| 1 | <?php |
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| 15 | class Flag |
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| 16 | { |
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| 17 | /** |
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| 18 | * Unsynchronisation flag |
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| 19 | */ |
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| 20 | const FLAG_UNSYNCHRONISATION = 0; |
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| 21 | |||
| 22 | /** |
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| 23 | * Compression flag |
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| 24 | */ |
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| 25 | const FLAG_COMPRESSION = 1; |
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| 26 | |||
| 27 | /** |
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| 28 | * Extended header flag |
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| 29 | */ |
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| 30 | const FLAG_EXTENDED_HEADER = 2; |
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| 31 | |||
| 32 | /** |
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| 33 | * Experimental indicator flag |
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| 34 | */ |
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| 35 | const FLAG_EXPERIMENTAL_INDICATOR = 3; |
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| 36 | |||
| 37 | /** |
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| 38 | * Footer present flag |
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| 39 | */ |
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| 40 | const FLAG_FOOTER_PRESENT = 4; |
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| 41 | |||
| 42 | /** |
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| 43 | * CRC data present flag |
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| 44 | */ |
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| 45 | const FLAG_CRC_DATA_PRESENT = 5; |
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| 46 | |||
| 47 | /** |
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| 48 | * Tag is an update flag |
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| 49 | */ |
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| 50 | const FLAG_TAG_IS_AN_UPDATE = 6; |
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| 51 | |||
| 52 | /** |
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| 53 | * Tag restrictions flag |
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| 54 | */ |
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| 55 | const FLAG_TAG_RESTRICTIONS = 7; |
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| 56 | |||
| 57 | /** |
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| 58 | * Valid versions |
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| 59 | * |
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| 60 | * @var int[] |
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| 61 | */ |
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| 62 | protected static $values = [ |
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| 63 | self::FLAG_UNSYNCHRONISATION, |
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| 64 | self::FLAG_COMPRESSION, |
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| 65 | self::FLAG_EXTENDED_HEADER, |
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| 66 | self::FLAG_EXPERIMENTAL_INDICATOR, |
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| 67 | self::FLAG_FOOTER_PRESENT, |
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| 68 | self::FLAG_CRC_DATA_PRESENT, |
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| 69 | self::FLAG_TAG_IS_AN_UPDATE, |
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| 70 | self::FLAG_TAG_RESTRICTIONS |
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| 71 | ]; |
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| 72 | |||
| 73 | /** |
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| 74 | * Return valid versions |
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| 75 | * |
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| 76 | * @return int[] |
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| 77 | */ |
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| 78 | public static function values() |
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| 82 | } |
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| 83 |