Neater importer stuff.

svn path=/trunk/; revision=7828

1 files changed, 217 insertions, 0 deletions

diff --git a/mail/evolution-mbox-importer.c b/mail/evolution-mbox-importer.c
new file mode 100644
index 0000000000..3556f2b68f
--- /dev/null
+++ b/mail/evolution-mbox-importer.c
@@ -0,0 +1,217 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* evolution-mbox-importer.c
+ *
+ * Authors: Iain Holmes <iain@ximian.com>
+ *
+ * Copyright (C) 2001  Ximian, Inc.
+ *
+ * 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 2 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <bonobo/bonobo-object.h>
+#include <bonobo/bonobo-generic-factory.h>
+
+#include <stdio.h>
+
+#include <importer/evolution-importer.h>
+#include <importer/GNOME_Evolution_Importer.h>
+
+#include "mail-importer.h"
+
+#include <camel/camel-exception.h>
+
+typedef struct {
+	MailImporter importer; /* Parent */
+
+	char *filename;
+	FILE *handle;
+	off_t size;
+} MboxImporter;
+
+
+/* EvolutionImporter methods */
+
+static void
+process_item_fn (EvolutionImporter *eimporter,
+		 CORBA_Object listener,
+		 void *closure,
+		 CORBA_Environment *ev)
+{
+	MboxImporter *mbi = (MboxImporter *) closure;
+	MailImporter *importer = (MailImporter *) mbi;
+	CamelException *ex;
+	static char *line = NULL;
+
+	if (line == NULL)
+		line = g_new0 (char, 4096);
+
+	if (line != NULL) { 
+		/* We had a From line the last time
+		   so just add it and start again */
+		mail_importer_add_line (importer, line, FALSE);
+	}
+
+	if (fgets (line, 4096, mbi->handle) == NULL) {
+		if (*line != '\0')
+			mail_importer_add_line (importer, line, TRUE); 
+		/* Must be the end */
+
+		g_free (line);
+		line = NULL;
+		GNOME_Evolution_ImporterListener_notifyResult (listener,
+							       GNOME_Evolution_ImporterListener_OK,
+							       FALSE, ev);
+		
+		ex = camel_exception_new ();
+		camel_folder_thaw (importer->folder);
+		camel_folder_sync (importer->folder, FALSE, ex);
+		camel_exception_free (ex);
+		fclose (mbi->handle);
+		mbi->handle = NULL;
+		return;
+	}
+
+	mail_importer_add_line (importer, line, FALSE);
+	while (strncmp (line, "From ", 5) != 0) {
+		mail_importer_add_line (importer, line, FALSE);
+
+		if (fgets (line, 4096, mbi->handle) == NULL) {
+			if (*line != '\0')
+				mail_importer_add_line (importer, line, TRUE);
+
+			g_free (line);
+			line = NULL;
+			GNOME_Evolution_ImporterListener_notifyResult (listener,
+								       GNOME_Evolution_ImporterListener_OK,
+								       FALSE, ev);
+			ex = camel_exception_new ();
+			camel_folder_thaw (importer->folder);
+			camel_folder_sync (importer->folder, FALSE, ex);
+			camel_exception_free (ex);
+			fclose (mbi->handle);
+			mbi->handle = NULL;
+			return;
+		}
+	}	
+	
+	mail_importer_add_line (importer, "\0", TRUE);
+	GNOME_Evolution_ImporterListener_notifyResult (listener, 
+						       GNOME_Evolution_ImporterListener_OK,
+						       TRUE, ev);
+		
+	return;
+}
+
+static gboolean
+support_format_fn (EvolutionImporter *importer,
+		   const char *filename,
+		   void *closure)
+{
+	FILE *handle;
+	char signature[5];
+	
+	handle = fopen (filename, "rb");
+	if (handle == NULL)
+		return FALSE; /* Can't open file: Can't support it :) */
+	
+	/* SIGNATURE */
+	fread (&signature, 5, 1, handle); 
+	if (strcmp (signature, "From ") == 0) {
+		fclose (handle);
+		return TRUE;
+	}
+
+	fclose (handle);
+	return FALSE; 
+}
+
+static void
+importer_destroy_cb (GtkObject *object,
+		     MboxImporter *mbi)
+{
+	MailImporter *importer;
+
+	importer = (MailImporter *) mbi;
+	if (importer->folder)
+		camel_object_unref (CAMEL_OBJECT (importer->folder));
+
+	g_free (mbi->filename);
+	if (mbi->handle)
+		fclose (mbi->handle);
+
+	g_free (mbi);
+}
+
+static gboolean
+load_file_fn (EvolutionImporter *eimporter,
+	      const char *filename,
+	      void *closure)
+{
+	MboxImporter *mbi;
+	MailImporter *importer;
+	struct stat buf;
+
+	mbi = (MboxImporter *) closure;
+	importer = (MailImporter *) mbi;
+
+	mbi->filename = g_strdup (filename);
+
+	mbi->handle = fopen (filename, "rb");
+	if (mbi->handle == NULL) {
+		g_warning ("Cannot open file");
+		return FALSE;
+	}
+
+	/* Get size of file */
+	if (stat (filename, &buf) == -1) {
+		g_warning ("Cannot stat file");
+		return FALSE;
+	}
+	
+	mbi->size = buf.st_size;
+
+	importer->mstream = NULL;
+	importer->folder = mail_importer_get_folder ("Inbox", NULL);
+
+	if (importer->folder == NULL){
+		g_print ("Bad folder\n");
+		return FALSE;
+	}
+
+	camel_folder_freeze (importer->folder);
+	return TRUE;
+}
+
+BonoboObject *
+mbox_factory_fn (BonoboGenericFactory *_factory,
+		 void *closure)
+{
+	EvolutionImporter *importer;
+	MboxImporter *mbox;
+	
+	mbox = g_new0 (MboxImporter, 1);
+	importer = evolution_importer_new (support_format_fn, load_file_fn,
+					   process_item_fn, NULL, mbox);
+	gtk_signal_connect (GTK_OBJECT (importer), "destroy",
+			    GTK_SIGNAL_FUNC (importer_destroy_cb), mbox);
+	
+	return BONOBO_OBJECT (importer);
+}
+