source resturcturing + CMake

1 files changed, 77 insertions, 0 deletions

diff --git a/examples/example.cpp b/examples/example.cpp
new file mode 100644
index 0000000..f21a7d6
--- /dev/null
+++ b/examples/example.cpp
@@ -0,0 +1,77 @@
+#include "crow.h"
+#include "json.h"
+
+#include <sstream>
+
+class ExampleLogHandler : public crow::ILogHandler {
+    public:
+        void log(string message, crow::LogLevel level) override {
+            cerr << "ExampleLogHandler -> " << message;
+        }
+};
+
+int main()
+{
+    crow::Crow app;
+
+    CROW_ROUTE(app, "/")
+        .name("hello")
+    ([]{
+        return "Hello World!";
+    });
+
+    CROW_ROUTE(app, "/about")
+    ([](){
+        return "About Crow example.";
+    });
+
+    // simple json response
+    CROW_ROUTE(app, "/json")
+    ([]{
+        crow::json::wvalue x;
+        x["message"] = "Hello, World!";
+        return x;
+    });
+
+    CROW_ROUTE(app,"/hello/<int>")
+    ([](int count){
+        if (count > 100)
+            return crow::response(400);
+        std::ostringstream os;
+        os << count << " bottles of beer!";
+        return crow::response(os.str());
+    });
+
+    CROW_ROUTE(app,"/add/<int>/<int>")
+    ([](const crow::request& req, crow::response& res, int a, int b){
+        std::ostringstream os;
+        os << a+b;
+        res.write(os.str());
+        res.end();
+    });
+
+    // Compile error with message "Handler type is mismatched with URL paramters"
+    //CROW_ROUTE(app,"/another/<int>")
+    //([](int a, int b){
+        //return crow::response(500);
+    //});
+
+    // more json example
+    CROW_ROUTE(app, "/add_json")
+    ([](const crow::request& req){
+        auto x = crow::json::load(req.body);
+        if (!x)
+            return crow::response(400);
+        int sum = x["a"].i()+x["b"].i();
+        std::ostringstream os;
+        os << sum;
+        return crow::response{os.str()};
+    });
+
+    //crow::logger::setLogLevel(LogLevel::INFO);
+    //crow::logger::setHandler(std::make_shared<ExampleLogHandler>());
+
+    app.port(18080)
+        .multithreaded()
+        .run();
+}