DiscuzX/upload/uc_server/release/20080429/lib/xml.class.php

136 lines
3.6 KiB
PHP

<?php
/*
[UCenter] (C)2001-2009 Comsenz Inc.
This is NOT a freeware, use is subject to license terms
$Id: db.class.php 12126 2008-01-11 09:40:32Z heyond $
*/
function xml_unserialize(&$xml) {
$xml_parser = new XML();
$data = $xml_parser->parse($xml);
$xml_parser->destruct();
$arr = xml_format_array($data);
return $arr['root'];
}
function xml_serialize(&$data, $htmlon = 0, $level = 1) {
$space = str_repeat("\t", $level);
$cdatahead = $htmlon ? '<![CDATA[' : '';
$cdatafoot = $htmlon ? ']]>' : '';
$s = '';
if(!empty($data)) {
foreach($data as $key => $val) {
if(!is_array($val)) {
$val = "$cdatahead$val$cdatafoot";
if(is_numeric($key)) {
$s .= "$space<item_$key>$val</item_$key>";
} elseif($key === '') {
$s .= '';
} else {
$s .= "$space<$key>$val</$key>";
}
} else {
if(is_numeric($key)) {
$s .= "$space<item_$key>".xml_serialize($val, $htmlon, $level+1)."$space</item_$key>";
} elseif($key === '') {
$s .= '';
} else {
$s .= "$space<$key>".xml_serialize($val, $htmlon, $level+1)."$space</$key>";
}
}
}
}
$s = preg_replace("/([\x01-\x09\x0b-\x0c\x0e-\x1f])+/", ' ', $s);
return ($level == 1 ? "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?><root>" : '').$s.($level == 1 ? '</root>' : '');
}
function xml_format_array($arr, $level = 0) {
foreach((array)$arr as $key => $val) {
if(is_array($val)) {
$val = xml_format_array($val, $level + 1);
}
if(is_string($key) && strpos($key, 'item_') === 0) {
$arr[intval(substr($key, 5))] = $val;
unset($arr[$key]);
} else {
$arr[$key] = $val;
}
}
return $arr;
}
class XML {
var $parser;
var $document;
var $parent;
var $stack;
var $last_opened_tag;
function XML() {
$this->parser = xml_parser_create('ISO-8859-1');
xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, false);
xml_set_object($this->parser, $this);
xml_set_element_handler($this->parser, 'open','close');
xml_set_character_data_handler($this->parser, 'data');
}
function destruct() {
xml_parser_free($this->parser);
}
function parse(&$data) {
$this->document = array();
$this->stack = array();
$this->parent = &$this->document;
return xml_parse($this->parser, $data, true) ? $this->document : NULL;
}
function open(&$parser, $tag, $attributes) {
$this->data = '';
$this->last_opened_tag = $tag;
if(is_array($this->parent) and array_key_exists($tag,$this->parent)) {
if(is_array($this->parent[$tag]) and array_key_exists(0,$this->parent[$tag])) {
$key = count_numeric_items($this->parent[$tag]);
}else{
if(array_key_exists($tag.'_attr',$this->parent)) {
$arr = array('0_attr'=>&$this->parent[$tag.'_attr'], &$this->parent[$tag]);
unset($this->parent[$tag.'_attr']);
} else {
$arr = array(&$this->parent[$tag]);
}
$this->parent[$tag] = &$arr;
$key = 1;
}
$this->parent = &$this->parent[$tag];
} else {
$key = $tag;
}
if($attributes) {
$this->parent[$key.'_attr'] = $attributes;
}
$this->parent = &$this->parent[$key];
$this->stack[] = &$this->parent;
}
function data(&$parser, $data) {
if($this->last_opened_tag != NULL)
$this->data .= $data;
}
function close(&$parser, $tag) {
if($this->last_opened_tag == $tag) {
$this->parent = $this->data;
$this->last_opened_tag = NULL;
}
array_pop($this->stack);
if($this->stack) $this->parent = &$this->stack[count($this->stack)-1];
}
}
function count_numeric_items(&$array) {
return is_array($array) ? count(array_filter(array_keys($array), 'is_numeric')) : 0;
}
?>