Initial cut at mh provider. Well, it already does everything

mbox does.

2000-08-01  Not Zed  <NotZed@HelixCode.com>

        * providers/mh: New mh provider implementation.

        * providers/Makefile.am (SUBDIRS): Added mh provider.

svn path=/trunk/; revision=4444

1 files changed, 169 insertions, 0 deletions

diff --git a/camel/providers/mh/camel-mh-store.c b/camel/providers/mh/camel-mh-store.c
new file mode 100644
index 0000000000..6ae885ac27
--- /dev/null
+++ b/camel/providers/mh/camel-mh-store.c
@@ -0,0 +1,169 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* camel-mbox-store.c : class for an mbox store */
+
+/* 
+ *
+ * Copyright (C) 2000 Helix Code, Inc.
+ *
+ * Authors: Michael Zucchi <notzed@helixcode.com>
+ *
+ * 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 <sys/stat.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "camel-mh-store.h"
+#include "camel-mh-folder.h"
+#include "camel-exception.h"
+#include "camel-url.h"
+
+/* Returns the class for a CamelMhStore */
+#define CMHS_CLASS(so) CAMEL_MH_STORE_CLASS (GTK_OBJECT(so)->klass)
+#define CF_CLASS(so) CAMEL_FOLDER_CLASS (GTK_OBJECT(so)->klass)
+#define CMHF_CLASS(so) CAMEL_MH_FOLDER_CLASS (GTK_OBJECT(so)->klass)
+
+static char *get_name(CamelService * service, gboolean brief);
+static CamelFolder *get_folder(CamelStore * store, const char *folder_name, gboolean create, CamelException * ex);
+static void delete_folder(CamelStore * store, const char *folder_name, CamelException * ex);
+static char *get_folder_name(CamelStore * store, const char *folder_name, CamelException * ex);
+
+static void camel_mh_store_class_init(CamelMhStoreClass * camel_mh_store_class)
+{
+	CamelStoreClass *camel_store_class = CAMEL_STORE_CLASS(camel_mh_store_class);
+	CamelServiceClass *camel_service_class = CAMEL_SERVICE_CLASS(camel_mh_store_class);
+
+	/* virtual method overload */
+	camel_service_class->get_name = get_name;
+
+	camel_store_class->get_folder = get_folder;
+	camel_store_class->delete_folder = delete_folder;
+	camel_store_class->get_folder_name = get_folder_name;
+}
+
+static void camel_mh_store_init(gpointer object, gpointer klass)
+{
+	CamelService *service = CAMEL_SERVICE(object);
+	CamelStore *store = CAMEL_STORE(object);
+
+	service->url_flags = CAMEL_SERVICE_URL_NEED_PATH;
+
+	/* mh names are filenames, so they are case-sensitive. */
+	store->folders = g_hash_table_new(g_str_hash, g_str_equal);
+}
+
+GtkType camel_mh_store_get_type(void)
+{
+	static GtkType camel_mh_store_type = 0;
+
+	if (!camel_mh_store_type) {
+		GtkTypeInfo camel_mh_store_info = {
+			"CamelMhStore",
+			sizeof(CamelMhStore),
+			sizeof(CamelMhStoreClass),
+			(GtkClassInitFunc) camel_mh_store_class_init,
+			(GtkObjectInitFunc) camel_mh_store_init,
+			/* reserved_1 */ NULL,
+			/* reserved_2 */ NULL,
+			(GtkClassInitFunc) NULL,
+		};
+
+		camel_mh_store_type = gtk_type_unique(CAMEL_STORE_TYPE, &camel_mh_store_info);
+	}
+
+	return camel_mh_store_type;
+}
+
+const gchar *camel_mh_store_get_toplevel_dir(CamelMhStore * store)
+{
+	CamelURL *url = CAMEL_SERVICE(store)->url;
+
+	g_assert(url != NULL);
+	return url->path;
+}
+
+static CamelFolder *get_folder(CamelStore * store, const char *folder_name, gboolean create, CamelException * ex)
+{
+	CamelFolder *new_folder = NULL;
+	char *name;
+	struct stat st;
+
+	name = g_strdup_printf("%s%s", CAMEL_SERVICE(store)->url->path, folder_name);
+
+	if (stat(name, &st) == -1) {
+		int fd;
+
+		if (errno != ENOENT) {
+			camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
+					     "Could not open folder `%s':" "\n%s", folder_name, g_strerror(errno));
+			goto done;
+		}
+		if (!create) {
+			camel_exception_setv(ex, CAMEL_EXCEPTION_STORE_NO_FOLDER,
+					     "Folder `%s' does not exist.", folder_name);
+			goto done;
+		}
+
+		if (mkdir (name, 0600) != 0) {
+			camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
+					     "Could not create folder `%s':" "\n%s", folder_name, g_strerror(errno));
+			goto done;
+		}
+	} else if (!S_ISDIR(st.st_mode)) {
+		camel_exception_setv(ex, CAMEL_EXCEPTION_STORE_NO_FOLDER, "`%s' is not a directory.", name);
+		goto done;
+	}
+
+	new_folder = gtk_type_new(CAMEL_MH_FOLDER_TYPE);
+
+	CF_CLASS(new_folder)->init(new_folder, store, NULL, folder_name, "/", TRUE, ex);
+done:
+	g_free(name);
+	return new_folder;
+}
+
+static void delete_folder(CamelStore * store, const char *folder_name, CamelException * ex)
+{
+	char *name;
+
+	name = g_strdup_printf("%s%s", CAMEL_SERVICE(store)->url->path, folder_name);
+	camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
+			     "Could not delete folder `%s':\n%s", folder_name, "not implemented");
+	g_free(name);
+}
+
+static char *get_folder_name(CamelStore * store, const char *folder_name, CamelException * ex)
+{
+	/* For now, we don't allow hieararchy. FIXME. */
+	if (strchr(folder_name + 1, '/')) {
+		camel_exception_set(ex, CAMEL_EXCEPTION_STORE_NO_FOLDER, "Mh folders may not be nested.");
+		return NULL;
+	}
+
+	return *folder_name == '/' ? g_strdup(folder_name) : g_strdup_printf("/%s", folder_name);
+}
+
+static char *get_name(CamelService * service, gboolean brief)
+{
+	if (brief)
+		return g_strdup(service->url->path);
+	else
+		return g_strdup_printf("Local mail file %s", service->url->path);
+}