From 49ea05b8ff27c31924ddf94c582ab4260faf56c2 Mon Sep 17 00:00:00 2001 From: Fabio Comuni Date: Mon, 31 Jan 2011 16:45:58 +0100 Subject: [PATCH] use microformat to mark html from [embed] tag, convert html with oembed microformat to [embed] tag --- include/bbcode.php | 2 +- include/items.php | 3 +++ include/oembed.php | 44 ++++++++++++++++++++++++++++++++++++++++---- 3 files changed, 44 insertions(+), 5 deletions(-) diff --git a/include/bbcode.php b/include/bbcode.php index c17e5dded3..eb0806dc52 100644 --- a/include/bbcode.php +++ b/include/bbcode.php @@ -94,7 +94,7 @@ function bbcode($Text) { $Text = preg_replace("/\[youtube\](.+?)\[\/youtube\]/", '', $Text); // oembed tag - $Text = oembed_bbcode($Text); + $Text = oembed_bbcode2html($Text); call_hooks('bbcode',$Text); diff --git a/include/items.php b/include/items.php index a5991d663b..f204745bb4 100644 --- a/include/items.php +++ b/include/items.php @@ -1,6 +1,7 @@ ]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?#s', '[youtube]$1[/youtube]', $res['body']); + $res['body'] = oembed_html2bbcode($res['body']); + $config = HTMLPurifier_Config::createDefault(); $config->set('Cache.DefinitionImpl', null); diff --git a/include/oembed.php b/include/oembed.php index cec9cf75af..f9441b3709 100644 --- a/include/oembed.php +++ b/include/oembed.php @@ -4,7 +4,7 @@ function oembed_replacecb($matches){ $ourl = "http://oohembed.com/oohembed/?url=".urlencode($embedurl); $txt = fetch_url($ourl); $j = json_decode($txt); - $ret=""; + $ret=""; switch ($j->type) { case "video": { if (isset($j->thumbnail_url)) { @@ -32,18 +32,54 @@ function oembed_replacecb($matches){ } $embedlink = (isset($j->title))?$j->title:$embedurl; - $ret .= "$embedlink"; + $ret .= "$embedlink"; if (isset($j->author_name)) $ret.=" by ".$j->author_name; if (isset($j->provider_name)) $ret.=" on ".$j->provider_name; - $ret.=""; + $ret.=""; return $ret; } -function oembed_bbcode($text){ +function oembed_bbcode2html($text){ $stopoembed = get_config("system","no_oembed"); if ($stopoembed == true){ return preg_replace("/\[embed\](.+?)\[\/embed\]/is", "". t('Embedding disabled') ." : $1" ,$text); } return preg_replace_callback("/\[embed\](.+?)\[\/embed\]/is", oembed_replacecb ,$text); } + + +function oe_build_xpath($attr, $value){ + // http://westhoffswelt.de/blog/0036_xpath_to_select_html_by_class.html + return "contains( normalize-space( @$attr ), ' $value ' ) or substring( normalize-space( @$attr ), 1, string-length( '$value' ) + 1 ) = '$value ' or substring( normalize-space( @$attr ), string-length( @$attr ) - string-length( '$value' ) ) = ' $value' or @$attr = '$value'"; +} + +function oe_get_inner_html( $node ) { + $innerHTML= ''; + $children = $node->childNodes; + foreach ($children as $child) { + $innerHTML .= $child->ownerDocument->saveXML( $child ); + } + return $innerHTML; +} + +/** + * Find .... + * and replace it with [embed]url[/embed] + */ +function oembed_html2bbcode($text) { + $dom = DOMDocument::loadHTML($text); + $xpath = new DOMXPath($dom); + $attr = "oembed"; + + $xattr = oe_build_xpath("class","oembed"); + $entries = $xpath->query("//span[$xattr]"); + + $xattr = oe_build_xpath("rel","oembed"); + foreach($entries as $e) { + $href = $xpath->evaluate("a[$xattr]/@href", $e)->item(0)->nodeValue; + if(!is_null($href)) $e->parentNode->replaceChild(new DOMText("[embed]".$href."[embed]"), $e); + } + return oe_get_inner_html( $dom->getElementsByTagName("body")->item(0) ); +} + ?> \ No newline at end of file