phpxd-commits Mailing List for phpXD (Page 2)

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Update of /cvsroot/phpxd/phpXD/include/dom
In directory usw-pr-cvs1:/tmp/cvs-serv8265/include/dom

Added Files:
	DOMWriter.php 
Log Message:
Add DOMWriter.php
sample_big5.xml
dwtest.php

Modify dom.php for including DOMWriter.php
by Growbal

--- NEW FILE: DOMWriter.php ---
<?php
// phpXMLDOM - an XML DOM Implementation
//
// This Software and all associated files are released unter the 
// GNU Public License (GPL), see LICENSE for details.
//
// $Id: DOMWriter.php,v 1.1 2002/03/03 06:23:16 growbal Exp $

/**
 * Class representing the DOMWriter interface.
 *
 * 
 * @package  phpXD
 * @author   Growbal Kuo <gr...@ta...>
 * @author   Thomas Dohmke <th...@do...>
 * @version  $Revision: 1.1 $
 */
class DOMWriter {

  /**
   * An array for saving DOMWriter's names features.<br>
   * array keys are feature names. array values are feature states(true or false).<br>
   *
   * DOM-Level 3
   *
   * @private
   * @type    array
   */

  var $namedFeatures;

/**
 * The character encoding in which the output will be written. 
 * The encoding to use when writing is determined as follows: 
 * <li>If the encoding attribute has been set, that value will be used. 
 * <li>If the encoding attribute is null or empty, but the item to be 
 * written includes an encoding declaration, that value will be used. 
 * <li>If neither of the above provides an encoding name, a default encoding 
 * of "UTF-8" will be used.

   * DOM-Level 3
   *
   * @public
   * @type    string
   */

  var $encoding;

  /**
   * The actual character encoding that was last used by this formatter.<br> 
   * This convenience method allows the encoding that was used <br>
   * when serializing a document to be directly obtained.<br>
   * Readonly<br>
   *
   * DOM-Level 3
   *
   * @private
   * @type    string
   */

  var $lastEncoding;

/**
 * The error handler that will receive error notifications 
 * during serialization. The node where the error occured is 
 * passed to this error handler, any modification to nodes 
 * from within an error callback should be avoided since this 
 * will result in undefined, implementation dependent behavior. 
 *
 * DOM-Level 3
 *
 * @public
 * @type string
 */

  var $errorHandler;

  /**
   * The end-of-line sequence of characters to be used in<br> 
   * the XML being written out. The only permitted values are these: <br>
   * <li> null<br>
   * <li> CR <br>
   * <li> CR-LF <br>
   * <li> LF  <br>
   *
   * DOM-Level 3
   *
   * @public
   * @type    string
   */

  var $newLine;

  /**
   * Constructor of the class.<br>
   *
   * @public
   */
  function DOMWriter() {
    $this->namedFeatures = array(
      "normalize-characters" => true,
      "split-cdata-sections" => true,
      "validation" => false,
      "expand-entity-references" => false,
      "whitespace-in-element-content" => true,
      "discard-default-content" => true,
      "format-canonical" => false,
      "format-pretty-print" => false
    );    

    $this->encoding = "UTF-8";
    $this->$newLine = "\n";  //LF
  }

  /**
   * Returns true if the feature could be successfully set to the specified value.<br>
   * DOM-Level 3
   *
   * @public
   * @param   $name   <code>string</code>
   * @param   $state  <code>boolean</code>
   * @returns void
   */
  function setFeature($name, $state) {
    if ($this->canSetFeatureName($name))
      if ($this->canSetFeature($name, $state)) {
        $this->namedFeatures[$name] = $state;

        if ($name=="format-pretty-print") {
          $this->namedFeatures["format-canonical"] = ! $state;
        } else if ($name=="format-canonical") {
          $this->namedFeatures["format-pretty-print"] = ! $state;
        }

      } else
        return NOT_SUPPORTED_ERR;
    else
      return NOT_FOUND_ERR;    
  }

  /**
   * Returns true if the feature could be successfully set.<br>   
   *
   * @private
   * @param   $name   <code>string</code>
   * @returns boolean
   */
  function canRecognizeFeatureName($name) {
    $ret = in_array($name, $this->namedFeatures);
    return $ret;
  }

  /**
   * Returns true if the feature could be successfully set to the specified value.<br>
   * DOM-Level 3
   *
   * @public
   * @param   $name   <code>string</code>
   * @param   $state  <code>boolean</code>
   * @returns boolean
   */
  function canSetFeature($name, $state) {    
    $canSetState = ($state===true || $state===false);
    return canRecognizeFeatureName($name) && $canSetState;
  }

  /**
   * Returns the current state of the feature (true or false).<br>
   * DOM-Level 3
   *
   * @public
   * @param   $name   <code>string</code>
   * @returns boolean
   */
  function getFeature($name) {
    if ($this->canRecognizeFeatureName($name))
      return $this->namedFeatures[$name];
    else
      return NOT_FOUND_ERR;
  }

  /**
   * Write out the specified node in the description of DOMWriter. <br>
   *
   * Destination can be in these PHP supported output:
   * <li> "/home/rasmus/file.xml"
   * <li> "ftp://user:pas...@ex.../file.xml"
   * <li> "php://stdout", or "php://stderr"
   *
   * On the Windows platform, be careful to escape any backslashes <br>
   * used in the path to the file, or use forward slashes:
   * "c:\\data\\file.xml"
   *
   *
   * DOM-Level 3
   *
   * @public
   * @param   $destination    <code>string</code>
   * @param   $wnode          <code>Node</code>
   * @returns boolean
   */
  function writeNode($destination, $wnode) {

    $ok = true;
    if ($fp = fopen($destination, "w")) {
      $text = "";
      $this->writeToString2($wnode, false, 0, $text);
      if (! fwrite($fp, $text) >=0 )
        $ok = false;
      fclose($fp);
    }
    else
      $ok = false;
    return $ok;
  }

  /**
   * Serialize the specified node in the description of DOMWriter.<br>
   * DOM-Level 3
   *
   * @public
   * @param   $wnode   <code>Node</code>
   * @returns string
   */
  function writeToString($wnode) {
    $str = "";
    $this->writeToString2($wnode, $trim, 0, $str);
    return $str;
  }

  /**
   * Print indents for pretty format<br>
   * 
   *
   * @private
   * @param   $indent   <code>int</code>
   * @returns string
   */
  function printIndent($indent) {    
  	$ret = "";
  	//if ($this->getFeature("format-pretty-print")) {
	    for ($i=0; $i<$indent; $i++) {
		    $ret .= "\t";
  	  }
  	//}

	  return $ret;
  }

  /**
   * Serialize the specified node in the description of DOMWriter.<br>
   * 
   *
   * @private
   * @param   $dom   <code>Node</code>
   * @param   $trim  <code>boolean</code>
   * @param   $indent <code>string</code>
   * @param   &$text <code>string</code>
   * @returns void
   */
  function writeToString2(&$dom, $trim, $indent, &$text) {
    $newLine=$this->$newLine;
    $indentStr = $this->printIndent($indent);

    if ($dom->nodeType == CDATA_SECTION_NODE) {
      $text .= $indentStr."<![CDATA[";
      $text .= $dom->getData();
      $text .= $indentStr."]]>".$newLine;
    }
    if ($dom->nodeType == COMMENT_NODE) {
      $text .= $indentStr."<!--";
      $text .= $dom->getData();
      $text .= $indentStr."-->".$newLine;
    }
    if ($dom->nodeType == DOCUMENT_NODE) {
      $text ="";

      $encodingDecl = sprintf(' encoding="%s"', $this->encoding);
      // $SDDecl = "";

      $text .= sprintf('<?xml version="1.0"%s?>', $encodingDecl).$newLine;

      if ($dom->hasChildNodes()) {
        $this->writeToString2($dom->firstChild, $trim, $indent, $text);
      }
    }
    if ($dom->nodeType == DOCUMENT_FRAGMENT_NODE) {
      $this->writeToString2($dom->firstChild, $trim, $text);
    }
    if ($dom->nodeType == ELEMENT_NODE) {
      $text .= $indentStr."<".$dom->tagName;
      if (isset($dom->attributes)) {
        for ($i = 0; $i < $dom->attributes->getLength(); $i++) {
		$elem =& $dom->attributes->item($i);
		if ($elem->specified) {
		  $text .= " ".$elem->getName()."=\"".$elem->getValue()."\"";
		}
        }
      }

      if ($dom->hasChildNodes()) {
        $text .= ">".$newLine;
        $this->writeToString2($dom->firstChild, $trim, $indent+1, $text);
        $text .= $indentStr."</".$dom->tagName.">".$newLine;

      }
      else {
        $text .= " />".$newLine;
      }
    }
    if ($dom->nodeType == ENTITY_REFERENCE_NODE) {
      if ($dom->hasChildNodes()) {
        $this->writeToStrring2($dom->firstChild, $text,$indent, $trim);
      }
    }
    if ($dom->nodeType == PROCESSING_INSTRUCTION_NODE) {
      $output = $dom->getData();
      if ($trim) {
        $output = str_replace("\t", " ", $output);
        $output = preg_replace('=  =', ' ', $output);
        $output = str_replace("\n ", "\n", $output);
      }
      $text .= $indentStr."<?".$dom->getTarget()." ";
      $text .= $output;
      $text .= "?>".$newLine;
    }
    if ($dom->nodeType == TEXT_NODE) {
      $output = trim($dom->getData());
      if ($output!="") {       
        //$output = ereg_replace("^[\n\t ](.*)[\n\t ]$", "\\1",$output);
        $output = preg_replace("/^\s(.*)\s$/", "$1",$output);
        if ($trim) {
          $output = str_replace("\t", " ", $output);
          $output = preg_replace('=  =', ' ', $output);
          $output = str_replace("\n ", "\n", $output);
          $text .= $indentStr.$output.$newLine;
        }
        else {
          $text .= $indentStr.$output.$newLine;
        }
      }
    }
    if (isset($dom->nextSibling)) {
      $this->writeToString2($dom->nextSibling, $trim, $indent, $text);
    }
  }
}

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