Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Text / EncodingNLS.cs / 1305376 / EncodingNLS.cs
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
#if FEATURE_ENCODINGNLS
namespace System.Text
{
using System;
using System.Diagnostics.Contracts;
using System.Collections;
using System.Runtime.Remoting;
using System.Globalization;
using System.Threading;
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.
//
[System.Runtime.InteropServices.ComVisible(true)]
[Serializable]
internal abstract class EncodingNLS : Encoding
{
protected EncodingNLS(int codePage) : base(codePage)
{
}
// 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
[System.Security.SecuritySafeCritical] // overrides public transparent member
public override unsafe int GetByteCount(char[] chars, int index, int count)
{
// Validate input parameters
if (chars == null)
throw new ArgumentNullException("chars",
Environment.GetResourceString("ArgumentNull_Array"));
if (index < 0 || count < 0)
throw new ArgumentOutOfRangeException((index<0 ? "index" : "count"),
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
if (chars.Length - index < count)
throw new ArgumentOutOfRangeException("chars",
Environment.GetResourceString("ArgumentOutOfRange_IndexCountBuffer"));
Contract.EndContractBlock();
// If no input, return 0, avoid fixed empty array problem
if (chars.Length == 0)
return 0;
// Just call the pointer version
fixed (char* pChars = chars)
return GetByteCount(pChars + 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
// parent method is safe
[System.Security.SecuritySafeCritical] // overrides public transparent member
public override unsafe int GetByteCount(String 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
[System.Security.SecurityCritical] // auto-generated
public override unsafe int GetByteCount(char* chars, int count)
{
// Validate Parameters
if (chars == null)
throw new ArgumentNullException("chars",
Environment.GetResourceString("ArgumentNull_Array"));
if (count < 0)
throw new ArgumentOutOfRangeException("count",
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
Contract.EndContractBlock();
// Call it with empty encoder
return GetByteCount(chars, count, null);
}
// 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
[System.Security.SecuritySafeCritical] // overrides public transparent member
public override unsafe int GetBytes(String s, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
if (s == null || bytes == null)
throw new ArgumentNullException((s == null ? "s" : "bytes"),
Environment.GetResourceString("ArgumentNull_Array"));
if (charIndex < 0 || charCount < 0)
throw new ArgumentOutOfRangeException((charIndex<0 ? "charIndex" : "charCount"),
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
if (s.Length - charIndex < charCount)
throw new ArgumentOutOfRangeException("s",
Environment.GetResourceString("ArgumentOutOfRange_IndexCount"));
if (byteIndex < 0 || byteIndex > bytes.Length)
throw new ArgumentOutOfRangeException("byteIndex",
Environment.GetResourceString("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)
return GetBytes(pChars + charIndex, charCount,
pBytes + byteIndex, byteCount, null);
}
// Encodes a range of characters in a character array into a range of bytes
// in a byte array. An exception occurs if the byte array is not large
// enough to hold the complete encoding of the characters. The
// GetByteCount method can be used to determine the exact number of
// bytes that will be produced for a given range of characters.
// 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
[System.Security.SecuritySafeCritical] // overrides public transparent member
public override unsafe int GetBytes(char[] chars, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
// Validate parameters
if (chars == null || bytes == null)
throw new ArgumentNullException((chars == null ? "chars" : "bytes"),
Environment.GetResourceString("ArgumentNull_Array"));
if (charIndex < 0 || charCount < 0)
throw new ArgumentOutOfRangeException((charIndex<0 ? "charIndex" : "charCount"),
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
if (chars.Length - charIndex < charCount)
throw new ArgumentOutOfRangeException("chars",
Environment.GetResourceString("ArgumentOutOfRange_IndexCountBuffer"));
if (byteIndex < 0 || byteIndex > bytes.Length)
throw new ArgumentOutOfRangeException("byteIndex",
Environment.GetResourceString("ArgumentOutOfRange_Index"));
Contract.EndContractBlock();
// If nothing to encode return 0, avoid fixed problem
if (chars.Length == 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)
// 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
[System.Security.SecurityCritical] // auto-generated
public override unsafe int GetBytes(char* chars, int charCount, byte* bytes, int byteCount)
{
// Validate Parameters
if (bytes == null || chars == null)
throw new ArgumentNullException(bytes == null ? "bytes" : "chars",
Environment.GetResourceString("ArgumentNull_Array"));
if (charCount < 0 || byteCount < 0)
throw new ArgumentOutOfRangeException((charCount<0 ? "charCount" : "byteCount"),
Environment.GetResourceString("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
[System.Security.SecuritySafeCritical] // overrides public transparent member
public override unsafe int GetCharCount(byte[] bytes, int index, int count)
{
// Validate Parameters
if (bytes == null)
throw new ArgumentNullException("bytes",
Environment.GetResourceString("ArgumentNull_Array"));
if (index < 0 || count < 0)
throw new ArgumentOutOfRangeException((index<0 ? "index" : "count"),
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
if (bytes.Length - index < count)
throw new ArgumentOutOfRangeException("bytes",
Environment.GetResourceString("ArgumentOutOfRange_IndexCountBuffer"));
Contract.EndContractBlock();
// If no input just return 0, fixed doesn't like 0 length arrays
if (bytes.Length == 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
[System.Security.SecurityCritical] // auto-generated
public override unsafe int GetCharCount(byte* bytes, int count)
{
// Validate Parameters
if (bytes == null)
throw new ArgumentNullException("bytes",
Environment.GetResourceString("ArgumentNull_Array"));
if (count < 0)
throw new ArgumentOutOfRangeException("count",
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
Contract.EndContractBlock();
return GetCharCount(bytes, 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
// parent method is safe
[System.Security.SecuritySafeCritical] // overrides public transparent member
public override unsafe int GetChars(byte[] bytes, int byteIndex, int byteCount,
char[] chars, int charIndex)
{
// Validate Parameters
if (bytes == null || chars == null)
throw new ArgumentNullException(bytes == null ? "bytes" : "chars",
Environment.GetResourceString("ArgumentNull_Array"));
if (byteIndex < 0 || byteCount < 0)
throw new ArgumentOutOfRangeException((byteIndex<0 ? "byteIndex" : "byteCount"),
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
if ( bytes.Length - byteIndex < byteCount)
throw new ArgumentOutOfRangeException("bytes",
Environment.GetResourceString("ArgumentOutOfRange_IndexCountBuffer"));
if (charIndex < 0 || charIndex > chars.Length)
throw new ArgumentOutOfRangeException("charIndex",
Environment.GetResourceString("ArgumentOutOfRange_Index"));
Contract.EndContractBlock();
// If no input, return 0 & avoid fixed problem
if (bytes.Length == 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)
// 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
[System.Security.SecurityCritical] // auto-generated
public unsafe override int GetChars(byte* bytes, int byteCount, char* chars, int charCount)
{
// Validate Parameters
if (bytes == null || chars == null)
throw new ArgumentNullException(bytes == null ? "bytes" : "chars",
Environment.GetResourceString("ArgumentNull_Array"));
if (charCount < 0 || byteCount < 0)
throw new ArgumentOutOfRangeException((charCount<0 ? "charCount" : "byteCount"),
Environment.GetResourceString("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
[System.Security.SecuritySafeCritical] // overrides public transparent member
public override unsafe String GetString(byte[] bytes, int index, int count)
{
// Validate Parameters
if (bytes == null)
throw new ArgumentNullException("bytes",
Environment.GetResourceString("ArgumentNull_Array"));
if (index < 0 || count < 0)
throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"),
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
if (bytes.Length - index < count)
throw new ArgumentOutOfRangeException("bytes",
Environment.GetResourceString("ArgumentOutOfRange_IndexCountBuffer"));
Contract.EndContractBlock();
// Avoid problems with empty input buffer
if (bytes.Length == 0) return String.Empty;
fixed (byte* pBytes = bytes)
return String.CreateStringFromEncoding(
pBytes + index, count, this);
}
public override Decoder GetDecoder()
{
return new DecoderNLS(this);
}
public override Encoder GetEncoder()
{
return new EncoderNLS(this);
}
}
}
#endif // FEATURE_ENCODINGNLS
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
#if FEATURE_ENCODINGNLS
namespace System.Text
{
using System;
using System.Diagnostics.Contracts;
using System.Collections;
using System.Runtime.Remoting;
using System.Globalization;
using System.Threading;
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.
//
[System.Runtime.InteropServices.ComVisible(true)]
[Serializable]
internal abstract class EncodingNLS : Encoding
{
protected EncodingNLS(int codePage) : base(codePage)
{
}
// 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
[System.Security.SecuritySafeCritical] // overrides public transparent member
public override unsafe int GetByteCount(char[] chars, int index, int count)
{
// Validate input parameters
if (chars == null)
throw new ArgumentNullException("chars",
Environment.GetResourceString("ArgumentNull_Array"));
if (index < 0 || count < 0)
throw new ArgumentOutOfRangeException((index<0 ? "index" : "count"),
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
if (chars.Length - index < count)
throw new ArgumentOutOfRangeException("chars",
Environment.GetResourceString("ArgumentOutOfRange_IndexCountBuffer"));
Contract.EndContractBlock();
// If no input, return 0, avoid fixed empty array problem
if (chars.Length == 0)
return 0;
// Just call the pointer version
fixed (char* pChars = chars)
return GetByteCount(pChars + 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
// parent method is safe
[System.Security.SecuritySafeCritical] // overrides public transparent member
public override unsafe int GetByteCount(String 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
[System.Security.SecurityCritical] // auto-generated
public override unsafe int GetByteCount(char* chars, int count)
{
// Validate Parameters
if (chars == null)
throw new ArgumentNullException("chars",
Environment.GetResourceString("ArgumentNull_Array"));
if (count < 0)
throw new ArgumentOutOfRangeException("count",
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
Contract.EndContractBlock();
// Call it with empty encoder
return GetByteCount(chars, count, null);
}
// 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
[System.Security.SecuritySafeCritical] // overrides public transparent member
public override unsafe int GetBytes(String s, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
if (s == null || bytes == null)
throw new ArgumentNullException((s == null ? "s" : "bytes"),
Environment.GetResourceString("ArgumentNull_Array"));
if (charIndex < 0 || charCount < 0)
throw new ArgumentOutOfRangeException((charIndex<0 ? "charIndex" : "charCount"),
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
if (s.Length - charIndex < charCount)
throw new ArgumentOutOfRangeException("s",
Environment.GetResourceString("ArgumentOutOfRange_IndexCount"));
if (byteIndex < 0 || byteIndex > bytes.Length)
throw new ArgumentOutOfRangeException("byteIndex",
Environment.GetResourceString("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)
return GetBytes(pChars + charIndex, charCount,
pBytes + byteIndex, byteCount, null);
}
// Encodes a range of characters in a character array into a range of bytes
// in a byte array. An exception occurs if the byte array is not large
// enough to hold the complete encoding of the characters. The
// GetByteCount method can be used to determine the exact number of
// bytes that will be produced for a given range of characters.
// 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
[System.Security.SecuritySafeCritical] // overrides public transparent member
public override unsafe int GetBytes(char[] chars, int charIndex, int charCount,
byte[] bytes, int byteIndex)
{
// Validate parameters
if (chars == null || bytes == null)
throw new ArgumentNullException((chars == null ? "chars" : "bytes"),
Environment.GetResourceString("ArgumentNull_Array"));
if (charIndex < 0 || charCount < 0)
throw new ArgumentOutOfRangeException((charIndex<0 ? "charIndex" : "charCount"),
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
if (chars.Length - charIndex < charCount)
throw new ArgumentOutOfRangeException("chars",
Environment.GetResourceString("ArgumentOutOfRange_IndexCountBuffer"));
if (byteIndex < 0 || byteIndex > bytes.Length)
throw new ArgumentOutOfRangeException("byteIndex",
Environment.GetResourceString("ArgumentOutOfRange_Index"));
Contract.EndContractBlock();
// If nothing to encode return 0, avoid fixed problem
if (chars.Length == 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)
// 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
[System.Security.SecurityCritical] // auto-generated
public override unsafe int GetBytes(char* chars, int charCount, byte* bytes, int byteCount)
{
// Validate Parameters
if (bytes == null || chars == null)
throw new ArgumentNullException(bytes == null ? "bytes" : "chars",
Environment.GetResourceString("ArgumentNull_Array"));
if (charCount < 0 || byteCount < 0)
throw new ArgumentOutOfRangeException((charCount<0 ? "charCount" : "byteCount"),
Environment.GetResourceString("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
[System.Security.SecuritySafeCritical] // overrides public transparent member
public override unsafe int GetCharCount(byte[] bytes, int index, int count)
{
// Validate Parameters
if (bytes == null)
throw new ArgumentNullException("bytes",
Environment.GetResourceString("ArgumentNull_Array"));
if (index < 0 || count < 0)
throw new ArgumentOutOfRangeException((index<0 ? "index" : "count"),
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
if (bytes.Length - index < count)
throw new ArgumentOutOfRangeException("bytes",
Environment.GetResourceString("ArgumentOutOfRange_IndexCountBuffer"));
Contract.EndContractBlock();
// If no input just return 0, fixed doesn't like 0 length arrays
if (bytes.Length == 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
[System.Security.SecurityCritical] // auto-generated
public override unsafe int GetCharCount(byte* bytes, int count)
{
// Validate Parameters
if (bytes == null)
throw new ArgumentNullException("bytes",
Environment.GetResourceString("ArgumentNull_Array"));
if (count < 0)
throw new ArgumentOutOfRangeException("count",
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
Contract.EndContractBlock();
return GetCharCount(bytes, 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
// parent method is safe
[System.Security.SecuritySafeCritical] // overrides public transparent member
public override unsafe int GetChars(byte[] bytes, int byteIndex, int byteCount,
char[] chars, int charIndex)
{
// Validate Parameters
if (bytes == null || chars == null)
throw new ArgumentNullException(bytes == null ? "bytes" : "chars",
Environment.GetResourceString("ArgumentNull_Array"));
if (byteIndex < 0 || byteCount < 0)
throw new ArgumentOutOfRangeException((byteIndex<0 ? "byteIndex" : "byteCount"),
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
if ( bytes.Length - byteIndex < byteCount)
throw new ArgumentOutOfRangeException("bytes",
Environment.GetResourceString("ArgumentOutOfRange_IndexCountBuffer"));
if (charIndex < 0 || charIndex > chars.Length)
throw new ArgumentOutOfRangeException("charIndex",
Environment.GetResourceString("ArgumentOutOfRange_Index"));
Contract.EndContractBlock();
// If no input, return 0 & avoid fixed problem
if (bytes.Length == 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)
// 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
[System.Security.SecurityCritical] // auto-generated
public unsafe override int GetChars(byte* bytes, int byteCount, char* chars, int charCount)
{
// Validate Parameters
if (bytes == null || chars == null)
throw new ArgumentNullException(bytes == null ? "bytes" : "chars",
Environment.GetResourceString("ArgumentNull_Array"));
if (charCount < 0 || byteCount < 0)
throw new ArgumentOutOfRangeException((charCount<0 ? "charCount" : "byteCount"),
Environment.GetResourceString("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
[System.Security.SecuritySafeCritical] // overrides public transparent member
public override unsafe String GetString(byte[] bytes, int index, int count)
{
// Validate Parameters
if (bytes == null)
throw new ArgumentNullException("bytes",
Environment.GetResourceString("ArgumentNull_Array"));
if (index < 0 || count < 0)
throw new ArgumentOutOfRangeException((index < 0 ? "index" : "count"),
Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
if (bytes.Length - index < count)
throw new ArgumentOutOfRangeException("bytes",
Environment.GetResourceString("ArgumentOutOfRange_IndexCountBuffer"));
Contract.EndContractBlock();
// Avoid problems with empty input buffer
if (bytes.Length == 0) return String.Empty;
fixed (byte* pBytes = bytes)
return String.CreateStringFromEncoding(
pBytes + index, count, this);
}
public override Decoder GetDecoder()
{
return new DecoderNLS(this);
}
public override Encoder GetEncoder()
{
return new EncoderNLS(this);
}
}
}
#endif // FEATURE_ENCODINGNLS
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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- SpellerError.cs
- WorkflowQueue.cs
- MatrixUtil.cs
- DrawListViewItemEventArgs.cs
- EntityCommandCompilationException.cs
- StatusBarDrawItemEvent.cs
- autovalidator.cs
- WebPartZone.cs
- InputLangChangeEvent.cs
- HMACSHA1.cs
- KeyTimeConverter.cs
- DataObjectMethodAttribute.cs
- MetafileEditor.cs
- VisualStyleRenderer.cs
- KnownBoxes.cs
- VirtualizedContainerService.cs
- ChannelReliableSession.cs
- DataGridViewColumn.cs
- HttpServerVarsCollection.cs
- TextTreeRootTextBlock.cs
- Site.cs
- shaperfactoryquerycachekey.cs
- TreeNodeBinding.cs
- ColumnBinding.cs
- CodeDomDesignerLoader.cs
- FactoryMaker.cs
- ClientCredentialsElement.cs
- TextHintingModeValidation.cs
- ExpressionLink.cs
- KeyboardInputProviderAcquireFocusEventArgs.cs
- TCPListener.cs
- TableLayoutStyleCollection.cs
- UpdateTranslator.cs
- QueryCursorEventArgs.cs
- PseudoWebRequest.cs
- AuthorizationPolicyTypeElementCollection.cs
- ListViewPagedDataSource.cs
- CodeDirectoryCompiler.cs
- Variant.cs
- ConnectivityStatus.cs
- TableAutomationPeer.cs
- Pair.cs
- XmlUnspecifiedAttribute.cs
- EventLogEntry.cs
- Double.cs
- ResourceSetExpression.cs
- Bitmap.cs
- FontCacheUtil.cs
- InsufficientMemoryException.cs
- GenericPrincipal.cs
- AssemblyHash.cs
- PointAnimationClockResource.cs
- NativeMethods.cs
- ADConnectionHelper.cs
- X509IssuerSerialKeyIdentifierClause.cs
- RemoteWebConfigurationHostStream.cs
- CodeGroup.cs
- EmptyReadOnlyDictionaryInternal.cs
- GB18030Encoding.cs
- MemberDomainMap.cs
- OdbcCommandBuilder.cs
- ArrayList.cs
- HealthMonitoringSection.cs
- PersistChildrenAttribute.cs
- TextProperties.cs
- HashHelper.cs
- CopyAction.cs
- BaseTemplateBuildProvider.cs
- TextFormatter.cs
- TypeUsage.cs
- ScriptingRoleServiceSection.cs
- CalculatedColumn.cs
- DataServiceProviderWrapper.cs
- Vector3DCollection.cs
- ReaderWriterLock.cs
- Message.cs
- ClientCredentialsSecurityTokenManager.cs
- OutputWindow.cs
- EventLogger.cs
- MarkupCompilePass1.cs
- IntranetCredentialPolicy.cs
- InkCanvasAutomationPeer.cs
- NumberFunctions.cs
- Decimal.cs
- SqlDataSourceQueryEditor.cs
- ContextStaticAttribute.cs
- ProvidePropertyAttribute.cs
- WorkflowTransactionOptions.cs
- NativeRecognizer.cs
- WebBrowserDesigner.cs
- PagedDataSource.cs
- TextElementCollectionHelper.cs
- LazyTextWriterCreator.cs
- AuthenticationModuleElementCollection.cs
- PerformanceCounterPermission.cs
- XamlStream.cs
- SqlUtils.cs
- ToolboxDataAttribute.cs
- SoapFormatterSinks.cs
- ScrollChrome.cs