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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_View
* @subpackage Helper
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
/**
* @see Zend_View_Helper_Abstract
*/
/**
* @category Zend
* @package Zend_View
* @subpackage Helper
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
abstract class Zend_View_Helper_HtmlElement extends Zend_View_Helper_Abstract
{
/**
* EOL character
*/
const EOL = "\n";
/**
* The tag closing bracket
*
* @var string
*/
protected $_closingBracket = null;
/**
* Get the tag closing bracket
*
* @return string
*/
public function getClosingBracket()
{
if (!$this->_closingBracket) {
if ($this->_isXhtml()) {
$this->_closingBracket = ' />';
} else {
$this->_closingBracket = '>';
}
}
return $this->_closingBracket;
}
/**
* Is doctype XHTML?
*
* @return boolean
*/
protected function _isXhtml()
{
$doctype = $this->view->doctype();
return $doctype->isXhtml();
}
/**
* Is doctype HTML5?
*
* @return boolean
*/
protected function _isHtml5()
{
$doctype = $this->view->doctype();
return $doctype->isHtml5();
}
/**
* Is doctype strict?
*
* @return boolean
*/
protected function _isStrictDoctype()
{
$doctype = $this->view->doctype();
return $doctype->isStrict();
}
/**
* Converts an associative array to a string of tag attributes.
*
* @access public
*
* @param array $attribs From this array, each key-value pair is
* converted to an attribute name and value.
*
* @return string The XHTML for the attributes.
*/
protected function _htmlAttribs($attribs)
{
$xhtml = '';
foreach ((array) $attribs as $key => $val) {
$key = $this->view->escape($key);
if (('on' == substr($key, 0, 2)) || ('constraints' == $key)) {
// Don't escape event attributes; _do_ substitute double quotes with singles
if (!is_scalar($val)) {
// non-scalar data should be cast to JSON first
$val = Zend_Json::encode($val);
}
// Escape single quotes inside event attribute values.
// This will create html, where the attribute value has
// single quotes around it, and escaped single quotes or
// non-escaped double quotes inside of it
$val = str_replace('\'', ''', $val);
} else {
if (is_array($val)) {
$val = implode(' ', $val);
}
$val = $this->view->escape($val);
}
if ('id' == $key) {
$val = $this->_normalizeId($val);
}
if (strpos($val, '"') !== false) {
$xhtml .= " $key='$val'";
} else {
$xhtml .= " $key=\"$val\"";
}
}
return $xhtml;
}
/**
* Normalize an ID
*
* @param string $value
* @return string
*/
protected function _normalizeId($value)
{
if (strstr($value, '[')) {
if ('[]' == substr($value, -2)) {
$value = substr($value, 0, strlen($value) - 2);
}
$value = trim($value, ']');
$value = str_replace('][', '-', $value);
$value = str_replace('[', '-', $value);
}
return $value;
}
}
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