Aegisub/aegisub/auto4_ruby.h

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// Copyright (c) 2007, Patryk Pomykalski
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:pomyk@go2.pl
//
#pragma once
#ifndef _AUTO4_RUBY_H
#define _AUTO4_RUBY_H
#pragma warning(disable: 4311 4312)
#include "auto4_base.h"
#include <wx/thread.h>
#include <wx/event.h>
#include <ruby.h>
class wxWindow;
namespace Automation4 {
// Provides access to an AssFile object (and all lines contained) for a Ruby script
class RubyAssFile {
private:
AssFile *ass;
bool can_modify;
bool can_set_undo;
// keep a cursor of last accessed item to avoid walking over the entire file on every access
std::list<AssEntry*>::iterator last_entry_ptr;
int last_entry_id;
static int RubyParseTagData();
static int RubyUnparseTagData();
static int RubySetUndoPoint();
public:
void RubyUpdateAssFile(VALUE subtitles);
static VALUE AssEntryToRuby(AssEntry *e); // makes a Ruby representation of AssEntry
static AssEntry *RubyToAssEntry(VALUE ass_entry); // creates an AssEntry object from a Ruby representation
RubyAssFile(AssFile *_ass, bool _can_modify, bool _can_set_undo);
~RubyAssFile();
static RubyAssFile *raf;
VALUE rbAssFile;
};
// Provides progress UI and control functions for a Ruby script
class RubyProgressSink : public ProgressSink {
private:
public:
RubyProgressSink(wxWindow *parent, bool allow_config_dialog = true);
virtual ~RubyProgressSink();
static RubyProgressSink* inst;
static VALUE RubySetProgress(VALUE self, VALUE progress);
static VALUE RubySetTask(VALUE self, VALUE task);
static VALUE RubySetTitle(VALUE self, VALUE title);
static VALUE RubyGetCancelled(VALUE self);
static VALUE RubyDebugOut(int argc, VALUE *args, VALUE self);
static VALUE RubyDisplayDialog(VALUE self, VALUE cfg, VALUE buttons);
};
// Provides Config UI functions for a Ruby script
class RubyConfigDialogControl {
public:
wxControl *cw; // control window
wxString name, hint;
int x, y, width, height;
VALUE name_sym;
virtual wxControl *Create(wxWindow *parent) = 0;
virtual void ControlReadBack() = 0;
virtual VALUE RubyReadBack() = 0;
RubyConfigDialogControl();
RubyConfigDialogControl(VALUE opts);
virtual ~RubyConfigDialogControl() { }
};
class RubyConfigDialog : public ScriptConfigDialog {
private:
std::vector<RubyConfigDialogControl*> controls;
std::vector<wxString> buttons;
bool use_buttons;
class ButtonEventHandler : public wxEvtHandler {
public:
int *button_pushed;
void OnButtonPush(wxCommandEvent &evt);
};
ButtonEventHandler *button_event;
int button_pushed;
protected:
wxWindow* CreateWindow(wxWindow *parent);
public:
RubyConfigDialog(VALUE cfg, VALUE buttons, bool show_buttons);
virtual ~RubyConfigDialog();
VALUE RubyReadBack(); // read back internal structure to Ruby hash
void ReadBack(); // from auto4 base
};
// Second base-class for Ruby implemented Features
class RubyFeature : public virtual Feature {
protected:
int myid;
RubyFeature(ScriptFeatureClass _featureclass, const wxString &_name);
void RegisterFeature();
VALUE CreateIntegerArray(const std::vector<int> &ints);
void ThrowError();
};
// Class of Ruby scripts
class RubyScript : public Script {
friend class RubyFeature;
friend class RubyProgressSink;
private:
void Create(); // load script and create internal structures etc.
void Destroy(); // destroy internal structures, unreg features and delete environment
static RubyScript* GetScriptObject();
public:
static VALUE RubyTextExtents(VALUE self, VALUE style, VALUE text);
static VALUE RubyFrameToTime(VALUE self, VALUE frame);
static VALUE RubyTimeToFrame(VALUE self, VALUE time);
static VALUE RubyKeyFrames(VALUE self);
static VALUE backtrace_hook(VALUE self, VALUE backtr);
RubyScript(const wxString &filename);
static void RubyError();
static wxString GetError();
virtual ~RubyScript();
virtual void Reload();
static RubyScript* inst;
};
// Implementation of the Macro Feature for Ruby scripts
class RubyFeatureMacro : public FeatureMacro, RubyFeature {
private:
bool no_validate;
VALUE macro_fun;
VALUE validation_fun;
protected:
RubyFeatureMacro(const wxString &_name, const wxString &_description, VALUE macro_function, VALUE validate_function);
public:
static VALUE RubyRegister(VALUE self, VALUE name, VALUE description, VALUE macro_function, VALUE validate_function);
virtual ~RubyFeatureMacro() { }
virtual bool Validate(AssFile *subs, const std::vector<int> &selected, int active);
virtual void Process(AssFile *subs, const std::vector<int> &selected, int active, wxWindow * const progress_parent);
};
// Implementation of the Export Filter Feature for Ruby scripts
class RubyFeatureFilter : public FeatureFilter, RubyFeature {
private:
bool has_config;
RubyConfigDialog *config_dialog;
VALUE filter_fun;
VALUE dialog_fun;
protected:
RubyFeatureFilter(const wxString &_name, const wxString &_description, int merit, VALUE function, VALUE dialog);
ScriptConfigDialog* GenerateConfigDialog(wxWindow *parent);
void Init();
public:
static VALUE RubyRegister(VALUE self, VALUE name, VALUE description, VALUE merit, VALUE macro_function, VALUE validate_function);
void ProcessSubs(AssFile *subs, wxWindow *export_dialog);
};
// class for registering ruby objects created in c++
// so garbage collector doesn't destroy them
class RubyObjects {
private:
VALUE objects;
static RubyObjects *inst;
RubyObjects();
public:
~RubyObjects();
static RubyObjects *Get();
void Register(VALUE object);
void Unregister(VALUE object);
};
// stuff for safe calling of ruby functions
struct RubyCallArguments {
VALUE recv;
ID id;
int n;
VALUE *argv;
RubyCallArguments(VALUE _recv, ID _id, int _n, VALUE *_argv);
};
// Separate thread for ruby interpreter
class RubyThread : public wxThread {
private:
enum {NOTHING, CALL_FUNCTION, LOAD_FILE};
int action;
int status;
RubyCallArguments *args;
const char* file;
VALUE *result;
void InitRuby();
wxPathList include_path;
public:
RubyThread(wxPathList include_path);
void CallFunction(RubyCallArguments* arg, VALUE *res);
void LoadFile(const char* file);
int GetStatus() {return status;};
virtual ExitCode Entry();
};
VALUE rbCallWrapper(VALUE arg);
VALUE rbExecWrapper(VALUE arg);
VALUE rbLoadWrapper(VALUE arg);
VALUE rbGcWrapper(VALUE arg);
VALUE rbAss2RbWrapper(VALUE arg);
VALUE rb2AssWrapper(VALUE arg);
VALUE rbError(VALUE arg);
typedef VALUE (*RB_HOOK)(...);
typedef VALUE (*RB_HOOK2)(VALUE);
#define STR2SYM(x) ID2SYM(rb_intern(x))
};
#endif