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1 /*
2 *******************************************************************************
3 *
4 * Copyright (C) 1998-2012, International Business Machines
5 * Corporation and others. All Rights Reserved.
6 *
7 *******************************************************************************
8 *
9 * File ustr.h
10 *
11 * Modification History:
12 *
13 * Date Name Description
14 * 05/28/99 stephen Creation.
15 *******************************************************************************
16 */
17
18 #ifndef USTR_H
19 #define USTR_H 1
20
21 #include "unicode/utypes.h"
22
23 #define U_APPEND_CHAR32(c,target,len) { \
24 if (c <= 0xffff) \
25 { \
26 *(target)++ = (UChar) c; \
27 len=1; \
28 } \
29 else \
30 { \
31 target[0] = U16_LEAD(c); \
32 target[1] = U16_TRAIL(c); \
33 len=2; \
34 target +=2; \
35 } \
36 }
37
38 #define U_APPEND_CHAR32_ONLY(c,target) { \
39 if (c <= 0xffff) \
40 { \
41 *(target)++ = (UChar) c; \
42 } \
43 else \
44 { \
45 target[0] = U16_LEAD(c); \
46 target[1] = U16_TRAIL(c); \
47 target +=2; \
48 } \
49 }
50
51 /* A C representation of a string "object" (to avoid realloc all the time) */
52 struct UString {
53 UChar *fChars;
54 int32_t fLength;
55 int32_t fCapacity;
56 };
57
58 U_CFUNC void ustr_init(struct UString *s);
59
60 U_CFUNC void
61 ustr_initChars(struct UString *s, const char* source, int32_t length, UErrorCode *status);
62
63 U_CFUNC void ustr_deinit(struct UString *s);
64
65 U_CFUNC void ustr_setlen(struct UString *s, int32_t len, UErrorCode *status);
66
67 U_CFUNC void ustr_cpy(struct UString *dst, const struct UString *src,
68 UErrorCode *status);
69
70 U_CFUNC void ustr_cat(struct UString *dst, const struct UString *src,
71 UErrorCode *status);
72
73 U_CFUNC void ustr_ncat(struct UString *dst, const struct UString *src,
74 int32_t n, UErrorCode *status);
75
76 U_CFUNC void ustr_ucat(struct UString *dst, UChar c, UErrorCode *status);
77 U_CFUNC void ustr_u32cat(struct UString *dst, UChar32 c, UErrorCode *status);
78 U_CFUNC void ustr_uscat(struct UString *dst, const UChar* src,int len,UErrorCode *status);
79 #endif