From 725d0a088ddafd5f5665f4415c54f12411103e83 Mon Sep 17 00:00:00 2001 From: Ettore Perazzoli Date: Sun, 7 May 2000 01:57:49 +0000 Subject: Big shell reorganization. svn path=/trunk/; revision=2848 --- shell/e-local-storage.c | 342 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 342 insertions(+) create mode 100644 shell/e-local-storage.c (limited to 'shell/e-local-storage.c') diff --git a/shell/e-local-storage.c b/shell/e-local-storage.c new file mode 100644 index 0000000000..d4d30d67c5 --- /dev/null +++ b/shell/e-local-storage.c @@ -0,0 +1,342 @@ +/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ +/* e-local-storage.c + * + * Copyright (C) 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. + * + * Author: Ettore Perazzoli + */ + +/* FIXMEs: + * + * - If we have `.' or `..' as path elements, we lose. + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#define _POSIX_SOURCE /* Yuck. */ +#include + +#include +#include +#include +#include + +#include + +#include "e-util/e-util.h" +#include "e-local-folder.h" + +#include "e-local-storage.h" + + +#define PARENT_TYPE E_TYPE_STORAGE +static EStorageClass *parent_class = NULL; + +#define SUBFOLDER_DIR_NAME "subfolders" +#define SUBFOLDER_DIR_NAME_LEN 10 + +struct _ELocalStoragePrivate { + char *base_path; +}; + + +/* Utility functions. */ + +#if 0 +/* Translate a storage path into a real path on the file system. */ +static char * +get_real_path (ELocalStorage *local_storage, + const char *path) +{ + EStorage *storage; + ELocalStoragePrivate *priv; + const char *p, *newp; + char *dp; + char *real_path; + int real_path_len; + int base_path_len; + + storage = E_STORAGE (local_storage); + priv = local_storage->priv; + + /* @path is always absolute, so it starts with a slash. The base class should + make sure this is the case; if not, it's broken. */ + g_assert (*path != G_DIR_SEPARATOR); + path++; + + /* Calculate the length of the real path. */ + + real_path_len = strlen (path); + real_path_len++; /* For the ending zero. */ + + base_path_len = strlen (priv->base_path); + real_path_len += base_path_len; + real_path_len++; /* For the separating slash. */ + + /* Take account for the fact that we need to translate every separator into + `children/'. */ + p = path; + while (1) { + newp = strchr (p, G_DIR_SEPARATOR); + if (newp == NULL) + break; + + real_path_len += SUBFOLDER_DIR_NAME_LEN; + real_path_len++; /* For the separating slash. */ + + /* Skip consecutive slashes. */ + while (*newp == G_DIR_SEPARATOR) + newp++; + + p = newp; + }; + + real_path = g_malloc (real_path_len); + dp = real_path; + + memcpy (dp, priv->base_path, base_path_len); + dp += base_path_len; + *(dp++) = G_DIR_SEPARATOR; + + /* Copy the mangled path. */ + p = path; + while (1) { + newp = strchr (p, G_DIR_SEPARATOR); + if (newp == NULL) + break; + + memcpy (dp, p, newp - p + 1); /* `+ 1' to copy the slash too. */ + dp += newp - p + 1; + + memcpy (dp, SUBFOLDER_DIR_NAME, SUBFOLDER_DIR_NAME_LEN); + dp += SUBFOLDER_DIR_NAME_LEN; + + *(dp++) = G_DIR_SEPARATOR; + + /* Skip consecutive slashes. */ + while (*newp == G_DIR_SEPARATOR) + newp++; + + p = newp; + } + + return real_path; +} +#endif + +static gboolean +load_folders (ELocalStorage *local_storage, + const char *parent_path, + const char *path, + const char *physical_path) +{ + DIR *dir; + char *subfolder_directory_path; + struct dirent *dirent; + + if (parent_path == NULL) { + /* On the top level, we don't have any folders and, consequently, no + subfolder directory. */ + + subfolder_directory_path = g_strdup (physical_path); + } else { + EFolder *folder; + + /* Otherwise, we have to load the corresponding folder. */ + + folder = e_local_folder_new_from_path (physical_path); + if (folder == NULL) + return FALSE; + + e_storage_new_folder (E_STORAGE (local_storage), parent_path, folder); + + subfolder_directory_path = g_concat_dir_and_file (physical_path, SUBFOLDER_DIR_NAME); + } + + /* Now scan the subfolders and load them. The subfolders are represented by + directories under the "SUBFOLDER_DIR_NAME" directory. */ + + dir = opendir (subfolder_directory_path); + + if (dir == NULL) { + g_free (subfolder_directory_path); + return FALSE; + } + + dirent = g_malloc (sizeof (struct dirent) + MAXPATHLEN + 1); + + while (1) { + struct stat file_stat; + struct dirent *result; + char *file_path; + char *new_path; + + if (readdir_r (dir, dirent, &result) != 0) + break; + if (result == NULL) + break; + + if (strcmp (result->d_name, ".") == 0 || strcmp (result->d_name, "..") == 0) + continue; + + file_path = g_concat_dir_and_file (subfolder_directory_path, + result->d_name); + + if (stat (file_path, &file_stat) < 0) { + g_free (file_path); + continue; + } + if (! S_ISDIR (file_stat.st_mode)) { + g_free (file_path); + continue; + } + + new_path = g_concat_dir_and_file (path, result->d_name); + + load_folders (local_storage, path, new_path, file_path); + + g_free (file_path); + g_free (new_path); + } + + g_free (dirent); + closedir (dir); + g_free (subfolder_directory_path); + + return TRUE; +} + +static gboolean +load_all_folders (ELocalStorage *local_storage) +{ + const char *base_path; + + base_path = e_local_storage_get_base_path (local_storage); + + return load_folders (local_storage, NULL, G_DIR_SEPARATOR_S, base_path); +} + + +/* GtkObject methods. */ + +static void +destroy (GtkObject *object) +{ + ELocalStorage *local_storage; + ELocalStoragePrivate *priv; + + local_storage = E_LOCAL_STORAGE (object); + priv = local_storage->priv; + + g_free (priv->base_path); + g_free (priv); + + (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); +} + + +/* EStorage methods. */ + +static const char * +get_name (EStorage *storage) +{ + /* FIXME this sucks. */ + return "local"; +} + + +/* Initialization. */ + +static void +class_init (ELocalStorageClass *class) +{ + EStorageClass *storage_class; + GtkObjectClass *object_class; + + parent_class = gtk_type_class (e_storage_get_type ()); + + object_class = GTK_OBJECT_CLASS (class); + object_class->destroy = destroy; + + storage_class = E_STORAGE_CLASS (class); + storage_class->get_name = get_name; +} + +static void +init (ELocalStorage *local_storage) +{ + ELocalStoragePrivate *priv; + + priv = g_new (ELocalStoragePrivate, 1); + + priv->base_path = NULL; + + local_storage->priv = priv; +} + + +static gboolean +construct (ELocalStorage *local_storage, + const char *base_path) +{ + int base_path_len; + + e_storage_construct (E_STORAGE (local_storage)); + + base_path_len = strlen (base_path); + while (base_path_len > 0 && base_path[base_path_len - 1] == G_DIR_SEPARATOR) + base_path_len--; + + g_return_val_if_fail (base_path_len != 0, FALSE); + + local_storage->priv->base_path = g_strndup (base_path, base_path_len); + + return load_all_folders (local_storage); +} + +EStorage * +e_local_storage_open (const char *base_path) +{ + EStorage *new; + + g_return_val_if_fail (base_path != NULL, NULL); + + new = gtk_type_new (e_local_storage_get_type ()); + + if (! construct (E_LOCAL_STORAGE (new), base_path)) { + gtk_object_unref (GTK_OBJECT (new)); + return NULL; + } + + return new; +} + +const char * +e_local_storage_get_base_path (ELocalStorage *local_storage) +{ + g_return_val_if_fail (local_storage != NULL, NULL); + g_return_val_if_fail (E_IS_LOCAL_STORAGE (local_storage), NULL); + + return local_storage->priv->base_path; +} + + +E_MAKE_TYPE (e_local_storage, "ELocalStorage", ELocalStorage, class_init, init, PARENT_TYPE) -- cgit