virtualx-engine/thirdparty/icu4c/common/cpputils.h

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3.2 KiB
C++

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
******************************************************************************
*
* Copyright (C) 1997-2011, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************
* file name: cpputils.h
* encoding: UTF-8
* tab size: 8 (not used)
* indentation:4
*/
#ifndef CPPUTILS_H
#define CPPUTILS_H
#include "unicode/utypes.h"
#include "unicode/unistr.h"
#include "cmemory.h"
/*==========================================================================*/
/* Array copy utility functions */
/*==========================================================================*/
static
inline void uprv_arrayCopy(const double* src, double* dst, int32_t count)
{ uprv_memcpy(dst, src, (size_t)count * sizeof(*src)); }
static
inline void uprv_arrayCopy(const double* src, int32_t srcStart,
double* dst, int32_t dstStart, int32_t count)
{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
static
inline void uprv_arrayCopy(const int8_t* src, int8_t* dst, int32_t count)
{ uprv_memcpy(dst, src, (size_t)count * sizeof(*src)); }
static
inline void uprv_arrayCopy(const int8_t* src, int32_t srcStart,
int8_t* dst, int32_t dstStart, int32_t count)
{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
static
inline void uprv_arrayCopy(const int16_t* src, int16_t* dst, int32_t count)
{ uprv_memcpy(dst, src, (size_t)count * sizeof(*src)); }
static
inline void uprv_arrayCopy(const int16_t* src, int32_t srcStart,
int16_t* dst, int32_t dstStart, int32_t count)
{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
static
inline void uprv_arrayCopy(const int32_t* src, int32_t* dst, int32_t count)
{ uprv_memcpy(dst, src, (size_t)count * sizeof(*src)); }
static
inline void uprv_arrayCopy(const int32_t* src, int32_t srcStart,
int32_t* dst, int32_t dstStart, int32_t count)
{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
static
inline void
uprv_arrayCopy(const UChar *src, int32_t srcStart,
UChar *dst, int32_t dstStart, int32_t count)
{ uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
/**
* Copy an array of UnicodeString OBJECTS (not pointers).
* @internal
*/
static inline void
uprv_arrayCopy(const icu::UnicodeString *src, icu::UnicodeString *dst, int32_t count)
{ while(count-- > 0) *dst++ = *src++; }
/**
* Copy an array of UnicodeString OBJECTS (not pointers).
* @internal
*/
static inline void
uprv_arrayCopy(const icu::UnicodeString *src, int32_t srcStart,
icu::UnicodeString *dst, int32_t dstStart, int32_t count)
{ uprv_arrayCopy(src+srcStart, dst+dstStart, count); }
/**
* Checks that the string is readable and writable.
* Sets U_ILLEGAL_ARGUMENT_ERROR if the string isBogus() or has an open getBuffer().
*/
inline void
uprv_checkCanGetBuffer(const icu::UnicodeString &s, UErrorCode &errorCode) {
if(U_SUCCESS(errorCode) && s.isBogus()) {
errorCode=U_ILLEGAL_ARGUMENT_ERROR;
}
}
#endif /* _CPPUTILS */