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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* XML_Beautifier/Renderer
*
* XML Beautifier's Rendere
*
* PHP versions 4 and 5
*
* LICENSE:
*
* Copyright (c) 2003-2008 Stephan Schmidt <schst@php.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category XML
* @package XML_Beautifier
* @author Stephan Schmidt <schst@php.net>
* @copyright 2003-2008 Stephan Schmidt <schst@php.net>
* @license http://opensource.org/licenses/bsd-license New BSD License
* @version CVS: $Id: Renderer.php 265438 2008-08-24 19:44:14Z ashnazg $
* @link http://pear.php.net/package/XML_Beautifier
*/
/**
* Renderer base class for XML_Beautifier
*
* @category XML
* @package XML_Beautifier
* @author Stephan Schmidt <schst@php.net>
* @copyright 2003-2008 Stephan Schmidt <schst@php.net>
* @license http://opensource.org/licenses/bsd-license New BSD License
* @version Release: @package_version@
* @link http://pear.php.net/package/XML_Beautifier
*/
class XML_Beautifier_Renderer
{
/**
* options
* @var array
*/
var $_options = array();
/**
* create a new renderer
*
* @param array $options for the serialization
*
* @access public
*/
function XML_Beautifier_Renderer($options = array())
{
$this->_options = $options;
}
/**
* Serialize the XML tokens
*
* @param array $tokens XML tokens
*
* @return string XML document
* @access public
* @abstract
*/
function serialize($tokens)
{
return '';
}
/**
* normalize the XML tree
*
* When normalizing an XML tree, adjacent data sections
* are combined to one data section.
*
* @param array $tokens XML tree as returned by the tokenizer
*
* @return array XML tree
* @access public
*/
function normalize($tokens)
{
$tmp = array();
foreach ($tokens as $token) {
array_push($tmp, $this->_normalizeToken($token));
}
return $tmp;
}
/**
* normalize one element in the XML tree
*
* This method will combine all data sections of an element.
*
* @param array $token token array
*
* @return array $struct
* @access private
*/
function _normalizeToken($token)
{
if ((isset($token["children"]))
&& !is_array($token["children"])
|| empty($token["children"])
) {
return $token;
}
$children = $token["children"];
$token["children"] = array();
$cnt = count($children);
$currentMode = 0;
for ($i = 0; $i < $cnt; $i++ ) {
// no data section
if ($children[$i]["type"] != XML_BEAUTIFIER_CDATA
&& $children[$i]["type"] != XML_BEAUTIFIER_CDATA_SECTION
) {
$children[$i] = $this->_normalizeToken($children[$i]);
$currentMode = 0;
array_push($token["children"], $children[$i]);
continue;
}
/*
* remove whitespace
*/
if ($this->_options['removeLineBreaks'] == true) {
$children[$i]['data'] = trim($children[$i]['data']);
if ($children[$i]['data'] == '') {
continue;
}
}
if ($currentMode == $children[$i]["type"]) {
$tmp = array_pop($token["children"]);
if ($children[$i]['data'] != '') {
if ($tmp['data'] != ''
&& $this->_options['removeLineBreaks'] == true
) {
$tmp['data'] .= ' ';
}
$tmp["data"] .= $children[$i]["data"];
}
array_push($token["children"], $tmp);
} else {
array_push($token["children"], $children[$i]);
}
$currentMode = $children[$i]["type"];
}
return $token;
}
/**
* indent a text block consisting of several lines
*
* @param string $text textblock
* @param integer $depth depth to indent
* @param boolean $trim trim the lines
*
* @return string indented text block
* @access private
*/
function _indentTextBlock($text, $depth, $trim = false)
{
$indent = $this->_getIndentString($depth);
$tmp = explode("\n", $text);
$cnt = count($tmp);
$xml = '';
for ($i = 0; $i < $cnt; $i++ ) {
if ($trim) {
$tmp[$i] = trim($tmp[$i]);
}
if ($tmp[$i] == '') {
continue;
}
$xml .= $indent.$tmp[$i].$this->_options["linebreak"];
}
return $xml;
}
/**
* get the string that is used for indentation in a specific depth
*
* This depends on the option 'indent'.
*
* @param integer $depth nesting level
*
* @return string indent string
* @access private
*/
function _getIndentString($depth)
{
if ($depth > 0) {
return str_repeat($this->_options["indent"], $depth);
}
return "";
}
}
?>
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