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b102503d29
PureXML/Sources/Schema
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Mihaela Mihaljevic b80e31d562 feat(schema): a restriction may not relax a required base attribute (cos-ct-derived-ok) 
In a complexContent restriction, an attribute the restriction redeclares that the
base type marks use="required" may not be made optional or prohibited. Only
attributes explicitly redeclared that also exist in the base are checked; an
omitted attribute is inherited unchanged. The base reference must resolve to the
schema's own target namespace, and the check stands down for a schema that
composes other documents.

The matching fixed-value clause is deliberately not enforced: it requires
comparing the two fixed values in the attribute type's value space, not lexically
(a list-typed fixed value differing only in whitespace is the same value), so a
string comparison wrongly rejects valid schemas. That clause is left for a later
change (a disclosed under-rejection).

XSTS: invalid schemas accepted 394 to 390, no other bucket raised.
2026-06-15 16:09:02 +02:00
..
BuiltinType.swift feat(schema): built-in xsi:type resolution gated by substitution validity 2026-06-13 21:21:35 +02:00
ComplexType.swift feat(schema): full NameAndTypeOK type derivation in element restriction 2026-06-14 13:47:18 +02:00
ComplexValidator.swift feat(schema): full NameAndTypeOK type derivation in element restriction 2026-06-14 13:47:18 +02:00
ComplexValidatorDerivation.swift fix(schema): enforce element-level block against xsi:type substitution 2026-06-13 18:04:25 +02:00
ComplexValidatorHelpers.swift feat(schema): full NameAndTypeOK type derivation in element restriction 2026-06-14 13:47:18 +02:00
ComplexValidatorIDs.swift fix(schema): enforce document-scoped xs:ID uniqueness and xs:IDREF resolution 2026-06-13 19:17:34 +02:00
ComplexValidatorStreaming.swift fix(xsd): error on unknown xsi:type; cycle-detect type references 2026-06-10 03:10:00 +02:00
ComplexValidatorXSIType.swift feat(schema): built-in xsi:type resolution gated by substitution validity 2026-06-13 21:21:35 +02:00
ContentMatcher.swift feat(schema): full NameAndTypeOK type derivation in element restriction 2026-06-14 13:47:18 +02:00
ContentModelDeterminism.swift feat(schema): enforce Unique Particle Attribution (cos-nonambig) 2026-06-14 09:35:33 +02:00
DateTimeParser.swift feat(schema): validate value-bound facet definitions; accept gMonth --MM-- 2026-06-13 22:10:57 +02:00
DateTimeValue.swift
DecimalValue.swift
DerivationMethod.swift
DurationValue.swift style(schema): drop vestigial day clamp in DurationValue.instant 2026-06-13 18:04:25 +02:00
IdentityConstraint.swift
IdentityValidator.swift feat(schema): built-in xsi:type resolution gated by substitution validity 2026-06-13 21:21:35 +02:00
IDTracker.swift fix(schema): enforce document-scoped xs:ID uniqueness and xs:IDREF resolution 2026-06-13 19:17:34 +02:00
Lexical.swift
ParticleNormalization.swift fix(schema): normalize content model, scope occurrence subsumption in particle restriction 2026-06-14 17:18:38 +02:00
ParticleRestriction.swift feat(schema): reject an all group extending a base with content (cos-all-limited.1.2) 2026-06-15 15:31:01 +02:00
Primitive.swift
RelaxNGCompactHelpers.swift
RelaxNGCompactLexer.swift
RelaxNGCompactParser.swift
RelaxNGContentType.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGDerivative.swift feat(relaxng): QName values with dual-context resolution, instance level clean 2026-06-10 10:57:14 +02:00
RelaxNGDiagnostics.swift
RelaxNGFacets.swift
RelaxNGGrammarCheck.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGGrammarCheckSections.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGNameClasses.swift feat(relaxng): ns inheritance, QNames, include-start, combine, data-except 2026-06-10 10:24:46 +02:00
RelaxNGNode.swift feat(relaxng): grammar scoping, parentRef, include overrides, div flattening 2026-06-10 10:34:44 +02:00
RelaxNGParser.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGParserIncludes.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGPattern.swift feat(relaxng): QName values with dual-context resolution, instance level clean 2026-06-10 10:57:14 +02:00
RelaxNGRestrictionChecker.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGRestrictionOverlap.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGRestrictionPaths.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGRestrictions.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGSchema.swift
SchemaAllGroupPlacement.swift fix(schema): reject an all-group referenced inside a compositor (cos-all-limited) 2026-06-15 12:38:30 +02:00
SchemaAttributeApplicability.swift feat(schema): top-level element may not have ref/form/minOccurs/maxOccurs (topLevelElement) 2026-06-15 14:39:54 +02:00
SchemaAttributeRestriction.swift feat(schema): a restriction may not relax a required base attribute (cos-ct-derived-ok) 2026-06-15 16:09:02 +02:00
SchemaAttributeUniqueness.swift fix(schema): enforce attribute-use uniqueness and the single-ID rule 2026-06-15 10:29:40 +02:00
SchemaContentOrder.swift feat(schema): a simpleType must have exactly one of restriction/list/union 2026-06-14 14:30:25 +02:00
SchemaDerivationControl.swift feat(schema): validate final/block derivation-control value space 2026-06-14 14:19:10 +02:00
SchemaDocument.swift feat(schema): validate constraining-facet definitions at compile time 2026-06-13 21:50:51 +02:00
SchemaExtensionAllGroup.swift feat(schema): reject an all group extending a base with content (cos-all-limited.1.2) 2026-06-15 15:31:01 +02:00
SchemaFacetApplicability.swift feat(schema): validate value constraints against user types; fix inline restriction base 2026-06-15 14:06:26 +02:00
SchemaIDAttribute.swift feat(schema): a restriction may not relax a required base attribute (cos-ct-derived-ok) 2026-06-15 16:09:02 +02:00
SchemaIdentityXPath.swift feat(schema): validate identity-constraint selector/field XPath subset 2026-06-14 10:30:06 +02:00
SchemaIDValueConstraint.swift fix(schema): an ID-derived attribute or element may not have a value constraint 2026-06-15 11:41:26 +02:00
SchemaNameUniqueness.swift feat(schema): resolve keyref refer to a declared key or unique 2026-06-14 08:04:34 +02:00
SchemaNestedDefinition.swift feat(schema): a nested simpleType or attributeGroup may not be named (localSimpleType) 2026-06-15 15:41:48 +02:00
SchemaReferences.swift feat(schema): resolve keyref refer to a declared key or unique 2026-06-14 08:04:34 +02:00
SchemaSimpleTypeFinal.swift feat(schema): enforce simpleType final for list and union derivation (st-props-correct) 2026-06-15 15:12:11 +02:00
SchemaStructure.swift feat(schema): a nested simpleType or attributeGroup may not be named (localSimpleType) 2026-06-15 15:41:48 +02:00
SchemaSubstitutionType.swift feat(schema): substitution member type must derive from head (e-props-correct.4) 2026-06-15 13:08:38 +02:00
SchemaWildcardNamespace.swift feat(schema): validate wildcard namespace constraint value space 2026-06-14 11:00:45 +02:00
SimpleType.swift feat(schema): built-in xsi:type resolution gated by substitution validity 2026-06-13 21:21:35 +02:00
StreamingXSDValidator.swift fix(xsd): error on unknown xsi:type; cycle-detect type references 2026-06-10 03:10:00 +02:00
TypeDerivation.swift
XSDAttributeParser.swift fix(schema): resolve <xs:attribute ref> to global attribute declarations 2026-06-13 19:30:11 +02:00
XSDCompletions.swift feat(schema): full NameAndTypeOK type derivation in element restriction 2026-06-14 13:47:18 +02:00
XSDComplexContent.swift
XSDContext.swift fix(schema): content-free restriction of emptiable base, substitution-group declaration order 2026-06-14 22:48:12 +02:00
XSDDerivation.swift fix(schema): reject circular model-group, attribute-group, and substitution-group references 2026-06-15 01:50:35 +02:00
XSDParser.swift feat(schema): substitution member type must derive from head (e-props-correct.4) 2026-06-15 13:08:38 +02:00
XSDSchemaValidations.swift feat(schema): full NameAndTypeOK type derivation in element restriction 2026-06-14 13:47:18 +02:00
XSDSimpleParser.swift feat(schema): whiteSpace facet may only strengthen the base (Part 2 4.3.6) 2026-06-15 14:54:47 +02:00
XSDValidations.swift fix(schema): enforce document-scoped xs:ID uniqueness and xs:IDREF resolution 2026-06-13 19:17:34 +02:00
XSDWildcardParser.swift