LCOV - code coverage report
Current view: top level - dom/bindings - ToJSValue.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 9 20 45.0 %
Date: 2017-07-14 16:53:18 Functions: 2 4 50.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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 file,
       5             :  * You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "mozilla/dom/ToJSValue.h"
       8             : #include "mozilla/dom/DOMException.h"
       9             : #include "mozilla/dom/Exceptions.h"
      10             : #include "mozilla/dom/Promise.h"
      11             : #include "nsAString.h"
      12             : #include "nsContentUtils.h"
      13             : #include "nsStringBuffer.h"
      14             : #include "xpcpublic.h"
      15             : 
      16             : namespace mozilla {
      17             : namespace dom {
      18             : 
      19             : bool
      20          17 : ToJSValue(JSContext* aCx, const nsAString& aArgument,
      21             :           JS::MutableHandle<JS::Value> aValue)
      22             : {
      23             :   // Make sure we're called in a compartment
      24          17 :   MOZ_ASSERT(JS::CurrentGlobalOrNull(aCx));
      25             : 
      26             : // XXXkhuey I'd love to use xpc::NonVoidStringToJsval here, but it requires
      27             :   // a non-const nsAString for silly reasons.
      28             :   nsStringBuffer* sharedBuffer;
      29          17 :   if (!XPCStringConvert::ReadableToJSVal(aCx, aArgument, &sharedBuffer,
      30             :                                          aValue)) {
      31           0 :     return false;
      32             :   }
      33             : 
      34          17 :   if (sharedBuffer) {
      35          17 :     NS_ADDREF(sharedBuffer);
      36             :   }
      37             : 
      38          17 :   return true;
      39             : }
      40             : 
      41             : 
      42             : bool
      43           0 : ToJSValue(JSContext* aCx,
      44             :           nsresult aArgument,
      45             :           JS::MutableHandle<JS::Value> aValue)
      46             : {
      47           0 :   RefPtr<Exception> exception = CreateException(aArgument);
      48           0 :   return ToJSValue(aCx, exception, aValue);
      49             : }
      50             : 
      51             : bool
      52           0 : ToJSValue(JSContext* aCx,
      53             :           ErrorResult& aArgument,
      54             :           JS::MutableHandle<JS::Value> aValue)
      55             : {
      56           0 :   MOZ_ASSERT(aArgument.Failed());
      57           0 :   MOZ_ASSERT(!aArgument.IsUncatchableException(),
      58             :              "Doesn't make sense to convert uncatchable exception to a JS value!");
      59           0 :   MOZ_ALWAYS_TRUE(aArgument.MaybeSetPendingException(aCx));
      60           0 :   MOZ_ALWAYS_TRUE(JS_GetPendingException(aCx, aValue));
      61           0 :   JS_ClearPendingException(aCx);
      62           0 :   return true;
      63             : }
      64             : 
      65             : bool
      66           1 : ToJSValue(JSContext* aCx, Promise& aArgument,
      67             :           JS::MutableHandle<JS::Value> aValue)
      68             : {
      69           1 :   aValue.setObject(*aArgument.PromiseObj());
      70           1 :   return MaybeWrapObjectValue(aCx, aValue);
      71             : }
      72             : 
      73             : } // namespace dom
      74             : } // namespace mozilla

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