize;
- persist_class->get_content_types = get_content_types;
+ object_class->finalize = finalize;
+ persist_class->get_content_types = get_content_types;
}
GType
gtk_math_view_persist_stream_get_type(void)
{
- static GType type = 0;
+ static GType type = 0;
#ifdef DEBUG
- printf("persist stream get type\n");
+ printf("persist stream get type\n");
#endif
- if(!type){
- GTypeInfo info={
- sizeof(GtkMathViewPersistStreamClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) gtk_math_view_persist_stream_class_init,
- NULL, /*class finalize */
- NULL, /*class data */
- sizeof(GtkMathViewPersistStream),
- 0, /* n_preallocs */
- (GInstanceInitFunc) NULL
- };
-
- type = bonobo_type_unique(
- BONOBO_TYPE_PERSIST,
- POA_Bonobo_PersistStream__init,POA_Bonobo_PersistStream__fini,
- G_STRUCT_OFFSET(GtkMathViewPersistStreamClass,epv),
- &info,"GtkMathViewPersistStream");
+ if (!type)
+ {
+ GTypeInfo info =
+ {
+ sizeof(GtkMathViewPersistStreamClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) gtk_math_view_persist_stream_class_init,
+ NULL, /*class finalize */
+ NULL, /*class data */
+ sizeof(GtkMathViewPersistStream),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) NULL
+ };
+
+ type = bonobo_type_unique(BONOBO_TYPE_PERSIST,
+ POA_Bonobo_PersistStream__init,POA_Bonobo_PersistStream__fini,
+ G_STRUCT_OFFSET(GtkMathViewPersistStreamClass,epv),
+ &info,"GtkMathViewPersistStream");
}
- return type;
+
+ return type;
}
BonoboObject *
gtk_math_view_persist_stream_new(GtkMathView *math_view)
{
- BonoboObject *stream;
+ BonoboObject *stream;
#ifdef DEBUG
- printf("persist stream new\n");
+ printf("persist stream new\n");
#endif
- stream = g_object_new(gtk_math_view_persist_stream_get_type(),NULL);
- bonobo_persist_construct(BONOBO_PERSIST(stream),CONTROL_FACTORY_ID);
+ stream = g_object_new(gtk_math_view_persist_stream_get_type(),NULL);
+ bonobo_persist_construct(BONOBO_PERSIST(stream),CONTROL_FACTORY_ID);
- g_object_ref(math_view);
- GTK_MATH_VIEW_PERSIST_STREAM(stream)->math_view = math_view;
+ g_object_ref(math_view);
+ GTK_MATH_VIEW_PERSIST_STREAM(stream)->math_view = math_view;
- return stream;
+ return stream;
}
static FILE*
create_tmp_file(GtkMathViewPersistStream *persist)
{
- FILE *tmpfile;
- int fd;
+ FILE *tmpfile;
+ int fd;
- persist->tmp_path_name = g_strconcat(g_get_tmp_dir(), "/ggvXXXXXX", NULL);
- if((fd = mkstemp(persist->tmp_path_name)) < 0) {
- g_free(persist->tmp_path_name),
- persist->tmp_path_name = NULL;
- return NULL;
+ persist->tmp_path_name = g_strconcat(g_get_tmp_dir(), "/gmvXXXXXX", NULL);
+ if ((fd = mkstemp(persist->tmp_path_name)) < 0)
+ {
+ g_free(persist->tmp_path_name),
+ persist->tmp_path_name = NULL;
+ return NULL;
}
- tmpfile = fdopen(fd, "w");
- if(!tmpfile) {
- close(fd);
- return NULL;
+
+ tmpfile = fdopen(fd, "w");
+ if(!tmpfile)
+ {
+ close(fd);
+ return NULL;
}
- return tmpfile;
+
+ return tmpfile;
}
const CORBA_char *type,
CORBA_Environment *ev)
{
- GtkMathViewPersistStream *persist = GTK_MATH_VIEW_PERSIST_STREAM (bonobo_object_from_servant (servant));
- Bonobo_Stream_iobuf *buffer;
- GtkMathViewPersistStream *handle;
- CORBA_long len_read;
- gboolean result;
- FILE *tmpfile;
+ GtkMathViewPersistStream *persist = GTK_MATH_VIEW_PERSIST_STREAM (bonobo_object_from_servant (servant));
+ Bonobo_Stream_iobuf *buffer;
+ GtkMathViewPersistStream *handle;
+ CORBA_long len_read;
+ gboolean result;
+ FILE *tmpfile;
#ifdef DEBUG
- printf("persist stream loading\n");
+ printf("persist stream loading\n");
#endif
- if (strcmp (type, "application/mathml+xml") != 0) {
- CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
- ex_Bonobo_Persist_WrongDataType, NULL);
- return;
+ if (strcmp (type, "application/mathml+xml") != 0)
+ {
+ CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
+ ex_Bonobo_Persist_WrongDataType, NULL);
+ return;
}
-
- tmpfile = create_tmp_file(persist);
- do {
- Bonobo_Stream_read (stream, 4096, &buffer, ev);
+
+ tmpfile = create_tmp_file(persist);
+ do
+ {
+ Bonobo_Stream_read (stream, 4096, &buffer, ev);
+ if (ev->_major != CORBA_NO_EXCEPTION)
+ goto clean;
- if (ev->_major != CORBA_NO_EXCEPTION || buffer->_length <= 0) {
- CORBA_free (buffer);
- goto clean;
- }
-
- len_read = buffer->_length;
- if (buffer->_buffer && len_read)
- if(fwrite(buffer->_buffer, 1, len_read, tmpfile) != len_read) {
- CORBA_free (buffer);
- goto clean;
- }
+ len_read = buffer->_length;
+
+ if (buffer->_buffer && len_read)
+ if (fwrite(buffer->_buffer, 1, len_read, tmpfile) != len_read)
+ {
+ CORBA_free (buffer);
+ goto clean;
+ }
- CORBA_free (buffer);
- } while (1);
+ CORBA_free (buffer);
+ } while (len_read > 0);
+
+ fclose(tmpfile);
- fclose(tmpfile);
- result = gtk_math_view_load_uri(persist->math_view,persist->tmp_path_name);
- if(!result)
+ result = gtk_math_view_load_uri(persist->math_view,persist->tmp_path_name);
+ if(!result)
{
- CORBA_exception_set(ev,CORBA_USER_EXCEPTION,ex_Bonobo_Persist_WrongDataType,NULL);
+ CORBA_exception_set(ev,CORBA_USER_EXCEPTION,ex_Bonobo_Persist_WrongDataType,NULL);
}
- //FIXME non sono sicuro di questo
- bonobo_object_unref(BONOBO_OBJECT(stream));
- return ;
+ return ;
-clean:
- fclose (tmpfile);
- return;
+ clean:
+ fclose (tmpfile);
+ return;
}
static void
projects / helm.git / blobdiff