1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/i18n/smpdtfst.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,135 @@
1.4 +/*
1.5 +*******************************************************************************
1.6 +* Copyright (C) 2009-2013, International Business Machines Corporation and *
1.7 +* others. All Rights Reserved. *
1.8 +*******************************************************************************
1.9 +*
1.10 +* This file contains the class SimpleDateFormatStaticSets
1.11 +*
1.12 +* SimpleDateFormatStaticSets holds the UnicodeSets that are needed for lenient
1.13 +* parsing of literal characters in date/time strings.
1.14 +********************************************************************************
1.15 +*/
1.16 +
1.17 +#include "unicode/utypes.h"
1.18 +
1.19 +#if !UCONFIG_NO_FORMATTING
1.20 +
1.21 +#include "unicode/uniset.h"
1.22 +#include "unicode/udat.h"
1.23 +#include "cmemory.h"
1.24 +#include "uassert.h"
1.25 +#include "ucln_in.h"
1.26 +#include "umutex.h"
1.27 +
1.28 +
1.29 +#include "smpdtfst.h"
1.30 +
1.31 +U_NAMESPACE_BEGIN
1.32 +
1.33 +SimpleDateFormatStaticSets *gStaticSets = NULL;
1.34 +UInitOnce gSimpleDateFormatStaticSetsInitOnce = U_INITONCE_INITIALIZER;
1.35 +
1.36 +SimpleDateFormatStaticSets::SimpleDateFormatStaticSets(UErrorCode &status)
1.37 +: fDateIgnorables(NULL),
1.38 + fTimeIgnorables(NULL),
1.39 + fOtherIgnorables(NULL)
1.40 +{
1.41 + fDateIgnorables = new UnicodeSet(UNICODE_STRING("[-,./[:whitespace:]]", 20), status);
1.42 + fTimeIgnorables = new UnicodeSet(UNICODE_STRING("[-.:[:whitespace:]]", 19), status);
1.43 + fOtherIgnorables = new UnicodeSet(UNICODE_STRING("[:whitespace:]", 14), status);
1.44 +
1.45 + // Check for null pointers
1.46 + if (fDateIgnorables == NULL || fTimeIgnorables == NULL || fOtherIgnorables == NULL) {
1.47 + goto ExitConstrDeleteAll;
1.48 + }
1.49 +
1.50 + // Freeze all the sets
1.51 + fDateIgnorables->freeze();
1.52 + fTimeIgnorables->freeze();
1.53 + fOtherIgnorables->freeze();
1.54 +
1.55 + return; // If we reached this point, everything is fine so just exit
1.56 +
1.57 +ExitConstrDeleteAll: // Remove all sets and return error
1.58 + delete fDateIgnorables; fDateIgnorables = NULL;
1.59 + delete fTimeIgnorables; fTimeIgnorables = NULL;
1.60 + delete fOtherIgnorables; fOtherIgnorables = NULL;
1.61 +
1.62 + status = U_MEMORY_ALLOCATION_ERROR;
1.63 +}
1.64 +
1.65 +
1.66 +SimpleDateFormatStaticSets::~SimpleDateFormatStaticSets() {
1.67 + delete fDateIgnorables; fDateIgnorables = NULL;
1.68 + delete fTimeIgnorables; fTimeIgnorables = NULL;
1.69 + delete fOtherIgnorables; fOtherIgnorables = NULL;
1.70 +}
1.71 +
1.72 +
1.73 +//------------------------------------------------------------------------------
1.74 +//
1.75 +// smpdtfmt_cleanup Memory cleanup function, free/delete all
1.76 +// cached memory. Called by ICU's u_cleanup() function.
1.77 +//
1.78 +//------------------------------------------------------------------------------
1.79 +UBool
1.80 +SimpleDateFormatStaticSets::cleanup(void)
1.81 +{
1.82 + delete gStaticSets;
1.83 + gStaticSets = NULL;
1.84 + gSimpleDateFormatStaticSetsInitOnce.reset();
1.85 + return TRUE;
1.86 +}
1.87 +
1.88 +U_CDECL_BEGIN
1.89 +static UBool U_CALLCONV
1.90 +smpdtfmt_cleanup(void)
1.91 +{
1.92 + return SimpleDateFormatStaticSets::cleanup();
1.93 +}
1.94 +
1.95 +static void U_CALLCONV smpdtfmt_initSets(UErrorCode &status) {
1.96 + ucln_i18n_registerCleanup(UCLN_I18N_SMPDTFMT, smpdtfmt_cleanup);
1.97 + U_ASSERT(gStaticSets == NULL);
1.98 + gStaticSets = new SimpleDateFormatStaticSets(status);
1.99 + if (gStaticSets == NULL) {
1.100 + status = U_MEMORY_ALLOCATION_ERROR;
1.101 + return;
1.102 + }
1.103 +}
1.104 +
1.105 +U_CDECL_END
1.106 +
1.107 +UnicodeSet *SimpleDateFormatStaticSets::getIgnorables(UDateFormatField fieldIndex)
1.108 +{
1.109 + UErrorCode status = U_ZERO_ERROR;
1.110 + umtx_initOnce(gSimpleDateFormatStaticSetsInitOnce, &smpdtfmt_initSets, status);
1.111 + if (U_FAILURE(status)) {
1.112 + return NULL;
1.113 + }
1.114 +
1.115 + switch (fieldIndex) {
1.116 + case UDAT_YEAR_FIELD:
1.117 + case UDAT_MONTH_FIELD:
1.118 + case UDAT_DATE_FIELD:
1.119 + case UDAT_STANDALONE_DAY_FIELD:
1.120 + case UDAT_STANDALONE_MONTH_FIELD:
1.121 + return gStaticSets->fDateIgnorables;
1.122 +
1.123 + case UDAT_HOUR_OF_DAY1_FIELD:
1.124 + case UDAT_HOUR_OF_DAY0_FIELD:
1.125 + case UDAT_MINUTE_FIELD:
1.126 + case UDAT_SECOND_FIELD:
1.127 + case UDAT_HOUR1_FIELD:
1.128 + case UDAT_HOUR0_FIELD:
1.129 + return gStaticSets->fTimeIgnorables;
1.130 +
1.131 + default:
1.132 + return gStaticSets->fOtherIgnorables;
1.133 + }
1.134 +}
1.135 +
1.136 +U_NAMESPACE_END
1.137 +
1.138 +#endif // #if !UCONFIG_NO_FORMATTING
