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
uprv_arrayCopy(const double * src,double * dst,int32_t count)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
uprv_arrayCopy(const double * src,int32_t srcStart,double * dst,int32_t dstStart,int32_t count)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
uprv_arrayCopy(const int8_t * src,int8_t * dst,int32_t count)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
uprv_arrayCopy(const int8_t * src,int32_t srcStart,int8_t * dst,int32_t dstStart,int32_t count)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
uprv_arrayCopy(const int16_t * src,int16_t * dst,int32_t count)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
uprv_arrayCopy(const int16_t * src,int32_t srcStart,int16_t * dst,int32_t dstStart,int32_t count)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
uprv_arrayCopy(const int32_t * src,int32_t * dst,int32_t count)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
uprv_arrayCopy(const int32_t * src,int32_t srcStart,int32_t * dst,int32_t dstStart,int32_t count)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
uprv_arrayCopy(const UChar * src,int32_t srcStart,UChar * dst,int32_t dstStart,int32_t count)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
uprv_arrayCopy(const icu::UnicodeString * src,icu::UnicodeString * dst,int32_t count)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
uprv_arrayCopy(const icu::UnicodeString * src,int32_t srcStart,icu::UnicodeString * dst,int32_t dstStart,int32_t count)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
uprv_checkCanGetBuffer(const icu::UnicodeString & s,UErrorCode & errorCode)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 */
98