KT_atom_baseDoc.inc.php
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<?php
/**
* Framework for an Atom Publication Protocol Service
*
* KnowledgeTree Community Edition
* Document Management Made Simple
* Copyright (C) 2008, 2009 KnowledgeTree Inc.
* Portions copyright The Jam Warehouse Software (Pty) Limited
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
* California 94120-7775, or email info@knowledgetree.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s):
* Mark Holtzhausen <mark@knowledgetree.com>
*
*/
/**
* Includes
*/
class KT_atom_baseDoc{
const XML_ENCODING='utf-8';
const XML_VERSION='1.0';
public $DOM=NULL;
public function __construct(){
$this->DOM=new DOMDocument(self::XML_VERSION ,self::XML_ENCODING);
}
public function &newAttr($name=NULL){
$node=$this->DOM->createAttribute($name);
if(func_num_args()>1){
$val=func_get_arg(1);
$node->value=$val;
}
return $node;
}
public function &newElement($name=NULL){
if(func_num_args()>1){
$val=func_get_arg(1);
$node=$this->DOM->createElement($name,$val);
}else{
$node=$this->DOM->createElement($name);
}
return $node;
}
public function &newCDATA($data=NULL){
$this->DOM->createCDATASection($data);
}
public function &newB64Stream($tagName=NULL,$tagAttrs=array(),$streamString=NULL){
$e=$this->newElement($tagName,chunk_split(base64_encode($streamString),75));
foreach($tagAttrs as $attr=>$val){
$attr=$this->newAttr($attr,$val);
$e->appendChild($attr);
}
return $e;
}
public function formatXmlString($xml) {
// add marker linefeeds to aid the pretty-tokeniser (adds a linefeed between all tag-end boundaries)
$xml = preg_replace('/(>)(<)(\/*)/', "$1\n$2$3", $xml);
// now indent the tags
$token = strtok($xml, "\n");
$result = ''; // holds formatted version as it is built
$pad = 0; // initial indent
$matches = array(); // returns from preg_matches()
// scan each line and adjust indent based on opening/closing tags
while ($token !== false) :
// test for the various tag states
// 1. open and closing tags on same line - no change
if (preg_match('/.+<\/\w[^>]*>$/', $token, $matches)) :
$indent=0;
// 2. closing tag - outdent now
elseif (preg_match('/^<\/\w/', $token, $matches)) :
$pad--;
// 3. opening tag - don't pad this one, only subsequent tags
elseif (preg_match('/^<\w[^>]*[^\/]>.*$/', $token, $matches)) :
$indent=1;
// 4. no indentation needed
else :
$indent = 0;
endif;
// pad the line with the required number of leading spaces
$line = str_pad($token, strlen($token)+$pad, ' ', STR_PAD_LEFT);
$result .= $line . "\n"; // add to the cumulative result, with linefeed
$token = strtok("\n"); // get the next token
$pad += $indent; // update the pad size for subsequent lines
endwhile;
return $result;
}
}
?>