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<?php
/*
File: read_enriched.inc
Author: Ryo Chijiiwa
License: GPL (part of IlohaMail)
Purpose: functions for handling text/enriched messages
Reference: RFC 1523, 1896
*/
function enriched_convert_newlines($str){
//remove single newlines, convert N newlines to N-1
$str = str_replace("\r\n","\n",$str);
$len = strlen($str);
$nl = 0;
$out = '';
for($i=0;$i<$len;$i++){
$c = $str[$i];
if (ord($c)==10) $nl++;
if ($nl && ord($c)!=10) $nl = 0;
if ($nl!=1) $out.=$c;
else $out.=' ';
}
return $out;
}
function enriched_convert_formatting($body){
$a=array('<bold>'=>'<b>','</bold>'=>'</b>','<italic>'=>'<i>',
'</italic>'=>'</i>','<fixed>'=>'<tt>','</fixed>'=>'</tt>',
'<smaller>'=>'<font size=-1>','</smaller>'=>'</font>',
'<bigger>'=>'<font size=+1>','</bigger>'=>'</font>',
'<underline>'=>'<span style="text-decoration: underline">',
'</underline>'=>'</span>',
'<flushleft>'=>'<span style="text-align:left">',
'</flushleft>'=>'</span>',
'<flushright>'=>'<span style="text-align:right">',
'</flushright>'=>'</span>',
'<flushboth>'=>'<span style="text-align:justified">',
'</flushboth>'=>'</span>',
'<indent>'=>'<span style="padding-left: 20px">',
'</indent>'=>'</span>',
'<indentright>'=>'<span style="padding-right: 20px">',
'</indentright>'=>'</span>');
while(list($find,$replace)=each($a)){
$body = preg_replace('#'.$find.'#i', $replace, $body);
}
return $body;
}
function enriched_font($body){
$pattern = '/(.*)\<fontfamily\>\<param\>(.*)\<\/param\>(.*)\<\/fontfamily\>(.*)/ims';
while(preg_match($pattern,$body,$a)){
//print_r($a);
if (count($a)!=5) continue;
$body=$a[1].'<span style="font-family: '.$a[2].'">'.$a[3].'</span>'.$a[4];
}
return $body;
}
function enriched_color($body){
$pattern = '/(.*)\<color\>\<param\>(.*)\<\/param\>(.*)\<\/color\>(.*)/ims';
while(preg_match($pattern,$body,$a)){
//print_r($a);
if (count($a)!=5) continue;
//extract color (either by name, or ####,####,####)
if (strpos($a[2],',')){
$rgb = explode(',',$a[2]);
$color ='#';
for($i=0;$i<3;$i++) $color.=substr($rgb[$i],0,2); //just take first 2 bytes
}else{
$color = $a[2];
}
//put it all together
$body = $a[1].'<span style="color: '.$color.'">'.$a[3].'</span>'.$a[4];
}
return $body;
}
function enriched_excerpt($body){
$pattern = '/(.*)\<excerpt\>(.*)\<\/excerpt\>(.*)/i';
while(preg_match($pattern,$body,$a)){
//print_r($a);
if (count($a)!=4) continue;
$quoted = '';
$lines = explode('<br>',$a[2]);
foreach($lines as $n=>$line) $quoted.='&gt;'.$line.'<br>';
$body=$a[1].'<span class="quotes">'.$quoted.'</span>'.$a[3];
}
return $body;
}
function enriched_to_html($body){
$body = str_replace('<<','&lt;',$body);
$body = enriched_convert_newlines($body);
$body = str_replace("\n", '<br>', $body);
$body = enriched_convert_formatting($body);
$body = enriched_color($body);
$body = enriched_font($body);
$body = enriched_excerpt($body);
//$body = nl2br($body);
return $body;
}
?>
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