IndentedTextWriter.cs
Language: C#
License: LGPL
Copyright: (c) 2005 Atif Aziz. All rights reserved.
LOC: 220
a link from:
http://www.koders.com/csharp/fidB7A9F56C555A7B8D573A547ED28254393286C453.aspx?s=textwriter
#region License, Terms and Conditions
//
// Jayrock - JSON and JSON-RPC for Microsoft .NET Framework and Mono
// Written by Atif Aziz (atif.aziz@skybow.com)
// Copyright (c) 2005 Atif Aziz. All rights reserved.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License as published by the Free
// Software Foundation; either version 2.1 of the License, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
// details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this library; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
#endregion
namespace Jayrock
{
#region Imports
using System;
using System.Globalization;
using System.IO;
using System.Text;
#endregion
/// <summary>
/// Drop-in replacement for <see cref="System.CodeDom.Compiler.IndentedTextWriter"/>
/// that does not require a full-trust link and inheritance demand.
/// </summary>
public sealed class IndentedTextWriter : TextWriter
{
private TextWriter _writer;
private int _level;
private bool _tabsPending;
private string _tab;
public const string DefaultTabString = "\x20\x20\x20\x20";
public IndentedTextWriter(TextWriter writer) :
this(writer, DefaultTabString) {}
public IndentedTextWriter(TextWriter writer, string tabString) :
base(CultureInfo.InvariantCulture)
{
_writer = writer;
_tab = tabString;
_level = 0;
_tabsPending = false;
}
public override Encoding Encoding
{
get { return _writer.Encoding; }
}
public override string NewLine
{
get { return _writer.NewLine; }
set { _writer.NewLine = value; }
}
public int Indent
{
get { return _level; }
set { _level = value < 0 ? 0 : value; }
}
public TextWriter InnerWriter
{
get { return _writer; }
}
internal string TabString
{
get { return _tab; }
}
public override void Close()
{
_writer.Close();
}
public override void Flush()
{
_writer.Flush();
}
public override void Write(string s)
{
WritePendingTabs();
_writer.Write(s);
}
public override void Write(bool value)
{
WritePendingTabs();
_writer.Write(value);
}
public override void Write(char value)
{
WritePendingTabs();
_writer.Write(value);
}
public override void Write(char[] buffer)
{
WritePendingTabs();
_writer.Write(buffer);
}
public override void Write(char[] buffer, int index, int count)
{
WritePendingTabs();
_writer.Write(buffer, index, count);
}
public override void Write(double value)
{
WritePendingTabs();
_writer.Write(value);
}
public override void Write(float value)
{
WritePendingTabs();
_writer.Write(value);
}
public override void Write(int value)
{
WritePendingTabs();
_writer.Write(value);
}
public override void Write(long value)
{
WritePendingTabs();
_writer.Write(value);
}
public override void Write(object value)
{
WritePendingTabs();
_writer.Write(value);
}
public override void Write(string format, object arg0)
{
WritePendingTabs();
_writer.Write(format, arg0);
}
public override void Write(string format, object arg0, object arg1)
{
WritePendingTabs();
_writer.Write(format, arg0, arg1);
}
public override void Write(string format, params object[] arg)
{
WritePendingTabs();
_writer.Write(format, arg);
}
public void WriteLineNoTabs(string s)
{
_writer.WriteLine(s);
}
public override void WriteLine(string s)
{
WritePendingTabs();
_writer.WriteLine(s);
_tabsPending = true;
}
public override void WriteLine()
{
WritePendingTabs();
_writer.WriteLine();
_tabsPending = true;
}
public override void WriteLine(bool value)
{
WritePendingTabs();
_writer.WriteLine(value);
_tabsPending = true;
}
public override void WriteLine(char value)
{
WritePendingTabs();
_writer.WriteLine(value);
_tabsPending = true;
}
public override void WriteLine(char[] buffer)
{
WritePendingTabs();
_writer.WriteLine(buffer);
_tabsPending = true;
}
public override void WriteLine(char[] buffer, int index, int count)
{
WritePendingTabs();
_writer.WriteLine(buffer, index, count);
_tabsPending = true;
}
public override void WriteLine(double value)
{
WritePendingTabs();
_writer.WriteLine(value);
_tabsPending = true;
}
public override void WriteLine(float value)
{
WritePendingTabs();
_writer.WriteLine(value);
_tabsPending = true;
}
public override void WriteLine(int value)
{
WritePendingTabs();
_writer.WriteLine(value);
_tabsPending = true;
}
public override void WriteLine(long value)
{
WritePendingTabs();
_writer.WriteLine(value);
_tabsPending = true;
}
public override void WriteLine(object value)
{
WritePendingTabs();
_writer.WriteLine(value);
_tabsPending = true;
}
public override void WriteLine(string format, object arg0)
{
WritePendingTabs();
_writer.WriteLine(format, arg0);
_tabsPending = true;
}
public override void WriteLine(string format, object arg0, object arg1)
{
WritePendingTabs();
_writer.WriteLine(format, arg0, arg1);
_tabsPending = true;
}
public override void WriteLine(string format, params object[] arg)
{
WritePendingTabs();
_writer.WriteLine(format, arg);
_tabsPending = true;
}
private void WritePendingTabs()
{
if (!_tabsPending)
return;
_tabsPending = false;
for (int i = 0; i < _level; i++)
_writer.Write(_tab);
}
}
}