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comparison: intl/icu/source/i18n/smpdtfst.cpp
intl/icu/source/i18n/smpdtfst.cpp
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| -1:000000000000 | 0:f5658b310cba |
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| 1 /* | |
| 2 ******************************************************************************* | |
| 3 * Copyright (C) 2009-2013, International Business Machines Corporation and * | |
| 4 * others. All Rights Reserved. * | |
| 5 ******************************************************************************* | |
| 6 * | |
| 7 * This file contains the class SimpleDateFormatStaticSets | |
| 8 * | |
| 9 * SimpleDateFormatStaticSets holds the UnicodeSets that are needed for lenient | |
| 10 * parsing of literal characters in date/time strings. | |
| 11 ******************************************************************************** | |
| 12 */ | |
| 13 | |
| 14 #include "unicode/utypes.h" | |
| 15 | |
| 16 #if !UCONFIG_NO_FORMATTING | |
| 17 | |
| 18 #include "unicode/uniset.h" | |
| 19 #include "unicode/udat.h" | |
| 20 #include "cmemory.h" | |
| 21 #include "uassert.h" | |
| 22 #include "ucln_in.h" | |
| 23 #include "umutex.h" | |
| 24 | |
| 25 | |
| 26 #include "smpdtfst.h" | |
| 27 | |
| 28 U_NAMESPACE_BEGIN | |
| 29 | |
| 30 SimpleDateFormatStaticSets *gStaticSets = NULL; | |
| 31 UInitOnce gSimpleDateFormatStaticSetsInitOnce = U_INITONCE_INITIALIZER; | |
| 32 | |
| 33 SimpleDateFormatStaticSets::SimpleDateFormatStaticSets(UErrorCode &status) | |
| 34 : fDateIgnorables(NULL), | |
| 35 fTimeIgnorables(NULL), | |
| 36 fOtherIgnorables(NULL) | |
| 37 { | |
| 38 fDateIgnorables = new UnicodeSet(UNICODE_STRING("[-,./[:whitespace:]]", 20), status); | |
| 39 fTimeIgnorables = new UnicodeSet(UNICODE_STRING("[-.:[:whitespace:]]", 19), status); | |
| 40 fOtherIgnorables = new UnicodeSet(UNICODE_STRING("[:whitespace:]", 14), status); | |
| 41 | |
| 42 // Check for null pointers | |
| 43 if (fDateIgnorables == NULL || fTimeIgnorables == NULL || fOtherIgnorables == NULL) { | |
| 44 goto ExitConstrDeleteAll; | |
| 45 } | |
| 46 | |
| 47 // Freeze all the sets | |
| 48 fDateIgnorables->freeze(); | |
| 49 fTimeIgnorables->freeze(); | |
| 50 fOtherIgnorables->freeze(); | |
| 51 | |
| 52 return; // If we reached this point, everything is fine so just exit | |
| 53 | |
| 54 ExitConstrDeleteAll: // Remove all sets and return error | |
| 55 delete fDateIgnorables; fDateIgnorables = NULL; | |
| 56 delete fTimeIgnorables; fTimeIgnorables = NULL; | |
| 57 delete fOtherIgnorables; fOtherIgnorables = NULL; | |
| 58 | |
| 59 status = U_MEMORY_ALLOCATION_ERROR; | |
| 60 } | |
| 61 | |
| 62 | |
| 63 SimpleDateFormatStaticSets::~SimpleDateFormatStaticSets() { | |
| 64 delete fDateIgnorables; fDateIgnorables = NULL; | |
| 65 delete fTimeIgnorables; fTimeIgnorables = NULL; | |
| 66 delete fOtherIgnorables; fOtherIgnorables = NULL; | |
| 67 } | |
| 68 | |
| 69 | |
| 70 //------------------------------------------------------------------------------ | |
| 71 // | |
| 72 // smpdtfmt_cleanup Memory cleanup function, free/delete all | |
| 73 // cached memory. Called by ICU's u_cleanup() function. | |
| 74 // | |
| 75 //------------------------------------------------------------------------------ | |
| 76 UBool | |
| 77 SimpleDateFormatStaticSets::cleanup(void) | |
| 78 { | |
| 79 delete gStaticSets; | |
| 80 gStaticSets = NULL; | |
| 81 gSimpleDateFormatStaticSetsInitOnce.reset(); | |
| 82 return TRUE; | |
| 83 } | |
| 84 | |
| 85 U_CDECL_BEGIN | |
| 86 static UBool U_CALLCONV | |
| 87 smpdtfmt_cleanup(void) | |
| 88 { | |
| 89 return SimpleDateFormatStaticSets::cleanup(); | |
| 90 } | |
| 91 | |
| 92 static void U_CALLCONV smpdtfmt_initSets(UErrorCode &status) { | |
| 93 ucln_i18n_registerCleanup(UCLN_I18N_SMPDTFMT, smpdtfmt_cleanup); | |
| 94 U_ASSERT(gStaticSets == NULL); | |
| 95 gStaticSets = new SimpleDateFormatStaticSets(status); | |
| 96 if (gStaticSets == NULL) { | |
| 97 status = U_MEMORY_ALLOCATION_ERROR; | |
| 98 return; | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 U_CDECL_END | |
| 103 | |
| 104 UnicodeSet *SimpleDateFormatStaticSets::getIgnorables(UDateFormatField fieldIndex) | |
| 105 { | |
| 106 UErrorCode status = U_ZERO_ERROR; | |
| 107 umtx_initOnce(gSimpleDateFormatStaticSetsInitOnce, &smpdtfmt_initSets, status); | |
| 108 if (U_FAILURE(status)) { | |
| 109 return NULL; | |
| 110 } | |
| 111 | |
| 112 switch (fieldIndex) { | |
| 113 case UDAT_YEAR_FIELD: | |
| 114 case UDAT_MONTH_FIELD: | |
| 115 case UDAT_DATE_FIELD: | |
| 116 case UDAT_STANDALONE_DAY_FIELD: | |
| 117 case UDAT_STANDALONE_MONTH_FIELD: | |
| 118 return gStaticSets->fDateIgnorables; | |
| 119 | |
| 120 case UDAT_HOUR_OF_DAY1_FIELD: | |
| 121 case UDAT_HOUR_OF_DAY0_FIELD: | |
| 122 case UDAT_MINUTE_FIELD: | |
| 123 case UDAT_SECOND_FIELD: | |
| 124 case UDAT_HOUR1_FIELD: | |
| 125 case UDAT_HOUR0_FIELD: | |
| 126 return gStaticSets->fTimeIgnorables; | |
| 127 | |
| 128 default: | |
| 129 return gStaticSets->fOtherIgnorables; | |
| 130 } | |
| 131 } | |
| 132 | |
| 133 U_NAMESPACE_END | |
| 134 | |
| 135 #endif // #if !UCONFIG_NO_FORMATTING |
