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-rw-r--r--csharp/src/ProtocolBuffers/TextGenerator.cs159
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diff --git a/csharp/src/ProtocolBuffers/TextGenerator.cs b/csharp/src/ProtocolBuffers/TextGenerator.cs
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--- a/csharp/src/ProtocolBuffers/TextGenerator.cs
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-#region Copyright notice and license
-
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc. All rights reserved.
-// http://github.com/jskeet/dotnet-protobufs/
-// Original C++/Java/Python code:
-// http://code.google.com/p/protobuf/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#endregion
-
-using System;
-using System.IO;
-using System.Text;
-
-namespace Google.ProtocolBuffers
-{
- /// <summary>
- /// Helper class to control indentation. Used for TextFormat and by ProtoGen.
- /// </summary>
- public sealed class TextGenerator
- {
- /// <summary>
- /// The string to use at the end of each line. We assume that "Print" is only called using \n
- /// to indicate a line break; that's what we use to detect when we need to indent etc, and
- /// *just* the \n is replaced with the contents of lineBreak.
- /// </summary>
- private readonly string lineBreak;
-
- /// <summary>
- /// Writer to write formatted text to.
- /// </summary>
- private readonly TextWriter writer;
-
- /// <summary>
- /// Keeps track of whether the next piece of text should be indented
- /// </summary>
- private bool atStartOfLine = true;
-
- /// <summary>
- /// Keeps track of the current level of indentation
- /// </summary>
- private readonly StringBuilder indent = new StringBuilder();
-
- /// <summary>
- /// Creates a generator writing to the given writer. The writer
- /// is not closed by this class.
- /// </summary>
- public TextGenerator(TextWriter writer, string lineBreak)
- {
- this.writer = writer;
- this.lineBreak = lineBreak;
- }
-
- /// <summary>
- /// Indents text by two spaces. After calling Indent(), two spaces
- /// will be inserted at the beginning of each line of text. Indent() may
- /// be called multiple times to produce deeper indents.
- /// </summary>
- public void Indent()
- {
- indent.Append(" ");
- }
-
- /// <summary>
- /// Reduces the current indent level by two spaces.
- /// </summary>
- public void Outdent()
- {
- if (indent.Length == 0)
- {
- throw new InvalidOperationException("Too many calls to Outdent()");
- }
- indent.Length -= 2;
- }
-
- public void WriteLine(string text)
- {
- Print(text);
- Print("\n");
- }
-
- public void WriteLine(string format, params object[] args)
- {
- WriteLine(string.Format(format, args));
- }
-
- public void WriteLine()
- {
- WriteLine("");
- }
-
- /// <summary>
- /// Prints the given text to the output stream, indenting at line boundaries.
- /// </summary>
- /// <param name="text"></param>
- public void Print(string text)
- {
- int pos = 0;
-
- for (int i = 0; i < text.Length; i++)
- {
- if (text[i] == '\n')
- {
- // Strip off the \n from what we write
- Write(text.Substring(pos, i - pos));
- Write(lineBreak);
- pos = i + 1;
- atStartOfLine = true;
- }
- }
- Write(text.Substring(pos));
- }
-
- public void Write(string format, params object[] args)
- {
- Write(string.Format(format, args));
- }
-
- private void Write(string data)
- {
- if (data.Length == 0)
- {
- return;
- }
- if (atStartOfLine)
- {
- atStartOfLine = false;
- writer.Write(indent);
- }
- writer.Write(data);
- }
- }
-} \ No newline at end of file