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/*
* Copyright (C) 2013-2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "DocumentFragment.h"
#include "LocalFrame.h"
#include "Pasteboard.h"
#include "SimpleRange.h"
#include "markup.h"
#include <wtf/WeakRef.h>
namespace WebCore {
class ArchiveResource;
class FrameWebContentReader : public PasteboardWebContentReader {
public:
FrameWebContentReader(LocalFrame& frame)
: m_frame(frame)
{
}
LocalFrame& frame() const { return m_frame.get(); }
Ref<LocalFrame> protectedFrame() const { return m_frame.get(); }
protected:
bool shouldSanitize() const;
MSOListQuirks msoListQuirksForMarkup() const;
private:
WeakRef<LocalFrame> m_frame;
};
class WebContentReader final : public FrameWebContentReader {
public:
#if PLATFORM(COCOA)
static constexpr auto placeholderAttachmentFilenamePrefix = "webkit-attachment-"_s;
#endif
WebContentReader(LocalFrame& frame, const SimpleRange& context, bool allowPlainText)
: FrameWebContentReader(frame)
, m_context(context)
#if PLATFORM(COCOA) || PLATFORM(GTK)
, m_allowPlainText(allowPlainText)
#endif
{
UNUSED_PARAM(allowPlainText);
}
void addFragment(Ref<DocumentFragment>&&);
RefPtr<DocumentFragment> takeFragment() { return std::exchange(m_fragment, nullptr); }
RefPtr<DocumentFragment> protectedFragment() const { return m_fragment; }
bool madeFragmentFromPlainText() const { return m_madeFragmentFromPlainText; }
private:
#if PLATFORM(COCOA) || PLATFORM(GTK)
bool readFilePath(const String&, PresentationSize preferredPresentationSize = { }, const String& contentType = { }) override;
bool readFilePaths(const Vector<String>&) override;
bool readHTML(const String&) override;
bool readImage(Ref<FragmentedSharedBuffer>&&, const String& type, PresentationSize preferredPresentationSize = { }) override;
bool readURL(const URL&, const String& title) override;
bool readPlainText(const String&) override;
#endif
#if PLATFORM(COCOA)
bool readWebArchive(SharedBuffer&) override;
bool readRTFD(SharedBuffer&) override;
bool readRTF(SharedBuffer&) override;
bool readDataBuffer(SharedBuffer&, const String& type, const AtomString& name, PresentationSize preferredPresentationSize = { }) override;
#endif
const SimpleRange m_context;
#if PLATFORM(COCOA) || PLATFORM(GTK)
const bool m_allowPlainText;
#endif
RefPtr<DocumentFragment> m_fragment;
bool m_madeFragmentFromPlainText { false };
};
class WebContentMarkupReader final : public FrameWebContentReader {
public:
explicit WebContentMarkupReader(LocalFrame& frame)
: FrameWebContentReader(frame)
{
}
String takeMarkup() { return std::exchange(m_markup, { }); }
private:
#if PLATFORM(COCOA) || PLATFORM(GTK)
bool readFilePath(const String&, PresentationSize = { }, const String& = { }) override { return false; }
bool readFilePaths(const Vector<String>&) override { return false; }
bool readHTML(const String&) override;
bool readImage(Ref<FragmentedSharedBuffer>&&, const String&, PresentationSize = { }) override { return false; }
bool readURL(const URL&, const String&) override { return false; }
bool readPlainText(const String&) override { return false; }
#endif
#if PLATFORM(COCOA)
bool readWebArchive(SharedBuffer&) override;
bool readRTFD(SharedBuffer&) override;
bool readRTF(SharedBuffer&) override;
bool readDataBuffer(SharedBuffer&, const String&, const AtomString&, PresentationSize = { }) override { return false; }
#endif
String m_markup;
};
#if PLATFORM(COCOA) && defined(__OBJC__)
struct FragmentAndResources {
RefPtr<DocumentFragment> fragment;
Vector<Ref<ArchiveResource>> resources;
};
enum class FragmentCreationOptions : uint8_t {
IgnoreResources = 1 << 0,
NoInterchangeNewlines = 1 << 1,
SanitizeMarkup = 1 << 2
};
WEBCORE_EXPORT RefPtr<DocumentFragment> createFragment(LocalFrame&, NSAttributedString *, OptionSet<FragmentCreationOptions> = { });
#endif
}
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