//
// System.IO.BinaryWriter
//
-// Author:
+// Authors:
// Matt Kimball (matt@kimball.net)
+// Marek Safar (marek.safar@gmail.com)
+//
+
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+// Copyright 2011 Xamarin Inc.
+//
+// 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;
+using System.Runtime.InteropServices;
namespace System.IO {
[Serializable]
+ [ComVisible (true)]
public class BinaryWriter : IDisposable {
// Null is a BinaryWriter with no backing store.
- public static readonly BinaryWriter Null;
+ public static readonly BinaryWriter Null = new BinaryWriter ();
protected Stream OutStream;
private Encoding m_encoding;
private byte [] buffer;
- private bool disposed = false;
+ byte [] stringBuffer;
+ int maxCharsPerRound;
+ bool disposed;
- static BinaryWriter() {
- Null = new BinaryWriter();
+ protected BinaryWriter() : this (Stream.Null, Encoding.UTF8UnmarkedUnsafe)
+ {
}
- protected BinaryWriter() : this (Stream.Null, Encoding.UTF8Unmarked) {
+ public BinaryWriter(Stream output) : this(output, Encoding.UTF8UnmarkedUnsafe)
+ {
}
-
- public BinaryWriter(Stream output) : this(output, Encoding.UTF8Unmarked) {
+
+#if NET_4_5
+ readonly bool leave_open;
+
+ public BinaryWriter(Stream output, Encoding encoding)
+ : this (output, encoding, false)
+ {
}
-
- public BinaryWriter(Stream output, Encoding encoding) {
- if (output == null || encoding == null)
- throw new ArgumentNullException(Locale.GetText ("Output or Encoding is a null reference."));
+
+ public BinaryWriter(Stream output, Encoding encoding, bool leaveOpen)
+#else
+ const bool leave_open = false;
+
+ public BinaryWriter(Stream output, Encoding encoding)
+#endif
+ {
+ if (output == null)
+ throw new ArgumentNullException("output");
+ if (encoding == null)
+ throw new ArgumentNullException("encoding");
if (!output.CanWrite)
throw new ArgumentException(Locale.GetText ("Stream does not support writing or already closed."));
+#if NET_4_5
+ leave_open = leaveOpen;
+#endif
OutStream = output;
m_encoding = encoding;
buffer = new byte [16];
public virtual Stream BaseStream {
get {
+ Flush ();
return OutStream;
}
}
Dispose (true);
}
- void IDisposable.Dispose() {
+#if NET_4_0 || NET_2_1
+ public void Dispose ()
+#else
+ void IDisposable.Dispose()
+#endif
+ {
Dispose (true);
}
protected virtual void Dispose (bool disposing)
{
- if (disposing && OutStream != null)
+ if (disposing && OutStream != null && !leave_open)
OutStream.Close();
buffer = null;
OutStream.WriteByte(value);
}
- public virtual void Write(byte[] value) {
+ public virtual void Write(byte[] buffer) {
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);
+ if (buffer == null)
+ throw new ArgumentNullException("buffer");
+ OutStream.Write(buffer, 0, buffer.Length);
}
- public virtual void Write(byte[] value, int offset, int length) {
+ public virtual void Write(byte[] buffer, int index, int count) {
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);
+ if (buffer == null)
+ throw new ArgumentNullException("buffer");
+ OutStream.Write(buffer, index, count);
}
- public virtual void Write(char value) {
+ public virtual void Write(char ch) {
if (disposed)
throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
char[] dec = new char[1];
- dec[0] = value;
+ dec[0] = ch;
byte[] enc = m_encoding.GetBytes(dec, 0, 1);
OutStream.Write(enc, 0, enc.Length);
}
- public virtual void Write(char[] value) {
+ public virtual void Write(char[] chars) {
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);
+ if (chars == null)
+ throw new ArgumentNullException("chars");
+ byte[] enc = m_encoding.GetBytes(chars, 0, chars.Length);
OutStream.Write(enc, 0, enc.Length);
}
- public virtual void Write(char[] value, int offset, int length) {
+ public virtual void Write(char[] chars, int index, int count) {
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);
+ if (chars == null)
+ throw new ArgumentNullException("chars");
+ byte[] enc = m_encoding.GetBytes(chars, index, count);
OutStream.Write(enc, 0, enc.Length);
}
throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
byte* value_ptr = (byte *)&value;
- for (int i = 0; i < 16; i++) {
-
- /*
- * decimal in stream is lo32, mi32, hi32, ss32
- * but its internal structure si ss32, hi32, lo32, mi32
- */
- 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];
+
+ /*
+ * 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(buffer, 0, 16);
if (disposed)
throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
- OutStream.Write(BitConverter.GetBytes(value), 0, 8);
+ OutStream.Write(BitConverterLE.GetBytes(value), 0, 8);
}
public virtual void Write(short value) {
if (disposed)
throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
- OutStream.Write(BitConverter.GetBytes(value), 0, 4);
+ OutStream.Write(BitConverterLE.GetBytes(value), 0, 4);
}
-
+
public virtual void Write(string value) {
if (disposed)
throw new ObjectDisposedException ("BinaryWriter", "Cannot write to a closed BinaryWriter");
- /* The length field is the byte count, not the
- * char count
- */
- byte[] enc = m_encoding.GetBytes(value);
- Write7BitEncodedInt(enc.Length);
- OutStream.Write(enc, 0, enc.Length);
+ 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)]
projects / mono.git / blobdiff