| 1 | UserInfoFormat-dateTime
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| 2 | {Z39-50-userInfoFormat dateTime (6)} DEFINITIONS ::=
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| 3 | BEGIN
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| 4 | IMPORTS IntUnit FROM Z39-50-APDU-1995;
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| 5 |
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| 6 | DateTime ::= SEQUENCE{
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| 7 | date [1] Z3950Date OPTIONAL,
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| 8 | time [2] Z3950Time OPTIONAL
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| 9 | -- one or the other, or both
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| 10 | }
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| 11 |
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| 12 | Z3950Date ::= SEQUENCE{
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| 13 | year [1] IMPLICIT INTEGER,
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| 14 | -- For "positive" years, i.e. 1 AD or later, supply
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| 15 | -- the absolute year, e.g. If the year is 1995, supply
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| 16 | -- the integer 1995; the value 95 would indicate the
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| 17 | -- year 0095.
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| 18 | -- For "negative" years, e.g. 1 BC or earlier, -1
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| 19 | -- represents 1 BC, -2 represents 2 BC, etc. Zero is
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| 20 | -- invalid, because there was no year zero.
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| 21 | partOfYear [2] CHOICE{ -- may be omitted if only year is significant
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| 22 | monthAndDay [1] IMPLICIT SEQUENCE{
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| 23 | month [2] IMPLICIT INTEGER,
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| 24 | -- value 1-12
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| 25 | day [3] IMPLICIT INTEGER OPTIONAL
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| 26 | -- may be omitted if only year and month
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| 27 | -- are significant. Value 1-31.
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| 28 | },
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| 29 | julianDay [2] IMPLICIT INTEGER, -- Value 1 - 366.
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| 30 | weekNumber [3] IMPLICIT INTEGER, -- Value 1 - 53.
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| 31 | quarter [4] CHOICE{
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| 32 | first [1] IMPLICIT NULL,
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| 33 | second [2] IMPLICIT NULL,
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| 34 | third [3] IMPLICIT NULL,
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| 35 | fourth [4] IMPLICIT NULL},
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| 36 | season [5] CHOICE{
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| 37 | winter [1] IMPLICIT NULL,
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| 38 | spring [2] IMPLICIT NULL,
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| 39 | summer [3] IMPLICIT NULL,
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| 40 | autumn [4] IMPLICIT NULL}
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| 41 | } OPTIONAL,
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| 42 | flags [3] IMPLICIT SEQUENCE{
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| 43 | circa [1] IMPLICIT NULL OPTIONAL,
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| 44 | -- if this flag is set then the date is "approximate".
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| 45 | era [2] IMPLICIT CHOICE{
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| 46 | -- If era occurs, partOfYear should not occur.
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| 47 | decade [1] IMPLICIT NULL,
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| 48 | -- year must be multiple of 10.
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| 49 | -- For example, 1900 refers to
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| 50 | -- the decade covering the years
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| 51 | -- 1900 through 1909.
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| 52 | century [2] IMPLICIT NULL,
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| 53 | -- year must be multiple of 100.
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| 54 | millennium [3] IMPLICIT NULL
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| 55 | -- year must be multiple of 1000.
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| 56 | } OPTIONAL
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| 57 | } OPTIONAL
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| 58 | }
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| 59 |
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| 60 |
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| 61 | Z3950Time ::= SEQUENCE{
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| 62 | hour [1] IMPLICIT INTEGER,
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| 63 | -- Value 0-23.
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| 64 | minute [2] IMPLICIT INTEGER OPTIONAL,
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| 65 | -- value 0-59. May be omitted when hour only is
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| 66 | -- significant (in which case second and
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| 67 | -- partOfSecond must also be omitted).
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| 68 | second [3] IMPLICIT INTEGER OPTIONAL,
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| 69 | -- value 0-59. May be omitted when only hour, or
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| 70 | -- hour and minute, is significant (in which case
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| 71 | -- partOfSecond must also be omitted).
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| 72 | partOfSecond [4] IMPLICIT IntUnit OPTIONAL,
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| 73 | -- Use Unit System = 'si', Unit type = 'time';
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| 74 | -- Unit = 'second', with appropriate value and
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| 75 | -- scale factor.
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| 76 | zone [5] CHOICE{
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| 77 | local [1] IMPLICIT NULL,
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| 78 | utc [2] IMPLICIT NULL,
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| 79 |
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| 80 | utcOffset [3] IMPLICIT INTEGER -- in minutes
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| 81 | }}
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| 82 | END
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