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Diffstat (limited to 'e-util/e-path.c')
| -rw-r--r-- | e-util/e-path.c | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/e-util/e-path.c b/e-util/e-path.c deleted file mode 100644 index 089ee03842..0000000000 --- a/e-util/e-path.c +++ /dev/null @@ -1,255 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ -/* e-path.c - * - * Copyright (C) 2001 Ximian, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * 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/types.h> -#include <dirent.h> -#include <string.h> -#include <sys/stat.h> -#include <unistd.h> -#include <glib.h> - -#include "e-path.h" - -#define SUBFOLDER_DIR_NAME "subfolders" -#define SUBFOLDER_DIR_NAME_LEN 10 - -/** - * e_path_to_physical: - * @prefix: a prefix to prepend to the path, or %NULL - * @path: the virtual path to convert to a filesystem path. - * - * This converts the "virtual" path @path into an expanded form that - * allows a given name to refer to both a file and a directory. The - * expanded path will have a "subfolders" directory inserted between - * each path component. If the path ends with "/", the returned - * physical path will end with "/subfolders" - * - * If @prefix is non-%NULL, it will be prepended to the returned path. - * - * Return value: the expanded path - **/ -char * -e_path_to_physical (const char *prefix, const char *vpath) -{ - const char *p, *newp; - char *dp; - char *ppath; - int ppath_len; - int prefix_len; - - while (*vpath == '/') - vpath++; - if (!prefix) - prefix = ""; - - /* Calculate the length of the real path. */ - ppath_len = strlen (vpath); - ppath_len++; /* For the ending zero. */ - - prefix_len = strlen (prefix); - ppath_len += prefix_len; - ppath_len++; /* For the separating slash. */ - - /* Take account of the fact that we need to translate every - * separator into `subfolders/'. - */ - p = vpath; - while (1) { - newp = strchr (p, '/'); - if (newp == NULL) - break; - - ppath_len += SUBFOLDER_DIR_NAME_LEN; - ppath_len++; /* For the separating slash. */ - - /* Skip consecutive slashes. */ - while (*newp == '/') - newp++; - - p = newp; - }; - - ppath = g_malloc (ppath_len); - dp = ppath; - - memcpy (dp, prefix, prefix_len); - dp += prefix_len; - *(dp++) = '/'; - - /* Copy the mangled path. */ - p = vpath; - while (1) { - newp = strchr (p, '/'); - if (newp == NULL) { - strcpy (dp, p); - 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++) = '/'; - - /* Skip consecutive slashes. */ - while (*newp == '/') - newp++; - - p = newp; - } - - return ppath; -} - - -static gboolean -find_folders_recursive (const char *physical_path, const char *path, - EPathFindFoldersCallback callback, gpointer data) -{ - DIR *dir; - char *subfolder_directory_path; - gboolean ok; - - if (*path) { - if (!callback (physical_path, path, data)) - return FALSE; - - subfolder_directory_path = g_strdup_printf ("%s/%s", physical_path, SUBFOLDER_DIR_NAME); - } else { - /* On the top level, we have no folders and, - * consequently, no subfolder directory. - */ - - subfolder_directory_path = g_strdup (physical_path); - } - - /* Now scan the subfolders and load them. */ - dir = opendir (subfolder_directory_path); - if (dir == NULL) { - g_free (subfolder_directory_path); - return TRUE; - } - - ok = TRUE; - while (ok) { - struct stat file_stat; - struct dirent *dirent; - char *file_path; - char *new_path; - - dirent = readdir (dir); - if (dirent == NULL) - break; - - if (strcmp (dirent->d_name, ".") == 0 || strcmp (dirent->d_name, "..") == 0) - continue; - - file_path = g_strdup_printf ("%s/%s", subfolder_directory_path, - dirent->d_name); - - if (stat (file_path, &file_stat) < 0 || - ! S_ISDIR (file_stat.st_mode)) { - g_free (file_path); - continue; - } - - new_path = g_strdup_printf ("%s/%s", path, dirent->d_name); - - ok = find_folders_recursive (file_path, new_path, callback, data); - - g_free (file_path); - g_free (new_path); - } - - closedir (dir); - g_free (subfolder_directory_path); - - return ok; -} - -/** - * e_path_find_folders: - * @prefix: directory to start from - * @callback: Callback to invoke on each folder - * @data: Data for @callback - * - * Walks the folder tree starting at @prefix and calls @callback - * on each folder. - * - * Return value: %TRUE on success, %FALSE if an error occurs at any point - **/ -gboolean -e_path_find_folders (const char *prefix, - EPathFindFoldersCallback callback, - gpointer data) -{ - return find_folders_recursive (prefix, "", callback, data); -} - - -/** - * e_path_rmdir: - * @prefix: a prefix to prepend to the path, or %NULL - * @path: the virtual path to convert to a filesystem path. - * - * This removes the directory pointed to by @prefix and @path - * and attempts to remove its parent "subfolders" directory too - * if it's empty. - * - * Return value: -1 (with errno set) if it failed to rmdir the - * specified directory. 0 otherwise, whether or not it removed - * the parent directory. - **/ -int -e_path_rmdir (const char *prefix, const char *vpath) -{ - char *physical_path, *p; - - /* Remove the directory itself */ - physical_path = e_path_to_physical (prefix, vpath); - if (rmdir (physical_path) == -1) { - g_free (physical_path); - return -1; - } - - /* Attempt to remove its parent "subfolders" directory, - * ignoring errors since it might not be empty. - */ - - p = strrchr (physical_path, '/'); - if (p[1] == '\0') { - g_free (physical_path); - return 0; - } - *p = '\0'; - p = strrchr (physical_path, '/'); - if (!p || strcmp (p + 1, SUBFOLDER_DIR_NAME) != 0) { - g_free (physical_path); - return 0; - } - - rmdir (physical_path); - g_free (physical_path); - return 0; -} |