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1 files changed, 114 insertions, 0 deletions

diff --git a/program/lib/enriched.inc b/program/lib/enriched.inc
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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)){
+		$body = eregi_replace($find,$replace,$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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