Ziele Untersuchung
mit Columbo Integrität von
Datenbanken Interaktion und
Portierbarkeit Ergonomie der
Schnittstellen

Angebot Produkte Projekt Beratung

Mittel Analytik Modellierung Sprachen Algebra Logik Hardware Denken Kreativität

Zusammenhänge Gesellschaft Wirtschaft Branche Firma


products/sources/formale Sprachen/C/Firefox/dom/base/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 5 kB

Quelle ScriptableContentIterator.cpp Sprache: C

/* -*- 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 "ScriptableContentIterator.h"

#include "mozilla/ContentIterator.h"
#include "nsINode.h"
#include "nsRange.h"

namespace mozilla {

NS_IMPL_CYCLE_COLLECTING_ADDREF(ScriptableContentIterator)
NS_IMPL_CYCLE_COLLECTING_RELEASE(ScriptableContentIterator)

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ScriptableContentIterator)
  NS_INTERFACE_MAP_ENTRY(nsIScriptableContentIterator)
  NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END

NS_IMPL_CYCLE_COLLECTION_CLASS(ScriptableContentIterator)

NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(ScriptableContentIterator)
  if (tmp->mContentIterator) {
    switch (tmp->mIteratorType) {
      case POST_ORDER_ITERATOR:
      default:
        ImplCycleCollectionUnlink(
            static_cast<PostContentIterator&>(*tmp->mContentIterator));
        break;
      case PRE_ORDER_ITERATOR:
        ImplCycleCollectionUnlink(
            static_cast<PreContentIterator&>(*tmp->mContentIterator));
        break;
      case SUBTREE_ITERATOR:
        ImplCycleCollectionUnlink(
            static_cast<ContentSubtreeIterator&>(*tmp->mContentIterator));
        break;
    }
  }
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(ScriptableContentIterator)
  if (tmp->mContentIterator) {
    switch (tmp->mIteratorType) {
      case POST_ORDER_ITERATOR:
      default:
        ImplCycleCollectionTraverse(
            cb, static_cast<PostContentIterator&>(*tmp->mContentIterator),
            "mContentIterator");
        break;
      case PRE_ORDER_ITERATOR:
        ImplCycleCollectionTraverse(
            cb, static_cast<PreContentIterator&>(*tmp->mContentIterator),
            "mContentIterator");
        break;
      case SUBTREE_ITERATOR:
        ImplCycleCollectionTraverse(
            cb, static_cast<ContentSubtreeIterator&>(*tmp->mContentIterator),
            "mContentIterator");
        break;
    }
  }
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END

ScriptableContentIterator::ScriptableContentIterator()
    : mIteratorType(NOT_INITIALIZED) {}

void ScriptableContentIterator::EnsureContentIterator() {
  if (mContentIterator) {
    return;
  }
  switch (mIteratorType) {
    case POST_ORDER_ITERATOR:
    default:
      mContentIterator = MakeUnique<PostContentIterator>();
      break;
    case PRE_ORDER_ITERATOR:
      mContentIterator = MakeUnique<PreContentIterator>();
      break;
    case SUBTREE_ITERATOR:
      mContentIterator = MakeUnique<ContentSubtreeIterator>();
      break;
  }
}

NS_IMETHODIMP
ScriptableContentIterator::InitWithRootNode(IteratorType aType,
                                            nsINode* aRoot) {
  if (aType == NOT_INITIALIZED ||
      (mIteratorType != NOT_INITIALIZED && aType != mIteratorType)) {
    return NS_ERROR_INVALID_ARG;
  }
  mIteratorType = aType;
  EnsureContentIterator();
  return mContentIterator->Init(aRoot);
}

NS_IMETHODIMP
ScriptableContentIterator::InitWithRange(IteratorType aType, nsRange* aRange) {
  if (aType == NOT_INITIALIZED ||
      (mIteratorType != NOT_INITIALIZED && aType != mIteratorType)) {
    return NS_ERROR_INVALID_ARG;
  }
  mIteratorType = aType;
  EnsureContentIterator();
  return mContentIterator->Init(aRange);
}

NS_IMETHODIMP
ScriptableContentIterator::InitWithRangeAllowCrossShadowBoundary(
    IteratorType aType, nsRange* aRange) {
  if (aType == NOT_INITIALIZED ||
      (mIteratorType != NOT_INITIALIZED && aType != mIteratorType) ||
      aType != SUBTREE_ITERATOR) {
    return NS_ERROR_INVALID_ARG;
  }

  mIteratorType = aType;
  MOZ_ASSERT(mIteratorType == SUBTREE_ITERATOR);
  EnsureContentIterator();
  return static_cast<ContentSubtreeIterator*>(mContentIterator.get())
      ->InitWithAllowCrossShadowBoundary(aRange);
}

NS_IMETHODIMP
ScriptableContentIterator::InitWithPositions(IteratorType aType,
                                             nsINode* aStartContainer,
                                             uint32_t aStartOffset,
                                             nsINode* aEndContainer,
                                             uint32_t aEndOffset) {
  if (aType == NOT_INITIALIZED ||
      (mIteratorType != NOT_INITIALIZED && aType != mIteratorType)) {
    return NS_ERROR_INVALID_ARG;
  }
  mIteratorType = aType;
  EnsureContentIterator();
  return mContentIterator->Init(aStartContainer, aStartOffset, aEndContainer,
                                aEndOffset);
}

NS_IMETHODIMP
ScriptableContentIterator::First() {
  if (!mContentIterator) {
    return NS_ERROR_NOT_INITIALIZED;
  }
  mContentIterator->First();
  return NS_OK;
}

NS_IMETHODIMP
ScriptableContentIterator::Last() {
  if (!mContentIterator) {
    return NS_ERROR_NOT_INITIALIZED;
  }
  mContentIterator->Last();
  return NS_OK;
}

NS_IMETHODIMP
ScriptableContentIterator::Next() {
  if (!mContentIterator) {
    return NS_ERROR_NOT_INITIALIZED;
  }
  mContentIterator->Next();
  return NS_OK;
}

NS_IMETHODIMP
ScriptableContentIterator::Prev() {
  if (!mContentIterator) {
    return NS_ERROR_NOT_INITIALIZED;
  }
  mContentIterator->Prev();
  return NS_OK;
}

NS_IMETHODIMP
ScriptableContentIterator::GetCurrentNode(nsINode** aNode) {
  if (!mContentIterator) {
    return NS_ERROR_NOT_INITIALIZED;
  }
  NS_IF_ADDREF(*aNode = mContentIterator->GetCurrentNode());
  return NS_OK;
}

NS_IMETHODIMP
ScriptableContentIterator::GetIsDone(bool* aIsDone) {
  if (!mContentIterator) {
    return NS_ERROR_NOT_INITIALIZED;
  }
  *aIsDone = mContentIterator->IsDone();
  return NS_OK;
}

NS_IMETHODIMP
ScriptableContentIterator::PositionAt(nsINode* aNode) {
  if (!mContentIterator) {
    return NS_ERROR_NOT_INITIALIZED;
  }
  return mContentIterator->PositionAt(aNode);
}

}  // namespace mozilla

quality94%

¤ Dauer der Verarbeitung: 0.4 Sekunden ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.