fenglin/lib/str_process.inc.php

<?

function split_line($str,$pre="",$width=75)
{
        $lines = array();
        $lines_count = 0;
        $len = strlen($str);

        $hz_ok = true;
        $en_ok = true;
        
        if ($width<=0)
                return $str;
        
        $line = $pre;
        $line_count = strlen($line);
        for($i=0;$i<$len;$i++)
        {
                $line.=$str[$i];
                $line_count++;
                if (ord($str[$i])>127)
                {
                        $hz_ok = (!$hz_ok);
                        $en_ok = true;
                }
                if (ord($str[$i])<=127)
                {
                        $hz_ok = true;
                        if ($str[$i] == " ")
                        {
                                $en_ok = true;
                        }
                        else
                        {
                                $en_ok = false;
                        }
                }
                if ($line_count >= $width && $hz_ok && $en_ok)
                {
                        $lines[$lines_count++] = $line;
                        $line = $pre;
                        $line_count = strlen($line);
                }
        }
        $lines[$lines_count++] = $line;

        $result = "";
        for($i=0;$i<$lines_count;$i++)
        {
                $result.=($lines[$i]."\r\n");
        }
        return $result;
}

function str_process($str,$pre="",$width=75)
{
        $result = "";
        
        $lines = explode("\n",str_replace("\r\n","\n",$str));

        foreach($lines as $line)
        {
                $result .= split_line($line,$pre,$width);
        }
        
        return $result;
}

?>
1	sysadm	1.1	<?
2
3	sysadm	1.2	function split_line($str,$pre="",$width=75)
4	sysadm	1.1	{
5			$lines = array();
6			$lines_count = 0;
7			$len = strlen($str);
8
9			$hz_ok = true;
10	sysadm	1.3	$en_ok = true;
11	sysadm	1.1
12			if ($width<=0)
13			return $str;
14
15			$line = $pre;
16			$line_count = strlen($line);
17			for($i=0;$i<$len;$i++)
18			{
19			$line.=$str[$i];
20			$line_count++;
21			if (ord($str[$i])>127)
22	sysadm	1.3	{
23	sysadm	1.1	$hz_ok = (!$hz_ok);
24	sysadm	1.3	$en_ok = true;
25			}
26	sysadm	1.1	if (ord($str[$i])<=127)
27	sysadm	1.3	{
28	sysadm	1.1	$hz_ok = true;
29	sysadm	1.3	if ($str[$i] == " ")
30			{
31			$en_ok = true;
32			}
33			else
34			{
35			$en_ok = false;
36			}
37			}
38			if ($line_count >= $width && $hz_ok && $en_ok)
39			{
40			$lines[$lines_count++] = $line;
41			$line = $pre;
42			$line_count = strlen($line);
43			}
44	sysadm	1.1	}
45			$lines[$lines_count++] = $line;
46
47			$result = "";
48			for($i=0;$i<$lines_count;$i++)
49			{
50			$result.=($lines[$i]."\r\n");
51			}
52			return $result;
53			}
54
55	sysadm	1.2	function str_process($str,$pre="",$width=75)
56	sysadm	1.1	{
57			$result = "";
58
59			$lines = explode("\n",str_replace("\r\n","\n",$str));
60
61			foreach($lines as $line)
62			{
63	sysadm	1.2	$result .= split_line($line,$pre,$width);
64	sysadm	1.1	}
65
66			return $result;
67			}
68
69			?>
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