98 lines
2.9 KiB
PHP
98 lines
2.9 KiB
PHP
<?php
|
|
/* vim: set expandtab tabstop=4 shiftwidth=4: */
|
|
//
|
|
// Copyright (c) 2004-2005 Laurent Bedubourg
|
|
//
|
|
// This library is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Lesser General Public
|
|
// License as published by the Free Software Foundation; either
|
|
// version 2.1 of the License, or (at your option) any later version.
|
|
//
|
|
// This library 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
|
|
// Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
// License along with this library; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
//
|
|
// Authors: Laurent Bedubourg <lbedubourg@motion-twin.com>
|
|
//
|
|
|
|
require_once PHPTAL_DIR.'PHPTAL/Dom/Node.php';
|
|
|
|
/**
|
|
* Base class for all PHPTAL attributes.
|
|
*
|
|
* Attributes are first ordered by PHPTAL then called depending on their
|
|
* priority before and after the element printing.
|
|
*
|
|
* An attribute must implements start() and end().
|
|
*
|
|
* @package phptal.php
|
|
* @author Laurent Bedubourg <lbedubourg@motion-twin.com>
|
|
*/
|
|
abstract class PHPTAL_Php_Attribute
|
|
{
|
|
const ECHO_TEXT = 'text';
|
|
const ECHO_STRUCTURE = 'structure';
|
|
|
|
/** Attribute name (ie: 'tal:content'). */
|
|
public $name;
|
|
/** Attribute value specified by the element. */
|
|
public $expression;
|
|
/** Element using this attribute (xml node). */
|
|
public $tag;
|
|
|
|
/** Called before element printing. */
|
|
public abstract function start();
|
|
/** Called after element printing. */
|
|
public abstract function end();
|
|
|
|
/**
|
|
* Remove structure|text keyword from expression and stores it for later
|
|
* doEcho() usage.
|
|
*
|
|
* $expression = 'stucture my/path';
|
|
* $expression = $this->extractEchoType($expression);
|
|
*
|
|
* ...
|
|
*
|
|
* $this->doEcho($code);
|
|
*/
|
|
protected function extractEchoType($expression)
|
|
{
|
|
$echoType = self::ECHO_TEXT;
|
|
$expression = trim($expression);
|
|
if (preg_match('/^(text|structure)\s+(.*?)$/ism', $expression, $m)) {
|
|
list(, $echoType, $expression) = $m;
|
|
}
|
|
$this->_echoType = strtolower($echoType);
|
|
return trim($expression);
|
|
}
|
|
|
|
protected function doEcho($code)
|
|
{
|
|
if ($this->_echoType == self::ECHO_TEXT)
|
|
$this->tag->generator->doEcho($code);
|
|
else
|
|
$this->tag->generator->doEchoRaw($code);
|
|
}
|
|
|
|
protected function parseSetExpression($exp)
|
|
{
|
|
$exp = trim($exp);
|
|
// (dest) (value)
|
|
if (preg_match('/^([a-z0-9:\-_]+)\s+(.*?)$/i', $exp, $m)){
|
|
array_shift($m);
|
|
return $m;
|
|
}
|
|
// (dest)
|
|
return array($exp, null);
|
|
}
|
|
|
|
protected $_echoType = PHPTAL_Php_Attribute::ECHO_TEXT;
|
|
}
|
|
|
|
?>
|