// Matt Kimball (matt@kimball.net)
//
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// 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.
+//
+
using System;
using System.Text;
+using System.Globalization;
+using Mono.Security;
namespace System.IO {
+ [Serializable]
public class BinaryWriter : IDisposable {
- public static readonly BinaryWriter Null;
+
+ // Null is a BinaryWriter with no backing store.
+ public static readonly BinaryWriter Null = new BinaryWriter ();
protected Stream OutStream;
- Encoding m_encoding;
-
- protected BinaryWriter() {
- m_encoding = Encoding.UTF8;
+ private Encoding m_encoding;
+ private byte [] buffer;
+ private bool disposed = false;
+
+ protected BinaryWriter() : this (Stream.Null, Encoding.UTF8Unmarked) {
}
- public BinaryWriter(Stream output) : this(output, Encoding.UTF8) {
+ public BinaryWriter(Stream output) : this(output, Encoding.UTF8Unmarked) {
}
public BinaryWriter(Stream output, Encoding encoding) {
if (output == null || encoding == null)
- throw new ArgumentNullException();
+ throw new ArgumentNullException(Locale.GetText ("Output or Encoding is a null reference."));
if (!output.CanWrite)
- throw new ArgumentException();
+ throw new ArgumentException(Locale.GetText ("Stream does not support writing or already closed."));
OutStream = output;
m_encoding = encoding;
+ buffer = new byte [16];
}
public virtual Stream BaseStream {
}
public virtual void Close() {
- Dispose();
+ Dispose (true);
}
- public virtual void Dispose() {
- OutStream.Close();
- OutStream.Dispose();
+ void IDisposable.Dispose() {
+ Dispose (true);
+ }
+
+ protected virtual void Dispose (bool disposing)
+ {
+ if (disposing && OutStream != null)
+ OutStream.Close();
+
+ buffer = null;
+ m_encoding = null;
+ disposed = true;
}
public virtual void Flush() {
}
public virtual long Seek(int offset, SeekOrigin origin) {
+
return OutStream.Seek(offset, origin);
}
public virtual void Write(bool value) {
- OutStream.Write(BitConverter.GetBytes(value), 0, 1);
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ buffer [0] = (byte) (value ? 1 : 0);
+ OutStream.Write(buffer, 0, 1);
}
public virtual void Write(byte value) {
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
OutStream.WriteByte(value);
}
public virtual void Write(byte[] value) {
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ if (value == null)
+ throw new ArgumentNullException(Locale.GetText ("Byte buffer is a null reference."));
OutStream.Write(value, 0, value.Length);
}
public virtual void Write(byte[] value, int offset, int length) {
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ if (value == null)
+ throw new ArgumentNullException(Locale.GetText ("Byte buffer is a null reference."));
OutStream.Write(value, offset, length);
}
public virtual void Write(char value) {
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
char[] dec = new char[1];
dec[0] = value;
byte[] enc = m_encoding.GetBytes(dec, 0, 1);
}
public virtual void Write(char[] value) {
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ if (value == null)
+ throw new ArgumentNullException(Locale.GetText ("Chars is a null reference."));
byte[] enc = m_encoding.GetBytes(value, 0, value.Length);
OutStream.Write(enc, 0, enc.Length);
}
public virtual void Write(char[] value, int offset, int length) {
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ if (value == null)
+ throw new ArgumentNullException(Locale.GetText ("Chars is a null reference."));
byte[] enc = m_encoding.GetBytes(value, offset, length);
OutStream.Write(enc, 0, enc.Length);
}
unsafe public virtual void Write(decimal value) {
- byte[] to_write = new byte[16];
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
byte* value_ptr = (byte *)&value;
- for (int i = 0; i < 16; i++) {
- to_write[i] = value_ptr[i];
+
+ /*
+ * decimal in stream is lo32, mi32, hi32, ss32
+ * but its internal structure si ss32, hi32, lo32, mi32
+ */
+
+ if (BitConverter.IsLittleEndian) {
+ for (int i = 0; i < 16; i++) {
+ if (i < 4)
+ buffer [i + 12] = value_ptr [i];
+ else if (i < 8)
+ buffer [i + 4] = value_ptr [i];
+ else if (i < 12)
+ buffer [i - 8] = value_ptr [i];
+ else
+ buffer [i - 8] = value_ptr [i];
+ }
+ } else {
+ for (int i = 0; i < 16; i++) {
+ if (i < 4)
+ buffer [15 - i] = value_ptr [i];
+ else if (i < 8)
+ buffer [15 - i] = value_ptr [i];
+ else if (i < 12)
+ buffer [11 - i] = value_ptr [i];
+ else
+ buffer [19 - i] = value_ptr [i];
+ }
}
- OutStream.Write(to_write, 0, 16);
+ OutStream.Write(buffer, 0, 16);
}
public virtual void Write(double value) {
- OutStream.Write(BitConverter.GetBytes(value), 0, 8);
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ OutStream.Write(BitConverterLE.GetBytes(value), 0, 8);
}
public virtual void Write(short value) {
- OutStream.Write(BitConverter.GetBytes(value), 0, 2);
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ buffer [0] = (byte) value;
+ buffer [1] = (byte) (value >> 8);
+ OutStream.Write(buffer, 0, 2);
}
public virtual void Write(int value) {
- OutStream.Write(BitConverter.GetBytes(value), 0, 4);
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ buffer [0] = (byte) value;
+ buffer [1] = (byte) (value >> 8);
+ buffer [2] = (byte) (value >> 16);
+ buffer [3] = (byte) (value >> 24);
+ OutStream.Write(buffer, 0, 4);
}
public virtual void Write(long value) {
- OutStream.Write(BitConverter.GetBytes(value), 0, 8);
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ for (int i = 0, sh = 0; i < 8; i++, sh += 8)
+ buffer [i] = (byte) (value >> sh);
+ OutStream.Write(buffer, 0, 8);
}
[CLSCompliant(false)]
- unsafe public virtual void Write(sbyte value) {
- byte[] to_write = new byte[1];
+ public virtual void Write(sbyte value) {
- to_write[0] = *(byte *)&value;
- OutStream.Write(to_write, 0, 1);
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ buffer [0] = (byte) value;
+ OutStream.Write(buffer, 0, 1);
}
public virtual void Write(float value) {
- OutStream.Write(BitConverter.GetBytes(value), 0, 4);
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ OutStream.Write(BitConverterLE.GetBytes(value), 0, 4);
}
+ byte [] stringBuffer;
+ int maxCharsPerRound;
+
public virtual void Write(string value) {
- Write7BitEncodedInt(value.Length);
- byte[] enc = m_encoding.GetBytes(value);
- OutStream.Write(enc, 0, enc.Length);
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ int len = m_encoding.GetByteCount (value);
+ Write7BitEncodedInt (len);
+
+ if (stringBuffer == null) {
+ stringBuffer = new byte [512];
+ maxCharsPerRound = 512 / m_encoding.GetMaxByteCount (1);
+ }
+
+ int chpos = 0;
+ int chrem = value.Length;
+ while (chrem > 0) {
+ int cch = (chrem > maxCharsPerRound) ? maxCharsPerRound : chrem;
+ int blen = m_encoding.GetBytes (value, chpos, cch, stringBuffer, 0);
+ OutStream.Write (stringBuffer, 0, blen);
+
+ chpos += cch;
+ chrem -= cch;
+ }
}
[CLSCompliant(false)]
public virtual void Write(ushort value) {
- OutStream.Write(BitConverter.GetBytes(value), 0, 2);
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ buffer [0] = (byte) value;
+ buffer [1] = (byte) (value >> 8);
+ OutStream.Write(buffer, 0, 2);
}
[CLSCompliant(false)]
public virtual void Write(uint value) {
- OutStream.Write(BitConverter.GetBytes(value), 0, 4);
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ buffer [0] = (byte) value;
+ buffer [1] = (byte) (value >> 8);
+ buffer [2] = (byte) (value >> 16);
+ buffer [3] = (byte) (value >> 24);
+ OutStream.Write(buffer, 0, 4);
}
[CLSCompliant(false)]
public virtual void Write(ulong value) {
- OutStream.Write(BitConverter.GetBytes(value), 0, 8);
+
+ if (disposed)
+ throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
+
+ for (int i = 0, sh = 0; i < 8; i++, sh += 8)
+ buffer [i] = (byte) (value >> sh);
+ OutStream.Write(buffer, 0, 8);
}
protected void Write7BitEncodedInt(int value) {
projects / mono.git / blobdiff