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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /intl/icu/source/i18n/smpdtfst.cpp
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'intl/icu/source/i18n/smpdtfst.cpp')
-rw-r--r--intl/icu/source/i18n/smpdtfst.cpp137
1 files changed, 137 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/smpdtfst.cpp b/intl/icu/source/i18n/smpdtfst.cpp
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+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+*******************************************************************************
+* Copyright (C) 2009-2013, International Business Machines Corporation and *
+* others. All Rights Reserved. *
+*******************************************************************************
+*
+* This file contains the class SimpleDateFormatStaticSets
+*
+* SimpleDateFormatStaticSets holds the UnicodeSets that are needed for lenient
+* parsing of literal characters in date/time strings.
+********************************************************************************
+*/
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "unicode/uniset.h"
+#include "unicode/udat.h"
+#include "cmemory.h"
+#include "uassert.h"
+#include "ucln_in.h"
+#include "umutex.h"
+
+
+#include "smpdtfst.h"
+
+U_NAMESPACE_BEGIN
+
+SimpleDateFormatStaticSets *gStaticSets = nullptr;
+UInitOnce gSimpleDateFormatStaticSetsInitOnce {};
+
+SimpleDateFormatStaticSets::SimpleDateFormatStaticSets(UErrorCode &status)
+: fDateIgnorables(nullptr),
+ fTimeIgnorables(nullptr),
+ fOtherIgnorables(nullptr)
+{
+ fDateIgnorables = new UnicodeSet(UNICODE_STRING("[-,./[:whitespace:]]", 20), status);
+ fTimeIgnorables = new UnicodeSet(UNICODE_STRING("[-.:[:whitespace:]]", 19), status);
+ fOtherIgnorables = new UnicodeSet(UNICODE_STRING("[:whitespace:]", 14), status);
+
+ // Check for null pointers
+ if (fDateIgnorables == nullptr || fTimeIgnorables == nullptr || fOtherIgnorables == nullptr) {
+ goto ExitConstrDeleteAll;
+ }
+
+ // Freeze all the sets
+ fDateIgnorables->freeze();
+ fTimeIgnorables->freeze();
+ fOtherIgnorables->freeze();
+
+ return; // If we reached this point, everything is fine so just exit
+
+ExitConstrDeleteAll: // Remove all sets and return error
+ delete fDateIgnorables; fDateIgnorables = nullptr;
+ delete fTimeIgnorables; fTimeIgnorables = nullptr;
+ delete fOtherIgnorables; fOtherIgnorables = nullptr;
+
+ status = U_MEMORY_ALLOCATION_ERROR;
+}
+
+
+SimpleDateFormatStaticSets::~SimpleDateFormatStaticSets() {
+ delete fDateIgnorables; fDateIgnorables = nullptr;
+ delete fTimeIgnorables; fTimeIgnorables = nullptr;
+ delete fOtherIgnorables; fOtherIgnorables = nullptr;
+}
+
+
+//------------------------------------------------------------------------------
+//
+// smpdtfmt_cleanup Memory cleanup function, free/delete all
+// cached memory. Called by ICU's u_cleanup() function.
+//
+//------------------------------------------------------------------------------
+UBool
+SimpleDateFormatStaticSets::cleanup()
+{
+ delete gStaticSets;
+ gStaticSets = nullptr;
+ gSimpleDateFormatStaticSetsInitOnce.reset();
+ return true;
+}
+
+U_CDECL_BEGIN
+static UBool U_CALLCONV
+smpdtfmt_cleanup()
+{
+ return SimpleDateFormatStaticSets::cleanup();
+}
+
+static void U_CALLCONV smpdtfmt_initSets(UErrorCode &status) {
+ ucln_i18n_registerCleanup(UCLN_I18N_SMPDTFMT, smpdtfmt_cleanup);
+ U_ASSERT(gStaticSets == nullptr);
+ gStaticSets = new SimpleDateFormatStaticSets(status);
+ if (gStaticSets == nullptr) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return;
+ }
+}
+
+U_CDECL_END
+
+UnicodeSet *SimpleDateFormatStaticSets::getIgnorables(UDateFormatField fieldIndex)
+{
+ UErrorCode status = U_ZERO_ERROR;
+ umtx_initOnce(gSimpleDateFormatStaticSetsInitOnce, &smpdtfmt_initSets, status);
+ if (U_FAILURE(status)) {
+ return nullptr;
+ }
+
+ switch (fieldIndex) {
+ case UDAT_YEAR_FIELD:
+ case UDAT_MONTH_FIELD:
+ case UDAT_DATE_FIELD:
+ case UDAT_STANDALONE_DAY_FIELD:
+ case UDAT_STANDALONE_MONTH_FIELD:
+ return gStaticSets->fDateIgnorables;
+
+ case UDAT_HOUR_OF_DAY1_FIELD:
+ case UDAT_HOUR_OF_DAY0_FIELD:
+ case UDAT_MINUTE_FIELD:
+ case UDAT_SECOND_FIELD:
+ case UDAT_HOUR1_FIELD:
+ case UDAT_HOUR0_FIELD:
+ return gStaticSets->fTimeIgnorables;
+
+ default:
+ return gStaticSets->fOtherIgnorables;
+ }
+}
+
+U_NAMESPACE_END
+
+#endif // #if !UCONFIG_NO_FORMATTING