public static final function webalize($s, $charlist = NULL)
{
$s = TexyUtf::utf2ascii($s);
$s = strtolower($s);
$s = preg_replace('#[^a-z0-9' . preg_quote($charlist, '#') . ']+#', '-', $s);
$s = trim($s, '-');
return $s;
}
/**
* Returns named reference.
*
* @param string reference name
* @return TexyLink reference descriptor (or FALSE)
*/
public function getReference($name)
{
$name = TexyUtf::strtolower($name);
if (isset($this->references[$name])) {
return clone $this->references[$name];
} else {
$pos = strpos($name, '?');
if ($pos === FALSE) {
$pos = strpos($name, '#');
}
if ($pos !== FALSE) {
// try to extract ?... #... part
$name2 = substr($name, 0, $pos);
if (isset($this->references[$name2])) {
$link = clone $this->references[$name2];
$link->URL .= substr($name, $pos);
return $link;
}
}
}
return FALSE;
}
/**
* Returns named reference.
*
* @param string reference name
* @return TexyImage reference descriptor (or FALSE)
*/
public function getReference($name)
{
$name = TexyUtf::strtolower($name);
if (isset($this->references[$name])) {
return clone $this->references[$name];
}
return FALSE;
}
/**
* Adds new named reference.
*
* @param string reference name
* @param TexyLink
*
* @return void
*/
public function addReference($name, TexyLink $link)
{
$link->name = TexyUtf::strtolower($name);
$this->references[$link->name] = $link;
}
/**
* Converts DOM structure to pure text.
*
* @return string
*/
public function toText()
{
if (!$this->DOM) {
throw new InvalidStateException('Call $texy->process() first.');
}
return TexyUtf::utfTo($this->DOM->toText($this), $this->encoding);
}
/**
* Adds new named reference to image.
*
* @param string reference name
* @param TexyImage
*
* @return void
*/
public function addReference($name, TexyImage $image)
{
$image->name = TexyUtf::strtolower($name);
$this->references[$image->name] = $image;
}