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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* nautilus-xml-extensions.c - functions that extend gnome-xml
Copyright (C) 2000 Eazel, Inc.
The Gnome Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Gnome Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the Gnome Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
Authors: Darin Adler <darin@eazel.com>
*/
#include <config.h>
#include "nautilus-xml-extensions.h"
#include "nautilus-string.h"
#include <glib.h>
#include <gnome-xml/parser.h>
#include <gnome-xml/xmlmemory.h>
#include <libgnome/gnome-defs.h>
#include <libgnome/gnome-i18n.h>
#include <stdlib.h>
xmlNodePtr
nautilus_xml_get_children (xmlNodePtr parent)
{
if (parent == NULL) {
return NULL;
}
return parent->xmlChildrenNode;
}
xmlNodePtr
nautilus_xml_get_root_children (xmlDocPtr document)
{
return nautilus_xml_get_children (xmlDocGetRootElement (document));
}
xmlNodePtr
nautilus_xml_get_child_by_name_and_property (xmlNodePtr parent,
const char *child_name,
const char *property_name,
const char *property_value)
{
xmlNodePtr child;
xmlChar *property;
gboolean match;
if (parent == NULL) {
return NULL;
}
for (child = nautilus_xml_get_children (parent); child != NULL; child = child->next) {
if (strcmp (child->name, child_name) == 0) {
property = xmlGetProp (child, property_name);
match = nautilus_strcmp (property, property_value) == 0;
xmlFree (property);
if (match) {
return child;
}
}
}
return NULL;
}
/* return a child of the passed-in node with a matching name */
xmlNodePtr
nautilus_xml_get_child_by_name (xmlNodePtr parent,
const char *child_name)
{
xmlNodePtr child;
if (parent == NULL) {
return NULL;
}
for (child = nautilus_xml_get_children (parent); child != NULL; child = child->next) {
if (strcmp (child->name, child_name) == 0) {
return child;
}
}
return NULL;
}
xmlNodePtr
nautilus_xml_get_root_child_by_name_and_property (xmlDocPtr document,
const char *child_name,
const char *property_name,
const char *property_value)
{
return nautilus_xml_get_child_by_name_and_property
(xmlDocGetRootElement (document),
child_name,
property_name,
property_value);
}
/**
* nautilus_xml_get_property_for_children
*
* Returns a list of the values for the specified property for all
* children of the node that have the specified name.
*
* @parent: xmlNodePtr representing the node in question.
* @child_name: child element name to look for
* @property: name of propety to reutnr for matching children that have the property
*
* Returns: A list of keywords.
*
**/
GList *
nautilus_xml_get_property_for_children (xmlNodePtr parent,
const char *child_name,
const char *property_name)
{
GList *properties;
xmlNode *child;
xmlChar *property;
properties = NULL;
for (child = nautilus_xml_get_children (parent);
child != NULL;
child = child->next) {
if (strcmp (child->name, child_name) == 0) {
property = xmlGetProp (child, property_name);
if (property != NULL) {
properties = g_list_prepend (properties,
g_strdup (property));
xmlFree (property);
}
}
}
/* Reverse so you get them in the same order as the XML file. */
return g_list_reverse (properties);
}
xmlChar *
nautilus_xml_get_property_translated (xmlNodePtr parent,
const char *property_name)
{
xmlChar *property, *untranslated_property;
char *untranslated_property_name;
const char *translated_property;
/* Try for the already-translated version. */
property = xmlGetProp (parent, property_name);
if (property != NULL) {
return property;
}
/* Try for the untranslated version. */
untranslated_property_name = g_strconcat ("_", property_name, NULL);
untranslated_property = xmlGetProp (parent, untranslated_property_name);
g_free (untranslated_property_name);
if (untranslated_property == NULL) {
return NULL;
}
/* Try to translate. */
translated_property = _(untranslated_property);
/* If not translation is found, return untranslated property as-is. */
if (translated_property == (char *) untranslated_property) {
return untranslated_property;
}
/* If a translation happened, make a copy to match the normal
* behavior of this function (returning a string you xmlFree).
*/
xmlFree (untranslated_property);
return xmlStrdup (translated_property);
}
void
nautilus_xml_remove_node (xmlNodePtr node)
{
g_return_if_fail (node != NULL);
g_return_if_fail (node->doc != NULL);
g_return_if_fail (node->parent != NULL);
g_return_if_fail (node->doc->xmlRootNode != node);
if (node->prev == NULL) {
g_assert (node->parent->xmlChildrenNode == node);
node->parent->xmlChildrenNode = node->next;
} else {
g_assert (node->parent->xmlChildrenNode != node);
node->prev->next = node->next;
}
if (node->next == NULL) {
g_assert (node->parent->last == node);
node->parent->last = node->prev;
} else {
g_assert (node->parent->last != node);
node->next->prev = node->prev;
}
node->doc = NULL;
node->parent = NULL;
node->next = NULL;
node->prev = NULL;
}
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