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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) 2003-2007, International Business Machines
7 *   Corporation and others.  All Rights Reserved.
8 *
9 *******************************************************************************
10 *   file name:  ucnv_set.c
11 *   encoding:   UTF-8
12 *   tab size:   8 (not used)
13 *   indentation:4
14 *
15 *   created on: 2004sep07
16 *   created by: Markus W. Scherer
17 *
18 *   Conversion API functions using USet (ucnv_getUnicodeSet())
19 *   moved here from ucnv.c for removing the dependency of other ucnv_
20 *   implementation functions on the USet implementation.
21 */
22 
23 #include "unicode/utypes.h"
24 #include "unicode/uset.h"
25 #include "unicode/ucnv.h"
26 #include "ucnv_bld.h"
27 #include "uset_imp.h"
28 
29 #if !UCONFIG_NO_CONVERSION
30 
31 U_CAPI void U_EXPORT2
ucnv_getUnicodeSet(const UConverter * cnv,USet * setFillIn,UConverterUnicodeSet whichSet,UErrorCode * pErrorCode)32 ucnv_getUnicodeSet(const UConverter *cnv,
33                    USet *setFillIn,
34                    UConverterUnicodeSet whichSet,
35                    UErrorCode *pErrorCode) {
36     /* argument checking */
37     if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
38         return;
39     }
40     if(cnv==NULL || setFillIn==NULL || whichSet<UCNV_ROUNDTRIP_SET || UCNV_SET_COUNT<=whichSet) {
41         *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
42         return;
43     }
44 
45     /* does this converter support this function? */
46     if(cnv->sharedData->impl->getUnicodeSet==NULL) {
47         *pErrorCode=U_UNSUPPORTED_ERROR;
48         return;
49     }
50 
51     {
52         USetAdder sa={
53             NULL,
54             uset_add,
55             uset_addRange,
56             uset_addString,
57             uset_remove,
58             uset_removeRange
59         };
60         sa.set=setFillIn;
61 
62         /* empty the set */
63         uset_clear(setFillIn);
64 
65         /* call the converter to add the code points it supports */
66         cnv->sharedData->impl->getUnicodeSet(cnv, &sa, whichSet, pErrorCode);
67     }
68 }
69 
70 #endif
71