Request.hpp

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// The Reactive C++ Toolbox.
// Copyright (C) 2013-2019 Swirly Cloud Limited
// Copyright (C) 2022 Reactive Markets Limited
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#ifndef TOOLBOX_HTTP_REQUEST_HPP
#define TOOLBOX_HTTP_REQUEST_HPP
 
#include <toolbox/http/Url.hpp>
 
#include <vector>
 
namespace toolbox {
inline namespace http {
 
using Headers = std::vector<std::pair<std::string, std::string>>;
 
class TOOLBOX_API Request : public BasicUrl<Request> {
  public:
    Request() = default;
    ~Request();
 
    // Copy.
    Request(const Request&) = delete;
    Request& operator=(const Request&) = delete;
 
    // Move.
    Request(Request&&) = delete;
    Request& operator=(Request&&) = delete;
 
    Method method() const noexcept { return method_; }
    const std::string& url() const noexcept { return url_; }
    const Headers& headers() const noexcept { return headers_; }
    const std::string& body() const noexcept { return body_; }
 
    void clear() noexcept
    {
        method_ = Method::Get;
        url_.clear();
        headers_.clear();
        body_.clear();
    }
    void flush() { parse(); }
    void set_method(Method method) noexcept { method_ = method; }
    void append_url(std::string_view sv) { url_.append(sv.data(), sv.size()); }
    void append_header_field(std::string_view sv, First first)
    {
        if (first == First::Yes) {
            headers_.emplace_back(std::string{sv.data(), sv.size()}, "");
        } else {
            headers_.back().first.append(sv.data(), sv.size());
        }
    }
    void append_header_value(std::string_view sv, First /*first*/)
    {
        headers_.back().second.append(sv.data(), sv.size());
    }
    void append_body(std::string_view sv) { body_.append(sv.data(), sv.size()); }
 
  private:
    Method method_{Method::Get};
    std::string url_;
    Headers headers_;
    std::string body_;
};
 
} // namespace http
} // namespace toolbox
 
#endif // TOOLBOX_HTTP_REQUEST_HPP