DiscuzX/utility/convert/include/editor.func.php

397 lines
12 KiB
PHP
Raw Normal View History

2016-12-15 08:20:54 -05:00
<?php
/**
* [Discuz!] (C)2001-2099 Comsenz Inc.
* This is NOT a freeware, use is subject to license terms
*
* $Id: editor.func.php 10469 2010-05-11 09:12:14Z monkey $
*/
function absoluteurl($url) {
global $_G;
if($url{0} == '/') {
return 'http://'.$_SERVER['HTTP_HOST'].$url;
} else {
return $_G['siteurl'].$url;
}
}
function atag($aoptions, $text) {
$href = getoptionvalue('href', $aoptions);
if(substr($href, 0, 7) == 'mailto:') {
$tag = 'email';
$href = substr($href, 7);
} else {
$tag = 'url';
if(!preg_match("/^[a-z0-9]+:/i", $href)) {
$href = absoluteurl($href);
}
}
return "[$tag=$href]".trim(recursion('a', $text, 'atag'))."[/$tag]";
}
function divtag($divoptions, $text) {
$prepend = $append = '';
parsestyle($divoptions, $prepend, $append);
$align = getoptionvalue('align', $divoptions);
switch($align) {
case 'left':
case 'center':
case 'right':
break;
default:
$align = '';
}
if($align) {
$prepend .= "[align=$align]";
$append .= "[/align]";
}
$append .= "\n";
return $prepend.recursion('div', $text, 'divtag').$append;
}
function fetchoptionvalue($option, $text) {
if(($position = strpos($text, $option)) !== false) {
$delimiter = $position + strlen($option);
if($text{$delimiter} == '"') {
$delimchar = '"';
} elseif($text{$delimiter} == '\'') {
$delimchar = '\'';
} else {
$delimchar = ' ';
}
$delimloc = strpos($text, $delimchar, $delimiter + 1);
if($delimloc === false) {
$delimloc = strlen($text);
} elseif($delimchar == '"' OR $delimchar == '\'') {
$delimiter++;
}
return trim(substr($text, $delimiter, $delimloc - $delimiter));
} else {
return '';
}
}
function fonttag($fontoptions, $text) {
$tags = array('font' => 'face=', 'size' => 'size=', 'color' => 'color=');
$prependtags = $appendtags = '';
foreach($tags as $bbcode => $locate) {
$optionvalue = fetchoptionvalue($locate, $fontoptions);
if($optionvalue) {
$prependtags .= "[$bbcode=$optionvalue]";
$appendtags = "[/$bbcode]$appendtags";
}
}
parsestyle($fontoptions, $prependtags, $appendtags);
return $prependtags.recursion('font', $text, 'fonttag').$appendtags;
}
function getoptionvalue($option, $text) {
preg_match("/$option(\s+?)?\=(\s+?)?[\"']?(.+?)([\"']|$|>)/is", $text, $matches);
return isset($matches[3]) ? trim($matches[3]) : '';
}
function html2bbcode($text) {
$text = strip_tags($text, '<table><tr><td><b><strong><i><em><u><a><div><span><p><strike><blockquote><ol><ul><li><font><img><br><br/><h1><h2><h3><h4><h5><h6><script>');
if(ismozilla()) {
$text = preg_replace("/(?<!<br>|<br \/>|\r)(\r\n|\n|\r)/", ' ', $text);
}
$pregfind = array(
"/<script.*>.*<\/script>/siU",
'/on(mousewheel|mouseover|click|load|onload|submit|focus|blur)="[^"]*"/i',
"/(\r\n|\n|\r)/",
"/<table([^>]*(width|background|background-color|bgcolor)[^>]*)>/siUe",
"/<table.*>/siU",
"/<tr.*>/siU",
"/<td>/i",
"/<td(.+)>/siUe",
"/<\/td>/i",
"/<\/tr>/i",
"/<\/table>/i",
'/<h([0-9]+)[^>]*>(.*)<\/h\\1>/siU',
"/<img[^>]+smilieid=\"(\d+)\".*>/esiU",
"/<img([^>]*src[^>]*)>/eiU",
"/<a\s+?name=.+?\".\">(.+?)<\/a>/is",
"/<br.*>/siU",
"/<span\s+?style=\"float:\s+(left|right);\">(.+?)<\/span>/is",
"/<div class=\"quote\"><span class=\"q\">(.*?)<\/span><\/div>/is",
"/<div class=\"quote\"><blockquote>(.*?)<\/blockquote><\/div>/is",
);
$pregreplace = array(
'',
'',
'',
"tabletag('\\1')",
'[table]',
'[tr]',
'[td]',
"tdtag('\\1')",
'[/td]',
'[/tr]',
'[/table]',
"[size=\\1]\\2[/size]\n\n",
"smileycode('\\1')",
"imgtag('\\1')",
'\1',
"\n",
"[float=\\1]\\2[/float]",
"[quote]\\1[/quote]",
"[quote]\\1[/quote]",
);
$text = preg_replace($pregfind, $pregreplace, $text);
$text = recursion('b', $text, 'simpletag', 'b');
$text = recursion('strong', $text, 'simpletag', 'b');
$text = recursion('i', $text, 'simpletag', 'i');
$text = recursion('em', $text, 'simpletag', 'i');
$text = recursion('u', $text, 'simpletag', 'u');
$text = recursion('a', $text, 'atag');
$text = recursion('font', $text, 'fonttag');
$text = recursion('blockquote', $text, 'simpletag', 'indent');
$text = recursion('ol', $text, 'listtag');
$text = recursion('ul', $text, 'listtag');
$text = recursion('div', $text, 'divtag');
$text = recursion('span', $text, 'spantag');
$text = recursion('p', $text, 'ptag');
$pregfind = array("/(?<!\r|\n|^)\[(\/list|list|\*)\]/", "/<li>(.*)((?=<li>)|<\/li>)/iU", "/<p.*>/iU", "/<p><\/p>/i", "/(<a>|<\/a>|<\/li>)/is", "/<\/?(A|LI|FONT|DIV|SPAN)>/siU", "/\[url[^\]]*\]\[\/url\]/i", "/\[url=javascript:[^\]]*\](.+?)\[\/url\]/is");
$pregreplace = array("\n[\\1]", "\\1\n", "\n", '', '', '', '', "\\1");
$text = preg_replace($pregfind, $pregreplace, $text);
$strfind = array('&nbsp;', '&lt;', '&gt;', '&amp;');
$strreplace = array(' ', '<', '>', '&');
$text = str_replace($strfind, $strreplace, $text);
return htmlspecialchars(trim($text));
}
function imgtag($attributes) {
$value = array('src' => '', 'width' => '', 'height' => '');
preg_match_all("/(src|width|height)=([\"|\']?)([^\"']+)(\\2)/is", dstripslashes($attributes), $matches);
if(is_array($matches[1])) {
foreach($matches[1] as $key => $attribute) {
$value[strtolower($attribute)] = $matches[3][$key];
}
}
@extract($value);
if(!preg_match("/^http:\/\//i", $src)) {
$src = absoluteurl($src);
}
return $src ? ($width && $height ? '[img='.$width.','.$height.']'.$src.'[/img]' : '[img]'.$src.'[/img]') : '';
}
function ismozilla() {
$useragent = strtolower($_SERVER['HTTP_USER_AGENT']);
if(strpos($useragent, 'gecko') !== FALSE) {
preg_match("/gecko\/(\d+)/", $useragent, $regs);
return $regs[1];
}
return FALSE;
}
function litag($listoptions, $text) {
return '[*]'.rtrim($text);
}
function listtag($listoptions, $text, $tagname) {
$text = preg_replace('/<li>((.(?!<\/li))*)(?=<\/?ol|<\/?ul|<li|\[list|\[\/list)/siU', '<li>\\1</li>', $text);
$text = recursion('li', $text, 'litag');
if($tagname == 'ol') {
$listtype = fetchoptionvalue('type=', $listoptions) ? fetchoptionvalue('type=', $listoptions) : 1;
if(in_array($listtype, array('1', 'a', 'A'))) {
$opentag = '[list='.$listtype.']';
}
} else {
$opentag = '[list]';
}
return $text ? $opentag.recursion($tagname, $text, 'listtag').'[/list]' : FALSE;
}
function parsestyle($tagoptions, &$prependtags, &$appendtags) {
$searchlist = array(
array('tag' => 'align', 'option' => TRUE, 'regex' => 'text-align:\s*(left);?', 'match' => 1),
array('tag' => 'align', 'option' => TRUE, 'regex' => 'text-align:\s*(center);?', 'match' => 1),
array('tag' => 'align', 'option' => TRUE, 'regex' => 'text-align:\s*(right);?', 'match' => 1),
array('tag' => 'color', 'option' => TRUE, 'regex' => '(?<![a-z0-9-])color:\s*([^;]+);?', 'match' => 1),
array('tag' => 'font', 'option' => TRUE, 'regex' => 'font-family:\s*([^;]+);?', 'match' => 1),
array('tag' => 'size', 'option' => TRUE, 'regex' => 'font-size:\s*(\d+(\.\d+)?(px|pt|in|cm|mm|pc|em|ex|%|));?', 'match' => 1),
array('tag' => 'b', 'option' => FALSE, 'regex' => 'font-weight:\s*(bold);?'),
array('tag' => 'i', 'option' => FALSE, 'regex' => 'font-style:\s*(italic);?'),
array('tag' => 'u', 'option' => FALSE, 'regex' => 'text-decoration:\s*(underline);?')
);
$style = getoptionvalue('style', $tagoptions);
$style = preg_replace(
"/(?<![a-z0-9-])color:\s*rgb\((\d+),\s*(\d+),\s*(\d+)\)(;?)/ie",
'sprintf("color: #%02X%02X%02X$4", $1, $2, $3)',
$style
);
foreach($searchlist as $searchtag) {
if(preg_match('/'.$searchtag['regex'].'/i', $style, $match)) {
$opnvalue = $match["$searchtag[match]"];
$prependtags .= '['.$searchtag['tag'].($searchtag['option'] == TRUE ? '='.$opnvalue.']' : ']');
$appendtags = '[/'.$searchtag['tag']."]$appendtags";
}
}
}
function ptag($poptions, $text) {
$align = getoptionvalue('align', $poptions);
switch($align) {
case 'left':
case 'center':
case 'right':
break;
default:
$align = '';
}
$prepend = $append = '';
parsestyle($poptions, $prepend, $append);
if($align) {
$prepend .= "[align=$align]";
$append .= "[/align]";
}
$append .= "\n";
return $prepend.recursion('p', $text, 'ptag').$append;
}
function recursion($tagname, $text, $function, $extraargs = '') {
$tagname = strtolower($tagname);
$open_tag = "<$tagname";
$open_tag_len = strlen($open_tag);
$close_tag = "</$tagname>";
$close_tag_len = strlen($close_tag);
$beginsearchpos = 0;
do {
$textlower = strtolower($text);
$tagbegin = @strpos($textlower, $open_tag, $beginsearchpos);
if($tagbegin === FALSE) {
break;
}
$strlen = strlen($text);
$inquote = '';
$found = FALSE;
$tagnameend = FALSE;
for($optionend = $tagbegin; $optionend <= $strlen; $optionend++) {
$char = $text{$optionend};
if(($char == '"' || $char == "'") && $inquote == '') {
$inquote = $char;
} elseif(($char == '"' || $char == "'") && $inquote == $char) {
$inquote = '';
} elseif($char == '>' && !$inquote) {
$found = TRUE;
break;
} elseif(($char == '=' || $char == ' ') && !$tagnameend) {
$tagnameend = $optionend;
}
}
if(!$found) {
break;
}
if(!$tagnameend) {
$tagnameend = $optionend;
}
$offset = $optionend - ($tagbegin + $open_tag_len);
$tagoptions = substr($text, $tagbegin + $open_tag_len, $offset);
$acttagname = substr($textlower, $tagbegin + 1, $tagnameend - $tagbegin - 1);
if($acttagname != $tagname) {
$beginsearchpos = $optionend;
continue;
}
$tagend = strpos($textlower, $close_tag, $optionend);
if($tagend === FALSE) {
break;
}
$nestedopenpos = strpos($textlower, $open_tag, $optionend);
while($nestedopenpos !== FALSE && $tagend !== FALSE) {
if($nestedopenpos > $tagend) {
break;
}
$tagend = strpos($textlower, $close_tag, $tagend + $close_tag_len);
$nestedopenpos = strpos($textlower, $open_tag, $nestedopenpos + $open_tag_len);
}
if($tagend === FALSE) {
$beginsearchpos = $optionend;
continue;
}
$localbegin = $optionend + 1;
$localtext = $function($tagoptions, substr($text, $localbegin, $tagend - $localbegin), $tagname, $extraargs);
$text = substr_replace($text, $localtext, $tagbegin, $tagend + $close_tag_len - $tagbegin);
$beginsearchpos = $tagbegin + strlen($localtext);
} while($tagbegin !== FALSE);
return $text;
}
function simpletag($options, $text, $tagname, $parseto) {
if(trim($text) == '') {
return '';
}
$text = recursion($tagname, $text, 'simpletag', $parseto);
return "[$parseto]{$text}[/$parseto]";
}
function smileycode($smileyid) {
return $smileyid;
}
function spantag($spanoptions, $text) {
$prependtags = $appendtags = '';
parsestyle($spanoptions, $prependtags, $appendtags);
return $prependtags.recursion('span', $text, 'spantag').$appendtags;
}
function tabletag($attributes) {
$attributes = dstripslashes($attributes);
$width = '';
if(preg_match("/width=([\"|\']?)(\d{1,4}%?)(\\1)/is", $attributes, $matches)) {
$width = substr($matches[2], -1) == '%' ? (substr($matches[2], 0, -1) <= 98 ? $matches[2] : '98%') : ($matches[2] <= 560 ? $matches[2] : '560');
} elseif(preg_match("/width\s?:\s?(\d{1,4})([px|%])/is", $attributes, $matches)) {
$width = $matches[2] == '%' ? ($matches[1] <= 98 ? $matches[1] : '98%') : ($matches[1] <= 560 ? $matches[1] : '560');
}
if(preg_match("/(?:background|background-color|bgcolor)[:=]\s*([\"']?)((rgb\(\d{1,3}%?,\s*\d{1,3}%?,\s*\d{1,3}%?\))|(#[0-9a-fA-F]{3,6})|([a-zA-Z]{1,20}))(\\1)/i", $attributes, $matches)) {
$bgcolor = $matches[2];
$width = $width ? $width : '98%';
} else {
$bgcolor = '';
}
return $bgcolor ? "[table=$width,$bgcolor]" :($width ? "[table=$width]" : '[table]');
}
function tdtag($attributes) {
$value = array('colspan' => 1, 'rowspan' => 1, 'width' => '');
preg_match_all("/(colspan|rowspan|width)=([\"|\']?)(\d{1,4}%?)(\\2)/is", dstripslashes($attributes), $matches);
if(is_array($matches[1])) {
foreach($matches[1] as $key => $attribute) {
$value[strtolower($attribute)] = $matches[3][$key];
}
}
@extract($value);
return $width == '' ? ($colspan == 1 && $rowspan == 1 ? '[td]' : "[td=$colspan,$rowspan]") : "[td=$colspan,$rowspan,$width]";
}
?>