Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Xml / System / Xml / Core / XmlRawWriter.cs / 1 / XmlRawWriter.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
//-----------------------------------------------------------------------------
using System;
using System.IO;
using System.Diagnostics;
using System.Xml.XPath;
using System.Xml.Schema;
using System.Collections;
namespace System.Xml {
///
/// Implementations of XmlRawWriter are intended to be wrapped by the XmlWellFormedWriter. The
/// well-formed writer performs many checks in behalf of the raw writer, and keeps state that the
/// raw writer otherwise would have to keep. Therefore, the well-formed writer will call the
/// XmlRawWriter using the following rules, in order to make raw writers easier to implement:
///
/// 1. The well-formed writer keeps a stack of element names, and always calls
/// WriteEndElement(string, string, string) instead of WriteEndElement().
/// 2. The well-formed writer tracks namespaces, and will pass himself in via the
/// WellformedWriter property. It is used in the XmlRawWriter's implementation of IXmlNamespaceResolver.
/// Thus, LookupPrefix does not have to be implemented.
/// 3. The well-formed writer tracks write states, so the raw writer doesn't need to.
/// 4. The well-formed writer will always call StartElementContent.
/// 5. The well-formed writer will always call WriteNamespaceDeclaration for namespace nodes,
/// rather than calling WriteStartAttribute().
/// 6. The well-formed writer guarantees a well-formed document, including correct call sequences,
/// correct namespaces, and correct document rule enforcement.
/// 7. All element and attribute names will be fully resolved and validated. Null will never be
/// passed for any of the name parts.
/// 8. The well-formed writer keeps track of xml:space and xml:lang.
/// 9. The well-formed writer verifies NmToken, Name, and QName values and calls WriteString().
///
internal abstract class XmlRawWriter : XmlWriter {
//
// Fields
//
// base64 converter
protected XmlRawWriterBase64Encoder base64Encoder;
// namespace resolver
protected IXmlNamespaceResolver resolver;
//
// Constants
//
internal const int SurHighStart = 0xd800; // 1101 10xx
internal const int SurHighEnd = 0xdbff;
internal const int SurLowStart = 0xdc00; // 1101 11xx
internal const int SurLowEnd = 0xdfff;
internal const int SurMask = 0xfc00; // 1111 11xx
//
// XmlWriter implementation
//
// Raw writers do not have to track whether this is a well-formed document.
public override void WriteStartDocument() {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
public override void WriteStartDocument(bool standalone) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
public override void WriteEndDocument() {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
public override void WriteDocType(string name, string pubid, string sysid, string subset) {
}
// Raw writers do not have to keep a stack of element names.
public override void WriteEndElement() {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
// Raw writers do not have to keep a stack of element names.
public override void WriteFullEndElement() {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
// By default, convert base64 value to string and call WriteString.
public override void WriteBase64( byte[] buffer, int index, int count ) {
if ( base64Encoder == null ) {
base64Encoder = new XmlRawWriterBase64Encoder( this );
}
// Encode will call WriteRaw to write out the encoded characters
base64Encoder.Encode( buffer, index, count );
}
// Raw writers do not have to keep track of namespaces.
public override string LookupPrefix( string ns ) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
// Raw writers do not have to keep track of write states.
public override WriteState WriteState {
get {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
}
// Raw writers do not have to keep track of xml:space.
public override XmlSpace XmlSpace {
get { throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) ); }
}
// Raw writers do not have to keep track of xml:lang.
public override string XmlLang {
get { throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) ); }
}
// Raw writers do not have to verify NmToken values.
public override void WriteNmToken( string name ) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
// Raw writers do not have to verify Name values.
public override void WriteName( string name ) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
// Raw writers do not have to verify QName values.
public override void WriteQualifiedName( string localName, string ns ) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
// Forward call to WriteString(string).
public override void WriteCData( string text ) {
WriteString( text );
}
// Forward call to WriteString(string).
public override void WriteCharEntity( char ch ) {
WriteString( new string( new char[] {ch} ) );
}
// Forward call to WriteString(string).
public override void WriteSurrogateCharEntity( char lowChar, char highChar ) {
WriteString( new string( new char[] {lowChar, highChar} ) );
}
// Forward call to WriteString(string).
public override void WriteWhitespace( string ws ) {
WriteString( ws );
}
// Forward call to WriteString(string).
public override void WriteChars( char[] buffer, int index, int count ) {
WriteString( new string( buffer, index, count ) );
}
// Forward call to WriteString(string).
public override void WriteRaw(char[] buffer, int index, int count) {
WriteString( new string( buffer, index, count ) );
}
// Forward call to WriteString(string).
public override void WriteRaw(string data) {
WriteString( data );
}
// Override in order to handle Xml simple typed values and to pass resolver for QName values
public override void WriteValue(object value) {
if ( value == null ) {
throw new ArgumentNullException( "value" );
}
WriteString(XmlUntypedConverter.Untyped.ToString( value, resolver ) );
}
// Override in order to handle Xml simple typed values and to pass resolver for QName values
public override void WriteValue( string value ) {
WriteString( value );
}
// Copying to XmlRawWriter is not currently supported.
public override void WriteAttributes( XmlReader reader, bool defattr ) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
public override void WriteNode( XmlReader reader, bool defattr ) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
public override void WriteNode( System.Xml.XPath.XPathNavigator navigator, bool defattr ) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
//
// XmlRawWriter methods and properties
//
// Get and set the namespace resolver that's used by this RawWriter to resolve prefixes.
internal virtual IXmlNamespaceResolver NamespaceResolver {
get {
return resolver;
}
set {
resolver = value;
}
}
// Write the xml declaration. This must be the first call.
internal virtual void WriteXmlDeclaration( XmlStandalone standalone ) {
}
internal virtual void WriteXmlDeclaration( string xmldecl ) {
}
// Called after an element's attributes have been enumerated, but before any children have been
// enumerated. This method must always be called, even for empty elements.
internal abstract void StartElementContent();
// Called before a root element is written (before the WriteStartElement call)
// the conformanceLevel specifies the current conformance level the writer is operating with.
internal virtual void OnRootElement(ConformanceLevel conformanceLevel) { }
// WriteEndElement() and WriteFullEndElement() overloads, in which caller gives the full name of the
// element, so that raw writers do not need to keep a stack of element names. This method should
// always be called instead of WriteEndElement() or WriteFullEndElement() without parameters.
internal abstract void WriteEndElement( string prefix, string localName, string ns );
internal virtual void WriteFullEndElement( string prefix, string localName, string ns ) {
WriteEndElement( prefix, localName, ns );
}
internal virtual void WriteQualifiedName( string prefix, string localName, string ns ) {
if ( prefix.Length != 0 ) {
WriteString( prefix );
WriteString( ":" );
}
WriteString( localName );
}
// This method must be called instead of WriteStartAttribute() for namespaces.
internal abstract void WriteNamespaceDeclaration( string prefix, string ns );
// This is called when the remainder of a base64 value should be output.
internal virtual void WriteEndBase64() {
// The Flush will call WriteRaw to write out the rest of the encoded characters
base64Encoder.Flush();
}
internal virtual void Close( WriteState currentState ) {
Close();
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
//-----------------------------------------------------------------------------
using System;
using System.IO;
using System.Diagnostics;
using System.Xml.XPath;
using System.Xml.Schema;
using System.Collections;
namespace System.Xml {
///
/// Implementations of XmlRawWriter are intended to be wrapped by the XmlWellFormedWriter. The
/// well-formed writer performs many checks in behalf of the raw writer, and keeps state that the
/// raw writer otherwise would have to keep. Therefore, the well-formed writer will call the
/// XmlRawWriter using the following rules, in order to make raw writers easier to implement:
///
/// 1. The well-formed writer keeps a stack of element names, and always calls
/// WriteEndElement(string, string, string) instead of WriteEndElement().
/// 2. The well-formed writer tracks namespaces, and will pass himself in via the
/// WellformedWriter property. It is used in the XmlRawWriter's implementation of IXmlNamespaceResolver.
/// Thus, LookupPrefix does not have to be implemented.
/// 3. The well-formed writer tracks write states, so the raw writer doesn't need to.
/// 4. The well-formed writer will always call StartElementContent.
/// 5. The well-formed writer will always call WriteNamespaceDeclaration for namespace nodes,
/// rather than calling WriteStartAttribute().
/// 6. The well-formed writer guarantees a well-formed document, including correct call sequences,
/// correct namespaces, and correct document rule enforcement.
/// 7. All element and attribute names will be fully resolved and validated. Null will never be
/// passed for any of the name parts.
/// 8. The well-formed writer keeps track of xml:space and xml:lang.
/// 9. The well-formed writer verifies NmToken, Name, and QName values and calls WriteString().
///
internal abstract class XmlRawWriter : XmlWriter {
//
// Fields
//
// base64 converter
protected XmlRawWriterBase64Encoder base64Encoder;
// namespace resolver
protected IXmlNamespaceResolver resolver;
//
// Constants
//
internal const int SurHighStart = 0xd800; // 1101 10xx
internal const int SurHighEnd = 0xdbff;
internal const int SurLowStart = 0xdc00; // 1101 11xx
internal const int SurLowEnd = 0xdfff;
internal const int SurMask = 0xfc00; // 1111 11xx
//
// XmlWriter implementation
//
// Raw writers do not have to track whether this is a well-formed document.
public override void WriteStartDocument() {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
public override void WriteStartDocument(bool standalone) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
public override void WriteEndDocument() {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
public override void WriteDocType(string name, string pubid, string sysid, string subset) {
}
// Raw writers do not have to keep a stack of element names.
public override void WriteEndElement() {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
// Raw writers do not have to keep a stack of element names.
public override void WriteFullEndElement() {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
// By default, convert base64 value to string and call WriteString.
public override void WriteBase64( byte[] buffer, int index, int count ) {
if ( base64Encoder == null ) {
base64Encoder = new XmlRawWriterBase64Encoder( this );
}
// Encode will call WriteRaw to write out the encoded characters
base64Encoder.Encode( buffer, index, count );
}
// Raw writers do not have to keep track of namespaces.
public override string LookupPrefix( string ns ) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
// Raw writers do not have to keep track of write states.
public override WriteState WriteState {
get {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
}
// Raw writers do not have to keep track of xml:space.
public override XmlSpace XmlSpace {
get { throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) ); }
}
// Raw writers do not have to keep track of xml:lang.
public override string XmlLang {
get { throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) ); }
}
// Raw writers do not have to verify NmToken values.
public override void WriteNmToken( string name ) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
// Raw writers do not have to verify Name values.
public override void WriteName( string name ) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
// Raw writers do not have to verify QName values.
public override void WriteQualifiedName( string localName, string ns ) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
// Forward call to WriteString(string).
public override void WriteCData( string text ) {
WriteString( text );
}
// Forward call to WriteString(string).
public override void WriteCharEntity( char ch ) {
WriteString( new string( new char[] {ch} ) );
}
// Forward call to WriteString(string).
public override void WriteSurrogateCharEntity( char lowChar, char highChar ) {
WriteString( new string( new char[] {lowChar, highChar} ) );
}
// Forward call to WriteString(string).
public override void WriteWhitespace( string ws ) {
WriteString( ws );
}
// Forward call to WriteString(string).
public override void WriteChars( char[] buffer, int index, int count ) {
WriteString( new string( buffer, index, count ) );
}
// Forward call to WriteString(string).
public override void WriteRaw(char[] buffer, int index, int count) {
WriteString( new string( buffer, index, count ) );
}
// Forward call to WriteString(string).
public override void WriteRaw(string data) {
WriteString( data );
}
// Override in order to handle Xml simple typed values and to pass resolver for QName values
public override void WriteValue(object value) {
if ( value == null ) {
throw new ArgumentNullException( "value" );
}
WriteString(XmlUntypedConverter.Untyped.ToString( value, resolver ) );
}
// Override in order to handle Xml simple typed values and to pass resolver for QName values
public override void WriteValue( string value ) {
WriteString( value );
}
// Copying to XmlRawWriter is not currently supported.
public override void WriteAttributes( XmlReader reader, bool defattr ) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
public override void WriteNode( XmlReader reader, bool defattr ) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
public override void WriteNode( System.Xml.XPath.XPathNavigator navigator, bool defattr ) {
throw new InvalidOperationException( Res.GetString( Res.Xml_InvalidOperation ) );
}
//
// XmlRawWriter methods and properties
//
// Get and set the namespace resolver that's used by this RawWriter to resolve prefixes.
internal virtual IXmlNamespaceResolver NamespaceResolver {
get {
return resolver;
}
set {
resolver = value;
}
}
// Write the xml declaration. This must be the first call.
internal virtual void WriteXmlDeclaration( XmlStandalone standalone ) {
}
internal virtual void WriteXmlDeclaration( string xmldecl ) {
}
// Called after an element's attributes have been enumerated, but before any children have been
// enumerated. This method must always be called, even for empty elements.
internal abstract void StartElementContent();
// Called before a root element is written (before the WriteStartElement call)
// the conformanceLevel specifies the current conformance level the writer is operating with.
internal virtual void OnRootElement(ConformanceLevel conformanceLevel) { }
// WriteEndElement() and WriteFullEndElement() overloads, in which caller gives the full name of the
// element, so that raw writers do not need to keep a stack of element names. This method should
// always be called instead of WriteEndElement() or WriteFullEndElement() without parameters.
internal abstract void WriteEndElement( string prefix, string localName, string ns );
internal virtual void WriteFullEndElement( string prefix, string localName, string ns ) {
WriteEndElement( prefix, localName, ns );
}
internal virtual void WriteQualifiedName( string prefix, string localName, string ns ) {
if ( prefix.Length != 0 ) {
WriteString( prefix );
WriteString( ":" );
}
WriteString( localName );
}
// This method must be called instead of WriteStartAttribute() for namespaces.
internal abstract void WriteNamespaceDeclaration( string prefix, string ns );
// This is called when the remainder of a base64 value should be output.
internal virtual void WriteEndBase64() {
// The Flush will call WriteRaw to write out the rest of the encoded characters
base64Encoder.Flush();
}
internal virtual void Close( WriteState currentState ) {
Close();
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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