Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Xml / System / Xml / schema / basevalidator.cs / 1 / basevalidator.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- namespace System.Xml.Schema { using System.IO; using System.Diagnostics; using System.Text; using System.Collections; #pragma warning disable 618 internal class BaseValidator { XmlSchemaCollection schemaCollection; ValidationEventHandler eventHandler; XmlNameTable nameTable; SchemaNames schemaNames; PositionInfo positionInfo; XmlResolver xmlResolver; Uri baseUri; protected SchemaInfo schemaInfo; protected XmlValidatingReaderImpl reader; protected XmlQualifiedName elementName; protected ValidationState context; protected StringBuilder textValue; protected string textString; protected bool hasSibling; protected bool checkDatatype; public BaseValidator(BaseValidator other) { reader = other.reader; schemaCollection = other.schemaCollection; eventHandler = other.eventHandler; nameTable = other.nameTable; schemaNames = other.schemaNames; positionInfo = other.positionInfo; xmlResolver = other.xmlResolver; baseUri = other.baseUri; elementName = other.elementName; } public BaseValidator(XmlValidatingReaderImpl reader, XmlSchemaCollection schemaCollection, ValidationEventHandler eventHandler) { Debug.Assert(schemaCollection == null || schemaCollection.NameTable == reader.NameTable); this.reader = reader; this.schemaCollection = schemaCollection; this.eventHandler = eventHandler; nameTable = reader.NameTable; positionInfo = PositionInfo.GetPositionInfo(reader); elementName = new XmlQualifiedName(); } public XmlValidatingReaderImpl Reader { get { return reader; } } public XmlSchemaCollection SchemaCollection { get { return schemaCollection; } } public XmlNameTable NameTable { get { return nameTable; } } public SchemaNames SchemaNames { get { if (schemaNames != null) { return schemaNames; } if (schemaCollection != null) { schemaNames = schemaCollection.GetSchemaNames(nameTable); } else { schemaNames = new SchemaNames(nameTable); } return schemaNames; } } public PositionInfo PositionInfo { get { return positionInfo; } } public XmlResolver XmlResolver { get { return xmlResolver; } set { xmlResolver = value; } } public Uri BaseUri { get { return baseUri; } set { baseUri = value; } } public ValidationEventHandler EventHandler { get { return eventHandler; } set { eventHandler = value; } } public SchemaInfo SchemaInfo { get { return schemaInfo; } set { schemaInfo = value; } } public virtual bool PreserveWhitespace { get { return false; } } public virtual void Validate() { } public virtual void CompleteValidation() { } public virtual object FindId(string name) { return null; } public void ValidateText() { if (context.NeedValidateChildren) { if (context.IsNill) { SendValidationEvent(Res.Sch_ContentInNill, XmlSchemaValidator.QNameString(context.LocalName, context.Namespace)); return; } ContentValidator contentValidator = context.ElementDecl.ContentValidator; XmlSchemaContentType contentType = contentValidator.ContentType; if (contentType == XmlSchemaContentType.ElementOnly) { ArrayList names = contentValidator.ExpectedElements(context, false); if (names == null) { SendValidationEvent(Res.Sch_InvalidTextInElement, XmlSchemaValidator.BuildElementName(context.LocalName, context.Namespace)); } else { Debug.Assert(names.Count > 0); SendValidationEvent(Res.Sch_InvalidTextInElementExpecting, new string[] { XmlSchemaValidator.BuildElementName(context.LocalName, context.Namespace), XmlSchemaValidator.PrintExpectedElements(names, false) }); } } else if (contentType == XmlSchemaContentType.Empty) { SendValidationEvent(Res.Sch_InvalidTextInEmpty, string.Empty); } if (checkDatatype) { SaveTextValue(reader.Value); } } } public void ValidateWhitespace() { if (context.NeedValidateChildren) { XmlSchemaContentType contentType = context.ElementDecl.ContentValidator.ContentType; if (context.IsNill) { SendValidationEvent(Res.Sch_ContentInNill, XmlSchemaValidator.QNameString(context.LocalName, context.Namespace)); } if (contentType == XmlSchemaContentType.Empty) { SendValidationEvent(Res.Sch_InvalidWhitespaceInEmpty, string.Empty); } } } private void SaveTextValue(string value) { if (textString.Length == 0) { textString = value; } else { if (!hasSibling) { textValue.Append(textString); hasSibling = true; } textValue.Append(value); } } protected void SendValidationEvent(string code) { SendValidationEvent(code, string.Empty); } protected void SendValidationEvent(string code, string[] args) { SendValidationEvent(new XmlSchemaException(code, args, reader.BaseURI, positionInfo.LineNumber, positionInfo.LinePosition)); } protected void SendValidationEvent(string code, string arg) { SendValidationEvent(new XmlSchemaException(code, arg, reader.BaseURI, positionInfo.LineNumber, positionInfo.LinePosition)); } protected void SendValidationEvent(string code, string arg1, string arg2) { SendValidationEvent(new XmlSchemaException(code, new string[] { arg1, arg2 }, reader.BaseURI, positionInfo.LineNumber, positionInfo.LinePosition)); } protected void SendValidationEvent(XmlSchemaException e) { SendValidationEvent(e, XmlSeverityType.Error); } protected void SendValidationEvent(string code, string msg, XmlSeverityType severity) { SendValidationEvent(new XmlSchemaException(code, msg, reader.BaseURI, positionInfo.LineNumber, positionInfo.LinePosition), severity); } protected void SendValidationEvent(string code, string[] args, XmlSeverityType severity) { SendValidationEvent(new XmlSchemaException(code, args, reader.BaseURI, positionInfo.LineNumber, positionInfo.LinePosition), severity); } protected void SendValidationEvent(XmlSchemaException e, XmlSeverityType severity) { if (eventHandler != null) { eventHandler(reader, new ValidationEventArgs(e, severity)); } else if (severity == XmlSeverityType.Error) { throw e; } } protected static void ProcessEntity(SchemaInfo sinfo, string name, object sender, ValidationEventHandler eventhandler, string baseUri, int lineNumber, int linePosition) { SchemaEntity en = (SchemaEntity)sinfo.GeneralEntities[new XmlQualifiedName(name)]; XmlSchemaException e = null; if (en == null) { // validation error, see xml spec [68] e = new XmlSchemaException(Res.Sch_UndeclaredEntity, name, baseUri, lineNumber, linePosition); } else if (en.NData.IsEmpty) { e = new XmlSchemaException(Res.Sch_UnparsedEntityRef, name, baseUri, lineNumber, linePosition); } if (e != null) { if (eventhandler != null) { eventhandler(sender, new ValidationEventArgs(e)); } else { throw e; } } } public static BaseValidator CreateInstance(ValidationType valType, XmlValidatingReaderImpl reader, XmlSchemaCollection schemaCollection, ValidationEventHandler eventHandler, bool processIdentityConstraints) { switch(valType) { case ValidationType.XDR: return new XdrValidator(reader, schemaCollection, eventHandler); case ValidationType.Schema: return new XsdValidator(reader, schemaCollection, eventHandler); case ValidationType.DTD: return new DtdValidator(reader, eventHandler, processIdentityConstraints); case ValidationType.Auto: return new AutoValidator(reader, schemaCollection, eventHandler); case ValidationType.None: return new BaseValidator(reader, schemaCollection, eventHandler); default: break; } return null; } } #pragma warning restore 618 } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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