xquery/XQuery__XQuerySequence.st
changeset 296 ea3dbc023c80
parent 274 28ac00b069d2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xquery/XQuery__XQuerySequence.st	Tue May 12 12:20:53 2015 +0100
@@ -0,0 +1,313 @@
+"{ Package: 'stx:goodies/xmlsuite/xquery' }"
+
+"{ NameSpace: XQuery }"
+
+OrderedCollection subclass:#XQuerySequence
+	instanceVariableNames:''
+	classVariableNames:''
+	poolDictionaries:''
+	category:'XQuery-Sequence'
+!
+
+
+!XQuerySequence class methodsFor:'instance creation'!
+
+withAtomicValue:value asType:type 
+    ^self with: (AtomicItem withValue:value asType:type)
+
+    "Created: / 10-05-2009 / 21:40:33 / Jan Kurs <kursj1@fel.cvut.cz>"
+    "Modified: / 05-10-2009 / 14:30:16 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+withBoolean:aBoolean 
+    ^self with:(AtomicItem withBoolean:aBoolean)
+
+    "Created: / 21-03-2007 / 13:49:23 / janfrog"
+    "Modified: / 05-10-2009 / 14:30:23 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+withNumber:aNumber 
+    ^self with:(AtomicItem withNumber:aNumber)
+
+    "Created: / 21-03-2007 / 13:49:23 / janfrog"
+    "Modified: / 05-10-2009 / 14:30:30 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+withNumbers:aCollection 
+    "of numbers"
+    
+    ^self withAll:(aCollection collect:[:num | AtomicItem withNumber:num])
+
+    "Created: / 21-03-2007 / 14:23:43 / janfrog"
+    "Modified: / 05-10-2009 / 14:30:37 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+withString:string 
+    ^self with:(AtomicItem withString:string)
+
+    "Created: / 21-03-2007 / 15:45:37 / janfrog"
+    "Modified: / 21-03-2007 / 19:11:37 / janfrog"
+    "Modified: / 05-10-2009 / 14:30:41 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+withStrings:stringCollection 
+    ^self 
+        withAll:(stringCollection collect:[:str | AtomicItem withString:str])
+
+    "Created: / 29-08-2007 / 10:29:19 / janfrog"
+    "Modified: / 05-10-2009 / 14:30:45 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+withText:string 
+    ^self with:(NodeItem withText:string)
+
+    "Created: / 28-03-2007 / 22:49:53 / janfrog"
+    "Modified: / 05-10-2009 / 14:30:50 / Jan Kurs <kursj1@fel.cvut.cz>"
+! !
+
+!XQuerySequence methodsFor:'accessing'!
+
+dmStringValue
+
+     ^self isSingletonSequence 
+        ifTrue:[self anyOne dmStringValue]
+        ifFalse:['[...]']
+
+    "Created: / 04-05-2010 / 18:53:23 / Jan Vrany <jan.vrany@fit.cvut.cz>"
+!
+
+typeName
+
+    ^self isSingletonSequence 
+        ifTrue:[self anyOne typeName]
+        ifFalse:['sequence']
+
+    "Created: / 04-05-2010 / 18:52:37 / Jan Vrany <jan.vrany@fit.cvut.cz>"
+! !
+
+!XQuerySequence methodsFor:'converting'!
+
+asAtomizedSequence
+    ^ self collect: [ :item |
+        item atomizedValue.
+    ].
+
+    "Created: / 04-10-2009 / 19:15:29 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+asDocumentFragment
+
+    | reader builder |
+    reader := XQueryResultXMLReader new.
+    builder := XMLv2::DOM3Builder new.
+    reader setContentHandler: builder.
+    self do:[:each|reader visit: each].
+    ^builder document
+
+    "Created: / 15-07-2010 / 15:56:45 / Jan Vrany <jan.vrany@fit.cvut.cz>"
+!
+
+asInteger
+
+    self assert:self containsSingleAtomicValue .
+    ^self first value asInteger .
+
+    "Created: / 21-03-2007 / 20:24:16 / janfrog"
+    "Modified: / 05-10-2009 / 15:56:56 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+asNumber
+
+    self assert:self containsSingleAtomicValue .
+    ^self first value asNumber .
+
+    "Created: / 04-10-2009 / 18:01:06 / Jan Kurs <kursj1@fel.cvut.cz>"
+    "Modified: / 05-10-2009 / 15:56:43 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+asString
+
+    self assert:self containsSingleAtomicValue .
+    ^self first stringValue
+
+    "Created: / 05-10-2009 / 15:55:57 / Jan Kurs <kursj1@fel.cvut.cz>"
+! !
+
+!XQuerySequence methodsFor:'evaluation'!
+
+effectiveBooleanValue
+    "
+      If $arg is the empty sequence, fn:boolean returns false.
+
+      If $arg is a sequence whose first item is a node, fn:boolean returns true.
+
+      If $arg is a singleton value of type xs:boolean or a derived from xs:boolean, fn:boolean returns $arg.
+
+      If $arg is a singleton value of type xs:string or a type derived from xs:string,
+      xs:anyURI or a type derived from xs:anyURI or xs:untypedAtomic, fn:boolean returns false
+      if the operand value has zero length; otherwise it returns true.
+
+      If $arg is a singleton value of any numeric type or a type derived from a numeric type,
+      fn:boolean returns false if the operand value is NaN or is numerically equal to zero; otherwise it returns true.
+
+      In all other cases, fn:boolean raises a type error [err:FORG0006]."
+    
+    self isEmpty ifTrue:[
+        ^ false
+    ].
+    (self first isNode) ifTrue:[
+        ^ true
+    ].
+    self assert: (self size = 1).
+    (self first isSubtypeOf:'xs:boolean') 
+            ifTrue:[ ^ self first value ].
+    (self first isSubtypeOf:'xs:decimal') 
+            ifTrue:[ ^ self first ~= 0 ].
+    (self first isSubtypeOf:'xs:float') 
+            ifTrue:[ ^ self first ~= 0 ].
+    (self first isSubtypeOf:'xs:double') 
+            ifTrue:[ ^ self first ~= 0 ].
+    (self first isSubtypeOf:'xs:string' or: 'xs:untypedAtomic' or: 'xs:anyURI') 
+            ifTrue:[ ^ self first isEmpty not ].
+
+    TypeError raiseErrorString: 'err:FORG0006'.
+    ^ false
+
+    "Created: / 21-03-2007 / 14:58:03 / janfrog"
+    "Modified: / 05-12-2007 / 15:50:51 / janfrog"
+    "Modified: / 21-11-2009 / 20:09:37 / Jan Kurs <kursj1@fel.cvut.cz>"
+! !
+
+!XQuerySequence methodsFor:'queries'!
+
+containsSingleAtomicValue
+
+    ^self isSingletonSequence 
+        and:[self first isAtomicValue]
+
+    "Created: / 21-11-2007 / 10:31:23 / janfrog"
+    "Modified: / 21-11-2007 / 12:27:18 / janfrog"
+    "Modified: / 05-10-2009 / 15:58:37 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+containsSingleAttribute
+    ^ self containsSingleNode 
+        and:[ self first type isSubtypeOf: (TypeFactory getType:'attribute')]
+
+    "Created: / 21-03-2007 / 20:25:01 / janfrog"
+    "Modified: / 05-12-2007 / 15:50:51 / janfrog"
+    "Modified: / 09-05-2009 / 12:47:04 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+containsSingleDocument
+    ^ self size = 1 
+        and:[
+            (self first type isSubtypeOf: (TypeFactory getType:'document')) 
+
+        ]
+
+    "Created: / 14-11-2007 / 11:20:27 / janfrog"
+    "Modified: / 05-12-2007 / 15:52:24 / janfrog"
+    "Modified: / 09-05-2009 / 12:47:17 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+containsSingleElement
+    ^ self containsSingleNode 
+        and:[ self first type isSubtypeOf: (TypeFactory getType:'element')]
+
+    "Created: / 21-03-2007 / 20:25:01 / janfrog"
+    "Modified: / 05-12-2007 / 21:55:29 / janfrog"
+    "Modified: / 09-05-2009 / 12:47:31 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+containsSingleElementOrDocument
+
+    ^self containsSingleElement
+        or:[self containsSingleDocument].
+    "Created: / 21-03-2007 / 20:25:01 / janfrog"
+    "Modified: / 05-12-2007 / 21:55:29 / janfrog"
+!
+
+containsSingleInteger
+    ^ self size = 1 
+        and:[ TypeFactory isType: (self first dmTypeName) subtypeOf: 'xs:integer' ]
+
+    "Created: / 21-03-2007 / 20:25:01 / janfrog"
+    "Modified: / 05-12-2007 / 15:50:51 / janfrog"
+    "Modified: / 04-10-2009 / 17:17:57 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+containsSingleNode
+
+    ^(self size = 1) and:[self first isNode]
+
+    "Created: / 14-11-2007 / 10:11:45 / janfrog"
+    "Modified: / 21-11-2007 / 09:10:21 / janfrog"
+    "Modified: / 18-01-2012 / 16:47:57 / Adam Senk <senkadam@fit.cvut.cz>"
+!
+
+containsSingleNumber
+    ^ self size = 1
+        and:[ self first isAtomicValue ]
+        and:[ self first isSubtypeOf: 'xs:decimal' ]
+
+    "Created: / 21-03-2007 / 20:25:01 / janfrog"
+    "Modified: / 05-12-2007 / 15:50:51 / janfrog"
+    "Modified: / 06-11-2009 / 20:13:26 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+containsSingleString
+    ^ self size = 1 
+        and:[ self first itemValueType isSubtypeOf: (TypeFactory getType:'xs:string') ]
+
+    "Created: / 21-03-2007 / 20:25:01 / janfrog"
+    "Modified: / 05-12-2007 / 15:50:51 / janfrog"
+    "Modified: / 29-06-2009 / 16:41:08 / Jan Kurs <kursj1@fel.cvut.cz>"
+!
+
+containsSingleText
+
+    ^self containsSingleNode and:[self first item isTextNode]
+
+    "Created: / 21-11-2007 / 10:06:34 / janfrog"
+!
+
+containsSingleTextOrAtomicValue
+
+    ^self containsSingleAtomicValue or:[self containsSingleText]
+
+    "Created: / 21-11-2007 / 10:30:27 / janfrog"
+    "Modified: / 21-11-2007 / 12:27:26 / janfrog"
+!
+
+error: message
+
+    ^ XQuerySequenceError raiseErrorString: message.
+
+    "Modified: / 21-11-2007 / 12:27:18 / janfrog"
+    "Created: / 22-09-2009 / 15:14:20 / Jan Kurs <kursj1@fel.cvut.cz>"
+! !
+
+!XQuerySequence methodsFor:'testing'!
+
+isAtomicValue
+
+    ^self isSingletonSequence 
+        ifTrue:[self anyOne isAtomicValue]
+        ifFalse:['sequence']
+
+    "Created: / 04-05-2010 / 18:53:04 / Jan Vrany <jan.vrany@fit.cvut.cz>"
+!
+
+isSingletonSequence
+
+    ^self size = 1
+
+    "Created: / 21-11-2007 / 12:26:01 / janfrog"
+! !
+
+!XQuerySequence class methodsFor:'documentation'!
+
+version_SVN
+    ^ '$Id$'
+! !