File Source for XMLElement.php

<?php
/**
* $Source: /cvsroot/svggrapher/svggrapher/XMLElement.php,v $
*
* XMLElement
*
* @version CVS: $Id: XMLElement.php,v 1.5 2007/10/23 09:22:51 geelweb Exp $
* @filesource
* @author Guillaume Luchet. <guillaume@geelweb.org>
* @copyright Copyright (c) 2007, Guillaume Luchet.
* @license http://opensource.org/licenses/bsd-license.php BSD License
* @package SvgGrapher
*/
// constants {{{
if(!defined('XML_END_LINE')) {
/**
* end line character
* @var char
*/
define('XML_END_LINE', "\n");
}
if(!defined('XML_INDENT')) {
/**
* indentation, 4 space default
* @var string
*/
define('XML_INDENT', ' ');
}
if(!defined('MAX_CHAR_PER_LINE')) {
/**
* max char per line
*/
define('MAX_CHAR_PER_LINE', 80);
}
// }}}
/**
* XMLElement
*
* @version CVS: $Id: XMLElement.php,v 1.5 2007/10/23 09:22:51 geelweb Exp $
* @copyright Copyright (c) 2007, Guillaume Luchet
* @author guillaume luchet <guillaume@geelweb.org>
* @license http://opensource.org/licenses/bsd-license.php BSD License
* @package SvgGrapher
*/
class XMLElement
{
// properties {{{
/**
* name
*
* @var string
* @access protected
*/
protected $name = NULL;
/**
* content
*
* @var string
* @access protected
*/
protected $content = NULL;
/**
* attributes
*
* @var array
* @access protected
*/
protected $attributes = array();
/**
* children
*
* @var array
* @access protected
*/
protected $children = array();
/**
* parent
*
* @var XMLElement
* @access protected
*/
private $parent = false;
// }}}
// XMLElement::__construct() {{{
/**
* __construct
*
* @param string $name
* @param string $content
* @param array $atts
* @access public
* @return void
*/
public function __construct($name, $atts=array(), $content=NULL)
{
$this->name = $name;
$this->content = $content;
foreach($atts as $name=>$value) {
$this->setAttribute($name, $value);
}
}
// }}}
// XMLElement::__set() {{{
/**
* __set
*
* @param string $name
* @param mixed $value
* @access public
* @return mixed
*/
public function __set($name, $value)
{
$setter = 'set' . $name;
if(method_exists($this, $setter)) {
return $this->$setter($value);
}
return $this->$name = $value;
}
// }}}
// XMLElement::__get() {{{
/**
* __get
*
* @param string $name
* @access public
* @return mixed
*/
public function __get($name)
{
$getter = 'get' . $name;
if(method_exists($this, $getter)) {
return $this->$getter();
}
return $this->$name;
}
// }}}
// XMLElement::setAttribute() {{{
/**
* setAttribute
*
* @param string $name
* @param string $value
* @access public
* @return void
*/
public function setAttribute($name, $value=NULL)
{
if(is_string($name) && !is_null($value)) {
$this->attributes[$name] = $value;
}
}
// }}}
// XMLElement::getAttribute() {{{
/**
* getAttribute
*
* @param string $name
* @access public
* @return string
*/
public function getAttribute($name)
{
$getter = '_get' . $name . 'Attribute';
if(method_exists($this, $getter)) {
return $this->$getter();
}
if(isset($this->attributes[$name])) {
return $this->attributes[$name];
}
return NULL;
}
// }}}
// XMLElement::appendChild() {{{
/**
* appendChild
*
* @param XMLElement $child
* @access public
* @return void
*/
public function appendChild($child)
{
if(false === $child->parent) {
$child->parent = $this;
$this->children[] = $child;
}
}
// }}}
// XMLElement::asXML() {{{
/**
* asXML
*
* @access public
* @return string
*/
public function asXML()
{
$tagTpl = '<{$TAG}{$ATTRIBUTES}>{$CONTENT}</{$TAG}>';
$atts = '';
$content = is_null($this->content) ? '' : $this->content;
foreach($this->attributes as $key=>$value) {
$atts .= ' ' . $key . '="' . $value . '"';
}
foreach($this->children as $child) {
$content .= $child->asXML();
}
$xml = str_replace(
array('{$TAG}', '{$ATTRIBUTES}', '{$CONTENT}'),
array($this->name, $atts, $content), $tagTpl);
return $xml;
}
// }}}
// XMLElement::asPrettyXML() {{{
/**
* asPrettyXML
*
* @param int $level node level
* @access public
* @return string
*/
public function asPrettyXML($level=0)
{
$padding = str_repeat(XML_INDENT, $level);
$string = array();
$line = 0;
$string[$line] = $padding . '<' . $this->name;
foreach($this->attributes as $key=>$value) {
$attr = ' ' . $key . '="' . $value . '"';
if((strlen($string[$line]) + strlen($attr)) > MAX_CHAR_PER_LINE) {
$line++;
$string[$line] = $padding . XML_INDENT . trim($attr);
} else {
$string[$line] .= $attr;
}
}
$xml = implode(XML_END_LINE, $string) . '>';
$content = is_null($this->content) ? '' :
XML_END_LINE .$padding . XML_INDENT . $this->content;
foreach($this->children as $child) {
$content .= XML_END_LINE . $child->asPrettyXML($level+1);
}
if(!empty($content)) {
$xml .= $content . XML_END_LINE . $padding . '</' . $this->name . '>';
} else {
$xml .= '</' . $this->name . '>';
}
return $xml;
}
// }}}
// XMLElement::saveXML() {{{
/**
* saveXML
*
* @param mixed $filename
* @param mixed $compress
* @access public
* @return boolean
*/
public function saveXML($filename, $compress=false)
{
$xml = $compress ? $this->asXML() : $this->asPrettyXML();
$fh = fopen($filename, 'w');
if($fh != false) {
$return = fwrite($fh, $xml);
fclose($fh);
return $return !== false;
}
return false;
}
// }}}
// XMLElement::_getStyleAttribute() {{{
/**
* _getStyleAttribute
*
* Return the element style
*
* @access private
* @return SvgStyle
*/
private function _getStyleAttribute()
{
require_once SVGGRAPHER_CLASS_PATH . '/mains/SvgStyle.php';
$style = new SvgStyle(isset($this->attributes['style'])?$this->attributes['style']:'');
return $style;
}
// }}}
// XMLElement::_getTransformAttribute() {{{
/**
* _getTransformAttribute
*
* Return the element transformation
*
* @access private
* @return SvgTransform
*/
private function _getTransformAttribute()
{
require_once SVGGRAPHER_CLASS_PATH . '/mains/SvgTransform.php';
$transform = new SvgTransform(isset($this->attributes['transform'])?$this->attributes['transform']:'');
return $transform;
}
// }}}
}
?>

Documentation generated on Tue, 23 Oct 2007 11:32:22 +0200 by phpDocumentor 1.4.0

Source for file XMLElement.php