--- /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/xml.h"
+#include "obt/paths.h"
+
+#include <glib.h>
+
+#ifdef HAVE_STDLIB_H
+# include <stdlib.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
+
+struct Callback {
+ gchar *tag;
+ ObtXmlCallback func;
+ gpointer data;
+};
+
+struct _ObtXmlInst {
+ gint ref;
+ ObtPaths *xdg_paths;
+ GHashTable *callbacks;
+ xmlDocPtr doc;
+ xmlNodePtr root;
+ gchar *path;
+};
+
+static void destfunc(struct Callback *c)
+{
+ g_free(c->tag);
+ g_free(c);
+}
+
+ObtXmlInst* obt_xml_instance_new(void)
+{
+ ObtXmlInst *i = g_new(ObtXmlInst, 1);
+ i->ref = 1;
+ i->xdg_paths = obt_paths_new();
+ 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_xml_instance_ref(ObtXmlInst *i)
+{
+ ++i->ref;
+}
+
+void obt_xml_instance_unref(ObtXmlInst *i)
+{
+ if (i && --i->ref == 0) {
+ obt_paths_unref(i->xdg_paths);
+ g_hash_table_destroy(i->callbacks);
+ g_free(i);
+ }
+}
+
+xmlDocPtr obt_xml_doc(ObtXmlInst *i)
+{
+ g_assert(i->doc); /* a doc is open? */
+ return i->doc;
+}
+
+xmlNodePtr obt_xml_root(ObtXmlInst *i)
+{
+ g_assert(i->doc); /* a doc is open? */
+ return i->root;
+}
+
+void obt_xml_register(ObtXmlInst *i, const gchar *tag,
+ ObtXmlCallback func, gpointer data)
+{
+ struct Callback *c;
+
+ if (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(ObtXmlInst *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;
+
+ if (!domain && !filename) /* given a full path to the file */
+ path = g_strdup(it->data);
+ else
+ 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_xml_load_file(ObtXmlInst *i,
+ const gchar *path,
+ const gchar *root_node)
+{
+ GSList *paths;
+ gboolean r;
+
+ paths = g_slist_append(NULL, g_strdup(path));
+
+ r = load_file(i, NULL, NULL, root_node, paths);
+
+ while (paths) {
+ g_free(paths->data);
+ paths = g_slist_delete_link(paths, paths);
+ }
+ return r;
+}
+
+gboolean obt_xml_load_config_file(ObtXmlInst *i,
+ const gchar *domain,
+ const gchar *filename,
+ const gchar *root_node)
+{
+ GSList *it, *paths = NULL;
+ gboolean r;
+
+ for (it = obt_paths_config_dirs(i->xdg_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_xml_load_data_file(ObtXmlInst *i,
+ const gchar *domain,
+ const gchar *filename,
+ const gchar *root_node)
+{
+ GSList *it, *paths = NULL;
+ gboolean r;
+
+ for (it = obt_paths_data_dirs(i->xdg_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_xml_load_theme_file(ObtXmlInst *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 = obt_paths_data_dirs(i->xdg_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_xml_load_mem(ObtXmlInst *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;
+}
+
+gboolean obt_xml_save_file(ObtXmlInst *inst,
+ const gchar *path,
+ gboolean pretty)
+{
+ return xmlSaveFormatFile(path, inst->doc, pretty) != -1;
+}
+
+void obt_xml_close(ObtXmlInst *i)
+{
+ if (i && i->doc) {
+ xmlFreeDoc(i->doc);
+ g_free(i->path);
+ i->doc = NULL;
+ i->root = NULL;
+ i->path = NULL;
+ }
+}
+
+void obt_xml_tree(ObtXmlInst *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(node, c->data);
+ node = node->next;
+ }
+}
+
+void obt_xml_tree_from_root(ObtXmlInst *i)
+{
+ obt_xml_tree(i, i->root->children);
+}
+
+gchar *obt_xml_node_string(xmlNodePtr node)
+{
+ xmlChar *c = xmlNodeGetContent(node);
+ gchar *s;
+ if (c) g_strstrip((char*)c); /* strip leading/trailing whitespace */
+ s = g_strdup(c ? (gchar*)c : "");
+ xmlFree(c);
+ return s;
+}
+
+gint obt_xml_node_int(xmlNodePtr node)
+{
+ xmlChar *c = xmlNodeGetContent(node);
+ gint i;
+ if (c) g_strstrip((char*)c); /* strip leading/trailing whitespace */
+ i = c ? atoi((gchar*)c) : 0;
+ xmlFree(c);
+ return i;
+}
+
+gboolean obt_xml_node_bool(xmlNodePtr node)
+{
+ xmlChar *c = xmlNodeGetContent(node);
+ gboolean b = FALSE;
+ if (c) g_strstrip((char*)c); /* strip leading/trailing whitespace */
+ 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_xml_node_contains(xmlNodePtr node, const gchar *val)
+{
+ xmlChar *c = xmlNodeGetContent(node);
+ gboolean r;
+ if (c) g_strstrip((char*)c); /* strip leading/trailing whitespace */
+ r = !xmlStrcasecmp(c, (const xmlChar*) val);
+ xmlFree(c);
+ return r;
+}
+
+xmlNodePtr obt_xml_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_xml_attr_bool(xmlNodePtr node, const gchar *name,
+ gboolean *value)
+{
+ xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
+ gboolean r = FALSE;
+ if (c) {
+ g_strstrip((char*)c); /* strip leading/trailing whitespace */
+ 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_xml_attr_int(xmlNodePtr node, const gchar *name, gint *value)
+{
+ xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
+ gboolean r = FALSE;
+ if (c) {
+ g_strstrip((char*)c); /* strip leading/trailing whitespace */
+ *value = atoi((gchar*)c);
+ r = TRUE;
+ }
+ xmlFree(c);
+ return r;
+}
+
+gboolean obt_xml_attr_string(xmlNodePtr node, const gchar *name,
+ gchar **value)
+{
+ xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
+ gboolean r = FALSE;
+ if (c) {
+ g_strstrip((char*)c); /* strip leading/trailing whitespace */
+ *value = g_strdup((gchar*)c);
+ r = TRUE;
+ }
+ xmlFree(c);
+ return r;
+}
+
+gboolean obt_xml_attr_contains(xmlNodePtr node, const gchar *name,
+ const gchar *val)
+{
+ xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
+ gboolean r = FALSE;
+ if (c) {
+ g_strstrip((char*)c); /* strip leading/trailing whitespace */
+ r = !xmlStrcasecmp(c, (const xmlChar*) val);
+ }
+ xmlFree(c);
+ return r;
+}
projects / dana / openbox.git / blobdiff