--- fenglin/lib/str_process.inc.php	2004/06/25 08:26:49	1.2
+++ fenglin/lib/str_process.inc.php	2005/03/12 08:01:19	1.6
@@ -1,6 +1,6 @@
 <?
 
-function split_line($str,$pre="",$width=75)
+function split_line($str,$prefix="",$width=75)
 {
 	$lines = array();
 	$lines_count = 0;
@@ -11,22 +11,26 @@ function split_line($str,$pre="",$width=
 	if ($width<=0)
 		return $str;
 	
-	$line = $pre;
+	$line = $prefix;
 	$line_count = strlen($line);
 	for($i=0;$i<$len;$i++)
 	{
-		if ($line_count >= $width && $hz_ok)
-		{
-			$lines[$lines_count++] = $line;
-			$line = $pre;
-			$line_count = strlen($line);
-		}
 		$line.=$str[$i];
 		$line_count++;
 		if (ord($str[$i])>127)
+		{
 			$hz_ok = (!$hz_ok);
+		}
 		if (ord($str[$i])<=127)
+		{
 			$hz_ok = true;
+		}
+		if ($line_count >= $width && $hz_ok)
+		{
+			$lines[$lines_count++] = $line;
+			$line = $prefix;
+			$line_count = strlen($line);
+		}
 	}
 	$lines[$lines_count++] = $line;
 
@@ -38,7 +42,7 @@ function split_line($str,$pre="",$width=
 	return $result;
 }
 
-function str_process($str,$pre="",$width=75)
+function str_process($str,$prefix="",$width=75)
 {
 	$result = "";
 	
@@ -46,10 +50,26 @@ function str_process($str,$pre="",$width
 
 	foreach($lines as $line)
 	{
-		$result .= split_line($line,$pre,$width);
+		$result .= split_line($line[0],$prefix,$width);
 	}
 	
 	return $result;
 }
 
+function str_b_lines($str,$max_line=1)
+{
+	$result = "";
+	$l = 0;
+	$lines = explode("\n",str_replace("\r\n","\n",$str));
+	foreach($lines as $line)
+	{
+		$result .= ($line[0]."\r\n");
+		$l += (strlen($line[0])/256 + 1);
+		if ($l >= $max_line)
+			break;
+	}
+
+	return $result;
+}
+
 ?>