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