Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 506 insertions, 0 deletions

diff --git a/intl/l10n/FluentBundle.cpp b/intl/l10n/FluentBundle.cpp
new file mode 100644
index 0000000000..a20fca5564
--- /dev/null
+++ b/intl/l10n/FluentBundle.cpp
@@ -0,0 +1,506 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#include "FluentBundle.h"
+#include "nsContentUtils.h"
+#include "mozilla/dom/ToJSValue.h"
+#include "mozilla/dom/UnionTypes.h"
+#include "mozilla/intl/NumberFormat.h"
+#include "mozilla/intl/DateTimeFormat.h"
+#include "mozilla/intl/DateTimePatternGenerator.h"
+#include "nsIInputStream.h"
+#include "nsStringFwd.h"
+#include "nsTArray.h"
+#include "js/PropertyAndElement.h"  // JS_DefineElement
+
+using namespace mozilla::dom;
+
+namespace mozilla {
+namespace intl {
+
+class SizeableUTF8Buffer {
+ public:
+  using CharType = char;
+
+  bool reserve(size_t size) {
+    mBuffer.reset(reinterpret_cast<CharType*>(malloc(size)));
+    mCapacity = size;
+    return true;
+  }
+
+  CharType* data() { return mBuffer.get(); }
+
+  size_t capacity() const { return mCapacity; }
+
+  void written(size_t amount) { mWritten = amount; }
+
+  size_t mWritten = 0;
+  size_t mCapacity = 0;
+
+  struct FreePolicy {
+    void operator()(const void* ptr) { free(const_cast<void*>(ptr)); }
+  };
+
+  UniquePtr<CharType[], FreePolicy> mBuffer;
+};
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FluentPattern, mParent)
+
+FluentPattern::FluentPattern(nsISupports* aParent, const nsACString& aId)
+    : mId(aId), mParent(aParent) {
+  MOZ_COUNT_CTOR(FluentPattern);
+}
+FluentPattern::FluentPattern(nsISupports* aParent, const nsACString& aId,
+                             const nsACString& aAttrName)
+    : mId(aId), mAttrName(aAttrName), mParent(aParent) {
+  MOZ_COUNT_CTOR(FluentPattern);
+}
+
+JSObject* FluentPattern::WrapObject(JSContext* aCx,
+                                    JS::Handle<JSObject*> aGivenProto) {
+  return FluentPattern_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+FluentPattern::~FluentPattern() { MOZ_COUNT_DTOR(FluentPattern); };
+
+/* FluentBundle */
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FluentBundle, mParent)
+
+FluentBundle::FluentBundle(nsISupports* aParent,
+                           UniquePtr<ffi::FluentBundleRc> aRaw)
+    : mParent(aParent), mRaw(std::move(aRaw)) {
+  MOZ_COUNT_CTOR(FluentBundle);
+}
+
+already_AddRefed<FluentBundle> FluentBundle::Constructor(
+    const dom::GlobalObject& aGlobal,
+    const UTF8StringOrUTF8StringSequence& aLocales,
+    const dom::FluentBundleOptions& aOptions, ErrorResult& aRv) {
+  nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
+  if (!global) {
+    aRv.Throw(NS_ERROR_FAILURE);
+    return nullptr;
+  }
+
+  bool useIsolating = aOptions.mUseIsolating;
+
+  nsAutoCString pseudoStrategy;
+  if (aOptions.mPseudoStrategy.WasPassed()) {
+    pseudoStrategy = aOptions.mPseudoStrategy.Value();
+  }
+
+  UniquePtr<ffi::FluentBundleRc> raw;
+
+  if (aLocales.IsUTF8String()) {
+    const nsACString& locale = aLocales.GetAsUTF8String();
+    raw.reset(
+        ffi::fluent_bundle_new_single(&locale, useIsolating, &pseudoStrategy));
+  } else {
+    const auto& locales = aLocales.GetAsUTF8StringSequence();
+    raw.reset(ffi::fluent_bundle_new(locales.Elements(), locales.Length(),
+                                     useIsolating, &pseudoStrategy));
+  }
+
+  if (!raw) {
+    aRv.ThrowInvalidStateError(
+        "Failed to create the FluentBundle. Check the "
+        "locales and pseudo strategy arguments.");
+    return nullptr;
+  }
+
+  return do_AddRef(new FluentBundle(global, std::move(raw)));
+}
+
+JSObject* FluentBundle::WrapObject(JSContext* aCx,
+                                   JS::Handle<JSObject*> aGivenProto) {
+  return FluentBundle_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+FluentBundle::~FluentBundle() { MOZ_COUNT_DTOR(FluentBundle); };
+
+void FluentBundle::GetLocales(nsTArray<nsCString>& aLocales) {
+  fluent_bundle_get_locales(mRaw.get(), &aLocales);
+}
+
+void FluentBundle::AddResource(
+    FluentResource& aResource,
+    const dom::FluentBundleAddResourceOptions& aOptions) {
+  bool allowOverrides = aOptions.mAllowOverrides;
+  nsTArray<nsCString> errors;
+
+  fluent_bundle_add_resource(mRaw.get(), aResource.Raw(), allowOverrides,
+                             &errors);
+
+  for (auto& err : errors) {
+    nsContentUtils::LogSimpleConsoleError(NS_ConvertUTF8toUTF16(err), "L10n"_ns,
+                                          false, true,
+                                          nsIScriptError::warningFlag);
+  }
+}
+
+bool FluentBundle::HasMessage(const nsACString& aId) {
+  return fluent_bundle_has_message(mRaw.get(), &aId);
+}
+
+void FluentBundle::GetMessage(const nsACString& aId,
+                              Nullable<FluentMessage>& aRetVal) {
+  bool hasValue = false;
+  nsTArray<nsCString> attributes;
+  bool exists =
+      fluent_bundle_get_message(mRaw.get(), &aId, &hasValue, &attributes);
+  if (exists) {
+    FluentMessage& msg = aRetVal.SetValue();
+    if (hasValue) {
+      msg.mValue = new FluentPattern(mParent, aId);
+    }
+    for (auto& name : attributes) {
+      auto newEntry = msg.mAttributes.Entries().AppendElement(fallible);
+      newEntry->mKey = name;
+      newEntry->mValue = new FluentPattern(mParent, aId, name);
+    }
+  }
+}
+
+bool extendJSArrayWithErrors(JSContext* aCx, JS::Handle<JSObject*> aErrors,
+                             nsTArray<nsCString>& aInput) {
+  uint32_t length;
+  if (NS_WARN_IF(!JS::GetArrayLength(aCx, aErrors, &length))) {
+    return false;
+  }
+
+  for (auto& err : aInput) {
+    JS::Rooted<JS::Value> jsval(aCx);
+    if (!ToJSValue(aCx, NS_ConvertUTF8toUTF16(err), &jsval)) {
+      return false;
+    }
+    if (!JS_DefineElement(aCx, aErrors, length++, jsval, JSPROP_ENUMERATE)) {
+      return false;
+    }
+  }
+  return true;
+}
+
+/* static */
+void FluentBundle::ConvertArgs(const L10nArgs& aArgs,
+                               nsTArray<ffi::L10nArg>& aRetVal) {
+  aRetVal.SetCapacity(aArgs.Entries().Length());
+  for (const auto& entry : aArgs.Entries()) {
+    if (!entry.mValue.IsNull()) {
+      const auto& value = entry.mValue.Value();
+
+      if (value.IsUTF8String()) {
+        aRetVal.AppendElement(ffi::L10nArg{
+            &entry.mKey,
+            ffi::FluentArgument::String(&value.GetAsUTF8String())});
+      } else {
+        aRetVal.AppendElement(ffi::L10nArg{
+            &entry.mKey, ffi::FluentArgument::Double_(value.GetAsDouble())});
+      }
+    }
+  }
+}
+
+void FluentBundle::FormatPattern(JSContext* aCx, const FluentPattern& aPattern,
+                                 const Nullable<L10nArgs>& aArgs,
+                                 const Optional<JS::Handle<JSObject*>>& aErrors,
+                                 nsACString& aRetVal, ErrorResult& aRv) {
+  nsTArray<ffi::L10nArg> l10nArgs;
+
+  if (!aArgs.IsNull()) {
+    const L10nArgs& args = aArgs.Value();
+    ConvertArgs(args, l10nArgs);
+  }
+
+  nsTArray<nsCString> errors;
+  bool succeeded = fluent_bundle_format_pattern(mRaw.get(), &aPattern.mId,
+                                                &aPattern.mAttrName, &l10nArgs,
+                                                &aRetVal, &errors);
+
+  if (!succeeded) {
+    return aRv.ThrowInvalidStateError(
+        "Failed to format the FluentPattern. Likely the "
+        "pattern could not be retrieved from the bundle.");
+  }
+
+  if (aErrors.WasPassed()) {
+    if (!extendJSArrayWithErrors(aCx, aErrors.Value(), errors)) {
+      aRv.ThrowUnknownError("Failed to add errors to an error array.");
+    }
+  }
+}
+
+// FFI
+
+extern "C" {
+ffi::RawNumberFormatter* FluentBuiltInNumberFormatterCreate(
+    const nsCString* aLocale, const ffi::FluentNumberOptionsRaw* aOptions) {
+  NumberFormatOptions options;
+  switch (aOptions->style) {
+    case ffi::FluentNumberStyleRaw::Decimal:
+      break;
+    case ffi::FluentNumberStyleRaw::Currency: {
+      std::string currency = aOptions->currency.get();
+      switch (aOptions->currency_display) {
+        case ffi::FluentNumberCurrencyDisplayStyleRaw::Symbol:
+          options.mCurrency = Some(std::make_pair(
+              currency, NumberFormatOptions::CurrencyDisplay::Symbol));
+          break;
+        case ffi::FluentNumberCurrencyDisplayStyleRaw::Code:
+          options.mCurrency = Some(std::make_pair(
+              currency, NumberFormatOptions::CurrencyDisplay::Code));
+          break;
+        case ffi::FluentNumberCurrencyDisplayStyleRaw::Name:
+          options.mCurrency = Some(std::make_pair(
+              currency, NumberFormatOptions::CurrencyDisplay::Name));
+          break;
+        default:
+          MOZ_ASSERT_UNREACHABLE();
+          break;
+      }
+    } break;
+    case ffi::FluentNumberStyleRaw::Percent:
+      options.mPercent = true;
+      break;
+    default:
+      MOZ_ASSERT_UNREACHABLE();
+      break;
+  }
+
+  options.mGrouping = aOptions->use_grouping
+                          ? NumberFormatOptions::Grouping::Auto
+                          : NumberFormatOptions::Grouping::Never;
+  options.mMinIntegerDigits = Some(aOptions->minimum_integer_digits);
+
+  if (aOptions->minimum_significant_digits >= 0 ||
+      aOptions->maximum_significant_digits >= 0) {
+    options.mSignificantDigits =
+        Some(std::make_pair(aOptions->minimum_significant_digits,
+                            aOptions->maximum_significant_digits));
+  } else {
+    options.mFractionDigits = Some(std::make_pair(
+        aOptions->minimum_fraction_digits, aOptions->maximum_fraction_digits));
+  }
+
+  Result<UniquePtr<NumberFormat>, ICUError> result =
+      NumberFormat::TryCreate(aLocale->get(), options);
+
+  MOZ_ASSERT(result.isOk());
+
+  if (result.isOk()) {
+    return reinterpret_cast<ffi::RawNumberFormatter*>(
+        result.unwrap().release());
+  }
+
+  return nullptr;
+}
+
+uint8_t* FluentBuiltInNumberFormatterFormat(
+    const ffi::RawNumberFormatter* aFormatter, double input, size_t* aOutCount,
+    size_t* aOutCapacity) {
+  const NumberFormat* nf = reinterpret_cast<const NumberFormat*>(aFormatter);
+
+  SizeableUTF8Buffer buffer;
+  if (nf->format(input, buffer).isOk()) {
+    *aOutCount = buffer.mWritten;
+    *aOutCapacity = buffer.mCapacity;
+    return reinterpret_cast<uint8_t*>(buffer.mBuffer.release());
+  }
+
+  return nullptr;
+}
+
+void FluentBuiltInNumberFormatterDestroy(ffi::RawNumberFormatter* aFormatter) {
+  delete reinterpret_cast<NumberFormat*>(aFormatter);
+}
+
+/* DateTime */
+
+static Maybe<DateTimeFormat::Style> GetStyle(ffi::FluentDateTimeStyle aStyle) {
+  switch (aStyle) {
+    case ffi::FluentDateTimeStyle::Full:
+      return Some(DateTimeFormat::Style::Full);
+    case ffi::FluentDateTimeStyle::Long:
+      return Some(DateTimeFormat::Style::Long);
+    case ffi::FluentDateTimeStyle::Medium:
+      return Some(DateTimeFormat::Style::Medium);
+    case ffi::FluentDateTimeStyle::Short:
+      return Some(DateTimeFormat::Style::Short);
+    case ffi::FluentDateTimeStyle::None:
+      return Nothing();
+  }
+  MOZ_ASSERT_UNREACHABLE();
+  return Nothing();
+}
+
+static Maybe<DateTimeFormat::Text> GetText(
+    ffi::FluentDateTimeTextComponent aText) {
+  switch (aText) {
+    case ffi::FluentDateTimeTextComponent::Long:
+      return Some(DateTimeFormat::Text::Long);
+    case ffi::FluentDateTimeTextComponent::Short:
+      return Some(DateTimeFormat::Text::Short);
+    case ffi::FluentDateTimeTextComponent::Narrow:
+      return Some(DateTimeFormat::Text::Narrow);
+    case ffi::FluentDateTimeTextComponent::None:
+      return Nothing();
+  }
+  MOZ_ASSERT_UNREACHABLE();
+  return Nothing();
+}
+
+static Maybe<DateTimeFormat::Month> GetMonth(
+    ffi::FluentDateTimeMonthComponent aMonth) {
+  switch (aMonth) {
+    case ffi::FluentDateTimeMonthComponent::Numeric:
+      return Some(DateTimeFormat::Month::Numeric);
+    case ffi::FluentDateTimeMonthComponent::TwoDigit:
+      return Some(DateTimeFormat::Month::TwoDigit);
+    case ffi::FluentDateTimeMonthComponent::Long:
+      return Some(DateTimeFormat::Month::Long);
+    case ffi::FluentDateTimeMonthComponent::Short:
+      return Some(DateTimeFormat::Month::Short);
+    case ffi::FluentDateTimeMonthComponent::Narrow:
+      return Some(DateTimeFormat::Month::Narrow);
+    case ffi::FluentDateTimeMonthComponent::None:
+      return Nothing();
+  }
+  MOZ_ASSERT_UNREACHABLE();
+  return Nothing();
+}
+
+static Maybe<DateTimeFormat::Numeric> GetNumeric(
+    ffi::FluentDateTimeNumericComponent aNumeric) {
+  switch (aNumeric) {
+    case ffi::FluentDateTimeNumericComponent::Numeric:
+      return Some(DateTimeFormat::Numeric::Numeric);
+    case ffi::FluentDateTimeNumericComponent::TwoDigit:
+      return Some(DateTimeFormat::Numeric::TwoDigit);
+    case ffi::FluentDateTimeNumericComponent::None:
+      return Nothing();
+  }
+  MOZ_ASSERT_UNREACHABLE();
+  return Nothing();
+}
+
+static Maybe<DateTimeFormat::TimeZoneName> GetTimeZoneName(
+    ffi::FluentDateTimeTimeZoneNameComponent aTimeZoneName) {
+  switch (aTimeZoneName) {
+    case ffi::FluentDateTimeTimeZoneNameComponent::Long:
+      return Some(DateTimeFormat::TimeZoneName::Long);
+    case ffi::FluentDateTimeTimeZoneNameComponent::Short:
+      return Some(DateTimeFormat::TimeZoneName::Short);
+    case ffi::FluentDateTimeTimeZoneNameComponent::None:
+      return Nothing();
+  }
+  MOZ_ASSERT_UNREACHABLE();
+  return Nothing();
+}
+
+static Maybe<DateTimeFormat::HourCycle> GetHourCycle(
+    ffi::FluentDateTimeHourCycle aHourCycle) {
+  switch (aHourCycle) {
+    case ffi::FluentDateTimeHourCycle::H24:
+      return Some(DateTimeFormat::HourCycle::H24);
+    case ffi::FluentDateTimeHourCycle::H23:
+      return Some(DateTimeFormat::HourCycle::H23);
+    case ffi::FluentDateTimeHourCycle::H12:
+      return Some(DateTimeFormat::HourCycle::H12);
+    case ffi::FluentDateTimeHourCycle::H11:
+      return Some(DateTimeFormat::HourCycle::H11);
+    case ffi::FluentDateTimeHourCycle::None:
+      return Nothing();
+  }
+  MOZ_ASSERT_UNREACHABLE();
+  return Nothing();
+}
+
+static Maybe<DateTimeFormat::ComponentsBag> GetComponentsBag(
+    ffi::FluentDateTimeOptions aOptions) {
+  if (GetStyle(aOptions.date_style) || GetStyle(aOptions.time_style)) {
+    return Nothing();
+  }
+
+  DateTimeFormat::ComponentsBag components;
+  components.era = GetText(aOptions.era);
+  components.year = GetNumeric(aOptions.year);
+  components.month = GetMonth(aOptions.month);
+  components.day = GetNumeric(aOptions.day);
+  components.weekday = GetText(aOptions.weekday);
+  components.hour = GetNumeric(aOptions.hour);
+  components.minute = GetNumeric(aOptions.minute);
+  components.second = GetNumeric(aOptions.second);
+  components.timeZoneName = GetTimeZoneName(aOptions.time_zone_name);
+  components.hourCycle = GetHourCycle(aOptions.hour_cycle);
+
+  if (!components.era && !components.year && !components.month &&
+      !components.day && !components.weekday && !components.hour &&
+      !components.minute && !components.second && !components.timeZoneName) {
+    return Nothing();
+  }
+
+  return Some(components);
+}
+
+ffi::RawDateTimeFormatter* FluentBuiltInDateTimeFormatterCreate(
+    const nsCString* aLocale, ffi::FluentDateTimeOptions aOptions) {
+  auto genResult = DateTimePatternGenerator::TryCreate(aLocale->get());
+  if (genResult.isErr()) {
+    MOZ_ASSERT_UNREACHABLE("There was an error in DateTimeFormat");
+    return nullptr;
+  }
+  UniquePtr<DateTimePatternGenerator> dateTimePatternGenerator =
+      genResult.unwrap();
+
+  if (auto components = GetComponentsBag(aOptions)) {
+    auto result = DateTimeFormat::TryCreateFromComponents(
+        Span(*aLocale), *components, dateTimePatternGenerator.get());
+    if (result.isErr()) {
+      MOZ_ASSERT_UNREACHABLE("There was an error in DateTimeFormat");
+      return nullptr;
+    }
+
+    return reinterpret_cast<ffi::RawDateTimeFormatter*>(
+        result.unwrap().release());
+  }
+
+  DateTimeFormat::StyleBag style;
+  style.date = GetStyle(aOptions.date_style);
+  style.time = GetStyle(aOptions.time_style);
+
+  auto result = DateTimeFormat::TryCreateFromStyle(
+      Span(*aLocale), style, dateTimePatternGenerator.get());
+
+  if (result.isErr()) {
+    MOZ_ASSERT_UNREACHABLE("There was an error in DateTimeFormat");
+    return nullptr;
+  }
+
+  return reinterpret_cast<ffi::RawDateTimeFormatter*>(
+      result.unwrap().release());
+}
+
+uint8_t* FluentBuiltInDateTimeFormatterFormat(
+    const ffi::RawDateTimeFormatter* aFormatter, double aUnixEpoch,
+    uint32_t* aOutCount) {
+  const auto* dtFormat = reinterpret_cast<const DateTimeFormat*>(aFormatter);
+
+  SizeableUTF8Buffer buffer;
+  dtFormat->TryFormat(aUnixEpoch, buffer).unwrap();
+
+  *aOutCount = buffer.mWritten;
+
+  return reinterpret_cast<uint8_t*>(buffer.mBuffer.release());
+}
+
+void FluentBuiltInDateTimeFormatterDestroy(
+    ffi::RawDateTimeFormatter* aFormatter) {
+  delete reinterpret_cast<const DateTimeFormat*>(aFormatter);
+}
+}
+
+}  // namespace intl
+}  // namespace mozilla