| | 1 | /* |
| | 2 | ******************************************************************************* |
| | 3 | * |
| | 4 | * Copyright (C) 1997-2006, International Business Machines |
| | 5 | * Corporation and others. All Rights Reserved. |
| | 6 | * |
| | 7 | ******************************************************************************* |
| | 8 | * file name: ures_cnv.c |
| | 9 | * encoding: US-ASCII |
| | 10 | * tab size: 8 (not used) |
| | 11 | * indentation:4 |
| | 12 | * |
| | 13 | * created on: 2004aug25 |
| | 14 | * created by: Markus W. Scherer |
| | 15 | * |
| | 16 | * Character conversion functions moved here from uresbund.c |
| | 17 | */ |
| | 18 | |
| | 19 | #include "unicode/utypes.h" |
| | 20 | #include "unicode/putil.h" |
| | 21 | #include "unicode/ustring.h" |
| | 22 | #include "unicode/ucnv.h" |
| | 23 | #include "unicode/ures.h" |
| | 24 | #include "uinvchar.h" |
| | 25 | #include "ustr_cnv.h" |
| | 26 | |
| | 27 | U_CAPI UResourceBundle * U_EXPORT2 |
| | 28 | ures_openU(const UChar *myPath, |
| | 29 | const char *localeID, |
| | 30 | UErrorCode *status) |
| | 31 | { |
| | 32 | char pathBuffer[1024]; |
| | 33 | int32_t length; |
| | 34 | char *path = pathBuffer; |
| | 35 | |
| | 36 | if(status==NULL || U_FAILURE(*status)) { |
| | 37 | return NULL; |
| | 38 | } |
| | 39 | if(myPath==NULL) { |
| | 40 | path = NULL; |
| | 41 | } |
| | 42 | else { |
| | 43 | length=u_strlen(myPath); |
| | 44 | if(length>=sizeof(pathBuffer)) { |
| | 45 | *status=U_ILLEGAL_ARGUMENT_ERROR; |
| | 46 | return NULL; |
| | 47 | } else if(uprv_isInvariantUString(myPath, length)) { |
| | 48 | /* |
| | 49 | * the invariant converter is sufficient for package and tree names |
| | 50 | * and is more efficient |
| | 51 | */ |
| | 52 | u_UCharsToChars(myPath, path, length+1); /* length+1 to include the NUL */ |
| | 53 | } else { |
| | 54 | #if !UCONFIG_NO_CONVERSION |
| | 55 | /* use the default converter to support variant-character paths */ |
| | 56 | UConverter *cnv=u_getDefaultConverter(status); |
| | 57 | length=ucnv_fromUChars(cnv, path, (int32_t)sizeof(pathBuffer), myPath, length, status); |
| | 58 | u_releaseDefaultConverter(cnv); |
| | 59 | if(U_FAILURE(*status)) { |
| | 60 | return NULL; |
| | 61 | } |
| | 62 | if(length>=sizeof(pathBuffer)) { |
| | 63 | /* not NUL-terminated - path too long */ |
| | 64 | *status=U_ILLEGAL_ARGUMENT_ERROR; |
| | 65 | return NULL; |
| | 66 | } |
| | 67 | #else |
| | 68 | /* the default converter is not available */ |
| | 69 | *status=U_UNSUPPORTED_ERROR; |
| | 70 | return NULL; |
| | 71 | #endif |
| | 72 | } |
| | 73 | } |
| | 74 | |
| | 75 | return ures_open(path, localeID, status); |
| | 76 | } |
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