array(
'type' => 10, // self::TYPE_REPLACE | self::TAG_NORMAL
'tag' => 'strong',
'group' => 'inline',
'filter' => true,
),
'u' => array(
'type' => 10,
'tag' => 'span',
'attributes' => array(
'style' => 'text-decoration: underline;',
),
'group' => 'inline',
'filter' => true,
),
'i' => array(
'type' => 10,
'tag' => 'em',
'group' => 'inline',
'filter' => true,
),
'cite' => array(
'type' => 10,
'tag' => 'cite',
'group' => 'inline',
'filter' => true,
),
'del' => array(
'type' => 10,
'tag' => 'del',
'group' => 'inline',
'filter' => true,
),
'ins' => array(
'type' => 10,
'tag' => 'ins',
'group' => 'inline',
'filter' => true,
),
'sub' => array(
'type' => 10,
'tag' => 'sub',
'group' => 'inline',
'filter' => true,
),
'sup' => array(
'type' => 10,
'tag' => 'sup',
'group' => 'inline',
'filter' => true,
),
'span' => array(
'type' => 10,
'tag' => 'span',
'group' => 'inline',
'filter' => true,
),
'acronym' => array(
'type' => 10,
'tag' => 'acronym',
'group' => 'inline',
'filter' => true,
),
// headings
'h1' => array(
'type' => 10,
'tag' => 'h1',
'group' => 'inline',
'filter' => false,
),
'h2' => array(
'type' => 10,
'tag' => 'h2',
'group' => 'inline',
'filter' => false,
),
'h3' => array(
'type' => 10,
'tag' => 'h3',
'group' => 'inline',
'filter' => false,
),
'h4' => array(
'type' => 10,
'tag' => 'h4',
'group' => 'inline',
'filter' => false,
),
'h5' => array(
'type' => 10,
'tag' => 'h5',
'group' => 'inline',
'filter' => false,
),
'h6' => array(
'type' => 10,
'tag' => 'h6',
'group' => 'inline',
'filter' => false,
),
// callback tags
'url' => array(
'type' => 6, // self::TYPE_CALLBACK | self::TAG_NORMAL
'callback' => array('Zend_Markup_Renderer_Html', '_htmlUrl'),
'group' => 'inline',
'filter' => true,
),
'img' => array(
'type' => 6,
'callback' => array('Zend_Markup_Renderer_Html', '_htmlImg'),
'group' => 'inline_empty',
'filter' => true,
),
'code' => array(
'type' => 6,
'callback' => array('Zend_Markup_Renderer_Html', '_htmlCode'),
'group' => 'block_empty',
'filter' => false,
),
'p' => array(
'type' => 10,
'tag' => 'p',
'group' => 'block',
'filter' => true,
),
'ignore' => array(
'type' => 10,
'start' => '',
'end' => '',
'group' => 'block_empty',
'filter' => true,
),
'quote' => array(
'type' => 10,
'tag' => 'blockquote',
'group' => 'block',
'filter' => true,
),
'list' => array(
'type' => 6,
'callback' => array('Zend_Markup_Renderer_Html', '_htmlList'),
'group' => 'list',
'filter' => false,
),
'*' => array(
'type' => 10,
'tag' => 'li',
'group' => 'list-item',
'filter' => false,
),
'hr' => array(
'type' => 9, // self::TYPE_REPLACE | self::TAG_SINGLE
'tag' => 'hr',
'group' => 'block',
),
// aliases
'bold' => array(
'type' => 16,
'name' => 'b',
),
'strong' => array(
'type' => 16,
'name' => 'b',
),
'italic' => array(
'type' => 16,
'name' => 'i',
),
'em' => array(
'type' => 16,
'name' => 'i',
),
'emphasized' => array(
'type' => 16,
'name' => 'i',
),
'underline' => array(
'type' => 16,
'name' => 'u',
),
'citation' => array(
'type' => 16,
'name' => 'cite',
),
'deleted' => array(
'type' => 16,
'name' => 'del',
),
'insert' => array(
'type' => 16,
'name' => 'ins',
),
'strike' => array(
'type' => 16,
'name' => 's',
),
's' => array(
'type' => 16,
'name' => 'del',
),
'subscript' => array(
'type' => 16,
'name' => 'sub',
),
'superscript' => array(
'type' => 16,
'name' => 'sup',
),
'a' => array(
'type' => 16,
'name' => 'url',
),
'image' => array(
'type' => 16,
'name' => 'img',
),
'li' => array(
'type' => 16,
'name' => '*',
),
'color' => array(
'type' => 16,
'name' => 'span'
)
);
/**
* Element groups
*
* @var array
*/
protected $_groups = array(
'block' => array('block', 'inline', 'block_empty', 'inline_empty', 'list'),
'inline' => array('inline', 'inline_empty'),
'list' => array('list-item'),
'list-item' => array('inline', 'inline_empty', 'list'),
'block_empty' => array(),
'inline_empty' => array(),
);
/**
* The current group
*
* @var string
*/
protected $_group = 'block';
/**
* Default attributes
*
* @var array
*/
protected static $_defaultAttributes = array(
'id' => '',
'class' => '',
'style' => '',
'lang' => '',
'title' => ''
);
/**
* Execute a replace token
*
* @param Zend_Markup_Token $token
* @param array $tag
* @return string
*/
protected function _executeReplace(Zend_Markup_Token $token, $tag)
{
if (isset($tag['tag'])) {
if (!isset($tag['attributes'])) {
$tag['attributes'] = array();
}
$attrs = self::_renderAttributes($token, $tag['attributes']);
return "<{$tag['tag']}{$attrs}>{$this->_render($token)}";
}
return parent::_executeReplace($token, $tag);
}
/**
* Execute a single replace token
*
* @param Zend_Markup_Token $token
* @param array $tag
* @return string
*/
protected function _executeSingleReplace(Zend_Markup_Token $token, $tag)
{
if (isset($tag['tag'])) {
if (!isset($tag['attributes'])) {
$tag['attributes'] = array();
}
$attrs = self::_renderAttributes($token, $tag['attributes']);
return "<{$tag['tag']}{$attrs} />";
}
return parent::_executeSingleReplace($token, $tag);
}
/**
* Render some attributes
*
* @param Zend_Markup_Token $token
* @param array $tag
* @return string
*/
protected static function _renderAttributes(Zend_Markup_Token $token, array $attributes = array())
{
$attributes = array_merge(self::$_defaultAttributes, $attributes);
$return = '';
$tokenAttributes = $token->getAttributes();
// correct style attribute
if (isset($tokenAttributes['style'])) {
$tokenAttributes['style'] = trim($tokenAttributes['style']);
if ($tokenAttributes['style'][strlen($tokenAttributes['style']) - 1] != ';') {
$tokenAttributes['style'] .= ';';
}
} else {
$tokenAttributes['style'] = '';
}
// special treathment for 'align' and 'color' attribute
if (isset($tokenAttributes['align'])) {
$tokenAttributes['style'] .= 'text-align: ' . $tokenAttributes['align'] . ';';
unset($tokenAttributes['align']);
}
if (isset($tokenAttributes['color']) && self::_checkColor($tokenAttributes['color'])) {
$tokenAttributes['style'] .= 'color: ' . $tokenAttributes['color'] . ';';
unset($tokenAttributes['color']);
}
/*
* loop through all the available attributes, and check if there is
* a value defined by the token
* if there is no value defined by the token, use the default value or
* don't set the attribute
*/
foreach ($attributes as $attribute => $value) {
if (isset($tokenAttributes[$attribute]) && !empty($tokenAttributes[$attribute])) {
$return .= ' ' . $attribute . '="' . htmlentities($tokenAttributes[$attribute], ENT_QUOTES) . '"';
} elseif (!empty($value)) {
$return .= ' ' . $attribute . '="' . htmlentities($value, ENT_QUOTES) . '"';
}
}
return $return;
}
/**
* Method for the URL tag
*
* @param Zend_Markup_Token $token
* @param string $text
* @return string
*/
protected static function _htmlUrl(Zend_Markup_Token $token, $text)
{
if ($token->hasAttribute('url')) {
$url = $token->getAttribute('url');
} else {
$url = $text;
}
// check if the URL is valid
if (!Zend_Uri::check($url)) {
return $text;
}
$attributes = self::_renderAttributes($token);
return "{$text}";
}
/**
* Method for the img tag
*
* @param Zend_Markup_Token $token
* @param string $text
* @return string
*/
protected static function _htmlImg(Zend_Markup_Token $token, $text)
{
$url = $text;
// check if the URL is valid
if (!Zend_Uri::check($url)) {
return $text;
}
if ($token->hasAttribute('alt')) {
$alt = $token->getAttribute('alt');
} else {
// try to get the alternative from the URL
$alt = rtrim($text, '/');
$alt = strrchr($alt, '/');
if (false !== strpos($alt, '.')) {
$alt = substr($alt, 1, strpos($alt, '.') - 1);
}
}
return "![\"{$alt}\""](\"{$url}\")
";
}
/**
* Method for the list tag
*
* @param Zend_Markup_Token $token
* @param string $text
* @return void
*/
protected static function _htmlList(Zend_Markup_Token $token, $text)
{
$type = null;
if ($token->hasAttribute('list')) {
// because '01' == '1'
if ($token->getAttribute('list') === '01') {
$type = 'decimal-leading-zero';
} else {
switch ($token->getAttribute('list')) {
case '1':
$type = 'decimal';
break;
case 'i':
$type = 'lower-roman';
break;
case 'I':
$type = 'upper-roman';
break;
case 'a':
$type = 'lower-alpha';
break;
case 'A':
$type = 'upper-alpha';
break;
// the following type is unsupported by IE (including IE8)
case 'alpha':
$type = 'lower-greek';
break;
// the CSS names itself
case 'armenian': // unsupported by IE (including IE8)
case 'decimal':
case 'decimal-leading-zero': // unsupported by IE (including IE8)
case 'georgian': // unsupported by IE (including IE8)
case 'lower-alpha':
case 'lower-greek': // unsupported by IE (including IE8)
case 'lower-latin': // unsupported by IE (including IE8)
case 'lower-roman':
case 'upper-alpha':
case 'upper-latin': // unsupported by IE (including IE8)
case 'upper-roman':
$type = $token->getAttribute('list');
break;
}
}
}
if (null !== $type) {
return "{$text}
";
} else {
return "";
}
}
/**
* Method for the code tag
*
* @param Zend_Markup_Token $token
* @param string $text
* @return string
*/
protected static function _htmlCode(Zend_Markup_Token $token, $text)
{
return highlight_string($text, true);
}
/**
* Check if a color is a valid HTML color
*
* @param string $color
*
* @return bool
*/
protected static function _checkColor($color)
{
/*
* aqua, black, blue, fuchsia, gray, green, lime, maroon, navy, olive,
* purple, red, silver, teal, white, and yellow.
*/
$colors = array(
'aqua', 'black', 'blue', 'fuchsia', 'gray', 'green', 'lime',
'maroon', 'navy', 'olive', 'purple', 'red', 'silver', 'teal',
'white', 'yellow'
);
if (in_array($color, $colors)) {
return true;
}
if (preg_match('/\#[0-9a-f]{6}/i', $color)) {
return true;
}
return false;
}
/**
* Filter method, used for converting newlines to
tags
*
* @param string $value
* @return string
*/
protected function _filter($value)
{
if ($this->_filter) {
return nl2br(htmlentities($value, ENT_QUOTES));
}
return $value;
}
}