• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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) 1998-2012, International Business Machines
7 *   Corporation and others.  All Rights Reserved.
8 *
9 *******************************************************************************
10 *
11 * File ustr.h
12 *
13 * Modification History:
14 *
15 *   Date        Name        Description
16 *   05/28/99    stephen     Creation.
17 *******************************************************************************
18 */
19 
20 #ifndef USTR_H
21 #define USTR_H 1
22 
23 #include "unicode/utypes.h"
24 
25 #define U_APPEND_CHAR32(c,target,len) {                         \
26     if (c <= 0xffff)                                            \
27     {                                                           \
28         *(target)++ = (UChar) c;                                \
29         len=1;                                                  \
30     }                                                           \
31     else                                                        \
32     {                                                           \
33         target[0] = U16_LEAD(c);                                \
34         target[1] = U16_TRAIL(c);                               \
35         len=2;                                                  \
36         target +=2;                                             \
37     }                                                           \
38 }
39 
40 #define U_APPEND_CHAR32_ONLY(c,target) {                             \
41     if (c <= 0xffff)                                            \
42     {                                                           \
43         *(target)++ = (UChar) c;                                \
44     }                                                           \
45     else                                                        \
46     {                                                           \
47         target[0] = U16_LEAD(c);                                \
48         target[1] = U16_TRAIL(c);                               \
49         target +=2;                                             \
50     }                                                           \
51 }
52 
53 /* A C representation of a string "object" (to avoid realloc all the time) */
54 struct UString {
55   UChar *fChars;
56   int32_t fLength;
57   int32_t fCapacity;
58 };
59 
60 U_CFUNC void ustr_init(struct UString *s);
61 
62 U_CFUNC void
63 ustr_initChars(struct UString *s, const char* source, int32_t length, UErrorCode *status);
64 
65 U_CFUNC void ustr_deinit(struct UString *s);
66 
67 U_CFUNC void ustr_setlen(struct UString *s, int32_t len, UErrorCode *status);
68 
69 U_CFUNC void ustr_cpy(struct UString *dst, const struct UString *src,
70                       UErrorCode *status);
71 
72 U_CFUNC void ustr_cat(struct UString *dst, const struct UString *src,
73                       UErrorCode *status);
74 
75 U_CFUNC void ustr_ncat(struct UString *dst, const struct UString *src,
76                        int32_t n, UErrorCode *status);
77 
78 U_CFUNC void ustr_ucat(struct UString *dst, UChar c, UErrorCode *status);
79 U_CFUNC void ustr_u32cat(struct UString *dst, UChar32 c, UErrorCode *status);
80 U_CFUNC void ustr_uscat(struct UString *dst, const UChar* src,int len,UErrorCode *status);
81 #endif
82