Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / Adapters / EmptyTextWriter.cs / 1305376 / EmptyTextWriter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.CodeDom.Compiler; using System.Collections; using System.Globalization; using System.IO; using System.Text; using System.Web.Mobile; using System.Web.UI.MobileControls; #if COMPILING_FOR_SHIPPED_SOURCE namespace System.Web.UI.MobileControls.ShippedAdapterSource #else namespace System.Web.UI.MobileControls.Adapters #endif { /* * EmptyTextWriter class. Like the Null text writer, but keeps track of whether * anything was written or not. * * Copyright (c) 2000 Microsoft Corporation */ [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")] internal class EmptyTextWriter : TextWriter { #if UNUSED_CODE bool _writeCalled = false; #endif bool _nonWhiteSpaceWritten = false; internal EmptyTextWriter() : base(CultureInfo.CurrentCulture) { } #if UNUSED_CODE internal /*public*/ bool WriteCalled { get { return _writeCalled; } } #endif internal /*public*/ bool NonWhiteSpaceWritten { get { return _nonWhiteSpaceWritten; } } internal /*public*/ void Reset() { #if UNUSED_CODE _writeCalled = false; #endif _nonWhiteSpaceWritten = false; } public override void Write(string s) { #if UNUSED_CODE _writeCalled = true; #endif if (!IsWhiteSpace(s)) { _nonWhiteSpaceWritten = true; } } public override void Write(bool value) { #if UNUSED_CODE _writeCalled = true; #endif _nonWhiteSpaceWritten = true; } public override void Write(char value) { #if UNUSED_CODE _writeCalled = true; #endif _nonWhiteSpaceWritten = true; } public override void Write(char[] buffer) { #if UNUSED_CODE _writeCalled = true; #endif if (!IsWhiteSpace(buffer)) { _nonWhiteSpaceWritten = true; } } public override void Write(char[] buffer, int index, int count) { #if UNUSED_CODE _writeCalled = true; #endif if (!IsWhiteSpace(buffer, index, count)) { _nonWhiteSpaceWritten = true; } } public override void Write(double value) { #if UNUSED_CODE _writeCalled = true; #endif _nonWhiteSpaceWritten = true; } public override void Write(float value) { #if UNUSED_CODE _writeCalled = true; #endif _nonWhiteSpaceWritten = true; } public override void Write(int value) { #if UNUSED_CODE _writeCalled = true; #endif _nonWhiteSpaceWritten = true; } public override void Write(long value) { #if UNUSED_CODE _writeCalled = true; #endif _nonWhiteSpaceWritten = true; } public override void Write(Object value) { #if UNUSED_CODE _writeCalled = true; #endif if (value != null && !IsWhiteSpace(value.ToString())) { _nonWhiteSpaceWritten = true; } } public override void Write(String format, Object arg0) { #if UNUSED_CODE _writeCalled = true; #endif if (!IsWhiteSpace(format) && !IsWhiteSpace(String.Format(CultureInfo.CurrentCulture, format, arg0))) { _nonWhiteSpaceWritten = true; } } public override void Write(String format, Object arg0, Object arg1) { #if UNUSED_CODE _writeCalled = true; #endif if (!IsWhiteSpace(format) && !IsWhiteSpace(String.Format(CultureInfo.CurrentCulture, format, arg0, arg1))) { _nonWhiteSpaceWritten = true; } } public override void Write(String format, params object[] arg) { #if UNUSED_CODE _writeCalled = true; #endif if (!IsWhiteSpace(format) && !IsWhiteSpace(String.Format(CultureInfo.CurrentCulture, format, arg))) { _nonWhiteSpaceWritten = true; } } public override void WriteLine(string s) { #if UNUSED_CODE _writeCalled = true; #endif if (!IsWhiteSpace(s)) { _nonWhiteSpaceWritten = true; } } public override void WriteLine(bool value) { #if UNUSED_CODE _writeCalled = true; #endif _nonWhiteSpaceWritten = true; } public override void WriteLine(char value) { #if UNUSED_CODE _writeCalled = true; #endif _nonWhiteSpaceWritten = true; } public override void WriteLine(char[] buffer) { #if UNUSED_CODE _writeCalled = true; #endif if (!IsWhiteSpace(buffer)) { _nonWhiteSpaceWritten = true; } } public override void WriteLine(char[] buffer, int index, int count) { #if UNUSED_CODE _writeCalled = true; #endif if (!IsWhiteSpace(buffer, index, count)) { _nonWhiteSpaceWritten = true; } } public override void WriteLine(double value) { #if UNUSED_CODE _writeCalled = true; #endif _nonWhiteSpaceWritten = true; } public override void WriteLine(float value) { #if UNUSED_CODE _writeCalled = true; #endif _nonWhiteSpaceWritten = true; } public override void WriteLine(int value) { #if UNUSED_CODE _writeCalled = true; #endif _nonWhiteSpaceWritten = true; } public override void WriteLine(long value) { #if UNUSED_CODE _writeCalled = true; #endif _nonWhiteSpaceWritten = true; } public override void WriteLine(Object value) { #if UNUSED_CODE _writeCalled = true; #endif if (value != null && !IsWhiteSpace(value.ToString())) { _nonWhiteSpaceWritten = true; } } public override void WriteLine(String format, Object arg0) { #if UNUSED_CODE _writeCalled = true; #endif if (!IsWhiteSpace(format) && !IsWhiteSpace(String.Format(CultureInfo.CurrentCulture, format, arg0))) { _nonWhiteSpaceWritten = true; } } public override void WriteLine(String format, Object arg0, Object arg1) { #if UNUSED_CODE _writeCalled = true; #endif if (!IsWhiteSpace(format) && !IsWhiteSpace(String.Format(CultureInfo.CurrentCulture, format, arg0, arg1))) { _nonWhiteSpaceWritten = true; } } public override void WriteLine(String format, params object[] arg) { #if UNUSED_CODE _writeCalled = true; #endif if (!IsWhiteSpace(format) && !IsWhiteSpace(String.Format(CultureInfo.CurrentCulture, format, arg))) { _nonWhiteSpaceWritten = true; } } public override void WriteLine(UInt32 value) { #if UNUSED_CODE _writeCalled = true; #endif _nonWhiteSpaceWritten = true; } public override Encoding Encoding { get { return Encoding.UTF8; } } private static bool IsWhiteSpace(String s) { if (s == null) { return true; } for (int i = s.Length - 1; i >= 0; i--) { char c = s[i]; if (c != '\r' && c != '\n' && !Char.IsWhiteSpace(c)) { return false; } } return true; } private static bool IsWhiteSpace(char[] buffer) { if (buffer == null) { return true; } return IsWhiteSpace(buffer, 0, buffer.Length); } private static bool IsWhiteSpace(char[] buffer, int index, int count) { if (buffer == null) { return true; } for (int i = 0; i < count; i++) { char c = buffer[index + i]; if (c != '\r' && c != '\n' && !Char.IsWhiteSpace(c)) { return false; } } return true; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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