intl/l10n/FluentResource.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "nsContentUtils.h"
   8 #include "FluentResource.h"
   9
  10 using namespace mozilla::dom;
  11
  12 namespace mozilla {
  13 namespace intl {
  14
  15 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FluentResource, mParent)
  16
  17 FluentResource::FluentResource(nsISupports* aParent,
  18                                const ffi::FluentResource* aRaw)
  19     : mParent(aParent), mRaw(std::move(aRaw)), mHasErrors(false) {}
  20
  21 FluentResource::FluentResource(nsISupports* aParent, const nsACString& aSource)
  22     : mParent(aParent), mHasErrors(false) {
  23   mRaw = dont_AddRef(ffi::fluent_resource_new(&aSource, &mHasErrors));
  24 }
  25
  26 already_AddRefed<FluentResource> FluentResource::Constructor(
  27     const GlobalObject& aGlobal, const nsACString& aSource) {
  28   RefPtr<FluentResource> res =
  29       new FluentResource(aGlobal.GetAsSupports(), aSource);
  30
  31   if (res->mHasErrors) {
  32     nsContentUtils::LogSimpleConsoleError(
  33         u"Errors encountered while parsing Fluent Resource."_ns, "chrome"_ns,
  34         false, true /* from chrome context*/);
  35   }
  36   return res.forget();
  37 }
  38
  39 void FluentResource::TextElements(
  40     nsTArray<dom::FluentTextElementItem>& aElements, ErrorResult& aRv) {
  41   if (mHasErrors) {
  42     aRv.ThrowInvalidStateError("textElements don't exist due to parse error");
  43     return;
  44   }
  45
  46   nsTArray<ffi::TextElementInfo> elements;
  47   ffi::fluent_resource_get_text_elements(mRaw, &elements);
  48
  49   auto maybeAssign = [](dom::Optional<nsCString>& aDest, nsCString&& aSrc) {
  50     if (!aSrc.IsEmpty()) {
  51       aDest.Construct() = std::move(aSrc);
  52     }
  53   };
  54
  55   for (auto& info : elements) {
  56     dom::FluentTextElementItem item;
  57     maybeAssign(item.mId, std::move(info.id));
  58     maybeAssign(item.mAttr, std::move(info.attr));
  59     maybeAssign(item.mText, std::move(info.text));
  60
  61     aElements.AppendElement(item);
  62   }
  63 }
  64
  65 JSObject* FluentResource::WrapObject(JSContext* aCx,
  66                                      JS::Handle<JSObject*> aGivenProto) {
  67   return FluentResource_Binding::Wrap(aCx, this, aGivenProto);
  68 }
  69
  70 }  // namespace intl
  71 }  // namespace mozilla