/**
* Finish invocation.
*
* @param TexyHandlerInvocation handler invocation
* @param TexyHtml element
* @param bool is start tag?
* @param bool is empty?
* @return TexyHtml|string|FALSE
*/
public function solveTag($invocation, TexyHtml $el, $isStart, $forceEmpty = NULL)
{
$tx = $this->texy;
// tag & attibutes
$allowedTags = $tx->allowedTags;
// speed-up
if (!$allowedTags) {
return FALSE;
}
// all tags are disabled
// convert case
$name = $el->getName();
$lower = strtolower($name);
if (isset($tx->dtd[$lower]) || $name === strtoupper($name)) {
// complete UPPER convert to lower
$name = $lower;
$el->setName($name);
}
if (is_array($allowedTags)) {
if (!isset($allowedTags[$name])) {
return FALSE;
}
$allowedAttrs = $allowedTags[$name];
// allowed attrs
} else {
// allowedTags === Texy::ALL
if ($forceEmpty) {
$el->setName($name, TRUE);
}
$allowedAttrs = Texy::ALL;
// all attrs are allowed
}
// end tag? we are finished
if (!$isStart) {
return $el;
}
$elAttrs =& $el->attrs;
// process attributes
if (!$allowedAttrs) {
$elAttrs = array();
} elseif (is_array($allowedAttrs)) {
// skip disabled
$allowedAttrs = array_flip($allowedAttrs);
foreach ($elAttrs as $key => $foo) {
if (!isset($allowedAttrs[$key])) {
unset($elAttrs[$key]);
}
}
}
// apply allowedClasses
$tmp = $tx->_classes;
// speed-up
if (isset($elAttrs['class'])) {
if (is_array($tmp)) {
$elAttrs['class'] = explode(' ', $elAttrs['class']);
foreach ($elAttrs['class'] as $key => $value) {
if (!isset($tmp[$value])) {
unset($elAttrs['class'][$key]);
}
}
// id & class are case-sensitive
} elseif ($tmp !== Texy::ALL) {
$elAttrs['class'] = NULL;
}
}
// apply allowedClasses for ID
if (isset($elAttrs['id'])) {
if (is_array($tmp)) {
if (!isset($tmp['#' . $elAttrs['id']])) {
$elAttrs['id'] = NULL;
}
} elseif ($tmp !== Texy::ALL) {
$elAttrs['id'] = NULL;
}
}
// apply allowedStyles
if (isset($elAttrs['style'])) {
$tmp = $tx->_styles;
// speed-up
if (is_array($tmp)) {
$styles = explode(';', $elAttrs['style']);
$elAttrs['style'] = NULL;
foreach ($styles as $value) {
$pair = explode(':', $value, 2);
$prop = trim($pair[0]);
if (isset($pair[1]) && isset($tmp[strtolower($prop)])) {
// CSS is case-insensitive
$elAttrs['style'][$prop] = $pair[1];
}
}
} elseif ($tmp !== Texy::ALL) {
$elAttrs['style'] = NULL;
}
}
if ($name === 'img') {
if (!isset($elAttrs['src'])) {
return FALSE;
}
if (!$tx->checkURL($elAttrs['src'], Texy::FILTER_IMAGE)) {
return FALSE;
}
$tx->summary['images'][] = $elAttrs['src'];
} elseif ($name === 'a') {
if (!isset($elAttrs['href']) && !isset($elAttrs['name']) && !isset($elAttrs['id'])) {
return FALSE;
}
if (isset($elAttrs['href'])) {
if ($tx->linkModule->forceNoFollow && strpos($elAttrs['href'], '//') !== FALSE) {
if (isset($elAttrs['rel'])) {
$elAttrs['rel'] = (array) $elAttrs['rel'];
}
$elAttrs['rel'][] = 'nofollow';
}
if (!$tx->checkURL($elAttrs['href'], Texy::FILTER_ANCHOR)) {
return FALSE;
}
$tx->summary['links'][] = $elAttrs['href'];
}
} elseif (preg_match('#^h[1-6]#i', $name)) {
$tx->headingModule->TOC[] = array('el' => $el, 'level' => (int) substr($name, 1), 'type' => 'html');
}
$el->validateAttrs($tx->dtd);
return $el;
}
public function solveTag($invocation, TexyHtml $el, $isStart, $forceEmpty = NULL)
{
$tx = $this->texy;
$allowedTags = $tx->allowedTags;
if (!$allowedTags) {
return FALSE;
}
$name = $el->getName();
$lower = strtolower($name);
if (isset($tx->dtd[$lower]) || $name === strtoupper($name)) {
$name = $lower;
$el->setName($name);
}
if (is_array($allowedTags)) {
if (!isset($allowedTags[$name])) {
return FALSE;
}
$allowedAttrs = $allowedTags[$name];
} else {
if ($forceEmpty) {
$el->setName($name, TRUE);
}
$allowedAttrs = Texy::ALL;
}
if (!$isStart) {
return $el;
}
$elAttrs =& $el->attrs;
if (!$allowedAttrs) {
$elAttrs = array();
} elseif (is_array($allowedAttrs)) {
$allowedAttrs = array_flip($allowedAttrs);
foreach ($elAttrs as $key => $foo) {
if (!isset($allowedAttrs[$key])) {
unset($elAttrs[$key]);
}
}
}
$tmp = $tx->_classes;
if (isset($elAttrs['class'])) {
if (is_array($tmp)) {
$elAttrs['class'] = explode(' ', $elAttrs['class']);
foreach ($elAttrs['class'] as $key => $value) {
if (!isset($tmp[$value])) {
unset($elAttrs['class'][$key]);
}
}
} elseif ($tmp !== Texy::ALL) {
$elAttrs['class'] = NULL;
}
}
if (isset($elAttrs['id'])) {
if (is_array($tmp)) {
if (!isset($tmp['#' . $elAttrs['id']])) {
$elAttrs['id'] = NULL;
}
} elseif ($tmp !== Texy::ALL) {
$elAttrs['id'] = NULL;
}
}
if (isset($elAttrs['style'])) {
$tmp = $tx->_styles;
if (is_array($tmp)) {
$styles = explode(';', $elAttrs['style']);
$elAttrs['style'] = NULL;
foreach ($styles as $value) {
$pair = explode(':', $value, 2);
$prop = trim($pair[0]);
if (isset($pair[1]) && isset($tmp[strtolower($prop)])) {
$elAttrs['style'][$prop] = $pair[1];
}
}
} elseif ($tmp !== Texy::ALL) {
$elAttrs['style'] = NULL;
}
}
if ($name === 'img') {
if (!isset($elAttrs['src'])) {
return FALSE;
}
if (!$tx->checkURL($elAttrs['src'], Texy::FILTER_IMAGE)) {
return FALSE;
}
$tx->summary['images'][] = $elAttrs['src'];
} elseif ($name === 'a') {
if (!isset($elAttrs['href']) && !isset($elAttrs['name']) && !isset($elAttrs['id'])) {
return FALSE;
}
if (isset($elAttrs['href'])) {
if ($tx->linkModule->forceNoFollow && strpos($elAttrs['href'], '//') !== FALSE) {
if (isset($elAttrs['rel'])) {
$elAttrs['rel'] = (array) $elAttrs['rel'];
}
$elAttrs['rel'][] = 'nofollow';
}
if (!$tx->checkURL($elAttrs['href'], Texy::FILTER_ANCHOR)) {
return FALSE;
}
$tx->summary['links'][] = $elAttrs['href'];
}
} elseif (preg_match('#^h[1-6]#i', $name)) {
$tx->headingModule->TOC[] = array('el' => $el, 'level' => (int) substr($name, 1), 'type' => 'html');
}
$el->validateAttrs($tx->dtd);
return $el;
}
function el($name = NULL, $attrs = NULL)
{
$el = new TexyHtml();
$el->setName($name);
if (is_array($attrs)) {
$el->attrs = $attrs;
} elseif ($attrs !== NULL) {
$el->setText($attrs);
}
return $el;
}
