Easily parse XML documents with PHP 5.0 (2)

XML file: simpledocumentparser.php

<?php/** *========================================================= * * @author Hahawen (older Youth) * @since 2004-12- @copyright Copyright (c), Nxcoder Group * *========================================================= *//** * CL Ass Simpledocumentparser * Use SAX parse XML file, and builds Simpledocumentobject * All of this pachage ' s is work for XML fil E, and is action as DOM. * @package SmartWeb.common.xml * @version 1.0 */class simpledocumentparser{Private $dom Rootobject = null; Private $currentNO = null; Private $currentName = null; Private $currentValue = null; Private $currentAttribute = null; Public Function getsimpledocument () {return $this->domrootobject.} Public Function Parse ($file) {$xmlParser     = Xml_parser_create ();     Xml_parser_set_option ($xmlParser, xml_option_case_folding, 0);     Xml_parser_set_option ($xmlParser, Xml_option_skip_white, 1);     Xml_parser_set_option ($xmlParser, xml_option_target_encoding, ' UTF-8 '); Xml_set_object ($XMLparser, $this);     Xml_set_element_handler ($xmlParser, "startelement", "endelement");        Xml_set_character_data_handler ($xmlParser, "characterdata"); if (!xml_parse ($xmlParser, file_get_contents ($file)) Die (sprintf ("XML error:%s at line%d", xml_error_string ( Xml_get_error_code ($xmlParser)),
Xml_get_current_line_number ($xmlParser))); Xml_parser_free ($xmlParser);        Private Function Startelement ($parser, $name, $attrs) {$this->currentname = $name;        $this->currentattribute = $attrs;         if ($this->currentno = = null) {$this->domrootobject = new Simpledocumentroot ($name);        $this->currentno = $this->domrootobject;        else {$this->currentno = $this->currentno->createnode ($name, $attrs); The Private function endelement ($parser, $name) {if ($this->currentname== $name) {$tag = $this         ->currentno->getseq ();            $this->currentno = $this->currentno->getpnodeobject (); if ($this->currentattribute!=null && sizeof ($this->currentattribute) >0) $this->currentno->setvalue ($name, Array (' value ' => $this->currentvalue,
' Attrs ' => $this->currentattribute));            else $this->currentno->setvalue ($name, $this->currentvalue);        $this->currentno->removenode ($tag); else {$this->currentno = (is_a ($this->currentno, ' simpledocumentroot '))? Null:
$this->currentno->getpnodeobject (); The Private function Characterdata ($parser, $data) {$this->currentvalue = iconv (' UTF-8 ', ' GB2312 ', $data);} funct Ion __destruct () {unset ($this->domrootobject);}? >

File: simpledocumentbase.php

<?php/** *========================================================= * * @author Hahawen (older Youth) * @since 2004-12- @copyright Copyright (c), Nxcoder Group * *========================================================= *//** * AB Stract Class Simpledocumentbase * base class FOR XML file parse * All this pachage ' are work for XML file, and method is a Ction as DOM. * * 1\ add/update/remove data of XML file. * 2\ explode data to array. * 3\ Rebuild XML file * * @package SmartWeb.common.xml * @abstract * @version 1.0 */abstract Class simpledocumentbase{pri Vate $nodeTag = null; Private $attributes = Array (); Private $values = Array ();    Private $nodes = Array ();    function __construct ($nodeTag) {$this->nodetag = $nodeTag;    The Public Function Getnodetag () {return $this->nodetag;    The Public Function setvalues ($values) {$this->values = $values;    The Public Function SetValue ($name, $value) {$this->values[$name] = $value; } Public FunCtion GetValue ($name =null) {return $name ==null $this->values: $this->values[$name];    The Public Function RemoveValue ($name) {unset ($this->values["$name"));    The Public Function SetAttributes ($attributes) {$this->attributes = $attributes;    The Public Function setattribute ($name, $value) {$this->attributes[$name] = $value;     The Public Function getattribute ($name =null) {return $name ==null? $this->attributes: $this->attributes[$name];    The Public Function removeattribute ($name) {unset ($this->attributes["$name"));    The Public Function getnodessize () {return sizeof ($this->nodes);    } protected function Setnode ($name, $nodeId) {$this->nodes[$name] = $nodeId;    public abstract function CreateNode ($name, $attributes);    public abstract function Removenode ($name);    public abstract function GetNode ($name =null); protected function Getnodeid ($name =null) {return $name ==null? $this->nodes:$this->nodes[$name]; } protected function Createnodebyname ($ROOTNODEOBJ, $name, $attributes, $pId) {$tmpObject = $ROOTNODEOBJ->CR        Eatenodeobject ($pId, $name, $attributes); $key = Isset ($attributes [id])? $name. ' _ '. $attributes [id]: $name. '        _ '. $this->getnodessize ();     $this->setnode ($key, $tmpObject->getseq ());    return $tmpObject; } protected function Removenodebyname ($ROOTNODEOBJ, $name) {$rootNodeObj->removenodebyid ($this->getnodeid ($n        AME));     if (sizeof ($this->nodes) ==1) $this->nodes = Array ();    else unset ($this->nodes[$name]); } protected function Getnodebyname ($ROOTNODEOBJ, $name =null) {if ($name ==null) {$tmpList = array            ();            $tmpIds = $this->getnodeid ();            foreach ($tmpIds as $key => $id) $tmpList [$key] = $ROOTNODEOBJ->getnodebyid ($id);     return $tmpList;      else {$id = $this->getnodeid ($name);             if ($id ===null) {$tmpIds = $this->getnodeid (); foreach ($tmpIds as $tkey => $tid) {if (Strpos ($key, $name) ==0) {$id = $               Tid              Break     Return $ROOTNODEOBJ->getnodebyid ($id);     The Public Function Findnodebypath ($path) {$pos = Strpos ($path, ' | ');        if ($pos <=0) {return $this->getnode ($path);         else {$tmpObj = $this->getnode (substr ($path, 0, $pos)); Return Is_object ($TMPOBJ)?        $TMPOBJ->findnodebypath (substr ($path, $pos + 1)): null;        The Public Function Getsavedata () {$data = $this->values;        if (sizeof ($this->attributes) >0) $data [attrs] = $this->attributes;        $nodeList = $this->getnode ();        if ($nodeList ==null) return $data;        foreach ($nodeList as $key => $node) {$data [$key] = $node->getsavedata ();    return $data; The Public function Getsavexml ($level=0) {$prefixSpace = Str_pad ("", $level, "T");        $str = "$prefixSpace $this->nodetag";        foreach ($this->attributes as $key => $value) $str. = "$key =\" $value \ "";        $str. = ">\r\n"; foreach ($this->values as $key => $value) {if (Is_array ($value)) {$str. = "$prefixSpace \                t< $key ";                foreach ($value [attrs] as $attkey => $attvalue) $str. = "$attkey =\" $attvalue \ "";            $TMPSTR = $value [value];             else {$str. = "$prefixSpace \t< $key";            $TMPSTR = $value;            $TMPSTR = Trim (Trim ($tmpStr, "\ r \ n")); $str. = ($tmpStr ===null | | $tmpStr = = "")?        "/>\r\n": "> $tmpStr </$key >\r\n"; foreach ($this->getnode () as $node) $str. = $node->getsavexml ($level + 1).     \ r \ n ";     $str. = "$prefixSpace </$this->nodetag>";    return $str; function __destruct () {unset ($this->nodes, $this->attribUtes, $this->values);       }}?>