abc zamieniane jest na *abc*
* efg
przechodzi w = efg =
* Domyślnie włączone
* @param bool $set Ustawienie "upiększania"
*/
function beautifulText($set = FALSE) {
$this->beautiful = (bool)$set;
}
/**
* Konstruktor. De facto alias dla {@link BotMsg::append()}
*/
function __construct($str = NULL) {
if($str !== NULL) {
$this->append($str);
}
}
/**
* Serializacja klasy wymaga zapisania tylko niektórych elementów
*/
function __sleep() {
return array('beautiful', 'raw');
}
/**
* Alias dla {@link BotMsg::append()}
*/
function a($str) {
$this->append($str);
}
/**
* Dodaje kod HTML na koniec wiadomości
* @param string $str Treść do dodania
*/
function append($str) {
$this->text = $this->html = $this->parser = NULL;
$this->raw .= (string)$str;
}
/**
* Zwraca wiadomość jako czysty tekst
* @return string Wiadomość
*/
function getText() {
if($this->text === NULL) {
$this->text = trim($this->parseTextDOM($this->getParser()->getElementsByTagName('body')->item(0)));
}
return $this->text;
}
/**
* Zwraca wiadomość jako kod HTML
* @return string Wiadomość
*/
function getHTML() {
if($this->html === NULL) {
$doc = $this->getParser();
$this->parseHTMLDOM( $doc->getElementsByTagName('body')->item(0) );
$this->html = $doc->saveXML( $doc->getElementsByTagName('body')->item(0) );
}
return (string)substr($this->html, 6, -7);
}
/**
* Zwraca treść wiadomości zapisaną przy użyciu {@link BotMsg::append()} bez żadnych modyfikacji
* @return string Oryginalna wiadomość
*/
function getRaw() {
return $this->raw;
}
/**
* Zwraca wiadomość jako kod HTML
* @return string Wiadomość
*/
function __toString() {
return $this->getHTML();
}
/**
* Zwraca kopię drzewa DOM wiadomości
* @return DOMDocument Wiadomość
*/
function getParser() {
if($this->parser === NULL) {
$this->parser = new DOMDocument('1.0', 'utf-8');
try {
$this->parser->loadHTML(''.$this->raw.'');
}
catch(ErrorException $e) {
if($e->getSeverity() != E_WARNING) {
throw $e;
}
}
foreach($this->parser->getElementsByTagName('a') as $node) {
if(!$node->hasAttribute('href')) {
$node->setAttribute('href', $node->textContent);
}
}
}
return $this->parser->cloneNode(TRUE);
}
private function parseTextDOM($dom) {
if(!($dom instanceof DOMElement)) {
throw new BotMsgException('Nieznany element DOM: '.get_class($dom));
}
$return = '';
foreach($dom->childNodes as $node) {
if($node instanceof DOMText || $node instanceof DOMEntity) {
$return .= strtr($node->nodeValue, array("\n" => '', "\r" => ''));
}
elseif($node instanceof DOMElement) {
switch(strtolower($node->tagName)) {
case 'b':
case 'strong':
$return .= ($this->beautiful ? '*' : '').$this->parseTextDOM($node).($this->beautiful ? '*' : '');
break;
case 'u':
$return .= ($this->beautiful ? '_' : '').$this->parseTextDOM($node).($this->beautiful ? '_' : '');
break;
case 'i':
$return .= ($this->beautiful ? '/' : '').$this->parseTextDOM($node).($this->beautiful ? '/' : '');
break;
case 'br':
$return .= "\n";
break;
case 'p':
if(substr($return, -1) != "\n") {
$return .= "\n\n";
}
$return .= $this->parseTextDOM($node)."\n\n";
break;
case 'h1':
if(substr($return, -1) != "\n") {
$return .= "\n\n";
}
$return .= ($this->beautiful ? '= ' : '').$this->parseTextDOM($node).($this->beautiful ? ' =' : '')."\n";
break;
case 'h2':
if(substr($return, -1) != "\n") {
$return .= "\n\n";
}
$return .= ($this->beautiful ? '== ' : '').$this->parseTextDOM($node).($this->beautiful ? ' ==' : '')."\n";
break;
case 'h3':
if(substr($return, -1) != "\n") {
$return .= "\n\n";
}
$return .= ($this->beautiful ? '=== ' : '').$this->parseTextDOM($node).($this->beautiful ? ' ===' : '')."\n";
break;
case 'td':
$return .= $this->parseTextDOM($node)."\t";
break;
case 'th':
$return .= ($this->beautiful ? '*' : '').$this->parseTextDOM($node).($this->beautiful ? '*' : '')."\t";
break;
case 'tr':
$return .= $this->parseTextDOM($node)."\n";
break;
case 'a':
$return .= $this->parseTextDOM($node);
if($node->getAttribute('href') != $node->textContent) {
$return .= ' ('.$node->getAttribute('href').')';
}
break;
case 'script':
case 'style':
case 'img':
break;
default:
$return .= $this->parseTextDOM($node);
break;
}
}
else
{
throw new BotMsgException('Nieznany element DOM: '.get_class($node));
}
}
return $return;
}
private function parseHTMLDOM($dom) {
if(!($dom instanceof DOMNode)) {
throw new BotMsgException('Nieznany element DOM: '.get_class($dom));
}
foreach($dom->childNodes as $node) {
if($node instanceof DOMElement) {
if($node->hasAttribute('color')) {
$color = trim($node->getAttribute('color'));
$node->removeAttribute('color');
if(substr($color, 0, 1)=='#' AND (strlen($color)==4 OR strlen($color)==7) AND ctype_xdigit(substr($color, 1))) {
$node->setAttribute('style', 'color:'.$color.';'.$node->getAttribute('style'));
}
}
$this->parseHTMLDOM($node);
}
}
}
}
?>