Initial setup

response/CMakeLists.txt

@@ -0,0 +1,9 @@
+set(HEADERS
+    response.h
+)
+
+set(SOURCES
+    response.cpp
+)
+
+target_sources(pica PRIVATE ${SOURCES})

response/response.cpp

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+#include "response.h"
+
+constexpr std::array<std::string_view, static_cast<uint8_t>(Response::Status::__size)> statusCodes = {
+    "Status: 200 OK",
+    "Status: 404 Not Found",
+    "Status: 405 Method Not Allowed",
+    "Status: 500 Internal Error"
+};
+
+constexpr std::array<std::string_view, static_cast<uint8_t>(Response::ContentType::__size)> contentTypes = {
+    "Content-type: text/html"
+};
+
+Response::Response():
+    status(Status::ok),
+    type(ContentType::text),
+    body()
+{}
+
+Response::Response(Status status):
+    status(status),
+    type(ContentType::text),
+    body()
+{}
+
+void Response::replyTo(Request& request) const {
+    // OStream out = status == Status::ok ?
+    //     request.getOutputStream() :
+    //     request.getErrorStream();
+    OStream out = request.getOutputStream();
+
+    out << statusCodes[static_cast<uint8_t>(status)];
+    if (!body.empty())
+        out << '\n'
+        << contentTypes[static_cast<uint8_t>(type)]
+        << '\n' << '\n'
+        << body;
+}
+
+void Response::setBody(const std::string& body) {
+    Response::body = body;
+}

response/response.h

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+#pragma once
+
+#include <string>
+#include <array>
+#include <string_view>
+
+#include "request/request.h"
+#include "stream/ostream.h"
+
+class Response {
+public:
+    enum class Status {
+        ok,
+        notFound,
+        methodNotAllowed,
+        internalError,
+        __size
+    };
+
+    enum class ContentType {
+        text,
+        __size
+    };
+    Response();
+    Response(Status status);
+
+    void replyTo(Request& request) const;
+    void setBody(const std::string& body);
+
+private:
+    Status status;
+    ContentType type;
+    std::string body;
+};