Initial cut for local provider, to handle mh/mailbox/maildir at

	least.
	Checking in to make a backup.

svn path=/trunk/; revision=6575

1 files changed, 204 insertions, 0 deletions

diff --git a/camel/providers/local/camel-mh-folder.c b/camel/providers/local/camel-mh-folder.c
new file mode 100644
index 0000000000..64f9bbee81
--- /dev/null
+++ b/camel/providers/local/camel-mh-folder.c
@@ -0,0 +1,204 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; fill-column: 160 -*-
+ *
+ * Authors: Michael Zucchi <notzed@helixcode.com>
+ *
+ * Copyright (C) 1999, 2000 Helix Code 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
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+
+#include "camel-mh-folder.h"
+#include "camel-mh-store.h"
+#include "string-utils.h"
+#include "camel-stream-fs.h"
+#include "camel-mh-summary.h"
+#include "camel-data-wrapper.h"
+#include "camel-mime-message.h"
+#include "camel-exception.h"
+
+#define d(x) (printf("%s(%d): ", __FILE__, __LINE__),(x))
+
+static CamelFolderClass *parent_class = NULL;
+
+/* Returns the class for a CamelMhFolder */
+#define CMHF_CLASS(so) CAMEL_MH_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so))
+#define CF_CLASS(so) CAMEL_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so))
+#define CMHS_CLASS(so) CAMEL_STORE_CLASS (CAMEL_OBJECT_GET_CLASS(so))
+
+static CamelLocalSummary *mh_create_summary(const char *path, const char *folder, ibex *index);
+
+static void mh_append_message(CamelFolder * folder, CamelMimeMessage * message, const CamelMessageInfo *info, CamelException * ex);
+static CamelMimeMessage *mh_get_message(CamelFolder * folder, const gchar * uid, CamelException * ex);
+
+static void mh_finalize(CamelObject * object);
+
+static void camel_mh_folder_class_init(CamelObjectClass * camel_mh_folder_class)
+{
+	CamelFolderClass *camel_folder_class = CAMEL_FOLDER_CLASS(camel_mh_folder_class);
+	CamelLocalFolderClass *lclass = (CamelLocalFolderClass *)camel_mh_folder_class;
+
+	parent_class = CAMEL_FOLDER_CLASS (camel_type_get_global_classfuncs(camel_folder_get_type()));
+
+	/* virtual method definition */
+
+	/* virtual method overload */
+	camel_folder_class->append_message = mh_append_message;
+	camel_folder_class->get_message = mh_get_message;
+
+	lclass->create_summary = mh_create_summary;
+}
+
+static void mh_init(gpointer object, gpointer klass)
+{
+	/*CamelFolder *folder = object;
+	  CamelMhFolder *mh_folder = object;*/
+}
+
+static void mh_finalize(CamelObject * object)
+{
+	/*CamelMhFolder *mh_folder = CAMEL_MH_FOLDER(object);*/
+}
+
+CamelType camel_mh_folder_get_type(void)
+{
+	static CamelType camel_mh_folder_type = CAMEL_INVALID_TYPE;
+
+	if (camel_mh_folder_type == CAMEL_INVALID_TYPE) {
+		camel_mh_folder_type = camel_type_register(CAMEL_LOCAL_FOLDER_TYPE, "CamelMhFolder",
+							   sizeof(CamelMhFolder),
+							   sizeof(CamelMhFolderClass),
+							   (CamelObjectClassInitFunc) camel_mh_folder_class_init,
+							   NULL,
+							   (CamelObjectInitFunc) mh_init,
+							   (CamelObjectFinalizeFunc) mh_finalize);
+	}
+
+	return camel_mh_folder_type;
+}
+
+CamelFolder *
+camel_mh_folder_new(CamelStore *parent_store, const char *full_name, guint32 flags, CamelException *ex)
+{
+	CamelFolder *folder;
+
+	d(printf("Creating mh folder: %s\n", full_name));
+
+	folder = (CamelFolder *)camel_object_new(CAMEL_MH_FOLDER_TYPE);
+	folder = (CamelFolder *)camel_local_folder_construct((CamelLocalFolder *)folder,
+							     parent_store, full_name, flags, ex);
+
+	return folder;
+}
+
+static CamelLocalSummary *mh_create_summary(const char *path, const char *folder, ibex *index)
+{
+	return (CamelLocalSummary *)camel_mh_summary_new(path, folder, index);
+}
+
+static void mh_append_message(CamelFolder * folder, CamelMimeMessage * message, const CamelMessageInfo *info, CamelException * ex)
+{
+	CamelMhFolder *mh_folder = (CamelMhFolder *)folder;
+	CamelLocalFolder *lf = (CamelLocalFolder *)folder;
+	CamelStream *output_stream;
+	CamelMessageInfo *mi;
+	char *name;
+
+	/* FIXME: probably needs additional locking */
+
+	d(printf("Appending message\n"));
+
+	/* add it to the summary/assign the uid, etc */
+	mi = camel_local_summary_add(lf->summary, message, info, lf->changes, ex);
+	if (camel_exception_is_set(ex)) {
+		return;
+	}
+
+	d(printf("Appending message: uid is %s\n", mi->uid));
+
+	/* write it out, use the uid we got from the summary */
+	name = g_strdup_printf("%s/%s", lf->folder_path, mi->uid);
+	output_stream = camel_stream_fs_new_with_name(name, O_WRONLY|O_CREAT, 0600);
+	if (output_stream == NULL) {
+		camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
+				     _("Cannot append message to mh folder: %s: %s"), name, g_strerror(errno));
+		g_free(name);
+		return;
+	}
+
+	if (camel_data_wrapper_write_to_stream((CamelDataWrapper *)message, output_stream) == -1) {
+		camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
+				     _("Cannot append message to mh folder: %s: %s"), name, g_strerror(errno));
+		camel_object_unref((CamelObject *)output_stream);
+		g_free(name);
+		return;
+	}
+
+	g_free(name);
+
+	camel_object_trigger_event((CamelObject *)folder, "folder_changed", ((CamelLocalFolder *)mh_folder)->changes);
+	camel_folder_change_info_clear(((CamelLocalFolder *)mh_folder)->changes);
+}
+
+static CamelMimeMessage *mh_get_message(CamelFolder * folder, const gchar * uid, CamelException * ex)
+{
+	CamelLocalFolder *lf = (CamelLocalFolder *)folder;
+	CamelStream *message_stream = NULL;
+	CamelMimeMessage *message = NULL;
+	CamelMessageInfo *info;
+	char *name;
+
+	d(printf("getting message: %s\n", uid));
+
+	/* get the message summary info */
+	if ((info = camel_folder_summary_uid((CamelFolderSummary *)lf->summary, uid)) == NULL) {
+		camel_exception_setv(ex, CAMEL_EXCEPTION_FOLDER_INVALID_UID, _("Cannot get message: %s\n  %s"), uid, _("No such message"));
+		return NULL;
+	}
+
+	name = g_strdup_printf("%s/%s", lf->folder_path, uid);
+	if ((message_stream = camel_stream_fs_new_with_name(name, O_RDONLY, 0)) == NULL) {
+		camel_exception_setv(ex, CAMEL_EXCEPTION_FOLDER_INVALID_UID, _("Cannot get message: %s\n  %s"),
+				     name, g_strerror(errno));
+		g_free(name);
+		return NULL;
+	}
+
+	message = camel_mime_message_new();
+	if (camel_data_wrapper_construct_from_stream((CamelDataWrapper *)message, message_stream) == -1) {
+		camel_exception_setv(ex, CAMEL_EXCEPTION_FOLDER_INVALID_UID, _("Cannot get message: %s\n  %s"),
+				     name, _("Invalid message contents"));
+		g_free(name);
+		camel_object_unref((CamelObject *)message_stream);
+		camel_object_unref((CamelObject *)message);
+		return NULL;
+
+	}
+	camel_object_unref((CamelObject *)message_stream);
+	g_free(name);
+
+	return message;
+}