547 lines
16 KiB
C#
547 lines
16 KiB
C#
using System.Diagnostics.CodeAnalysis;
|
|
|
|
namespace System.Text;
|
|
|
|
internal abstract class EncodingNLS : Encoding
|
|
{
|
|
private string _encodingName;
|
|
|
|
private string _webName;
|
|
|
|
public override string EncodingName
|
|
{
|
|
get
|
|
{
|
|
if (_encodingName == null)
|
|
{
|
|
_encodingName = GetLocalizedEncodingNameResource(CodePage);
|
|
if (_encodingName == null)
|
|
{
|
|
throw new NotSupportedException(System.SR.Format(System.SR.MissingEncodingNameResource, WebName, CodePage));
|
|
}
|
|
if (_encodingName.StartsWith("Globalization_cp_", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
_encodingName = System.Text.EncodingTable.GetEnglishNameFromCodePage(CodePage);
|
|
if (_encodingName == null)
|
|
{
|
|
throw new NotSupportedException(System.SR.Format(System.SR.MissingEncodingNameResource, WebName, CodePage));
|
|
}
|
|
}
|
|
}
|
|
return _encodingName;
|
|
}
|
|
}
|
|
|
|
public override string WebName
|
|
{
|
|
get
|
|
{
|
|
if (_webName == null)
|
|
{
|
|
_webName = System.Text.EncodingTable.GetWebNameFromCodePage(CodePage);
|
|
if (_webName == null)
|
|
{
|
|
throw new NotSupportedException(System.SR.Format(System.SR.NotSupported_NoCodepageData, CodePage));
|
|
}
|
|
}
|
|
return _webName;
|
|
}
|
|
}
|
|
|
|
public override string HeaderName => CodePage switch
|
|
{
|
|
932 => "iso-2022-jp",
|
|
50221 => "iso-2022-jp",
|
|
50225 => "euc-kr",
|
|
_ => WebName,
|
|
};
|
|
|
|
public override string BodyName => CodePage switch
|
|
{
|
|
932 => "iso-2022-jp",
|
|
1250 => "iso-8859-2",
|
|
1251 => "koi8-r",
|
|
1252 => "iso-8859-1",
|
|
1253 => "iso-8859-7",
|
|
1254 => "iso-8859-9",
|
|
50221 => "iso-2022-jp",
|
|
50225 => "iso-2022-kr",
|
|
_ => WebName,
|
|
};
|
|
|
|
protected EncodingNLS(int codePage)
|
|
: base(codePage)
|
|
{
|
|
}
|
|
|
|
protected EncodingNLS(int codePage, EncoderFallback enc, DecoderFallback dec)
|
|
: base(codePage, enc, dec)
|
|
{
|
|
}
|
|
|
|
public unsafe abstract int GetByteCount(char* chars, int count, System.Text.EncoderNLS encoder);
|
|
|
|
public unsafe abstract int GetBytes(char* chars, int charCount, byte* bytes, int byteCount, System.Text.EncoderNLS encoder);
|
|
|
|
public unsafe abstract int GetCharCount(byte* bytes, int count, System.Text.DecoderNLS decoder);
|
|
|
|
public unsafe abstract int GetChars(byte* bytes, int byteCount, char* chars, int charCount, System.Text.DecoderNLS decoder);
|
|
|
|
public unsafe override int GetByteCount(char[] chars, int index, int count)
|
|
{
|
|
if (chars == null)
|
|
{
|
|
throw new ArgumentNullException("chars");
|
|
}
|
|
if (index < 0 || count < 0)
|
|
{
|
|
throw new ArgumentOutOfRangeException((index < 0) ? "index" : "count", System.SR.ArgumentOutOfRange_NeedNonNegNum);
|
|
}
|
|
if (chars.Length - index < count)
|
|
{
|
|
throw new ArgumentOutOfRangeException("chars", System.SR.ArgumentOutOfRange_IndexCountBuffer);
|
|
}
|
|
if (chars.Length == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
fixed (char* ptr = &chars[0])
|
|
{
|
|
return GetByteCount(ptr + index, count, null);
|
|
}
|
|
}
|
|
|
|
public unsafe override int GetByteCount(string s)
|
|
{
|
|
if (s == null)
|
|
{
|
|
throw new ArgumentNullException("s");
|
|
}
|
|
fixed (char* chars = s)
|
|
{
|
|
return GetByteCount(chars, s.Length, null);
|
|
}
|
|
}
|
|
|
|
public unsafe override int GetByteCount(char* chars, int count)
|
|
{
|
|
if (chars == null)
|
|
{
|
|
throw new ArgumentNullException("chars");
|
|
}
|
|
if (count < 0)
|
|
{
|
|
throw new ArgumentOutOfRangeException("count", System.SR.ArgumentOutOfRange_NeedNonNegNum);
|
|
}
|
|
return GetByteCount(chars, count, null);
|
|
}
|
|
|
|
public unsafe override int GetBytes(string s, int charIndex, int charCount, byte[] bytes, int byteIndex)
|
|
{
|
|
if (s == null)
|
|
{
|
|
throw new ArgumentNullException("s");
|
|
}
|
|
if (bytes == null)
|
|
{
|
|
throw new ArgumentNullException("bytes");
|
|
}
|
|
if (charIndex < 0 || charCount < 0)
|
|
{
|
|
throw new ArgumentOutOfRangeException((charIndex < 0) ? "charIndex" : "charCount", System.SR.ArgumentOutOfRange_NeedNonNegNum);
|
|
}
|
|
if (s.Length - charIndex < charCount)
|
|
{
|
|
throw new ArgumentOutOfRangeException("s", System.SR.ArgumentOutOfRange_IndexCount);
|
|
}
|
|
if (byteIndex < 0 || byteIndex > bytes.Length)
|
|
{
|
|
throw new ArgumentOutOfRangeException("byteIndex", System.SR.ArgumentOutOfRange_IndexMustBeLessOrEqual);
|
|
}
|
|
int byteCount = bytes.Length - byteIndex;
|
|
if (bytes.Length == 0)
|
|
{
|
|
bytes = new byte[1];
|
|
}
|
|
fixed (char* ptr = s)
|
|
{
|
|
fixed (byte* ptr2 = &bytes[0])
|
|
{
|
|
return GetBytes(ptr + charIndex, charCount, ptr2 + byteIndex, byteCount, null);
|
|
}
|
|
}
|
|
}
|
|
|
|
public unsafe override int GetBytes(char[] chars, int charIndex, int charCount, byte[] bytes, int byteIndex)
|
|
{
|
|
if (chars == null)
|
|
{
|
|
throw new ArgumentNullException("chars");
|
|
}
|
|
if (bytes == null)
|
|
{
|
|
throw new ArgumentNullException("bytes");
|
|
}
|
|
if (charIndex < 0 || charCount < 0)
|
|
{
|
|
throw new ArgumentOutOfRangeException((charIndex < 0) ? "charIndex" : "charCount", System.SR.ArgumentOutOfRange_NeedNonNegNum);
|
|
}
|
|
if (chars.Length - charIndex < charCount)
|
|
{
|
|
throw new ArgumentOutOfRangeException("chars", System.SR.ArgumentOutOfRange_IndexCountBuffer);
|
|
}
|
|
if (byteIndex < 0 || byteIndex > bytes.Length)
|
|
{
|
|
throw new ArgumentOutOfRangeException("byteIndex", System.SR.ArgumentOutOfRange_IndexMustBeLessOrEqual);
|
|
}
|
|
if (chars.Length == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
int byteCount = bytes.Length - byteIndex;
|
|
if (bytes.Length == 0)
|
|
{
|
|
bytes = new byte[1];
|
|
}
|
|
fixed (char* ptr = &chars[0])
|
|
{
|
|
fixed (byte* ptr2 = &bytes[0])
|
|
{
|
|
return GetBytes(ptr + charIndex, charCount, ptr2 + byteIndex, byteCount, null);
|
|
}
|
|
}
|
|
}
|
|
|
|
public unsafe override int GetBytes(char* chars, int charCount, byte* bytes, int byteCount)
|
|
{
|
|
if (chars == null)
|
|
{
|
|
throw new ArgumentNullException("chars");
|
|
}
|
|
if (bytes == null)
|
|
{
|
|
throw new ArgumentNullException("bytes");
|
|
}
|
|
if (charCount < 0 || byteCount < 0)
|
|
{
|
|
throw new ArgumentOutOfRangeException((charCount < 0) ? "charCount" : "byteCount", System.SR.ArgumentOutOfRange_NeedNonNegNum);
|
|
}
|
|
return GetBytes(chars, charCount, bytes, byteCount, null);
|
|
}
|
|
|
|
public unsafe override int GetCharCount(byte[] bytes, int index, int count)
|
|
{
|
|
if (bytes == null)
|
|
{
|
|
throw new ArgumentNullException("bytes");
|
|
}
|
|
if (index < 0 || count < 0)
|
|
{
|
|
throw new ArgumentOutOfRangeException((index < 0) ? "index" : "count", System.SR.ArgumentOutOfRange_NeedNonNegNum);
|
|
}
|
|
if (bytes.Length - index < count)
|
|
{
|
|
throw new ArgumentOutOfRangeException("bytes", System.SR.ArgumentOutOfRange_IndexCountBuffer);
|
|
}
|
|
if (bytes.Length == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
fixed (byte* ptr = &bytes[0])
|
|
{
|
|
return GetCharCount(ptr + index, count, null);
|
|
}
|
|
}
|
|
|
|
public unsafe override int GetCharCount(byte* bytes, int count)
|
|
{
|
|
if (bytes == null)
|
|
{
|
|
throw new ArgumentNullException("bytes");
|
|
}
|
|
if (count < 0)
|
|
{
|
|
throw new ArgumentOutOfRangeException("count", System.SR.ArgumentOutOfRange_NeedNonNegNum);
|
|
}
|
|
return GetCharCount(bytes, count, null);
|
|
}
|
|
|
|
public unsafe override int GetChars(byte[] bytes, int byteIndex, int byteCount, char[] chars, int charIndex)
|
|
{
|
|
if (bytes == null)
|
|
{
|
|
throw new ArgumentNullException("bytes");
|
|
}
|
|
if (chars == null)
|
|
{
|
|
throw new ArgumentNullException("chars");
|
|
}
|
|
if (byteIndex < 0 || byteCount < 0)
|
|
{
|
|
throw new ArgumentOutOfRangeException((byteIndex < 0) ? "byteIndex" : "byteCount", System.SR.ArgumentOutOfRange_NeedNonNegNum);
|
|
}
|
|
if (bytes.Length - byteIndex < byteCount)
|
|
{
|
|
throw new ArgumentOutOfRangeException("bytes", System.SR.ArgumentOutOfRange_IndexCountBuffer);
|
|
}
|
|
if (charIndex < 0 || charIndex > chars.Length)
|
|
{
|
|
throw new ArgumentOutOfRangeException("charIndex", System.SR.ArgumentOutOfRange_IndexMustBeLessOrEqual);
|
|
}
|
|
if (bytes.Length == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
int charCount = chars.Length - charIndex;
|
|
if (chars.Length == 0)
|
|
{
|
|
chars = new char[1];
|
|
}
|
|
fixed (byte* ptr = &bytes[0])
|
|
{
|
|
fixed (char* ptr2 = &chars[0])
|
|
{
|
|
return GetChars(ptr + byteIndex, byteCount, ptr2 + charIndex, charCount, null);
|
|
}
|
|
}
|
|
}
|
|
|
|
public unsafe override int GetChars(byte* bytes, int byteCount, char* chars, int charCount)
|
|
{
|
|
if (bytes == null)
|
|
{
|
|
throw new ArgumentNullException("bytes");
|
|
}
|
|
if (chars == null)
|
|
{
|
|
throw new ArgumentNullException("chars");
|
|
}
|
|
if (charCount < 0 || byteCount < 0)
|
|
{
|
|
throw new ArgumentOutOfRangeException((charCount < 0) ? "charCount" : "byteCount", System.SR.ArgumentOutOfRange_NeedNonNegNum);
|
|
}
|
|
return GetChars(bytes, byteCount, chars, charCount, null);
|
|
}
|
|
|
|
public unsafe override string GetString(byte[] bytes, int index, int count)
|
|
{
|
|
if (bytes == null)
|
|
{
|
|
throw new ArgumentNullException("bytes");
|
|
}
|
|
if (index < 0 || count < 0)
|
|
{
|
|
throw new ArgumentOutOfRangeException((index < 0) ? "index" : "count", System.SR.ArgumentOutOfRange_NeedNonNegNum);
|
|
}
|
|
if (bytes.Length - index < count)
|
|
{
|
|
throw new ArgumentOutOfRangeException("bytes", System.SR.ArgumentOutOfRange_IndexCountBuffer);
|
|
}
|
|
if (bytes.Length == 0)
|
|
{
|
|
return string.Empty;
|
|
}
|
|
fixed (byte* ptr = &bytes[0])
|
|
{
|
|
return GetString(ptr + index, count);
|
|
}
|
|
}
|
|
|
|
public override Decoder GetDecoder()
|
|
{
|
|
return new System.Text.DecoderNLS(this);
|
|
}
|
|
|
|
public override Encoder GetEncoder()
|
|
{
|
|
return new System.Text.EncoderNLS(this);
|
|
}
|
|
|
|
internal void ThrowBytesOverflow(System.Text.EncoderNLS encoder, bool nothingEncoded)
|
|
{
|
|
if ((encoder?.m_throwOnOverflow ?? true) || nothingEncoded)
|
|
{
|
|
if (encoder != null && encoder.InternalHasFallbackBuffer)
|
|
{
|
|
encoder.FallbackBuffer.Reset();
|
|
}
|
|
ThrowBytesOverflow();
|
|
}
|
|
encoder.ClearMustFlush();
|
|
}
|
|
|
|
internal void ThrowCharsOverflow(System.Text.DecoderNLS decoder, bool nothingDecoded)
|
|
{
|
|
if ((decoder?.m_throwOnOverflow ?? true) || nothingDecoded)
|
|
{
|
|
if (decoder != null && decoder.InternalHasFallbackBuffer)
|
|
{
|
|
decoder.FallbackBuffer.Reset();
|
|
}
|
|
ThrowCharsOverflow();
|
|
}
|
|
decoder.ClearMustFlush();
|
|
}
|
|
|
|
[DoesNotReturn]
|
|
internal void ThrowBytesOverflow()
|
|
{
|
|
throw new ArgumentException(System.SR.Format(System.SR.Argument_EncodingConversionOverflowBytes, EncodingName, base.EncoderFallback.GetType()), "bytes");
|
|
}
|
|
|
|
[DoesNotReturn]
|
|
internal void ThrowCharsOverflow()
|
|
{
|
|
throw new ArgumentException(System.SR.Format(System.SR.Argument_EncodingConversionOverflowChars, EncodingName, base.DecoderFallback.GetType()), "chars");
|
|
}
|
|
|
|
internal static string GetLocalizedEncodingNameResource(int codePage)
|
|
{
|
|
return codePage switch
|
|
{
|
|
37 => System.SR.Globalization_cp_37,
|
|
437 => System.SR.Globalization_cp_437,
|
|
500 => System.SR.Globalization_cp_500,
|
|
708 => System.SR.Globalization_cp_708,
|
|
720 => System.SR.Globalization_cp_720,
|
|
737 => System.SR.Globalization_cp_737,
|
|
775 => System.SR.Globalization_cp_775,
|
|
850 => System.SR.Globalization_cp_850,
|
|
852 => System.SR.Globalization_cp_852,
|
|
855 => System.SR.Globalization_cp_855,
|
|
857 => System.SR.Globalization_cp_857,
|
|
858 => System.SR.Globalization_cp_858,
|
|
860 => System.SR.Globalization_cp_860,
|
|
861 => System.SR.Globalization_cp_861,
|
|
862 => System.SR.Globalization_cp_862,
|
|
863 => System.SR.Globalization_cp_863,
|
|
864 => System.SR.Globalization_cp_864,
|
|
865 => System.SR.Globalization_cp_865,
|
|
866 => System.SR.Globalization_cp_866,
|
|
869 => System.SR.Globalization_cp_869,
|
|
870 => System.SR.Globalization_cp_870,
|
|
874 => System.SR.Globalization_cp_874,
|
|
875 => System.SR.Globalization_cp_875,
|
|
932 => System.SR.Globalization_cp_932,
|
|
936 => System.SR.Globalization_cp_936,
|
|
949 => System.SR.Globalization_cp_949,
|
|
950 => System.SR.Globalization_cp_950,
|
|
1026 => System.SR.Globalization_cp_1026,
|
|
1047 => System.SR.Globalization_cp_1047,
|
|
1140 => System.SR.Globalization_cp_1140,
|
|
1141 => System.SR.Globalization_cp_1141,
|
|
1142 => System.SR.Globalization_cp_1142,
|
|
1143 => System.SR.Globalization_cp_1143,
|
|
1144 => System.SR.Globalization_cp_1144,
|
|
1145 => System.SR.Globalization_cp_1145,
|
|
1146 => System.SR.Globalization_cp_1146,
|
|
1147 => System.SR.Globalization_cp_1147,
|
|
1148 => System.SR.Globalization_cp_1148,
|
|
1149 => System.SR.Globalization_cp_1149,
|
|
1250 => System.SR.Globalization_cp_1250,
|
|
1251 => System.SR.Globalization_cp_1251,
|
|
1252 => System.SR.Globalization_cp_1252,
|
|
1253 => System.SR.Globalization_cp_1253,
|
|
1254 => System.SR.Globalization_cp_1254,
|
|
1255 => System.SR.Globalization_cp_1255,
|
|
1256 => System.SR.Globalization_cp_1256,
|
|
1257 => System.SR.Globalization_cp_1257,
|
|
1258 => System.SR.Globalization_cp_1258,
|
|
1361 => System.SR.Globalization_cp_1361,
|
|
10000 => System.SR.Globalization_cp_10000,
|
|
10001 => System.SR.Globalization_cp_10001,
|
|
10002 => System.SR.Globalization_cp_10002,
|
|
10003 => System.SR.Globalization_cp_10003,
|
|
10004 => System.SR.Globalization_cp_10004,
|
|
10005 => System.SR.Globalization_cp_10005,
|
|
10006 => System.SR.Globalization_cp_10006,
|
|
10007 => System.SR.Globalization_cp_10007,
|
|
10008 => System.SR.Globalization_cp_10008,
|
|
10010 => System.SR.Globalization_cp_10010,
|
|
10017 => System.SR.Globalization_cp_10017,
|
|
10021 => System.SR.Globalization_cp_10021,
|
|
10029 => System.SR.Globalization_cp_10029,
|
|
10079 => System.SR.Globalization_cp_10079,
|
|
10081 => System.SR.Globalization_cp_10081,
|
|
10082 => System.SR.Globalization_cp_10082,
|
|
20000 => System.SR.Globalization_cp_20000,
|
|
20001 => System.SR.Globalization_cp_20001,
|
|
20002 => System.SR.Globalization_cp_20002,
|
|
20003 => System.SR.Globalization_cp_20003,
|
|
20004 => System.SR.Globalization_cp_20004,
|
|
20005 => System.SR.Globalization_cp_20005,
|
|
20105 => System.SR.Globalization_cp_20105,
|
|
20106 => System.SR.Globalization_cp_20106,
|
|
20107 => System.SR.Globalization_cp_20107,
|
|
20108 => System.SR.Globalization_cp_20108,
|
|
20261 => System.SR.Globalization_cp_20261,
|
|
20269 => System.SR.Globalization_cp_20269,
|
|
20273 => System.SR.Globalization_cp_20273,
|
|
20277 => System.SR.Globalization_cp_20277,
|
|
20278 => System.SR.Globalization_cp_20278,
|
|
20280 => System.SR.Globalization_cp_20280,
|
|
20284 => System.SR.Globalization_cp_20284,
|
|
20285 => System.SR.Globalization_cp_20285,
|
|
20290 => System.SR.Globalization_cp_20290,
|
|
20297 => System.SR.Globalization_cp_20297,
|
|
20420 => System.SR.Globalization_cp_20420,
|
|
20423 => System.SR.Globalization_cp_20423,
|
|
20424 => System.SR.Globalization_cp_20424,
|
|
20833 => System.SR.Globalization_cp_20833,
|
|
20838 => System.SR.Globalization_cp_20838,
|
|
20866 => System.SR.Globalization_cp_20866,
|
|
20871 => System.SR.Globalization_cp_20871,
|
|
20880 => System.SR.Globalization_cp_20880,
|
|
20905 => System.SR.Globalization_cp_20905,
|
|
20924 => System.SR.Globalization_cp_20924,
|
|
20932 => System.SR.Globalization_cp_20932,
|
|
20936 => System.SR.Globalization_cp_20936,
|
|
20949 => System.SR.Globalization_cp_20949,
|
|
21025 => System.SR.Globalization_cp_21025,
|
|
21027 => System.SR.Globalization_cp_21027,
|
|
21866 => System.SR.Globalization_cp_21866,
|
|
28592 => System.SR.Globalization_cp_28592,
|
|
28593 => System.SR.Globalization_cp_28593,
|
|
28594 => System.SR.Globalization_cp_28594,
|
|
28595 => System.SR.Globalization_cp_28595,
|
|
28596 => System.SR.Globalization_cp_28596,
|
|
28597 => System.SR.Globalization_cp_28597,
|
|
28598 => System.SR.Globalization_cp_28598,
|
|
28599 => System.SR.Globalization_cp_28599,
|
|
28603 => System.SR.Globalization_cp_28603,
|
|
28605 => System.SR.Globalization_cp_28605,
|
|
29001 => System.SR.Globalization_cp_29001,
|
|
38598 => System.SR.Globalization_cp_38598,
|
|
50000 => System.SR.Globalization_cp_50000,
|
|
50220 => System.SR.Globalization_cp_50220,
|
|
50221 => System.SR.Globalization_cp_50221,
|
|
50222 => System.SR.Globalization_cp_50222,
|
|
50225 => System.SR.Globalization_cp_50225,
|
|
50227 => System.SR.Globalization_cp_50227,
|
|
50229 => System.SR.Globalization_cp_50229,
|
|
50930 => System.SR.Globalization_cp_50930,
|
|
50931 => System.SR.Globalization_cp_50931,
|
|
50933 => System.SR.Globalization_cp_50933,
|
|
50935 => System.SR.Globalization_cp_50935,
|
|
50937 => System.SR.Globalization_cp_50937,
|
|
50939 => System.SR.Globalization_cp_50939,
|
|
51932 => System.SR.Globalization_cp_51932,
|
|
51936 => System.SR.Globalization_cp_51936,
|
|
51949 => System.SR.Globalization_cp_51949,
|
|
52936 => System.SR.Globalization_cp_52936,
|
|
54936 => System.SR.Globalization_cp_54936,
|
|
57002 => System.SR.Globalization_cp_57002,
|
|
57003 => System.SR.Globalization_cp_57003,
|
|
57004 => System.SR.Globalization_cp_57004,
|
|
57005 => System.SR.Globalization_cp_57005,
|
|
57006 => System.SR.Globalization_cp_57006,
|
|
57007 => System.SR.Globalization_cp_57007,
|
|
57008 => System.SR.Globalization_cp_57008,
|
|
57009 => System.SR.Globalization_cp_57009,
|
|
57010 => System.SR.Globalization_cp_57010,
|
|
57011 => System.SR.Globalization_cp_57011,
|
|
_ => null,
|
|
};
|
|
}
|
|
}
|