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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
******************************************************************************
*
* Copyright (C) 2016, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************
*
* File: cstr.h
*/
#ifndef CSTR_H
#define CSTR_H
#include "unicode/unistr.h"
#include "unicode/uobject.h"
#include "unicode/utypes.h"
#include "charstr.h"
/**
* ICU-internal class CStr, a small helper class to facilitate passing UnicodeStrings
* to functions needing (const char *) strings, such as printf().
*
* It is intended primarily for use in debugging or in tests. Uses platform
* default code page conversion, which will do the best job possible,
* but may be lossy, depending on the platform.
*
* If no other conversion is available, use invariant conversion and substitue
* '?' for non-invariant characters.
*
* Example Usage:
* UnicodeString s = whatever;
* printf("%s", CStr(s)());
*
* The explicit call to the CStr() constructor creates a temporary object.
* Operator () on the temporary object returns a (const char *) pointer.
* The lifetime of the (const char *) data is that of the temporary object,
* which works well when passing it as a parameter to another function, such as printf.
*/
U_NAMESPACE_BEGIN
class U_COMMON_API CStr : public UMemory {
public:
CStr(const UnicodeString &in);
~CStr();
const char * operator ()() const;
private:
CharString s;
CStr(const CStr &other); // Forbid copying of this class.
CStr &operator =(const CStr &other); // Forbid assignment.
};
U_NAMESPACE_END
#endif