+++ /dev/null
-<?php
-###################################################################################
-#
-# XML Library, by Keith Devens, version 1.0
-# http://keithdevens.com/software/phpxml
-#
-# This code is Open Source, released under terms similar to the Artistic License.
-# Read the license at http://keithdevens.com/software/license
-#
-###################################################################################
-
-###################################################################################
-# XML_unserialize: takes raw XML as a parameter (a string)
-# and returns an equivalent PHP data structure
-###################################################################################
-function & XML_unserialize(&$xml){
- $xml_parser = &new XML();
- $data = &$xml_parser->parse($xml);
- $xml_parser->destruct();
- return $data;
-}
-###################################################################################
-# XML_serialize: serializes any PHP data structure into XML
-# Takes one parameter: the data to serialize. Must be an array.
-###################################################################################
-function & XML_serialize(&$data, $level = 0, $prior_key = NULL){
- #assumes a hash, keys are the tag names
- $xml_parts = '';
- while(list($key, $value) = each($data)){
- if(!strpos($key, ' attr')){ #if it's not an attribute
- #... we don't treat attributes by themselves.
- #note that implies that for an empty element that has attributes, you still
- #need to set the element to NULL
-
- $attributes = array();
- if(array_key_exists("$key attr", $data)){ #if there's an attribute for this element
- while(list($attr_name, $attr_value) = each($data["$key attr"]))
- $attributes[] = $attr_name.'="'.htmlspecialchars($attr_value).'"';
- reset($data["$key attr"]);
- }
-
- if(is_array($value) and array_key_exists(0, $value)){
- #numeric array (note that you can't have numeric keys at two levels in a row)
- $xml_parts .= XML_serialize($value, $level, $key);
- }else{
- if($prior_key) $key = $prior_key;
- #(i.e. if we're in a numeric array, replace the number with the actual tag)
-
- $xml_parts .= str_repeat("\t", $level).'<'.$key;
- if($attributes) $xml_parts .= ' '.join(' ',$attributes);
-
- if(is_null($value))
- $xml_parts .= " />\r\n";
- elseif(!is_array($value))
- $xml_parts .= '>'.htmlspecialchars($value)."</$key>\r\n";
- else
- $xml_parts .= ">\r\n".XML_serialize($value, $level+1).str_repeat("\t", $level)."</$key>\r\n";
- }
- }
- }
- reset($data);
- if($level == 0) return "<?xml version=\"1.0\" ?>\r\n".$xml_parts;
- return $xml_parts;
-}
-###################################################################################
-# XML class: utility class to be used with PHP's XML handling functions
-###################################################################################
-class XML {
- var $parser; #a reference to the XML parser
- var $document; #the entire XML structure built up so far
- var $parent; #a pointer to the current parent - the parent will be an array
- var $stack; #a stack of the most recent parent at each nesting level
- var $last_opened_tag; #keeps track of the last tag opened.
-
- function XML(){
- $this->parser = &xml_parser_create();
- xml_parser_set_option(&$this->parser, XML_OPTION_CASE_FOLDING, 0);
- 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();
- $this->parent = &$this->document;
- $this->stack = array();
- return xml_parse(&$this->parser, &$data, true) ? $this->document : NULL;
- }
- function open(&$parser, $tag, $attributes){
- $this->data = array(); #stores temporary cdata
- $this->last_opened_tag = $tag;
- if(is_array($this->parent) and array_key_exists($tag,$this->parent)){ #if you've seen this tag before
- if(is_array($this->parent[$tag]) and array_key_exists(0,$this->parent[$tag])){ #if the keys are numeric
- #this is the third or later instance of $tag we've come across
- $key = count_numeric_items($this->parent[$tag]);
- }else{
- #this is the second instance of $tag that we've seen
- #shift around
- if(array_key_exists("$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;
-
- $this->parent[$key] = NULL; #it turns out you can take a reference to NULL :)
- $this->parent = &$this->parent[$key];
- $this->stack[] = &$this->parent;
- }
- function data(&$parser, $data){
- if($this->last_opened_tag != NULL) #you don't need to store whitespace in between tags
- $this->data[] = $data;
- }
- function close(&$parser, $tag){
- static $just_closed = false;
- if($this->last_opened_tag == $tag){
- if($this->data)
- $this->parent = join('',$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;
-}
-?>
\ No newline at end of file
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