icuSources/common/cpputils.h

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /*
   4 ******************************************************************************
   5 *
   6 *   Copyright (C) 1997-2011, International Business Machines
   7 *   Corporation and others.  All Rights Reserved.
   8 *
   9 ******************************************************************************
  10 *   file name:  cpputils.h
  11 *   encoding:   UTF-8
  12 *   tab size:   8 (not used)
  13 *   indentation:4
  14 */
  15
  16 #ifndef CPPUTILS_H
  17 #define CPPUTILS_H
  18
  19 #include "unicode/utypes.h"
  20 #include "unicode/unistr.h"
  21 #include "cmemory.h"
  22
  23 /*==========================================================================*/
  24 /* Array copy utility functions */
  25 /*==========================================================================*/
  26
  27 static
  28 inline void uprv_arrayCopy(const double* src, double* dst, int32_t count)
  29 { uprv_memcpy(dst, src, (size_t)count * sizeof(*src)); }
  30
  31 static
  32 inline void uprv_arrayCopy(const double* src, int32_t srcStart,
  33               double* dst, int32_t dstStart, int32_t count)
  34 { uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
  35
  36 static
  37 inline void uprv_arrayCopy(const int8_t* src, int8_t* dst, int32_t count)
  38     { uprv_memcpy(dst, src, (size_t)count * sizeof(*src)); }
  39
  40 static
  41 inline void uprv_arrayCopy(const int8_t* src, int32_t srcStart,
  42               int8_t* dst, int32_t dstStart, int32_t count)
  43 { uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
  44
  45 static
  46 inline void uprv_arrayCopy(const int16_t* src, int16_t* dst, int32_t count)
  47 { uprv_memcpy(dst, src, (size_t)count * sizeof(*src)); }
  48
  49 static
  50 inline void uprv_arrayCopy(const int16_t* src, int32_t srcStart,
  51               int16_t* dst, int32_t dstStart, int32_t count)
  52 { uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
  53
  54 static
  55 inline void uprv_arrayCopy(const int32_t* src, int32_t* dst, int32_t count)
  56 { uprv_memcpy(dst, src, (size_t)count * sizeof(*src)); }
  57
  58 static
  59 inline void uprv_arrayCopy(const int32_t* src, int32_t srcStart,
  60               int32_t* dst, int32_t dstStart, int32_t count)
  61 { uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
  62
  63 static
  64 inline void
  65 uprv_arrayCopy(const UChar *src, int32_t srcStart,
  66         UChar *dst, int32_t dstStart, int32_t count)
  67 { uprv_memcpy(dst+dstStart, src+srcStart, (size_t)count * sizeof(*src)); }
  68
  69 /**
  70  * Copy an array of UnicodeString OBJECTS (not pointers).
  71  * @internal
  72  */
  73 static inline void
  74 uprv_arrayCopy(const icu::UnicodeString *src, icu::UnicodeString *dst, int32_t count)
  75 { while(count-- > 0) *dst++ = *src++; }
  76
  77 /**
  78  * Copy an array of UnicodeString OBJECTS (not pointers).
  79  * @internal
  80  */
  81 static inline void
  82 uprv_arrayCopy(const icu::UnicodeString *src, int32_t srcStart,
  83                icu::UnicodeString *dst, int32_t dstStart, int32_t count)
  84 { uprv_arrayCopy(src+srcStart, dst+dstStart, count); }
  85
  86 /**
  87  * Checks that the string is readable and writable.
  88  * Sets U_ILLEGAL_ARGUMENT_ERROR if the string isBogus() or has an open getBuffer().
  89  */
  90 inline void
  91 uprv_checkCanGetBuffer(const icu::UnicodeString &s, UErrorCode &errorCode) {
  92     if(U_SUCCESS(errorCode) && s.isBogus()) {
  93         errorCode=U_ILLEGAL_ARGUMENT_ERROR;
  94     }
  95 }
  96
  97 #endif /* _CPPUTILS */