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/*
* Copyright (C) 2006, 2007 OpenedHand Ltd.
*
* Author: Jorn Baayen <jorn@openedhand.com>
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
*/
#include <config.h>
#include <string.h>
#include "gvalue-util.h"
#include "xml-util.h"
/* libxml DOM interface helpers */
xmlNode *
xml_util_get_element (xmlNode *node,
...)
{
va_list var_args;
va_start (var_args, node);
while (TRUE) {
const char *arg;
arg = va_arg (var_args, const char *);
if (!arg)
break;
for (node = node->children; node; node = node->next)
if (!g_strcmp0 (arg, (char *) node->name))
break;
if (!node)
break;
}
va_end (var_args);
return node;
}
xmlChar *
xml_util_get_child_element_content (xmlNode *node,
const char *child_name)
{
xmlNode *child_node;
child_node = xml_util_get_element (node,
child_name,
NULL);
if (!child_node)
return NULL;
return xmlNodeGetContent (child_node);
}
int
xml_util_get_child_element_content_int (xmlNode *node,
const char *child_name)
{
xmlChar *content;
int i;
content = xml_util_get_child_element_content (node, child_name);
if (!content)
return -1;
i = atoi ((char *) content);
xmlFree (content);
return i;
}
char *
xml_util_get_child_element_content_glib (xmlNode *node,
const char *child_name)
{
xmlChar *content;
char *copy;
content = xml_util_get_child_element_content (node, child_name);
if (!content)
return NULL;
copy = g_strdup ((char *) content);
xmlFree (content);
return copy;
}
GUri *
xml_util_get_child_element_content_uri (xmlNode *node,
const char *child_name,
GUri *base)
{
xmlChar *content;
GUri *uri;
content = xml_util_get_child_element_content (node, child_name);
if (!content)
return NULL;
if (base != NULL)
uri = g_uri_parse_relative (base,
(const char *) content,
G_URI_FLAGS_NONE,
NULL);
else
uri = g_uri_parse ((const char *) content,
G_URI_FLAGS_NONE,
NULL);
xmlFree (content);
return uri;
}
char *
xml_util_get_child_element_content_url (xmlNode *node,
const char *child_name,
GUri *base)
{
GUri *uri;
char *url;
uri = xml_util_get_child_element_content_uri (node, child_name, base);
if (!uri)
return NULL;
url = g_uri_to_string_partial (uri, G_URI_HIDE_PASSWORD);
g_uri_unref (uri);
return url;
}
xmlChar *
xml_util_get_attribute_contents (xmlNode *node,
const char *attribute_name)
{
xmlAttr *attribute;
for (attribute = node->properties;
attribute;
attribute = attribute->next) {
if (strcmp (attribute_name, (char *) attribute->name) == 0)
break;
}
if (attribute)
return xmlNodeGetContent (attribute->children);
else
return NULL;
}
/**
* xml_util_real_node:
* @node: a %xmlNodePtr
*
* Finds the first "real" node (ie, not a comment or whitespace) at or
* after @node at its level in the tree.
*
* Return: a node, or %NULL
*
* (Taken from libsoup)
**/
xmlNode *
xml_util_real_node (xmlNode *node)
{
while (node &&
(node->type == XML_COMMENT_NODE || xmlIsBlankNode (node)))
node = node->next;
return node;
}
/* XML string creation helpers */
#define INITIAL_XML_STR_SIZE 100 /* Initial xml string size in bytes */
GString *
xml_util_new_string (void)
{
return g_string_sized_new (INITIAL_XML_STR_SIZE);
}
void
xml_util_start_element (GString *xml_str,
const char *element_name)
{
g_string_append_c (xml_str, '<');
g_string_append (xml_str, element_name);
g_string_append_c (xml_str, '>');
}
void
xml_util_end_element (GString *xml_str,
const char *element_name)
{
g_string_append (xml_str, "</");
g_string_append (xml_str, element_name);
g_string_append_c (xml_str, '>');
}
void
xml_util_add_content (GString *xml_str,
const char *content)
{
/* Modified from GLib gmarkup.c */
const gchar *p;
p = content;
while (*p) {
const gchar *next;
next = g_utf8_next_char (p);
switch (*p) {
case '&':
g_string_append (xml_str, "&");
break;
case '<':
g_string_append (xml_str, "<");
break;
case '>':
g_string_append (xml_str, ">");
break;
case '"':
g_string_append (xml_str, """);
break;
default:
g_string_append_len (xml_str, p, next - p);
break;
}
p = next;
}
}
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