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