C++ nsTArray::AppendElements方法代码示例

void
nsSVGTextContainerFrame::GetEffectiveXY(nsTArray<float> &aX,
                                        nsTArray<float> &aY)
{
  aX.AppendElements(mX);
  aY.AppendElements(mY);
}

void
nsHtml5TreeOpStage::MoveOpsAndSpeculativeLoadsTo(nsTArray<nsHtml5TreeOperation>& aOpQueue,
    nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue)
{
  mozilla::MutexAutoLock autoLock(mMutex);
  aOpQueue.AppendElements(Move(mOpQueue));
  aSpeculativeLoadQueue.AppendElements(Move(mSpeculativeLoadQueue));
}

void
HTMLOptionsCollection::GetSupportedNames(nsTArray<nsString>& aNames)
{
  AutoTArray<nsIAtom*, 8> atoms;
  for (uint32_t i = 0; i < mElements.Length(); ++i) {
    HTMLOptionElement* content = mElements.ElementAt(i);
    if (content) {
      // Note: HasName means the names is exposed on the document,
      // which is false for options, so we don't check it here.
      const nsAttrValue* val = content->GetParsedAttr(nsGkAtoms::name);
      if (val && val->Type() == nsAttrValue::eAtom) {
        nsIAtom* name = val->GetAtomValue();
        if (!atoms.Contains(name)) {
          atoms.AppendElement(name);
        }
      }
      if (content->HasID()) {
        nsIAtom* id = content->GetID();
        if (!atoms.Contains(id)) {
          atoms.AppendElement(id);
        }
      }
    }
  }

  uint32_t atomsLen = atoms.Length();
  nsString* names = aNames.AppendElements(atomsLen);
  for (uint32_t i = 0; i < atomsLen; ++i) {
    atoms[i]->ToString(names[i]);
  }
}

nsresult
MockMediaResource::GetCachedRanges(nsTArray<MediaByteRange>& aRanges)
{
  aRanges.Clear();
  aRanges.AppendElements(mRanges);
  return NS_OK;
}

void
Service::getConnections(/* inout */ nsTArray<RefPtr<Connection> >& aConnections)
{
  mRegistrationMutex.AssertNotCurrentThreadOwns();
  MutexAutoLock mutex(mRegistrationMutex);
  aConnections.Clear();
  aConnections.AppendElements(mConnections);
}

bool
CopyArrayBufferViewOrArrayBufferData(const ArrayBufferViewOrArrayBuffer& aBufferOrView,
                                     nsTArray<uint8_t>& aOutData)
{
  if (aBufferOrView.IsArrayBuffer()) {
    const ArrayBuffer& buffer = aBufferOrView.GetAsArrayBuffer();
    buffer.ComputeLengthAndData();
    aOutData.AppendElements(buffer.Data(), buffer.Length());
  } else if (aBufferOrView.IsArrayBufferView()) {
    const ArrayBufferView& bufferview = aBufferOrView.GetAsArrayBufferView();
    bufferview.ComputeLengthAndData();
    aOutData.AppendElements(bufferview.Data(), bufferview.Length());
  } else {
    return false;
  }
  return true;
}

static void
AACAudioSpecificConfigToUserData(uint8_t aAACProfileLevelIndication,
                                 const uint8_t* aAudioSpecConfig,
                                 uint32_t aConfigLength,
                                 nsTArray<BYTE>& aOutUserData)
{
  MOZ_ASSERT(aOutUserData.IsEmpty());

  // The MF_MT_USER_DATA for AAC is defined here:
  // http://msdn.microsoft.com/en-us/library/windows/desktop/dd742784%28v=vs.85%29.aspx
  //
  // For MFAudioFormat_AAC, MF_MT_USER_DATA contains the portion of
  // the HEAACWAVEINFO structure that appears after the WAVEFORMATEX
  // structure (that is, after the wfx member). This is followed by
  // the AudioSpecificConfig() data, as defined by ISO/IEC 14496-3.
  // [...]
  // The length of the AudioSpecificConfig() data is 2 bytes for AAC-LC
  // or HE-AAC with implicit signaling of SBR/PS. It is more than 2 bytes
  // for HE-AAC with explicit signaling of SBR/PS.
  //
  // The value of audioObjectType as defined in AudioSpecificConfig()
  // must be 2, indicating AAC-LC. The value of extensionAudioObjectType
  // must be 5 for SBR or 29 for PS.
  //
  // HEAACWAVEINFO structure:
  //    typedef struct heaacwaveinfo_tag {
  //      WAVEFORMATEX wfx;
  //      WORD         wPayloadType;
  //      WORD         wAudioProfileLevelIndication;
  //      WORD         wStructType;
  //      WORD         wReserved1;
  //      DWORD        dwReserved2;
  //    }
  const UINT32 heeInfoLen = 4 * sizeof(WORD) + sizeof(DWORD);

  // The HEAACWAVEINFO must have payload and profile set,
  // the rest can be all 0x00.
  BYTE heeInfo[heeInfoLen] = {0};
  WORD* w = (WORD*)heeInfo;
  w[0] = 0x0; // Payload type raw AAC packet
  w[1] = aAACProfileLevelIndication;

  aOutUserData.AppendElements(heeInfo, heeInfoLen);
  aOutUserData.AppendElements(aAudioSpecConfig, aConfigLength);
}

void
MP4Reader::ExtractCryptoInitData(nsTArray<uint8_t>& aInitData)
{
  MOZ_ASSERT(mCrypto.valid);
  const nsTArray<mp4_demuxer::PsshInfo>& psshs = mCrypto.pssh;
  for (uint32_t i = 0; i < psshs.Length(); i++) {
    aInitData.AppendElements(psshs[i].data);
  }
}

const nsTArray<int>& DummyArray()
{
  static nsTArray<int> sArray;
  if (sArray.IsEmpty()) {
    const int data[] = {4, 1, 2, 8};
    sArray.AppendElements(data, ArrayLength(data));
  }
  return sArray;
}

bool
TouchBlockState::GetAllowedTouchBehaviors(nsTArray<TouchBehaviorFlags>& aOutBehaviors) const
{
  if (!mAllowedTouchBehaviorSet) {
    return false;
  }
  aOutBehaviors.AppendElements(mAllowedTouchBehaviors);
  return true;
}

static void
GetPluginMimeTypes(const nsTArray<RefPtr<nsPluginElement> >& aPlugins,
                   nsTArray<RefPtr<nsMimeType> >& aMimeTypes)
{
  for (uint32_t i = 0; i < aPlugins.Length(); ++i) {
    nsPluginElement *plugin = aPlugins[i];
    aMimeTypes.AppendElements(plugin->MimeTypes());
  }
}

void
URLSearchParams::GetAll(const nsAString& aName, nsTArray<nsString>& aRetval)
{
  nsTArray<nsString>* array;
  if (!mSearchParams.Get(aName, &array)) {
    return;
  }

  aRetval.AppendElements(*array);
}

nsresult
FragmentBuffer::GetCSD(nsTArray<uint8_t>& aCSD)
{
  if (!mCSDFrame) {
    return NS_ERROR_FAILURE;
  }
  aCSD.AppendElements(mCSDFrame->GetFrameData().Elements(),
                      mCSDFrame->GetFrameData().Length());

  return NS_OK;
}

void
TableToArray(const nsTHashtable<nsPtrHashKey<void>>& aTable,
             nsTArray<void*>& aArray)
{
  uint32_t i = 0;
  void** elements = aArray.AppendElements(aTable.Count());
  for (auto iter = aTable.ConstIter(); !iter.Done(); iter.Next()) {
    elements[i] = iter.Get()->GetKey();
    ++i;
  }
}

void
CopyArrayBufferViewOrArrayBufferData(const dom::ArrayBufferViewOrArrayBuffer& aBufferOrView,
                                     nsTArray<uint8_t>& aOutData)
{
    ArrayData data = GetArrayBufferViewOrArrayBufferData(aBufferOrView);
    aOutData.Clear();
    if (!data.IsValid()) {
        return;
    }
    aOutData.AppendElements(data.mData, data.mLength);
}