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// Copyright (c) 2013 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 QUICHE_QUIC_CORE_HTTP_SPDY_UTILS_H_
#define QUICHE_QUIC_CORE_HTTP_SPDY_UTILS_H_
#include <cstddef>
#include <cstdint>
#include <string>
#include "net/third_party/quiche/src/quic/core/http/quic_header_list.h"
#include "net/third_party/quiche/src/quic/core/quic_packets.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_export.h"
#include "net/third_party/quiche/src/spdy/core/spdy_header_block.h"
namespace quic {
class QUIC_EXPORT_PRIVATE SpdyUtils {
public:
SpdyUtils() = delete;
// Populate |content length| with the value of the content-length header.
// Returns true on success, false if parsing fails or content-length header is
// missing.
static bool ExtractContentLengthFromHeaders(int64_t* content_length,
spdy::SpdyHeaderBlock* headers);
// Copies a list of headers to a SpdyHeaderBlock.
static bool CopyAndValidateHeaders(const QuicHeaderList& header_list,
int64_t* content_length,
spdy::SpdyHeaderBlock* headers);
// Copies a list of headers to a SpdyHeaderBlock.
// If |expect_final_byte_offset| is true, requires exactly one header field
// with key kFinalOffsetHeaderKey and an integer value.
// If |expect_final_byte_offset| is false, no kFinalOffsetHeaderKey may be
// present.
// Returns true if parsing is successful. Returns false if the presence of
// kFinalOffsetHeaderKey does not match the value of
// |expect_final_byte_offset|, the kFinalOffsetHeaderKey value cannot be
// parsed, any other pseudo-header is present, an empty header key is present,
// or a header key contains an uppercase character.
static bool CopyAndValidateTrailers(const QuicHeaderList& header_list,
bool expect_final_byte_offset,
size_t* final_byte_offset,
spdy::SpdyHeaderBlock* trailers);
// Populates the fields of |headers| to make a GET request of |url|,
// which must be fully-qualified.
static bool PopulateHeaderBlockFromUrl(const std::string url,
spdy::SpdyHeaderBlock* headers);
};
} // namespace quic
#endif // QUICHE_QUIC_CORE_HTTP_SPDY_UTILS_H_