<?php
|
/**
|
* Klasa konwertuje wiadomość ({@link BotMsg}) do formatu specyficznego dla Gadu-Gadu
|
*/
|
class BotMsgGG implements BotMsgInterface {
|
private $parser;
|
private $html = '';
|
private $old = '';
|
private $img = '';
|
private $format = '';
|
|
private $images = array();
|
|
private $f_handl = FALSE;
|
private $f_old = '';
|
private $f_type = 0x00;
|
private $f_color = '';
|
|
const FORMAT_BOLD = 0x01;
|
const FORMAT_ITALIC = 0x02;
|
const FORMAT_UNDERLINE =0x04;
|
const FORMAT_COLOR = 0x08;
|
const FORMAT_IMAGE = 0x80;
|
|
const COLOR_RED = 0x00010000;
|
const COLOR_GREEN = 0x00000100;
|
const COLOR_BLUE = 0x00000001;
|
|
/**
|
* @param BotMsg $msg Wiadomość do przekonwertowania
|
*/
|
function __construct(BotMsg $msg) {
|
$parser = $msg->getParser();
|
unset($msg);
|
|
$this->parser = new DOMDocument('1.0', 'utf-8');
|
$this->parser->loadHTML('<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body></body></html>');
|
|
$this->rewrite( $parser->getElementsByTagName('body')->item(0), $this->parser->getElementsByTagName('body')->item(0) );
|
unset($parser);
|
|
$this->parse( $this->parser->getElementsByTagName('body')->item(0) );
|
|
$this->html = strtr(
|
(string)substr($this->parser->saveXML( $this->parser->getElementsByTagName('body')->item(0) ), 6, -7),
|
array('/>' => '>') // Tak! GG nie lubi XML!
|
);
|
}
|
|
/**
|
* Zwraca wiadomość zgodną z BotAPI Gadu-Gadu, którą można przekazać bezpośrednio do BotMastera
|
* @param bool $img Czy dołączać obrazki?
|
* @return string
|
*/
|
function getGG($image = TRUE) {
|
if($image) {
|
$image = $this->img;
|
}
|
else
|
{
|
$image = '';
|
foreach($this->images as $img) {
|
$image .= $img[2];
|
}
|
}
|
|
$format = $this->getFormat();
|
|
return pack('VVVV', strlen($this->html)+1, strlen($this->old)+1, strlen($image), strlen($format)).$this->html."\0".$this->old."\0".$image.$format;
|
}
|
|
/**
|
* Zwraca wiadomość zgodną z BotAPI Gadu-Gadu, którą można przekazać bezpośrednio do BotMastera
|
* @return string
|
*/
|
function __toString() {
|
return $this->getGG();
|
}
|
|
/**
|
* Zwraca wiadomość w formacie HTML przekonwertowaną tak, by zawierała jedynie dozwolone tagi.
|
* @return string
|
*/
|
function getHTML() {
|
return $this->html;
|
}
|
|
/**
|
* Zwraca wiadomość jako tekst
|
* @return string
|
*/
|
function getText() {
|
return $this->old;
|
}
|
|
/**
|
* Zwraca formatowanie wiadomości tekstowej zgodne z BotAPI Gadu-Gadu
|
* @see BotMsgGG::getText()
|
* @return string
|
*/
|
function getFormat() {
|
return pack('Cv', 0x02, strlen($this->format)).$this->format;
|
}
|
|
/**
|
* Wyślij wiadomość na standardowe wyjście w sposób właściwy dla BotAPI
|
*/
|
function sendPullResponse() {
|
header('Content-Type: application/x-gadu-gadu; charset=utf-8');
|
echo $this;
|
}
|
|
private function rewriteOne($node, $saveto) {
|
|
}
|
|
private function rewrite($dom, $saveto, $top = TRUE) {
|
if(!($dom instanceof DOMElement)) {
|
throw new BotMsgException('Nieznany element DOM: '.get_class($dom));
|
}
|
|
foreach($dom->childNodes as $node) {
|
if($node instanceof DOMElement) {
|
switch(strtolower($node->tagName)) {
|
case 'b':
|
case 'i':
|
case 'u':
|
case 'sup':
|
case 'sub':
|
case 'span':
|
$tag = DOMHelper::cloneNode($node, $saveto);
|
$this->rewrite($node, $tag, FALSE);
|
$saveto->appendChild($tag);
|
break;
|
|
case 'strong':
|
$tag = DOMHelper::cloneNode($node, $saveto, 'b');
|
$this->rewrite($node, $tag, FALSE);
|
$saveto->appendChild($tag);
|
break;
|
|
case 'script':
|
case 'style':
|
break;
|
|
case 'p':
|
DOMHelper::rtrim($saveto);
|
DOMHelper::insertElement('br', $saveto);
|
DOMHelper::insertElement('br', $saveto);
|
|
$tag = DOMHelper::cloneNode($node, $saveto, 'span');
|
$this->rewrite($node, $tag, FALSE);
|
$saveto->appendChild($tag);
|
|
|
DOMHelper::insertElement('br', $saveto);
|
DOMHelper::insertElement('br', $saveto);
|
break;
|
case 'a':
|
$tag = DOMHelper::cloneNode($node, $saveto, 'span');
|
|
$this->rewrite($node, $tag, FALSE);
|
if($node->getAttribute('href') != $node->textContent) {
|
$tag->appendChild($tag->ownerDocument->createTextNode(' ('.$node->getAttribute('href').')'));
|
}
|
|
$saveto->appendChild($tag);
|
break;
|
|
case 'h1':
|
DOMHelper::rtrim($saveto);
|
DOMHelper::insertElement('br', $saveto);
|
DOMHelper::insertElement('br', $saveto);
|
|
$tag = DOMHelper::cloneNode($node, $saveto, 'b');
|
$tag2 = $tag->ownerDocument->createElement('u');
|
$tag->appendChild($tag2);
|
|
$this->rewrite($node, $tag2, FALSE);
|
|
$saveto->appendChild($tag);
|
|
DOMHelper::insertElement('br', $saveto);
|
break;
|
case 'h2':
|
DOMHelper::rtrim($saveto);
|
DOMHelper::insertElement('br', $saveto);
|
DOMHelper::insertElement('br', $saveto);
|
|
$tag = DOMHelper::cloneNode($node, $saveto, 'b');
|
$this->rewrite($node, $tag, FALSE);
|
$saveto->appendChild($tag);
|
|
|
DOMHelper::insertElement('br', $saveto);
|
break;
|
case 'h3':
|
DOMHelper::rtrim($saveto);
|
DOMHelper::insertElement('br', $saveto);
|
DOMHelper::insertElement('br', $saveto);
|
|
$tag = DOMHelper::cloneNode($node, $saveto, 'b');
|
$this->rewrite($node, $tag, FALSE);
|
$saveto->appendChild($tag);
|
|
|
DOMHelper::insertElement('br', $saveto);
|
break;
|
|
case 'ul':
|
DOMHelper::rtrim($saveto);
|
DOMHelper::insertElement('br', $saveto);
|
|
$tag = DOMHelper::cloneNode($node, $saveto, 'u');
|
$this->rewrite($node, $tag, FALSE);
|
$saveto->appendChild($tag);
|
break;
|
case 'ol':
|
DOMHelper::rtrim($saveto);
|
DOMHelper::insertElement('br', $saveto);
|
|
if(!$node->hasAttribute('start') || !ctype_digit($node->getAttribute('start'))) {
|
$node->setAttribute('start', 1);
|
}
|
|
$tag = DOMHelper::cloneNode($node, $saveto, 'u');
|
$this->rewrite($node, $tag, FALSE);
|
$saveto->appendChild($tag);
|
break;
|
case 'li':
|
$tag = DOMHelper::cloneNode($node, $saveto, 'span');
|
|
if(strtolower($dom->tagName) == 'ul') {
|
$tag->appendChild($tag->ownerDocument->createTextNode('- '));
|
}
|
elseif(strtolower($dom->tagName) == 'ol') {
|
$tag->appendChild($tag->ownerDocument->createTextNode($dom->getAttribute('start').'. '));
|
|
$dom->setAttribute('start', $dom->getAttribute('start')+1);
|
}
|
|
$this->rewrite($node, $tag, FALSE);
|
$saveto->appendChild($tag);
|
|
$saveto->appendChild($saveto->ownerDocument->createElement('br'));
|
break;
|
|
case 'br':
|
case 'img':
|
$tag = DOMHelper::cloneNode($node, $saveto);
|
$saveto->appendChild($tag);
|
break;
|
|
default:
|
$tag = DOMHelper::cloneNode($node, $saveto, 'span');
|
$this->rewrite($node, $tag, FALSE);
|
$saveto->appendChild($tag);
|
break;
|
}
|
}
|
elseif($node instanceof DOMText) {
|
$val = strtr($node->nodeValue, array("\n" => '', "\r" => ''));
|
if($val) {
|
$saveto->appendChild($saveto->ownerDocument->createTextNode($val));
|
}
|
}
|
else
|
{
|
$saveto->appendChild($saveto->ownerDocument->importNode($node, TRUE));
|
}
|
}
|
|
if($top) {
|
DOMHelper::trim($saveto);
|
}
|
|
foreach($saveto->childNodes as $node) {
|
if(($node instanceof DOMElement) && $node->tagName == 'span' && $node->attributes->length == 0) {
|
while($node->hasChildNodes()) {
|
$node->parentNode->insertBefore($node->firstChild, $node);
|
}
|
$node->parentNode->removeChild($node);
|
}
|
}
|
|
foreach($saveto->childNodes as $node) {
|
if(($node instanceof DOMElement) && $node->hasAttribute('auto')) {
|
$node->removeAttribute('auto');
|
}
|
}
|
}
|
|
private function image($node) {
|
if($node->hasAttribute('src')) {
|
$src = $node->getAttribute('src');
|
$node->removeAttribute('src');
|
|
if(!is_file($src)) {
|
return;
|
}
|
|
if(isset($this->images[$src])) {
|
list($crc, $size, $name) = $this->images[$src];
|
}
|
else
|
{
|
$size = filesize($src);
|
if($size<0 || $size>262144) {
|
return;
|
}
|
|
$crc = hash_file('crc32b', $src);
|
$name = sprintf('%08s%08x', $crc, $size);
|
|
$this->images[$src] = array($crc, $size, $name);
|
}
|
|
$node->setAttribute('name', $name);
|
$this->img .= $name.file_get_contents($src);
|
|
$this->format .= pack('vC', mb_strlen($this->old), self::FORMAT_IMAGE/*|$this->f_type*/)
|
// //.$this->f_color
|
.pack('CCVV', 0x09, 0x01, $size, hexdec($crc));
|
}
|
}
|
|
private function format(&$node) {
|
$node->setAttribute('beforeFormatType', ord($this->f_type));
|
$node->setAttribute('beforeFormatColor', base64_encode($this->f_color));
|
|
if($node->hasAttribute('color')) {
|
$color = trim($node->getAttribute('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'));
|
|
$R = $G = $B = 0;
|
if(strlen($color)==4) {
|
$R = hexdec(str_repeat(substr($color, 1, 1), 2));
|
$G = hexdec(str_repeat(substr($color, 2, 1), 2));
|
$B = hexdec(str_repeat(substr($color, 3, 1), 2));
|
}
|
else
|
{
|
$R = hexdec(substr($color, 1, 2));
|
$G = hexdec(substr($color, 3, 2));
|
$B = hexdec(substr($color, 5, 2));
|
}
|
|
$this->f_color = chr($R).chr($G).chr($B);
|
$this->f_type |= self::FORMAT_COLOR;
|
}
|
$node->removeAttribute('color');
|
}
|
|
switch(strtolower($node->tagName)) {
|
case 'b':
|
$this->f_type |= self::FORMAT_BOLD;
|
break;
|
case 'i':
|
$this->f_type |= self::FORMAT_ITALIC;
|
break;
|
case 'u':
|
$this->f_type |= self::FORMAT_UNDERLINE;
|
break;
|
}
|
}
|
|
private function unformat($node) {
|
$this->f_type = chr($node->getAttribute('beforeFormatType'));
|
$node->removeAttribute('beforeFormatType');
|
|
$this->f_color = base64_decode($node->getAttribute('beforeFormatColor'));
|
$node->removeAttribute('beforeFormatColor');
|
|
return TRUE;
|
}
|
|
private function cf() {
|
$format = pack('C', $this->f_type).$this->f_color;
|
|
if($this->f_old != $format) {
|
$this->format .= pack('v', mb_strlen($this->old)).$format;
|
$this->f_old = $format;
|
}
|
}
|
|
private function parse($dom) {
|
if(!($dom instanceof DOMElement)) {
|
throw new BotMsgException('Nieznany element DOM: '.$dom);
|
}
|
|
foreach($dom->childNodes as $node) {
|
if($node instanceof DOMText || $node instanceof DOMEntity) {
|
$this->cf();
|
$this->old .= $node->nodeValue;
|
}
|
elseif($node instanceof DOMElement) {
|
if($node->tagName == 'br') {
|
$this->old .= "\r\n";
|
continue;
|
}
|
elseif($node->tagName == 'img') {
|
$this->image($node);
|
continue;
|
}
|
|
$this->format($node);
|
$this->parse($node);
|
$this->unformat($node);
|
}
|
else
|
{
|
throw new BotMsgException('Nieznany element DOM: '.$node);
|
}
|
}
|
}
|
}
|
?>
|
