changelog

A framework written in Java for implementing high-level and dynamic languages, compiling them into J

2007-01-17  Per Bothner  <[e-mail]>

	* NodeUtils.java (rootDocument): New static method.

	* NodeUtils.java (nodeName): New method.
	(name, localName, namespaceURI, inScopePrefixes$X): Use KNode's new
	getNodeNameObject method.

	* QNameUtils.java (localNameFromQName, prefixFromQName,
	namespaceURIFromQName, namespaceURIForPrefix):
	Fix throwing of WrongType.

2007-01-16  Per Bothner  <[e-mail]>

	* RelativeStep.java (inline): Error if 1st arg incompatible with node.

2007-01-15  Per Bothner  <[e-mail]>

	* SequenceUtils.java (deepEquals): Fix typo.

	* StringUtils.java (coerceToString): Allow any CharSequence.
	* QNameUtils.java (localNameFromQName, prefixFromQName): Change
	result types to NCName.

2007-01-14  Per Bothner  <[e-mail]>

	* SequenceUtils.java (isZeroOrOne, coerceToZeroOrOne): New methods.
	(zeroOrOne): Use coerceToZeroOrOne.
	* StringUtils.java (concat$V): Use coerceToZeroOrOne.

	* TimeUtils.java (currentDateTimeLocal): New ThreadLocal static.
	(currentDateTime, currentDate, currentTime, implicitTimezone):
	New static methods.

	* NamedCollator.java (codepointCompare): New method.
	(compare): Use it.
	* Compare.java (atomicCompare): Likewise.

2007-01-04  Per Bothner  <[e-mail]>

	* NodeUtils.java (baseUri): Change type of local 'uri' to Path.

	* StringUtils.java (encodeForUri): Move guts of method to URIPath.java.

2006-12-29  Per Bothner  <[e-mail]>

	* NodeUtils.java (resolve): Use gnu.text.Path.
	* StringUtils.java (coerceToString): Likewise.
	* BooleanValue.java (booleanValue): Likewise.
	* QNameUtils.java (resolveURI): Likewise.
	(namespaceURIFromQName): Create URIPath.

2006-12-17  Per Bothner  <[e-mail]>

	* QNameUtils.java (resolveURI): Handle UntypeAtomic.

2006-12-06  Per Bothner  <[e-mail]>

	* SequenceUtils.java: Update for renamed Consumer methods.

`2006-12-01  Per Bothner  <[e-mail]>

	* StringUtils.java (normalizeUnicode): Add working implementation,
	using java.text.Normalizer (Java 6 only).

	* Debug.java (trace): Use XMLPrinter to format output.

	* NodeUtils.java: Suppress unchecked warnings if JAVA5.

	* NodeUtils.java (collection): Replace old methods.
	(setSavedCollection, getSavedCollection): New static methods.
	(collectionResolverSymbol): New constant.
	(resolve): New method.
	(docCached, availableCached, collection): Use it.

2006-11-29  Per Bothner  <[e-mail]>

	* NodeUtils.java (docAvailable): Moved from gnu.kawa.xml.Document.
	(docCached): Moved and renamed from Document/parseCahched.
	(docCached, docAvailable): Use StringUtils.coerceToString.

2006-11-28  Per Bothner  <[e-mail]>

	* ArithOp.java (div(BigDecimal,BigDecimal)): New static method.
	(apply2): Use new div method.
	(apply2): Use BigDecimal division for Duration division.
	* TimeUtils.java (secondsBigDecimalFromDuration): New static method.
	(secondsFromDuration): Use secondsBigDecimalFromDuration.

2006-11-26  Per Bothner  <[e-mail]>

	* NodeUtils.java (collection): New skeletal methods.

2006-11-25  Per Bothner  <[e-mail]>

	* NodeUtils.java: Update StringValue -> TextUtils.
	* ArithOp.java: Likewise.
	* NumberValue.java: Likewise.
	* StringUtils.java: Likewise.
	* MinMax.java: Likewise.
	* TimeUtils.java: Likewise.
	* QNameUtils.java: Update XDataType -> TextUtils.

	* StringUtils.java (normalizeUnicode): New placeholder/dummy methods.

2006-11-24  Per Bothner  <[e-mail]>

	* StringUtils.java (stringLength): Have to loop checking for surrogates.
	(substring, substring): Likewise must check for surrogates.
	(translate): Handle surrogates in all 3 arguments.
	(stringToCodepoints$X, appendCodepoint): Handle surrogates.

2006-11-23  Per Bothner  <[e-mail]>

	* RelativeStep.java: Implement inlineable.
	(inline): Note that 2nd argument is inline-only.
	Do some optimizations/rewriting.
	(compile, getReturnType): New methods.
	(maybeSortNodes$X): Remove method.
	(extractStep): New static method.
	* RelativeStepFilter.java: Make class public.

2006-11-22  Per Bothner  <[e-mail]>

	* ValuesFilter.java: Also implement Inlineable.
	(apply): Filter procedure can take 2 or 3 arguments.
	(inline): If last() is not needed, just splice it out and return.
	Otherwise rewrite to LetExp as before - but leave some work for compile.
	(compile): New method.  Defer hard work to ValuesMap.compileInlined.
	(getReturnType): New method.

2006-11-20  Per Bothner  <[e-mail]>

	* Compare.java (inline): Partially inline in the value-comparson case.

2006-11-18  Per Bothner  <[e-mail]>

	* NodeUtils.java (baseUri): Remove throws clause.

	* StringUtils.java (tokenize$X): Add missing thow for the PreProcess
	case that we don't have java.util.regex.

2006-11-09  Per Bothner  <[e-mail]>

	* XMLFormat.java: Remove unused class.
	* Makefile.am: Update accordingly.

2006-10-31  Per Bothner  <[e-mail]>

	* DistinctValues.java (writeBoolean): New method.
	* Compare.java (inline): Set return type to boolean.
	* BooleanValue: New implements CanInline.
	(inline): Optimize constant case and when argument is already boolean.
	(<init>): Takes name - needed for PrimProcedure.getMethodFor,

2006-10-30  Per Bothner  <[e-mail]>

	* NodeUtils.java (baseUri): Use new KNode baseURI convenience method.

	* NodeUtils.java (getIDs, id$X, idScan, idref): New static methods,
	implementing fn:id and a dummy fn.idref.

2006-10-25  Per Bothner  <[e-mail]>

	* QNameUtils.java (lookupPrefix): New method based on resolvePrefix,
	but on failure return null rather than throwing exception 
	(resolvePrefix): Now just a wrapper around lookupPrefix.

	* NumberValue.java (round): Fix rounding of negative BigDecimals.

2006-10-22  Per Bothner  <[e-mail]>

	* NodeUtils.java (nilled): New method, implements fn:nilled.

	* TimeUtils.java (adjustDateTimeToTimezone): Move body of method to ...
	(adjustDateTimeToTimezoneRaw): ... new method.
	(adjustDateToTimezone, adjustTimeToTimezone): New methods.

	* NodeUtils.java (root): New method, replaces method in Nodes.
	(baseUri): New method.

2006-10-19  Per Bothner  <[e-mail]>

	* QNameUtils.java (resolveURI): New static method.

	* Reduce.java: Re-write to a 'static class'.
	Try hard to follow the specification.

	* ArithOp.java (apply3): Implement mod on float or double using
	standard Java '%' operator.  This fixes a negative-zero issue.

	* NamedCollator.java (getName): New method.

2006-10-17  Per Bothner  <[e-mail]>

	* StringUtils.java (coerceToString): New static helper method to
	correctly coerce to xs:string or xs:string?.
	(lowerCase, upperCase, substring, stringLength, substringBefore,
	substringAfter, translate, stringPad, contains, startsWith, endsWith,
	stringJoin, stringToCodepoints$X, normalizeSpace, codepointEqual):
	Use coerceToString.

	* StringUtils.java (substring): Various fixes to (hopefully this time)
	pedantically match the specification.

	* QNameUtils.java (resolveQNameUsingElement): If no prefix, check
	for a default namespace.  Convetr resturn to URI, rather than string.

2006-10-16  Per Bothner  <[e-mail]>

	* StringUtils.java (appendCodepoint): Fix thinko.

2006-10-13  Per Bothner  <[e-mail]>

	* HandleExtension.java: Remove no-longer needed file.
	* Makefile.am: Update accordingly.

2006-10-12  Per Bothner  <[e-mail]>

	* NumberValue.java (numberValue): Do atomization.
	If argument is not coercible to double, return NaN.

	* RelativeStepFilter.java: New class, extends FilterConsumer.
	* Makefile.am: Update accordingly.
	* RelativeStep.java (apply, inline): Make use of RelativeStepFilter.
	This allows a relative step to return atoms rather just nodes.

2006-10-11  Per Bothner  <[e-mail]>

	* QNameUtils.java (resolveQNameUsingElement): Collapse white space.
	Throw exception if unknown namespace for prefix.
	Internalize prefix before calling lookupNamespaceURI.

	* QNameUtils.java (validNCName): Implement using new XName.isName
	method.

	* StringUtils.java (concat$V): Add initial 2 parameters, so we can
	catch calls with too few arguments.
	Also, use StringBuilder if JAVA5.

	* MinMax.java (minMax): Add a dummy compare for singleton case,
	which is a easy way to check for an invalid value.

	* SubList.java: Use double lower and upper boand, to match 
	specification.  This fixes some corner cases.

	* NumberValue.java (abs): Calculate abs by clearing sign bit.
	This fixes handling of -0.

	* SequenceUtils.java (deepEqualItems): Fix thinko: '||' -> '&&'.

	* BooleanValue.java (booleanValue): Don't allow non-RealNum Numerics.
	Specifically disallow Duration and DateTime values.

	* TimeUtils.java (adjustDateTimeToTimezone): Check that zone offset
	is within range and an integral number of minutes.

2006-10-07  Per Bothner  <[e-mail]>

	* StringUtils.java (tokenize$X): New method.

	* QNameUtils.java (resolveQNameUsingElement): New method.

	* QNameUtils.java (resolveQName): "Inline" call to method resolve in
	NamespaceBinding because resolve is wrong for "undeclare".

	* QNameUtils.java (makeQName): Call validNCName - currently a dummy.

	* QNameUtils.java (prefixFromQName): Fix return value for no match.

	* QNameUtils.java (namespaceURIForPrefix): Handle empty sequence
	or bad types for prefix.

	* SequenceUtils.java (insertBefore$X): New method.

2006-10-06  Per Bothner  <[e-mail]>

	* NodeUtils.java (localName, namespaceURI): Add error-checking.

	* NodeUtils.java (prefixesFromNodetype): Remove duplicates from result.

	* ArithOp.java (apply2): Fix errors in handling invalid argument types.

	* StringUtils.java (substring): Fixes to match specification.
	(asDoubleRounded): Removed - no longer used.

	* TimeUtils.java (coerceToDateTime, coerceToDate, coerceToTime):
	Change to use new XTimeType.parseDateTime helper method.
	* Compare.java (atomicCompare): Likewise.

2006-10-04  Per Bothner  <[e-mail]>

	* NumberValue.java (isNaN): New static utility method.
	* DistinctValues.java (hash): Change algorithm so equal real numbers
	have the same hash value.
	(matches): Return true if both values satisfy NumberValue.isNaN.
	* Compare.java (LENIENT_COMPARISON, LENIENT_EQ): New flags.
	(equalityComparison): New helper method.
	(atomicCompare): Fix handling of UntypedAtomic and Boolean.
	More compliant handling for DateTime and Duration.  Error on
	mismatched types if not lenient and not an equality comparison.
	($Ex$Eq, valNe): Should also be true if either argument is NaN.
	* MinMax.java (minMax): Add hack for NaN.
	* IntegerRange.java (apply): Do atomization and handle UntypedAtomic.
	* SequenceUtils.java (indexOf$X): Comparison should be lenient.
	(deepEqualItems): New helper, to check for NaN.
	(deepEqual, deepEqualChildren): Use new helper method.

	* NamedCollator.java (UNICODE_CODEPOINT_COLLATION): Match XQTS.

2006-09-30  Per Bothner  <[e-mail]>

	* Compare.java (atomicCompare): Throw exception if not comparable.
	* MinMax.java: Rewrite to not use Reduce and to better match spec.
	(min, max, minMax, convert): New static methods.

	* ArithOp.java (apply2): 'idiv' result must sometimes be cast to
	integer.

	* ValuesFilter.java (matches): Fix number case to match spec.