--- /dev/null
+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+ obt/parse.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/parse.h"
+
+#include <glib.h>
+
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif
+#ifdef HAVE_ERRNO_H
+# include <errno.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+static gboolean xdg_start;
+static gchar *xdg_config_home_path;
+static gchar *xdg_data_home_path;
+static GSList *xdg_config_dir_paths;
+static GSList *xdg_data_dir_paths;
+
+struct Callback {
+ gchar *tag;
+ ObtParseCallback func;
+ gpointer data;
+};
+
+struct _ObtParseInst {
+ gint ref;
+ GHashTable *callbacks;
+ xmlDocPtr doc;
+ xmlNodePtr root;
+ gchar *path;
+};
+
+static void destfunc(struct Callback *c)
+{
+ g_free(c->tag);
+ g_free(c);
+}
+
+ObtParseInst* obt_parse_instance_new()
+{
+ ObtParseInst *i = g_new(ObtParseInst, 1);
+ i->ref = 1;
+ i->callbacks = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
+ (GDestroyNotify)destfunc);
+ i->doc = NULL;
+ i->root = NULL;
+ i->path = NULL;
+ return i;
+}
+
+void obt_parse_instance_ref(ObtParseInst *i)
+{
+ ++i->ref;
+}
+
+void obt_parse_instance_unref(ObtParseInst *i)
+{
+ if (i && --i->ref == 0) {
+ g_hash_table_destroy(i->callbacks);
+ g_free(i);
+ }
+}
+
+void parse_register(ObtParseInst *i, const gchar *tag,
+ ObtParseCallback func, gpointer data)
+{
+ struct Callback *c;
+
+ if ((c = g_hash_table_lookup(i->callbacks, tag))) {
+ g_error("Tag '%s' already registered", tag);
+ return;
+ }
+
+ c = g_new(struct Callback, 1);
+ c->tag = g_strdup(tag);
+ c->func = func;
+ c->data = data;
+ g_hash_table_insert(i->callbacks, c->tag, c);
+}
+
+static gboolean load_file(ObtParseInst *i,
+ const gchar *domain,
+ const gchar *filename,
+ const gchar *root_node,
+ GSList *paths)
+{
+ GSList *it;
+ gboolean r = FALSE;
+
+ g_assert(i->doc == NULL); /* another doc isn't open already? */
+
+ for (it = paths; !r && it; it = g_slist_next(it)) {
+ gchar *path;
+ struct stat s;
+
+ path = g_build_filename(it->data, domain, filename, NULL);
+
+ if (stat(path, &s) >= 0) {
+ /* XML_PARSE_BLANKS is needed apparently, or the tree can end up
+ with extra nodes in it. */
+ i->doc = xmlReadFile(path, NULL, (XML_PARSE_NOBLANKS |
+ XML_PARSE_RECOVER));
+ if (i->doc) {
+ i->root = xmlDocGetRootElement(i->doc);
+ if (!i->root) {
+ xmlFreeDoc(i->doc);
+ i->doc = NULL;
+ g_message("%s is an empty XML document", path);
+ }
+ else if (xmlStrcmp(i->root->name,
+ (const xmlChar*)root_node)) {
+ xmlFreeDoc(i->doc);
+ i->doc = NULL;
+ i->root = NULL;
+ g_message("XML document %s is of wrong type. Root "
+ "node is not '%s'", path, root_node);
+ }
+ else {
+ i->path = g_strdup(path);
+ r = TRUE; /* ok! */
+ }
+ }
+ }
+
+ g_free(path);
+ }
+
+ return r;
+}
+
+gboolean obt_parse_load_config_file(ObtParseInst *i,
+ const gchar *domain,
+ const gchar *filename,
+ const gchar *root_node)
+{
+ GSList *it, *paths = NULL;
+ gboolean r;
+
+ for (it = xdg_config_dir_paths; it; it = g_slist_next(it))
+ paths = g_slist_append(paths, g_strdup(it->data));
+
+ r = load_file(i, domain, filename, root_node, paths);
+
+ while (paths) {
+ g_free(paths->data);
+ paths = g_slist_delete_link(paths, paths);
+ }
+ return r;
+}
+
+gboolean obt_parse_load_data_file(ObtParseInst *i,
+ const gchar *domain,
+ const gchar *filename,
+ const gchar *root_node)
+{
+ GSList *it, *paths = NULL;
+ gboolean r;
+
+ for (it = xdg_data_dir_paths; it; it = g_slist_next(it))
+ paths = g_slist_append(paths, g_strdup(it->data));
+
+ r = load_file(i, domain, filename, root_node, paths);
+
+ while (paths) {
+ g_free(paths->data);
+ paths = g_slist_delete_link(paths, paths);
+ }
+ return r;
+}
+
+gboolean obt_parse_load_theme_file(ObtParseInst *i,
+ const gchar *theme,
+ const gchar *domain,
+ const gchar *filename,
+ const gchar *root_node)
+{
+ GSList *it, *paths = NULL;
+ gboolean r;
+
+ /* use ~/.themes for backwards compatibility */
+ paths = g_slist_append
+ (paths, g_build_filename(g_get_home_dir(), ".themes", theme, NULL));
+
+ for (it = xdg_data_dir_paths; it; it = g_slist_next(it))
+ paths = g_slist_append
+ (paths, g_build_filename(it->data, "themes", theme, NULL));
+
+ r = load_file(i, domain, filename, root_node, paths);
+
+ while (paths) {
+ g_free(paths->data);
+ paths = g_slist_delete_link(paths, paths);
+ }
+ return r;
+}
+
+
+gboolean obt_parse_load_mem(ObtParseInst *i,
+ gpointer data, guint len, const gchar *root_node)
+{
+ gboolean r = FALSE;
+
+ g_assert(i->doc == NULL); /* another doc isn't open already? */
+
+ i->doc = xmlParseMemory(data, len);
+ if (i) {
+ i->root = xmlDocGetRootElement(i->doc);
+ if (!i->root) {
+ xmlFreeDoc(i->doc);
+ i->doc = NULL;
+ g_message("Given memory is an empty document");
+ }
+ else if (xmlStrcmp(i->root->name, (const xmlChar*)root_node)) {
+ xmlFreeDoc(i->doc);
+ i->doc = NULL;
+ i->root = NULL;
+ g_message("XML Document in given memory is of wrong "
+ "type. Root node is not '%s'\n", root_node);
+ }
+ else
+ r = TRUE; /* ok ! */
+ }
+ return r;
+}
+
+void obt_parse_close(ObtParseInst *i)
+{
+ if (i && i->doc) {
+ xmlFreeDoc(i->doc);
+ g_free(i->path);
+ i->doc = NULL;
+ i->root = NULL;
+ i->path = NULL;
+ }
+}
+
+void obt_parse_tree(ObtParseInst *i, xmlNodePtr node)
+{
+ g_assert(i->doc); /* a doc is open? */
+
+ while (node) {
+ struct Callback *c = g_hash_table_lookup(i->callbacks, node->name);
+ if (c) c->func(i, i->doc, node, c->data);
+ node = node->next;
+ }
+}
+
+gchar *obt_parse_node_string(xmlNodePtr node)
+{
+ xmlChar *c = xmlNodeGetContent(node);
+ gchar *s = g_strdup(c ? (gchar*)c : "");
+ xmlFree(c);
+ return s;
+}
+
+gint obt_parse_node_int(xmlNodePtr node)
+{
+ xmlChar *c = xmlNodeGetContent(node);
+ gint i = c ? atoi((gchar*)c) : 0;
+ xmlFree(c);
+ return i;
+}
+
+gboolean obt_parse_node_bool(xmlNodePtr node)
+{
+ xmlChar *c = xmlNodeGetContent(node);
+ gboolean b = FALSE;
+ if (c && !xmlStrcasecmp(c, (const xmlChar*) "true"))
+ b = TRUE;
+ else if (c && !xmlStrcasecmp(c, (const xmlChar*) "yes"))
+ b = TRUE;
+ else if (c && !xmlStrcasecmp(c, (const xmlChar*) "on"))
+ b = TRUE;
+ xmlFree(c);
+ return b;
+}
+
+gboolean obt_parse_node_contains(xmlNodePtr node, const gchar *val)
+{
+ xmlChar *c = xmlNodeGetContent(node);
+ gboolean r;
+ r = !xmlStrcasecmp(c, (const xmlChar*) val);
+ xmlFree(c);
+ return r;
+}
+
+xmlNodePtr obt_parse_find_node(xmlNodePtr node, const gchar *tag)
+{
+ while (node) {
+ if (!xmlStrcmp(node->name, (const xmlChar*) tag))
+ return node;
+ node = node->next;
+ }
+ return NULL;
+}
+
+gboolean obt_parse_attr_bool(xmlNodePtr node, const gchar *name,
+ gboolean *value)
+{
+ xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
+ gboolean r = FALSE;
+ if (c) {
+ if (!xmlStrcasecmp(c, (const xmlChar*) "true"))
+ *value = TRUE, r = TRUE;
+ else if (!xmlStrcasecmp(c, (const xmlChar*) "yes"))
+ *value = TRUE, r = TRUE;
+ else if (!xmlStrcasecmp(c, (const xmlChar*) "on"))
+ *value = TRUE, r = TRUE;
+ else if (!xmlStrcasecmp(c, (const xmlChar*) "false"))
+ *value = FALSE, r = TRUE;
+ else if (!xmlStrcasecmp(c, (const xmlChar*) "no"))
+ *value = FALSE, r = TRUE;
+ else if (!xmlStrcasecmp(c, (const xmlChar*) "off"))
+ *value = FALSE, r = TRUE;
+ }
+ xmlFree(c);
+ return r;
+}
+
+gboolean obt_parse_attr_int(xmlNodePtr node, const gchar *name, gint *value)
+{
+ xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
+ gboolean r = FALSE;
+ if (c) {
+ *value = atoi((gchar*)c);
+ r = TRUE;
+ }
+ xmlFree(c);
+ return r;
+}
+
+gboolean obt_parse_attr_string(xmlNodePtr node, const gchar *name,
+ gchar **value)
+{
+ xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
+ gboolean r = FALSE;
+ if (c) {
+ *value = g_strdup((gchar*)c);
+ r = TRUE;
+ }
+ xmlFree(c);
+ return r;
+}
+
+gboolean obt_parse_attr_contains(xmlNodePtr node, const gchar *name,
+ const gchar *val)
+{
+ xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
+ gboolean r = FALSE;
+ if (c)
+ r = !xmlStrcasecmp(c, (const xmlChar*) val);
+ xmlFree(c);
+ return r;
+}
+
+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;
+}
+
+void parse_paths_startup()
+{
+ const gchar *path;
+
+ if (xdg_start)
+ return;
+ xdg_start = TRUE;
+
+ path = g_getenv("XDG_CONFIG_HOME");
+ if (path && path[0] != '\0') /* not unset or empty */
+ xdg_config_home_path = g_build_filename(path, NULL);
+ else
+ xdg_config_home_path = g_build_filename(g_get_home_dir(), ".config",
+ NULL);
+
+ path = g_getenv("XDG_DATA_HOME");
+ if (path && path[0] != '\0') /* not unset or empty */
+ xdg_data_home_path = g_build_filename(path, NULL);
+ else
+ xdg_data_home_path = g_build_filename(g_get_home_dir(), ".local",
+ "share", NULL);
+
+ path = g_getenv("XDG_CONFIG_DIRS");
+ if (path && path[0] != '\0') /* not unset or empty */
+ xdg_config_dir_paths = split_paths(path);
+ else {
+ xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
+ g_strdup(CONFIGDIR),
+ (GSListFunc) g_slist_append);
+ xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
+ g_build_filename
+ (G_DIR_SEPARATOR_S,
+ "etc", "xdg", NULL),
+ (GSListFunc) g_slist_append);
+ }
+ xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
+ g_strdup(xdg_config_home_path),
+ (GSListFunc) g_slist_prepend);
+
+ path = g_getenv("XDG_DATA_DIRS");
+ if (path && path[0] != '\0') /* not unset or empty */
+ xdg_data_dir_paths = split_paths(path);
+ else {
+ xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
+ g_strdup(DATADIR),
+ (GSListFunc) g_slist_append);
+ xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
+ g_build_filename
+ (G_DIR_SEPARATOR_S,
+ "usr", "local", "share", NULL),
+ (GSListFunc) g_slist_append);
+ xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
+ g_build_filename
+ (G_DIR_SEPARATOR_S,
+ "usr", "share", NULL),
+ (GSListFunc) g_slist_append);
+ }
+ xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
+ g_strdup(xdg_data_home_path),
+ (GSListFunc) g_slist_prepend);
+}
+
+void parse_paths_shutdown()
+{
+ GSList *it;
+
+ if (!xdg_start)
+ return;
+ xdg_start = FALSE;
+
+ for (it = xdg_config_dir_paths; it; it = g_slist_next(it))
+ g_free(it->data);
+ g_slist_free(xdg_config_dir_paths);
+ xdg_config_dir_paths = NULL;
+ for (it = xdg_data_dir_paths; it; it = g_slist_next(it))
+ g_free(it->data);
+ g_slist_free(xdg_data_dir_paths);
+ xdg_data_dir_paths = NULL;
+ g_free(xdg_config_home_path);
+ xdg_config_home_path = NULL;
+ g_free(xdg_data_home_path);
+ xdg_data_home_path = NULL;
+}
+
+gchar *parse_expand_tilde(const gchar *f)
+{
+ gchar **spl;
+ gchar *ret;
+
+ if (!f)
+ return NULL;
+ spl = g_strsplit(f, "~", 0);
+ ret = g_strjoinv(g_get_home_dir(), spl);
+ g_strfreev(spl);
+ return ret;
+}
+
+gboolean parse_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 parse_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 = parse_mkdir(c, mode)))
+ goto parse_mkdir_path_end;
+ *e = '/';
+ }
+ ret = parse_mkdir(c, mode);
+
+ parse_mkdir_path_end:
+ g_free(c);
+ }
+
+ return ret;
+}
+
+const gchar* parse_xdg_config_home_path()
+{
+ return xdg_config_home_path;
+}
+
+const gchar* parse_xdg_data_home_path()
+{
+ return xdg_data_home_path;
+}
+
+GSList* parse_xdg_config_dir_paths()
+{
+ return xdg_config_dir_paths;
+}
+
+GSList* parse_xdg_data_dir_paths()
+{
+ return xdg_data_dir_paths;
+}
--- /dev/null
+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+ obt/parse.h 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.
+*/
+
+#ifndef __obt_parse_h
+#define __obt_parse_h
+
+#include "version.h"
+
+#include <libxml/parser.h>
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+typedef struct _ObtParseInst ObtParseInst;
+
+typedef void (*ObtParseCallback)(ObtParseInst *i, xmlDocPtr doc,
+ xmlNodePtr node, gpointer data);
+
+ObtParseInst* obt_parse_instance_new();
+void obt_parse_instance_ref(ObtParseInst *inst);
+void obt_parse_instance_unref(ObtParseInst *inst);
+
+gboolean obt_parse_load_config_file(ObtParseInst *inst,
+ const gchar *domain,
+ const gchar *filename,
+ const gchar *root_node);
+gboolean obt_parse_load_data_file(ObtParseInst *inst,
+ const gchar *domain,
+ const gchar *filename,
+ const gchar *root_node);
+gboolean obt_parse_load_theme_file(ObtParseInst *inst,
+ const gchar *theme,
+ const gchar *domain,
+ const gchar *filename,
+ const gchar *root_node);
+gboolean obt_parse_load_mem(ObtParseInst *inst,
+ gpointer data, guint len, const gchar *root_node);
+
+void obt_parse_close(ObtParseInst *inst);
+
+void obt_parse_register(ObtParseInst *inst, const gchar *tag,
+ ObtParseCallback func, gpointer data);
+void obt_parse_tree(ObtParseInst *i, xmlNodePtr node);
+
+
+/* helpers */
+
+xmlNodePtr obt_parse_find_node(xmlNodePtr node, const gchar *tag);
+
+gboolean obt_parse_node_contains (xmlNodePtr node, const gchar *val);
+gchar *obt_parse_node_string (xmlNodePtr node);
+gint obt_parse_node_int (xmlNodePtr node);
+gboolean obt_parse_node_bool (xmlNodePtr node);
+
+gboolean obt_parse_attr_contains (xmlNodePtr node, const gchar *name,
+ const gchar *val);
+gboolean obt_parse_attr_string (xmlNodePtr node, const gchar *name,
+ gchar **value);
+gboolean obt_parse_attr_int (xmlNodePtr node, const gchar *name,
+ gint *value);
+gboolean obt_parse_attr_bool (xmlNodePtr node, const gchar *name,
+ gboolean *value);
+
+/* paths */
+
+void parse_paths_startup();
+void parse_paths_shutdown();
+
+const gchar* parse_xdg_config_home_path();
+const gchar* parse_xdg_data_home_path();
+GSList* parse_xdg_config_dir_paths();
+GSList* parse_xdg_data_dir_paths();
+
+/*! Expands the ~ character to the home directory throughout the given
+ string */
+gchar *parse_expand_tilde(const gchar *f);
+/*! Makes a directory */
+gboolean parse_mkdir(const gchar *path, gint mode);
+/*! Makes a directory and all its parents */
+gboolean parse_mkdir_path(const gchar *path, gint mode);
+
+G_END_DECLS
+
+#endif
projects / chaz / openbox / commitdiff
