Dryad/DryadVertex/VertexHost/system/common/include/DrString.h

63 lines
1.5 KiB
C++

/*
Copyright (c) Microsoft Corporation
All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
compliance with the License. You may obtain a copy of the License
at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER
EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF
TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions and
limitations under the License.
*/
#pragma once
#include <DrCommon.h>
#pragma managed
#include <vcclr.h>
class DrString
{
public:
DrString(System::String^ s)
{
/* cache a copy of the UTF8 char* representation */
pin_ptr<const wchar_t> c = PtrToStringChars(s);
int newSize = ::WideCharToMultiByte(CP_UTF8, 0, c, -1, NULL, 0, NULL, NULL);
char* chars = new char[newSize];
int convertedChars = ::WideCharToMultiByte(CP_UTF8, 0, c, -1, chars, newSize, NULL, NULL);
if (convertedChars == 0)
{
delete[] chars;
DrLogA("Failed to convert %S to UTF8: %d", c, GetLastError());
}
m_chars = chars;
}
~DrString()
{
delete [] m_chars;
}
const char* GetChars()
{
return m_chars;
}
private:
const char* m_chars;
};