/// <summary> /// Compares xsi:type attribute values /// </summary> private ComparisonState CompareXsiType(XmlAttribute control, XPathContext controlContext, XmlAttribute test, XPathContext testContext) { bool mustChangeControlContext = control != null; bool mustChangeTestContext = test != null; if (!mustChangeControlContext && !mustChangeTestContext) { return(new OngoingComparisonState(this)); } bool attributePresentOnBothSides = mustChangeControlContext && mustChangeTestContext; try { XmlQualifiedName controlAttrName = null; if (mustChangeControlContext) { controlAttrName = control.GetQName(); controlContext.AddAttribute(controlAttrName); controlContext.NavigateToAttribute(controlAttrName); } XmlQualifiedName testAttrName = null; if (mustChangeTestContext) { testAttrName = test.GetQName(); testContext.AddAttribute(testAttrName); testContext.NavigateToAttribute(testAttrName); } return(Compare(new Comparison(ComparisonType.ATTR_NAME_LOOKUP, control, GetXPath(controlContext), controlAttrName, GetParentXPath(controlContext), test, GetXPath(testContext), testAttrName, GetParentXPath(testContext))) .AndIfTrueThen(attributePresentOnBothSides, () => CompareAttributeExplicitness(control, controlContext, test, testContext)) .AndIfTrueThen(attributePresentOnBothSides, new Comparison(ComparisonType.ATTR_VALUE, control, GetXPath(controlContext), ValueAsQName(control), GetParentXPath(controlContext), test, GetXPath(testContext), ValueAsQName(test), GetParentXPath(testContext)))); } finally { if (mustChangeControlContext) { controlContext.NavigateToParent(); } if (mustChangeTestContext) { testContext.NavigateToParent(); } } }
private Func <ComparisonState> NormalAttributeComparer(XmlElement control, XPathContext controlContext, Attributes controlAttributes, XmlElement test, XPathContext testContext, Attributes testAttributes) { return(() => { ComparisonState chain = new OngoingComparisonState(this); ICollection <XmlAttribute> foundTestAttributes = new HashSet <XmlAttribute>(); foreach (XmlAttribute controlAttr in controlAttributes.RemainingAttributes) { XmlQualifiedName controlAttrName = controlAttr.GetQName(); XmlAttribute testAttr = FindMatchingAttr(testAttributes.RemainingAttributes, controlAttr); XmlQualifiedName testAttrName = testAttr != null ? testAttr.GetQName() : null; controlContext.NavigateToAttribute(controlAttrName); try { chain = chain.AndThen(new Comparison(ComparisonType.ATTR_NAME_LOOKUP, control, GetXPath(controlContext), controlAttrName, GetParentXPath(controlContext), test, GetXPath(testContext), testAttrName, GetParentXPath(testContext))); if (testAttr != null) { testContext.NavigateToAttribute(testAttrName); try { chain = chain.AndThen(() => CompareNodes(controlAttr, controlContext, testAttr, testContext)); foundTestAttributes.Add(testAttr); } finally { testContext.NavigateToParent(); } } } finally { controlContext.NavigateToParent(); } } return chain.AndThen(() => { ComparisonState secondChain = new OngoingComparisonState(this); foreach (XmlAttribute testAttr in testAttributes.RemainingAttributes) { if (!foundTestAttributes.Contains(testAttr)) { XmlQualifiedName testAttrName = testAttr.GetQName(); testContext.NavigateToAttribute(testAttrName); try { secondChain = secondChain .AndThen(new Comparison(ComparisonType.ATTR_NAME_LOOKUP, control, GetXPath(controlContext), null, GetParentXPath(controlContext), test, GetXPath(testContext), testAttrName, GetParentXPath(testContext))); } finally { testContext.NavigateToParent(); } } } return secondChain; }); }); }