| | 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 | { |
| | 34 | char pathBuffer[1024]; |
| | 35 | int32_t length; |
| | 36 | char *path = pathBuffer; |
| | 37 | |
| | 38 | if(status==NULL || U_FAILURE(*status)) { |
| | 39 | return NULL; |
| | 40 | } |
| | 41 | if(myPath==NULL) { |
| | 42 | path = NULL; |
| | 43 | } |
| | 44 | else { |
| | 45 | length=u_strlen(myPath); |
| | 46 | if(length>=(int32_t)sizeof(pathBuffer)) { |
| | 47 | *status=U_ILLEGAL_ARGUMENT_ERROR; |
| | 48 | return NULL; |
| | 49 | } else if(uprv_isInvariantUString(myPath, length)) { |
| | 50 | /* |
| | 51 | * the invariant converter is sufficient for package and tree names |
| | 52 | * and is more efficient |
| | 53 | */ |
| | 54 | u_UCharsToChars(myPath, path, length+1); /* length+1 to include the NUL */ |
| | 55 | } else { |
| | 56 | #if !UCONFIG_NO_CONVERSION |
| | 57 | /* use the default converter to support variant-character paths */ |
| | 58 | UConverter *cnv=u_getDefaultConverter(status); |
| | 59 | length=ucnv_fromUChars(cnv, path, (int32_t)sizeof(pathBuffer), myPath, length, status); |
| | 60 | u_releaseDefaultConverter(cnv); |
| | 61 | if(U_FAILURE(*status)) { |
| | 62 | return NULL; |
| | 63 | } |
| | 64 | if(length>=(int32_t)sizeof(pathBuffer)) { |
| | 65 | /* not NUL-terminated - path too long */ |
| | 66 | *status=U_ILLEGAL_ARGUMENT_ERROR; |
| | 67 | return NULL; |
| | 68 | } |
| | 69 | #else |
| | 70 | /* the default converter is not available */ |
| | 71 | *status=U_UNSUPPORTED_ERROR; |
| | 72 | return NULL; |
| | 73 | #endif |
| | 74 | } |
| | 75 | } |
| | 76 | |
| | 77 | return ures_open(path, localeID, status); |
| | 78 | } |
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