| author | Jan Vrany <jan.vrany@fit.cvut.cz> |
| Mon, 02 Jul 2018 08:46:01 +0200 | |
| changeset 305 | bad21c4f64bf |
| parent 296 | ea3dbc023c80 |
| permissions | -rw-r--r-- |
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Branch datatypes reintegrated
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"{ Package: 'stx:goodies/xmlsuite/xquery' }"
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"{ NameSpace: XQuery }"
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AnyAtomicTypeToAnyAtomicTypeCast subclass:#DoubleToBooleanCast |
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instanceVariableNames:'' |
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classVariableNames:'' |
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e28ef0f20186
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poolDictionaries:'' |
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category:'XQuery-TypeCasting' |
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! |
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e28ef0f20186
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!DoubleToBooleanCast methodsFor:'casting'! |
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cast |
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| value | |
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"If ST is xs:float, xs:double, xs:decimal or xs:integer and SV is 0, +0, -0, 0.0, 0.0E0 or NaN, then TV is false." |
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((atomicValue value = 0) or: [ atomicValue value isNaN]) ifTrue: |
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[ |
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value := false. |
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] |
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ifFalse: |
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[ |
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value := true. |
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]. |
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^ AtomicItem withValue: value asType: anotherType typeName. |
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"Created: / 17-11-2009 / 16:46:08 / Jan Kurs <kursj1@fel.cvut.cz>" |
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"Modified: / 17-11-2009 / 22:29:17 / Jan Kurs <kursj1@fel.cvut.cz>" |
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! ! |
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!DoubleToBooleanCast class methodsFor:'documentation'! |
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version_SVN |
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^ '$Id$' |
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e28ef0f20186
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! ! |