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some more documentation, some improvement in convertHTMLToText and replaceEmailAdresses

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This commit is contained in:
Klaus Leithoff 2009-11-18 10:38:15 +00:00
parent dee4177242
commit d4b0e572a1
1 changed files with 55 additions and 31 deletions
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48
phpgwapi/inc/class.translation.inc.php
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@ -1001,21 +1001,27 @@ class translation
/**
* replace emailaddresses enclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
* always returns 1
* as well as those emailadresses in links, and within broken links
* @param string the text to process
* @return 1
*/
static function replaceEmailAdresses(&$text)
{
// replace emailaddresses eclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
$text = preg_replace("/(<|&lt;)(([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))(>|&gt;)/ie","'$2'", $text);
$text = preg_replace("/(<|&lt;)*(([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))(>|&gt;)*/ie","'$2 '", $text);
$text = preg_replace("/(<|&lt;a href=\")*(mailto:([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))(>|&gt;)*/ie","'$2 '", $text);
$text = preg_replace('~<a[^>]+href=\"(mailto:)+([^"]+)\"[^>]*>~si','$2 ',$text);
$text = preg_replace("/(([\w\.,-.,_.,0-9.]+)(@)([\w\.,-.,_.,0-9.]+))( |\s)*(<\/a>)*( |\s)*(>|&gt;)*/ie","'$1 '", $text);
return 1;
}
/*
/**
* strip tags out of the message completely with their content
* param $_body is the text to be processed
* param $tag is the tagname which is to be removed. Note, that only the name of the tag is to be passed to the function
* @param string $_body is the text to be processed
* @param string $tag is the tagname which is to be removed. Note, that only the name of the tag is to be passed to the function
* without the enclosing brackets
* param $endtag can be different from tag but should be used only, if begin and endtag are known to be different e.g.: <!-- -->
* @param string $endtag can be different from tag but should be used only, if begin and endtag are known to be different e.g.: <!-- -->
* @return void the modified text is passed via reference
*/
static function replaceTagsCompletley(&$_body,$tag,$endtag='')
{
@ -1036,10 +1042,18 @@ class translation
}
}
static function convertHTMLToText($_html,$displayCharset=false,$stripcrl=false)
/**
* convertHTMLToText
* @param string $_html : Text to be stripped down
* @param string $displayCharset : charset to use; should be a valid charset
* @param bool $stripcrl : flag to indicate for the removal of all crlf \r\n
* @param bool $stripalltags : flag to indicate wether or not to strip $_html from all remaining tags
* @return text $_html : the modified text.
*/
static function convertHTMLToText($_html,$displayCharset=false,$stripcrl=false,$stripalltags=true)
{
if ($displayCharset === false) $displayCharset = self::$system_charset;
#error_log($_html);
//error_log(__METHOD__.$_html);
#print '<hr>';
#print "<pre>"; print htmlspecialchars($_html);
#print "</pre>";
@ -1070,6 +1084,7 @@ class translation
chr(174),
);
$_html = preg_replace($Rules, $Replace, $_html);
// removing carriage return linefeeds
if ($stripcrl === true ) $_html = preg_replace('@(\r\n)@i',' ',$_html);
$tags = array (
@ -1101,10 +1116,15 @@ class translation
$_html = preg_replace($tags,$Replace,$_html);
$_html = preg_replace('~</t(d|h)>\s*<t(d|h)[^>]*>~si',' - ',$_html);
$_html = preg_replace('~<img[^>]+>~s','',$_html);
// replace emailaddresses eclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
self::replaceEmailAdresses($_html);
//convert hrefs to description -> URL
$_html = preg_replace('~<a[^>]+href=\"([^"]+)\"[^>]*>(.*)</a>~si','[$2 -> $1]',$_html);
//this is supposed to strip out all remaining stuff in tags, this is sometimes taking out whole sections off content
if ( $stripalltags ) {
$_html = preg_replace('~<[^>^@]+>~s','',$_html);
#$_html = strip_tags($_html);
//$_html = strip_tags($_html, '<a>');
}
// reducing spaces
$_html = preg_replace('~ +~s',' ',$_html);
// we dont reduce whitespace at the start or the end of the line, since its used for structuring the document
@ -1115,8 +1135,7 @@ class translation
$_html = html_entity_decode($_html, ENT_COMPAT, $displayCharset);
// replace emailaddresses eclosed in <> (eg.: <me@you.de>) with the emailaddress only (e.g: me@you.de)
self::replaceEmailAdresses($_html);
//self::replaceEmailAdresses($_html);
#error_log($text);
$pos = strpos($_html, 'blockquote');
#error_log("convert HTML2Text");
@ -1145,6 +1164,9 @@ class translation
foreach($quoteParts3 as $quotePart3) {
$allowedLength = 76-strlen("\r\n$indentString");
// only break lines, if not already indented
if ($quotePart3[0] != $indentString)
{
if (strlen($quotePart3) > $allowedLength) {
$s=explode(" ", $quotePart3);
$quotePart3 = "";
@ -1152,7 +1174,8 @@ class translation
foreach ($s as $k=>$v) {
$cnt = strlen($v);
// only break long words within the wordboundaries,
if($cnt > $allowedLength) {
// but it may destroy links, so we check for href and dont do it if we find it
if($cnt > $allowedLength && stripos($v,'href=')===false) {
$v=wordwrap($v, $allowedLength, "\r\n$indentString", true);
}
// the rest should be broken at the start of the new word that exceeds the limit
@ -1165,6 +1188,7 @@ class translation
if (strlen($v)) $quotePart3 .= (strlen($quotePart3) ? " " : "").$v;
}
}
}
$asciiTextBuff[] = $indentString . $quotePart3 ;
}
}