path: root/e-util/e-folder-map.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 *  Authors: Jeffrey Stedfast <fejj@ximian.com>
 *
 *  Copyright (C) 1999-2008 Novell, Inc. (www.novell.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include <config.h>

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <libxml/tree.h>
#include <libxml/parser.h>
#include <libxml/xmlmemory.h>

#include <libedataserver/e-xml-utils.h>

#include "e-folder-map.h"

#define d(x)

static gboolean
is_type_folder (const char *metadata, const char *search_type)
{
    xmlNodePtr node;
    xmlDocPtr doc;
    char *type;

    doc = e_xml_parse_file (metadata);
    if (!doc) {
        g_warning ("Cannot parse `%s'", metadata);
        return FALSE;
    }

    if (!(node = xmlDocGetRootElement (doc))) {
        g_warning ("`%s' corrupt: document contains no root node", metadata);
        xmlFreeDoc (doc);
        return FALSE;
    }

    if (!node->name || strcmp ((char *)node->name, "efolder") != 0) {
        g_warning ("`%s' corrupt: root node is not 'efolder'", metadata);
        xmlFreeDoc (doc);
        return FALSE;
    }

    node = node->children;
    while (node != NULL) {
        if (node->name && !strcmp ((char *)node->name, "type")) {
            type = (char *)xmlNodeGetContent (node);
            if (!strcmp (type, search_type)) {
                xmlFreeDoc (doc);
                xmlFree (type);

                return TRUE;
            }

            xmlFree (type);

            break;
        }

        node = node->next;
    }

    xmlFreeDoc (doc);

    return FALSE;
}

static void
e_folder_map_dir (const char *dirname, const char *type, GSList **dir_list)
{
    char *path;
    const char *name;
    GDir *dir;
    GError *error = NULL;

    path = g_build_filename (dirname, "folder-metadata.xml", NULL);
    if (!g_file_test (path, G_FILE_TEST_IS_REGULAR)) {
        g_free (path);
        return;
    }

    if (!is_type_folder (path, type)) {
        g_free (path);
        goto try_subdirs;
    }

    d(g_message ("Found '%s'", dirname));
    *dir_list = g_slist_prepend (*dir_list, g_strdup (dirname));

    g_free (path);

 try_subdirs:

    path = g_build_filename (dirname, "subfolders", NULL);
    if (!g_file_test (path, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
        g_free (path);
        return;
    }

    if (!(dir = g_dir_open (path, 0, &error))) {
        g_warning ("cannot open `%s': %s", path, error->message);
        g_error_free (error);
        g_free (path);
        return;
    }

    while ((name = g_dir_read_name (dir))) {
        char *full_path;

        if (*name == '.')
            continue;

        full_path = g_build_filename (path, name, NULL);
        if (!g_file_test (full_path, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
            g_free (full_path);
            continue;
        }

        e_folder_map_dir (full_path, type, dir_list);
        g_free (full_path);
    }

    g_dir_close (dir);

    g_free (path);
}

GSList *
e_folder_map_local_folders (char *local_dir, char *type)
{
    const char *name;
    GDir *dir;
    GSList *dir_list = NULL;
    GError *error = NULL;

    if (!(dir = g_dir_open (local_dir, 0, &error))) {
        g_warning ("cannot open `%s': %s", local_dir, error->message);
        g_error_free (error);
        return NULL;
    }

    while ((name = g_dir_read_name (dir))) {
        char *full_path;

        if (*name == '.')
            continue;

        full_path = g_build_filename (local_dir, name, NULL);
        d(g_message ("Looking in %s", full_path));
        if (!g_file_test (full_path, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
            g_free (full_path);
            continue;
        }

        e_folder_map_dir (full_path, type, &dir_list);

        g_free (full_path);
    }

    g_dir_close (dir);

    return dir_list;
}