owncloud /
music
| @@ 1051-1091 (lines=41) @@ | ||
| 1048 | * |
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| 1049 | * @return string |
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| 1050 | */ |
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| 1051 | public static function iconv_fallback_utf8_utf16be($string, $bom=false) { |
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| 1052 | $newcharstring = ''; |
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| 1053 | if ($bom) { |
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| 1054 | $newcharstring .= "\xFE\xFF"; |
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| 1055 | } |
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| 1056 | $offset = 0; |
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| 1057 | $stringlength = strlen($string); |
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| 1058 | while ($offset < $stringlength) { |
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| 1059 | if ((ord($string{$offset}) | 0x07) == 0xF7) { |
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| 1060 | // 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb |
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| 1061 | $charval = ((ord($string{($offset + 0)}) & 0x07) << 18) & |
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| 1062 | ((ord($string{($offset + 1)}) & 0x3F) << 12) & |
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| 1063 | ((ord($string{($offset + 2)}) & 0x3F) << 6) & |
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| 1064 | (ord($string{($offset + 3)}) & 0x3F); |
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| 1065 | $offset += 4; |
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| 1066 | } elseif ((ord($string{$offset}) | 0x0F) == 0xEF) { |
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| 1067 | // 1110bbbb 10bbbbbb 10bbbbbb |
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| 1068 | $charval = ((ord($string{($offset + 0)}) & 0x0F) << 12) & |
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| 1069 | ((ord($string{($offset + 1)}) & 0x3F) << 6) & |
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| 1070 | (ord($string{($offset + 2)}) & 0x3F); |
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| 1071 | $offset += 3; |
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| 1072 | } elseif ((ord($string{$offset}) | 0x1F) == 0xDF) { |
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| 1073 | // 110bbbbb 10bbbbbb |
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| 1074 | $charval = ((ord($string{($offset + 0)}) & 0x1F) << 6) & |
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| 1075 | (ord($string{($offset + 1)}) & 0x3F); |
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| 1076 | $offset += 2; |
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| 1077 | } elseif ((ord($string{$offset}) | 0x7F) == 0x7F) { |
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| 1078 | // 0bbbbbbb |
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| 1079 | $charval = ord($string{$offset}); |
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| 1080 | $offset += 1; |
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| 1081 | } else { |
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| 1082 | // error? throw some kind of warning here? |
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| 1083 | $charval = false; |
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| 1084 | $offset += 1; |
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| 1085 | } |
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| 1086 | if ($charval !== false) { |
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| 1087 | $newcharstring .= (($charval < 65536) ? self::BigEndian2String($charval, 2) : "\x00".'?'); |
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| 1088 | } |
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| 1089 | } |
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| 1090 | return $newcharstring; |
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| 1091 | } |
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| 1092 | ||
| 1093 | /** |
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| 1094 | * UTF-8 => UTF-16LE |
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| @@ 1101-1141 (lines=41) @@ | ||
| 1098 | * |
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| 1099 | * @return string |
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| 1100 | */ |
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| 1101 | public static function iconv_fallback_utf8_utf16le($string, $bom=false) { |
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| 1102 | $newcharstring = ''; |
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| 1103 | if ($bom) { |
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| 1104 | $newcharstring .= "\xFF\xFE"; |
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| 1105 | } |
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| 1106 | $offset = 0; |
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| 1107 | $stringlength = strlen($string); |
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| 1108 | while ($offset < $stringlength) { |
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| 1109 | if ((ord($string{$offset}) | 0x07) == 0xF7) { |
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| 1110 | // 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb |
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| 1111 | $charval = ((ord($string{($offset + 0)}) & 0x07) << 18) & |
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| 1112 | ((ord($string{($offset + 1)}) & 0x3F) << 12) & |
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| 1113 | ((ord($string{($offset + 2)}) & 0x3F) << 6) & |
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| 1114 | (ord($string{($offset + 3)}) & 0x3F); |
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| 1115 | $offset += 4; |
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| 1116 | } elseif ((ord($string{$offset}) | 0x0F) == 0xEF) { |
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| 1117 | // 1110bbbb 10bbbbbb 10bbbbbb |
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| 1118 | $charval = ((ord($string{($offset + 0)}) & 0x0F) << 12) & |
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| 1119 | ((ord($string{($offset + 1)}) & 0x3F) << 6) & |
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| 1120 | (ord($string{($offset + 2)}) & 0x3F); |
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| 1121 | $offset += 3; |
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| 1122 | } elseif ((ord($string{$offset}) | 0x1F) == 0xDF) { |
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| 1123 | // 110bbbbb 10bbbbbb |
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| 1124 | $charval = ((ord($string{($offset + 0)}) & 0x1F) << 6) & |
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| 1125 | (ord($string{($offset + 1)}) & 0x3F); |
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| 1126 | $offset += 2; |
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| 1127 | } elseif ((ord($string{$offset}) | 0x7F) == 0x7F) { |
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| 1128 | // 0bbbbbbb |
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| 1129 | $charval = ord($string{$offset}); |
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| 1130 | $offset += 1; |
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| 1131 | } else { |
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| 1132 | // error? maybe throw some warning here? |
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| 1133 | $charval = false; |
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| 1134 | $offset += 1; |
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| 1135 | } |
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| 1136 | if ($charval !== false) { |
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| 1137 | $newcharstring .= (($charval < 65536) ? self::LittleEndian2String($charval, 2) : '?'."\x00"); |
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| 1138 | } |
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| 1139 | } |
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| 1140 | return $newcharstring; |
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| 1141 | } |
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| 1142 | ||
| 1143 | /** |
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| 1144 | * UTF-8 => UTF-16LE (BOM) |
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