<Compile Include="$(BclSourcesRoot)\System\Text\EncoderFallback.cs" />
<Compile Include="$(BclSourcesRoot)\System\Text\EncoderReplacementFallback.cs" />
<Compile Include="$(BclSourcesRoot)\System\Text\Encoding.cs" />
- <Compile Include="$(BclSourcesRoot)\System\Text\EncodingForwarder.cs" />
<Compile Include="$(BclSourcesRoot)\System\Text\EncodingInfo.cs" />
<Compile Include="$(BclSourcesRoot)\System\Text\EncodingNLS.cs" />
<Compile Include="$(BclSourcesRoot)\System\Text\EncodingProvider.cs" />
{
// ASCIIEncoding
//
- // Note that ASCIIEncoding is optomized with no best fit and ? for fallback.
+ // Note that ASCIIEncoding is optimized with no best fit and ? for fallback.
// It doesn't come in other flavors.
//
// Note: ASCIIEncoding is the only encoding that doesn't do best fit (windows has best fit).
//
// Note: IsAlwaysNormalized remains false because 1/2 the code points are unassigned, so they'd
// use fallbacks, and we cannot guarantee that fallbacks are normalized.
- //
[Serializable]
public class ASCIIEncoding : Encoding
// WARNING: GetByteCount(string chars), GetBytes(string chars,...), and GetString(byte[] byteIndex...)
// WARNING: have different variable names than EncodingNLS.cs, so this can't just be cut & pasted,
// WARNING: or it'll break VB's way of calling these.
-
- // NOTE: Many methods in this class forward to EncodingForwarder for
- // validating arguments/wrapping the unsafe methods in this class
- // which do the actual work. That class contains
- // shared logic for doing this which is used by
- // ASCIIEncoding, EncodingNLS, UnicodeEncoding, UTF32Encoding,
- // UTF7Encoding, and UTF8Encoding.
- // The reason the code is separated out into a static class, rather
- // than a base class which overrides all of these methods for us
- // (which is what EncodingNLS is for internal Encodings) is because
- // that's really more of an implementation detail so it's internal.
- // At the same time, C# doesn't allow a public class subclassing an
- // internal/private one, so we end up having to re-override these
- // methods in all of the public Encodings + EncodingNLS.
+ //
+ // The following methods are copied from EncodingNLS.cs.
+ // Unfortunately EncodingNLS.cs is internal and we're public, so we have to re-implement them here.
+ // These should be kept in sync for the following classes:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
// Returns the number of bytes required to encode a range of characters in
// a character array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetByteCount(char[] chars, int index, int count)
+ public override unsafe int GetByteCount(char[] chars, int index, int count)
{
- return EncodingForwarder.GetByteCount(this, chars, index, count);
+ // Validate input parameters
+ if (chars == null)
+ throw new ArgumentNullException("chars", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (chars.Length - index < count)
+ throw new ArgumentOutOfRangeException("chars", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // If no input, return 0, avoid fixed empty array problem
+ if (count == 0)
+ return 0;
+
+ // Just call the pointer version
+ fixed (char* pChars = chars)
+ return GetByteCount(pChars + index, count, null);
}
- public override int GetByteCount(String chars)
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+
+ public override unsafe int GetByteCount(String chars)
{
- return EncodingForwarder.GetByteCount(this, chars);
+ // Validate input
+ if (chars==null)
+ throw new ArgumentNullException("chars");
+ Contract.EndContractBlock();
+
+ fixed (char* pChars = chars)
+ return GetByteCount(pChars, chars.Length, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetByteCount(char* chars, int count)
{
- return EncodingForwarder.GetByteCount(this, chars, count);
+ // Validate Parameters
+ if (chars == null)
+ throw new ArgumentNullException("chars", SR.ArgumentNull_Array);
+
+ if (count < 0)
+ throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ // Call it with empty encoder
+ return GetByteCount(chars, count, null);
}
- public override int GetBytes(String chars, int charIndex, int charCount,
+ // Parent method is safe.
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
+ public override unsafe int GetBytes(String chars, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
- return EncodingForwarder.GetBytes(this, chars, charIndex, charCount, bytes, byteIndex);
+ if (chars == null || bytes == null)
+ throw new ArgumentNullException((chars == null ? "chars" : "bytes"), SR.ArgumentNull_Array);
+
+ if (charIndex < 0 || charCount < 0)
+ throw new ArgumentOutOfRangeException((charIndex < 0 ? "charIndex" : "charCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (chars.Length - charIndex < charCount)
+ throw new ArgumentOutOfRangeException("chars", SR.ArgumentOutOfRange_IndexCount);
+
+ if (byteIndex < 0 || byteIndex > bytes.Length)
+ throw new ArgumentOutOfRangeException("byteIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ int byteCount = bytes.Length - byteIndex;
+
+ // Fixed doesn't like empty byte arrays
+ if (bytes.Length == 0)
+ bytes = new byte[1];
+
+ fixed (char* pChars = chars) fixed (byte* pBytes = &bytes[0])
+ return GetBytes(pChars + charIndex, charCount, pBytes + byteIndex, byteCount, null);
}
// Encodes a range of characters in a character array into a range of bytes
// Alternatively, the GetMaxByteCount method can be used to
// determine the maximum number of bytes that will be produced for a given
// number of characters, regardless of the actual character values.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetBytes(char[] chars, int charIndex, int charCount,
+ public override unsafe int GetBytes(char[] chars, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
- return EncodingForwarder.GetBytes(this, chars, charIndex, charCount, bytes, byteIndex);
+ // Validate parameters
+ if (chars == null || bytes == null)
+ throw new ArgumentNullException((chars == null ? "chars" : "bytes"), SR.ArgumentNull_Array);
+
+ if (charIndex < 0 || charCount < 0)
+ throw new ArgumentOutOfRangeException((charIndex < 0 ? "charIndex" : "charCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (chars.Length - charIndex < charCount)
+ throw new ArgumentOutOfRangeException("chars", SR.ArgumentOutOfRange_IndexCountBuffer);
+
+ if (byteIndex < 0 || byteIndex > bytes.Length)
+ throw new ArgumentOutOfRangeException("byteIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ // If nothing to encode return 0, avoid fixed problem
+ if (charCount == 0)
+ return 0;
+
+ // Just call pointer version
+ int byteCount = bytes.Length - byteIndex;
+
+ // Fixed doesn't like empty byte arrays
+ if (bytes.Length == 0)
+ bytes = new byte[1];
+
+ fixed (char* pChars = chars) fixed (byte* pBytes = &bytes[0])
+ // Remember that byteCount is # to decode, not size of array.
+ return GetBytes(pChars + charIndex, charCount, pBytes + byteIndex, byteCount, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetBytes(char* chars, int charCount, byte* bytes, int byteCount)
{
- return EncodingForwarder.GetBytes(this, chars, charCount, bytes, byteCount);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (charCount < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((charCount < 0 ? "charCount" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetBytes(chars, charCount, bytes, byteCount, null);
}
// Returns the number of characters produced by decoding a range of bytes
// in a byte array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetCharCount(byte[] bytes, int index, int count)
+ public override unsafe int GetCharCount(byte[] bytes, int index, int count)
{
- return EncodingForwarder.GetCharCount(this, bytes, index, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (bytes.Length - index < count)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // If no input just return 0, fixed doesn't like 0 length arrays
+ if (count == 0)
+ return 0;
+
+ // Just call pointer version
+ fixed (byte* pBytes = bytes)
+ return GetCharCount(pBytes + index, count, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetCharCount(byte* bytes, int count)
{
- return EncodingForwarder.GetCharCount(this, bytes, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (count < 0)
+ throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetCharCount(bytes, count, null);
}
- public override int GetChars(byte[] bytes, int byteIndex, int byteCount,
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+
+ public override unsafe int GetChars(byte[] bytes, int byteIndex, int byteCount,
char[] chars, int charIndex)
{
- return EncodingForwarder.GetChars(this, bytes, byteIndex, byteCount, chars, charIndex);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (byteIndex < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((byteIndex < 0 ? "byteIndex" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if ( bytes.Length - byteIndex < byteCount)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+
+ if (charIndex < 0 || charIndex > chars.Length)
+ throw new ArgumentOutOfRangeException("charIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ // If no input, return 0 & avoid fixed problem
+ if (byteCount == 0)
+ return 0;
+
+ // Just call pointer version
+ int charCount = chars.Length - charIndex;
+
+ // Fixed doesn't like empty char arrays
+ if (chars.Length == 0)
+ chars = new char[1];
+
+ fixed (byte* pBytes = bytes) fixed (char* pChars = &chars[0])
+ // Remember that charCount is # to decode, not size of array
+ return GetChars(pBytes + byteIndex, byteCount, pChars + charIndex, charCount, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public unsafe override int GetChars(byte* bytes, int byteCount, char* chars, int charCount)
{
- return EncodingForwarder.GetChars(this, bytes, byteCount, chars, charCount);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (charCount < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((charCount < 0 ? "charCount" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetChars(bytes, byteCount, chars, charCount, null);
}
// Returns a string containing the decoded representation of a range of
// bytes in a byte array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override String GetString(byte[] bytes, int byteIndex, int byteCount)
+ public override unsafe String GetString(byte[] bytes, int byteIndex, int byteCount)
{
- return EncodingForwarder.GetString(this, bytes, byteIndex, byteCount);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (byteIndex < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((byteIndex < 0 ? "byteIndex" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+
+ if (bytes.Length - byteIndex < byteCount)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // Avoid problems with empty input buffer
+ if (byteCount == 0) return String.Empty;
+
+ fixed (byte* pBytes = bytes)
+ return String.CreateStringFromEncoding(
+ pBytes + byteIndex, byteCount, this);
}
- // End of overridden methods which use EncodingForwarder
+ //
+ // End of standard methods copied from EncodingNLS.cs
+ //
// GetByteCount
// Note: We start by assuming that the output will be the same as count. Having
Debug.Assert(!encoder.m_throwOnOverflow || !encoder.InternalHasFallbackBuffer ||
encoder.FallbackBuffer.Remaining == 0,
"[ASCIICodePageEncoding.GetByteCount]Expected empty fallback buffer");
- // if (encoder.InternalHasFallbackBuffer && encoder.FallbackBuffer.Remaining > 0)
- // throw new ArgumentException(Environment.GetResourceString("Argument_EncoderFallbackNotEmpty",
- // this.EncodingName, encoder.Fallback.GetType()));
}
else
{
Debug.Assert(!encoder.m_throwOnOverflow || !encoder.InternalHasFallbackBuffer ||
encoder.FallbackBuffer.Remaining == 0,
"[ASCIICodePageEncoding.GetBytes]Expected empty fallback buffer");
- // if (encoder.m_throwOnOverflow && encoder.InternalHasFallbackBuffer &&
- // encoder.FallbackBuffer.Remaining > 0)
- // throw new ArgumentException(Environment.GetResourceString("Argument_EncoderFallbackNotEmpty",
- // this.EncodingName, encoder.Fallback.GetType()));
}
else
{
+++ /dev/null
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-using System.Diagnostics;
-using System.Diagnostics.Contracts;
-using System.Security;
-
-namespace System.Text
-{
- // Shared implementations for commonly overriden Encoding methods
-
- internal static class EncodingForwarder
- {
- // We normally have to duplicate a lot of code between UTF8Encoding,
- // UTF7Encoding, EncodingNLS, etc. because we want to override many
- // of the methods in all of those classes to just forward to the unsafe
- // version. (e.g. GetBytes(char[]))
- // Ideally, everything would just derive from EncodingNLS, but that's
- // not exposed in the public API, and C# prohibits a public class from
- // inheriting from an internal one. So, we have to override each of the
- // methods in question and repeat the argument validation/logic.
-
- // These set of methods exist so instead of duplicating code, we can
- // simply have those overriden methods call here to do the actual work.
-
- // NOTE: This class should ONLY be called from Encodings that override
- // the internal methods which accept an Encoder/DecoderNLS. The reason
- // for this is that by default, those methods just call the same overload
- // except without the encoder/decoder parameter. If an overriden method
- // without that parameter calls this class, which calls the overload with
- // the parameter, it will call the same method again, which will eventually
- // lead to a StackOverflowException.
-
- public unsafe static int GetByteCount(Encoding encoding, char[] chars, int index, int count)
- {
- // Validate parameters
-
- Debug.Assert(encoding != null); // this parameter should only be affected internally, so just do a debug check here
- if (chars == null)
- {
- throw new ArgumentNullException(nameof(chars), SR.ArgumentNull_Array);
- }
- if (index < 0 || count < 0)
- {
- throw new ArgumentOutOfRangeException(index < 0 ? nameof(index) : nameof(count), SR.ArgumentOutOfRange_NeedNonNegNum);
- }
- if (chars.Length - index < count)
- {
- throw new ArgumentOutOfRangeException(nameof(chars), SR.ArgumentOutOfRange_IndexCountBuffer);
- }
- Contract.EndContractBlock();
-
- // If no input, return 0, avoid fixed empty array problem
- if (count == 0)
- return 0;
-
- // Just call the (internal) pointer version
- fixed (char* pChars = chars)
- return encoding.GetByteCount(pChars + index, count, encoder: null);
- }
-
- public unsafe static int GetByteCount(Encoding encoding, string s)
- {
- Debug.Assert(encoding != null);
- if (s == null)
- {
- string paramName = encoding is ASCIIEncoding ? "chars" : nameof(s); // ASCIIEncoding calls the string chars
- // UTF8Encoding does this as well, but it originally threw an ArgumentNull for "s" so don't check for that
- throw new ArgumentNullException(paramName);
- }
- Contract.EndContractBlock();
-
- // NOTE: The behavior of fixed *is* defined by
- // the spec for empty strings, although not for
- // null strings/empty char arrays. See
- // http://stackoverflow.com/q/37757751/4077294
- // Regardless, we may still want to check
- // for if (s.Length == 0) in the future
- // and short-circuit as an optimization (TODO).
-
- fixed (char* pChars = s)
- return encoding.GetByteCount(pChars, s.Length, encoder: null);
- }
-
- public unsafe static int GetByteCount(Encoding encoding, char* chars, int count)
- {
- Debug.Assert(encoding != null);
- if (chars == null)
- {
- throw new ArgumentNullException(nameof(chars), SR.ArgumentNull_Array);
- }
- if (count < 0)
- {
- throw new ArgumentOutOfRangeException(nameof(count), SR.ArgumentOutOfRange_NeedNonNegNum);
- }
- Contract.EndContractBlock();
-
- // Call the internal version, with an empty encoder
- return encoding.GetByteCount(chars, count, encoder: null);
- }
-
- public unsafe static int GetBytes(Encoding encoding, string s, int charIndex, int charCount, byte[] bytes, int byteIndex)
- {
- Debug.Assert(encoding != null);
- if (s == null || bytes == null)
- {
- string stringName = encoding is ASCIIEncoding ? "chars" : nameof(s); // ASCIIEncoding calls the first parameter chars
- throw new ArgumentNullException(s == null ? stringName : nameof(bytes), SR.ArgumentNull_Array);
- }
- if (charIndex < 0 || charCount < 0)
- {
- throw new ArgumentOutOfRangeException(charIndex < 0 ? nameof(charIndex) : nameof(charCount), SR.ArgumentOutOfRange_NeedNonNegNum);
- }
- if (s.Length - charIndex < charCount)
- {
- string stringName = encoding is ASCIIEncoding ? "chars" : nameof(s); // ASCIIEncoding calls the first parameter chars
- // Duplicate the above check since we don't want the overhead of a type check on the general path
- throw new ArgumentOutOfRangeException(stringName, SR.ArgumentOutOfRange_IndexCount);
- }
- if (byteIndex < 0 || byteIndex > bytes.Length)
- {
- throw new ArgumentOutOfRangeException(nameof(byteIndex), SR.ArgumentOutOfRange_Index);
- }
- Contract.EndContractBlock();
-
- int byteCount = bytes.Length - byteIndex;
-
- // Fixed doesn't like empty arrays
- if (bytes.Length == 0)
- bytes = new byte[1];
-
- fixed (char* pChars = s) fixed (byte* pBytes = &bytes[0])
- {
- return encoding.GetBytes(pChars + charIndex, charCount, pBytes + byteIndex, byteCount, encoder: null);
- }
- }
-
- public unsafe static int GetBytes(Encoding encoding, char[] chars, int charIndex, int charCount, byte[] bytes, int byteIndex)
- {
- Debug.Assert(encoding != null);
- if (chars == null || bytes == null)
- {
- throw new ArgumentNullException(chars == null ? nameof(chars) : nameof(bytes), SR.ArgumentNull_Array);
- }
- if (charIndex < 0 || charCount < 0)
- {
- throw new ArgumentOutOfRangeException(charIndex < 0 ? nameof(charIndex) : nameof(charCount), SR.ArgumentOutOfRange_NeedNonNegNum);
- }
- if (chars.Length - charIndex < charCount)
- {
- throw new ArgumentOutOfRangeException(nameof(chars), SR.ArgumentOutOfRange_IndexCountBuffer);
- }
- if (byteIndex < 0 || byteIndex > bytes.Length)
- {
- throw new ArgumentOutOfRangeException(nameof(byteIndex), SR.ArgumentOutOfRange_Index);
- }
- Contract.EndContractBlock();
-
- // If nothing to encode return 0, avoid fixed problem
- if (charCount == 0)
- return 0;
-
- // Note that this is the # of bytes to decode,
- // not the size of the array
- int byteCount = bytes.Length - byteIndex;
-
- // Fixed doesn't like 0 length arrays.
- if (bytes.Length == 0)
- bytes = new byte[1];
-
- // Just call the (internal) pointer version
- fixed (char* pChars = chars) fixed (byte* pBytes = &bytes[0])
- {
- return encoding.GetBytes(pChars + charIndex, charCount, pBytes + byteIndex, byteCount, encoder: null);
- }
- }
-
- public unsafe static int GetBytes(Encoding encoding, char* chars, int charCount, byte* bytes, int byteCount)
- {
- Debug.Assert(encoding != null);
- if (bytes == null || chars == null)
- {
- throw new ArgumentNullException(bytes == null ? nameof(bytes) : nameof(chars), SR.ArgumentNull_Array);
- }
- if (charCount < 0 || byteCount < 0)
- {
- throw new ArgumentOutOfRangeException(charCount < 0 ? nameof(charCount) : nameof(byteCount), SR.ArgumentOutOfRange_NeedNonNegNum);
- }
- Contract.EndContractBlock();
-
- return encoding.GetBytes(chars, charCount, bytes, byteCount, encoder: null);
- }
-
- public unsafe static int GetCharCount(Encoding encoding, byte[] bytes, int index, int count)
- {
- Debug.Assert(encoding != null);
- if (bytes == null)
- {
- throw new ArgumentNullException(nameof(bytes), SR.ArgumentNull_Array);
- }
- if (index < 0 || count < 0)
- {
- throw new ArgumentOutOfRangeException(index < 0 ? nameof(index) : nameof(count), SR.ArgumentOutOfRange_NeedNonNegNum);
- }
- if (bytes.Length - index < count)
- {
- throw new ArgumentOutOfRangeException(nameof(bytes), SR.ArgumentOutOfRange_IndexCountBuffer);
- }
- Contract.EndContractBlock();
-
- // If no input just return 0, fixed doesn't like 0 length arrays.
- if (count == 0)
- return 0;
-
- // Just call pointer version
- fixed (byte* pBytes = bytes)
- return encoding.GetCharCount(pBytes + index, count, decoder: null);
- }
-
- public unsafe static int GetCharCount(Encoding encoding, byte* bytes, int count)
- {
- Debug.Assert(encoding != null);
- if (bytes == null)
- {
- throw new ArgumentNullException(nameof(bytes), SR.ArgumentNull_Array);
- }
- if (count < 0)
- {
- throw new ArgumentOutOfRangeException(nameof(count), SR.ArgumentOutOfRange_NeedNonNegNum);
- }
- Contract.EndContractBlock();
-
- return encoding.GetCharCount(bytes, count, decoder: null);
- }
-
- public unsafe static int GetChars(Encoding encoding, byte[] bytes, int byteIndex, int byteCount, char[] chars, int charIndex)
- {
- Debug.Assert(encoding != null);
- if (bytes == null || chars == null)
- {
- throw new ArgumentNullException(bytes == null ? nameof(bytes) : nameof(chars), SR.ArgumentNull_Array);
- }
- if (byteIndex < 0 || byteCount < 0)
- {
- throw new ArgumentOutOfRangeException(byteIndex < 0 ? nameof(byteIndex) : nameof(byteCount), SR.ArgumentOutOfRange_NeedNonNegNum);
- }
- if (bytes.Length - byteIndex < byteCount)
- {
- throw new ArgumentOutOfRangeException(nameof(bytes), SR.ArgumentOutOfRange_IndexCountBuffer);
- }
- if (charIndex < 0 || charIndex > chars.Length)
- {
- throw new ArgumentOutOfRangeException(nameof(charIndex), SR.ArgumentOutOfRange_Index);
- }
- Contract.EndContractBlock();
-
- if (byteCount == 0)
- return 0;
-
- // NOTE: This is the # of chars we can decode,
- // not the size of the array
- int charCount = chars.Length - charIndex;
-
- // Fixed doesn't like 0 length arrays.
- if (chars.Length == 0)
- chars = new char[1];
-
- fixed (byte* pBytes = bytes) fixed (char* pChars = &chars[0])
- {
- return encoding.GetChars(pBytes + byteIndex, byteCount, pChars + charIndex, charCount, decoder: null);
- }
- }
-
- public unsafe static int GetChars(Encoding encoding, byte* bytes, int byteCount, char* chars, int charCount)
- {
- Debug.Assert(encoding != null);
- if (bytes == null || chars == null)
- {
- throw new ArgumentNullException(bytes == null ? nameof(bytes) : nameof(chars), SR.ArgumentNull_Array);
- }
- if (charCount < 0 || byteCount < 0)
- {
- throw new ArgumentOutOfRangeException(charCount < 0 ? nameof(charCount) : nameof(byteCount), SR.ArgumentOutOfRange_NeedNonNegNum);
- }
- Contract.EndContractBlock();
-
- return encoding.GetChars(bytes, byteCount, chars, charCount, decoder: null);
- }
-
- public unsafe static string GetString(Encoding encoding, byte[] bytes, int index, int count)
- {
- Debug.Assert(encoding != null);
- if (bytes == null)
- {
- throw new ArgumentNullException(nameof(bytes), SR.ArgumentNull_Array);
- }
- if (index < 0 || count < 0)
- {
- // ASCIIEncoding has different names for its parameters here (byteIndex, byteCount)
- bool ascii = encoding is ASCIIEncoding;
- string indexName = ascii ? "byteIndex" : nameof(index);
- string countName = ascii ? "byteCount" : nameof(count);
- throw new ArgumentOutOfRangeException(index < 0 ? indexName : countName, SR.ArgumentOutOfRange_NeedNonNegNum);
- }
- if (bytes.Length - index < count)
- {
- throw new ArgumentOutOfRangeException(nameof(bytes), SR.ArgumentOutOfRange_IndexCountBuffer);
- }
- Contract.EndContractBlock();
-
- // Avoid problems with empty input buffer
- if (count == 0)
- return string.Empty;
-
- // Call string.CreateStringFromEncoding here, which
- // allocates a string and lets the Encoding modify
- // it in place. This way, we don't have to allocate
- // an intermediary char[] to decode into and then
- // call the string constructor; instead we decode
- // directly into the string.
-
- fixed (byte* pBytes = bytes)
- {
- return string.CreateStringFromEncoding(pBytes + index, count, encoding);
- }
- }
- }
-}
using Win32Native = Microsoft.Win32.Win32Native;
// This class overrides Encoding with the things we need for our NLS Encodings
+ //
+ // All of the GetBytes/Chars GetByte/CharCount methods are just wrappers for the pointer
+ // plus decoder/encoder method that is our real workhorse. Note that this is an internal
+ // class, so our public classes cannot derive from this class. Because of this, all of the
+ // GetBytes/Chars GetByte/CharCount wrapper methods are duplicated in all of our public
+ // encodings, which currently include:
+ //
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, & UnicodeEncoding
+ //
+ // So if you change the wrappers in this class, you must change the wrappers in the other classes
+ // as well because they should have the same behavior.
[Serializable]
internal abstract class EncodingNLS : Encoding
{
}
- // NOTE: Many methods in this class forward to EncodingForwarder for
- // validating arguments/wrapping the unsafe methods in this class
- // which do the actual work. That class contains
- // shared logic for doing this which is used by
- // ASCIIEncoding, EncodingNLS, UnicodeEncoding, UTF32Encoding,
- // UTF7Encoding, and UTF8Encoding.
- // The reason the code is separated out into a static class, rather
- // than a base class which overrides all of these methods for us
- // (which is what EncodingNLS is for internal Encodings) is because
- // that's really more of an implementation detail so it's internal.
- // At the same time, C# doesn't allow a public class subclassing an
- // internal/private one, so we end up having to re-override these
- // methods in all of the public Encodings + EncodingNLS.
-
// Returns the number of bytes required to encode a range of characters in
// a character array.
-
- public override int GetByteCount(char[] chars, int index, int count)
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+ public override unsafe int GetByteCount(char[] chars, int index, int count)
{
- return EncodingForwarder.GetByteCount(this, chars, index, count);
+ // Validate input parameters
+ if (chars == null)
+ throw new ArgumentNullException("chars", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (chars.Length - index < count)
+ throw new ArgumentOutOfRangeException("chars", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // If no input, return 0, avoid fixed empty array problem
+ if (count == 0)
+ return 0;
+
+ // Just call the pointer version
+ fixed (char* pChars = chars)
+ return GetByteCount(pChars + index, count, null);
}
- public override int GetByteCount(String s)
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+ public override unsafe int GetByteCount(String s)
{
- return EncodingForwarder.GetByteCount(this, s);
- }
+ // Validate input
+ if (s==null)
+ throw new ArgumentNullException("s");
+ Contract.EndContractBlock();
+
+ fixed (char* pChars = s)
+ return GetByteCount(pChars, s.Length, null);
+ }
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
public override unsafe int GetByteCount(char* chars, int count)
{
- return EncodingForwarder.GetByteCount(this, chars, count);
+ // Validate Parameters
+ if (chars == null)
+ throw new ArgumentNullException("chars", SR.ArgumentNull_Array);
+
+ if (count < 0)
+ throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ // Call it with empty encoder
+ return GetByteCount(chars, count, null);
}
- public override int GetBytes(String s, int charIndex, int charCount,
+ // Parent method is safe.
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ public override unsafe int GetBytes(String s, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
- return EncodingForwarder.GetBytes(this, s, charIndex, charCount, bytes, byteIndex);
+ if (s == null || bytes == null)
+ throw new ArgumentNullException((s == null ? "s" : "bytes"), SR.ArgumentNull_Array);
+
+ if (charIndex < 0 || charCount < 0)
+ throw new ArgumentOutOfRangeException((charIndex < 0 ? "charIndex" : "charCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (s.Length - charIndex < charCount)
+ throw new ArgumentOutOfRangeException("s", SR.ArgumentOutOfRange_IndexCount);
+
+ if (byteIndex < 0 || byteIndex > bytes.Length)
+ throw new ArgumentOutOfRangeException("byteIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ int byteCount = bytes.Length - byteIndex;
+
+ // Fixed doesn't like empty arrays
+ if (bytes.Length == 0)
+ bytes = new byte[1];
+
+ fixed (char* pChars = s) fixed (byte* pBytes = &bytes[0])
+ return GetBytes(pChars + charIndex, charCount, pBytes + byteIndex, byteCount, null);
}
// Encodes a range of characters in a character array into a range of bytes
// Alternatively, the GetMaxByteCount method can be used to
// determine the maximum number of bytes that will be produced for a given
// number of characters, regardless of the actual character values.
-
- public override int GetBytes(char[] chars, int charIndex, int charCount,
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+ public override unsafe int GetBytes(char[] chars, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
- return EncodingForwarder.GetBytes(this, chars, charIndex, charCount, bytes, byteIndex);
+ // Validate parameters
+ if (chars == null || bytes == null)
+ throw new ArgumentNullException((chars == null ? "chars" : "bytes"), SR.ArgumentNull_Array);
+
+ if (charIndex < 0 || charCount < 0)
+ throw new ArgumentOutOfRangeException((charIndex < 0 ? "charIndex" : "charCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (chars.Length - charIndex < charCount)
+ throw new ArgumentOutOfRangeException("chars", SR.ArgumentOutOfRange_IndexCountBuffer);
+
+ if (byteIndex < 0 || byteIndex > bytes.Length)
+ throw new ArgumentOutOfRangeException("byteIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ // If nothing to encode return 0, avoid fixed problem
+ if (charCount == 0)
+ return 0;
+
+ // Just call pointer version
+ int byteCount = bytes.Length - byteIndex;
+
+ // Fixed doesn't like empty arrays
+ if (bytes.Length == 0)
+ bytes = new byte[1];
+
+ fixed (char* pChars = chars) fixed (byte* pBytes = &bytes[0])
+ // Remember that byteCount is # to decode, not size of array.
+ return GetBytes(pChars + charIndex, charCount, pBytes + byteIndex, byteCount, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
public override unsafe int GetBytes(char* chars, int charCount, byte* bytes, int byteCount)
{
- return EncodingForwarder.GetBytes(this, chars, charCount, bytes, byteCount);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (charCount < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((charCount < 0 ? "charCount" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetBytes(chars, charCount, bytes, byteCount, null);
}
// Returns the number of characters produced by decoding a range of bytes
// in a byte array.
-
- public override int GetCharCount(byte[] bytes, int index, int count)
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+ public override unsafe int GetCharCount(byte[] bytes, int index, int count)
{
- return EncodingForwarder.GetCharCount(this, bytes, index, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (bytes.Length - index < count)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // If no input just return 0, fixed doesn't like 0 length arrays
+ if (count == 0)
+ return 0;
+
+ // Just call pointer version
+ fixed (byte* pBytes = bytes)
+ return GetCharCount(pBytes + index, count, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
public override unsafe int GetCharCount(byte* bytes, int count)
{
- return EncodingForwarder.GetCharCount(this, bytes, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (count < 0)
+ throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetCharCount(bytes, count, null);
}
- public override int GetChars(byte[] bytes, int byteIndex, int byteCount,
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+ public override unsafe int GetChars(byte[] bytes, int byteIndex, int byteCount,
char[] chars, int charIndex)
{
- return EncodingForwarder.GetChars(this, bytes, byteIndex, byteCount, chars, charIndex);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (byteIndex < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((byteIndex < 0 ? "byteIndex" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if ( bytes.Length - byteIndex < byteCount)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+
+ if (charIndex < 0 || charIndex > chars.Length)
+ throw new ArgumentOutOfRangeException("charIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ // If no input, return 0 & avoid fixed problem
+ if (byteCount == 0)
+ return 0;
+
+ // Just call pointer version
+ int charCount = chars.Length - charIndex;
+
+ // Fixed doesn't like empty arrays
+ if (chars.Length == 0)
+ chars = new char[1];
+
+ fixed (byte* pBytes = bytes) fixed (char* pChars = &chars[0])
+ // Remember that charCount is # to decode, not size of array
+ return GetChars(pBytes + byteIndex, byteCount, pChars + charIndex, charCount, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
public unsafe override int GetChars(byte* bytes, int byteCount, char* chars, int charCount)
{
- return EncodingForwarder.GetChars(this, bytes, byteCount, chars, charCount);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (charCount < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((charCount < 0 ? "charCount" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetChars(bytes, byteCount, chars, charCount, null);
}
// Returns a string containing the decoded representation of a range of
// bytes in a byte array.
-
- public override String GetString(byte[] bytes, int index, int count)
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+ public override unsafe String GetString(byte[] bytes, int index, int count)
{
- return EncodingForwarder.GetString(this, bytes, index, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (bytes.Length - index < count)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // Avoid problems with empty input buffer
+ if (count == 0) return String.Empty;
+
+ fixed (byte* pBytes = bytes)
+ return String.CreateStringFromEncoding(
+ pBytes + index, count, this);
}
public override Decoder GetDecoder()
emitUTF32ByteOrderMark = byteOrderMark;
isThrowException = throwOnInvalidCharacters;
- // Encoding's constructor already did this, but it'll be wrong if we're throwing exceptions
+ // Encoding constructor already did this, but it'll be wrong if we're throwing exceptions
if (isThrowException)
SetDefaultFallbacks();
}
}
}
- // NOTE: Many methods in this class forward to EncodingForwarder for
- // validating arguments/wrapping the unsafe methods in this class
- // which do the actual work. That class contains
- // shared logic for doing this which is used by
- // ASCIIEncoding, EncodingNLS, UnicodeEncoding, UTF32Encoding,
- // UTF7Encoding, and UTF8Encoding.
- // The reason the code is separated out into a static class, rather
- // than a base class which overrides all of these methods for us
- // (which is what EncodingNLS is for internal Encodings) is because
- // that's really more of an implementation detail so it's internal.
- // At the same time, C# doesn't allow a public class subclassing an
- // internal/private one, so we end up having to re-override these
- // methods in all of the public Encodings + EncodingNLS.
+
+ // The following methods are copied from EncodingNLS.cs.
+ // Unfortunately EncodingNLS.cs is internal and we're public, so we have to reimpliment them here.
+ // These should be kept in sync for the following classes:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
// Returns the number of bytes required to encode a range of characters in
// a character array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetByteCount(char[] chars, int index, int count)
+ public override unsafe int GetByteCount(char[] chars, int index, int count)
{
- return EncodingForwarder.GetByteCount(this, chars, index, count);
+ // Validate input parameters
+ if (chars == null)
+ throw new ArgumentNullException("chars", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (chars.Length - index < count)
+ throw new ArgumentOutOfRangeException("chars", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // If no input, return 0, avoid fixed empty array problem
+ if (count == 0)
+ return 0;
+
+ // Just call the pointer version
+ fixed (char* pChars = chars)
+ return GetByteCount(pChars + index, count, null);
}
- public override int GetByteCount(String s)
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+
+ public override unsafe int GetByteCount(String s)
{
- return EncodingForwarder.GetByteCount(this, s);
+ // Validate input
+ if (s==null)
+ throw new ArgumentNullException("s");
+ Contract.EndContractBlock();
+
+ fixed (char* pChars = s)
+ return GetByteCount(pChars, s.Length, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetByteCount(char* chars, int count)
{
- return EncodingForwarder.GetByteCount(this, chars, count);
+ // Validate Parameters
+ if (chars == null)
+ throw new ArgumentNullException("chars", SR.ArgumentNull_Array);
+
+ if (count < 0)
+ throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ // Call it with empty encoder
+ return GetByteCount(chars, count, null);
}
- public override int GetBytes(String s, int charIndex, int charCount,
+ // Parent method is safe.
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
+ public override unsafe int GetBytes(String s, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
- return EncodingForwarder.GetBytes(this, s, charIndex, charCount, bytes, byteIndex);
+ if (s == null || bytes == null)
+ throw new ArgumentNullException((s == null ? "s" : "bytes"), SR.ArgumentNull_Array);
+
+ if (charIndex < 0 || charCount < 0)
+ throw new ArgumentOutOfRangeException((charIndex < 0 ? "charIndex" : "charCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (s.Length - charIndex < charCount)
+ throw new ArgumentOutOfRangeException("s", SR.ArgumentOutOfRange_IndexCount);
+
+ if (byteIndex < 0 || byteIndex > bytes.Length)
+ throw new ArgumentOutOfRangeException("byteIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ int byteCount = bytes.Length - byteIndex;
+
+ // Fix our input array if 0 length because fixed doesn't like 0 length arrays
+ if (bytes.Length == 0)
+ bytes = new byte[1];
+
+ fixed (char* pChars = s) fixed (byte* pBytes = &bytes[0])
+ return GetBytes(pChars + charIndex, charCount, pBytes + byteIndex, byteCount, null);
}
// Encodes a range of characters in a character array into a range of bytes
// Alternatively, the GetMaxByteCount method can be used to
// determine the maximum number of bytes that will be produced for a given
// number of characters, regardless of the actual character values.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetBytes(char[] chars, int charIndex, int charCount,
+ public override unsafe int GetBytes(char[] chars, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
- return EncodingForwarder.GetBytes(this, chars, charIndex, charCount, bytes, byteIndex);
+ // Validate parameters
+ if (chars == null || bytes == null)
+ throw new ArgumentNullException((chars == null ? "chars" : "bytes"), SR.ArgumentNull_Array);
+
+ if (charIndex < 0 || charCount < 0)
+ throw new ArgumentOutOfRangeException((charIndex < 0 ? "charIndex" : "charCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (chars.Length - charIndex < charCount)
+ throw new ArgumentOutOfRangeException("chars", SR.ArgumentOutOfRange_IndexCountBuffer);
+
+ if (byteIndex < 0 || byteIndex > bytes.Length)
+ throw new ArgumentOutOfRangeException("byteIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ // If nothing to encode return 0, avoid fixed problem
+ if (charCount == 0)
+ return 0;
+
+ // Just call pointer version
+ int byteCount = bytes.Length - byteIndex;
+
+ // Fix our input array if 0 length because fixed doesn't like 0 length arrays
+ if (bytes.Length == 0)
+ bytes = new byte[1];
+
+ fixed (char* pChars = chars) fixed (byte* pBytes = &bytes[0])
+ // Remember that byteCount is # to decode, not size of array.
+ return GetBytes(pChars + charIndex, charCount, pBytes + byteIndex, byteCount, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetBytes(char* chars, int charCount, byte* bytes, int byteCount)
{
- return EncodingForwarder.GetBytes(this, chars, charCount, bytes, byteCount);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (charCount < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((charCount < 0 ? "charCount" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetBytes(chars, charCount, bytes, byteCount, null);
}
// Returns the number of characters produced by decoding a range of bytes
// in a byte array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetCharCount(byte[] bytes, int index, int count)
+ public override unsafe int GetCharCount(byte[] bytes, int index, int count)
{
- return EncodingForwarder.GetCharCount(this, bytes, index, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (bytes.Length - index < count)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // If no input just return 0, fixed doesn't like 0 length arrays.
+ if (count == 0)
+ return 0;
+
+ // Just call pointer version
+ fixed (byte* pBytes = bytes)
+ return GetCharCount(pBytes + index, count, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetCharCount(byte* bytes, int count)
{
- return EncodingForwarder.GetCharCount(this, bytes, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (count < 0)
+ throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetCharCount(bytes, count, null);
}
- public override int GetChars(byte[] bytes, int byteIndex, int byteCount,
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+
+ public override unsafe int GetChars(byte[] bytes, int byteIndex, int byteCount,
char[] chars, int charIndex)
{
- return EncodingForwarder.GetChars(this, bytes, byteIndex, byteCount, chars, charIndex);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (byteIndex < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((byteIndex < 0 ? "byteIndex" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if ( bytes.Length - byteIndex < byteCount)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+
+ if (charIndex < 0 || charIndex > chars.Length)
+ throw new ArgumentOutOfRangeException("charIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ // If no input, return 0 & avoid fixed problem
+ if (byteCount == 0)
+ return 0;
+
+ // Just call pointer version
+ int charCount = chars.Length - charIndex;
+
+ // Fix our input array if 0 length because fixed doesn't like 0 length arrays
+ if (chars.Length == 0)
+ chars = new char[1];
+
+ fixed (byte* pBytes = bytes) fixed (char* pChars = &chars[0])
+ // Remember that charCount is # to decode, not size of array
+ return GetChars(pBytes + byteIndex, byteCount, pChars + charIndex, charCount, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public unsafe override int GetChars(byte* bytes, int byteCount, char* chars, int charCount)
{
- return EncodingForwarder.GetChars(this, bytes, byteCount, chars, charCount);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (charCount < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((charCount < 0 ? "charCount" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetChars(bytes, byteCount, chars, charCount, null);
}
// Returns a string containing the decoded representation of a range of
// bytes in a byte array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override String GetString(byte[] bytes, int index, int count)
+ public override unsafe String GetString(byte[] bytes, int index, int count)
{
- return EncodingForwarder.GetString(this, bytes, index, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (bytes.Length - index < count)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // Avoid problems with empty input buffer
+ if (count == 0) return String.Empty;
+
+ fixed (byte* pBytes = bytes)
+ return String.CreateStringFromEncoding(
+ pBytes + index, count, this);
}
- // End of overridden methods which use EncodingForwarder
+ //
+ // End of standard methods copied from EncodingNLS.cs
+ //
internal override unsafe int GetByteCount(char* chars, int count, EncoderNLS encoder)
{
internal override void SetDefaultFallbacks()
{
// UTF7 had an odd decoderFallback behavior, and the Encoder fallback
- // is irrelevent because we encode surrogates individually and never check for unmatched ones
+ // is irrelevant because we encode surrogates individually and never check for unmatched ones
// (so nothing can fallback during encoding)
this.encoderFallback = new EncoderReplacementFallback(String.Empty);
this.decoderFallback = new DecoderUTF7Fallback();
return this.CodePage + this.EncoderFallback.GetHashCode() + this.DecoderFallback.GetHashCode();
}
- // NOTE: Many methods in this class forward to EncodingForwarder for
- // validating arguments/wrapping the unsafe methods in this class
- // which do the actual work. That class contains
- // shared logic for doing this which is used by
- // ASCIIEncoding, EncodingNLS, UnicodeEncoding, UTF32Encoding,
- // UTF7Encoding, and UTF8Encoding.
- // The reason the code is separated out into a static class, rather
- // than a base class which overrides all of these methods for us
- // (which is what EncodingNLS is for internal Encodings) is because
- // that's really more of an implementation detail so it's internal.
- // At the same time, C# doesn't allow a public class subclassing an
- // internal/private one, so we end up having to re-override these
- // methods in all of the public Encodings + EncodingNLS.
+ // The following methods are copied from EncodingNLS.cs.
+ // Unfortunately EncodingNLS.cs is internal and we're public, so we have to reimpliment them here.
+ // These should be kept in sync for the following classes:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
// Returns the number of bytes required to encode a range of characters in
// a character array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetByteCount(char[] chars, int index, int count)
+ public override unsafe int GetByteCount(char[] chars, int index, int count)
{
- return EncodingForwarder.GetByteCount(this, chars, index, count);
+ // Validate input parameters
+ if (chars == null)
+ throw new ArgumentNullException("chars", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (chars.Length - index < count)
+ throw new ArgumentOutOfRangeException("chars", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // If no input, return 0, avoid fixed empty array problem
+ if (count == 0)
+ return 0;
+
+ // Just call the pointer version
+ fixed (char* pChars = chars)
+ return GetByteCount(pChars + index, count, null);
}
- public override int GetByteCount(String s)
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+
+ public override unsafe int GetByteCount(string s)
{
- return EncodingForwarder.GetByteCount(this, s);
+ // Validate input
+ if (s==null)
+ throw new ArgumentNullException("s");
+ Contract.EndContractBlock();
+
+ fixed (char* pChars = s)
+ return GetByteCount(pChars, s.Length, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetByteCount(char* chars, int count)
{
- return EncodingForwarder.GetByteCount(this, chars, count);
+ // Validate Parameters
+ if (chars == null)
+ throw new ArgumentNullException("chars", SR.ArgumentNull_Array);
+
+ if (count < 0)
+ throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ // Call it with empty encoder
+ return GetByteCount(chars, count, null);
}
- public override int GetBytes(String s, int charIndex, int charCount,
+ // Parent method is safe.
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
+ public override unsafe int GetBytes(string s, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
- return EncodingForwarder.GetBytes(this, s, charIndex, charCount, bytes, byteIndex);
+ if (s == null || bytes == null)
+ throw new ArgumentNullException((s == null ? "s" : "bytes"), SR.ArgumentNull_Array);
+
+ if (charIndex < 0 || charCount < 0)
+ throw new ArgumentOutOfRangeException((charIndex < 0 ? "charIndex" : "charCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (s.Length - charIndex < charCount)
+ throw new ArgumentOutOfRangeException("s", SR.ArgumentOutOfRange_IndexCount);
+
+ if (byteIndex < 0 || byteIndex > bytes.Length)
+ throw new ArgumentOutOfRangeException("byteIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ int byteCount = bytes.Length - byteIndex;
+
+ // Fixed doesn't like empty arrays
+ if (bytes.Length == 0)
+ bytes = new byte[1];
+
+ fixed (char* pChars = s) fixed (byte* pBytes = &bytes[0])
+ return GetBytes(pChars + charIndex, charCount, pBytes + byteIndex, byteCount, null);
}
// Encodes a range of characters in a character array into a range of bytes
// Alternatively, the GetMaxByteCount method can be used to
// determine the maximum number of bytes that will be produced for a given
// number of characters, regardless of the actual character values.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetBytes(char[] chars, int charIndex, int charCount,
+ public override unsafe int GetBytes(char[] chars, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
- return EncodingForwarder.GetBytes(this, chars, charIndex, charCount, bytes, byteIndex);
+ // Validate parameters
+ if (chars == null || bytes == null)
+ throw new ArgumentNullException((chars == null ? "chars" : "bytes"), SR.ArgumentNull_Array);
+
+ if (charIndex < 0 || charCount < 0)
+ throw new ArgumentOutOfRangeException((charIndex < 0 ? "charIndex" : "charCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (chars.Length - charIndex < charCount)
+ throw new ArgumentOutOfRangeException("chars", SR.ArgumentOutOfRange_IndexCountBuffer);
+
+ if (byteIndex < 0 || byteIndex > bytes.Length)
+ throw new ArgumentOutOfRangeException("byteIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ // If nothing to encode return 0, avoid fixed problem
+ if (charCount == 0)
+ return 0;
+
+ // Just call pointer version
+ int byteCount = bytes.Length - byteIndex;
+
+ // Fixed doesn't like empty arrays
+ if (bytes.Length == 0)
+ bytes = new byte[1];
+
+ fixed (char* pChars = chars) fixed (byte* pBytes = &bytes[0])
+ // Remember that byteCount is # to decode, not size of array.
+ return GetBytes(pChars + charIndex, charCount, pBytes + byteIndex, byteCount, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetBytes(char* chars, int charCount, byte* bytes, int byteCount)
{
- return EncodingForwarder.GetBytes(this, chars, charCount, bytes, byteCount);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (charCount < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((charCount < 0 ? "charCount" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetBytes(chars, charCount, bytes, byteCount, null);
}
// Returns the number of characters produced by decoding a range of bytes
// in a byte array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetCharCount(byte[] bytes, int index, int count)
+ public override unsafe int GetCharCount(byte[] bytes, int index, int count)
{
- return EncodingForwarder.GetCharCount(this, bytes, index, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (bytes.Length - index < count)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // If no input just return 0, fixed doesn't like 0 length arrays.
+ if (count == 0)
+ return 0;
+
+ // Just call pointer version
+ fixed (byte* pBytes = bytes)
+ return GetCharCount(pBytes + index, count, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetCharCount(byte* bytes, int count)
{
- return EncodingForwarder.GetCharCount(this, bytes, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (count < 0)
+ throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetCharCount(bytes, count, null);
}
- public override int GetChars(byte[] bytes, int byteIndex, int byteCount,
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+
+ public override unsafe int GetChars(byte[] bytes, int byteIndex, int byteCount,
char[] chars, int charIndex)
{
- return EncodingForwarder.GetChars(this, bytes, byteIndex, byteCount, chars, charIndex);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (byteIndex < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((byteIndex < 0 ? "byteIndex" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if ( bytes.Length - byteIndex < byteCount)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+
+ if (charIndex < 0 || charIndex > chars.Length)
+ throw new ArgumentOutOfRangeException("charIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ // If no input, return 0 & avoid fixed problem
+ if (byteCount == 0)
+ return 0;
+
+ // Just call pointer version
+ int charCount = chars.Length - charIndex;
+
+ // Fixed doesn't like empty arrays
+ if (chars.Length == 0)
+ chars = new char[1];
+
+ fixed (byte* pBytes = bytes) fixed (char* pChars = &chars[0])
+ // Remember that charCount is # to decode, not size of array
+ return GetChars(pBytes + byteIndex, byteCount, pChars + charIndex, charCount, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public unsafe override int GetChars(byte* bytes, int byteCount, char* chars, int charCount)
{
- return EncodingForwarder.GetChars(this, bytes, byteCount, chars, charCount);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (charCount < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((charCount < 0 ? "charCount" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetChars(bytes, byteCount, chars, charCount, null);
}
// Returns a string containing the decoded representation of a range of
// bytes in a byte array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override String GetString(byte[] bytes, int index, int count)
+ public override unsafe String GetString(byte[] bytes, int index, int count)
{
- return EncodingForwarder.GetString(this, bytes, index, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (bytes.Length - index < count)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // Avoid problems with empty input buffer
+ if (count == 0) return String.Empty;
+
+ fixed (byte* pBytes = bytes)
+ return String.CreateStringFromEncoding(
+ pBytes + index, count, this);
}
- // End of overridden methods which use EncodingForwarder
+ //
+ // End of standard methods copied from EncodingNLS.cs
+ //
internal override unsafe int GetByteCount(char* chars, int count, EncoderNLS baseEncoder)
{
}
}
- // NOTE: Many methods in this class forward to EncodingForwarder for
- // validating arguments/wrapping the unsafe methods in this class
- // which do the actual work. That class contains
- // shared logic for doing this which is used by
- // ASCIIEncoding, EncodingNLS, UnicodeEncoding, UTF32Encoding,
- // UTF7Encoding, and UTF8Encoding.
- // The reason the code is separated out into a static class, rather
- // than a base class which overrides all of these methods for us
- // (which is what EncodingNLS is for internal Encodings) is because
- // that's really more of an implementation detail so it's internal.
- // At the same time, C# doesn't allow a public class subclassing an
- // internal/private one, so we end up having to re-override these
- // methods in all of the public Encodings + EncodingNLS.
+
+ // WARNING: GetByteCount(string chars)
+ // WARNING: has different variable names than EncodingNLS.cs, so this can't just be cut & pasted,
+ // WARNING: otherwise it'll break VB's way of declaring these.
+ //
+ // The following methods are copied from EncodingNLS.cs.
+ // Unfortunately EncodingNLS.cs is internal and we're public, so we have to reimpliment them here.
+ // These should be kept in sync for the following classes:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
// Returns the number of bytes required to encode a range of characters in
// a character array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetByteCount(char[] chars, int index, int count)
+ public override unsafe int GetByteCount(char[] chars, int index, int count)
{
- return EncodingForwarder.GetByteCount(this, chars, index, count);
+ // Validate input parameters
+ if (chars == null)
+ throw new ArgumentNullException("chars", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (chars.Length - index < count)
+ throw new ArgumentOutOfRangeException("chars", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // If no input, return 0, avoid fixed empty array problem
+ if (count == 0)
+ return 0;
+
+ // Just call the pointer version
+ fixed (char* pChars = chars)
+ return GetByteCount(pChars + index, count, null);
}
- public override int GetByteCount(String chars)
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+
+ public override unsafe int GetByteCount(String chars)
{
- return EncodingForwarder.GetByteCount(this, chars);
+ // Validate input
+ if (chars==null)
+ throw new ArgumentNullException("s");
+ Contract.EndContractBlock();
+
+ fixed (char* pChars = chars)
+ return GetByteCount(pChars, chars.Length, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetByteCount(char* chars, int count)
{
- return EncodingForwarder.GetByteCount(this, chars, count);
+ // Validate Parameters
+ if (chars == null)
+ throw new ArgumentNullException("chars", SR.ArgumentNull_Array);
+
+ if (count < 0)
+ throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ // Call it with empty encoder
+ return GetByteCount(chars, count, null);
}
- public override int GetBytes(String s, int charIndex, int charCount,
+ // Parent method is safe.
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
+ public override unsafe int GetBytes(String s, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
- return EncodingForwarder.GetBytes(this, s, charIndex, charCount, bytes, byteIndex);
+ if (s == null || bytes == null)
+ throw new ArgumentNullException((s == null ? "s" : "bytes"), SR.ArgumentNull_Array);
+
+ if (charIndex < 0 || charCount < 0)
+ throw new ArgumentOutOfRangeException((charIndex < 0 ? "charIndex" : "charCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (s.Length - charIndex < charCount)
+ throw new ArgumentOutOfRangeException("s", SR.ArgumentOutOfRange_IndexCount);
+
+ if (byteIndex < 0 || byteIndex > bytes.Length)
+ throw new ArgumentOutOfRangeException("byteIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ int byteCount = bytes.Length - byteIndex;
+
+ // Fixed doesn't like 0 length arrays.
+ if (bytes.Length == 0)
+ bytes = new byte[1];
+
+ fixed (char* pChars = s) fixed (byte* pBytes = &bytes[0])
+ return GetBytes(pChars + charIndex, charCount, pBytes + byteIndex, byteCount, null);
}
// Encodes a range of characters in a character array into a range of bytes
// Alternatively, the GetMaxByteCount method can be used to
// determine the maximum number of bytes that will be produced for a given
// number of characters, regardless of the actual character values.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetBytes(char[] chars, int charIndex, int charCount,
+ public override unsafe int GetBytes(char[] chars, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
- return EncodingForwarder.GetBytes(this, chars, charIndex, charCount, bytes, byteIndex);
+ // Validate parameters
+ if (chars == null || bytes == null)
+ throw new ArgumentNullException((chars == null ? "chars" : "bytes"), SR.ArgumentNull_Array);
+
+ if (charIndex < 0 || charCount < 0)
+ throw new ArgumentOutOfRangeException((charIndex < 0 ? "charIndex" : "charCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (chars.Length - charIndex < charCount)
+ throw new ArgumentOutOfRangeException("chars", SR.ArgumentOutOfRange_IndexCountBuffer);
+
+ if (byteIndex < 0 || byteIndex > bytes.Length)
+ throw new ArgumentOutOfRangeException("byteIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ // If nothing to encode return 0, avoid fixed problem
+ if (charCount == 0)
+ return 0;
+
+ // Just call pointer version
+ int byteCount = bytes.Length - byteIndex;
+
+ // Fixed doesn't like 0 length arrays.
+ if (bytes.Length == 0)
+ bytes = new byte[1];
+
+ fixed (char* pChars = chars) fixed (byte* pBytes = &bytes[0])
+ // Remember that byteCount is # to decode, not size of array.
+ return GetBytes(pChars + charIndex, charCount, pBytes + byteIndex, byteCount, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetBytes(char* chars, int charCount, byte* bytes, int byteCount)
{
- return EncodingForwarder.GetBytes(this, chars, charCount, bytes, byteCount);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (charCount < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((charCount < 0 ? "charCount" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetBytes(chars, charCount, bytes, byteCount, null);
}
// Returns the number of characters produced by decoding a range of bytes
// in a byte array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetCharCount(byte[] bytes, int index, int count)
+ public override unsafe int GetCharCount(byte[] bytes, int index, int count)
{
- return EncodingForwarder.GetCharCount(this, bytes, index, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (bytes.Length - index < count)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // If no input just return 0, fixed doesn't like 0 length arrays.
+ if (count == 0)
+ return 0;
+
+ // Just call pointer version
+ fixed (byte* pBytes = bytes)
+ return GetCharCount(pBytes + index, count, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetCharCount(byte* bytes, int count)
{
- return EncodingForwarder.GetCharCount(this, bytes, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (count < 0)
+ throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetCharCount(bytes, count, null);
}
- public override int GetChars(byte[] bytes, int byteIndex, int byteCount,
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+
+ public override unsafe int GetChars(byte[] bytes, int byteIndex, int byteCount,
char[] chars, int charIndex)
{
- return EncodingForwarder.GetChars(this, bytes, byteIndex, byteCount, chars, charIndex);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (byteIndex < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((byteIndex < 0 ? "byteIndex" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if ( bytes.Length - byteIndex < byteCount)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+
+ if (charIndex < 0 || charIndex > chars.Length)
+ throw new ArgumentOutOfRangeException("charIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ // If no input, return 0 & avoid fixed problem
+ if (byteCount == 0)
+ return 0;
+
+ // Just call pointer version
+ int charCount = chars.Length - charIndex;
+
+ // Fixed doesn't like 0 length arrays.
+ if (chars.Length == 0)
+ chars = new char[1];
+
+ fixed (byte* pBytes = bytes) fixed (char* pChars = &chars[0])
+ // Remember that charCount is # to decode, not size of array
+ return GetChars(pBytes + byteIndex, byteCount, pChars + charIndex, charCount, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public unsafe override int GetChars(byte* bytes, int byteCount, char* chars, int charCount)
{
- return EncodingForwarder.GetChars(this, bytes, byteCount, chars, charCount);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (charCount < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((charCount < 0 ? "charCount" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetChars(bytes, byteCount, chars, charCount, null);
}
// Returns a string containing the decoded representation of a range of
// bytes in a byte array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override String GetString(byte[] bytes, int index, int count)
+ public override unsafe String GetString(byte[] bytes, int index, int count)
{
- return EncodingForwarder.GetString(this, bytes, index, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (bytes.Length - index < count)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // Avoid problems with empty input buffer
+ if (count == 0) return String.Empty;
+
+ fixed (byte* pBytes = bytes)
+ return String.CreateStringFromEncoding(
+ pBytes + index, count, this);
}
- // End of overridden methods which use EncodingForwarder
+ //
+ // End of standard methods copied from EncodingNLS.cs
+ //
// To simplify maintenance, the structure of GetByteCount and GetBytes should be
// kept the same as much as possible
this.bigEndian = bigEndian;
this.byteOrderMark = byteOrderMark;
- // Encoding's constructor already did this, but it'll be wrong if we're throwing exceptions
+ // Encoding constructor already did this, but it'll be wrong if we're throwing exceptions
if (this.isThrowException)
SetDefaultFallbacks();
}
}
}
- // NOTE: Many methods in this class forward to EncodingForwarder for
- // validating arguments/wrapping the unsafe methods in this class
- // which do the actual work. That class contains
- // shared logic for doing this which is used by
- // ASCIIEncoding, EncodingNLS, UnicodeEncoding, UTF32Encoding,
- // UTF7Encoding, and UTF8Encoding.
- // The reason the code is separated out into a static class, rather
- // than a base class which overrides all of these methods for us
- // (which is what EncodingNLS is for internal Encodings) is because
- // that's really more of an implementation detail so it's internal.
- // At the same time, C# doesn't allow a public class subclassing an
- // internal/private one, so we end up having to re-override these
- // methods in all of the public Encodings + EncodingNLS.
+ // The following methods are copied from EncodingNLS.cs.
+ // Unfortunately EncodingNLS.cs is internal and we're public, so we have to reimpliment them here.
+ // These should be kept in sync for the following classes:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ //
// Returns the number of bytes required to encode a range of characters in
// a character array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetByteCount(char[] chars, int index, int count)
+ public override unsafe int GetByteCount(char[] chars, int index, int count)
{
- return EncodingForwarder.GetByteCount(this, chars, index, count);
+ // Validate input parameters
+ if (chars == null)
+ throw new ArgumentNullException("chars", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (chars.Length - index < count)
+ throw new ArgumentOutOfRangeException("chars", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // If no input, return 0, avoid fixed empty array problem
+ if (count == 0)
+ return 0;
+
+ // Just call the pointer version
+ fixed (char* pChars = chars)
+ return GetByteCount(pChars + index, count, null);
}
- public override int GetByteCount(String s)
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+
+ public override unsafe int GetByteCount(String s)
{
- return EncodingForwarder.GetByteCount(this, s);
+ // Validate input
+ if (s==null)
+ throw new ArgumentNullException("s");
+ Contract.EndContractBlock();
+
+ fixed (char* pChars = s)
+ return GetByteCount(pChars, s.Length, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetByteCount(char* chars, int count)
{
- return EncodingForwarder.GetByteCount(this, chars, count);
+ // Validate Parameters
+ if (chars == null)
+ throw new ArgumentNullException("chars", SR.ArgumentNull_Array);
+
+ if (count < 0)
+ throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ // Call it with empty encoder
+ return GetByteCount(chars, count, null);
}
- public override int GetBytes(String s, int charIndex, int charCount,
+ // Parent method is safe.
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
+ public override unsafe int GetBytes(String s, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
- return EncodingForwarder.GetBytes(this, s, charIndex, charCount, bytes, byteIndex);
+ if (s == null || bytes == null)
+ throw new ArgumentNullException((s == null ? "s" : "bytes"), SR.ArgumentNull_Array);
+
+ if (charIndex < 0 || charCount < 0)
+ throw new ArgumentOutOfRangeException((charIndex < 0 ? "charIndex" : "charCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (s.Length - charIndex < charCount)
+ throw new ArgumentOutOfRangeException("s", SR.ArgumentOutOfRange_IndexCount);
+
+ if (byteIndex < 0 || byteIndex > bytes.Length)
+ throw new ArgumentOutOfRangeException("byteIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ int byteCount = bytes.Length - byteIndex;
+
+ // Fixed doesn't like 0 length arrays.
+ if (bytes.Length == 0)
+ bytes = new byte[1];
+
+ fixed (char* pChars = s) fixed (byte* pBytes = &bytes[0])
+ return GetBytes(pChars + charIndex, charCount, pBytes + byteIndex, byteCount, null);
}
// Encodes a range of characters in a character array into a range of bytes
// Alternatively, the GetMaxByteCount method can be used to
// determine the maximum number of bytes that will be produced for a given
// number of characters, regardless of the actual character values.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetBytes(char[] chars, int charIndex, int charCount,
+ public override unsafe int GetBytes(char[] chars, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
- return EncodingForwarder.GetBytes(this, chars, charIndex, charCount, bytes, byteIndex);
+ // Validate parameters
+ if (chars == null || bytes == null)
+ throw new ArgumentNullException((chars == null ? "chars" : "bytes"), SR.ArgumentNull_Array);
+
+ if (charIndex < 0 || charCount < 0)
+ throw new ArgumentOutOfRangeException((charIndex < 0 ? "charIndex" : "charCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (chars.Length - charIndex < charCount)
+ throw new ArgumentOutOfRangeException("chars", SR.ArgumentOutOfRange_IndexCountBuffer);
+
+ if (byteIndex < 0 || byteIndex > bytes.Length)
+ throw new ArgumentOutOfRangeException("byteIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ // If nothing to encode return 0, avoid fixed problem
+ if (charCount == 0)
+ return 0;
+
+ // Just call pointer version
+ int byteCount = bytes.Length - byteIndex;
+
+ // Fixed doesn't like 0 length arrays.
+ if (bytes.Length == 0)
+ bytes = new byte[1];
+
+ fixed (char* pChars = chars) fixed (byte* pBytes = &bytes[0])
+ // Remember that byteCount is # to decode, not size of array.
+ return GetBytes(pChars + charIndex, charCount, pBytes + byteIndex, byteCount, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetBytes(char* chars, int charCount, byte* bytes, int byteCount)
{
- return EncodingForwarder.GetBytes(this, chars, charCount, bytes, byteCount);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (charCount < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((charCount < 0 ? "charCount" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetBytes(chars, charCount, bytes, byteCount, null);
}
// Returns the number of characters produced by decoding a range of bytes
// in a byte array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override int GetCharCount(byte[] bytes, int index, int count)
+ public override unsafe int GetCharCount(byte[] bytes, int index, int count)
{
- return EncodingForwarder.GetCharCount(this, bytes, index, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (bytes.Length - index < count)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // If no input just return 0, fixed doesn't like 0 length arrays
+ if (count == 0)
+ return 0;
+
+ // Just call pointer version
+ fixed (byte* pBytes = bytes)
+ return GetCharCount(pBytes + index, count, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public override unsafe int GetCharCount(byte* bytes, int count)
{
- return EncodingForwarder.GetCharCount(this, bytes, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (count < 0)
+ throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetCharCount(bytes, count, null);
}
- public override int GetChars(byte[] bytes, int byteIndex, int byteCount,
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
+
+ public override unsafe int GetChars(byte[] bytes, int byteIndex, int byteCount,
char[] chars, int charIndex)
{
- return EncodingForwarder.GetChars(this, bytes, byteIndex, byteCount, chars, charIndex);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (byteIndex < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((byteIndex < 0 ? "byteIndex" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if ( bytes.Length - byteIndex < byteCount)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+
+ if (charIndex < 0 || charIndex > chars.Length)
+ throw new ArgumentOutOfRangeException("charIndex", SR.ArgumentOutOfRange_Index);
+ Contract.EndContractBlock();
+
+ // If no input, return 0 & avoid fixed problem
+ if (byteCount == 0)
+ return 0;
+
+ // Just call pointer version
+ int charCount = chars.Length - charIndex;
+
+ // Fixed doesn't like 0 length arrays.
+ if (chars.Length == 0)
+ chars = new char[1];
+
+ fixed (byte* pBytes = bytes) fixed (char* pChars = &chars[0])
+ // Remember that charCount is # to decode, not size of array
+ return GetChars(pBytes + byteIndex, byteCount, pChars + charIndex, charCount, null);
}
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+
[CLSCompliant(false)]
public unsafe override int GetChars(byte* bytes, int byteCount, char* chars, int charCount)
{
- return EncodingForwarder.GetChars(this, bytes, byteCount, chars, charCount);
+ // Validate Parameters
+ if (bytes == null || chars == null)
+ throw new ArgumentNullException(bytes == null ? "bytes" : "chars", SR.ArgumentNull_Array);
+
+ if (charCount < 0 || byteCount < 0)
+ throw new ArgumentOutOfRangeException((charCount < 0 ? "charCount" : "byteCount"), SR.ArgumentOutOfRange_NeedNonNegNum);
+ Contract.EndContractBlock();
+
+ return GetChars(bytes, byteCount, chars, charCount, null);
}
// Returns a string containing the decoded representation of a range of
// bytes in a byte array.
+ //
+ // All of our public Encodings that don't use EncodingNLS must have this (including EncodingNLS)
+ // So if you fix this, fix the others. Currently those include:
+ // EncodingNLS, UTF7Encoding, UTF8Encoding, UTF32Encoding, ASCIIEncoding, UnicodeEncoding
+ // parent method is safe
- public override String GetString(byte[] bytes, int index, int count)
+ public override unsafe string GetString(byte[] bytes, int index, int count)
{
- return EncodingForwarder.GetString(this, bytes, index, count);
+ // Validate Parameters
+ if (bytes == null)
+ throw new ArgumentNullException("bytes", SR.ArgumentNull_Array);
+
+ if (index < 0 || count < 0)
+ throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"), SR.ArgumentOutOfRange_NeedNonNegNum);
+
+ if (bytes.Length - index < count)
+ throw new ArgumentOutOfRangeException("bytes", SR.ArgumentOutOfRange_IndexCountBuffer);
+ Contract.EndContractBlock();
+
+ // Avoid problems with empty input buffer
+ if (count == 0) return String.Empty;
+
+ fixed (byte* pBytes = bytes)
+ return String.CreateStringFromEncoding(
+ pBytes + index, count, this);
}
- // End of overridden methods which use EncodingForwarder
+ //
+ // End of standard methods copied from EncodingNLS.cs
+ //
internal override unsafe int GetByteCount(char* chars, int count, EncoderNLS encoder)
{
projects / platform / upstream / coreclr.git / commitdiff