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// 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 NET_HTTP2_HPACK_HPACK_STRING_H_
#define NET_HTTP2_HPACK_HPACK_STRING_H_
// HpackString is currently a very simple container for a string, but allows us
// to relatively easily experiment with alternate string storage mechanisms for
// handling strings to be encoded with HPACK, or decoded from HPACK, such as
// a ref-counted string.
#include <stddef.h>
#include <iosfwd>
#include <string>
#include "base/strings/string_piece.h"
#include "net/base/net_export.h"
namespace net {
class NET_EXPORT_PRIVATE HpackString {
public:
explicit HpackString(const char* data);
explicit HpackString(base::StringPiece str);
explicit HpackString(std::string str);
HpackString(const HpackString& other);
// Not sure yet whether this move ctor is required/sensible.
HpackString(HpackString&& other) = default;
HpackString& operator=(const HpackString& other) = default;
~HpackString();
size_t size() const { return str_.size(); }
const std::string& ToString() const { return str_; }
operator base::StringPiece() const;
bool operator==(const HpackString& other) const;
bool operator==(base::StringPiece str) const;
private:
std::string str_;
};
NET_EXPORT_PRIVATE bool operator==(base::StringPiece a, const HpackString& b);
NET_EXPORT_PRIVATE bool operator!=(base::StringPiece a, const HpackString& b);
NET_EXPORT_PRIVATE bool operator!=(const HpackString& a, const HpackString& b);
NET_EXPORT_PRIVATE bool operator!=(const HpackString& a, base::StringPiece b);
NET_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& out,
const HpackString& v);
struct NET_EXPORT_PRIVATE HpackStringPair {
HpackStringPair(const HpackString& name, const HpackString& value);
HpackStringPair(base::StringPiece name, base::StringPiece value);
~HpackStringPair();
// Returns the size of a header entry with this name and value, per the RFC:
// http://httpwg.org/specs/rfc7541.html#calculating.table.size
size_t size() const { return 32 + name.size() + value.size(); }
std::string DebugString() const;
HpackString name;
HpackString value;
};
NET_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& os,
const HpackStringPair& p);
} // namespace net
#endif // NET_HTTP2_HPACK_HPACK_STRING_H_
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