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/* Copyright (C) 2005 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef _MGRT_H_
#define _MGRT_H_
#include "myx_grt_public_interface.h"
#include <glibmm.h>
#include <sigc++/sigc++.h>
#include <list>
#include "MGRTValue.h"
#include <myg_utils.h>
class MGShellView;
class MGRT {
public:
typedef sigc::slot<void,Glib::ustring> OutputHandlerSlot;
typedef sigc::slot<void,Glib::ustring,Glib::ustring> MessageHandlerSlot;
typedef sigc::slot<bool,Glib::ustring,bool,Glib::ustring*> InputHandlerSlot;
class Request {
friend class MGRT;
protected:
Glib::ustring _module, _function;
MGRTValue _arguments;
MGRTValue _result;
MYX_GRT_ERROR _error;
OutputHandlerSlot _outputHandler;
MessageHandlerSlot _messageHandler;
InputHandlerSlot _inputHandler;
public:
void set_output_handler(const OutputHandlerSlot &handler);
void set_message_handler(const MessageHandlerSlot &handler);
void set_input_handler(const InputHandlerSlot &handler);
virtual ~Request() {};
virtual void execute(MGRT *grt)= 0;
virtual void finish(MGRT *grt)= 0;
virtual bool is_async()= 0;
virtual bool wait()= 0;
virtual MGRTValue result() { return _result; };
virtual MYX_GRT_ERROR error() { return _error; };
};
class AsyncRequest : public Request {
void *_data;
sigc::slot<void,const MGRTValue&,bool,void*> _finished;
bool _null_ok;
public:
AsyncRequest(const Glib::ustring &module,
const Glib::ustring &function,
const MGRTValue &arguments,
void *user_data,
sigc::slot<void,const MGRTValue&,bool,void*> finished,
bool null_ok);
virtual void finish(MGRT *grt);
virtual bool is_async();
virtual bool wait();
virtual void execute(MGRT *grt);
};
protected:
MYX_GRT *_grt;
std::list<Request*> _requestQueue;
Glib::Mutex _requestQueueLock;
Glib::Cond _requestReady;
std::list<Request*> _finishedRequestQueue;
Glib::Mutex _finishedRequestLock;
Glib::Dispatcher _finishedRequestSignal;
MGShellView *_console;
Glib::Mutex _handlerMutex;
OutputHandlerSlot _outputHandler;
MessageHandlerSlot _messageHandler;
InputHandlerSlot _inputHandler;
sigc::slot<int> _statusQueryHandler;
MYX_GRT_ERROR _lastError;
Glib::ustring _lastErrorMessage;
Glib::ustring _appDictPath;
Glib::Mutex _thread_ready;
static int process_grt_input(const char *caption, MYX_GRT_INPUT_OPTIONS options, const char **text, void *user_data);
static void process_grt_output(const char *text, void *data);
static void process_grt_message(MYX_GRT_MSGS *msgs, void *data);
static int process_grt_status_query(void *data);
void init_thread(const std::string &resourcePath, const std::string &binResourcePath);
void request_thread(const std::string &resourcePath, const std::string &binResourcePath);
void handle_finished_async_requests();
void setup_loader();
public:
MGRT();
virtual ~MGRT();
void initialize_grt_thread(const Glib::ustring &resourcePath, const Glib::ustring &binResourcePath);
inline MYX_GRT *grt() const { return _grt; };
void flush_messages();
void dump(const MGRTValue &value);
static void dummy(const MGRTValue&, bool, void*) {};
void set_console(MGShellView *shell);
void out_text(const Glib::ustring &text);
void out_message(const Glib::ustring &text,
const Glib::ustring &type);
void perform_shell_command(const Glib::ustring &command);
Glib::ustring shell_prompt();
bool save_subtree(const char *subtree_path, const std::string &path);
bool load_subtree(const char *subtree_path, const std::string &path);
MGRTValue global_app_dict();
void load_common_options(const std::string &path);
bool scan_structs_in_path(const std::string &path);
bool scan_modules_in_path(const std::string &path);
void queue_request(Request *req);
bool call_procedure(const std::string &module,
const std::string &procedure,
const MGRTValue &arguments);
MGRTValue call_function(const std::string &module,
const std::string &function,
const MGRTValue &arguments);
int call_int_function(const std::string &module,
const std::string &function,
const MGRTValue &arguments);
Glib::ustring call_string_function(const std::string &module,
const std::string &function,
const MGRTValue &arguments);
AsyncRequest *prepare_async_call(const std::string &module,
const std::string &function,
const MGRTValue &arguments,
void *data,
sigc::slot<void,const MGRTValue&,bool,void*> finished,
bool null_ok);
bool call_async_function(const std::string &module,
const std::string &function,
const MGRTValue &arguments,
void *data= 0,
sigc::slot<void,const MGRTValue&,bool,void*> finished= sigc::ptr_fun(MGRT::dummy),
bool null_ok= false);
InputHandlerSlot set_input_handler(const InputHandlerSlot &handler);
OutputHandlerSlot set_output_handler(const OutputHandlerSlot &handler);
void reset_output_handler();
void set_status_query_handler(sigc::slot<int> handler);
MessageHandlerSlot set_message_handler(const MessageHandlerSlot &handler);
void reset_message_handler();
void report_error(MYX_GRT_ERROR error);
MYX_GRT_ERROR last_error();
Glib::ustring last_error_description();
bool result_is_error(const MGRTValue &value);
MGRTValue result_value(const MGRTValue &value);
void report_error_result(const MGRTValue &value);
Glib::ustring error_text(MYX_GRT_ERROR error);
MGRTValue global_value(const char *path);
MGRTValue global_ref_value(const char *path);
void set_global_value(const char *path, const MGRTValue &value);
void unset_global_value(const char *path);
MGRTValue global_value(const Glib::ustring &path) { return global_value(path.c_str()); };
MGRTValue global_ref_value(const Glib::ustring &path) { return global_ref_value(path.c_str()); };
void set_global_value(const Glib::ustring &path, const MGRTValue &value) { set_global_value(path.c_str(), value); };
void register_builtin_module(const Glib::ustring &module_name,
std::map<Glib::ustring,sigc::slot<MGRTValue,MGRTValue> > &functions);
};
#endif /* _MGRT_H_ */
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