1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
// 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.
// ---------------------------------------------------------------------------
// FString.h (Fast String)
//
// ---------------------------------------------------------------------------
// ------------------------------------------------------------------------------------------
// FString is fast string handling namespace
// 1) Simple
// 2) No C++ exception
// 3) Optimized for speed
#ifndef _FSTRING_H_
#define _FSTRING_H_
namespace FString
{
// Note: All "length" parameters do not count the space for the null terminator.
// Caller of Unicode_Utf8 and Utf8_Unicode must pass in a buffer of size at least length + 1.
// Scan for ASCII only string, calculate result UTF8 string length
HRESULT Unicode_Utf8_Length(__in_z LPCWSTR pString, __out bool * pAllAscii, __out DWORD * pLength);
// Convert UNICODE string to UTF8 string. Direct/fast conversion if ASCII
HRESULT Unicode_Utf8(__in_z LPCWSTR pString, bool allAscii, __out_z LPSTR pBuffer, DWORD length);
// Scan for ASCII string, calculate result UNICODE string length
HRESULT Utf8_Unicode_Length(__in_z LPCSTR pString, __out bool * pAllAscii, __out DWORD * pLength);
// Convert UTF8 string to UNICODE. Direct/fast conversion if ASCII
HRESULT Utf8_Unicode(__in_z LPCSTR pString, bool allAscii, __out_z LPWSTR pBuffer, DWORD length);
HRESULT ConvertUnicode_Utf8(__in_z LPCWSTR pString, __out_z LPSTR * pBuffer);
HRESULT ConvertUtf8_Unicode(__in_z LPCSTR pString, __out_z LPWSTR * pBuffer);
} // namespace FString
#endif // _FSTRING_H_
|