obt/paths.c (raw)
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/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*- obt/paths.c for the Openbox window manager Copyright (c) 2003-2007 Dana Jansens 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. See the COPYING file for a copy of the GNU General Public License. */ #include "obt/paths.h" #include "obt/util.h" #ifdef HAVE_SYS_STAT_H # include <sys/stat.h> #endif #ifdef HAVE_SYS_TYPES_H # include <sys/types.h> #endif #ifdef HAVE_STRING_H # include <string.h> #endif struct _ObtPaths { gint ref; gchar *config_home; gchar *data_home; gchar *cache_home; GSList *config_dirs; GSList *data_dirs; GSList *autostart_dirs; }; static gint slist_path_cmp(const gchar *a, const gchar *b) { return strcmp(a, b); } typedef GSList* (*GSListFunc) (gpointer list, gconstpointer data); static GSList* slist_path_add(GSList *list, gpointer data, GSListFunc func) { g_assert(func); if (!data) return list; if (!g_slist_find_custom(list, data, (GCompareFunc) slist_path_cmp)) list = func(list, data); else g_free(data); return list; } static GSList* split_paths(const gchar *paths) { GSList *list = NULL; gchar **spl, **it; if (!paths) return NULL; spl = g_strsplit(paths, ":", -1); for (it = spl; *it; ++it) list = slist_path_add(list, *it, (GSListFunc) g_slist_append); g_free(spl); return list; } ObtPaths* obt_paths_new(void) { ObtPaths *p; const gchar *path; GSList *it; p = g_slice_new0(ObtPaths); p->ref = 1; path = g_getenv("XDG_CONFIG_HOME"); if (path && path[0] != '\0') /* not unset or empty */ p->config_home = g_build_filename(path, NULL); else p->config_home = g_build_filename(g_get_home_dir(), ".config", NULL); path = g_getenv("XDG_DATA_HOME"); if (path && path[0] != '\0') /* not unset or empty */ p->data_home = g_build_filename(path, NULL); else p->data_home = g_build_filename(g_get_home_dir(), ".local", "share", NULL); path = g_getenv("XDG_CACHE_HOME"); if (path && path[0] != '\0') /* not unset or empty */ p->cache_home = g_build_filename(path, NULL); else p->cache_home = g_build_filename(g_get_home_dir(), ".cache", NULL); path = g_getenv("XDG_CONFIG_DIRS"); if (path && path[0] != '\0') /* not unset or empty */ p->config_dirs = split_paths(path); else { p->config_dirs = slist_path_add(p->config_dirs, g_strdup(CONFIGDIR), (GSListFunc) g_slist_append); p->config_dirs = slist_path_add(p->config_dirs, g_build_filename (G_DIR_SEPARATOR_S, "etc", "xdg", NULL), (GSListFunc) g_slist_append); } p->config_dirs = slist_path_add(p->config_dirs, g_strdup(p->config_home), (GSListFunc) g_slist_prepend); for (it = p->config_dirs; it; it = g_slist_next(it)) { gchar *const s = g_strdup_printf("%s/autostart", (gchar*)it->data); p->autostart_dirs = g_slist_append(p->autostart_dirs, s); } path = g_getenv("XDG_DATA_DIRS"); if (path && path[0] != '\0') /* not unset or empty */ p->data_dirs = split_paths(path); else { p->data_dirs = slist_path_add(p->data_dirs, g_strdup(DATADIR), (GSListFunc) g_slist_append); p->data_dirs = slist_path_add(p->data_dirs, g_build_filename (G_DIR_SEPARATOR_S, "usr", "local", "share", NULL), (GSListFunc) g_slist_append); p->data_dirs = slist_path_add(p->data_dirs, g_build_filename (G_DIR_SEPARATOR_S, "usr", "share", NULL), (GSListFunc) g_slist_append); } p->data_dirs = slist_path_add(p->data_dirs, g_strdup(p->data_home), (GSListFunc) g_slist_prepend); return p; } void obt_paths_ref(ObtPaths *p) { ++p->ref; } void obt_paths_unref(ObtPaths *p) { if (p && --p->ref == 0) { GSList *it; for (it = p->config_dirs; it; it = g_slist_next(it)) g_free(it->data); g_slist_free(p->config_dirs); for (it = p->data_dirs; it; it = g_slist_next(it)) g_free(it->data); g_slist_free(p->data_dirs); for (it = p->autostart_dirs; it; it = g_slist_next(it)) g_free(it->data); g_slist_free(p->autostart_dirs); g_free(p->config_home); g_free(p->data_home); g_free(p->cache_home); g_slice_free(ObtPaths, p); } } gchar *obt_paths_expand_tilde(const gchar *f) { gchar *ret; GRegex *regex; if (!f) return NULL; regex = g_regex_new("(?:^|(?<=[ \\t]))~(?=[/ \\t$])", G_REGEX_MULTILINE | G_REGEX_RAW, 0, NULL); ret = g_regex_replace_literal(regex, f, -1, 0, g_get_home_dir(), 0, NULL); g_regex_unref(regex); return ret; } gboolean obt_paths_mkdir(const gchar *path, gint mode) { gboolean ret = TRUE; g_return_val_if_fail(path != NULL, FALSE); g_return_val_if_fail(path[0] != '\0', FALSE); if (!g_file_test(path, G_FILE_TEST_IS_DIR)) if (mkdir(path, mode) == -1) ret = FALSE; return ret; } gboolean obt_paths_mkdir_path(const gchar *path, gint mode) { gboolean ret = TRUE; g_return_val_if_fail(path != NULL, FALSE); g_return_val_if_fail(path[0] == '/', FALSE); if (!g_file_test(path, G_FILE_TEST_IS_DIR)) { gchar *c, *e; c = g_strdup(path); e = c; while ((e = strchr(e + 1, '/'))) { *e = '\0'; if (!(ret = obt_paths_mkdir(c, mode))) goto parse_mkdir_path_end; *e = '/'; } ret = obt_paths_mkdir(c, mode); parse_mkdir_path_end: g_free(c); } return ret; } const gchar* obt_paths_config_home(ObtPaths *p) { return p->config_home; } const gchar* obt_paths_data_home(ObtPaths *p) { return p->data_home; } const gchar* obt_paths_cache_home(ObtPaths *p) { return p->cache_home; } GSList* obt_paths_config_dirs(ObtPaths *p) { return p->config_dirs; } GSList* obt_paths_data_dirs(ObtPaths *p) { return p->data_dirs; } GSList* obt_paths_autostart_dirs(ObtPaths *p) { return p->autostart_dirs; } |