WIP: Moved sources int src/, separated most of the source code from Perl.

The XS was left only for the unit / integration tests, and it links
libslic3r only. No wxWidgets are allowed to be used from Perl starting
from now.

xs/src/slic3r/Utils/Http.hpp

@@ -1,115 +0,0 @@
-#ifndef slic3r_Http_hpp_
-#define slic3r_Http_hpp_
-
-#include <memory>
-#include <string>
-#include <functional>
-#include <boost/filesystem/path.hpp>
-
-
-namespace Slic3r {
-
-
-/// Represetns a Http request
-class Http : public std::enable_shared_from_this<Http> {
-private:
-	struct priv;
-public:
-	struct Progress
-	{
-		size_t dltotal;   // Total bytes to download
-		size_t dlnow;     // Bytes downloaded so far
-		size_t ultotal;   // Total bytes to upload
-		size_t ulnow;     // Bytes uploaded so far
-
-		Progress(size_t dltotal, size_t dlnow, size_t ultotal, size_t ulnow) :
-			dltotal(dltotal), dlnow(dlnow), ultotal(ultotal), ulnow(ulnow)
-		{}
-	};
-
-	typedef std::shared_ptr<Http> Ptr;
-	typedef std::function<void(std::string /* body */, unsigned /* http_status */)> CompleteFn;
-	
-	// A HTTP request may fail at various stages of completeness (URL parsing, DNS lookup, TCP connection, ...).
-	// If the HTTP request could not be made or failed before completion, the `error` arg contains a description
-	// of the error and `http_status` is zero.
-	// If the HTTP request was completed but the response HTTP code is >= 400, `error` is empty and `http_status` contains the response code.
-	// In either case there may or may not be a body.
-	typedef std::function<void(std::string /* body */, std::string /* error */, unsigned /* http_status */)> ErrorFn;
-
-	// See the Progress struct above.
-	// Writing true to the `cancel` reference cancels the request in progress.
-	typedef std::function<void(Progress, bool& /* cancel */)> ProgressFn;
-
-	Http(Http &&other);
-
-	// Note: strings are expected to be UTF-8-encoded
-
-	// These are the primary constructors that create a HTTP object
-	// for a GET and a POST request respectively.
-	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;
-
-	// Sets a maximum size of the data that can be received.
-	// A value of zero sets the default limit, which is is 5MB.
-	Http& size_limit(size_t sizeLimit);
-	// Sets a HTTP header field.
-	Http& header(std::string name, const std::string &value);
-	// Removes a header field.
-	Http& remove_header(std::string name);
-	// Sets a CA certificate file for usage with HTTPS. This is only supported on some backends,
-	// specifically, this is supported with OpenSSL and NOT supported with Windows and OS X native certificate store.
-	// See also ca_file_supported().
-	Http& ca_file(const std::string &filename);
-	// Add a HTTP multipart form field
-	Http& form_add(const std::string &name, const std::string &contents);
-	// Add a HTTP multipart form file data contents, `name` is the name of the part
-	Http& form_add_file(const std::string &name, const boost::filesystem::path &path);
-	// Same as above except also override the file's filename with a custom one
-	Http& form_add_file(const std::string &name, const boost::filesystem::path &path, const std::string &filename);
-
-	// Set the file contents as a POST request body.
-	// The data is used verbatim, it is not additionally encoded in any way.
-	// This can be used for hosts which do not support multipart requests.
-	Http& set_post_body(const boost::filesystem::path &path);
-
-	// Callback called on HTTP request complete
-	Http& on_complete(CompleteFn fn);
-	// Callback called on an error occuring at any stage of the requests: Url parsing, DNS lookup,
-	// TCP connection, HTTP transfer, and finally also when the response indicates an error (status >= 400).
-	// Therefore, a response body may or may not be present.
-	Http& on_error(ErrorFn fn);
-	// Callback called on data download/upload prorgess (called fairly frequently).
-	// See the `Progress` structure for description of the data passed.
-	// Writing a true-ish value into the cancel reference parameter cancels the request.
-	Http& on_progress(ProgressFn fn);
-
-	// Starts performing the request in a background thread
-	Ptr perform();
-	// Starts performing the request on the current thread
-	void perform_sync();
-	// Cancels a request in progress
-	void cancel();
-
-	// Tells whether current backend supports seting up a CA file using ca_file()
-	static bool ca_file_supported();
-
-	// converts the given string to an url_encoded_string
-	static std::string url_encode(const std::string &str);
-private:
-	Http(const std::string &url);
-
-	std::unique_ptr<priv> p;
-};
-
-std::ostream& operator<<(std::ostream &, const Http::Progress &);
-
-
-}
-
-#endif