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use microformat to mark html from [embed] tag, convert html with oembed microformat to [embed] tag

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This commit is contained in:
Fabio Comuni 2011-01-31 16:45:58 +01:00
parent 6ea87223d3
commit 49ea05b8ff
3 changed files with 44 additions and 5 deletions
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2
include/bbcode.php
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@ -94,7 +94,7 @@ function bbcode($Text) {
$Text = preg_replace("/\[youtube\](.+?)\[\/youtube\]/", '<object width="425" height="350" type="application/x-shockwave-flash" data="http://www.youtube.com/v/$1" ><param name="movie" value="http://www.youtube.com/v/$1"></param><!--[if IE]><embed src="http://www.youtube.com/v/$1" type="application/x-shockwave-flash" width="425" height="350" /><![endif]--></object>', $Text);
// oembed tag
$Text = oembed_bbcode($Text);
$Text = oembed_bbcode2html($Text);
call_hooks('bbcode',$Text);

3
include/items.php
View file

@ -1,6 +1,7 @@
<?php
require_once('bbcode.php');
require_once('oembed.php');
function get_feed_for(&$a, $dfrn_id, $owner_nick, $last_update, $direction = 0) {
@ -395,6 +396,8 @@ function get_atom_elements($feed,$item) {
$res['body'] = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
'[youtube]$1[/youtube]', $res['body']);
$res['body'] = oembed_html2bbcode($res['body']);
$config = HTMLPurifier_Config::createDefault();
$config->set('Cache.DefinitionImpl', null);

44
include/oembed.php
View file

@ -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="<!-- oembed $embedurl -->";
$ret="<span class='oembed'>";
switch ($j->type) {
case "video": {
if (isset($j->thumbnail_url)) {
@ -32,18 +32,54 @@ function oembed_replacecb($matches){
}
$embedlink = (isset($j->title))?$j->title:$embedurl;
$ret .= "<a href='$embedurl'>$embedlink</a>";
$ret .= "<a href='$embedurl' rel='oembed'>$embedlink</a>";
if (isset($j->author_name)) $ret.=" by ".$j->author_name;
if (isset($j->provider_name)) $ret.=" on ".$j->provider_name;
$ret.="<!-- /oembed $embedurl -->";
$ret.="</span>";
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", "<!-- oembed $1 --><i>". t('Embedding disabled') ." : $1</i><!-- /oembed $1 -->" ,$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 $innerHTML;
}
/**
* Find <span class='oembed'>..<a href='url' rel='oembed'>..</a></span>
* and replace it with [embed]url[/embed]
*/
function oembed_html2bbcode($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) );
}
?>