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129 lines
3.2 KiB
129 lines
3.2 KiB
#pragma once
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#include <string>
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#include <unordered_map>
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#include "json.h"
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#include "http_request.h"
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#include "ci_map.h"
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namespace crow
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{
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template <typename Adaptor, typename Handler, typename ... Middlewares>
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class Connection;
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struct response
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{
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template <typename Adaptor, typename Handler, typename ... Middlewares>
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friend class crow::Connection;
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std::string body;
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json::wvalue json_value;
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int code{200};
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// `headers' stores HTTP headers.
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ci_map headers;
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void set_header(std::string key, std::string value)
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{
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headers.erase(key);
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headers.emplace(std::move(key), std::move(value));
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}
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void add_header(std::string key, std::string value)
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{
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headers.emplace(std::move(key), std::move(value));
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}
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const std::string& get_header_value(const std::string& key)
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{
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return crow::get_header_value(headers, key);
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}
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response() {}
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explicit response(int code) : code(code) {}
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response(std::string body) : body(std::move(body)) {}
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response(json::wvalue&& json_value) : json_value(std::move(json_value))
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{
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json_mode();
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}
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response(int code, std::string body) : body(std::move(body)), code(code) {}
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response(const json::wvalue& json_value) : body(json::dump(json_value))
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{
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json_mode();
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}
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response(int code, const json::wvalue& json_value) : code(code), body(json::dump(json_value))
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{
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json_mode();
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}
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response(response&& r)
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{
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*this = std::move(r);
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}
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response& operator = (const response& r) = delete;
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response& operator = (response&& r) noexcept
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{
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body = std::move(r.body);
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json_value = std::move(r.json_value);
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code = r.code;
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headers = std::move(r.headers);
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completed_ = r.completed_;
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return *this;
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}
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bool is_completed() const noexcept
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{
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return completed_;
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}
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void clear()
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{
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body.clear();
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json_value.clear();
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code = 200;
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headers.clear();
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completed_ = false;
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}
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void write(const std::string& body_part)
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{
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body += body_part;
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}
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void end()
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{
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if (!completed_)
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{
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completed_ = true;
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if (complete_request_handler_)
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{
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complete_request_handler_();
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}
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}
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}
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void end(const std::string& body_part)
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{
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body += body_part;
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end();
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}
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bool is_alive()
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{
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return is_alive_helper_ && is_alive_helper_();
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}
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private:
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bool completed_{};
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std::function<void()> complete_request_handler_;
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std::function<bool()> is_alive_helper_;
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//In case of a JSON object, set the Content-Type header
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void json_mode()
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{
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set_header("Content-Type", "application/json");
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}
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};
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}
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