mirror of
https://github.com/mozilla/gecko-dev.git
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d55b448a0c
We were copying the string in C++, then again in Rust... Differential Revision: https://phabricator.services.mozilla.com/D73034
337 lines
12 KiB
C++
337 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#include "FluentBundle.h"
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#include "nsContentUtils.h"
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#include "mozilla/dom/UnionTypes.h"
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#include "nsStringFwd.h"
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#include "nsTArray.h"
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#include "unicode/numberformatter.h"
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#include "unicode/datefmt.h"
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using namespace mozilla::dom;
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namespace mozilla {
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namespace intl {
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FluentPattern, mParent)
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(FluentPattern, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(FluentPattern, Release)
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FluentPattern::FluentPattern(nsISupports* aParent, const nsACString& aId)
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: mId(aId), mParent(aParent) {
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MOZ_COUNT_CTOR(FluentPattern);
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}
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FluentPattern::FluentPattern(nsISupports* aParent, const nsACString& aId,
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const nsACString& aAttrName)
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: mId(aId), mAttrName(aAttrName), mParent(aParent) {
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MOZ_COUNT_CTOR(FluentPattern);
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}
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JSObject* FluentPattern::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return FluentPattern_Binding::Wrap(aCx, this, aGivenProto);
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}
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FluentPattern::~FluentPattern() { MOZ_COUNT_DTOR(FluentPattern); };
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/* FluentBundle */
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FluentBundle, mParent)
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(FluentBundle, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(FluentBundle, Release)
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FluentBundle::FluentBundle(nsISupports* aParent,
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UniquePtr<ffi::FluentBundleRc> aRaw)
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: mParent(aParent), mRaw(std::move(aRaw)) {
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MOZ_COUNT_CTOR(FluentBundle);
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}
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already_AddRefed<FluentBundle> FluentBundle::Constructor(
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const dom::GlobalObject& aGlobal,
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const UTF8StringOrUTF8StringSequence& aLocales,
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const dom::FluentBundleOptions& aOptions, ErrorResult& aRv) {
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
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if (!global) {
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aRv.Throw(NS_ERROR_FAILURE);
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return nullptr;
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}
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bool useIsolating = aOptions.mUseIsolating;
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nsAutoCString pseudoStrategy;
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if (aOptions.mPseudoStrategy.WasPassed()) {
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pseudoStrategy = aOptions.mPseudoStrategy.Value();
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}
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UniquePtr<ffi::FluentBundleRc> raw;
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if (aLocales.IsUTF8String()) {
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const nsACString& locale = aLocales.GetAsUTF8String();
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raw.reset(
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ffi::fluent_bundle_new_single(&locale, useIsolating, &pseudoStrategy));
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} else {
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const auto& locales = aLocales.GetAsUTF8StringSequence();
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raw.reset(ffi::fluent_bundle_new(locales.Elements(), locales.Length(),
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useIsolating, &pseudoStrategy));
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}
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if (!raw) {
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aRv.ThrowInvalidStateError(
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"Failed to create the FluentBundle. Check the "
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"locales and pseudo strategy arguments.");
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return nullptr;
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}
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return do_AddRef(new FluentBundle(global, std::move(raw)));
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}
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JSObject* FluentBundle::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return FluentBundle_Binding::Wrap(aCx, this, aGivenProto);
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}
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FluentBundle::~FluentBundle() { MOZ_COUNT_DTOR(FluentBundle); };
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void FluentBundle::GetLocales(nsTArray<nsCString>& aLocales) {
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fluent_bundle_get_locales(mRaw.get(), &aLocales);
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}
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void FluentBundle::AddResource(
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FluentResource& aResource,
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const dom::FluentBundleAddResourceOptions& aOptions) {
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bool allowOverrides = aOptions.mAllowOverrides;
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nsTArray<nsCString> errors;
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fluent_bundle_add_resource(mRaw.get(), aResource.Raw(), allowOverrides,
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&errors);
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for (auto& err : errors) {
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nsContentUtils::LogSimpleConsoleError(NS_ConvertUTF8toUTF16(err), "L10n",
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false, true,
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nsIScriptError::warningFlag);
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}
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}
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bool FluentBundle::HasMessage(const nsACString& aId) {
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return fluent_bundle_has_message(mRaw.get(), &aId);
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}
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void FluentBundle::GetMessage(const nsACString& aId,
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Nullable<FluentMessage>& aRetVal) {
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bool hasValue = false;
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nsTArray<nsCString> attributes;
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bool exists =
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fluent_bundle_get_message(mRaw.get(), &aId, &hasValue, &attributes);
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if (exists) {
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FluentMessage& msg = aRetVal.SetValue();
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if (hasValue) {
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msg.mValue = new FluentPattern(mParent, aId);
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}
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for (auto& name : attributes) {
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auto newEntry = msg.mAttributes.Entries().AppendElement(fallible);
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newEntry->mKey = name;
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newEntry->mValue = new FluentPattern(mParent, aId, name);
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}
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}
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}
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bool extendJSArrayWithErrors(JSContext* aCx, JS::Handle<JSObject*> aErrors,
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nsTArray<nsCString>& aInput) {
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uint32_t length;
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if (NS_WARN_IF(!JS::GetArrayLength(aCx, aErrors, &length))) {
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return false;
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}
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for (auto& err : aInput) {
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JS::Rooted<JS::Value> jsval(aCx);
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if (!ToJSValue(aCx, NS_ConvertUTF8toUTF16(err), &jsval)) {
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return false;
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}
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if (!JS_DefineElement(aCx, aErrors, length++, jsval, JSPROP_ENUMERATE)) {
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return false;
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}
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}
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return true;
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}
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void FluentBundle::FormatPattern(JSContext* aCx, const FluentPattern& aPattern,
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const Nullable<L10nArgs>& aArgs,
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const Optional<JS::Handle<JSObject*>>& aErrors,
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nsACString& aRetVal, ErrorResult& aRv) {
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nsTArray<nsCString> argIds;
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nsTArray<ffi::FluentArgument> argValues;
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if (!aArgs.IsNull()) {
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const L10nArgs& args = aArgs.Value();
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for (auto& entry : args.Entries()) {
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if (!entry.mValue.IsNull()) {
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argIds.AppendElement(entry.mKey);
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auto& value = entry.mValue.Value();
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if (value.IsUTF8String()) {
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argValues.AppendElement(
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ffi::FluentArgument::String(&value.GetAsUTF8String()));
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} else {
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argValues.AppendElement(
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ffi::FluentArgument::Double_(value.GetAsDouble()));
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}
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}
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}
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}
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nsTArray<nsCString> errors;
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bool succeeded = fluent_bundle_format_pattern(mRaw.get(), &aPattern.mId,
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&aPattern.mAttrName, &argIds,
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&argValues, &aRetVal, &errors);
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if (!succeeded) {
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return aRv.ThrowInvalidStateError(
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"Failed to format the FluentPattern. Likely the "
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"pattern could not be retrieved from the bundle.");
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}
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if (aErrors.WasPassed()) {
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if (!extendJSArrayWithErrors(aCx, aErrors.Value(), errors)) {
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aRv.ThrowUnknownError("Failed to add errors to an error array.");
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}
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}
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}
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// FFI
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extern "C" {
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ffi::RawNumberFormatter* FluentBuiltInNumberFormatterCreate(
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const nsCString* aLocale, const ffi::FluentNumberOptionsRaw* aOptions) {
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auto grouping = aOptions->use_grouping
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? UNumberGroupingStrategy::UNUM_GROUPING_AUTO
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: UNumberGroupingStrategy::UNUM_GROUPING_OFF;
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auto formatter =
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icu::number::NumberFormatter::with().grouping(grouping).integerWidth(
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icu::number::IntegerWidth::zeroFillTo(
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aOptions->minimum_integer_digits));
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// JS uses ROUND_HALFUP strategy, ICU by default uses ROUND_HALFEVEN.
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// See: http://userguide.icu-project.org/formatparse/numbers/rounding-modes
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formatter = formatter.roundingMode(UNUM_ROUND_HALFUP);
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if (aOptions->style == ffi::FluentNumberStyleRaw::Currency) {
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UErrorCode ec = U_ZERO_ERROR;
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formatter = formatter.unit(icu::CurrencyUnit(aOptions->currency.get(), ec));
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MOZ_ASSERT(U_SUCCESS(ec), "Failed to format the currency unit.");
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}
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if (aOptions->style == ffi::FluentNumberStyleRaw::Percent) {
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formatter = formatter.unit(icu::NoUnit::percent());
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}
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if (aOptions->minimum_significant_digits >= 0 ||
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aOptions->maximum_significant_digits >= 0) {
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auto precision = icu::number::Precision::minMaxSignificantDigits(
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aOptions->minimum_significant_digits,
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aOptions->maximum_significant_digits)
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.minMaxFraction(aOptions->minimum_fraction_digits,
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aOptions->maximum_fraction_digits);
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formatter = formatter.precision(precision);
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} else {
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auto precision = icu::number::Precision::minMaxFraction(
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aOptions->minimum_fraction_digits, aOptions->maximum_fraction_digits);
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formatter = formatter.precision(precision);
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}
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return reinterpret_cast<ffi::RawNumberFormatter*>(
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formatter.locale(aLocale->get()).clone().orphan());
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}
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uint8_t* FluentBuiltInNumberFormatterFormat(
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const ffi::RawNumberFormatter* aFormatter, double input,
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uint32_t* aOutCount) {
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auto formatter =
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reinterpret_cast<const icu::number::LocalizedNumberFormatter*>(
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aFormatter);
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UErrorCode ec = U_ZERO_ERROR;
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icu::number::FormattedNumber result = formatter->formatDouble(input, ec);
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icu::UnicodeString str = result.toTempString(ec);
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return reinterpret_cast<uint8_t*>(ToNewUTF8String(
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nsDependentSubstring(str.getBuffer(), str.length()), aOutCount));
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}
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void FluentBuiltInNumberFormatterDestroy(ffi::RawNumberFormatter* aFormatter) {
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delete reinterpret_cast<icu::number::LocalizedNumberFormatter*>(aFormatter);
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}
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/* DateTime */
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static icu::DateFormat::EStyle GetICUStyle(ffi::FluentDateTimeStyle aStyle) {
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switch (aStyle) {
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case ffi::FluentDateTimeStyle::Full:
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return icu::DateFormat::FULL;
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case ffi::FluentDateTimeStyle::Long:
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return icu::DateFormat::LONG;
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case ffi::FluentDateTimeStyle::Medium:
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return icu::DateFormat::MEDIUM;
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case ffi::FluentDateTimeStyle::Short:
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return icu::DateFormat::SHORT;
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case ffi::FluentDateTimeStyle::None:
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return icu::DateFormat::NONE;
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default:
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MOZ_ASSERT_UNREACHABLE("Unsupported date time style.");
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return icu::DateFormat::NONE;
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}
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}
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ffi::RawDateTimeFormatter* FluentBuiltInDateTimeFormatterCreate(
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const nsCString* aLocale, const ffi::FluentDateTimeOptionsRaw* aOptions) {
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icu::DateFormat* dtmf = nullptr;
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if (aOptions->date_style != ffi::FluentDateTimeStyle::None &&
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aOptions->time_style != ffi::FluentDateTimeStyle::None) {
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dtmf = icu::DateFormat::createDateTimeInstance(
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GetICUStyle(aOptions->date_style), GetICUStyle(aOptions->time_style),
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aLocale->get());
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} else if (aOptions->date_style != ffi::FluentDateTimeStyle::None) {
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dtmf = icu::DateFormat::createDateInstance(
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GetICUStyle(aOptions->date_style), aLocale->get());
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} else if (aOptions->time_style != ffi::FluentDateTimeStyle::None) {
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dtmf = icu::DateFormat::createTimeInstance(
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GetICUStyle(aOptions->time_style), aLocale->get());
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} else {
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if (aOptions->skeleton.IsEmpty()) {
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dtmf = icu::DateFormat::createDateTimeInstance(
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icu::DateFormat::DEFAULT, icu::DateFormat::DEFAULT, aLocale->get());
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} else {
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UErrorCode status = U_ZERO_ERROR;
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dtmf = icu::DateFormat::createInstanceForSkeleton(
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aOptions->skeleton.get(), aLocale->get(), status);
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}
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}
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MOZ_RELEASE_ASSERT(dtmf, "Failed to create a format for the skeleton.");
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return reinterpret_cast<ffi::RawDateTimeFormatter*>(dtmf);
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}
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uint8_t* FluentBuiltInDateTimeFormatterFormat(
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const ffi::RawDateTimeFormatter* aFormatter, double input,
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uint32_t* aOutCount) {
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auto formatter = reinterpret_cast<const icu::DateFormat*>(aFormatter);
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UDate myDate = input;
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icu::UnicodeString str;
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formatter->format(myDate, str);
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return reinterpret_cast<uint8_t*>(ToNewUTF8String(
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nsDependentSubstring(str.getBuffer(), str.length()), aOutCount));
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}
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void FluentBuiltInDateTimeFormatterDestroy(
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ffi::RawDateTimeFormatter* aFormatter) {
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delete reinterpret_cast<icu::DateFormat*>(aFormatter);
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}
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}
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} // namespace intl
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} // namespace mozilla
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