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/*
* Firebird ADO.NET Data provider for .NET and Mono
*
* The contents of this file are subject to the Initial
* Developer's Public License Version 1.0 (the "License");
* you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
* http://www.firebirdsql.org/index.php?op=doc&id=idpl
*
* Software distributed under the License is distributed on
* an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either
* express or implied. See the License for the specific
* language governing rights and limitations under the License.
*
* Copyright (c) 2002, 2005 Carlos Guzman Alvarez
* All Rights Reserved.
*/
using System;
using System.IO;
using System.Text;
using System.Net;
namespace FirebirdSql.Data.Common
{
internal abstract class ParameterBuffer
{
#region Fields
private MemoryStream stream;
private bool isLittleEndian;
#endregion
#region Properties
public short Length
{
get { return (short)this.ToArray().Length; }
}
#endregion
#region Protected properties
protected bool IsLittleEndian
{
get { return this.isLittleEndian; }
}
#endregion
#region Constructors
protected ParameterBuffer() : this(false)
{
}
protected ParameterBuffer(bool isLittleEndian)
{
this.stream = new MemoryStream();
this.isLittleEndian = isLittleEndian;
}
#endregion
#region Protected Methods
protected void WriteByte(int value)
{
this.WriteByte((byte)value);
}
protected void WriteByte(byte value)
{
this.stream.WriteByte(value);
}
protected void Write(short value)
{
if (!this.IsLittleEndian)
{
value = (short)IPAddress.NetworkToHostOrder(value);
}
byte[] buffer = BitConverter.GetBytes(value);
this.stream.Write(buffer, 0, buffer.Length);
}
protected void Write(int value)
{
if (!this.IsLittleEndian)
{
value = (int)IPAddress.NetworkToHostOrder(value);
}
byte[] buffer = BitConverter.GetBytes(value);
this.stream.Write(buffer, 0, buffer.Length);
}
protected void Write(byte[] buffer)
{
this.Write(buffer, 0, buffer.Length);
}
protected void Write(byte[] buffer, int offset, int count)
{
this.stream.Write(buffer, offset, count);
}
#endregion
#region Methods
public virtual void Append(int type)
{
this.WriteByte(type);
}
public byte[] ToArray()
{
return stream.ToArray();
}
#endregion
}
}
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