//原创，可以自由使用，欢迎提出改进意见，
//xml 内の要素
class XMLTag
{
var $parent;//親ノード
var $child;//子ノード
var $attribute;//このノードの属性
var $data; //このノードのデータ
var $TagName;//このノードの名前
var $ Depth;//このノードの深さ、ルートノードは1です
function XMLTag($tag='')
{
$this- >属性 = array();
$this->child = array();
$this->gt;深さ = 0;
$this->parent = null;
$this->data = '' ;
$ this->TagName = $tag;
}
function SetTagName($tag)
{
$this->TagName = $tag;
}
function SetParent(&$parent)
{
$this- >parent = &$parent;
}
function SetAttribute($name,$value)
{
$this->attribute[$name] = $value;
}
function AppendChild(&$child)
{
$i = count($this->child);
$this->child[$i] = &$child;
}
function SetData($data)
{
$this->data= $data ;
}
関数 GetAttr()
{
return $this->attribute;
}
function GetProperty($name)
{
return $this->attribute[$name];
}
function GetData()
{
return $this->data;
}
function GetParent()
{
return $this->gt;parent;
}
function GetChild()
{
return $this->child;
}
function GetChildByName( $name)
{
$total = count($this->child);
for($i=0;$i {
if($this->child) [$i ]->attribute['name'] == $name)
{
return $this->child[$i];
}
}
return null;
}
//タグノードを取得する
関数 GetelementsBytagname($tag) {
$vector = Array();
$tree = & $this;
}
関数 _GetElementByTagName($tree,$tag,&$vector)
{
if($ tree->タグ名 == $tag) array_push($vector,$tree);
$total = count($tree->child) ;
for($i = 0; $i $this->_GetElementByTagName($tree->child[$i],$tag,$vector);
}
}
//xml 文書解析
class XMLDoc
{
var $parser;//xml解析ポインタ
var $XMLTree;//生成されたxmlツリー
var $XMLFile;//解析対象のxmlドキュメント
var $XMLData;// 解析対象のxmlデータ
var $error;//エラーメッセージ
var $NowTag ;//現在指しているノード
var $TreeData;//生成されたxmlツリーのトラバースを待機しているデータ
var $MaxDepth;//このツリーの最大値
の深さ var $encode;//xmlのエンコード方法document
var $chs;//文字変換
function XMLDoc()
{
//デフォルトの ISO-8859-1 を使用
$this->parser = xml_parser_create ();
xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING,0);
xml_set_object($this->parser,&$this);
xml_set_element_handler($this->parser,'_StartElement','_EndElement' );
xml_set_character_data_handler($this->parser,' _CData');
$this->stack = array();
$this->gt;XMLTree = null;
$this->NowTag = null;
$this->MaxDepth = 0;
}
関数LoadFromFile($file)
{
$this->XMLFile = fopen($file,'r');
if(!$this->XMLFile)
{
$this->error = 'xml を開けませんfile';
return false;
}
$this->XMLData = '';
$this->TreeData = '';
return true;
}
function SetXMLData($data)
{
if($ this->XMLFile) fclose($this->XMLFile);
$this->XMLData = $data;
$this->TreeData = '' ;
}
// 新しいノードをツリーに追加します
function AppendChild(&$child)
{
if($this->gt;XMLTree == null)
{
$child-> Depth = 1;
$ this->XMLTree = &$child;
$this ->NowTag = &$this->XMLTree;
}
else
{
$i = count($this->NowTag->child);
$this->NowTag->child[$i] = &$child;
$child->parent = &$this->NowTag;
$child->depth = $this->NowTag->depth+1;
unset($this->NowTag);
$this->NowTag = &$child;
}
$this->MaxDepth = ($this->MaxDepth NowTag->depth)?$this->NowTag->depth:$this->MaxDepth;
}
//产生一个新的节点
function &CreateElement($tag)
{
$element = new XMLTag($tag);
return $element;
}
function _StartElement($parser,$element,$attribute)
{
$tag = new XMLTag();
$tag->TagName = $element;
$tag->attribute = $attribute;
if($this->XMLTree == null)
{
$tag->parent = null;
$tag->depth = 1;
$this->XMLTree = &$tag;
$this->NowTag = &$tag;
}
else
{
$i = count($this->NowTag->child);
$this->NowTag->child[$i] = &$tag;
$tag->parent = &$this->NowTag;
$tag->depth = $this->NowTag->depth+1;
unset($this->NowTag);
$this->NowTag = &$tag;
}
$this->MaxDepth = ($this->MaxDepth NowTag->depth)?$this->NowTag->depth:$this->MaxDepth;
}
function _CData($paraser,$data)
{
$this->NowTag->data = $data;
}
function _EndElement($parser,$element)
{
$parent = &$this->NowTag->parent;
unset($this->NowTag);
$this->NowTag = &$parent;
}
//开始解析xml文档
function parse()
{
if($this->XMLFile)
{
$this->XMLData = '';
while(!feof($this->XMLFile))
{
$this->XMLData .= fread($this->XMLFile,4096);
}
}
fclose($this->XMLFile);
if($this->XMLData)
{
//$this->JudgeEncode();
if (!xml_parse($this->parser, $this->XMLData))
{
$code = xml_get_error_code($this->parser);
$col = xml_get_current_column_number($this->parser);
$line = xml_get_current_line_number($this->parser);
$this->error = "XML error: $col at line $line:".xml_error_string($code);
return false;
}
}
xml_parser_free($this->parser);
return true;
}
//确定编码方式
function JudgeEncode()
{
$start = strpos($this->XMLData,' $end = strpos($this->XMLData,'>');
$str = substr($this->XMLData,$start,$end-$start);
$pos = strpos($str,'encoding');
if($pos !== false)
{
$str = substr($str,$pos);
$pos = strpos($str,'=');
$str = substr($str,$pos+1);
$pos = 0;
while(empty($str[$pos])) $pos++;
$this->encode = '';
while(!empty($str[$pos]) && $str[$pos] != '?')
{
if($str[$pos] != '"' && $str[$pos] != "'")
$this->encode .= $str[$pos];
$pos++;
}
}
$this->chs = new Chinese('UTF-8',$this->encode);
}
//根据节点名称修改某个节点的值
function ChangeValueByName($name,$name,$value)
{
return $this->_ChangeValueByName($this->XMLTree,$name,$value);
}
function _ChangeValueByName($tree,$name,$value)
{
if(is_array($tree->attribute))
{
while (list($k,$v) = each($tree->attribute))
{
if($k = 'name' && $v = $name)
{
$tree->data = $value;
return true;
}
}
}
$total = count($tree->child);
for($i = 0;$i {
$result = $this->_ChangeValueByName($tree->child[$i],$name,$value);
if($result == true) break;
}
return $result;
}
Function Changeattrbyname ($ Name, $ Attr, $ Value) {
Return $ This-& Ltree, $ name, $ attr ,$value) ;
}
function _ChangeAttrByName(&$tree,$name,$attr,$value)
{
if(is_array($tree->attribute))
{
while(list($k,$ v) = each （$ tree＆gt; atttibution）
$ t = $ this-＆gt; _changeattrbyname（$ tree＆gt;関数getDocumenteLement（）{
$ $ this-＆gt; xmltree; this-> = 'タグ名.' ';
if(is_array($tree->attribute))
{
while(list($key,$value) = each($ツリー->属性 ))
$this-> total = count($tree->child);
for($i=0;$i {
$this-> _WalkTree($tree->child[$i]) } ->error;
}
’ $head='')
{
$fp = fopen($file,'w');
if(!$ fp)
{
$this->error = '書き込み用にファイルを開けません';
return false ;
}
if(empty($this->TreeData)) $this->WalkTree();
$head = empty($head)?'':$head;
fwrite($fp,$head);
fwrite( $fp,$this->TreeData);
fclose($fp);
return true;
}
}
?>
