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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange (mailto:Stefan.Lange@pdfsharp.com)
//
// Copyright (c) 2005-2008 empira Software GmbH, Cologne (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
using System;
using System.Text;
namespace PdfSharp.Pdf.Internal
{
/// <summary>
/// An encoder for raw strings. The raw encoding is simply the identity relation between
/// charachters and bytes. PDFsharp internally works with raw encoded strings instead of
/// byte arrays because strings are much more handy than byte arrays.
/// </summary>
internal sealed class RawEncoding : Encoding
{
public RawEncoding()
{
}
public override int GetByteCount(char[] chars, int index, int count)
{
return count;
}
public override int GetBytes(char[] chars, int charIndex, int charCount, byte[] bytes, int byteIndex)
{
for (int count = charCount; count > 0; charIndex++, byteIndex++, count--)
bytes[byteIndex] = (byte)chars[charIndex];
return charCount;
}
public override int GetCharCount(byte[] bytes, int index, int count)
{
return count;
}
public override int GetChars(byte[] bytes, int byteIndex, int byteCount, char[] chars, int charIndex)
{
for (int count = byteCount; count > 0; byteIndex++, charIndex++, count--)
chars[charIndex] = (char)bytes[byteIndex];
return byteCount;
}
public override int GetMaxByteCount(int charCount)
{
return charCount;
}
public override int GetMaxCharCount(int byteCount)
{
return byteCount;
}
}
}
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