154 lines
7.7 KiB
C++
154 lines
7.7 KiB
C++
/*
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* Copyright (C) 2006-2016 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 <wtf/HashSet.h>
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#include <wtf/text/StringHash.h>
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namespace WebCore {
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struct TypeExtensionPair {
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ASCIILiteral type;
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ASCIILiteral extension;
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};
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WEBCORE_EXPORT const std::initializer_list<TypeExtensionPair>& commonMediaTypes();
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struct MIMETypeRegistryThreadGlobalData {
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WTF_MAKE_NONCOPYABLE(MIMETypeRegistryThreadGlobalData);
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WTF_MAKE_FAST_ALLOCATED;
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public:
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MIMETypeRegistryThreadGlobalData(HashSet<String, ASCIICaseInsensitiveHash>&& supportedImageMIMETypesForEncoding)
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: m_supportedImageMIMETypesForEncoding(supportedImageMIMETypesForEncoding)
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{ }
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const HashSet<String, ASCIICaseInsensitiveHash>& supportedImageMIMETypesForEncoding() const { return m_supportedImageMIMETypesForEncoding; }
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private:
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HashSet<String, ASCIICaseInsensitiveHash> m_supportedImageMIMETypesForEncoding;
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};
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class MIMETypeRegistry {
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public:
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WEBCORE_EXPORT static String mimeTypeForExtension(const String& extension);
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WEBCORE_EXPORT static Vector<String> extensionsForMIMEType(const String& type);
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WEBCORE_EXPORT static String preferredExtensionForMIMEType(const String& type);
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WEBCORE_EXPORT static String mediaMIMETypeForExtension(const String& extension);
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WEBCORE_EXPORT static String mimeTypeForPath(const String& path);
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static std::unique_ptr<MIMETypeRegistryThreadGlobalData> createMIMETypeRegistryThreadGlobalData();
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// Check to see if a MIME type is suitable for being loaded inline as an
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// image (e.g., <img> tags).
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WEBCORE_EXPORT static bool isSupportedImageMIMEType(const String& mimeType);
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// Check to see if a MIME type is suitable for being loaded as an image, including SVG and Video (where supported).
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WEBCORE_EXPORT static bool isSupportedImageVideoOrSVGMIMEType(const String& mimeType);
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// Check to see if a MIME type is suitable for being encoded.
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WEBCORE_EXPORT static bool isSupportedImageMIMETypeForEncoding(const String& mimeType);
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// Check to see if a MIME type is suitable for being loaded as a JavaScript or JSON resource.
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WEBCORE_EXPORT static bool isSupportedJavaScriptMIMEType(const String& mimeType);
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WEBCORE_EXPORT static bool isSupportedJSONMIMEType(const String& mimeType);
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// Check to see if a MIME type is suitable for being loaded as a style sheet.
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static bool isSupportedStyleSheetMIMEType(const String& mimeType);
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// Check to see if a MIME type is suitable for being loaded as a font.
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static bool isSupportedFontMIMEType(const String& mimeType);
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// Check to see if a MIME type is a text media playlist type, such as an m3u8.
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static bool isTextMediaPlaylistMIMEType(const String& mimeType);
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// Check to see if a non-image MIME type is suitable for being loaded as a
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// document in a frame. Does not include supported JavaScript and JSON MIME types.
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WEBCORE_EXPORT static bool isSupportedNonImageMIMEType(const String& mimeType);
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// Check to see if a MIME type is suitable for being loaded using <video> and <audio>.
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WEBCORE_EXPORT static bool isSupportedMediaMIMEType(const String& mimeType);
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// Check to see if a MIME type is suitable for being loaded using <track>>.
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WEBCORE_EXPORT static bool isSupportedTextTrackMIMEType(const String& mimeType);
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// Check to see if a MIME type is a valid Java applet mime type.
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WEBCORE_EXPORT static bool isJavaAppletMIMEType(const String& mimeType);
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// Check to see if a MIME type is a plugin implemented by the browser.
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static bool isApplicationPluginMIMEType(const String& mimeType);
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// Check to see if a MIME type is one of the common PDF/PS types.
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static bool isPDFMIMEType(const String& mimeType);
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static bool isPostScriptMIMEType(const String& mimeType);
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WEBCORE_EXPORT static bool isPDFOrPostScriptMIMEType(const String& mimeType);
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WEBCORE_EXPORT static bool isSystemPreviewMIMEType(const String& mimeType);
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// Check to see if a MIME type is suitable for being shown inside a page.
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// Returns true if any of isSupportedImageMIMEType(), isSupportedNonImageMIMEType(),
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// isSupportedMediaMIMEType(), isSupportedJavaScriptMIMEType(), isSupportedJSONMIMEType(),
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// returns true or if the given MIME type begins with "text/" and
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// isUnsupportedTextMIMEType() returns false.
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WEBCORE_EXPORT static bool canShowMIMEType(const String& mimeType);
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// Check to see if a MIME type is one where an XML document should be created
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// rather than an HTML document.
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WEBCORE_EXPORT static bool isXMLMIMEType(const String& mimeType);
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// Check to see if a MIME type is for an XML external entity resource.
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WEBCORE_EXPORT static bool isXMLEntityMIMEType(StringView mimeType);
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// Used in page load algorithm to decide whether to display as a text
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// document in a frame. Not a good idea to use elsewhere, because that code
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// makes this test is after many other tests are done on the MIME type.
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WEBCORE_EXPORT static bool isTextMIMEType(const String& mimeType);
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WEBCORE_EXPORT static FixedVector<const char*> supportedImageMIMETypes();
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static HashSet<String, ASCIICaseInsensitiveHash>& additionalSupportedImageMIMETypes();
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WEBCORE_EXPORT static HashSet<String, ASCIICaseInsensitiveHash>& supportedNonImageMIMETypes();
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WEBCORE_EXPORT static const HashSet<String, ASCIICaseInsensitiveHash>& supportedMediaMIMETypes();
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WEBCORE_EXPORT static FixedVector<const char*> pdfMIMETypes();
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WEBCORE_EXPORT static FixedVector<const char*> unsupportedTextMIMETypes();
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WEBCORE_EXPORT static FixedVector<const char*> systemPreviewMIMETypes();
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WEBCORE_EXPORT static String appendFileExtensionIfNecessary(const String& filename, const String& mimeType);
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WEBCORE_EXPORT static String preferredImageMIMETypeForEncoding(const Vector<String>& mimeTypes, const Vector<String>& extensions);
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WEBCORE_EXPORT static bool containsImageMIMETypeForEncoding(const Vector<String>& mimeTypes, const Vector<String>& extensions);
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WEBCORE_EXPORT static Vector<String> allowedMIMETypes(const Vector<String>& mimeTypes, const Vector<String>& extensions);
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WEBCORE_EXPORT static Vector<String> allowedFileExtensions(const Vector<String>& mimeTypes, const Vector<String>& extensions);
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private:
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// Check to see if the MIME type is not suitable for being loaded as a text
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// document in a frame. Only valid for MIME types begining with "text/".
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static bool isUnsupportedTextMIMEType(const String& mimeType);
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};
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WEBCORE_EXPORT const String& defaultMIMEType();
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} // namespace WebCore
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