252 lines
9.4 KiB
C++
252 lines
9.4 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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*******************************************************************************
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* Copyright (C) 2009-2016, International Business Machines Corporation and
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* others. All Rights Reserved.
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*******************************************************************************
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*
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* This file contains the class DecimalFormatStaticSets
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*
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* DecimalFormatStaticSets holds the UnicodeSets that are needed for lenient
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* parsing of decimal and group separators.
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********************************************************************************
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/unistr.h"
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#include "unicode/uniset.h"
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#include "unicode/uchar.h"
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#include "cmemory.h"
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#include "cstring.h"
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#include "uassert.h"
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#include "ucln_in.h"
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#include "umutex.h"
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#include "decfmtst.h"
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U_NAMESPACE_BEGIN
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//------------------------------------------------------------------------------
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//
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// Unicode Set pattern strings for all of the required constant sets.
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// Initialized with hex values for portability to EBCDIC based machines.
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// Really ugly, but there's no good way to avoid it.
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//
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//------------------------------------------------------------------------------
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static const UChar gDotEquivalentsPattern[] = {
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// [ . \u2024 \u3002 \uFE12 \uFE52 \uFF0E \uFF61 ]
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0x005B, 0x002E, 0x2024, 0x3002, 0xFE12, 0xFE52, 0xFF0E, 0xFF61, 0x005D, 0x0000};
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static const UChar gCommaEquivalentsPattern[] = {
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// [ , \u060C \u066B \u3001 \uFE10 \uFE11 \uFE50 \uFE51 \uFF0C \uFF64 ]
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0x005B, 0x002C, 0x060C, 0x066B, 0x3001, 0xFE10, 0xFE11, 0xFE50, 0xFE51, 0xFF0C, 0xFF64, 0x005D, 0x0000};
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static const UChar gOtherGroupingSeparatorsPattern[] = {
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// [ \ SPACE ' NBSP \u066C \u2000 - \u200A \u2018 \u2019 \u202F \u205F \u3000 \uFF07 ]
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0x005B, 0x005C, 0x0020, 0x0027, 0x00A0, 0x066C, 0x2000, 0x002D, 0x200A, 0x2018, 0x2019, 0x202F, 0x205F, 0x3000, 0xFF07, 0x005D, 0x0000};
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static const UChar gDashEquivalentsPattern[] = {
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// [ \ - HYPHEN F_DASH N_DASH MINUS ]
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0x005B, 0x005C, 0x002D, 0x2010, 0x2012, 0x2013, 0x2212, 0x005D, 0x0000};
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static const UChar gStrictDotEquivalentsPattern[] = {
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// [ . \u2024 \uFE52 \uFF0E \uFF61 ]
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0x005B, 0x002E, 0x2024, 0xFE52, 0xFF0E, 0xFF61, 0x005D, 0x0000};
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static const UChar gStrictCommaEquivalentsPattern[] = {
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// [ , \u066B \uFE10 \uFE50 \uFF0C ]
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0x005B, 0x002C, 0x066B, 0xFE10, 0xFE50, 0xFF0C, 0x005D, 0x0000};
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static const UChar gStrictOtherGroupingSeparatorsPattern[] = {
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// [ \ SPACE ' NBSP \u066C \u2000 - \u200A \u2018 \u2019 \u202F \u205F \u3000 \uFF07 ]
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0x005B, 0x005C, 0x0020, 0x0027, 0x00A0, 0x066C, 0x2000, 0x002D, 0x200A, 0x2018, 0x2019, 0x202F, 0x205F, 0x3000, 0xFF07, 0x005D, 0x0000};
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static const UChar gStrictDashEquivalentsPattern[] = {
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// [ \ - MINUS ]
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0x005B, 0x005C, 0x002D, 0x2212, 0x005D, 0x0000};
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static const UChar32 gMinusSigns[] = {
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0x002D,
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0x207B,
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0x208B,
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0x2212,
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0x2796,
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0xFE63,
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0xFF0D};
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static const UChar32 gPlusSigns[] = {
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0x002B,
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0x207A,
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0x208A,
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0x2795,
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0xfB29,
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0xFE62,
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0xFF0B};
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static void initUnicodeSet(const UChar32 *raw, int32_t len, UnicodeSet *s) {
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for (int32_t i = 0; i < len; ++i) {
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s->add(raw[i]);
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}
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}
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DecimalFormatStaticSets::DecimalFormatStaticSets(UErrorCode &status)
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: fDotEquivalents(NULL),
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fCommaEquivalents(NULL),
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fOtherGroupingSeparators(NULL),
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fDashEquivalents(NULL),
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fStrictDotEquivalents(NULL),
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fStrictCommaEquivalents(NULL),
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fStrictOtherGroupingSeparators(NULL),
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fStrictDashEquivalents(NULL),
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fDefaultGroupingSeparators(NULL),
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fStrictDefaultGroupingSeparators(NULL),
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fMinusSigns(NULL),
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fPlusSigns(NULL)
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{
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fDotEquivalents = new UnicodeSet(UnicodeString(TRUE, gDotEquivalentsPattern, -1), status);
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fCommaEquivalents = new UnicodeSet(UnicodeString(TRUE, gCommaEquivalentsPattern, -1), status);
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fOtherGroupingSeparators = new UnicodeSet(UnicodeString(TRUE, gOtherGroupingSeparatorsPattern, -1), status);
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fDashEquivalents = new UnicodeSet(UnicodeString(TRUE, gDashEquivalentsPattern, -1), status);
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fStrictDotEquivalents = new UnicodeSet(UnicodeString(TRUE, gStrictDotEquivalentsPattern, -1), status);
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fStrictCommaEquivalents = new UnicodeSet(UnicodeString(TRUE, gStrictCommaEquivalentsPattern, -1), status);
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fStrictOtherGroupingSeparators = new UnicodeSet(UnicodeString(TRUE, gStrictOtherGroupingSeparatorsPattern, -1), status);
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fStrictDashEquivalents = new UnicodeSet(UnicodeString(TRUE, gStrictDashEquivalentsPattern, -1), status);
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fDefaultGroupingSeparators = new UnicodeSet(*fDotEquivalents);
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fDefaultGroupingSeparators->addAll(*fCommaEquivalents);
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fDefaultGroupingSeparators->addAll(*fOtherGroupingSeparators);
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fStrictDefaultGroupingSeparators = new UnicodeSet(*fStrictDotEquivalents);
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fStrictDefaultGroupingSeparators->addAll(*fStrictCommaEquivalents);
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fStrictDefaultGroupingSeparators->addAll(*fStrictOtherGroupingSeparators);
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fMinusSigns = new UnicodeSet();
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fPlusSigns = new UnicodeSet();
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// Check for null pointers
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if (fDotEquivalents == NULL || fCommaEquivalents == NULL || fOtherGroupingSeparators == NULL || fDashEquivalents == NULL ||
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fStrictDotEquivalents == NULL || fStrictCommaEquivalents == NULL || fStrictOtherGroupingSeparators == NULL || fStrictDashEquivalents == NULL ||
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fDefaultGroupingSeparators == NULL || fStrictOtherGroupingSeparators == NULL ||
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fMinusSigns == NULL || fPlusSigns == NULL) {
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cleanup();
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status = U_MEMORY_ALLOCATION_ERROR;
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return;
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}
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initUnicodeSet(
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gMinusSigns,
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UPRV_LENGTHOF(gMinusSigns),
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fMinusSigns);
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initUnicodeSet(
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gPlusSigns,
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UPRV_LENGTHOF(gPlusSigns),
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fPlusSigns);
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// Freeze all the sets
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fDotEquivalents->freeze();
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fCommaEquivalents->freeze();
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fOtherGroupingSeparators->freeze();
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fDashEquivalents->freeze();
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fStrictDotEquivalents->freeze();
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fStrictCommaEquivalents->freeze();
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fStrictOtherGroupingSeparators->freeze();
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fStrictDashEquivalents->freeze();
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fDefaultGroupingSeparators->freeze();
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fStrictDefaultGroupingSeparators->freeze();
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fMinusSigns->freeze();
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fPlusSigns->freeze();
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}
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DecimalFormatStaticSets::~DecimalFormatStaticSets() {
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cleanup();
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}
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void DecimalFormatStaticSets::cleanup() { // Be sure to clean up newly added fields!
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delete fDotEquivalents; fDotEquivalents = NULL;
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delete fCommaEquivalents; fCommaEquivalents = NULL;
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delete fOtherGroupingSeparators; fOtherGroupingSeparators = NULL;
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delete fDashEquivalents; fDashEquivalents = NULL;
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delete fStrictDotEquivalents; fStrictDotEquivalents = NULL;
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delete fStrictCommaEquivalents; fStrictCommaEquivalents = NULL;
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delete fStrictOtherGroupingSeparators; fStrictOtherGroupingSeparators = NULL;
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delete fStrictDashEquivalents; fStrictDashEquivalents = NULL;
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delete fDefaultGroupingSeparators; fDefaultGroupingSeparators = NULL;
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delete fStrictDefaultGroupingSeparators; fStrictDefaultGroupingSeparators = NULL;
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delete fStrictOtherGroupingSeparators; fStrictOtherGroupingSeparators = NULL;
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delete fMinusSigns; fMinusSigns = NULL;
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delete fPlusSigns; fPlusSigns = NULL;
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}
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static DecimalFormatStaticSets *gStaticSets;
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static icu::UInitOnce gStaticSetsInitOnce = U_INITONCE_INITIALIZER;
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//------------------------------------------------------------------------------
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//
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// decfmt_cleanup Memory cleanup function, free/delete all
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// cached memory. Called by ICU's u_cleanup() function.
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//
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//------------------------------------------------------------------------------
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U_CDECL_BEGIN
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static UBool U_CALLCONV
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decimfmt_cleanup(void)
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{
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delete gStaticSets;
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gStaticSets = NULL;
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gStaticSetsInitOnce.reset();
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return TRUE;
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}
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static void U_CALLCONV initSets(UErrorCode &status) {
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U_ASSERT(gStaticSets == NULL);
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ucln_i18n_registerCleanup(UCLN_I18N_DECFMT, decimfmt_cleanup);
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gStaticSets = new DecimalFormatStaticSets(status);
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if (U_FAILURE(status)) {
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delete gStaticSets;
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gStaticSets = NULL;
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return;
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}
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if (gStaticSets == NULL) {
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status = U_MEMORY_ALLOCATION_ERROR;
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}
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}
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U_CDECL_END
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const DecimalFormatStaticSets *DecimalFormatStaticSets::getStaticSets(UErrorCode &status) {
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umtx_initOnce(gStaticSetsInitOnce, initSets, status);
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return gStaticSets;
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}
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const UnicodeSet *DecimalFormatStaticSets::getSimilarDecimals(UChar32 decimal, UBool strictParse)
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{
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UErrorCode status = U_ZERO_ERROR;
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umtx_initOnce(gStaticSetsInitOnce, initSets, status);
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if (U_FAILURE(status)) {
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return NULL;
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}
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if (gStaticSets->fDotEquivalents->contains(decimal)) {
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return strictParse ? gStaticSets->fStrictDotEquivalents : gStaticSets->fDotEquivalents;
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}
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if (gStaticSets->fCommaEquivalents->contains(decimal)) {
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return strictParse ? gStaticSets->fStrictCommaEquivalents : gStaticSets->fCommaEquivalents;
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}
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// if there is no match, return NULL
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return NULL;
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}
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U_NAMESPACE_END
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#endif // !UCONFIG_NO_FORMATTING
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