{
using System;
+using System.Runtime.InteropServices;
[Serializable]
-[MonoTODO ("Fix serialization compatibility with MS.NET")]
+#if NET_2_0
+[ComVisible (true)]
+#endif
+[MonoTODO ("Serialization format not compatible with .NET")]
public class ASCIIEncoding : Encoding
{
// Magic number used by Windows for "ASCII".
}
#if NET_2_0
+ [ComVisible (false)]
public override bool IsSingleByte {
get { return true; }
}
// Get the characters that result from decoding a byte buffer.
public override int GetChars (byte[] bytes, int byteIndex, int byteCount, char[] chars, int charIndex)
{
+#if NET_2_0
+// well, yes, I know this #if is ugly, but I think it is the simplest switch.
+ DecoderFallbackBuffer buffer = null;
+ return GetChars (bytes, byteIndex, byteCount, chars,
+ charIndex, ref buffer);
+ }
+
+ int GetChars (byte[] bytes, int byteIndex, int byteCount,
+ char[] chars, int charIndex,
+ ref DecoderFallbackBuffer buffer)
+ {
+#endif
if (bytes == null)
throw new ArgumentNullException ("bytes");
if (chars == null)
int count = byteCount;
while (count-- > 0) {
- char c = (char)(bytes [byteIndex++]);
- if (c > 127)
- c = '?';
- chars [charIndex++] = c;
+ char c = (char) bytes [byteIndex++];
+ if (c < '\x80')
+ chars [charIndex++] = c;
+ else {
+#if NET_2_0
+ if (buffer == null)
+ buffer = DecoderFallback.CreateFallbackBuffer ();
+ buffer.Fallback (bytes, byteIndex);
+ while (buffer.Remaining > 0)
+ chars [charIndex++] = buffer.GetNextChar ();
+#else
+ chars [charIndex++] = '?';
+#endif
+ }
}
return byteCount;
}
return String.Empty;
unsafe {
- fixed (byte *ss = &bytes [0]) {
- return new String ((sbyte*)ss, index, count);
+ fixed (byte* bytePtr = bytes) {
+ string s = string.InternalAllocateStr (count);
+
+ fixed (char* charPtr = s) {
+ byte* currByte = bytePtr + index;
+ byte* lastByte = currByte + count;
+ char* currChar = charPtr;
+
+ while (currByte < lastByte) {
+#if NET_2_0
+ byte b = currByte++ [0];
+ currChar++ [0] = b <= 0x7F ? (char) b : (char) '?';
+#else
+ // GetString is incompatible with GetChars
+ currChar++ [0] = (char) (currByte++ [0] & 0x7F);
+#endif
+ }
+ }
+
+ return s;
}
}
}
#if NET_2_0
[CLSCompliantAttribute (false)]
+ [ComVisible (false)]
public unsafe override int GetBytes (char *chars, int charCount, byte *bytes, int byteCount)
{
if (chars == null)
}
[CLSCompliantAttribute(false)]
+ [ComVisible (false)]
public unsafe override int GetChars (byte *bytes, int byteCount, char *chars, int charCount)
{
if (bytes == null)
}
[CLSCompliantAttribute(false)]
+ [ComVisible (false)]
public unsafe override int GetCharCount (byte *bytes, int count)
{
return count;
}
[CLSCompliantAttribute(false)]
+ [ComVisible (false)]
public unsafe override int GetByteCount (char *chars, int count)
{
return count;
if (bytes == null) {
throw new ArgumentNullException ("bytes");
}
- int count = bytes.Length;
- if (count == 0)
- return String.Empty;
- unsafe {
- fixed (byte *ss = &bytes [0]) {
- return new String ((sbyte*)ss, 0, count);
- }
- }
+
+ return GetString (bytes, 0, bytes.Length);
+ }
+#endif
+
+#if NET_2_0
+ [MonoTODO ("we have simple override to match method signature.")]
+ [ComVisible (false)]
+ public override Decoder GetDecoder ()
+ {
+ return base.GetDecoder ();
+ }
+
+ [MonoTODO ("we have simple override to match method signature.")]
+ [ComVisible (false)]
+ public override Encoder GetEncoder ()
+ {
+ return base.GetEncoder ();
}
#endif
-
}; // class ASCIIEncoding
}; // namespace System.Text