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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */

/* eel-xml-extensions.c - functions that extend cafe-xml

   Copyright (C) 2000 Eazel, Inc.

   The Cafe 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 Cafe 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 Cafe Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
   Boston, MA 02110-1301, USA.

   Authors: Darin Adler <darin@eazel.com>
*/

#include <config.h>
#include "eel-xml-extensions.h"

#include "eel-string.h"
#include <glib.h>
#include <glib/gi18n-lib.h>

#include <libxml/parser.h>
#include <stdlib.h>

xmlNodePtr
eel_xml_get_children (xmlNodePtr parent)<--- The function 'eel_xml_get_children' should have static linkage since it is not used outside of its translation unit.
{
    if (parent == NULL)
    {
        return NULL;
    }
    return parent->children;
}

xmlNodePtr
eel_xml_get_child_by_name_and_property (xmlNodePtr parent,<--- The function 'eel_xml_get_child_by_name_and_property' should have static linkage since it is not used outside of its translation unit.
                                        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 = eel_xml_get_children (parent); child != NULL; child = child->next)
    {
        if (strcmp (child->name, child_name) == 0)
        {
            property = xmlGetProp (child, property_name);
            match = eel_strcmp (property, property_value) == 0;
            xmlFree (property);
            if (match)
            {
                return child;
            }
        }
    }
    return NULL;
}

xmlNodePtr
eel_xml_get_root_child_by_name_and_property (xmlDocPtr document,
        const char *child_name,
        const char *property_name,
        const char *property_value)
{
    return eel_xml_get_child_by_name_and_property
           (xmlDocGetRootElement (document),
            child_name,
            property_name,
            property_value);
}

xmlChar *
eel_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 = gettext (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);
}