Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Xml / System / Xml / Core / QueryOutputWriterV1.cs / 1305376 / QueryOutputWriterV1.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
//-----------------------------------------------------------------------------
using System;
using System.IO;
using System.Diagnostics;
using System.Collections.Generic;
namespace System.Xml {
///
/// This writer wraps an XmlWriter that was not build using the XmlRawWriter architecture (such as XmlTextWriter or a custom XmlWriter)
/// for use in the XslCompilerTransform. Depending on the Xsl stylesheet output settings (which gets transfered to this writer via the
/// internal properties of XmlWriterSettings) this writer will inserts additional lexical information into the resulting Xml 1.0 document:
///
/// 1. CData sections
/// 2. DocType declaration
/// 3. Standalone attribute
///
/// It also calls WriteStateDocument if standalone="yes" and/or a DocType declaration is written out in order to enforce document conformance
/// checking.
///
internal class QueryOutputWriterV1 : XmlWriter {
private XmlWriter wrapped;
private bool inCDataSection;
private Dictionary lookupCDataElems;
private BitStack bitsCData;
private XmlQualifiedName qnameCData;
private bool outputDocType, inAttr;
private string systemId, publicId;
private XmlStandalone standalone;
public QueryOutputWriterV1(XmlWriter writer, XmlWriterSettings settings) {
this.wrapped = writer;
this.systemId = settings.DocTypeSystem;
this.publicId = settings.DocTypePublic;
if (settings.OutputMethod == XmlOutputMethod.Xml) {
bool documentConformance = false;
// Xml output method shouldn't output doc-type-decl if system ID is not defined (even if public ID is)
// Only check for well-formed document if output method is xml
if (this.systemId != null) {
documentConformance = true;
this.outputDocType = true;
}
// Check for well-formed document if standalone="yes" in an auto-generated xml declaration
if (settings.Standalone == XmlStandalone.Yes) {
documentConformance = true;
this.standalone = settings.Standalone;
}
if (documentConformance) {
if (settings.Standalone == XmlStandalone.Yes) {
this.wrapped.WriteStartDocument(true);
}
else {
this.wrapped.WriteStartDocument();
}
}
if (settings.CDataSectionElements != null && settings.CDataSectionElements.Count > 0) {
this.bitsCData = new BitStack();
this.lookupCDataElems = new Dictionary();
this.qnameCData = new XmlQualifiedName();
// Add each element name to the lookup table
foreach (XmlQualifiedName name in settings.CDataSectionElements) {
this.lookupCDataElems[name] = null;
}
this.bitsCData.PushBit(false);
}
}
else if (settings.OutputMethod == XmlOutputMethod.Html) {
// Html output method should output doc-type-decl if system ID or public ID is defined
if (this.systemId != null || this.publicId != null)
this.outputDocType = true;
}
}
//-----------------------------------------------
// XmlWriter interface
//-----------------------------------------------
public override WriteState WriteState {
get {
return this.wrapped.WriteState;
}
}
public override void WriteStartDocument() {
this.wrapped.WriteStartDocument();
}
public override void WriteStartDocument(bool standalone) {
this.wrapped.WriteStartDocument(standalone);
}
public override void WriteEndDocument() {
this.wrapped.WriteEndDocument();
}
///
/// Suppress this explicit call to WriteDocType if information was provided by XmlWriterSettings.
///
public override void WriteDocType(string name, string pubid, string sysid, string subset) {
if (this.publicId == null && this.systemId == null) {
Debug.Assert(!this.outputDocType);
this.wrapped.WriteDocType(name, pubid, sysid, subset);
}
}
///
/// Output doc-type-decl on the first element, and determine whether this element is a
/// CData section element.
///
public override void WriteStartElement(string prefix, string localName, string ns) {
EndCDataSection();
// Output doc-type declaration immediately before first element is output
if (this.outputDocType) {
WriteState ws = this.wrapped.WriteState;
if (ws == WriteState.Start || ws == WriteState.Prolog) {
this.wrapped.WriteDocType(
prefix.Length != 0 ? prefix + ":" + localName : localName,
this.publicId,
this.systemId,
null );
}
this.outputDocType = false;
}
this.wrapped.WriteStartElement(prefix, localName, ns);
if (this.lookupCDataElems != null) {
// Determine whether this element is a CData section element
this.qnameCData.Init(localName, ns);
this.bitsCData.PushBit(this.lookupCDataElems.ContainsKey(this.qnameCData));
}
}
public override void WriteEndElement() {
EndCDataSection();
this.wrapped.WriteEndElement();
if (this.lookupCDataElems != null)
this.bitsCData.PopBit();
}
public override void WriteFullEndElement() {
EndCDataSection();
this.wrapped.WriteFullEndElement();
if (this.lookupCDataElems != null)
this.bitsCData.PopBit();
}
public override void WriteStartAttribute(string prefix, string localName, string ns) {
this.inAttr = true;
this.wrapped.WriteStartAttribute(prefix, localName, ns);
}
public override void WriteEndAttribute() {
this.inAttr = false;
this.wrapped.WriteEndAttribute();
}
public override void WriteCData(string text) {
this.wrapped.WriteCData(text);
}
public override void WriteComment(string text) {
EndCDataSection();
this.wrapped.WriteComment(text);
}
public override void WriteProcessingInstruction(string name, string text) {
EndCDataSection();
this.wrapped.WriteProcessingInstruction(name, text);
}
public override void WriteWhitespace(string ws) {
if (!this.inAttr && (this.inCDataSection || StartCDataSection()))
this.wrapped.WriteCData(ws);
else
this.wrapped.WriteWhitespace(ws);
}
public override void WriteString(string text) {
if (!this.inAttr && (this.inCDataSection || StartCDataSection()))
this.wrapped.WriteCData(text);
else
this.wrapped.WriteString(text);
}
public override void WriteChars(char[] buffer, int index, int count) {
if (!this.inAttr && (this.inCDataSection || StartCDataSection()))
this.wrapped.WriteCData(new string(buffer, index, count));
else
this.wrapped.WriteChars(buffer, index, count);
}
public override void WriteBase64(byte[] buffer, int index, int count) {
if (!this.inAttr && (this.inCDataSection || StartCDataSection()))
this.wrapped.WriteBase64(buffer, index, count);
else
this.wrapped.WriteBase64(buffer, index, count);
}
public override void WriteEntityRef(string name) {
EndCDataSection();
this.wrapped.WriteEntityRef(name);
}
public override void WriteCharEntity(char ch) {
EndCDataSection();
this.wrapped.WriteCharEntity(ch);
}
public override void WriteSurrogateCharEntity(char lowChar, char highChar) {
EndCDataSection();
this.wrapped.WriteSurrogateCharEntity(lowChar, highChar);
}
public override void WriteRaw(char[] buffer, int index, int count) {
if (!this.inAttr && (this.inCDataSection || StartCDataSection()))
this.wrapped.WriteCData(new string(buffer, index, count));
else
this.wrapped.WriteRaw(buffer, index, count);
}
public override void WriteRaw(string data) {
if (!this.inAttr && (this.inCDataSection || StartCDataSection()))
this.wrapped.WriteCData(data);
else
this.wrapped.WriteRaw(data);
}
public override void Close() {
this.wrapped.Close();
}
public override void Flush() {
this.wrapped.Flush();
}
public override string LookupPrefix(string ns) {
return this.wrapped.LookupPrefix(ns);
}
//-----------------------------------------------
// Helper methods
//-----------------------------------------------
///
/// Write CData text if element is a CData element. Return true if text should be written
/// within a CData section.
///
private bool StartCDataSection() {
Debug.Assert(!this.inCDataSection);
if (this.lookupCDataElems != null && this.bitsCData.PeekBit()) {
this.inCDataSection = true;
return true;
}
return false;
}
///
/// No longer write CData text.
///
private void EndCDataSection() {
this.inCDataSection = false;
}
}
}
// 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.Collections.Generic;
namespace System.Xml {
///
/// This writer wraps an XmlWriter that was not build using the XmlRawWriter architecture (such as XmlTextWriter or a custom XmlWriter)
/// for use in the XslCompilerTransform. Depending on the Xsl stylesheet output settings (which gets transfered to this writer via the
/// internal properties of XmlWriterSettings) this writer will inserts additional lexical information into the resulting Xml 1.0 document:
///
/// 1. CData sections
/// 2. DocType declaration
/// 3. Standalone attribute
///
/// It also calls WriteStateDocument if standalone="yes" and/or a DocType declaration is written out in order to enforce document conformance
/// checking.
///
internal class QueryOutputWriterV1 : XmlWriter {
private XmlWriter wrapped;
private bool inCDataSection;
private Dictionary lookupCDataElems;
private BitStack bitsCData;
private XmlQualifiedName qnameCData;
private bool outputDocType, inAttr;
private string systemId, publicId;
private XmlStandalone standalone;
public QueryOutputWriterV1(XmlWriter writer, XmlWriterSettings settings) {
this.wrapped = writer;
this.systemId = settings.DocTypeSystem;
this.publicId = settings.DocTypePublic;
if (settings.OutputMethod == XmlOutputMethod.Xml) {
bool documentConformance = false;
// Xml output method shouldn't output doc-type-decl if system ID is not defined (even if public ID is)
// Only check for well-formed document if output method is xml
if (this.systemId != null) {
documentConformance = true;
this.outputDocType = true;
}
// Check for well-formed document if standalone="yes" in an auto-generated xml declaration
if (settings.Standalone == XmlStandalone.Yes) {
documentConformance = true;
this.standalone = settings.Standalone;
}
if (documentConformance) {
if (settings.Standalone == XmlStandalone.Yes) {
this.wrapped.WriteStartDocument(true);
}
else {
this.wrapped.WriteStartDocument();
}
}
if (settings.CDataSectionElements != null && settings.CDataSectionElements.Count > 0) {
this.bitsCData = new BitStack();
this.lookupCDataElems = new Dictionary();
this.qnameCData = new XmlQualifiedName();
// Add each element name to the lookup table
foreach (XmlQualifiedName name in settings.CDataSectionElements) {
this.lookupCDataElems[name] = null;
}
this.bitsCData.PushBit(false);
}
}
else if (settings.OutputMethod == XmlOutputMethod.Html) {
// Html output method should output doc-type-decl if system ID or public ID is defined
if (this.systemId != null || this.publicId != null)
this.outputDocType = true;
}
}
//-----------------------------------------------
// XmlWriter interface
//-----------------------------------------------
public override WriteState WriteState {
get {
return this.wrapped.WriteState;
}
}
public override void WriteStartDocument() {
this.wrapped.WriteStartDocument();
}
public override void WriteStartDocument(bool standalone) {
this.wrapped.WriteStartDocument(standalone);
}
public override void WriteEndDocument() {
this.wrapped.WriteEndDocument();
}
///
/// Suppress this explicit call to WriteDocType if information was provided by XmlWriterSettings.
///
public override void WriteDocType(string name, string pubid, string sysid, string subset) {
if (this.publicId == null && this.systemId == null) {
Debug.Assert(!this.outputDocType);
this.wrapped.WriteDocType(name, pubid, sysid, subset);
}
}
///
/// Output doc-type-decl on the first element, and determine whether this element is a
/// CData section element.
///
public override void WriteStartElement(string prefix, string localName, string ns) {
EndCDataSection();
// Output doc-type declaration immediately before first element is output
if (this.outputDocType) {
WriteState ws = this.wrapped.WriteState;
if (ws == WriteState.Start || ws == WriteState.Prolog) {
this.wrapped.WriteDocType(
prefix.Length != 0 ? prefix + ":" + localName : localName,
this.publicId,
this.systemId,
null );
}
this.outputDocType = false;
}
this.wrapped.WriteStartElement(prefix, localName, ns);
if (this.lookupCDataElems != null) {
// Determine whether this element is a CData section element
this.qnameCData.Init(localName, ns);
this.bitsCData.PushBit(this.lookupCDataElems.ContainsKey(this.qnameCData));
}
}
public override void WriteEndElement() {
EndCDataSection();
this.wrapped.WriteEndElement();
if (this.lookupCDataElems != null)
this.bitsCData.PopBit();
}
public override void WriteFullEndElement() {
EndCDataSection();
this.wrapped.WriteFullEndElement();
if (this.lookupCDataElems != null)
this.bitsCData.PopBit();
}
public override void WriteStartAttribute(string prefix, string localName, string ns) {
this.inAttr = true;
this.wrapped.WriteStartAttribute(prefix, localName, ns);
}
public override void WriteEndAttribute() {
this.inAttr = false;
this.wrapped.WriteEndAttribute();
}
public override void WriteCData(string text) {
this.wrapped.WriteCData(text);
}
public override void WriteComment(string text) {
EndCDataSection();
this.wrapped.WriteComment(text);
}
public override void WriteProcessingInstruction(string name, string text) {
EndCDataSection();
this.wrapped.WriteProcessingInstruction(name, text);
}
public override void WriteWhitespace(string ws) {
if (!this.inAttr && (this.inCDataSection || StartCDataSection()))
this.wrapped.WriteCData(ws);
else
this.wrapped.WriteWhitespace(ws);
}
public override void WriteString(string text) {
if (!this.inAttr && (this.inCDataSection || StartCDataSection()))
this.wrapped.WriteCData(text);
else
this.wrapped.WriteString(text);
}
public override void WriteChars(char[] buffer, int index, int count) {
if (!this.inAttr && (this.inCDataSection || StartCDataSection()))
this.wrapped.WriteCData(new string(buffer, index, count));
else
this.wrapped.WriteChars(buffer, index, count);
}
public override void WriteBase64(byte[] buffer, int index, int count) {
if (!this.inAttr && (this.inCDataSection || StartCDataSection()))
this.wrapped.WriteBase64(buffer, index, count);
else
this.wrapped.WriteBase64(buffer, index, count);
}
public override void WriteEntityRef(string name) {
EndCDataSection();
this.wrapped.WriteEntityRef(name);
}
public override void WriteCharEntity(char ch) {
EndCDataSection();
this.wrapped.WriteCharEntity(ch);
}
public override void WriteSurrogateCharEntity(char lowChar, char highChar) {
EndCDataSection();
this.wrapped.WriteSurrogateCharEntity(lowChar, highChar);
}
public override void WriteRaw(char[] buffer, int index, int count) {
if (!this.inAttr && (this.inCDataSection || StartCDataSection()))
this.wrapped.WriteCData(new string(buffer, index, count));
else
this.wrapped.WriteRaw(buffer, index, count);
}
public override void WriteRaw(string data) {
if (!this.inAttr && (this.inCDataSection || StartCDataSection()))
this.wrapped.WriteCData(data);
else
this.wrapped.WriteRaw(data);
}
public override void Close() {
this.wrapped.Close();
}
public override void Flush() {
this.wrapped.Flush();
}
public override string LookupPrefix(string ns) {
return this.wrapped.LookupPrefix(ns);
}
//-----------------------------------------------
// Helper methods
//-----------------------------------------------
///
/// Write CData text if element is a CData element. Return true if text should be written
/// within a CData section.
///
private bool StartCDataSection() {
Debug.Assert(!this.inCDataSection);
if (this.lookupCDataElems != null && this.bitsCData.PeekBit()) {
this.inCDataSection = true;
return true;
}
return false;
}
///
/// No longer write CData text.
///
private void EndCDataSection() {
this.inCDataSection = false;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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