/*
Copyright 2006,2008 Stefano Chizzolini. http://clown.stefanochizzolini.it
Contributors:
* Stefano Chizzolini (original code developer, http://www.stefanochizzolini.it)
This file should be part of the source code distribution of "PDF Clown library"
(the Program): see the accompanying README files for more info.
This Program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later version.
This Program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY, either expressed or implied; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the License for more details.
You should have received a copy of the GNU General Public License along with this
Program (see README files); if not, go to the GNU website (http://www.gnu.org/).
Redistribution and use, with or without modification, are permitted provided that such
redistributions retain the above copyright notice, license and disclaimer, along with
this list of conditions.
*/
namespace it.stefanochizzolini.clown.tokens{
/**
<summary>Cross-reference table entry [PDF:1.6:3.4.3].</summary>
*/
public struct XRefEntry
{
#region types
/**
<summary>Cross-reference table entry usage [PDF:1.6:3.4.3].</summary>
*/
public enum UsageEnum
{
Undefined = 0,
Free,
InUse
}
#endregion
#region static
#region fields
/**
<summary>Unreusable generation [PDF:1.6:3.4.3].</summary>
*/
public static readonly int GenerationUnreusable = 65535;
#endregion
#endregion
#region dynamic
#region fields
private int number; // Object number.
private int generation; // Object generation.
private int offset; // Indirect-object offset (in-use entry) | Next free-object object number (free entry).
private UsageEnum usage; // Entry usage.
#endregion
#region constructors
public XRefEntry(
int number,
int generation,
int offset,
UsageEnum usage
)
{
this.number = number;
this.generation = generation;
this.offset = offset;
this.usage = usage;
}
#endregion
#region interface
#region public
/**
<summary>Gets the generation number.</summary>
*/
public int Generation
{
get{return generation;}
internal set{generation = value;}
}
/**
<summary>Gets the object number.</summary>
*/
public int Number
{
get{return number;}
internal set{number = value;}
}
/**
<summary>Gets the byte offset of the object data within the serialized file.</summary>
*/
public int Offset
{
get{return offset;}
internal set{offset = value;}
}
/**
<summary>Gets the usage state.</summary>
*/
public UsageEnum Usage
{
get{return usage;}
internal set{usage = value;}
}
#endregion
#endregion
#endregion
}
}
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