Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / xsp / System / Web / UI / XhtmlTextWriter.cs / 1 / XhtmlTextWriter.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI {
using System;
using System.Collections;
using System.Collections.Specialized;
using System.IO;
using System.Text;
using System.Globalization;
using System.Security.Permissions;
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public class XhtmlTextWriter : HtmlTextWriter {
private Hashtable _commonAttributes = new Hashtable();
// For _elementSpecificAttributes, each hashtable value is a hashtable. If an attribute name appears as a key
// in the hashtable corresponding to an element, the attribute is passed through.
private Hashtable _elementSpecificAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase);
private Hashtable _suppressCommonAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase);
private XhtmlMobileDocType _docType;
internal override bool RenderDivAroundHiddenInputs {
get {
return false;
}
}
public XhtmlTextWriter(TextWriter writer) : this(writer, DefaultTabString) {
}
public XhtmlTextWriter(TextWriter writer, string tabString) : base(writer, tabString) {
// Common attributes are defined in the xhtml modularization spec. They are allowed by the writer unless
// _suppressCommonAttribues["elementName"] is nonnull.
_commonAttributes.Add("class", true);
_commonAttributes.Add("id", true);
_commonAttributes.Add("title", true);
_commonAttributes.Add("xml:lang", true);
// Note: "Dir" attribute is included in I18N if the bidirectional text module is included. Since
// this is not the case in XHTML-MP, omit the dir attribute.
// See http://www.wapforum.org/tech/documents/WAP-277-XHTMLMP-20011029-a.pdf and
// http://www.w3.org/TR/xhtml-modularization/abstract_modules.html.
// See also VSWhidbey 228858.
// _commonAttributes.Add("dir", true);
// Note: style attribute is added in SetDocType in case doctype is XHTML-MP or WML20. In XHTML Basic, it is disallowed.
// Initialize dictionary lookup of attributes by element.
// Structure Module
// body elt has only common attributes.
AddRecognizedAttributes("head", "xml:lang");
_suppressCommonAttributes["head"] = true; // common attributes are disallowed for this elt.
AddRecognizedAttributes("html", "xml:lang", "version", "xmlns");
_suppressCommonAttributes["html"] = true; // common attributes are disallowed for this elt.
AddRecognizedAttributes("title", "xml:lang");
_suppressCommonAttributes["title"] = true; // common attributes are disallowed for this elt.
// Text module
// abbr, acronym, address have only common attributes.
AddRecognizedAttributes("blockquote", "cite");
AddRecognizedAttributes("br", "class", "id", "title"); // br allows only core attributes.
_suppressCommonAttributes["br"] = true;
// cite, code, dfn, div, em, h1-h6, kbd, p have only common attributes.
AddRecognizedAttributes("pre", "xml:space");
AddRecognizedAttributes("q", "cite");
// samp, span, strong, var have only common attributes.
// Hypertext module
AddRecognizedAttributes("a", "accesskey", "charset", "href", "hreflang", "rel", "rev", "tabindex", "type", "title");
// List module
// dl, dt, dd, ol, ul, li have only common attributes.
// Basic Forms module
AddRecognizedAttributes("form", "action", "method", "enctype");
AddRecognizedAttributes("input", "accesskey", "checked", "maxlength", "name", "size", "src", "tabindex", "type", "value", "title", "disabled");
AddRecognizedAttributes("label", "accesskey");
AddRecognizedAttributes("label", "for");
AddRecognizedAttributes("select", "multiple", "name", "size", "tabindex", "disabled");
AddRecognizedAttributes("option", "selected", "value");
AddRecognizedAttributes("textarea", "accesskey", "cols", "name", "rows", "tabindex");
// Basic Tables module
// caption has only common attributes.
AddRecognizedAttributes("table", "summary", "width");
AddRecognizedAttributes("td", "abbr", "align", "axis", "colspan", "headers", "rowspan", "scope", "valign");
AddRecognizedAttributes("th", "abbr", "align", "axis", "colspan", "headers", "rowspan", "scope", "valign");
AddRecognizedAttributes("tr", "align", "valign");
// Image module
AddRecognizedAttributes("img", "alt", "height", "longdesc", "src", "width");
// Object module
AddRecognizedAttributes("object", "archive", "classid", "codebase", "codetype", "data", "declare", "height", "name",
"standby", "tabindex", "type", "width");
AddRecognizedAttributes("param", "id", "name", "type", "value", "valuetype");
// Metainformation module
AddRecognizedAttributes("meta", "xml:lang", "content", "http-equiv", "name", "scheme");
_suppressCommonAttributes["meta"] = true; // common attributes are disallowed for this elt.
// Link module
AddRecognizedAttributes("link", "charset", "href", "hreflang", "media", "rel", "rev", "type");
// Base module
AddRecognizedAttributes("base", "href");
_suppressCommonAttributes["base"] = true; // common attributes are disallowed for this elt.
// Partial Forms module
// fieldset has only common attributes.
AddRecognizedAttributes("optgroup", "disabled", "label");
// Partial Legacy module
AddRecognizedAttributes("ol", "start");
AddRecognizedAttributes("li", "value");
// Partial Presentation module
// b, big, hr, i, small have only common attributes
// Style module
AddRecognizedAttributes("style", "xml:lang", "media", "title", "type", "xml:space");
_suppressCommonAttributes["style"] = true; // common attributes are disallowed for this elt.
}
///
/// [To be supplied.]
///
public virtual void AddRecognizedAttribute(string elementName, string attributeName) {
AddRecognizedAttributes(elementName, attributeName);
}
private void AddRecognizedAttributes(string elementName, params string[] attributes) {
Hashtable eltAttributes = (Hashtable) _elementSpecificAttributes[elementName];
if (eltAttributes == null) {
eltAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase);
_elementSpecificAttributes[elementName] = eltAttributes;
}
foreach(string attribute in attributes) {
eltAttributes.Add(attribute, true);
}
}
///
/// [To be supplied.]
///
public override bool IsValidFormAttribute(string attributeName) {
Hashtable formAttributes = (Hashtable)_elementSpecificAttributes["form"];
return (formAttributes != null) && (formAttributes[attributeName] != null);
}
///
/// [To be supplied.]
///
protected override bool OnAttributeRender(string name, string value, HtmlTextWriterAttribute key) {
if (_commonAttributes[name] != null && _suppressCommonAttributes[TagName] == null) {
return true;
}
// TagName is valid when OnAttributeRender is called.
return _elementSpecificAttributes[TagName] != null && ((Hashtable)_elementSpecificAttributes[TagName])[name] != null;
}
///
/// [To be supplied.]
///
protected override bool OnStyleAttributeRender(string name,string value, HtmlTextWriterStyle key) {
if (_docType == XhtmlMobileDocType.XhtmlBasic) {
return false;
}
if (TagName.ToLower(CultureInfo.InvariantCulture).Equals("div") && name.ToLower(CultureInfo.InvariantCulture).Equals("border-collapse")) {
return false;
}
return true;
}
///
/// [To be supplied.]
///
public virtual void RemoveRecognizedAttribute(string elementName, string attributeName) {
Hashtable eltAttributes = (Hashtable) _elementSpecificAttributes[elementName];
if (eltAttributes == null) {
eltAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase);
_elementSpecificAttributes[elementName] = eltAttributes;
}
if (_commonAttributes[attributeName] == null || _suppressCommonAttributes[elementName] != null) {
// Note: Hashtable::Remove silently continues if the key does not exist.
eltAttributes.Remove(attributeName);
return;
}
// (...else) This is an edge case. The call removes a common attribute, so we need to add each common attribute and remove the
// except the specified one.
_suppressCommonAttributes[elementName] = true;
foreach(string key in _commonAttributes.Keys) {
if (key != attributeName) {
eltAttributes.Add(attributeName, true);
}
}
}
///
/// [To be supplied.]
///
public virtual void SetDocType(XhtmlMobileDocType docType) {
_docType = docType;
if (docType != XhtmlMobileDocType.XhtmlBasic && _commonAttributes["style"] == null) {
_commonAttributes.Add("style", true);
}
}
///
/// [To be supplied.]
///
public override void WriteBreak() {
WriteFullBeginTag("br/");
}
protected Hashtable CommonAttributes {
get {
return _commonAttributes;
}
}
protected Hashtable ElementSpecificAttributes {
get {
return _elementSpecificAttributes;
}
}
protected Hashtable SuppressCommonAttributes {
get {
return _suppressCommonAttributes;
}
}
}
///
/// [To be supplied.]
///
public enum XhtmlMobileDocType {
XhtmlBasic,
XhtmlMobileProfile,
Wml20
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI {
using System;
using System.Collections;
using System.Collections.Specialized;
using System.IO;
using System.Text;
using System.Globalization;
using System.Security.Permissions;
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public class XhtmlTextWriter : HtmlTextWriter {
private Hashtable _commonAttributes = new Hashtable();
// For _elementSpecificAttributes, each hashtable value is a hashtable. If an attribute name appears as a key
// in the hashtable corresponding to an element, the attribute is passed through.
private Hashtable _elementSpecificAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase);
private Hashtable _suppressCommonAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase);
private XhtmlMobileDocType _docType;
internal override bool RenderDivAroundHiddenInputs {
get {
return false;
}
}
public XhtmlTextWriter(TextWriter writer) : this(writer, DefaultTabString) {
}
public XhtmlTextWriter(TextWriter writer, string tabString) : base(writer, tabString) {
// Common attributes are defined in the xhtml modularization spec. They are allowed by the writer unless
// _suppressCommonAttribues["elementName"] is nonnull.
_commonAttributes.Add("class", true);
_commonAttributes.Add("id", true);
_commonAttributes.Add("title", true);
_commonAttributes.Add("xml:lang", true);
// Note: "Dir" attribute is included in I18N if the bidirectional text module is included. Since
// this is not the case in XHTML-MP, omit the dir attribute.
// See http://www.wapforum.org/tech/documents/WAP-277-XHTMLMP-20011029-a.pdf and
// http://www.w3.org/TR/xhtml-modularization/abstract_modules.html.
// See also VSWhidbey 228858.
// _commonAttributes.Add("dir", true);
// Note: style attribute is added in SetDocType in case doctype is XHTML-MP or WML20. In XHTML Basic, it is disallowed.
// Initialize dictionary lookup of attributes by element.
// Structure Module
// body elt has only common attributes.
AddRecognizedAttributes("head", "xml:lang");
_suppressCommonAttributes["head"] = true; // common attributes are disallowed for this elt.
AddRecognizedAttributes("html", "xml:lang", "version", "xmlns");
_suppressCommonAttributes["html"] = true; // common attributes are disallowed for this elt.
AddRecognizedAttributes("title", "xml:lang");
_suppressCommonAttributes["title"] = true; // common attributes are disallowed for this elt.
// Text module
// abbr, acronym, address have only common attributes.
AddRecognizedAttributes("blockquote", "cite");
AddRecognizedAttributes("br", "class", "id", "title"); // br allows only core attributes.
_suppressCommonAttributes["br"] = true;
// cite, code, dfn, div, em, h1-h6, kbd, p have only common attributes.
AddRecognizedAttributes("pre", "xml:space");
AddRecognizedAttributes("q", "cite");
// samp, span, strong, var have only common attributes.
// Hypertext module
AddRecognizedAttributes("a", "accesskey", "charset", "href", "hreflang", "rel", "rev", "tabindex", "type", "title");
// List module
// dl, dt, dd, ol, ul, li have only common attributes.
// Basic Forms module
AddRecognizedAttributes("form", "action", "method", "enctype");
AddRecognizedAttributes("input", "accesskey", "checked", "maxlength", "name", "size", "src", "tabindex", "type", "value", "title", "disabled");
AddRecognizedAttributes("label", "accesskey");
AddRecognizedAttributes("label", "for");
AddRecognizedAttributes("select", "multiple", "name", "size", "tabindex", "disabled");
AddRecognizedAttributes("option", "selected", "value");
AddRecognizedAttributes("textarea", "accesskey", "cols", "name", "rows", "tabindex");
// Basic Tables module
// caption has only common attributes.
AddRecognizedAttributes("table", "summary", "width");
AddRecognizedAttributes("td", "abbr", "align", "axis", "colspan", "headers", "rowspan", "scope", "valign");
AddRecognizedAttributes("th", "abbr", "align", "axis", "colspan", "headers", "rowspan", "scope", "valign");
AddRecognizedAttributes("tr", "align", "valign");
// Image module
AddRecognizedAttributes("img", "alt", "height", "longdesc", "src", "width");
// Object module
AddRecognizedAttributes("object", "archive", "classid", "codebase", "codetype", "data", "declare", "height", "name",
"standby", "tabindex", "type", "width");
AddRecognizedAttributes("param", "id", "name", "type", "value", "valuetype");
// Metainformation module
AddRecognizedAttributes("meta", "xml:lang", "content", "http-equiv", "name", "scheme");
_suppressCommonAttributes["meta"] = true; // common attributes are disallowed for this elt.
// Link module
AddRecognizedAttributes("link", "charset", "href", "hreflang", "media", "rel", "rev", "type");
// Base module
AddRecognizedAttributes("base", "href");
_suppressCommonAttributes["base"] = true; // common attributes are disallowed for this elt.
// Partial Forms module
// fieldset has only common attributes.
AddRecognizedAttributes("optgroup", "disabled", "label");
// Partial Legacy module
AddRecognizedAttributes("ol", "start");
AddRecognizedAttributes("li", "value");
// Partial Presentation module
// b, big, hr, i, small have only common attributes
// Style module
AddRecognizedAttributes("style", "xml:lang", "media", "title", "type", "xml:space");
_suppressCommonAttributes["style"] = true; // common attributes are disallowed for this elt.
}
///
/// [To be supplied.]
///
public virtual void AddRecognizedAttribute(string elementName, string attributeName) {
AddRecognizedAttributes(elementName, attributeName);
}
private void AddRecognizedAttributes(string elementName, params string[] attributes) {
Hashtable eltAttributes = (Hashtable) _elementSpecificAttributes[elementName];
if (eltAttributes == null) {
eltAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase);
_elementSpecificAttributes[elementName] = eltAttributes;
}
foreach(string attribute in attributes) {
eltAttributes.Add(attribute, true);
}
}
///
/// [To be supplied.]
///
public override bool IsValidFormAttribute(string attributeName) {
Hashtable formAttributes = (Hashtable)_elementSpecificAttributes["form"];
return (formAttributes != null) && (formAttributes[attributeName] != null);
}
///
/// [To be supplied.]
///
protected override bool OnAttributeRender(string name, string value, HtmlTextWriterAttribute key) {
if (_commonAttributes[name] != null && _suppressCommonAttributes[TagName] == null) {
return true;
}
// TagName is valid when OnAttributeRender is called.
return _elementSpecificAttributes[TagName] != null && ((Hashtable)_elementSpecificAttributes[TagName])[name] != null;
}
///
/// [To be supplied.]
///
protected override bool OnStyleAttributeRender(string name,string value, HtmlTextWriterStyle key) {
if (_docType == XhtmlMobileDocType.XhtmlBasic) {
return false;
}
if (TagName.ToLower(CultureInfo.InvariantCulture).Equals("div") && name.ToLower(CultureInfo.InvariantCulture).Equals("border-collapse")) {
return false;
}
return true;
}
///
/// [To be supplied.]
///
public virtual void RemoveRecognizedAttribute(string elementName, string attributeName) {
Hashtable eltAttributes = (Hashtable) _elementSpecificAttributes[elementName];
if (eltAttributes == null) {
eltAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase);
_elementSpecificAttributes[elementName] = eltAttributes;
}
if (_commonAttributes[attributeName] == null || _suppressCommonAttributes[elementName] != null) {
// Note: Hashtable::Remove silently continues if the key does not exist.
eltAttributes.Remove(attributeName);
return;
}
// (...else) This is an edge case. The call removes a common attribute, so we need to add each common attribute and remove the
// except the specified one.
_suppressCommonAttributes[elementName] = true;
foreach(string key in _commonAttributes.Keys) {
if (key != attributeName) {
eltAttributes.Add(attributeName, true);
}
}
}
///
/// [To be supplied.]
///
public virtual void SetDocType(XhtmlMobileDocType docType) {
_docType = docType;
if (docType != XhtmlMobileDocType.XhtmlBasic && _commonAttributes["style"] == null) {
_commonAttributes.Add("style", true);
}
}
///
/// [To be supplied.]
///
public override void WriteBreak() {
WriteFullBeginTag("br/");
}
protected Hashtable CommonAttributes {
get {
return _commonAttributes;
}
}
protected Hashtable ElementSpecificAttributes {
get {
return _elementSpecificAttributes;
}
}
protected Hashtable SuppressCommonAttributes {
get {
return _suppressCommonAttributes;
}
}
}
///
/// [To be supplied.]
///
public enum XhtmlMobileDocType {
XhtmlBasic,
XhtmlMobileProfile,
Wml20
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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