mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-05-28 20:41:33 +00:00
2117 lines
64 KiB
C++
2117 lines
64 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* The Intl module specified by standard ECMA-402,
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* ECMAScript Internationalization API Specification.
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*/
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#include "builtin/Intl.h"
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#include "mozilla/Range.h"
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#include <string.h>
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#include "jsapi.h"
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#include "jsatom.h"
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#include "jscntxt.h"
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#include "jsobj.h"
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#if ENABLE_INTL_API
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#include "unicode/locid.h"
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#include "unicode/numsys.h"
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#include "unicode/ucal.h"
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#include "unicode/ucol.h"
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#include "unicode/udat.h"
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#include "unicode/udatpg.h"
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#include "unicode/uenum.h"
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#include "unicode/unum.h"
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#include "unicode/ustring.h"
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#endif
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#include "vm/DateTime.h"
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#include "vm/GlobalObject.h"
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#include "vm/Interpreter.h"
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#include "vm/Stack.h"
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#include "vm/StringBuffer.h"
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#include "jsobjinlines.h"
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#include "vm/NativeObject-inl.h"
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#include "mozilla-config.h"
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#include "plvmx.h"
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using namespace js;
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using mozilla::IsFinite;
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using mozilla::IsNegativeZero;
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#if ENABLE_INTL_API
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using icu::Locale;
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using icu::NumberingSystem;
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#endif
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/*
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* Pervasive note: ICU functions taking a UErrorCode in/out parameter always
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* test that parameter before doing anything, and will return immediately if
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* the value indicates that a failure occurred in a prior ICU call,
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* without doing anything else. See
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* http://userguide.icu-project.org/design#TOC-Error-Handling
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*/
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/******************** ICU stubs ********************/
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#if !ENABLE_INTL_API
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/*
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* When the Internationalization API isn't enabled, we also shouldn't link
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* against ICU. However, we still want to compile this code in order to prevent
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* bit rot. The following stub implementations for ICU functions make this
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* possible. The functions using them should never be called, so they assert
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* and return error codes. Signatures adapted from ICU header files locid.h,
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* numsys.h, ucal.h, ucol.h, udat.h, udatpg.h, uenum.h, unum.h; see the ICU
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* directory for license.
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*/
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static int32_t
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u_strlen(const UChar* s)
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{
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MOZ_CRASH("u_strlen: Intl API disabled");
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}
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struct UEnumeration;
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static int32_t
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uenum_count(UEnumeration* en, UErrorCode* status)
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{
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MOZ_CRASH("uenum_count: Intl API disabled");
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}
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static const char*
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uenum_next(UEnumeration* en, int32_t* resultLength, UErrorCode* status)
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{
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MOZ_CRASH("uenum_next: Intl API disabled");
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}
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static void
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uenum_close(UEnumeration* en)
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{
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MOZ_CRASH("uenum_close: Intl API disabled");
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}
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struct UCollator;
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enum UColAttribute {
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UCOL_ALTERNATE_HANDLING,
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UCOL_CASE_FIRST,
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UCOL_CASE_LEVEL,
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UCOL_NORMALIZATION_MODE,
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UCOL_STRENGTH,
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UCOL_NUMERIC_COLLATION,
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};
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enum UColAttributeValue {
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UCOL_DEFAULT = -1,
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UCOL_PRIMARY = 0,
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UCOL_SECONDARY = 1,
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UCOL_TERTIARY = 2,
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UCOL_OFF = 16,
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UCOL_ON = 17,
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UCOL_SHIFTED = 20,
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UCOL_LOWER_FIRST = 24,
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UCOL_UPPER_FIRST = 25,
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};
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enum UCollationResult {
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UCOL_EQUAL = 0,
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UCOL_GREATER = 1,
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UCOL_LESS = -1
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};
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static int32_t
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ucol_countAvailable()
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{
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MOZ_CRASH("ucol_countAvailable: Intl API disabled");
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}
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static const char*
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ucol_getAvailable(int32_t localeIndex)
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{
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MOZ_CRASH("ucol_getAvailable: Intl API disabled");
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}
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static UCollator*
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ucol_open(const char* loc, UErrorCode* status)
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{
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MOZ_CRASH("ucol_open: Intl API disabled");
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}
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static void
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ucol_setAttribute(UCollator* coll, UColAttribute attr, UColAttributeValue value, UErrorCode* status)
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{
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MOZ_CRASH("ucol_setAttribute: Intl API disabled");
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}
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static UCollationResult
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ucol_strcoll(const UCollator* coll, const UChar* source, int32_t sourceLength,
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const UChar* target, int32_t targetLength)
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{
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MOZ_CRASH("ucol_strcoll: Intl API disabled");
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}
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static void
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ucol_close(UCollator* coll)
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{
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MOZ_CRASH("ucol_close: Intl API disabled");
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}
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static UEnumeration*
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ucol_getKeywordValuesForLocale(const char* key, const char* locale, UBool commonlyUsed,
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UErrorCode* status)
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{
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MOZ_CRASH("ucol_getKeywordValuesForLocale: Intl API disabled");
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}
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struct UParseError;
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struct UFieldPosition;
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typedef void* UNumberFormat;
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enum UNumberFormatStyle {
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UNUM_DECIMAL = 1,
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UNUM_CURRENCY,
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UNUM_PERCENT,
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UNUM_CURRENCY_ISO,
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UNUM_CURRENCY_PLURAL,
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};
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enum UNumberFormatRoundingMode {
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UNUM_ROUND_HALFUP,
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};
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enum UNumberFormatAttribute {
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UNUM_GROUPING_USED,
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UNUM_MIN_INTEGER_DIGITS,
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UNUM_MAX_FRACTION_DIGITS,
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UNUM_MIN_FRACTION_DIGITS,
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UNUM_ROUNDING_MODE,
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UNUM_SIGNIFICANT_DIGITS_USED,
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UNUM_MIN_SIGNIFICANT_DIGITS,
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UNUM_MAX_SIGNIFICANT_DIGITS,
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};
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enum UNumberFormatTextAttribute {
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UNUM_CURRENCY_CODE,
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};
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static int32_t
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unum_countAvailable()
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{
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MOZ_CRASH("unum_countAvailable: Intl API disabled");
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}
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static const char*
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unum_getAvailable(int32_t localeIndex)
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{
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MOZ_CRASH("unum_getAvailable: Intl API disabled");
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}
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static UNumberFormat*
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unum_open(UNumberFormatStyle style, const UChar* pattern, int32_t patternLength,
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const char* locale, UParseError* parseErr, UErrorCode* status)
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{
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MOZ_CRASH("unum_open: Intl API disabled");
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}
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static void
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unum_setAttribute(UNumberFormat* fmt, UNumberFormatAttribute attr, int32_t newValue)
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{
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MOZ_CRASH("unum_setAttribute: Intl API disabled");
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}
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static int32_t
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unum_formatDouble(const UNumberFormat* fmt, double number, UChar* result,
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int32_t resultLength, UFieldPosition* pos, UErrorCode* status)
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{
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MOZ_CRASH("unum_formatDouble: Intl API disabled");
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}
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static void
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unum_close(UNumberFormat* fmt)
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{
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MOZ_CRASH("unum_close: Intl API disabled");
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}
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static void
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unum_setTextAttribute(UNumberFormat* fmt, UNumberFormatTextAttribute tag, const UChar* newValue,
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int32_t newValueLength, UErrorCode* status)
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{
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MOZ_CRASH("unum_setTextAttribute: Intl API disabled");
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}
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class Locale {
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public:
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explicit Locale(const char* language, const char* country = 0, const char* variant = 0,
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const char* keywordsAndValues = 0);
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};
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Locale::Locale(const char* language, const char* country, const char* variant,
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const char* keywordsAndValues)
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{
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MOZ_CRASH("Locale::Locale: Intl API disabled");
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}
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class NumberingSystem {
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public:
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static NumberingSystem* createInstance(const Locale& inLocale, UErrorCode& status);
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const char* getName();
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};
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NumberingSystem*
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NumberingSystem::createInstance(const Locale& inLocale, UErrorCode& status)
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{
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MOZ_CRASH("NumberingSystem::createInstance: Intl API disabled");
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}
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const char*
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NumberingSystem::getName()
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{
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MOZ_CRASH("NumberingSystem::getName: Intl API disabled");
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}
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typedef void* UCalendar;
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enum UCalendarType {
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UCAL_TRADITIONAL,
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UCAL_DEFAULT = UCAL_TRADITIONAL,
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UCAL_GREGORIAN
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};
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static UCalendar*
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ucal_open(const UChar* zoneID, int32_t len, const char* locale,
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UCalendarType type, UErrorCode* status)
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{
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MOZ_CRASH("ucal_open: Intl API disabled");
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}
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static const char*
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ucal_getType(const UCalendar* cal, UErrorCode* status)
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{
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MOZ_CRASH("ucal_getType: Intl API disabled");
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}
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static UEnumeration*
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ucal_getKeywordValuesForLocale(const char* key, const char* locale,
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UBool commonlyUsed, UErrorCode* status)
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{
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MOZ_CRASH("ucal_getKeywordValuesForLocale: Intl API disabled");
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}
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static void
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ucal_close(UCalendar* cal)
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{
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MOZ_CRASH("ucal_close: Intl API disabled");
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}
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typedef void* UDateTimePatternGenerator;
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static UDateTimePatternGenerator*
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udatpg_open(const char* locale, UErrorCode* pErrorCode)
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{
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MOZ_CRASH("udatpg_open: Intl API disabled");
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}
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static int32_t
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udatpg_getBestPattern(UDateTimePatternGenerator* dtpg, const UChar* skeleton,
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int32_t length, UChar* bestPattern, int32_t capacity,
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UErrorCode* pErrorCode)
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{
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MOZ_CRASH("udatpg_getBestPattern: Intl API disabled");
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}
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static void
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udatpg_close(UDateTimePatternGenerator* dtpg)
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{
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MOZ_CRASH("udatpg_close: Intl API disabled");
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}
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typedef void* UCalendar;
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typedef void* UDateFormat;
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enum UDateFormatStyle {
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UDAT_PATTERN = -2,
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UDAT_IGNORE = UDAT_PATTERN
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};
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static int32_t
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udat_countAvailable()
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{
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MOZ_CRASH("udat_countAvailable: Intl API disabled");
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}
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static const char*
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udat_getAvailable(int32_t localeIndex)
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{
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MOZ_CRASH("udat_getAvailable: Intl API disabled");
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}
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static UDateFormat*
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udat_open(UDateFormatStyle timeStyle, UDateFormatStyle dateStyle, const char* locale,
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const UChar* tzID, int32_t tzIDLength, const UChar* pattern,
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int32_t patternLength, UErrorCode* status)
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{
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MOZ_CRASH("udat_open: Intl API disabled");
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}
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static const UCalendar*
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udat_getCalendar(const UDateFormat* fmt)
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{
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MOZ_CRASH("udat_getCalendar: Intl API disabled");
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}
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static void
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ucal_setGregorianChange(UCalendar* cal, UDate date, UErrorCode* pErrorCode)
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{
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MOZ_CRASH("ucal_setGregorianChange: Intl API disabled");
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}
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static int32_t
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udat_format(const UDateFormat* format, UDate dateToFormat, UChar* result,
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int32_t resultLength, UFieldPosition* position, UErrorCode* status)
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{
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MOZ_CRASH("udat_format: Intl API disabled");
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}
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static void
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udat_close(UDateFormat* format)
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{
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MOZ_CRASH("udat_close: Intl API disabled");
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}
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#endif
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/******************** Common to Intl constructors ********************/
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static bool
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IntlInitialize(JSContext* cx, HandleObject obj, Handle<PropertyName*> initializer,
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HandleValue locales, HandleValue options)
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{
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RootedValue initializerValue(cx);
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if (!GlobalObject::getIntrinsicValue(cx, cx->global(), initializer, &initializerValue))
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return false;
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MOZ_ASSERT(initializerValue.isObject());
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MOZ_ASSERT(initializerValue.toObject().is<JSFunction>());
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InvokeArgs args(cx);
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if (!args.init(cx, 3))
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return false;
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args.setCallee(initializerValue);
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args.setThis(NullValue());
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args[0].setObject(*obj);
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args[1].set(locales);
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args[2].set(options);
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return Invoke(cx, args);
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}
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static bool
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CreateDefaultOptions(JSContext* cx, MutableHandleValue defaultOptions)
|
|
{
|
|
RootedObject options(cx, NewObjectWithGivenProto<PlainObject>(cx, nullptr));
|
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if (!options)
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return false;
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defaultOptions.setObject(*options);
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return true;
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}
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|
|
// CountAvailable and GetAvailable describe the signatures used for ICU API
|
|
// to determine available locales for various functionality.
|
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typedef int32_t
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(* CountAvailable)();
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|
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typedef const char*
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(* GetAvailable)(int32_t localeIndex);
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|
|
static bool
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intl_availableLocales(JSContext* cx, CountAvailable countAvailable,
|
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GetAvailable getAvailable, MutableHandleValue result)
|
|
{
|
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RootedObject locales(cx, NewObjectWithGivenProto<PlainObject>(cx, nullptr));
|
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if (!locales)
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return false;
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|
|
#if ENABLE_INTL_API
|
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uint32_t count = countAvailable();
|
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RootedValue t(cx, BooleanValue(true));
|
|
for (uint32_t i = 0; i < count; i++) {
|
|
const char* locale = getAvailable(i);
|
|
ScopedJSFreePtr<char> lang(JS_strdup(cx, locale));
|
|
if (!lang)
|
|
return false;
|
|
char* p;
|
|
while ((p = VMX_STRCHR(lang, '_')))
|
|
*p = '-';
|
|
RootedAtom a(cx, Atomize(cx, lang, strlen(lang)));
|
|
if (!a)
|
|
return false;
|
|
if (!DefineProperty(cx, locales, a->asPropertyName(), t, nullptr, nullptr,
|
|
JSPROP_ENUMERATE))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
#endif
|
|
result.setObject(*locales);
|
|
return true;
|
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}
|
|
|
|
/**
|
|
* Returns the object holding the internal properties for obj.
|
|
*/
|
|
static bool
|
|
GetInternals(JSContext* cx, HandleObject obj, MutableHandleObject internals)
|
|
{
|
|
RootedValue getInternalsValue(cx);
|
|
if (!GlobalObject::getIntrinsicValue(cx, cx->global(), cx->names().getInternals,
|
|
&getInternalsValue))
|
|
{
|
|
return false;
|
|
}
|
|
MOZ_ASSERT(getInternalsValue.isObject());
|
|
MOZ_ASSERT(getInternalsValue.toObject().is<JSFunction>());
|
|
|
|
InvokeArgs args(cx);
|
|
if (!args.init(cx, 1))
|
|
return false;
|
|
|
|
args.setCallee(getInternalsValue);
|
|
args.setThis(NullValue());
|
|
args[0].setObject(*obj);
|
|
|
|
if (!Invoke(cx, args))
|
|
return false;
|
|
internals.set(&args.rval().toObject());
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
equal(const char* s1, const char* s2)
|
|
{
|
|
return !strcmp(s1, s2);
|
|
}
|
|
|
|
static bool
|
|
equal(JSAutoByteString& s1, const char* s2)
|
|
{
|
|
return !strcmp(s1.ptr(), s2);
|
|
}
|
|
|
|
static const char*
|
|
icuLocale(const char* locale)
|
|
{
|
|
if (equal(locale, "und"))
|
|
return ""; // ICU root locale
|
|
return locale;
|
|
}
|
|
|
|
// Simple RAII for ICU objects. MOZ_TYPE_SPECIFIC_SCOPED_POINTER_TEMPLATE
|
|
// unfortunately doesn't work because of namespace incompatibilities
|
|
// (TypeSpecificDelete cannot be in icu and mozilla at the same time)
|
|
// and because ICU declares both UNumberFormat and UDateTimePatternGenerator
|
|
// as void*.
|
|
template <typename T>
|
|
class ScopedICUObject
|
|
{
|
|
T* ptr_;
|
|
void (* deleter_)(T*);
|
|
|
|
public:
|
|
ScopedICUObject(T* ptr, void (*deleter)(T*))
|
|
: ptr_(ptr),
|
|
deleter_(deleter)
|
|
{}
|
|
|
|
~ScopedICUObject() {
|
|
if (ptr_)
|
|
deleter_(ptr_);
|
|
}
|
|
|
|
// In cases where an object should be deleted on abnormal exits,
|
|
// but returned to the caller if everything goes well, call forget()
|
|
// to transfer the object just before returning.
|
|
T* forget() {
|
|
T* tmp = ptr_;
|
|
ptr_ = nullptr;
|
|
return tmp;
|
|
}
|
|
};
|
|
|
|
// The inline capacity we use for the char16_t Vectors.
|
|
static const size_t INITIAL_CHAR_BUFFER_SIZE = 32;
|
|
|
|
/******************** Collator ********************/
|
|
|
|
static void collator_finalize(FreeOp* fop, JSObject* obj);
|
|
|
|
static const uint32_t UCOLLATOR_SLOT = 0;
|
|
static const uint32_t COLLATOR_SLOTS_COUNT = 1;
|
|
|
|
static const Class CollatorClass = {
|
|
js_Object_str,
|
|
JSCLASS_HAS_RESERVED_SLOTS(COLLATOR_SLOTS_COUNT),
|
|
nullptr, /* addProperty */
|
|
nullptr, /* delProperty */
|
|
nullptr, /* getProperty */
|
|
nullptr, /* setProperty */
|
|
nullptr, /* enumerate */
|
|
nullptr, /* resolve */
|
|
nullptr, /* mayResolve */
|
|
collator_finalize
|
|
};
|
|
|
|
#if JS_HAS_TOSOURCE
|
|
static bool
|
|
collator_toSource(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
args.rval().setString(cx->names().Collator);
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
static const JSFunctionSpec collator_static_methods[] = {
|
|
JS_SELF_HOSTED_FN("supportedLocalesOf", "Intl_Collator_supportedLocalesOf", 1, 0),
|
|
JS_FS_END
|
|
};
|
|
|
|
static const JSFunctionSpec collator_methods[] = {
|
|
JS_SELF_HOSTED_FN("resolvedOptions", "Intl_Collator_resolvedOptions", 0, 0),
|
|
#if JS_HAS_TOSOURCE
|
|
JS_FN(js_toSource_str, collator_toSource, 0, 0),
|
|
#endif
|
|
JS_FS_END
|
|
};
|
|
|
|
/**
|
|
* Collator constructor.
|
|
* Spec: ECMAScript Internationalization API Specification, 10.1
|
|
*/
|
|
static bool
|
|
Collator(JSContext* cx, const CallArgs& args, bool construct)
|
|
{
|
|
RootedObject obj(cx);
|
|
|
|
if (!construct) {
|
|
// 10.1.2.1 step 3
|
|
JSObject* intl = cx->global()->getOrCreateIntlObject(cx);
|
|
if (!intl)
|
|
return false;
|
|
RootedValue self(cx, args.thisv());
|
|
if (!self.isUndefined() && (!self.isObject() || self.toObject() != *intl)) {
|
|
// 10.1.2.1 step 4
|
|
obj = ToObject(cx, self);
|
|
if (!obj)
|
|
return false;
|
|
|
|
// 10.1.2.1 step 5
|
|
bool extensible;
|
|
if (!IsExtensible(cx, obj, &extensible))
|
|
return false;
|
|
if (!extensible)
|
|
return Throw(cx, obj, JSMSG_OBJECT_NOT_EXTENSIBLE);
|
|
} else {
|
|
// 10.1.2.1 step 3.a
|
|
construct = true;
|
|
}
|
|
}
|
|
if (construct) {
|
|
// 10.1.3.1 paragraph 2
|
|
RootedObject proto(cx, cx->global()->getOrCreateCollatorPrototype(cx));
|
|
if (!proto)
|
|
return false;
|
|
obj = NewObjectWithGivenProto(cx, &CollatorClass, proto);
|
|
if (!obj)
|
|
return false;
|
|
|
|
obj->as<NativeObject>().setReservedSlot(UCOLLATOR_SLOT, PrivateValue(nullptr));
|
|
}
|
|
|
|
// 10.1.2.1 steps 1 and 2; 10.1.3.1 steps 1 and 2
|
|
RootedValue locales(cx, args.length() > 0 ? args[0] : UndefinedValue());
|
|
RootedValue options(cx, args.length() > 1 ? args[1] : UndefinedValue());
|
|
|
|
// 10.1.2.1 step 6; 10.1.3.1 step 3
|
|
if (!IntlInitialize(cx, obj, cx->names().InitializeCollator, locales, options))
|
|
return false;
|
|
|
|
// 10.1.2.1 steps 3.a and 7
|
|
args.rval().setObject(*obj);
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
Collator(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
return Collator(cx, args, args.isConstructing());
|
|
}
|
|
|
|
bool
|
|
js::intl_Collator(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
MOZ_ASSERT(args.length() == 2);
|
|
// intl_Collator is an intrinsic for self-hosted JavaScript, so it cannot
|
|
// be used with "new", but it still has to be treated as a constructor.
|
|
return Collator(cx, args, true);
|
|
}
|
|
|
|
static void
|
|
collator_finalize(FreeOp* fop, JSObject* obj)
|
|
{
|
|
// This is-undefined check shouldn't be necessary, but for internal
|
|
// brokenness in object allocation code. For the moment, hack around it by
|
|
// explicitly guarding against the possibility of the reserved slot not
|
|
// containing a private. See bug 949220.
|
|
const Value& slot = obj->as<NativeObject>().getReservedSlot(UCOLLATOR_SLOT);
|
|
if (!slot.isUndefined()) {
|
|
if (UCollator* coll = static_cast<UCollator*>(slot.toPrivate()))
|
|
ucol_close(coll);
|
|
}
|
|
}
|
|
|
|
static JSObject*
|
|
InitCollatorClass(JSContext* cx, HandleObject Intl, Handle<GlobalObject*> global)
|
|
{
|
|
RootedFunction ctor(cx, global->createConstructor(cx, &Collator, cx->names().Collator, 0));
|
|
if (!ctor)
|
|
return nullptr;
|
|
|
|
RootedObject proto(cx, global->as<GlobalObject>().getOrCreateCollatorPrototype(cx));
|
|
if (!proto)
|
|
return nullptr;
|
|
if (!LinkConstructorAndPrototype(cx, ctor, proto))
|
|
return nullptr;
|
|
|
|
// 10.2.2
|
|
if (!JS_DefineFunctions(cx, ctor, collator_static_methods))
|
|
return nullptr;
|
|
|
|
// 10.3.2 and 10.3.3
|
|
if (!JS_DefineFunctions(cx, proto, collator_methods))
|
|
return nullptr;
|
|
|
|
/*
|
|
* Install the getter for Collator.prototype.compare, which returns a bound
|
|
* comparison function for the specified Collator object (suitable for
|
|
* passing to methods like Array.prototype.sort).
|
|
*/
|
|
RootedValue getter(cx);
|
|
if (!GlobalObject::getIntrinsicValue(cx, cx->global(), cx->names().CollatorCompareGet, &getter))
|
|
return nullptr;
|
|
if (!DefineProperty(cx, proto, cx->names().compare, UndefinedHandleValue,
|
|
JS_DATA_TO_FUNC_PTR(JSGetterOp, &getter.toObject()),
|
|
nullptr, JSPROP_GETTER | JSPROP_SHARED))
|
|
{
|
|
return nullptr;
|
|
}
|
|
|
|
RootedValue options(cx);
|
|
if (!CreateDefaultOptions(cx, &options))
|
|
return nullptr;
|
|
|
|
// 10.2.1 and 10.3
|
|
if (!IntlInitialize(cx, proto, cx->names().InitializeCollator, UndefinedHandleValue, options))
|
|
return nullptr;
|
|
|
|
// 8.1
|
|
RootedValue ctorValue(cx, ObjectValue(*ctor));
|
|
if (!DefineProperty(cx, Intl, cx->names().Collator, ctorValue, nullptr, nullptr, 0))
|
|
return nullptr;
|
|
|
|
return ctor;
|
|
}
|
|
|
|
bool
|
|
GlobalObject::initCollatorProto(JSContext* cx, Handle<GlobalObject*> global)
|
|
{
|
|
RootedNativeObject proto(cx, global->createBlankPrototype(cx, &CollatorClass));
|
|
if (!proto)
|
|
return false;
|
|
proto->setReservedSlot(UCOLLATOR_SLOT, PrivateValue(nullptr));
|
|
global->setReservedSlot(COLLATOR_PROTO, ObjectValue(*proto));
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
js::intl_Collator_availableLocales(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
MOZ_ASSERT(args.length() == 0);
|
|
|
|
RootedValue result(cx);
|
|
if (!intl_availableLocales(cx, ucol_countAvailable, ucol_getAvailable, &result))
|
|
return false;
|
|
args.rval().set(result);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
js::intl_availableCollations(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
MOZ_ASSERT(args.length() == 1);
|
|
MOZ_ASSERT(args[0].isString());
|
|
|
|
JSAutoByteString locale(cx, args[0].toString());
|
|
if (!locale)
|
|
return false;
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
UEnumeration* values = ucol_getKeywordValuesForLocale("co", locale.ptr(), false, &status);
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return false;
|
|
}
|
|
ScopedICUObject<UEnumeration> toClose(values, uenum_close);
|
|
|
|
uint32_t count = uenum_count(values, &status);
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
RootedObject collations(cx, NewDenseEmptyArray(cx));
|
|
if (!collations)
|
|
return false;
|
|
|
|
uint32_t index = 0;
|
|
for (uint32_t i = 0; i < count; i++) {
|
|
const char* collation = uenum_next(values, nullptr, &status);
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
// Per ECMA-402, 10.2.3, we don't include standard and search:
|
|
// "The values 'standard' and 'search' must not be used as elements in
|
|
// any [[sortLocaleData]][locale].co and [[searchLocaleData]][locale].co
|
|
// array."
|
|
if (equal(collation, "standard") || equal(collation, "search"))
|
|
continue;
|
|
|
|
// ICU returns old-style keyword values; map them to BCP 47 equivalents
|
|
// (see http://bugs.icu-project.org/trac/ticket/9620).
|
|
if (equal(collation, "dictionary"))
|
|
collation = "dict";
|
|
else if (equal(collation, "gb2312han"))
|
|
collation = "gb2312";
|
|
else if (equal(collation, "phonebook"))
|
|
collation = "phonebk";
|
|
else if (equal(collation, "traditional"))
|
|
collation = "trad";
|
|
|
|
RootedString jscollation(cx, JS_NewStringCopyZ(cx, collation));
|
|
if (!jscollation)
|
|
return false;
|
|
RootedValue element(cx, StringValue(jscollation));
|
|
if (!DefineElement(cx, collations, index++, element))
|
|
return false;
|
|
}
|
|
|
|
args.rval().setObject(*collations);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns a new UCollator with the locale and collation options
|
|
* of the given Collator.
|
|
*/
|
|
static UCollator*
|
|
NewUCollator(JSContext* cx, HandleObject collator)
|
|
{
|
|
RootedValue value(cx);
|
|
|
|
RootedObject internals(cx);
|
|
if (!GetInternals(cx, collator, &internals))
|
|
return nullptr;
|
|
|
|
if (!GetProperty(cx, internals, internals, cx->names().locale, &value))
|
|
return nullptr;
|
|
JSAutoByteString locale(cx, value.toString());
|
|
if (!locale)
|
|
return nullptr;
|
|
|
|
// UCollator options with default values.
|
|
UColAttributeValue uStrength = UCOL_DEFAULT;
|
|
UColAttributeValue uCaseLevel = UCOL_OFF;
|
|
UColAttributeValue uAlternate = UCOL_DEFAULT;
|
|
UColAttributeValue uNumeric = UCOL_OFF;
|
|
// Normalization is always on to meet the canonical equivalence requirement.
|
|
UColAttributeValue uNormalization = UCOL_ON;
|
|
UColAttributeValue uCaseFirst = UCOL_DEFAULT;
|
|
|
|
if (!GetProperty(cx, internals, internals, cx->names().usage, &value))
|
|
return nullptr;
|
|
JSAutoByteString usage(cx, value.toString());
|
|
if (!usage)
|
|
return nullptr;
|
|
if (equal(usage, "search")) {
|
|
// ICU expects search as a Unicode locale extension on locale.
|
|
// Unicode locale extensions must occur before private use extensions.
|
|
const char* oldLocale = locale.ptr();
|
|
const char* p;
|
|
size_t index;
|
|
size_t localeLen = strlen(oldLocale);
|
|
if ((p = strstr(oldLocale, "-x-")))
|
|
index = p - oldLocale;
|
|
else
|
|
index = localeLen;
|
|
|
|
const char* insert;
|
|
if ((p = strstr(oldLocale, "-u-")) && static_cast<size_t>(p - oldLocale) < index) {
|
|
index = p - oldLocale + 2;
|
|
insert = "-co-search";
|
|
} else {
|
|
insert = "-u-co-search";
|
|
}
|
|
size_t insertLen = strlen(insert);
|
|
char* newLocale = cx->pod_malloc<char>(localeLen + insertLen + 1);
|
|
if (!newLocale)
|
|
return nullptr;
|
|
memcpy(newLocale, oldLocale, index);
|
|
memcpy(newLocale + index, insert, insertLen);
|
|
memcpy(newLocale + index + insertLen, oldLocale + index, localeLen - index + 1); // '\0'
|
|
locale.clear();
|
|
locale.initBytes(newLocale);
|
|
}
|
|
|
|
// We don't need to look at the collation property - it can only be set
|
|
// via the Unicode locale extension and is therefore already set on
|
|
// locale.
|
|
|
|
if (!GetProperty(cx, internals, internals, cx->names().sensitivity, &value))
|
|
return nullptr;
|
|
JSAutoByteString sensitivity(cx, value.toString());
|
|
if (!sensitivity)
|
|
return nullptr;
|
|
if (equal(sensitivity, "base")) {
|
|
uStrength = UCOL_PRIMARY;
|
|
} else if (equal(sensitivity, "accent")) {
|
|
uStrength = UCOL_SECONDARY;
|
|
} else if (equal(sensitivity, "case")) {
|
|
uStrength = UCOL_PRIMARY;
|
|
uCaseLevel = UCOL_ON;
|
|
} else {
|
|
MOZ_ASSERT(equal(sensitivity, "variant"));
|
|
uStrength = UCOL_TERTIARY;
|
|
}
|
|
|
|
if (!GetProperty(cx, internals, internals, cx->names().ignorePunctuation, &value))
|
|
return nullptr;
|
|
// According to the ICU team, UCOL_SHIFTED causes punctuation to be
|
|
// ignored. Looking at Unicode Technical Report 35, Unicode Locale Data
|
|
// Markup Language, "shifted" causes whitespace and punctuation to be
|
|
// ignored - that's a bit more than asked for, but there's no way to get
|
|
// less.
|
|
if (value.toBoolean())
|
|
uAlternate = UCOL_SHIFTED;
|
|
|
|
if (!GetProperty(cx, internals, internals, cx->names().numeric, &value))
|
|
return nullptr;
|
|
if (!value.isUndefined() && value.toBoolean())
|
|
uNumeric = UCOL_ON;
|
|
|
|
if (!GetProperty(cx, internals, internals, cx->names().caseFirst, &value))
|
|
return nullptr;
|
|
if (!value.isUndefined()) {
|
|
JSAutoByteString caseFirst(cx, value.toString());
|
|
if (!caseFirst)
|
|
return nullptr;
|
|
if (equal(caseFirst, "upper"))
|
|
uCaseFirst = UCOL_UPPER_FIRST;
|
|
else if (equal(caseFirst, "lower"))
|
|
uCaseFirst = UCOL_LOWER_FIRST;
|
|
else
|
|
MOZ_ASSERT(equal(caseFirst, "false"));
|
|
}
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
UCollator* coll = ucol_open(icuLocale(locale.ptr()), &status);
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return nullptr;
|
|
}
|
|
|
|
ucol_setAttribute(coll, UCOL_STRENGTH, uStrength, &status);
|
|
ucol_setAttribute(coll, UCOL_CASE_LEVEL, uCaseLevel, &status);
|
|
ucol_setAttribute(coll, UCOL_ALTERNATE_HANDLING, uAlternate, &status);
|
|
ucol_setAttribute(coll, UCOL_NUMERIC_COLLATION, uNumeric, &status);
|
|
ucol_setAttribute(coll, UCOL_NORMALIZATION_MODE, uNormalization, &status);
|
|
ucol_setAttribute(coll, UCOL_CASE_FIRST, uCaseFirst, &status);
|
|
if (U_FAILURE(status)) {
|
|
ucol_close(coll);
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return nullptr;
|
|
}
|
|
|
|
return coll;
|
|
}
|
|
|
|
static bool
|
|
intl_CompareStrings(JSContext* cx, UCollator* coll, HandleString str1, HandleString str2,
|
|
MutableHandleValue result)
|
|
{
|
|
MOZ_ASSERT(str1);
|
|
MOZ_ASSERT(str2);
|
|
|
|
if (str1 == str2) {
|
|
result.setInt32(0);
|
|
return true;
|
|
}
|
|
|
|
AutoStableStringChars stableChars1(cx);
|
|
if (!stableChars1.initTwoByte(cx, str1))
|
|
return false;
|
|
|
|
AutoStableStringChars stableChars2(cx);
|
|
if (!stableChars2.initTwoByte(cx, str2))
|
|
return false;
|
|
|
|
mozilla::Range<const char16_t> chars1 = stableChars1.twoByteRange();
|
|
mozilla::Range<const char16_t> chars2 = stableChars2.twoByteRange();
|
|
|
|
UCollationResult uresult = ucol_strcoll(coll,
|
|
Char16ToUChar(chars1.start().get()), chars1.length(),
|
|
Char16ToUChar(chars2.start().get()), chars2.length());
|
|
int32_t res;
|
|
switch (uresult) {
|
|
case UCOL_LESS: res = -1; break;
|
|
case UCOL_EQUAL: res = 0; break;
|
|
case UCOL_GREATER: res = 1; break;
|
|
default: MOZ_CRASH("ucol_strcoll returned bad UCollationResult");
|
|
}
|
|
result.setInt32(res);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
js::intl_CompareStrings(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
MOZ_ASSERT(args.length() == 3);
|
|
MOZ_ASSERT(args[0].isObject());
|
|
MOZ_ASSERT(args[1].isString());
|
|
MOZ_ASSERT(args[2].isString());
|
|
|
|
RootedObject collator(cx, &args[0].toObject());
|
|
|
|
// Obtain a UCollator object, cached if possible.
|
|
// XXX Does this handle Collator instances from other globals correctly?
|
|
bool isCollatorInstance = collator->getClass() == &CollatorClass;
|
|
UCollator* coll;
|
|
if (isCollatorInstance) {
|
|
void* priv = collator->as<NativeObject>().getReservedSlot(UCOLLATOR_SLOT).toPrivate();
|
|
coll = static_cast<UCollator*>(priv);
|
|
if (!coll) {
|
|
coll = NewUCollator(cx, collator);
|
|
if (!coll)
|
|
return false;
|
|
collator->as<NativeObject>().setReservedSlot(UCOLLATOR_SLOT, PrivateValue(coll));
|
|
}
|
|
} else {
|
|
// There's no good place to cache the ICU collator for an object
|
|
// that has been initialized as a Collator but is not a Collator
|
|
// instance. One possibility might be to add a Collator instance as an
|
|
// internal property to each such object.
|
|
coll = NewUCollator(cx, collator);
|
|
if (!coll)
|
|
return false;
|
|
}
|
|
|
|
// Use the UCollator to actually compare the strings.
|
|
RootedString str1(cx, args[1].toString());
|
|
RootedString str2(cx, args[2].toString());
|
|
RootedValue result(cx);
|
|
bool success = intl_CompareStrings(cx, coll, str1, str2, &result);
|
|
|
|
if (!isCollatorInstance)
|
|
ucol_close(coll);
|
|
if (!success)
|
|
return false;
|
|
args.rval().set(result);
|
|
return true;
|
|
}
|
|
|
|
|
|
/******************** NumberFormat ********************/
|
|
|
|
static void numberFormat_finalize(FreeOp* fop, JSObject* obj);
|
|
|
|
static const uint32_t UNUMBER_FORMAT_SLOT = 0;
|
|
static const uint32_t NUMBER_FORMAT_SLOTS_COUNT = 1;
|
|
|
|
static const Class NumberFormatClass = {
|
|
js_Object_str,
|
|
JSCLASS_HAS_RESERVED_SLOTS(NUMBER_FORMAT_SLOTS_COUNT),
|
|
nullptr, /* addProperty */
|
|
nullptr, /* delProperty */
|
|
nullptr, /* getProperty */
|
|
nullptr, /* setProperty */
|
|
nullptr, /* enumerate */
|
|
nullptr, /* resolve */
|
|
nullptr, /* mayResolve */
|
|
numberFormat_finalize
|
|
};
|
|
|
|
#if JS_HAS_TOSOURCE
|
|
static bool
|
|
numberFormat_toSource(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
args.rval().setString(cx->names().NumberFormat);
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
static const JSFunctionSpec numberFormat_static_methods[] = {
|
|
JS_SELF_HOSTED_FN("supportedLocalesOf", "Intl_NumberFormat_supportedLocalesOf", 1, 0),
|
|
JS_FS_END
|
|
};
|
|
|
|
static const JSFunctionSpec numberFormat_methods[] = {
|
|
JS_SELF_HOSTED_FN("resolvedOptions", "Intl_NumberFormat_resolvedOptions", 0, 0),
|
|
#if JS_HAS_TOSOURCE
|
|
JS_FN(js_toSource_str, numberFormat_toSource, 0, 0),
|
|
#endif
|
|
JS_FS_END
|
|
};
|
|
|
|
/**
|
|
* NumberFormat constructor.
|
|
* Spec: ECMAScript Internationalization API Specification, 11.1
|
|
*/
|
|
static bool
|
|
NumberFormat(JSContext* cx, const CallArgs& args, bool construct)
|
|
{
|
|
RootedObject obj(cx);
|
|
|
|
if (!construct) {
|
|
// 11.1.2.1 step 3
|
|
JSObject* intl = cx->global()->getOrCreateIntlObject(cx);
|
|
if (!intl)
|
|
return false;
|
|
RootedValue self(cx, args.thisv());
|
|
if (!self.isUndefined() && (!self.isObject() || self.toObject() != *intl)) {
|
|
// 11.1.2.1 step 4
|
|
obj = ToObject(cx, self);
|
|
if (!obj)
|
|
return false;
|
|
|
|
// 11.1.2.1 step 5
|
|
bool extensible;
|
|
if (!IsExtensible(cx, obj, &extensible))
|
|
return false;
|
|
if (!extensible)
|
|
return Throw(cx, obj, JSMSG_OBJECT_NOT_EXTENSIBLE);
|
|
} else {
|
|
// 11.1.2.1 step 3.a
|
|
construct = true;
|
|
}
|
|
}
|
|
if (construct) {
|
|
// 11.1.3.1 paragraph 2
|
|
RootedObject proto(cx, cx->global()->getOrCreateNumberFormatPrototype(cx));
|
|
if (!proto)
|
|
return false;
|
|
obj = NewObjectWithGivenProto(cx, &NumberFormatClass, proto);
|
|
if (!obj)
|
|
return false;
|
|
|
|
obj->as<NativeObject>().setReservedSlot(UNUMBER_FORMAT_SLOT, PrivateValue(nullptr));
|
|
}
|
|
|
|
// 11.1.2.1 steps 1 and 2; 11.1.3.1 steps 1 and 2
|
|
RootedValue locales(cx, args.length() > 0 ? args[0] : UndefinedValue());
|
|
RootedValue options(cx, args.length() > 1 ? args[1] : UndefinedValue());
|
|
|
|
// 11.1.2.1 step 6; 11.1.3.1 step 3
|
|
if (!IntlInitialize(cx, obj, cx->names().InitializeNumberFormat, locales, options))
|
|
return false;
|
|
|
|
// 11.1.2.1 steps 3.a and 7
|
|
args.rval().setObject(*obj);
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
NumberFormat(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
return NumberFormat(cx, args, args.isConstructing());
|
|
}
|
|
|
|
bool
|
|
js::intl_NumberFormat(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
MOZ_ASSERT(args.length() == 2);
|
|
// intl_NumberFormat is an intrinsic for self-hosted JavaScript, so it
|
|
// cannot be used with "new", but it still has to be treated as a
|
|
// constructor.
|
|
return NumberFormat(cx, args, true);
|
|
}
|
|
|
|
static void
|
|
numberFormat_finalize(FreeOp* fop, JSObject* obj)
|
|
{
|
|
// This is-undefined check shouldn't be necessary, but for internal
|
|
// brokenness in object allocation code. For the moment, hack around it by
|
|
// explicitly guarding against the possibility of the reserved slot not
|
|
// containing a private. See bug 949220.
|
|
const Value& slot = obj->as<NativeObject>().getReservedSlot(UNUMBER_FORMAT_SLOT);
|
|
if (!slot.isUndefined()) {
|
|
if (UNumberFormat* nf = static_cast<UNumberFormat*>(slot.toPrivate()))
|
|
unum_close(nf);
|
|
}
|
|
}
|
|
|
|
static JSObject*
|
|
InitNumberFormatClass(JSContext* cx, HandleObject Intl, Handle<GlobalObject*> global)
|
|
{
|
|
RootedFunction ctor(cx);
|
|
ctor = global->createConstructor(cx, &NumberFormat, cx->names().NumberFormat, 0);
|
|
if (!ctor)
|
|
return nullptr;
|
|
|
|
RootedObject proto(cx, global->as<GlobalObject>().getOrCreateNumberFormatPrototype(cx));
|
|
if (!proto)
|
|
return nullptr;
|
|
if (!LinkConstructorAndPrototype(cx, ctor, proto))
|
|
return nullptr;
|
|
|
|
// 11.2.2
|
|
if (!JS_DefineFunctions(cx, ctor, numberFormat_static_methods))
|
|
return nullptr;
|
|
|
|
// 11.3.2 and 11.3.3
|
|
if (!JS_DefineFunctions(cx, proto, numberFormat_methods))
|
|
return nullptr;
|
|
|
|
/*
|
|
* Install the getter for NumberFormat.prototype.format, which returns a
|
|
* bound formatting function for the specified NumberFormat object (suitable
|
|
* for passing to methods like Array.prototype.map).
|
|
*/
|
|
RootedValue getter(cx);
|
|
if (!GlobalObject::getIntrinsicValue(cx, cx->global(), cx->names().NumberFormatFormatGet,
|
|
&getter))
|
|
{
|
|
return nullptr;
|
|
}
|
|
if (!DefineProperty(cx, proto, cx->names().format, UndefinedHandleValue,
|
|
JS_DATA_TO_FUNC_PTR(JSGetterOp, &getter.toObject()),
|
|
nullptr, JSPROP_GETTER | JSPROP_SHARED))
|
|
{
|
|
return nullptr;
|
|
}
|
|
|
|
RootedValue options(cx);
|
|
if (!CreateDefaultOptions(cx, &options))
|
|
return nullptr;
|
|
|
|
// 11.2.1 and 11.3
|
|
if (!IntlInitialize(cx, proto, cx->names().InitializeNumberFormat, UndefinedHandleValue,
|
|
options))
|
|
{
|
|
return nullptr;
|
|
}
|
|
|
|
// 8.1
|
|
RootedValue ctorValue(cx, ObjectValue(*ctor));
|
|
if (!DefineProperty(cx, Intl, cx->names().NumberFormat, ctorValue, nullptr, nullptr, 0))
|
|
return nullptr;
|
|
|
|
return ctor;
|
|
}
|
|
|
|
bool
|
|
GlobalObject::initNumberFormatProto(JSContext* cx, Handle<GlobalObject*> global)
|
|
{
|
|
RootedNativeObject proto(cx, global->createBlankPrototype(cx, &NumberFormatClass));
|
|
if (!proto)
|
|
return false;
|
|
proto->setReservedSlot(UNUMBER_FORMAT_SLOT, PrivateValue(nullptr));
|
|
global->setReservedSlot(NUMBER_FORMAT_PROTO, ObjectValue(*proto));
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
js::intl_NumberFormat_availableLocales(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
MOZ_ASSERT(args.length() == 0);
|
|
|
|
RootedValue result(cx);
|
|
if (!intl_availableLocales(cx, unum_countAvailable, unum_getAvailable, &result))
|
|
return false;
|
|
args.rval().set(result);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
js::intl_numberingSystem(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
MOZ_ASSERT(args.length() == 1);
|
|
MOZ_ASSERT(args[0].isString());
|
|
|
|
JSAutoByteString locale(cx, args[0].toString());
|
|
if (!locale)
|
|
return false;
|
|
|
|
// There's no C API for numbering system, so use the C++ API and hope it
|
|
// won't break. http://bugs.icu-project.org/trac/ticket/10039
|
|
Locale ulocale(locale.ptr());
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
NumberingSystem* numbers = NumberingSystem::createInstance(ulocale, status);
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return false;
|
|
}
|
|
const char* name = numbers->getName();
|
|
RootedString jsname(cx, JS_NewStringCopyZ(cx, name));
|
|
delete numbers;
|
|
if (!jsname)
|
|
return false;
|
|
args.rval().setString(jsname);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns a new UNumberFormat with the locale and number formatting options
|
|
* of the given NumberFormat.
|
|
*/
|
|
static UNumberFormat*
|
|
NewUNumberFormat(JSContext* cx, HandleObject numberFormat)
|
|
{
|
|
RootedValue value(cx);
|
|
|
|
RootedObject internals(cx);
|
|
if (!GetInternals(cx, numberFormat, &internals))
|
|
return nullptr;
|
|
|
|
if (!GetProperty(cx, internals, internals, cx->names().locale, &value))
|
|
return nullptr;
|
|
JSAutoByteString locale(cx, value.toString());
|
|
if (!locale)
|
|
return nullptr;
|
|
|
|
// UNumberFormat options with default values
|
|
UNumberFormatStyle uStyle = UNUM_DECIMAL;
|
|
const UChar* uCurrency = nullptr;
|
|
uint32_t uMinimumIntegerDigits = 1;
|
|
uint32_t uMinimumFractionDigits = 0;
|
|
uint32_t uMaximumFractionDigits = 3;
|
|
int32_t uMinimumSignificantDigits = -1;
|
|
int32_t uMaximumSignificantDigits = -1;
|
|
bool uUseGrouping = true;
|
|
|
|
// Sprinkle appropriate rooting flavor over things the GC might care about.
|
|
RootedString currency(cx);
|
|
AutoStableStringChars stableChars(cx);
|
|
|
|
// We don't need to look at numberingSystem - it can only be set via
|
|
// the Unicode locale extension and is therefore already set on locale.
|
|
|
|
if (!GetProperty(cx, internals, internals, cx->names().style, &value))
|
|
return nullptr;
|
|
JSAutoByteString style(cx, value.toString());
|
|
if (!style)
|
|
return nullptr;
|
|
|
|
if (equal(style, "currency")) {
|
|
if (!GetProperty(cx, internals, internals, cx->names().currency, &value))
|
|
return nullptr;
|
|
currency = value.toString();
|
|
MOZ_ASSERT(currency->length() == 3,
|
|
"IsWellFormedCurrencyCode permits only length-3 strings");
|
|
if (!currency->ensureFlat(cx) || !stableChars.initTwoByte(cx, currency))
|
|
return nullptr;
|
|
// uCurrency remains owned by stableChars.
|
|
uCurrency = Char16ToUChar(stableChars.twoByteRange().start().get());
|
|
if (!uCurrency)
|
|
return nullptr;
|
|
|
|
if (!GetProperty(cx, internals, internals, cx->names().currencyDisplay, &value))
|
|
return nullptr;
|
|
JSAutoByteString currencyDisplay(cx, value.toString());
|
|
if (!currencyDisplay)
|
|
return nullptr;
|
|
if (equal(currencyDisplay, "code")) {
|
|
uStyle = UNUM_CURRENCY_ISO;
|
|
} else if (equal(currencyDisplay, "symbol")) {
|
|
uStyle = UNUM_CURRENCY;
|
|
} else {
|
|
MOZ_ASSERT(equal(currencyDisplay, "name"));
|
|
uStyle = UNUM_CURRENCY_PLURAL;
|
|
}
|
|
} else if (equal(style, "percent")) {
|
|
uStyle = UNUM_PERCENT;
|
|
} else {
|
|
MOZ_ASSERT(equal(style, "decimal"));
|
|
uStyle = UNUM_DECIMAL;
|
|
}
|
|
|
|
RootedId id(cx, NameToId(cx->names().minimumSignificantDigits));
|
|
bool hasP;
|
|
if (!HasProperty(cx, internals, id, &hasP))
|
|
return nullptr;
|
|
if (hasP) {
|
|
if (!GetProperty(cx, internals, internals, cx->names().minimumSignificantDigits,
|
|
&value))
|
|
{
|
|
return nullptr;
|
|
}
|
|
uMinimumSignificantDigits = int32_t(value.toNumber());
|
|
if (!GetProperty(cx, internals, internals, cx->names().maximumSignificantDigits,
|
|
&value))
|
|
{
|
|
return nullptr;
|
|
}
|
|
uMaximumSignificantDigits = int32_t(value.toNumber());
|
|
} else {
|
|
if (!GetProperty(cx, internals, internals, cx->names().minimumIntegerDigits,
|
|
&value))
|
|
{
|
|
return nullptr;
|
|
}
|
|
uMinimumIntegerDigits = int32_t(value.toNumber());
|
|
if (!GetProperty(cx, internals, internals, cx->names().minimumFractionDigits,
|
|
&value))
|
|
{
|
|
return nullptr;
|
|
}
|
|
uMinimumFractionDigits = int32_t(value.toNumber());
|
|
if (!GetProperty(cx, internals, internals, cx->names().maximumFractionDigits,
|
|
&value))
|
|
{
|
|
return nullptr;
|
|
}
|
|
uMaximumFractionDigits = int32_t(value.toNumber());
|
|
}
|
|
|
|
if (!GetProperty(cx, internals, internals, cx->names().useGrouping, &value))
|
|
return nullptr;
|
|
uUseGrouping = value.toBoolean();
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
UNumberFormat* nf = unum_open(uStyle, nullptr, 0, icuLocale(locale.ptr()), nullptr, &status);
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return nullptr;
|
|
}
|
|
ScopedICUObject<UNumberFormat> toClose(nf, unum_close);
|
|
|
|
if (uCurrency) {
|
|
unum_setTextAttribute(nf, UNUM_CURRENCY_CODE, uCurrency, 3, &status);
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return nullptr;
|
|
}
|
|
}
|
|
if (uMinimumSignificantDigits != -1) {
|
|
unum_setAttribute(nf, UNUM_SIGNIFICANT_DIGITS_USED, true);
|
|
unum_setAttribute(nf, UNUM_MIN_SIGNIFICANT_DIGITS, uMinimumSignificantDigits);
|
|
unum_setAttribute(nf, UNUM_MAX_SIGNIFICANT_DIGITS, uMaximumSignificantDigits);
|
|
} else {
|
|
unum_setAttribute(nf, UNUM_MIN_INTEGER_DIGITS, uMinimumIntegerDigits);
|
|
unum_setAttribute(nf, UNUM_MIN_FRACTION_DIGITS, uMinimumFractionDigits);
|
|
unum_setAttribute(nf, UNUM_MAX_FRACTION_DIGITS, uMaximumFractionDigits);
|
|
}
|
|
unum_setAttribute(nf, UNUM_GROUPING_USED, uUseGrouping);
|
|
unum_setAttribute(nf, UNUM_ROUNDING_MODE, UNUM_ROUND_HALFUP);
|
|
|
|
return toClose.forget();
|
|
}
|
|
|
|
static bool
|
|
intl_FormatNumber(JSContext* cx, UNumberFormat* nf, double x, MutableHandleValue result)
|
|
{
|
|
// FormatNumber doesn't consider -0.0 to be negative.
|
|
if (IsNegativeZero(x))
|
|
x = 0.0;
|
|
|
|
Vector<char16_t, INITIAL_CHAR_BUFFER_SIZE> chars(cx);
|
|
if (!chars.resize(INITIAL_CHAR_BUFFER_SIZE))
|
|
return false;
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
int size = unum_formatDouble(nf, x, Char16ToUChar(chars.begin()), INITIAL_CHAR_BUFFER_SIZE,
|
|
nullptr, &status);
|
|
if (status == U_BUFFER_OVERFLOW_ERROR) {
|
|
if (!chars.resize(size))
|
|
return false;
|
|
status = U_ZERO_ERROR;
|
|
unum_formatDouble(nf, x, Char16ToUChar(chars.begin()), size, nullptr, &status);
|
|
}
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
JSString* str = NewStringCopyN<CanGC>(cx, chars.begin(), size);
|
|
if (!str)
|
|
return false;
|
|
|
|
result.setString(str);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
js::intl_FormatNumber(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
MOZ_ASSERT(args.length() == 2);
|
|
MOZ_ASSERT(args[0].isObject());
|
|
MOZ_ASSERT(args[1].isNumber());
|
|
|
|
RootedObject numberFormat(cx, &args[0].toObject());
|
|
|
|
// Obtain a UNumberFormat object, cached if possible.
|
|
bool isNumberFormatInstance = numberFormat->getClass() == &NumberFormatClass;
|
|
UNumberFormat* nf;
|
|
if (isNumberFormatInstance) {
|
|
void* priv =
|
|
numberFormat->as<NativeObject>().getReservedSlot(UNUMBER_FORMAT_SLOT).toPrivate();
|
|
nf = static_cast<UNumberFormat*>(priv);
|
|
if (!nf) {
|
|
nf = NewUNumberFormat(cx, numberFormat);
|
|
if (!nf)
|
|
return false;
|
|
numberFormat->as<NativeObject>().setReservedSlot(UNUMBER_FORMAT_SLOT, PrivateValue(nf));
|
|
}
|
|
} else {
|
|
// There's no good place to cache the ICU number format for an object
|
|
// that has been initialized as a NumberFormat but is not a
|
|
// NumberFormat instance. One possibility might be to add a
|
|
// NumberFormat instance as an internal property to each such object.
|
|
nf = NewUNumberFormat(cx, numberFormat);
|
|
if (!nf)
|
|
return false;
|
|
}
|
|
|
|
// Use the UNumberFormat to actually format the number.
|
|
RootedValue result(cx);
|
|
bool success = intl_FormatNumber(cx, nf, args[1].toNumber(), &result);
|
|
|
|
if (!isNumberFormatInstance)
|
|
unum_close(nf);
|
|
if (!success)
|
|
return false;
|
|
args.rval().set(result);
|
|
return true;
|
|
}
|
|
|
|
|
|
/******************** DateTimeFormat ********************/
|
|
|
|
static void dateTimeFormat_finalize(FreeOp* fop, JSObject* obj);
|
|
|
|
static const uint32_t UDATE_FORMAT_SLOT = 0;
|
|
static const uint32_t DATE_TIME_FORMAT_SLOTS_COUNT = 1;
|
|
|
|
static const Class DateTimeFormatClass = {
|
|
js_Object_str,
|
|
JSCLASS_HAS_RESERVED_SLOTS(DATE_TIME_FORMAT_SLOTS_COUNT),
|
|
nullptr, /* addProperty */
|
|
nullptr, /* delProperty */
|
|
nullptr, /* getProperty */
|
|
nullptr, /* setProperty */
|
|
nullptr, /* enumerate */
|
|
nullptr, /* resolve */
|
|
nullptr, /* mayResolve */
|
|
dateTimeFormat_finalize
|
|
};
|
|
|
|
#if JS_HAS_TOSOURCE
|
|
static bool
|
|
dateTimeFormat_toSource(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
args.rval().setString(cx->names().DateTimeFormat);
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
static const JSFunctionSpec dateTimeFormat_static_methods[] = {
|
|
JS_SELF_HOSTED_FN("supportedLocalesOf", "Intl_DateTimeFormat_supportedLocalesOf", 1, 0),
|
|
JS_FS_END
|
|
};
|
|
|
|
static const JSFunctionSpec dateTimeFormat_methods[] = {
|
|
JS_SELF_HOSTED_FN("resolvedOptions", "Intl_DateTimeFormat_resolvedOptions", 0, 0),
|
|
#if JS_HAS_TOSOURCE
|
|
JS_FN(js_toSource_str, dateTimeFormat_toSource, 0, 0),
|
|
#endif
|
|
JS_FS_END
|
|
};
|
|
|
|
/**
|
|
* DateTimeFormat constructor.
|
|
* Spec: ECMAScript Internationalization API Specification, 12.1
|
|
*/
|
|
static bool
|
|
DateTimeFormat(JSContext* cx, const CallArgs& args, bool construct)
|
|
{
|
|
RootedObject obj(cx);
|
|
|
|
if (!construct) {
|
|
// 12.1.2.1 step 3
|
|
JSObject* intl = cx->global()->getOrCreateIntlObject(cx);
|
|
if (!intl)
|
|
return false;
|
|
RootedValue self(cx, args.thisv());
|
|
if (!self.isUndefined() && (!self.isObject() || self.toObject() != *intl)) {
|
|
// 12.1.2.1 step 4
|
|
obj = ToObject(cx, self);
|
|
if (!obj)
|
|
return false;
|
|
|
|
// 12.1.2.1 step 5
|
|
bool extensible;
|
|
if (!IsExtensible(cx, obj, &extensible))
|
|
return false;
|
|
if (!extensible)
|
|
return Throw(cx, obj, JSMSG_OBJECT_NOT_EXTENSIBLE);
|
|
} else {
|
|
// 12.1.2.1 step 3.a
|
|
construct = true;
|
|
}
|
|
}
|
|
if (construct) {
|
|
// 12.1.3.1 paragraph 2
|
|
RootedObject proto(cx, cx->global()->getOrCreateDateTimeFormatPrototype(cx));
|
|
if (!proto)
|
|
return false;
|
|
obj = NewObjectWithGivenProto(cx, &DateTimeFormatClass, proto);
|
|
if (!obj)
|
|
return false;
|
|
|
|
obj->as<NativeObject>().setReservedSlot(UDATE_FORMAT_SLOT, PrivateValue(nullptr));
|
|
}
|
|
|
|
// 12.1.2.1 steps 1 and 2; 12.1.3.1 steps 1 and 2
|
|
RootedValue locales(cx, args.length() > 0 ? args[0] : UndefinedValue());
|
|
RootedValue options(cx, args.length() > 1 ? args[1] : UndefinedValue());
|
|
|
|
// 12.1.2.1 step 6; 12.1.3.1 step 3
|
|
if (!IntlInitialize(cx, obj, cx->names().InitializeDateTimeFormat, locales, options))
|
|
return false;
|
|
|
|
// 12.1.2.1 steps 3.a and 7
|
|
args.rval().setObject(*obj);
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
DateTimeFormat(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
return DateTimeFormat(cx, args, args.isConstructing());
|
|
}
|
|
|
|
bool
|
|
js::intl_DateTimeFormat(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
MOZ_ASSERT(args.length() == 2);
|
|
// intl_DateTimeFormat is an intrinsic for self-hosted JavaScript, so it
|
|
// cannot be used with "new", but it still has to be treated as a
|
|
// constructor.
|
|
return DateTimeFormat(cx, args, true);
|
|
}
|
|
|
|
static void
|
|
dateTimeFormat_finalize(FreeOp* fop, JSObject* obj)
|
|
{
|
|
// This is-undefined check shouldn't be necessary, but for internal
|
|
// brokenness in object allocation code. For the moment, hack around it by
|
|
// explicitly guarding against the possibility of the reserved slot not
|
|
// containing a private. See bug 949220.
|
|
const Value& slot = obj->as<NativeObject>().getReservedSlot(UDATE_FORMAT_SLOT);
|
|
if (!slot.isUndefined()) {
|
|
if (UDateFormat* df = static_cast<UDateFormat*>(slot.toPrivate()))
|
|
udat_close(df);
|
|
}
|
|
}
|
|
|
|
static JSObject*
|
|
InitDateTimeFormatClass(JSContext* cx, HandleObject Intl, Handle<GlobalObject*> global)
|
|
{
|
|
RootedFunction ctor(cx);
|
|
ctor = global->createConstructor(cx, &DateTimeFormat, cx->names().DateTimeFormat, 0);
|
|
if (!ctor)
|
|
return nullptr;
|
|
|
|
RootedObject proto(cx, global->as<GlobalObject>().getOrCreateDateTimeFormatPrototype(cx));
|
|
if (!proto)
|
|
return nullptr;
|
|
if (!LinkConstructorAndPrototype(cx, ctor, proto))
|
|
return nullptr;
|
|
|
|
// 12.2.2
|
|
if (!JS_DefineFunctions(cx, ctor, dateTimeFormat_static_methods))
|
|
return nullptr;
|
|
|
|
// 12.3.2 and 12.3.3
|
|
if (!JS_DefineFunctions(cx, proto, dateTimeFormat_methods))
|
|
return nullptr;
|
|
|
|
/*
|
|
* Install the getter for DateTimeFormat.prototype.format, which returns a
|
|
* bound formatting function for the specified DateTimeFormat object
|
|
* (suitable for passing to methods like Array.prototype.map).
|
|
*/
|
|
RootedValue getter(cx);
|
|
if (!GlobalObject::getIntrinsicValue(cx, cx->global(), cx->names().DateTimeFormatFormatGet,
|
|
&getter))
|
|
{
|
|
return nullptr;
|
|
}
|
|
if (!DefineProperty(cx, proto, cx->names().format, UndefinedHandleValue,
|
|
JS_DATA_TO_FUNC_PTR(JSGetterOp, &getter.toObject()),
|
|
nullptr, JSPROP_GETTER | JSPROP_SHARED))
|
|
{
|
|
return nullptr;
|
|
}
|
|
|
|
RootedValue options(cx);
|
|
if (!CreateDefaultOptions(cx, &options))
|
|
return nullptr;
|
|
|
|
// 12.2.1 and 12.3
|
|
if (!IntlInitialize(cx, proto, cx->names().InitializeDateTimeFormat, UndefinedHandleValue,
|
|
options))
|
|
{
|
|
return nullptr;
|
|
}
|
|
|
|
// 8.1
|
|
RootedValue ctorValue(cx, ObjectValue(*ctor));
|
|
if (!DefineProperty(cx, Intl, cx->names().DateTimeFormat, ctorValue, nullptr, nullptr, 0))
|
|
return nullptr;
|
|
|
|
return ctor;
|
|
}
|
|
|
|
bool
|
|
GlobalObject::initDateTimeFormatProto(JSContext* cx, Handle<GlobalObject*> global)
|
|
{
|
|
RootedNativeObject proto(cx, global->createBlankPrototype(cx, &DateTimeFormatClass));
|
|
if (!proto)
|
|
return false;
|
|
proto->setReservedSlot(UDATE_FORMAT_SLOT, PrivateValue(nullptr));
|
|
global->setReservedSlot(DATE_TIME_FORMAT_PROTO, ObjectValue(*proto));
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
js::intl_DateTimeFormat_availableLocales(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
MOZ_ASSERT(args.length() == 0);
|
|
|
|
RootedValue result(cx);
|
|
if (!intl_availableLocales(cx, udat_countAvailable, udat_getAvailable, &result))
|
|
return false;
|
|
args.rval().set(result);
|
|
return true;
|
|
}
|
|
|
|
// ICU returns old-style keyword values; map them to BCP 47 equivalents
|
|
// (see http://bugs.icu-project.org/trac/ticket/9620).
|
|
static const char*
|
|
bcp47CalendarName(const char* icuName)
|
|
{
|
|
if (equal(icuName, "ethiopic-amete-alem"))
|
|
return "ethioaa";
|
|
if (equal(icuName, "gregorian"))
|
|
return "gregory";
|
|
if (equal(icuName, "islamic-civil"))
|
|
return "islamicc";
|
|
return icuName;
|
|
}
|
|
|
|
bool
|
|
js::intl_availableCalendars(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
MOZ_ASSERT(args.length() == 1);
|
|
MOZ_ASSERT(args[0].isString());
|
|
|
|
JSAutoByteString locale(cx, args[0].toString());
|
|
if (!locale)
|
|
return false;
|
|
|
|
RootedObject calendars(cx, NewDenseEmptyArray(cx));
|
|
if (!calendars)
|
|
return false;
|
|
uint32_t index = 0;
|
|
|
|
// We need the default calendar for the locale as the first result.
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
UCalendar* cal = ucal_open(nullptr, 0, locale.ptr(), UCAL_DEFAULT, &status);
|
|
const char* calendar = ucal_getType(cal, &status);
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return false;
|
|
}
|
|
ucal_close(cal);
|
|
RootedString jscalendar(cx, JS_NewStringCopyZ(cx, bcp47CalendarName(calendar)));
|
|
if (!jscalendar)
|
|
return false;
|
|
RootedValue element(cx, StringValue(jscalendar));
|
|
if (!DefineElement(cx, calendars, index++, element))
|
|
return false;
|
|
|
|
// Now get the calendars that "would make a difference", i.e., not the default.
|
|
UEnumeration* values = ucal_getKeywordValuesForLocale("ca", locale.ptr(), false, &status);
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return false;
|
|
}
|
|
ScopedICUObject<UEnumeration> toClose(values, uenum_close);
|
|
|
|
uint32_t count = uenum_count(values, &status);
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
for (; count > 0; count--) {
|
|
calendar = uenum_next(values, nullptr, &status);
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
jscalendar = JS_NewStringCopyZ(cx, bcp47CalendarName(calendar));
|
|
if (!jscalendar)
|
|
return false;
|
|
element = StringValue(jscalendar);
|
|
if (!DefineElement(cx, calendars, index++, element))
|
|
return false;
|
|
}
|
|
|
|
args.rval().setObject(*calendars);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
js::intl_patternForSkeleton(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
MOZ_ASSERT(args.length() == 2);
|
|
MOZ_ASSERT(args[0].isString());
|
|
MOZ_ASSERT(args[1].isString());
|
|
|
|
JSAutoByteString locale(cx, args[0].toString());
|
|
if (!locale)
|
|
return false;
|
|
|
|
JSFlatString* skeletonFlat = args[1].toString()->ensureFlat(cx);
|
|
if (!skeletonFlat)
|
|
return false;
|
|
|
|
AutoStableStringChars stableChars(cx);
|
|
if (!stableChars.initTwoByte(cx, skeletonFlat))
|
|
return false;
|
|
|
|
mozilla::Range<const char16_t> skeletonChars = stableChars.twoByteRange();
|
|
uint32_t skeletonLen = u_strlen(Char16ToUChar(skeletonChars.start().get()));
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
UDateTimePatternGenerator* gen = udatpg_open(icuLocale(locale.ptr()), &status);
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return false;
|
|
}
|
|
ScopedICUObject<UDateTimePatternGenerator> toClose(gen, udatpg_close);
|
|
|
|
int32_t size = udatpg_getBestPattern(gen, Char16ToUChar(skeletonChars.start().get()),
|
|
skeletonLen, nullptr, 0, &status);
|
|
if (U_FAILURE(status) && status != U_BUFFER_OVERFLOW_ERROR) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return false;
|
|
}
|
|
ScopedJSFreePtr<UChar> pattern(cx->pod_malloc<UChar>(size + 1));
|
|
if (!pattern)
|
|
return false;
|
|
pattern[size] = '\0';
|
|
status = U_ZERO_ERROR;
|
|
udatpg_getBestPattern(gen, Char16ToUChar(skeletonChars.start().get()),
|
|
skeletonLen, pattern, size, &status);
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
RootedString str(cx, JS_NewUCStringCopyZ(cx, reinterpret_cast<char16_t*>(pattern.get())));
|
|
if (!str)
|
|
return false;
|
|
args.rval().setString(str);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns a new UDateFormat with the locale and date-time formatting options
|
|
* of the given DateTimeFormat.
|
|
*/
|
|
static UDateFormat*
|
|
NewUDateFormat(JSContext* cx, HandleObject dateTimeFormat)
|
|
{
|
|
RootedValue value(cx);
|
|
|
|
RootedObject internals(cx);
|
|
if (!GetInternals(cx, dateTimeFormat, &internals))
|
|
return nullptr;
|
|
|
|
if (!GetProperty(cx, internals, internals, cx->names().locale, &value))
|
|
return nullptr;
|
|
JSAutoByteString locale(cx, value.toString());
|
|
if (!locale)
|
|
return nullptr;
|
|
|
|
// UDateFormat options with default values.
|
|
const UChar* uTimeZone = nullptr;
|
|
uint32_t uTimeZoneLength = 0;
|
|
const UChar* uPattern = nullptr;
|
|
uint32_t uPatternLength = 0;
|
|
|
|
// We don't need to look at calendar and numberingSystem - they can only be
|
|
// set via the Unicode locale extension and are therefore already set on
|
|
// locale.
|
|
|
|
RootedId id(cx, NameToId(cx->names().timeZone));
|
|
bool hasP;
|
|
if (!HasProperty(cx, internals, id, &hasP))
|
|
return nullptr;
|
|
|
|
AutoStableStringChars timeZoneChars(cx);
|
|
if (hasP) {
|
|
if (!GetProperty(cx, internals, internals, cx->names().timeZone, &value))
|
|
return nullptr;
|
|
if (!value.isUndefined()) {
|
|
JSFlatString* flat = value.toString()->ensureFlat(cx);
|
|
if (!flat || !timeZoneChars.initTwoByte(cx, flat))
|
|
return nullptr;
|
|
uTimeZone = Char16ToUChar(timeZoneChars.twoByteRange().start().get());
|
|
if (!uTimeZone)
|
|
return nullptr;
|
|
uTimeZoneLength = u_strlen(uTimeZone);
|
|
}
|
|
}
|
|
if (!GetProperty(cx, internals, internals, cx->names().pattern, &value))
|
|
return nullptr;
|
|
|
|
AutoStableStringChars patternChars(cx);
|
|
JSFlatString* flat = value.toString()->ensureFlat(cx);
|
|
if (!flat || !patternChars.initTwoByte(cx, flat))
|
|
return nullptr;
|
|
|
|
uPattern = Char16ToUChar(patternChars.twoByteRange().start().get());
|
|
if (!uPattern)
|
|
return nullptr;
|
|
uPatternLength = u_strlen(uPattern);
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
|
|
if (!uTimeZone) {
|
|
// When no time zone was specified, we use ICU's default time zone.
|
|
// The current default might be stale, because JS::ResetTimeZone()
|
|
// doesn't immediately update ICU's default time zone. So perform an
|
|
// update if needed.
|
|
js::ResyncICUDefaultTimeZone();
|
|
}
|
|
|
|
// If building with ICU headers before 50.1, use UDAT_IGNORE instead of
|
|
// UDAT_PATTERN.
|
|
UDateFormat* df =
|
|
udat_open(UDAT_PATTERN, UDAT_PATTERN, icuLocale(locale.ptr()), uTimeZone, uTimeZoneLength,
|
|
uPattern, uPatternLength, &status);
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return nullptr;
|
|
}
|
|
|
|
// ECMAScript requires the Gregorian calendar to be used from the beginning
|
|
// of ECMAScript time.
|
|
UCalendar* cal = const_cast<UCalendar*>(udat_getCalendar(df));
|
|
ucal_setGregorianChange(cal, StartOfTime, &status);
|
|
|
|
// An error here means the calendar is not Gregorian, so we don't care.
|
|
|
|
return df;
|
|
}
|
|
|
|
static bool
|
|
intl_FormatDateTime(JSContext* cx, UDateFormat* df, double x, MutableHandleValue result)
|
|
{
|
|
if (!IsFinite(x)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_DATE_NOT_FINITE);
|
|
return false;
|
|
}
|
|
|
|
Vector<char16_t, INITIAL_CHAR_BUFFER_SIZE> chars(cx);
|
|
if (!chars.resize(INITIAL_CHAR_BUFFER_SIZE))
|
|
return false;
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
int size = udat_format(df, x, Char16ToUChar(chars.begin()), INITIAL_CHAR_BUFFER_SIZE,
|
|
nullptr, &status);
|
|
if (status == U_BUFFER_OVERFLOW_ERROR) {
|
|
if (!chars.resize(size))
|
|
return false;
|
|
status = U_ZERO_ERROR;
|
|
udat_format(df, x, Char16ToUChar(chars.begin()), size, nullptr, &status);
|
|
}
|
|
if (U_FAILURE(status)) {
|
|
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_INTERNAL_INTL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
JSString* str = NewStringCopyN<CanGC>(cx, chars.begin(), size);
|
|
if (!str)
|
|
return false;
|
|
|
|
result.setString(str);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
js::intl_FormatDateTime(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
MOZ_ASSERT(args.length() == 2);
|
|
MOZ_ASSERT(args[0].isObject());
|
|
MOZ_ASSERT(args[1].isNumber());
|
|
|
|
RootedObject dateTimeFormat(cx, &args[0].toObject());
|
|
|
|
// Obtain a UDateFormat object, cached if possible.
|
|
bool isDateTimeFormatInstance = dateTimeFormat->getClass() == &DateTimeFormatClass;
|
|
UDateFormat* df;
|
|
if (isDateTimeFormatInstance) {
|
|
void* priv =
|
|
dateTimeFormat->as<NativeObject>().getReservedSlot(UDATE_FORMAT_SLOT).toPrivate();
|
|
df = static_cast<UDateFormat*>(priv);
|
|
if (!df) {
|
|
df = NewUDateFormat(cx, dateTimeFormat);
|
|
if (!df)
|
|
return false;
|
|
dateTimeFormat->as<NativeObject>().setReservedSlot(UDATE_FORMAT_SLOT, PrivateValue(df));
|
|
}
|
|
} else {
|
|
// There's no good place to cache the ICU date-time format for an object
|
|
// that has been initialized as a DateTimeFormat but is not a
|
|
// DateTimeFormat instance. One possibility might be to add a
|
|
// DateTimeFormat instance as an internal property to each such object.
|
|
df = NewUDateFormat(cx, dateTimeFormat);
|
|
if (!df)
|
|
return false;
|
|
}
|
|
|
|
// Use the UDateFormat to actually format the time stamp.
|
|
RootedValue result(cx);
|
|
bool success = intl_FormatDateTime(cx, df, args[1].toNumber(), &result);
|
|
|
|
if (!isDateTimeFormatInstance)
|
|
udat_close(df);
|
|
if (!success)
|
|
return false;
|
|
args.rval().set(result);
|
|
return true;
|
|
}
|
|
|
|
|
|
/******************** Intl ********************/
|
|
|
|
const Class js::IntlClass = {
|
|
js_Object_str,
|
|
JSCLASS_HAS_CACHED_PROTO(JSProto_Intl)
|
|
};
|
|
|
|
#if JS_HAS_TOSOURCE
|
|
static bool
|
|
intl_toSource(JSContext* cx, unsigned argc, Value* vp)
|
|
{
|
|
CallArgs args = CallArgsFromVp(argc, vp);
|
|
args.rval().setString(cx->names().Intl);
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
static const JSFunctionSpec intl_static_methods[] = {
|
|
#if JS_HAS_TOSOURCE
|
|
JS_FN(js_toSource_str, intl_toSource, 0, 0),
|
|
#endif
|
|
JS_FS_END
|
|
};
|
|
|
|
/**
|
|
* Initializes the Intl Object and its standard built-in properties.
|
|
* Spec: ECMAScript Internationalization API Specification, 8.0, 8.1
|
|
*/
|
|
JSObject*
|
|
js::InitIntlClass(JSContext* cx, HandleObject obj)
|
|
{
|
|
MOZ_ASSERT(obj->is<GlobalObject>());
|
|
Rooted<GlobalObject*> global(cx, &obj->as<GlobalObject>());
|
|
|
|
// The constructors above need to be able to determine whether they've been
|
|
// called with this being "the standard built-in Intl object". The global
|
|
// object reserves slots to track standard built-in objects, but doesn't
|
|
// normally keep references to non-constructors. This makes sure there is one.
|
|
RootedObject Intl(cx, global->getOrCreateIntlObject(cx));
|
|
if (!Intl)
|
|
return nullptr;
|
|
|
|
RootedValue IntlValue(cx, ObjectValue(*Intl));
|
|
if (!DefineProperty(cx, global, cx->names().Intl, IntlValue, nullptr, nullptr,
|
|
JSPROP_RESOLVING))
|
|
{
|
|
return nullptr;
|
|
}
|
|
|
|
if (!JS_DefineFunctions(cx, Intl, intl_static_methods))
|
|
return nullptr;
|
|
|
|
if (!InitCollatorClass(cx, Intl, global))
|
|
return nullptr;
|
|
if (!InitNumberFormatClass(cx, Intl, global))
|
|
return nullptr;
|
|
if (!InitDateTimeFormatClass(cx, Intl, global))
|
|
return nullptr;
|
|
|
|
global->setConstructor(JSProto_Intl, ObjectValue(*Intl));
|
|
|
|
return Intl;
|
|
}
|
|
|
|
bool
|
|
GlobalObject::initIntlObject(JSContext* cx, Handle<GlobalObject*> global)
|
|
{
|
|
RootedObject Intl(cx);
|
|
RootedObject proto(cx, global->getOrCreateObjectPrototype(cx));
|
|
Intl = NewObjectWithGivenProto(cx, &IntlClass, proto, SingletonObject);
|
|
if (!Intl)
|
|
return false;
|
|
|
|
global->setConstructor(JSProto_Intl, ObjectValue(*Intl));
|
|
return true;
|
|
}
|