Http client via libcurl

xs/src/slic3r/Utils/Http.hpp

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+#ifndef slic3r_Http_hpp_
+#define slic3r_Http_hpp_
+
+#include <memory>
+#include <string>
+#include <functional>
+
+
+namespace Slic3r {
+
+
+/// Represetns a Http request
+class Http : public std::enable_shared_from_this<Http> {
+private:
+	struct priv;
+public:
+	typedef std::shared_ptr<Http> Ptr;
+	typedef std::function<void(std::string /* body */, unsigned /* http_status */)> CompleteFn;
+	typedef std::function<void(std::string /* body */, std::string /* error */, unsigned /* http_status */)> ErrorFn;
+
+	Http(Http &&other);
+
+	static Http get(std::string url);
+	static Http post(std::string url);
+	~Http();
+
+	Http(const Http &) = delete;
+	Http& operator=(const Http &) = delete;
+	Http& operator=(Http &&) = delete;
+
+	Http& size_limit(size_t sizeLimit);
+	Http& header(std::string name, const std::string &value);
+	Http& remove_header(std::string name);
+	Http& ca_file(const std::string &filename);
+	Http& form_add(const std::string &name, const std::string &contents);
+	Http& form_add_file(const std::string &name, const std::string &filename);
+
+	Http& on_complete(CompleteFn fn);
+	Http& on_error(ErrorFn fn);
+
+	Ptr perform();
+	void perform_sync();
+
+private:
+	Http(const std::string &url);
+
+	std::unique_ptr<priv> p;
+};
+
+
+}
+
+#endif