icuSources/common/cpputils.h

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