| Victor Chang | 7322950 | 2020-09-17 13:39:19 +0100 | [diff] [blame] | 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 */ |