[Fetch API] Implement Request.formData and Response.formData.

third_party/WebKit/Source/modules/fetch/MultipartParser.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MultipartParser_h
+#define MultipartParser_h
+
+#include "modules/ModulesExport.h"
+#include "platform/heap/Handle.h"
+#include "platform/network/ResourceResponse.h"
+#include "wtf/Vector.h"
+
+namespace blink {
+
+class MODULES_EXPORT MultipartParser : public GarbageCollectedFinalized<MultipartParser> {

[yhirano, 2016/09/07 06:00:16]

final

[e_hakkinen, 2016/09/08 00:06:29]

Done.

+    WTF_MAKE_NONCOPYABLE(MultipartParser);
+
+public:
+    class MODULES_EXPORT Client : public GarbageCollectedMixin {
+    public:
+        virtual ~Client() = default;
+        virtual void partHeaderFieldsInMultipartReceived(const ResourceResponse&) = 0;
+        virtual void partDataInMultipartReceived(const char* bytes, size_t) = 0;
+        virtual void partDataInMultipartFullyReceived() = 0;
+        DEFINE_INLINE_VIRTUAL_TRACE() {}
+    };
+
+    MultipartParser(Vector<char> boundary, Client*);
+    bool appendData(const char* bytes, size_t);
+    void cancel();
+    bool finish();
+
+    bool isCancelled() const { return m_state == Cancelled; }
+
+    DECLARE_TRACE();
+
+private:
+    size_t countNonDelimiterBytes(const char* bytes, size_t) const;
+    size_t countPossibleDelimiterBytes(const char* bytes, size_t) const;
+    size_t countTransportPaddingBytes(const char* bytes, size_t) const;
+    bool parseDelimiter(const char* bytes, size_t, size_t* index);
+    bool parseDelimiterSuffix(const char* bytes, size_t, size_t* index, const char* suffix);
+    size_t seenDelimiterSuffixLength() const;
+
+    Vector<char> m_delimiter;
+    Member<Client> m_client;
+    size_t m_seenDelimiterLength;
+    size_t m_seenDelimiterOffset;
+    Vector<char> m_seenHeaderBytes;
+
+    enum State {
+        ParsingPreamble,
+        ParsingDelimiterSuffix,
+        ParsingPartHeaderFields,
+        ParsingPartOctets,
+        ParsingDelimiterOrCloseDelimiterSuffix,
+        ParsingCloseDelimiterSuffix,
+        ParsingEpilogue,
+        Cancelled,
+        Failed,
+        Finished
+    } m_state;
+};
+
+} // namespace blink
+
+#endif // MultipartParser_h