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 |