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Issue #2046 - Move Intl.DateTimeFormat functionality into builtin/intl/DateTimeFormat.*
This commit is contained in:
Martok
roytam1
parent
ce98604d2e
commit
c981fb13ea
6 changed files with 965 additions and 880 deletions
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@ -24,10 +24,10 @@
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#include "builtin/intl/Collator.h"
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#include "builtin/intl/Collator.h"
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#include "builtin/intl/CommonFunctions.h"
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#include "builtin/intl/CommonFunctions.h"
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#include "builtin/intl/DateTimeFormat.h"
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#include "builtin/intl/ICUHeader.h"
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#include "builtin/intl/ICUHeader.h"
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#include "builtin/intl/NumberFormat.h"
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#include "builtin/intl/NumberFormat.h"
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#include "builtin/intl/ScopedICUObject.h"
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#include "builtin/intl/ScopedICUObject.h"
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#include "builtin/intl/SharedIntlData.h"
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#include "ds/Sort.h"
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#include "ds/Sort.h"
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#include "vm/DateTime.h"
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#include "vm/DateTime.h"
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#include "vm/GlobalObject.h"
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#include "vm/GlobalObject.h"
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@ -45,796 +45,13 @@ using namespace js;
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using mozilla::AssertedCast;
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using mozilla::AssertedCast;
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using mozilla::IsFinite;
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using mozilla::IsFinite;
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using mozilla::IsNegativeZero;
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using mozilla::IsNegativeZero;
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using mozilla::PodCopy;
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using js::intl::CallICU;
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using js::intl::CallICU;
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using js::intl::GetAvailableLocales;
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using js::intl::GetAvailableLocales;
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using js::intl::IcuLocale;
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using js::intl::IcuLocale;
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using js::intl::INITIAL_CHAR_BUFFER_SIZE;
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using js::intl::INITIAL_CHAR_BUFFER_SIZE;
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using js::intl::SharedIntlData;
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using js::intl::StringsAreEqual;
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using js::intl::StringsAreEqual;
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/******************** DateTimeFormat ********************/
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static void dateTimeFormat_finalize(FreeOp* fop, JSObject* obj);
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static const uint32_t UDATE_FORMAT_SLOT = 0;
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static const uint32_t DATE_TIME_FORMAT_SLOTS_COUNT = 1;
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static const ClassOps DateTimeFormatClassOps = {
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nullptr, /* addProperty */
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nullptr, /* delProperty */
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nullptr, /* getProperty */
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nullptr, /* setProperty */
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nullptr, /* enumerate */
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nullptr, /* resolve */
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nullptr, /* mayResolve */
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dateTimeFormat_finalize
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};
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static const Class DateTimeFormatClass = {
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js_Object_str,
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JSCLASS_HAS_RESERVED_SLOTS(DATE_TIME_FORMAT_SLOTS_COUNT) |
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JSCLASS_FOREGROUND_FINALIZE,
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&DateTimeFormatClassOps
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};
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#if JS_HAS_TOSOURCE
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static bool
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dateTimeFormat_toSource(JSContext* cx, unsigned argc, Value* vp)
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{
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CallArgs args = CallArgsFromVp(argc, vp);
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args.rval().setString(cx->names().DateTimeFormat);
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return true;
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}
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#endif
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static const JSFunctionSpec dateTimeFormat_static_methods[] = {
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JS_SELF_HOSTED_FN("supportedLocalesOf", "Intl_DateTimeFormat_supportedLocalesOf", 1, 0),
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JS_FS_END
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};
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static const JSFunctionSpec dateTimeFormat_methods[] = {
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JS_SELF_HOSTED_FN("resolvedOptions", "Intl_DateTimeFormat_resolvedOptions", 0, 0),
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JS_SELF_HOSTED_FN("formatToParts", "Intl_DateTimeFormat_formatToParts", 0, 0),
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#if JS_HAS_TOSOURCE
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JS_FN(js_toSource_str, dateTimeFormat_toSource, 0, 0),
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#endif
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JS_FS_END
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};
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/**
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* 12.2.1 Intl.DateTimeFormat([ locales [, options]])
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*
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* ES2017 Intl draft rev 94045d234762ad107a3d09bb6f7381a65f1a2f9b
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*/
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static bool
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DateTimeFormat(JSContext* cx, const CallArgs& args, bool construct)
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{
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RootedObject obj(cx);
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// We're following ECMA-402 1st Edition when DateTimeFormat is called
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// because of backward compatibility issues.
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// See https://github.com/tc39/ecma402/issues/57
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if (!construct) {
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// ES Intl 1st ed., 12.1.2.1 step 3
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JSObject* intl = GlobalObject::getOrCreateIntlObject(cx, cx->global());
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if (!intl)
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return false;
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RootedValue self(cx, args.thisv());
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if (!self.isUndefined() && (!self.isObject() || self.toObject() != *intl)) {
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// ES Intl 1st ed., 12.1.2.1 step 4
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obj = ToObject(cx, self);
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if (!obj)
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return false;
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// ES Intl 1st ed., 12.1.2.1 step 5
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bool extensible;
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if (!IsExtensible(cx, obj, &extensible))
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return false;
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if (!extensible)
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return Throw(cx, obj, JSMSG_OBJECT_NOT_EXTENSIBLE);
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} else {
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// ES Intl 1st ed., 12.1.2.1 step 3.a
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construct = true;
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}
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}
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if (construct) {
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// Step 2 (Inlined 9.1.14, OrdinaryCreateFromConstructor).
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RootedObject proto(cx);
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if (args.isConstructing() && !GetPrototypeFromCallableConstructor(cx, args, &proto))
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return false;
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if (!proto) {
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proto = GlobalObject::getOrCreateDateTimeFormatPrototype(cx, cx->global());
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if (!proto)
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return false;
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}
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obj = NewObjectWithGivenProto(cx, &DateTimeFormatClass, proto);
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if (!obj)
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return false;
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obj->as<NativeObject>().setReservedSlot(UDATE_FORMAT_SLOT, PrivateValue(nullptr));
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}
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RootedValue locales(cx, args.length() > 0 ? args[0] : UndefinedValue());
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RootedValue options(cx, args.length() > 1 ? args[1] : UndefinedValue());
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// Step 3.
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if (!intl::InitializeObject(cx, obj, cx->names().InitializeDateTimeFormat, locales, options))
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return false;
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args.rval().setObject(*obj);
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return true;
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}
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static bool
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DateTimeFormat(JSContext* cx, unsigned argc, Value* vp)
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{
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CallArgs args = CallArgsFromVp(argc, vp);
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return DateTimeFormat(cx, args, args.isConstructing());
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}
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bool
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js::intl_DateTimeFormat(JSContext* cx, unsigned argc, Value* vp)
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{
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CallArgs args = CallArgsFromVp(argc, vp);
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MOZ_ASSERT(args.length() == 2);
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MOZ_ASSERT(!args.isConstructing());
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// intl_DateTimeFormat is an intrinsic for self-hosted JavaScript, so it
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// cannot be used with "new", but it still has to be treated as a
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// constructor.
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return DateTimeFormat(cx, args, true);
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}
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static void
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dateTimeFormat_finalize(FreeOp* fop, JSObject* obj)
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{
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MOZ_ASSERT(fop->onMainThread());
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// This is-undefined check shouldn't be necessary, but for internal
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// brokenness in object allocation code. For the moment, hack around it by
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// explicitly guarding against the possibility of the reserved slot not
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// containing a private. See bug 949220.
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const Value& slot = obj->as<NativeObject>().getReservedSlot(UDATE_FORMAT_SLOT);
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if (!slot.isUndefined()) {
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if (UDateFormat* df = static_cast<UDateFormat*>(slot.toPrivate()))
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udat_close(df);
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}
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}
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static JSObject*
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CreateDateTimeFormatPrototype(JSContext* cx, HandleObject Intl, Handle<GlobalObject*> global)
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{
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RootedFunction ctor(cx);
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ctor = GlobalObject::createConstructor(cx, &DateTimeFormat, cx->names().DateTimeFormat, 0);
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if (!ctor)
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return nullptr;
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RootedNativeObject proto(cx, GlobalObject::createBlankPrototype(cx, global,
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&DateTimeFormatClass));
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if (!proto)
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return nullptr;
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proto->setReservedSlot(UDATE_FORMAT_SLOT, PrivateValue(nullptr));
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if (!LinkConstructorAndPrototype(cx, ctor, proto))
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return nullptr;
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// 12.2.2
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if (!JS_DefineFunctions(cx, ctor, dateTimeFormat_static_methods))
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return nullptr;
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// 12.3.2 and 12.3.3
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if (!JS_DefineFunctions(cx, proto, dateTimeFormat_methods))
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return nullptr;
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// Install a getter for DateTimeFormat.prototype.format that returns a
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// formatting function bound to a specified DateTimeFormat object (suitable
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// for passing to methods like Array.prototype.map).
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RootedValue getter(cx);
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if (!GlobalObject::getIntrinsicValue(cx, cx->global(), cx->names().DateTimeFormatFormatGet,
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&getter))
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{
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return nullptr;
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}
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if (!DefineProperty(cx, proto, cx->names().format, UndefinedHandleValue,
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JS_DATA_TO_FUNC_PTR(JSGetterOp, &getter.toObject()),
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nullptr, JSPROP_GETTER | JSPROP_SHARED))
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{
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return nullptr;
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}
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RootedValue options(cx);
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if (!intl::CreateDefaultOptions(cx, &options))
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return nullptr;
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// 12.2.1 and 12.3
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if (!intl::InitializeObject(cx, proto, cx->names().InitializeDateTimeFormat, UndefinedHandleValue,
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options))
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{
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return nullptr;
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}
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// 8.1
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RootedValue ctorValue(cx, ObjectValue(*ctor));
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if (!DefineProperty(cx, Intl, cx->names().DateTimeFormat, ctorValue, nullptr, nullptr, 0))
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return nullptr;
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return proto;
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}
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bool
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js::intl_DateTimeFormat_availableLocales(JSContext* cx, unsigned argc, Value* vp)
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{
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CallArgs args = CallArgsFromVp(argc, vp);
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MOZ_ASSERT(args.length() == 0);
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RootedValue result(cx);
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if (!GetAvailableLocales(cx, udat_countAvailable, udat_getAvailable, &result))
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return false;
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args.rval().set(result);
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return true;
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}
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// ICU returns old-style keyword values; map them to BCP 47 equivalents
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// (see http://bugs.icu-project.org/trac/ticket/9620).
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static const char*
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bcp47CalendarName(const char* icuName)
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{
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if (StringsAreEqual(icuName, "ethiopic-amete-alem"))
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return "ethioaa";
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if (StringsAreEqual(icuName, "gregorian"))
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return "gregory";
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if (StringsAreEqual(icuName, "islamic-civil"))
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return "islamicc";
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return icuName;
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}
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bool
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js::intl_availableCalendars(JSContext* cx, unsigned argc, Value* vp)
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{
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CallArgs args = CallArgsFromVp(argc, vp);
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MOZ_ASSERT(args.length() == 1);
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MOZ_ASSERT(args[0].isString());
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JSAutoByteString locale(cx, args[0].toString());
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if (!locale)
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return false;
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RootedObject calendars(cx, NewDenseEmptyArray(cx));
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if (!calendars)
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return false;
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uint32_t index = 0;
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// We need the default calendar for the locale as the first result.
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UErrorCode status = U_ZERO_ERROR;
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RootedString jscalendar(cx);
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{
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UCalendar* cal = ucal_open(nullptr, 0, locale.ptr(), UCAL_DEFAULT, &status);
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// This correctly handles nullptr |cal| when opening failed.
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ScopedICUObject<UCalendar, ucal_close> closeCalendar(cal);
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const char* calendar = ucal_getType(cal, &status);
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if (U_FAILURE(status)) {
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intl::ReportInternalError(cx);
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return false;
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}
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jscalendar = JS_NewStringCopyZ(cx, bcp47CalendarName(calendar));
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if (!jscalendar)
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return false;
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}
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RootedValue element(cx, StringValue(jscalendar));
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if (!DefineElement(cx, calendars, index++, element))
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return false;
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// Now get the calendars that "would make a difference", i.e., not the default.
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UEnumeration* values = ucal_getKeywordValuesForLocale("ca", locale.ptr(), false, &status);
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if (U_FAILURE(status)) {
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intl::ReportInternalError(cx);
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return false;
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}
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ScopedICUObject<UEnumeration, uenum_close> toClose(values);
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uint32_t count = uenum_count(values, &status);
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if (U_FAILURE(status)) {
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intl::ReportInternalError(cx);
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return false;
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}
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for (; count > 0; count--) {
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const char* calendar = uenum_next(values, nullptr, &status);
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if (U_FAILURE(status)) {
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intl::ReportInternalError(cx);
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return false;
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}
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jscalendar = JS_NewStringCopyZ(cx, bcp47CalendarName(calendar));
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if (!jscalendar)
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return false;
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element = StringValue(jscalendar);
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if (!DefineElement(cx, calendars, index++, element))
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return false;
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}
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args.rval().setObject(*calendars);
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return true;
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}
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bool
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js::intl_IsValidTimeZoneName(JSContext* cx, unsigned argc, Value* vp)
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{
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CallArgs args = CallArgsFromVp(argc, vp);
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MOZ_ASSERT(args.length() == 1);
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MOZ_ASSERT(args[0].isString());
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SharedIntlData& sharedIntlData = cx->sharedIntlData;
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RootedString timeZone(cx, args[0].toString());
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RootedString validatedTimeZone(cx);
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if (!sharedIntlData.validateTimeZoneName(cx, timeZone, &validatedTimeZone))
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return false;
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if (validatedTimeZone)
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args.rval().setString(validatedTimeZone);
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else
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args.rval().setNull();
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return true;
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}
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bool
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js::intl_canonicalizeTimeZone(JSContext* cx, unsigned argc, Value* vp)
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{
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CallArgs args = CallArgsFromVp(argc, vp);
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MOZ_ASSERT(args.length() == 1);
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MOZ_ASSERT(args[0].isString());
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SharedIntlData& sharedIntlData = cx->sharedIntlData;
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// Some time zone names are canonicalized differently by ICU -- handle
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// those first:
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RootedString timeZone(cx, args[0].toString());
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RootedString ianaTimeZone(cx);
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if (!sharedIntlData.tryCanonicalizeTimeZoneConsistentWithIANA(cx, timeZone, &ianaTimeZone))
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|
||||||
return false;
|
|
||||||
|
|
||||||
if (ianaTimeZone) {
|
|
||||||
args.rval().setString(ianaTimeZone);
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
AutoStableStringChars stableChars(cx);
|
|
||||||
if (!stableChars.initTwoByte(cx, timeZone))
|
|
||||||
return false;
|
|
||||||
|
|
||||||
mozilla::Range<const char16_t> tzchars = stableChars.twoByteRange();
|
|
||||||
|
|
||||||
JSString* str = CallICU(cx, [&tzchars](UChar* chars, uint32_t size, UErrorCode* status) {
|
|
||||||
return ucal_getCanonicalTimeZoneID(tzchars.begin().get(), tzchars.length(),
|
|
||||||
chars, size, nullptr, status);
|
|
||||||
});
|
|
||||||
if (!str)
|
|
||||||
return false;
|
|
||||||
args.rval().setString(str);
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
bool
|
|
||||||
js::intl_defaultTimeZone(JSContext* cx, unsigned argc, Value* vp)
|
|
||||||
{
|
|
||||||
CallArgs args = CallArgsFromVp(argc, vp);
|
|
||||||
MOZ_ASSERT(args.length() == 0);
|
|
||||||
|
|
||||||
// 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();
|
|
||||||
|
|
||||||
JSString* str = CallICU(cx, ucal_getDefaultTimeZone);
|
|
||||||
if (!str)
|
|
||||||
return false;
|
|
||||||
args.rval().setString(str);
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
bool
|
|
||||||
js::intl_defaultTimeZoneOffset(JSContext* cx, unsigned argc, Value* vp) {
|
|
||||||
CallArgs args = CallArgsFromVp(argc, vp);
|
|
||||||
MOZ_ASSERT(args.length() == 0);
|
|
||||||
|
|
||||||
UErrorCode status = U_ZERO_ERROR;
|
|
||||||
const UChar* uTimeZone = nullptr;
|
|
||||||
int32_t uTimeZoneLength = 0;
|
|
||||||
const char* rootLocale = "";
|
|
||||||
UCalendar* cal = ucal_open(uTimeZone, uTimeZoneLength, rootLocale, UCAL_DEFAULT, &status);
|
|
||||||
if (U_FAILURE(status)) {
|
|
||||||
intl::ReportInternalError(cx);
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
ScopedICUObject<UCalendar, ucal_close> toClose(cal);
|
|
||||||
|
|
||||||
int32_t offset = ucal_get(cal, UCAL_ZONE_OFFSET, &status);
|
|
||||||
if (U_FAILURE(status)) {
|
|
||||||
intl::ReportInternalError(cx);
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
args.rval().setInt32(offset);
|
|
||||||
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.begin().get()));
|
|
||||||
|
|
||||||
UErrorCode status = U_ZERO_ERROR;
|
|
||||||
UDateTimePatternGenerator* gen = udatpg_open(IcuLocale(locale.ptr()), &status);
|
|
||||||
if (U_FAILURE(status)) {
|
|
||||||
intl::ReportInternalError(cx);
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
ScopedICUObject<UDateTimePatternGenerator, udatpg_close> toClose(gen);
|
|
||||||
|
|
||||||
JSString* str =
|
|
||||||
CallICU(cx, [gen, &skeletonChars, skeletonLen](UChar* chars, uint32_t size, UErrorCode* status) {
|
|
||||||
return udatpg_getBestPattern(gen, skeletonChars.begin().get(), skeletonLen,
|
|
||||||
chars, size, status);
|
|
||||||
});
|
|
||||||
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, intl::GetInternalsObject(cx, dateTimeFormat));
|
|
||||||
if (!internals)
|
|
||||||
return nullptr;
|
|
||||||
|
|
||||||
if (!GetProperty(cx, internals, internals, cx->names().locale, &value))
|
|
||||||
return nullptr;
|
|
||||||
JSAutoByteString locale(cx, value.toString());
|
|
||||||
if (!locale)
|
|
||||||
return nullptr;
|
|
||||||
|
|
||||||
// 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.
|
|
||||||
|
|
||||||
if (!GetProperty(cx, internals, internals, cx->names().timeZone, &value))
|
|
||||||
return nullptr;
|
|
||||||
|
|
||||||
AutoStableStringChars timeZoneChars(cx);
|
|
||||||
Rooted<JSFlatString*> timeZoneFlat(cx, value.toString()->ensureFlat(cx));
|
|
||||||
if (!timeZoneFlat || !timeZoneChars.initTwoByte(cx, timeZoneFlat))
|
|
||||||
return nullptr;
|
|
||||||
|
|
||||||
const UChar* uTimeZone = Char16ToUChar(timeZoneChars.twoByteRange().begin().get());
|
|
||||||
uint32_t uTimeZoneLength = u_strlen(uTimeZone);
|
|
||||||
|
|
||||||
if (!GetProperty(cx, internals, internals, cx->names().pattern, &value))
|
|
||||||
return nullptr;
|
|
||||||
|
|
||||||
AutoStableStringChars patternChars(cx);
|
|
||||||
Rooted<JSFlatString*> patternFlat(cx, value.toString()->ensureFlat(cx));
|
|
||||||
if (!patternFlat || !patternChars.initTwoByte(cx, patternFlat))
|
|
||||||
return nullptr;
|
|
||||||
|
|
||||||
const UChar* uPattern = Char16ToUChar(patternChars.twoByteRange().begin().get());
|
|
||||||
uint32_t uPatternLength = u_strlen(uPattern);
|
|
||||||
|
|
||||||
UErrorCode status = U_ZERO_ERROR;
|
|
||||||
UDateFormat* df =
|
|
||||||
udat_open(UDAT_PATTERN, UDAT_PATTERN, IcuLocale(locale.ptr()), uTimeZone, uTimeZoneLength,
|
|
||||||
uPattern, uPatternLength, &status);
|
|
||||||
if (U_FAILURE(status)) {
|
|
||||||
intl::ReportInternalError(cx);
|
|
||||||
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_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr, JSMSG_DATE_NOT_FINITE);
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
JSString* str = CallICU(cx, [df, x](UChar* chars, int32_t size, UErrorCode* status) {
|
|
||||||
return udat_format(df, x, chars, size, nullptr, status);
|
|
||||||
});
|
|
||||||
if (!str)
|
|
||||||
return false;
|
|
||||||
|
|
||||||
result.setString(str);
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
using FieldType = ImmutablePropertyNamePtr JSAtomState::*;
|
|
||||||
|
|
||||||
static FieldType
|
|
||||||
GetFieldTypeForFormatField(UDateFormatField fieldName)
|
|
||||||
{
|
|
||||||
// See intl/icu/source/i18n/unicode/udat.h for a detailed field list. This
|
|
||||||
// switch is deliberately exhaustive: cases might have to be added/removed
|
|
||||||
// if this code is compiled with a different ICU with more
|
|
||||||
// UDateFormatField enum initializers. Please guard such cases with
|
|
||||||
// appropriate ICU version-testing #ifdefs, should cross-version divergence
|
|
||||||
// occur.
|
|
||||||
switch (fieldName) {
|
|
||||||
case UDAT_ERA_FIELD:
|
|
||||||
return &JSAtomState::era;
|
|
||||||
case UDAT_YEAR_FIELD:
|
|
||||||
case UDAT_YEAR_WOY_FIELD:
|
|
||||||
case UDAT_EXTENDED_YEAR_FIELD:
|
|
||||||
case UDAT_YEAR_NAME_FIELD:
|
|
||||||
return &JSAtomState::year;
|
|
||||||
|
|
||||||
case UDAT_MONTH_FIELD:
|
|
||||||
case UDAT_STANDALONE_MONTH_FIELD:
|
|
||||||
return &JSAtomState::month;
|
|
||||||
|
|
||||||
case UDAT_DATE_FIELD:
|
|
||||||
case UDAT_JULIAN_DAY_FIELD:
|
|
||||||
return &JSAtomState::day;
|
|
||||||
|
|
||||||
case UDAT_HOUR_OF_DAY1_FIELD:
|
|
||||||
case UDAT_HOUR_OF_DAY0_FIELD:
|
|
||||||
case UDAT_HOUR1_FIELD:
|
|
||||||
case UDAT_HOUR0_FIELD:
|
|
||||||
return &JSAtomState::hour;
|
|
||||||
|
|
||||||
case UDAT_MINUTE_FIELD:
|
|
||||||
return &JSAtomState::minute;
|
|
||||||
|
|
||||||
case UDAT_SECOND_FIELD:
|
|
||||||
return &JSAtomState::second;
|
|
||||||
|
|
||||||
case UDAT_DAY_OF_WEEK_FIELD:
|
|
||||||
case UDAT_STANDALONE_DAY_FIELD:
|
|
||||||
case UDAT_DOW_LOCAL_FIELD:
|
|
||||||
case UDAT_DAY_OF_WEEK_IN_MONTH_FIELD:
|
|
||||||
return &JSAtomState::weekday;
|
|
||||||
|
|
||||||
case UDAT_AM_PM_FIELD:
|
|
||||||
return &JSAtomState::dayPeriod;
|
|
||||||
|
|
||||||
case UDAT_TIMEZONE_FIELD:
|
|
||||||
return &JSAtomState::timeZoneName;
|
|
||||||
|
|
||||||
case UDAT_FRACTIONAL_SECOND_FIELD:
|
|
||||||
case UDAT_DAY_OF_YEAR_FIELD:
|
|
||||||
case UDAT_WEEK_OF_YEAR_FIELD:
|
|
||||||
case UDAT_WEEK_OF_MONTH_FIELD:
|
|
||||||
case UDAT_MILLISECONDS_IN_DAY_FIELD:
|
|
||||||
case UDAT_TIMEZONE_RFC_FIELD:
|
|
||||||
case UDAT_TIMEZONE_GENERIC_FIELD:
|
|
||||||
case UDAT_QUARTER_FIELD:
|
|
||||||
case UDAT_STANDALONE_QUARTER_FIELD:
|
|
||||||
case UDAT_TIMEZONE_SPECIAL_FIELD:
|
|
||||||
case UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD:
|
|
||||||
case UDAT_TIMEZONE_ISO_FIELD:
|
|
||||||
case UDAT_TIMEZONE_ISO_LOCAL_FIELD:
|
|
||||||
#ifndef U_HIDE_INTERNAL_API
|
|
||||||
case UDAT_RELATED_YEAR_FIELD:
|
|
||||||
#endif
|
|
||||||
#ifndef U_HIDE_DRAFT_API
|
|
||||||
case UDAT_AM_PM_MIDNIGHT_NOON_FIELD:
|
|
||||||
case UDAT_FLEXIBLE_DAY_PERIOD_FIELD:
|
|
||||||
#endif
|
|
||||||
#ifndef U_HIDE_INTERNAL_API
|
|
||||||
case UDAT_TIME_SEPARATOR_FIELD:
|
|
||||||
#endif
|
|
||||||
// These fields are all unsupported.
|
|
||||||
return nullptr;
|
|
||||||
|
|
||||||
case UDAT_FIELD_COUNT:
|
|
||||||
MOZ_ASSERT_UNREACHABLE("format field sentinel value returned by "
|
|
||||||
"iterator!");
|
|
||||||
}
|
|
||||||
|
|
||||||
MOZ_ASSERT_UNREACHABLE("unenumerated, undocumented format field returned "
|
|
||||||
"by iterator");
|
|
||||||
return nullptr;
|
|
||||||
}
|
|
||||||
|
|
||||||
static bool
|
|
||||||
intl_FormatToPartsDateTime(JSContext* cx, UDateFormat* df, double x, MutableHandleValue result)
|
|
||||||
{
|
|
||||||
if (!IsFinite(x)) {
|
|
||||||
JS_ReportErrorNumberASCII(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;
|
|
||||||
UFieldPositionIterator* fpositer = ufieldpositer_open(&status);
|
|
||||||
if (U_FAILURE(status)) {
|
|
||||||
intl::ReportInternalError(cx);
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
ScopedICUObject<UFieldPositionIterator, ufieldpositer_close> toClose(fpositer);
|
|
||||||
|
|
||||||
RootedString overallResult(cx);
|
|
||||||
overallResult = CallICU(cx, [df, x, fpositer](UChar* chars, int32_t size, UErrorCode* status) {
|
|
||||||
return udat_formatForFields(df, x, chars, size, fpositer, status);
|
|
||||||
});
|
|
||||||
if (!overallResult)
|
|
||||||
return false;
|
|
||||||
|
|
||||||
RootedArrayObject partsArray(cx, NewDenseEmptyArray(cx));
|
|
||||||
if (!partsArray)
|
|
||||||
return false;
|
|
||||||
if (overallResult->length() == 0) {
|
|
||||||
// An empty string contains no parts, so avoid extra work below.
|
|
||||||
result.setObject(*partsArray);
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
size_t lastEndIndex = 0;
|
|
||||||
|
|
||||||
uint32_t partIndex = 0;
|
|
||||||
RootedObject singlePart(cx);
|
|
||||||
RootedValue partType(cx);
|
|
||||||
RootedValue val(cx);
|
|
||||||
|
|
||||||
auto AppendPart = [&](FieldType type, size_t beginIndex, size_t endIndex) {
|
|
||||||
singlePart = NewBuiltinClassInstance<PlainObject>(cx);
|
|
||||||
if (!singlePart)
|
|
||||||
return false;
|
|
||||||
|
|
||||||
partType = StringValue(cx->names().*type);
|
|
||||||
if (!DefineProperty(cx, singlePart, cx->names().type, partType))
|
|
||||||
return false;
|
|
||||||
|
|
||||||
JSLinearString* partSubstr =
|
|
||||||
NewDependentString(cx, overallResult, beginIndex, endIndex - beginIndex);
|
|
||||||
if (!partSubstr)
|
|
||||||
return false;
|
|
||||||
|
|
||||||
val = StringValue(partSubstr);
|
|
||||||
if (!DefineProperty(cx, singlePart, cx->names().value, val))
|
|
||||||
return false;
|
|
||||||
|
|
||||||
val = ObjectValue(*singlePart);
|
|
||||||
if (!DefineElement(cx, partsArray, partIndex, val))
|
|
||||||
return false;
|
|
||||||
|
|
||||||
lastEndIndex = endIndex;
|
|
||||||
partIndex++;
|
|
||||||
return true;
|
|
||||||
};
|
|
||||||
|
|
||||||
int32_t fieldInt, beginIndexInt, endIndexInt;
|
|
||||||
while ((fieldInt = ufieldpositer_next(fpositer, &beginIndexInt, &endIndexInt)) >= 0) {
|
|
||||||
MOZ_ASSERT(beginIndexInt >= 0);
|
|
||||||
MOZ_ASSERT(endIndexInt >= 0);
|
|
||||||
MOZ_ASSERT(beginIndexInt <= endIndexInt,
|
|
||||||
"field iterator returning invalid range");
|
|
||||||
|
|
||||||
size_t beginIndex(beginIndexInt);
|
|
||||||
size_t endIndex(endIndexInt);
|
|
||||||
|
|
||||||
// Technically this isn't guaranteed. But it appears true in pratice,
|
|
||||||
// and http://bugs.icu-project.org/trac/ticket/12024 is expected to
|
|
||||||
// correct the documentation lapse.
|
|
||||||
MOZ_ASSERT(lastEndIndex <= beginIndex,
|
|
||||||
"field iteration didn't return fields in order start to "
|
|
||||||
"finish as expected");
|
|
||||||
|
|
||||||
if (FieldType type = GetFieldTypeForFormatField(static_cast<UDateFormatField>(fieldInt))) {
|
|
||||||
if (lastEndIndex < beginIndex) {
|
|
||||||
if (!AppendPart(&JSAtomState::literal, lastEndIndex, beginIndex))
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!AppendPart(type, beginIndex, endIndex))
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Append any final literal.
|
|
||||||
if (lastEndIndex < overallResult->length()) {
|
|
||||||
if (!AppendPart(&JSAtomState::literal, lastEndIndex, overallResult->length()))
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
result.setObject(*partsArray);
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
bool
|
|
||||||
js::intl_FormatDateTime(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].isNumber());
|
|
||||||
MOZ_ASSERT(args[2].isBoolean());
|
|
||||||
|
|
||||||
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 = args[2].toBoolean()
|
|
||||||
? intl_FormatToPartsDateTime(cx, df, args[1].toNumber(), &result)
|
|
||||||
: intl_FormatDateTime(cx, df, args[1].toNumber(), &result);
|
|
||||||
|
|
||||||
if (!isDateTimeFormatInstance)
|
|
||||||
udat_close(df);
|
|
||||||
if (!success)
|
|
||||||
return false;
|
|
||||||
args.rval().set(result);
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**************** PluralRules *****************/
|
/**************** PluralRules *****************/
|
||||||
|
|
||||||
static void pluralRules_finalize(FreeOp* fop, JSObject* obj);
|
static void pluralRules_finalize(FreeOp* fop, JSObject* obj);
|
||||||
|
|
|
||||||
|
|
@ -35,102 +35,6 @@ InitIntlClass(JSContext* cx, HandleObject obj);
|
||||||
* The following functions are for use by self-hosted code.
|
* The following functions are for use by self-hosted code.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
|
||||||
/******************** DateTimeFormat ********************/
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns a new instance of the standard built-in DateTimeFormat constructor.
|
|
||||||
* Self-hosted code cannot cache this constructor (as it does for others in
|
|
||||||
* Utilities.js) because it is initialized after self-hosted code is compiled.
|
|
||||||
*
|
|
||||||
* Usage: dateTimeFormat = intl_DateTimeFormat(locales, options)
|
|
||||||
*/
|
|
||||||
extern MOZ_MUST_USE bool
|
|
||||||
intl_DateTimeFormat(JSContext* cx, unsigned argc, Value* vp);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns an object indicating the supported locales for date and time
|
|
||||||
* formatting by having a true-valued property for each such locale with the
|
|
||||||
* canonicalized language tag as the property name. The object has no
|
|
||||||
* prototype.
|
|
||||||
*
|
|
||||||
* Usage: availableLocales = intl_DateTimeFormat_availableLocales()
|
|
||||||
*/
|
|
||||||
extern MOZ_MUST_USE bool
|
|
||||||
intl_DateTimeFormat_availableLocales(JSContext* cx, unsigned argc, Value* vp);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns an array with the calendar type identifiers per Unicode
|
|
||||||
* Technical Standard 35, Unicode Locale Data Markup Language, for the
|
|
||||||
* supported calendars for the given locale. The default calendar is
|
|
||||||
* element 0.
|
|
||||||
*
|
|
||||||
* Usage: calendars = intl_availableCalendars(locale)
|
|
||||||
*/
|
|
||||||
extern MOZ_MUST_USE bool
|
|
||||||
intl_availableCalendars(JSContext* cx, unsigned argc, Value* vp);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* 6.4.1 IsValidTimeZoneName ( timeZone )
|
|
||||||
*
|
|
||||||
* Verifies that the given string is a valid time zone name. If it is a valid
|
|
||||||
* time zone name, its IANA time zone name is returned. Otherwise returns null.
|
|
||||||
*
|
|
||||||
* ES2017 Intl draft rev 4a23f407336d382ed5e3471200c690c9b020b5f3
|
|
||||||
*
|
|
||||||
* Usage: ianaTimeZone = intl_IsValidTimeZoneName(timeZone)
|
|
||||||
*/
|
|
||||||
extern MOZ_MUST_USE bool
|
|
||||||
intl_IsValidTimeZoneName(JSContext* cx, unsigned argc, Value* vp);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Return the canonicalized time zone name. Canonicalization resolves link
|
|
||||||
* names to their target time zones.
|
|
||||||
*
|
|
||||||
* Usage: ianaTimeZone = intl_canonicalizeTimeZone(timeZone)
|
|
||||||
*/
|
|
||||||
extern MOZ_MUST_USE bool
|
|
||||||
intl_canonicalizeTimeZone(JSContext* cx, unsigned argc, Value* vp);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Return the default time zone name. The time zone name is not canonicalized.
|
|
||||||
*
|
|
||||||
* Usage: icuDefaultTimeZone = intl_defaultTimeZone()
|
|
||||||
*/
|
|
||||||
extern MOZ_MUST_USE bool
|
|
||||||
intl_defaultTimeZone(JSContext* cx, unsigned argc, Value* vp);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Return the raw offset from GMT in milliseconds for the default time zone.
|
|
||||||
*
|
|
||||||
* Usage: defaultTimeZoneOffset = intl_defaultTimeZoneOffset()
|
|
||||||
*/
|
|
||||||
extern MOZ_MUST_USE bool
|
|
||||||
intl_defaultTimeZoneOffset(JSContext* cx, unsigned argc, Value* vp);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Return a pattern in the date-time format pattern language of Unicode
|
|
||||||
* Technical Standard 35, Unicode Locale Data Markup Language, for the
|
|
||||||
* best-fit date-time format pattern corresponding to skeleton for the
|
|
||||||
* given locale.
|
|
||||||
*
|
|
||||||
* Usage: pattern = intl_patternForSkeleton(locale, skeleton)
|
|
||||||
*/
|
|
||||||
extern MOZ_MUST_USE bool
|
|
||||||
intl_patternForSkeleton(JSContext* cx, unsigned argc, Value* vp);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns a String value representing x (which must be a Number value)
|
|
||||||
* according to the effective locale and the formatting options of the
|
|
||||||
* given DateTimeFormat.
|
|
||||||
*
|
|
||||||
* Spec: ECMAScript Internationalization API Specification, 12.3.2.
|
|
||||||
*
|
|
||||||
* Usage: formatted = intl_FormatDateTime(dateTimeFormat, x)
|
|
||||||
*/
|
|
||||||
extern MOZ_MUST_USE bool
|
|
||||||
intl_FormatDateTime(JSContext* cx, unsigned argc, Value* vp);
|
|
||||||
|
|
||||||
/******************** PluralRules ********************/
|
/******************** PluralRules ********************/
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
|
|
||||||
819
js/src/builtin/intl/DateTimeFormat.cpp
Normal file
819
js/src/builtin/intl/DateTimeFormat.cpp
Normal file
|
|
@ -0,0 +1,819 @@
|
||||||
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
||||||
|
* vim: set ts=8 sts=4 et sw=4 tw=99:
|
||||||
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
||||||
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||||
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||||
|
|
||||||
|
/* Intl.DateTimeFormat implementation. */
|
||||||
|
|
||||||
|
#include "builtin/intl/DateTimeFormat.h"
|
||||||
|
|
||||||
|
#include "mozilla/Assertions.h"
|
||||||
|
#include "mozilla/Range.h"
|
||||||
|
|
||||||
|
#include "jscntxt.h"
|
||||||
|
#include "jsfriendapi.h"
|
||||||
|
|
||||||
|
#include "builtin/intl/CommonFunctions.h"
|
||||||
|
#include "builtin/intl/ICUHeader.h"
|
||||||
|
#include "builtin/intl/ScopedICUObject.h"
|
||||||
|
#include "builtin/intl/SharedIntlData.h"
|
||||||
|
#include "builtin/IntlTimeZoneData.h"
|
||||||
|
#include "vm/GlobalObject.h"
|
||||||
|
#include "vm/Runtime.h"
|
||||||
|
|
||||||
|
#include "jsobjinlines.h"
|
||||||
|
|
||||||
|
#include "vm/NativeObject-inl.h"
|
||||||
|
|
||||||
|
using namespace js;
|
||||||
|
|
||||||
|
using mozilla::IsFinite;
|
||||||
|
|
||||||
|
using JS::ClippedTime;
|
||||||
|
using JS::TimeClip;
|
||||||
|
|
||||||
|
using js::intl::CallICU;
|
||||||
|
using js::intl::GetAvailableLocales;
|
||||||
|
using js::intl::IcuLocale;
|
||||||
|
using js::intl::INITIAL_CHAR_BUFFER_SIZE;
|
||||||
|
using js::intl::SharedIntlData;
|
||||||
|
using js::intl::StringsAreEqual;
|
||||||
|
|
||||||
|
/******************** DateTimeFormat ********************/
|
||||||
|
|
||||||
|
const ClassOps DateTimeFormatObject::classOps_ = {
|
||||||
|
nullptr, /* addProperty */
|
||||||
|
nullptr, /* delProperty */
|
||||||
|
nullptr, /* getProperty */
|
||||||
|
nullptr, /* setProperty */
|
||||||
|
nullptr, /* enumerate */
|
||||||
|
nullptr, /* resolve */
|
||||||
|
nullptr, /* mayResolve */
|
||||||
|
DateTimeFormatObject::finalize
|
||||||
|
};
|
||||||
|
|
||||||
|
const Class DateTimeFormatObject::class_ = {
|
||||||
|
js_Object_str,
|
||||||
|
JSCLASS_HAS_RESERVED_SLOTS(DateTimeFormatObject::SLOT_COUNT) |
|
||||||
|
JSCLASS_FOREGROUND_FINALIZE,
|
||||||
|
&DateTimeFormatObject::classOps_
|
||||||
|
};
|
||||||
|
|
||||||
|
#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),
|
||||||
|
JS_SELF_HOSTED_FN("formatToParts", "Intl_DateTimeFormat_formatToParts", 0, 0),
|
||||||
|
#if JS_HAS_TOSOURCE
|
||||||
|
JS_FN(js_toSource_str, dateTimeFormat_toSource, 0, 0),
|
||||||
|
#endif
|
||||||
|
JS_FS_END
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 12.2.1 Intl.DateTimeFormat([ locales [, options]])
|
||||||
|
*
|
||||||
|
* ES2017 Intl draft rev 94045d234762ad107a3d09bb6f7381a65f1a2f9b
|
||||||
|
*/
|
||||||
|
static bool
|
||||||
|
DateTimeFormat(JSContext* cx, const CallArgs& args, bool construct)
|
||||||
|
{
|
||||||
|
RootedObject obj(cx);
|
||||||
|
|
||||||
|
// We're following ECMA-402 1st Edition when DateTimeFormat is called
|
||||||
|
// because of backward compatibility issues.
|
||||||
|
// See https://github.com/tc39/ecma402/issues/57
|
||||||
|
if (!construct) {
|
||||||
|
// ES Intl 1st ed., 12.1.2.1 step 3
|
||||||
|
JSObject* intl = GlobalObject::getOrCreateIntlObject(cx, cx->global());
|
||||||
|
if (!intl)
|
||||||
|
return false;
|
||||||
|
RootedValue self(cx, args.thisv());
|
||||||
|
if (!self.isUndefined() && (!self.isObject() || self.toObject() != *intl)) {
|
||||||
|
// ES Intl 1st ed., 12.1.2.1 step 4
|
||||||
|
obj = ToObject(cx, self);
|
||||||
|
if (!obj)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
// ES Intl 1st ed., 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 {
|
||||||
|
// ES Intl 1st ed., 12.1.2.1 step 3.a
|
||||||
|
construct = true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (construct) {
|
||||||
|
// Step 2 (Inlined 9.1.14, OrdinaryCreateFromConstructor).
|
||||||
|
RootedObject proto(cx);
|
||||||
|
if (args.isConstructing() && !GetPrototypeFromCallableConstructor(cx, args, &proto))
|
||||||
|
return false;
|
||||||
|
|
||||||
|
if (!proto) {
|
||||||
|
proto = GlobalObject::getOrCreateDateTimeFormatPrototype(cx, cx->global());
|
||||||
|
if (!proto)
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
obj = NewObjectWithGivenProto<DateTimeFormatObject>(cx, proto);
|
||||||
|
if (!obj)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
obj->as<NativeObject>().setReservedSlot(DateTimeFormatObject::INTERNALS_SLOT, NullValue());
|
||||||
|
obj->as<NativeObject>().setReservedSlot(DateTimeFormatObject::UDATE_FORMAT_SLOT, PrivateValue(nullptr));
|
||||||
|
}
|
||||||
|
|
||||||
|
RootedValue locales(cx, args.length() > 0 ? args[0] : UndefinedValue());
|
||||||
|
RootedValue options(cx, args.length() > 1 ? args[1] : UndefinedValue());
|
||||||
|
|
||||||
|
// Step 3.
|
||||||
|
if (!intl::InitializeObject(cx, obj, cx->names().InitializeDateTimeFormat, locales, options))
|
||||||
|
return false;
|
||||||
|
|
||||||
|
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);
|
||||||
|
MOZ_ASSERT(!args.isConstructing());
|
||||||
|
// 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);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
js::DateTimeFormatObject::finalize(FreeOp* fop, JSObject* obj)
|
||||||
|
{
|
||||||
|
MOZ_ASSERT(fop->onMainThread());
|
||||||
|
|
||||||
|
// 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<DateTimeFormatObject>().getReservedSlot(DateTimeFormatObject::UDATE_FORMAT_SLOT);
|
||||||
|
if (!slot.isUndefined()) {
|
||||||
|
if (UDateFormat* df = static_cast<UDateFormat*>(slot.toPrivate()))
|
||||||
|
udat_close(df);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
JSObject*
|
||||||
|
js::CreateDateTimeFormatPrototype(JSContext* cx, HandleObject Intl, Handle<GlobalObject*> global)
|
||||||
|
{
|
||||||
|
RootedFunction ctor(cx);
|
||||||
|
ctor = GlobalObject::createConstructor(cx, &DateTimeFormat, cx->names().DateTimeFormat, 0);
|
||||||
|
if (!ctor)
|
||||||
|
return nullptr;
|
||||||
|
|
||||||
|
RootedNativeObject proto(cx, GlobalObject::createBlankPrototype(cx, global,
|
||||||
|
&DateTimeFormatObject::class_));
|
||||||
|
if (!proto)
|
||||||
|
return nullptr;
|
||||||
|
proto->setReservedSlot(DateTimeFormatObject::UDATE_FORMAT_SLOT, PrivateValue(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 a getter for DateTimeFormat.prototype.format that returns a
|
||||||
|
// formatting function bound to a 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 (!intl::CreateDefaultOptions(cx, &options))
|
||||||
|
return nullptr;
|
||||||
|
|
||||||
|
// 12.2.1 and 12.3
|
||||||
|
if (!intl::InitializeObject(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 proto;
|
||||||
|
}
|
||||||
|
|
||||||
|
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 (!GetAvailableLocales(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 (StringsAreEqual(icuName, "ethiopic-amete-alem"))
|
||||||
|
return "ethioaa";
|
||||||
|
if (StringsAreEqual(icuName, "gregorian"))
|
||||||
|
return "gregory";
|
||||||
|
if (StringsAreEqual(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;
|
||||||
|
RootedString jscalendar(cx);
|
||||||
|
{
|
||||||
|
UCalendar* cal = ucal_open(nullptr, 0, locale.ptr(), UCAL_DEFAULT, &status);
|
||||||
|
|
||||||
|
// This correctly handles nullptr |cal| when opening failed.
|
||||||
|
ScopedICUObject<UCalendar, ucal_close> closeCalendar(cal);
|
||||||
|
|
||||||
|
const char* calendar = ucal_getType(cal, &status);
|
||||||
|
if (U_FAILURE(status)) {
|
||||||
|
intl::ReportInternalError(cx);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
jscalendar = 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)) {
|
||||||
|
intl::ReportInternalError(cx);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
ScopedICUObject<UEnumeration, uenum_close> toClose(values);
|
||||||
|
|
||||||
|
uint32_t count = uenum_count(values, &status);
|
||||||
|
if (U_FAILURE(status)) {
|
||||||
|
intl::ReportInternalError(cx);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (; count > 0; count--) {
|
||||||
|
const char* calendar = uenum_next(values, nullptr, &status);
|
||||||
|
if (U_FAILURE(status)) {
|
||||||
|
intl::ReportInternalError(cx);
|
||||||
|
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_IsValidTimeZoneName(JSContext* cx, unsigned argc, Value* vp)
|
||||||
|
{
|
||||||
|
CallArgs args = CallArgsFromVp(argc, vp);
|
||||||
|
MOZ_ASSERT(args.length() == 1);
|
||||||
|
MOZ_ASSERT(args[0].isString());
|
||||||
|
|
||||||
|
SharedIntlData& sharedIntlData = cx->sharedIntlData;
|
||||||
|
|
||||||
|
RootedString timeZone(cx, args[0].toString());
|
||||||
|
RootedString validatedTimeZone(cx);
|
||||||
|
if (!sharedIntlData.validateTimeZoneName(cx, timeZone, &validatedTimeZone))
|
||||||
|
return false;
|
||||||
|
|
||||||
|
if (validatedTimeZone)
|
||||||
|
args.rval().setString(validatedTimeZone);
|
||||||
|
else
|
||||||
|
args.rval().setNull();
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool
|
||||||
|
js::intl_canonicalizeTimeZone(JSContext* cx, unsigned argc, Value* vp)
|
||||||
|
{
|
||||||
|
CallArgs args = CallArgsFromVp(argc, vp);
|
||||||
|
MOZ_ASSERT(args.length() == 1);
|
||||||
|
MOZ_ASSERT(args[0].isString());
|
||||||
|
|
||||||
|
SharedIntlData& sharedIntlData = cx->sharedIntlData;
|
||||||
|
|
||||||
|
// Some time zone names are canonicalized differently by ICU -- handle
|
||||||
|
// those first:
|
||||||
|
RootedString timeZone(cx, args[0].toString());
|
||||||
|
RootedString ianaTimeZone(cx);
|
||||||
|
if (!sharedIntlData.tryCanonicalizeTimeZoneConsistentWithIANA(cx, timeZone, &ianaTimeZone))
|
||||||
|
return false;
|
||||||
|
|
||||||
|
if (ianaTimeZone) {
|
||||||
|
args.rval().setString(ianaTimeZone);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
AutoStableStringChars stableChars(cx);
|
||||||
|
if (!stableChars.initTwoByte(cx, timeZone))
|
||||||
|
return false;
|
||||||
|
|
||||||
|
mozilla::Range<const char16_t> tzchars = stableChars.twoByteRange();
|
||||||
|
|
||||||
|
JSString* str = CallICU(cx, [&tzchars](UChar* chars, uint32_t size, UErrorCode* status) {
|
||||||
|
return ucal_getCanonicalTimeZoneID(tzchars.begin().get(), tzchars.length(),
|
||||||
|
chars, size, nullptr, status);
|
||||||
|
});
|
||||||
|
if (!str)
|
||||||
|
return false;
|
||||||
|
args.rval().setString(str);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool
|
||||||
|
js::intl_defaultTimeZone(JSContext* cx, unsigned argc, Value* vp)
|
||||||
|
{
|
||||||
|
CallArgs args = CallArgsFromVp(argc, vp);
|
||||||
|
MOZ_ASSERT(args.length() == 0);
|
||||||
|
|
||||||
|
// 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();
|
||||||
|
|
||||||
|
JSString* str = CallICU(cx, ucal_getDefaultTimeZone);
|
||||||
|
if (!str)
|
||||||
|
return false;
|
||||||
|
args.rval().setString(str);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool
|
||||||
|
js::intl_defaultTimeZoneOffset(JSContext* cx, unsigned argc, Value* vp) {
|
||||||
|
CallArgs args = CallArgsFromVp(argc, vp);
|
||||||
|
MOZ_ASSERT(args.length() == 0);
|
||||||
|
|
||||||
|
UErrorCode status = U_ZERO_ERROR;
|
||||||
|
const UChar* uTimeZone = nullptr;
|
||||||
|
int32_t uTimeZoneLength = 0;
|
||||||
|
const char* rootLocale = "";
|
||||||
|
UCalendar* cal = ucal_open(uTimeZone, uTimeZoneLength, rootLocale, UCAL_DEFAULT, &status);
|
||||||
|
if (U_FAILURE(status)) {
|
||||||
|
intl::ReportInternalError(cx);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
ScopedICUObject<UCalendar, ucal_close> toClose(cal);
|
||||||
|
|
||||||
|
int32_t offset = ucal_get(cal, UCAL_ZONE_OFFSET, &status);
|
||||||
|
if (U_FAILURE(status)) {
|
||||||
|
intl::ReportInternalError(cx);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
args.rval().setInt32(offset);
|
||||||
|
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.begin().get()));
|
||||||
|
|
||||||
|
UErrorCode status = U_ZERO_ERROR;
|
||||||
|
UDateTimePatternGenerator* gen = udatpg_open(IcuLocale(locale.ptr()), &status);
|
||||||
|
if (U_FAILURE(status)) {
|
||||||
|
intl::ReportInternalError(cx);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
ScopedICUObject<UDateTimePatternGenerator, udatpg_close> toClose(gen);
|
||||||
|
|
||||||
|
JSString* str =
|
||||||
|
CallICU(cx, [gen, &skeletonChars, skeletonLen](UChar* chars, uint32_t size, UErrorCode* status) {
|
||||||
|
return udatpg_getBestPattern(gen, skeletonChars.begin().get(), skeletonLen,
|
||||||
|
chars, size, status);
|
||||||
|
});
|
||||||
|
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, intl::GetInternalsObject(cx, dateTimeFormat));
|
||||||
|
if (!internals)
|
||||||
|
return nullptr;
|
||||||
|
|
||||||
|
if (!GetProperty(cx, internals, internals, cx->names().locale, &value))
|
||||||
|
return nullptr;
|
||||||
|
JSAutoByteString locale(cx, value.toString());
|
||||||
|
if (!locale)
|
||||||
|
return nullptr;
|
||||||
|
|
||||||
|
// 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.
|
||||||
|
|
||||||
|
if (!GetProperty(cx, internals, internals, cx->names().timeZone, &value))
|
||||||
|
return nullptr;
|
||||||
|
|
||||||
|
AutoStableStringChars timeZoneChars(cx);
|
||||||
|
Rooted<JSFlatString*> timeZoneFlat(cx, value.toString()->ensureFlat(cx));
|
||||||
|
if (!timeZoneFlat || !timeZoneChars.initTwoByte(cx, timeZoneFlat))
|
||||||
|
return nullptr;
|
||||||
|
|
||||||
|
const UChar* uTimeZone = Char16ToUChar(timeZoneChars.twoByteRange().begin().get());
|
||||||
|
uint32_t uTimeZoneLength = u_strlen(uTimeZone);
|
||||||
|
|
||||||
|
if (!GetProperty(cx, internals, internals, cx->names().pattern, &value))
|
||||||
|
return nullptr;
|
||||||
|
|
||||||
|
AutoStableStringChars patternChars(cx);
|
||||||
|
Rooted<JSFlatString*> patternFlat(cx, value.toString()->ensureFlat(cx));
|
||||||
|
if (!patternFlat || !patternChars.initTwoByte(cx, patternFlat))
|
||||||
|
return nullptr;
|
||||||
|
|
||||||
|
const UChar* uPattern = Char16ToUChar(patternChars.twoByteRange().begin().get());
|
||||||
|
uint32_t uPatternLength = u_strlen(uPattern);
|
||||||
|
|
||||||
|
UErrorCode status = U_ZERO_ERROR;
|
||||||
|
UDateFormat* df =
|
||||||
|
udat_open(UDAT_PATTERN, UDAT_PATTERN, IcuLocale(locale.ptr()), uTimeZone, uTimeZoneLength,
|
||||||
|
uPattern, uPatternLength, &status);
|
||||||
|
if (U_FAILURE(status)) {
|
||||||
|
intl::ReportInternalError(cx);
|
||||||
|
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_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr, JSMSG_DATE_NOT_FINITE);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
JSString* str = CallICU(cx, [df, x](UChar* chars, int32_t size, UErrorCode* status) {
|
||||||
|
return udat_format(df, x, chars, size, nullptr, status);
|
||||||
|
});
|
||||||
|
if (!str)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
result.setString(str);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
using FieldType = ImmutablePropertyNamePtr JSAtomState::*;
|
||||||
|
|
||||||
|
static FieldType
|
||||||
|
GetFieldTypeForFormatField(UDateFormatField fieldName)
|
||||||
|
{
|
||||||
|
// See intl/icu/source/i18n/unicode/udat.h for a detailed field list. This
|
||||||
|
// switch is deliberately exhaustive: cases might have to be added/removed
|
||||||
|
// if this code is compiled with a different ICU with more
|
||||||
|
// UDateFormatField enum initializers. Please guard such cases with
|
||||||
|
// appropriate ICU version-testing #ifdefs, should cross-version divergence
|
||||||
|
// occur.
|
||||||
|
switch (fieldName) {
|
||||||
|
case UDAT_ERA_FIELD:
|
||||||
|
return &JSAtomState::era;
|
||||||
|
case UDAT_YEAR_FIELD:
|
||||||
|
case UDAT_YEAR_WOY_FIELD:
|
||||||
|
case UDAT_EXTENDED_YEAR_FIELD:
|
||||||
|
case UDAT_YEAR_NAME_FIELD:
|
||||||
|
return &JSAtomState::year;
|
||||||
|
|
||||||
|
case UDAT_MONTH_FIELD:
|
||||||
|
case UDAT_STANDALONE_MONTH_FIELD:
|
||||||
|
return &JSAtomState::month;
|
||||||
|
|
||||||
|
case UDAT_DATE_FIELD:
|
||||||
|
case UDAT_JULIAN_DAY_FIELD:
|
||||||
|
return &JSAtomState::day;
|
||||||
|
|
||||||
|
case UDAT_HOUR_OF_DAY1_FIELD:
|
||||||
|
case UDAT_HOUR_OF_DAY0_FIELD:
|
||||||
|
case UDAT_HOUR1_FIELD:
|
||||||
|
case UDAT_HOUR0_FIELD:
|
||||||
|
return &JSAtomState::hour;
|
||||||
|
|
||||||
|
case UDAT_MINUTE_FIELD:
|
||||||
|
return &JSAtomState::minute;
|
||||||
|
|
||||||
|
case UDAT_SECOND_FIELD:
|
||||||
|
return &JSAtomState::second;
|
||||||
|
|
||||||
|
case UDAT_DAY_OF_WEEK_FIELD:
|
||||||
|
case UDAT_STANDALONE_DAY_FIELD:
|
||||||
|
case UDAT_DOW_LOCAL_FIELD:
|
||||||
|
case UDAT_DAY_OF_WEEK_IN_MONTH_FIELD:
|
||||||
|
return &JSAtomState::weekday;
|
||||||
|
|
||||||
|
case UDAT_AM_PM_FIELD:
|
||||||
|
return &JSAtomState::dayPeriod;
|
||||||
|
|
||||||
|
case UDAT_TIMEZONE_FIELD:
|
||||||
|
return &JSAtomState::timeZoneName;
|
||||||
|
|
||||||
|
case UDAT_FRACTIONAL_SECOND_FIELD:
|
||||||
|
case UDAT_DAY_OF_YEAR_FIELD:
|
||||||
|
case UDAT_WEEK_OF_YEAR_FIELD:
|
||||||
|
case UDAT_WEEK_OF_MONTH_FIELD:
|
||||||
|
case UDAT_MILLISECONDS_IN_DAY_FIELD:
|
||||||
|
case UDAT_TIMEZONE_RFC_FIELD:
|
||||||
|
case UDAT_TIMEZONE_GENERIC_FIELD:
|
||||||
|
case UDAT_QUARTER_FIELD:
|
||||||
|
case UDAT_STANDALONE_QUARTER_FIELD:
|
||||||
|
case UDAT_TIMEZONE_SPECIAL_FIELD:
|
||||||
|
case UDAT_TIMEZONE_LOCALIZED_GMT_OFFSET_FIELD:
|
||||||
|
case UDAT_TIMEZONE_ISO_FIELD:
|
||||||
|
case UDAT_TIMEZONE_ISO_LOCAL_FIELD:
|
||||||
|
#ifndef U_HIDE_INTERNAL_API
|
||||||
|
case UDAT_RELATED_YEAR_FIELD:
|
||||||
|
#endif
|
||||||
|
#ifndef U_HIDE_DRAFT_API
|
||||||
|
case UDAT_AM_PM_MIDNIGHT_NOON_FIELD:
|
||||||
|
case UDAT_FLEXIBLE_DAY_PERIOD_FIELD:
|
||||||
|
#endif
|
||||||
|
#ifndef U_HIDE_INTERNAL_API
|
||||||
|
case UDAT_TIME_SEPARATOR_FIELD:
|
||||||
|
#endif
|
||||||
|
// These fields are all unsupported.
|
||||||
|
return nullptr;
|
||||||
|
|
||||||
|
case UDAT_FIELD_COUNT:
|
||||||
|
MOZ_ASSERT_UNREACHABLE("format field sentinel value returned by "
|
||||||
|
"iterator!");
|
||||||
|
}
|
||||||
|
|
||||||
|
MOZ_ASSERT_UNREACHABLE("unenumerated, undocumented format field returned "
|
||||||
|
"by iterator");
|
||||||
|
return nullptr;
|
||||||
|
}
|
||||||
|
|
||||||
|
static bool
|
||||||
|
intl_FormatToPartsDateTime(JSContext* cx, UDateFormat* df, double x, MutableHandleValue result)
|
||||||
|
{
|
||||||
|
if (!IsFinite(x)) {
|
||||||
|
JS_ReportErrorNumberASCII(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;
|
||||||
|
UFieldPositionIterator* fpositer = ufieldpositer_open(&status);
|
||||||
|
if (U_FAILURE(status)) {
|
||||||
|
intl::ReportInternalError(cx);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
ScopedICUObject<UFieldPositionIterator, ufieldpositer_close> toClose(fpositer);
|
||||||
|
|
||||||
|
RootedString overallResult(cx);
|
||||||
|
overallResult = CallICU(cx, [df, x, fpositer](UChar* chars, int32_t size, UErrorCode* status) {
|
||||||
|
return udat_formatForFields(df, x, chars, size, fpositer, status);
|
||||||
|
});
|
||||||
|
if (!overallResult)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
RootedArrayObject partsArray(cx, NewDenseEmptyArray(cx));
|
||||||
|
if (!partsArray)
|
||||||
|
return false;
|
||||||
|
if (overallResult->length() == 0) {
|
||||||
|
// An empty string contains no parts, so avoid extra work below.
|
||||||
|
result.setObject(*partsArray);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
size_t lastEndIndex = 0;
|
||||||
|
|
||||||
|
uint32_t partIndex = 0;
|
||||||
|
RootedObject singlePart(cx);
|
||||||
|
RootedValue partType(cx);
|
||||||
|
RootedValue val(cx);
|
||||||
|
|
||||||
|
auto AppendPart = [&](FieldType type, size_t beginIndex, size_t endIndex) {
|
||||||
|
singlePart = NewBuiltinClassInstance<PlainObject>(cx);
|
||||||
|
if (!singlePart)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
partType = StringValue(cx->names().*type);
|
||||||
|
if (!DefineProperty(cx, singlePart, cx->names().type, partType))
|
||||||
|
return false;
|
||||||
|
|
||||||
|
JSLinearString* partSubstr =
|
||||||
|
NewDependentString(cx, overallResult, beginIndex, endIndex - beginIndex);
|
||||||
|
if (!partSubstr)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
val = StringValue(partSubstr);
|
||||||
|
if (!DefineProperty(cx, singlePart, cx->names().value, val))
|
||||||
|
return false;
|
||||||
|
|
||||||
|
val = ObjectValue(*singlePart);
|
||||||
|
if (!DefineElement(cx, partsArray, partIndex, val))
|
||||||
|
return false;
|
||||||
|
|
||||||
|
lastEndIndex = endIndex;
|
||||||
|
partIndex++;
|
||||||
|
return true;
|
||||||
|
};
|
||||||
|
|
||||||
|
int32_t fieldInt, beginIndexInt, endIndexInt;
|
||||||
|
while ((fieldInt = ufieldpositer_next(fpositer, &beginIndexInt, &endIndexInt)) >= 0) {
|
||||||
|
MOZ_ASSERT(beginIndexInt >= 0);
|
||||||
|
MOZ_ASSERT(endIndexInt >= 0);
|
||||||
|
MOZ_ASSERT(beginIndexInt <= endIndexInt,
|
||||||
|
"field iterator returning invalid range");
|
||||||
|
|
||||||
|
size_t beginIndex(beginIndexInt);
|
||||||
|
size_t endIndex(endIndexInt);
|
||||||
|
|
||||||
|
// Technically this isn't guaranteed. But it appears true in pratice,
|
||||||
|
// and http://bugs.icu-project.org/trac/ticket/12024 is expected to
|
||||||
|
// correct the documentation lapse.
|
||||||
|
MOZ_ASSERT(lastEndIndex <= beginIndex,
|
||||||
|
"field iteration didn't return fields in order start to "
|
||||||
|
"finish as expected");
|
||||||
|
|
||||||
|
if (FieldType type = GetFieldTypeForFormatField(static_cast<UDateFormatField>(fieldInt))) {
|
||||||
|
if (lastEndIndex < beginIndex) {
|
||||||
|
if (!AppendPart(&JSAtomState::literal, lastEndIndex, beginIndex))
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!AppendPart(type, beginIndex, endIndex))
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Append any final literal.
|
||||||
|
if (lastEndIndex < overallResult->length()) {
|
||||||
|
if (!AppendPart(&JSAtomState::literal, lastEndIndex, overallResult->length()))
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
result.setObject(*partsArray);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool
|
||||||
|
js::intl_FormatDateTime(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].isNumber());
|
||||||
|
MOZ_ASSERT(args[2].isBoolean());
|
||||||
|
|
||||||
|
RootedObject dateTimeFormat(cx, &args[0].toObject());
|
||||||
|
|
||||||
|
// Obtain a UDateFormat object, cached if possible.
|
||||||
|
bool isDateTimeFormatInstance = dateTimeFormat->getClass() == &DateTimeFormatObject::class_;
|
||||||
|
UDateFormat* df;
|
||||||
|
if (isDateTimeFormatInstance) {
|
||||||
|
void* priv =
|
||||||
|
dateTimeFormat->as<NativeObject>().getReservedSlot(DateTimeFormatObject::UDATE_FORMAT_SLOT).toPrivate();
|
||||||
|
df = static_cast<UDateFormat*>(priv);
|
||||||
|
if (!df) {
|
||||||
|
df = NewUDateFormat(cx, dateTimeFormat);
|
||||||
|
if (!df)
|
||||||
|
return false;
|
||||||
|
dateTimeFormat->as<NativeObject>().setReservedSlot(DateTimeFormatObject::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 = args[2].toBoolean()
|
||||||
|
? intl_FormatToPartsDateTime(cx, df, args[1].toNumber(), &result)
|
||||||
|
: intl_FormatDateTime(cx, df, args[1].toNumber(), &result);
|
||||||
|
|
||||||
|
if (!isDateTimeFormatInstance)
|
||||||
|
udat_close(df);
|
||||||
|
if (!success)
|
||||||
|
return false;
|
||||||
|
args.rval().set(result);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
143
js/src/builtin/intl/DateTimeFormat.h
Normal file
143
js/src/builtin/intl/DateTimeFormat.h
Normal file
|
|
@ -0,0 +1,143 @@
|
||||||
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
||||||
|
* vim: set ts=8 sts=4 et sw=4 tw=99:
|
||||||
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
||||||
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||||
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||||
|
|
||||||
|
#ifndef builtin_intl_DateTimeFormat_h
|
||||||
|
#define builtin_intl_DateTimeFormat_h
|
||||||
|
|
||||||
|
#include "mozilla/Attributes.h"
|
||||||
|
|
||||||
|
#include "builtin/intl/CommonFunctions.h"
|
||||||
|
#include "builtin/SelfHostingDefines.h"
|
||||||
|
#include "js/Class.h"
|
||||||
|
#include "js/RootingAPI.h"
|
||||||
|
#include "vm/NativeObject.h"
|
||||||
|
|
||||||
|
namespace js {
|
||||||
|
|
||||||
|
class FreeOp;
|
||||||
|
class GlobalObject;
|
||||||
|
|
||||||
|
/******************** DateTimeFormat ********************/
|
||||||
|
|
||||||
|
class DateTimeFormatObject : public NativeObject
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
static const Class class_;
|
||||||
|
|
||||||
|
static constexpr uint32_t INTERNALS_SLOT = 0;
|
||||||
|
static constexpr uint32_t UDATE_FORMAT_SLOT = 1;
|
||||||
|
static constexpr uint32_t SLOT_COUNT = 2;
|
||||||
|
|
||||||
|
static_assert(INTERNALS_SLOT == INTL_INTERNALS_OBJECT_SLOT,
|
||||||
|
"INTERNALS_SLOT must match self-hosting define for internals object slot");
|
||||||
|
private:
|
||||||
|
static const ClassOps classOps_;
|
||||||
|
|
||||||
|
static void finalize(FreeOp* fop, JSObject* obj);
|
||||||
|
};
|
||||||
|
|
||||||
|
extern JSObject*
|
||||||
|
|
||||||
|
CreateDateTimeFormatPrototype(JSContext* cx, JS::Handle<JSObject*> Intl,
|
||||||
|
JS::Handle<GlobalObject*> global);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns a new instance of the standard built-in DateTimeFormat constructor.
|
||||||
|
* Self-hosted code cannot cache this constructor (as it does for others in
|
||||||
|
* Utilities.js) because it is initialized after self-hosted code is compiled.
|
||||||
|
*
|
||||||
|
* Usage: dateTimeFormat = intl_DateTimeFormat(locales, options)
|
||||||
|
*/
|
||||||
|
extern MOZ_MUST_USE bool
|
||||||
|
intl_DateTimeFormat(JSContext* cx, unsigned argc, Value* vp);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns an object indicating the supported locales for date and time
|
||||||
|
* formatting by having a true-valued property for each such locale with the
|
||||||
|
* canonicalized language tag as the property name. The object has no
|
||||||
|
* prototype.
|
||||||
|
*
|
||||||
|
* Usage: availableLocales = intl_DateTimeFormat_availableLocales()
|
||||||
|
*/
|
||||||
|
extern MOZ_MUST_USE bool
|
||||||
|
intl_DateTimeFormat_availableLocales(JSContext* cx, unsigned argc, Value* vp);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns an array with the calendar type identifiers per Unicode
|
||||||
|
* Technical Standard 35, Unicode Locale Data Markup Language, for the
|
||||||
|
* supported calendars for the given locale. The default calendar is
|
||||||
|
* element 0.
|
||||||
|
*
|
||||||
|
* Usage: calendars = intl_availableCalendars(locale)
|
||||||
|
*/
|
||||||
|
extern MOZ_MUST_USE bool
|
||||||
|
intl_availableCalendars(JSContext* cx, unsigned argc, Value* vp);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 6.4.1 IsValidTimeZoneName ( timeZone )
|
||||||
|
*
|
||||||
|
* Verifies that the given string is a valid time zone name. If it is a valid
|
||||||
|
* time zone name, its IANA time zone name is returned. Otherwise returns null.
|
||||||
|
*
|
||||||
|
* ES2017 Intl draft rev 4a23f407336d382ed5e3471200c690c9b020b5f3
|
||||||
|
*
|
||||||
|
* Usage: ianaTimeZone = intl_IsValidTimeZoneName(timeZone)
|
||||||
|
*/
|
||||||
|
extern MOZ_MUST_USE bool
|
||||||
|
intl_IsValidTimeZoneName(JSContext* cx, unsigned argc, Value* vp);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Return the canonicalized time zone name. Canonicalization resolves link
|
||||||
|
* names to their target time zones.
|
||||||
|
*
|
||||||
|
* Usage: ianaTimeZone = intl_canonicalizeTimeZone(timeZone)
|
||||||
|
*/
|
||||||
|
extern MOZ_MUST_USE bool
|
||||||
|
intl_canonicalizeTimeZone(JSContext* cx, unsigned argc, Value* vp);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Return the default time zone name. The time zone name is not canonicalized.
|
||||||
|
*
|
||||||
|
* Usage: icuDefaultTimeZone = intl_defaultTimeZone()
|
||||||
|
*/
|
||||||
|
extern MOZ_MUST_USE bool
|
||||||
|
intl_defaultTimeZone(JSContext* cx, unsigned argc, Value* vp);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Return the raw offset from GMT in milliseconds for the default time zone.
|
||||||
|
*
|
||||||
|
* Usage: defaultTimeZoneOffset = intl_defaultTimeZoneOffset()
|
||||||
|
*/
|
||||||
|
extern MOZ_MUST_USE bool
|
||||||
|
intl_defaultTimeZoneOffset(JSContext* cx, unsigned argc, Value* vp);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Return a pattern in the date-time format pattern language of Unicode
|
||||||
|
* Technical Standard 35, Unicode Locale Data Markup Language, for the
|
||||||
|
* best-fit date-time format pattern corresponding to skeleton for the
|
||||||
|
* given locale.
|
||||||
|
*
|
||||||
|
* Usage: pattern = intl_patternForSkeleton(locale, skeleton)
|
||||||
|
*/
|
||||||
|
extern MOZ_MUST_USE bool
|
||||||
|
intl_patternForSkeleton(JSContext* cx, unsigned argc, Value* vp);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns a String value representing x (which must be a Number value)
|
||||||
|
* according to the effective locale and the formatting options of the
|
||||||
|
* given DateTimeFormat.
|
||||||
|
*
|
||||||
|
* Spec: ECMAScript Internationalization API Specification, 12.3.2.
|
||||||
|
*
|
||||||
|
* Usage: formatted = intl_FormatDateTime(dateTimeFormat, x)
|
||||||
|
*/
|
||||||
|
extern MOZ_MUST_USE bool
|
||||||
|
intl_FormatDateTime(JSContext* cx, unsigned argc, Value* vp);
|
||||||
|
|
||||||
|
|
||||||
|
} // namespace js
|
||||||
|
|
||||||
|
#endif /* builtin_intl_DateTimeFormat_h */
|
||||||
|
|
@ -117,6 +117,7 @@ UNIFIED_SOURCES += [
|
||||||
'builtin/Intl.cpp',
|
'builtin/Intl.cpp',
|
||||||
'builtin/intl/Collator.cpp',
|
'builtin/intl/Collator.cpp',
|
||||||
'builtin/intl/CommonFunctions.cpp',
|
'builtin/intl/CommonFunctions.cpp',
|
||||||
|
'builtin/intl/DateTimeFormat.cpp',
|
||||||
'builtin/intl/NumberFormat.cpp',
|
'builtin/intl/NumberFormat.cpp',
|
||||||
'builtin/intl/SharedIntlData.cpp',
|
'builtin/intl/SharedIntlData.cpp',
|
||||||
'builtin/MapObject.cpp',
|
'builtin/MapObject.cpp',
|
||||||
|
|
|
||||||
|
|
@ -24,6 +24,7 @@
|
||||||
|
|
||||||
#include "builtin/Intl.h"
|
#include "builtin/Intl.h"
|
||||||
#include "builtin/intl/Collator.h"
|
#include "builtin/intl/Collator.h"
|
||||||
|
#include "builtin/intl/DateTimeFormat.h"
|
||||||
#include "builtin/intl/NumberFormat.h"
|
#include "builtin/intl/NumberFormat.h"
|
||||||
#include "builtin/MapObject.h"
|
#include "builtin/MapObject.h"
|
||||||
#include "builtin/ModuleObject.h"
|
#include "builtin/ModuleObject.h"
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue