mirror of
https://github.com/friendica/friendica
synced 2024-11-14 05:02:54 +00:00
127 lines
2.9 KiB
PHP
127 lines
2.9 KiB
PHP
<?php
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/**
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* html2bbcode
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*/
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function html2bbcode($s) {
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// only keep newlines from source that are within pre tags
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$s = stripnl_exceptinpre($s);
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// Tags to Find
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$htmltags = array(
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'/\<pre\>(.*?)\<\/pre\>/is',
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'/\<p(.*?)\>/is',
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'/\<\/p\>/is',
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'/\<b\>(.*?)\<\/b\>/is',
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'/\<i\>(.*?)\<\/i\>/is',
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'/\<u\>(.*?)\<\/u\>/is',
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'/\<ul\>(.*?)\<\/ul\>/is',
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'/\<li\>(.*?)\<\/li\>/is',
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'/\<img(.*?)width: *([0-9]+)(.*?)height: *([0-9]+)(.*?)src=\"(.*?)\" (.*?)\>/is',
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'/\<img(.*?)height: *([0-9]+)(.*?)width: *([0-9]+)(.*?)src=\"(.*?)\" (.*?)\>/is',
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'/\<img(.*?)src=\"(.*?)\"(.*?)width: *([0-9]+)(.*?)height: *([0-9]+)(.*?)\>/is',
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'/\<img(.*?)src=\"(.*?)\"(.*?)height: *([0-9]+)(.*?)width: *([0-9]+)(.*?)\>/is',
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'/\<img(.*?) src=\"(.*?)\" (.*?)\>/is',
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'/\<div(.*?)\>(.*?)\<\/div\>/is',
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'/\<br(.*?)\>/is',
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'/\<strong\>(.*?)\<\/strong\>/is',
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'/\<a (.*?)href=\"(.*?)\"(.*?)\>(.*?)\<\/a\>/is',
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'/\<code\>(.*?)\<\/code\>/is',
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'/\<span style=\"color:(.*?)\"\>(.*?)\<\/span\>/is',
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'/\<span style=\"font-size:(.*?)\"\>(.*?)\<\/span\>/is',
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'/\<blockquote\>(.*?)\<\/blockquote\>/is',
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'/\<video(.*?) src=\"(.*?)\" (.*?)\>(.*?)\<\/video\>/is',
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'/\<audio(.*?) src=\"(.*?)\" (.*?)\>(.*?)\<\/audio\>/is',
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'/\<iframe(.*?) src=\"(.*?)\" (.*?)\>(.*?)\<\/iframe\>/is',
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);
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// Replace with
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$bbtags = array(
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'[code]$1[/code]',
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'',
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"\n",
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'[b]$1[/b]',
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'[i]$1[/i]',
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'[u]$1[/u]',
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'[list]$1[/list]',
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'[*]$1',
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'[img=$2x$4]$6[/img]',
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'[img=$4x$2]$6[/img]',
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'[img=$4x$6]$2[/img]',
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'[img=$6x$4]$2[/img]',
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'[img]$2[/img]',
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'$2',
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"\n",
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'[b]$1[/b]',
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'[url=$2]$4[/url]',
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'[code]$1[/code]',
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'[color="$1"]$2[/color]',
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'[size=$1]$2[/size]',
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'[quote]$1[/quote]',
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'[video]$1[/video]',
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'[audio]$1[/audio]',
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'[iframe]$1[/iframe]',
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);
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// Replace $htmltags in $text with $bbtags
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$text = preg_replace ($htmltags, $bbtags, $s);
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call_hooks('html2bbcode', $text);
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// Strip all other HTML tags
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$text = strip_tags($text);
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return $text;
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}
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function stripnl_exceptinpre($string)
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{
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// First, check for <pre> tag
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if(strpos($string, '<pre>') === false)
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{
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return str_replace("\n","", $string);
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}
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// If there is a <pre>, we have to split by line
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// and manually replace the linebreaks
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$strArr=explode("\n", $string);
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$output="";
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$preFound=false;
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// Loop over each line
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foreach($strArr as $line)
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{ // See if the line has a <pre>. If it does, set $preFound to true
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if(strpos($line, "<pre>") !== false)
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{
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$preFound=true;
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}
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elseif(strpos($line, "</pre>") !== false)
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{
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$preFound=false;
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}
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// If we are in a pre tag, add line and also add \n, else add the line without \n
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if($preFound)
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{
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$output .= $line . "\n";
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}
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else
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{
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$output .= $line ;
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}
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}
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return $output;
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}
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