sintonia/library/pear/XML/Beautifier/Renderer/Plain.php

314 lines
10 KiB
PHP

<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* XML_Beautifier
*
* XML Beautifier's Plain Renderer
*
* 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: Plain.php,v 1.7 2008/08/24 19:44:14 ashnazg Exp $
* @link http://pear.php.net/package/XML_Beautifier
*/
/**
* XML_Util is needed to create the tags
*/
require_once 'XML/Util.php';
/**
* Renderer base class
*/
require_once XML_BEAUTIFIER_INCLUDE_PATH . '/Renderer.php';
/**
* Basic XML Renderer 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: 1.2.0
* @link http://pear.php.net/package/XML_Beautifier
* @todo option to specify inline tags
* @todo option to specify treatment of whitespace in data sections
*/
class XML_Beautifier_Renderer_Plain extends XML_Beautifier_Renderer
{
/**
* Serialize the XML tokens
*
* @param array $tokens XML tokens
*
* @return string XML document
* @access public
*/
function serialize($tokens)
{
$tokens = $this->normalize($tokens);
$xml = '';
$cnt = count($tokens);
for ($i = 0; $i < $cnt; $i++) {
$xml .= $this->_serializeToken($tokens[$i]);
}
return $xml;
}
/**
* serialize a token
*
* This method does the actual beautifying.
*
* @param array $token structure that should be serialized
*
* @return mixed
* @access private
* @todo split this method into smaller methods
*/
function _serializeToken($token)
{
switch ($token["type"]) {
/*
* serialize XML Element
*/
case XML_BEAUTIFIER_ELEMENT:
$indent = $this->_getIndentString($token["depth"]);
// adjust tag case
if ($this->_options["caseFolding"] === true) {
switch ($this->_options["caseFoldingTo"]) {
case "uppercase":
$token["tagname"] = strtoupper($token["tagname"]);
$token["attribs"] =
array_change_key_case($token["attribs"], CASE_UPPER);
break;
case "lowercase":
$token["tagname"] = strtolower($token["tagname"]);
$token["attribs"] =
array_change_key_case($token["attribs"], CASE_LOWER);
break;
}
}
if ($this->_options["multilineTags"] == true) {
$attIndent = $indent . str_repeat(" ",
(2+strlen($token["tagname"])));
} else {
$attIndent = null;
}
// check for children
switch ($token["contains"]) {
// contains only CData or is empty
case XML_BEAUTIFIER_CDATA:
case XML_BEAUTIFIER_EMPTY:
if (sizeof($token["children"]) >= 1) {
$data = $token["children"][0]["data"];
} else {
$data = '';
}
if (strstr($data, "\n")) {
$data = "\n"
. $this->_indentTextBlock($data, $token['depth']+1, true);
}
$xml = $indent
. XML_Util::createTag($token["tagname"],
$token["attribs"], $data, null, XML_UTIL_REPLACE_ENTITIES,
$this->_options["multilineTags"], $attIndent)
. $this->_options["linebreak"];
break;
// contains mixed content
default:
$xml = $indent . XML_Util::createStartElement($token["tagname"],
$token["attribs"], null, $this->_options["multilineTags"],
$attIndent) . $this->_options["linebreak"];
$cnt = count($token["children"]);
for ($i = 0; $i < $cnt; $i++) {
$xml .= $this->_serializeToken($token["children"][$i]);
}
$xml .= $indent . XML_Util::createEndElement($token["tagname"])
. $this->_options["linebreak"];
break;
break;
}
break;
/*
* serialize CData
*/
case XML_BEAUTIFIER_CDATA:
if ($token["depth"] > 0) {
$xml = str_repeat($this->_options["indent"], $token["depth"]);
} else {
$xml = "";
}
$xml .= XML_Util::replaceEntities($token["data"])
. $this->_options["linebreak"];
break;
/*
* serialize CData section
*/
case XML_BEAUTIFIER_CDATA_SECTION:
if ($token["depth"] > 0) {
$xml = str_repeat($this->_options["indent"], $token["depth"]);
} else {
$xml = "";
}
$xml .= '<![CDATA['.$token["data"].']]>' . $this->_options["linebreak"];
break;
/*
* serialize entity
*/
case XML_BEAUTIFIER_ENTITY:
if ($token["depth"] > 0) {
$xml = str_repeat($this->_options["indent"], $token["depth"]);
} else {
$xml = "";
}
$xml .= "&".$token["name"].";".$this->_options["linebreak"];
break;
/*
* serialize Processing instruction
*/
case XML_BEAUTIFIER_PI:
$indent = $this->_getIndentString($token["depth"]);
$xml = $indent."<?".$token["target"].$this->_options["linebreak"]
. $this->_indentTextBlock(rtrim($token["data"]), $token["depth"])
. $indent."?>".$this->_options["linebreak"];
break;
/*
* comments
*/
case XML_BEAUTIFIER_COMMENT:
$lines = count(explode("\n", $token["data"]));
/*
* normalize comment, i.e. combine it to one
* line and remove whitespace
*/
if ($this->_options["normalizeComments"] && $lines > 1) {
$comment = preg_replace("/\s\s+/s", " ",
str_replace("\n", " ", $token["data"]));
$lines = 1;
} else {
$comment = $token["data"];
}
/*
* check for the maximum length of one line
*/
if ($this->_options["maxCommentLine"] > 0) {
if ($lines > 1) {
$commentLines = explode("\n", $comment);
} else {
$commentLines = array($comment);
}
$comment = "";
for ($i = 0; $i < $lines; $i++) {
if (strlen($commentLines[$i])
<= $this->_options["maxCommentLine"]
) {
$comment .= $commentLines[$i];
continue;
}
$comment .= wordwrap($commentLines[$i],
$this->_options["maxCommentLine"]);
if ($i != ($lines-1)) {
$comment .= "\n";
}
}
$lines = count(explode("\n", $comment));
}
$indent = $this->_getIndentString($token["depth"]);
if ($lines > 1) {
$xml = $indent . "<!--" . $this->_options["linebreak"]
. $this->_indentTextBlock($comment, $token["depth"]+1, true)
. $indent . "-->" . $this->_options["linebreak"];
} else {
$xml = $indent . sprintf("<!-- %s -->", trim($comment))
. $this->_options["linebreak"];
}
break;
/*
* xml declaration
*/
case XML_BEAUTIFIER_XML_DECLARATION:
$indent = $this->_getIndentString($token["depth"]);
$xml = $indent . XML_Util::getXMLDeclaration($token["version"],
$token["encoding"], $token["standalone"]);
break;
/*
* xml declaration
*/
case XML_BEAUTIFIER_DT_DECLARATION:
$xml = $token["data"];
break;
/*
* all other elements
*/
case XML_BEAUTIFIER_DEFAULT:
default:
$xml = XML_Util::replaceEntities($token["data"]);
break;
}
return $xml;
}
}
?>