/src/mozilla-central/intl/icu/source/common/ures_cnv.cpp
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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) 1997-2006, International Business Machines |
7 | | * Corporation and others. All Rights Reserved. |
8 | | * |
9 | | ******************************************************************************* |
10 | | * file name: ures_cnv.c |
11 | | * encoding: UTF-8 |
12 | | * tab size: 8 (not used) |
13 | | * indentation:4 |
14 | | * |
15 | | * created on: 2004aug25 |
16 | | * created by: Markus W. Scherer |
17 | | * |
18 | | * Character conversion functions moved here from uresbund.c |
19 | | */ |
20 | | |
21 | | #include "unicode/utypes.h" |
22 | | #include "unicode/putil.h" |
23 | | #include "unicode/ustring.h" |
24 | | #include "unicode/ucnv.h" |
25 | | #include "unicode/ures.h" |
26 | | #include "uinvchar.h" |
27 | | #include "ustr_cnv.h" |
28 | | |
29 | | U_CAPI UResourceBundle * U_EXPORT2 |
30 | | ures_openU(const UChar *myPath, |
31 | | const char *localeID, |
32 | | UErrorCode *status) |
33 | 0 | { |
34 | 0 | char pathBuffer[1024]; |
35 | 0 | int32_t length; |
36 | 0 | char *path = pathBuffer; |
37 | 0 |
|
38 | 0 | if(status==NULL || U_FAILURE(*status)) { |
39 | 0 | return NULL; |
40 | 0 | } |
41 | 0 | if(myPath==NULL) { |
42 | 0 | path = NULL; |
43 | 0 | } |
44 | 0 | else { |
45 | 0 | length=u_strlen(myPath); |
46 | 0 | if(length>=(int32_t)sizeof(pathBuffer)) { |
47 | 0 | *status=U_ILLEGAL_ARGUMENT_ERROR; |
48 | 0 | return NULL; |
49 | 0 | } else if(uprv_isInvariantUString(myPath, length)) { |
50 | 0 | /* |
51 | 0 | * the invariant converter is sufficient for package and tree names |
52 | 0 | * and is more efficient |
53 | 0 | */ |
54 | 0 | u_UCharsToChars(myPath, path, length+1); /* length+1 to include the NUL */ |
55 | 0 | } else { |
56 | 0 | #if !UCONFIG_NO_CONVERSION |
57 | 0 | /* use the default converter to support variant-character paths */ |
58 | 0 | UConverter *cnv=u_getDefaultConverter(status); |
59 | 0 | length=ucnv_fromUChars(cnv, path, (int32_t)sizeof(pathBuffer), myPath, length, status); |
60 | 0 | u_releaseDefaultConverter(cnv); |
61 | 0 | if(U_FAILURE(*status)) { |
62 | 0 | return NULL; |
63 | 0 | } |
64 | 0 | if(length>=(int32_t)sizeof(pathBuffer)) { |
65 | 0 | /* not NUL-terminated - path too long */ |
66 | 0 | *status=U_ILLEGAL_ARGUMENT_ERROR; |
67 | 0 | return NULL; |
68 | 0 | } |
69 | | #else |
70 | | /* the default converter is not available */ |
71 | | *status=U_UNSUPPORTED_ERROR; |
72 | | return NULL; |
73 | | #endif |
74 | | } |
75 | 0 | } |
76 | 0 |
|
77 | 0 | return ures_open(path, localeID, status); |
78 | 0 | } |