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<? |
<?php |
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function str_length(string $str) : int |
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function split_line($str,$width=75,$pre="") |
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{ |
{ |
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$lines = array(); |
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$lines_count = 0; |
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$len = strlen($str); |
$len = strlen($str); |
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$ret = 0; |
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$hz_ok = true; |
for ($i = 0; $i < $len; $i++) |
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if ($width<=0) |
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return $str; |
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$line = $pre; |
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$line_count = strlen($line); |
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for($i=0;$i<$len;$i++) |
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| 8 |
{ |
{ |
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if ($line_count >= $width && $hz_ok) |
$c = $str[$i]; |
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| 11 |
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// Process UTF-8 Chinese characters |
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$v1 = ord($c); |
| 13 |
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if ($v1 & 0x80) //head of multi-byte character |
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{ |
{ |
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$lines[$lines_count++] = $line; |
$v2 = ($v1 & 0x70) << 1; |
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$line = $pre; |
while ($v2 & 0x80) |
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$line_count = strlen($line); |
{ |
| 18 |
} |
$i++; |
| 19 |
$line.=$str[$i]; |
$c .= $str[$i]; |
| 20 |
$line_count++; |
$v2 = ($v2 & 0x7f) << 1; |
| 21 |
if (ord($str[$i])>127) |
} |
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$hz_ok = (!$hz_ok); |
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if (ord($str[$i])<=127) |
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$hz_ok = true; |
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} |
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$lines[$lines_count++] = $line; |
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| 22 |
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| 23 |
$result = ""; |
$ret += 2; |
| 24 |
for($i=0;$i<$lines_count;$i++) |
} |
| 25 |
{ |
else |
| 26 |
$result.=($lines[$i]."\r\n"); |
{ |
| 27 |
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$ret++; |
| 28 |
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} |
| 29 |
} |
} |
| 30 |
return $result; |
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| 31 |
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return $ret; |
| 32 |
} |
} |
| 33 |
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| 34 |
function add_colon($str,$width=75) |
function split_line(string $str, string $prefix = "", int $width = 76, int $lines_limit = PHP_INT_MAX, string $end_of_line = "\n") : string |
| 35 |
{ |
{ |
| 36 |
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if ($width <= 0) |
| 37 |
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{ |
| 38 |
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return $str; |
| 39 |
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} |
| 40 |
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| 41 |
$result = ""; |
$result = ""; |
| 42 |
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$len = strlen($str); |
| 43 |
$lines = explode("\n",str_replace("\r\n","\n",$str)); |
$prefix_len = str_length($prefix); |
| 44 |
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| 45 |
foreach($lines as $line) |
$lines_count = 0; |
| 46 |
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| 47 |
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$line = $prefix; |
| 48 |
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$line_len = $prefix_len; |
| 49 |
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for ($i = 0; $i < $len && $lines_count < $lines_limit; $i++) |
| 50 |
{ |
{ |
| 51 |
$result .= split_line($line,$width,": "); |
$c = $str[$i]; |
| 52 |
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| 53 |
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// Skip special characters |
| 54 |
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if ($c == "\r" || $c == "\7") |
| 55 |
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{ |
| 56 |
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continue; |
| 57 |
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} |
| 58 |
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| 59 |
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if ($c == "\n") |
| 60 |
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{ |
| 61 |
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if ($lines_count + 1 >= $lines_limit) |
| 62 |
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{ |
| 63 |
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break; |
| 64 |
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} |
| 65 |
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| 66 |
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$result .= ($line . $end_of_line); |
| 67 |
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$lines_count++; |
| 68 |
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$line = $prefix; |
| 69 |
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$line_len = $prefix_len; |
| 70 |
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continue; |
| 71 |
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} |
| 72 |
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| 73 |
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// Process UTF-8 Chinese characters |
| 74 |
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$v1 = ord($c); |
| 75 |
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if ($v1 & 0x80) //head of multi-byte character |
| 76 |
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{ |
| 77 |
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$v2 = ($v1 & 0x70) << 1; |
| 78 |
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while ($v2 & 0x80) |
| 79 |
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{ |
| 80 |
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$i++; |
| 81 |
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$c .= $str[$i]; |
| 82 |
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$v2 = ($v2 & 0x7f) << 1; |
| 83 |
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} |
| 84 |
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| 85 |
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// Each UTF-8 CJK character should use two character length for display |
| 86 |
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if ($line_len + 2 > $width) |
| 87 |
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{ |
| 88 |
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if ($lines_count + 1 >= $lines_limit) |
| 89 |
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{ |
| 90 |
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break; |
| 91 |
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} |
| 92 |
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| 93 |
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$result .= ($line . $end_of_line); |
| 94 |
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$lines_count++; |
| 95 |
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$line = $prefix; |
| 96 |
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$line_len = $prefix_len; |
| 97 |
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} |
| 98 |
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$line_len += 2; |
| 99 |
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} |
| 100 |
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else |
| 101 |
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{ |
| 102 |
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$line_len++; |
| 103 |
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} |
| 104 |
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| 105 |
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if ($line_len > $width) |
| 106 |
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{ |
| 107 |
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if ($lines_count + 1 >= $lines_limit) |
| 108 |
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{ |
| 109 |
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break; |
| 110 |
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} |
| 111 |
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| 112 |
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$result .= ($line . $end_of_line); |
| 113 |
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$lines_count++; |
| 114 |
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$line = $prefix; |
| 115 |
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$line_len = $prefix_len + 1; |
| 116 |
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} |
| 117 |
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| 118 |
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$line .= $c; |
| 119 |
} |
} |
| 120 |
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| 121 |
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if ($lines_count < $lines_limit) |
| 122 |
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{ |
| 123 |
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$result .= $line; |
| 124 |
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} |
| 125 |
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| 126 |
return $result; |
return $result; |
| 127 |
} |
} |
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?> |
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