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
25static
26inline void uprv_arrayCopy(const double* src, double* dst, int32_t count)
27{ uprv_memcpy(dst, src, (size_t)(count * sizeof(*src))); }
28
29static
30inline 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
34static
35inline void uprv_arrayCopy(const int8_t* src, int8_t* dst, int32_t count)
36    { uprv_memcpy(dst, src, (size_t)(count * sizeof(*src))); }
37
38static
39inline 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
43static
44inline void uprv_arrayCopy(const int16_t* src, int16_t* dst, int32_t count)
45{ uprv_memcpy(dst, src, (size_t)(count * sizeof(*src))); }
46
47static
48inline 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
52static
53inline void uprv_arrayCopy(const int32_t* src, int32_t* dst, int32_t count)
54{ uprv_memcpy(dst, src, (size_t)(count * sizeof(*src))); }
55
56static
57inline 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
61static
62inline void
63uprv_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 */
71static inline void
72uprv_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 */
79static inline void
80uprv_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 */
88inline void
89uprv_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 */
96