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// PyView.h --
// $Id: PyView.h,v 1.8 2001/12/19 16:30:23 wcvs Exp $
// This is part of MetaKit, see http://www.equi4.com/metakit/
//
// Copyright 1999 McMillan Enterprises, Inc. -- www.mcmillan-inc.com
// Copyright (C) 1999-2001 Jean-Claude Wippler <jcw@equi4.com>
//
// View class header
#if !defined INCLUDE_PYVIEW_H
#define INCLUDE_PYVIEW_H
#include <mk4.h>
#include <PWOSequence.h>
#include <PWOCallable.h>
#include <PWONumber.h>
#include "PyHead.h"
#define PyView_Check(v) ((v)->ob_type==&PyViewtype)
#define PyViewer_Check(v) ((v)->ob_type==&PyViewertype)
#define PyROViewer_Check(v) ((v)->ob_type==&PyROViewertype)
#define PyGenericView_Check(v) (PyView_Check(v) || PyViewer_Check(v) || PyROViewer_Check(v))
class PyView;
class PyRowRef;
extern PyTypeObject PyViewtype;
extern PyTypeObject PyViewertype;
extern PyTypeObject PyROViewertype;
#define BASE 0 //0000
#define MVIEWER 4 //0100
#define RWVIEWER 5 //0101
#define NOTIFIABLE 1 //0001
#define FINALNOTIFIABLE 9 //1001
#define ROVIEWER 7 //0111
#define IMMUTABLEROWS 2
class PyView : public PyHead, public c4_View {
PyView *_base;
int _state;
public:
PyView();
PyView(const c4_View& o, PyView *owner=0, int state=BASE);
~PyView() {}
void insertAt(int i, PyObject* o);
PyRowRef *getItem(int i);
PyView *getSlice(int s, int e);
int setItemRow(int i, const c4_RowRef& v) {
if (i < 0)
i += GetSize();
if (i > GetSize() || i < 0)
Fail(PyExc_IndexError, "Index out of range");
SetAt(i, v);
return 0;
};
int setItem(int i, PyObject* v);
void addProperties(const PWOSequence& lst);
int setSlice(int s, int e, const PWOSequence& lst);
PyObject* structure();
void makeRow(c4_Row& temp, PyObject* o, bool useDefaults=true);
void map(const PWOCallable& func);
void map(const PWOCallable& func, const PyView& subset);
PyView *filter(const PWOCallable& func);
PyObject *reduce(const PWOCallable& func, PWONumber& start);
void remove(const PyView& indices);
PyView *indices(const PyView& subset);
int computeState(int targetstate);
};
PyObject* PyView_new(PyObject* o, PyObject* _args);
#endif
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