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