124 lines
5.3 KiB
C++
124 lines
5.3 KiB
C++
/*
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* Copyright (C) 2008-2019 Apple Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "Blob.h"
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#include <wtf/IsoMalloc.h>
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#include <wtf/Ref.h>
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#include <wtf/TypeCasts.h>
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#include <wtf/text/WTFString.h>
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namespace WebCore {
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class File final : public Blob {
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WTF_MAKE_ISO_ALLOCATED_EXPORT(File, WEBCORE_EXPORT);
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public:
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struct PropertyBag : BlobPropertyBag {
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std::optional<int64_t> lastModified;
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};
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// Create a file with an optional name exposed to the author (via File.name and associated DOM properties) that differs from the one provided in the path.
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WEBCORE_EXPORT static Ref<File> create(ScriptExecutionContext*, const String& path, const String& replacementPath = { }, const String& nameOverride = { });
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// Create a File using the 'new File' constructor.
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static Ref<File> create(ScriptExecutionContext& context, Vector<BlobPartVariant>&& blobPartVariants, const String& filename, const PropertyBag& propertyBag)
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{
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auto file = adoptRef(*new File(context, WTFMove(blobPartVariants), filename, propertyBag));
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file->suspendIfNeeded();
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return file;
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}
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static Ref<File> deserialize(ScriptExecutionContext* context, const String& path, const URL& srcURL, const String& type, const String& name, const std::optional<int64_t>& lastModified = std::nullopt)
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{
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auto file = adoptRef(*new File(deserializationContructor, context, path, srcURL, type, name, lastModified));
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file->suspendIfNeeded();
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return file;
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}
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static Ref<File> create(ScriptExecutionContext* context, const Blob& blob, const String& name)
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{
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auto file = adoptRef(*new File(context, blob, name));
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file->suspendIfNeeded();
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return file;
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}
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static Ref<File> create(ScriptExecutionContext* context, const File& existingFile, const String& name)
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{
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auto file = adoptRef(*new File(context, existingFile, name));
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file->suspendIfNeeded();
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return file;
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}
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static Ref<File> createWithRelativePath(ScriptExecutionContext*, const String& path, const String& relativePath);
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bool isFile() const override { return true; }
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const String& path() const { return m_path; }
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const String& relativePath() const { return m_relativePath; }
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void setRelativePath(const String& relativePath) { m_relativePath = relativePath; }
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const String& name() const { return m_name; }
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WEBCORE_EXPORT int64_t lastModified() const; // Number of milliseconds since Epoch.
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const std::optional<int64_t>& lastModifiedOverride() const { return m_lastModifiedDateOverride; } // Number of milliseconds since Epoch.
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static String contentTypeForFile(const String& path);
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#if ENABLE(FILE_REPLACEMENT)
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static bool shouldReplaceFile(const String& path);
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#endif
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bool isDirectory() const;
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private:
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WEBCORE_EXPORT explicit File(ScriptExecutionContext*, const String& path);
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File(ScriptExecutionContext*, URL&&, String&& type, String&& path, String&& name);
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File(ScriptExecutionContext&, Vector<BlobPartVariant>&& blobPartVariants, const String& filename, const PropertyBag&);
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File(ScriptExecutionContext*, const Blob&, const String& name);
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File(ScriptExecutionContext*, const File&, const String& name);
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File(DeserializationContructor, ScriptExecutionContext*, const String& path, const URL& srcURL, const String& type, const String& name, const std::optional<int64_t>& lastModified);
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static void computeNameAndContentType(const String& path, const String& nameOverride, String& effectiveName, String& effectiveContentType);
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#if ENABLE(FILE_REPLACEMENT)
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static void computeNameAndContentTypeForReplacedFile(const String& path, const String& nameOverride, String& effectiveName, String& effectiveContentType);
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#endif
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// ActiveDOMObject.
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const char* activeDOMObjectName() const final;
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String m_path;
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String m_relativePath;
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String m_name;
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std::optional<int64_t> m_lastModifiedDateOverride;
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mutable std::optional<bool> m_isDirectory;
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::File)
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static bool isType(const WebCore::Blob& blob) { return blob.isFile(); }
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SPECIALIZE_TYPE_TRAITS_END()
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