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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2012-2021 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave 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 3 of the License, or
// (at your option) any later version.
//
// Octave 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 Octave; see the file COPYING. If not, see
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////
#if ! defined (octave_cdef_property_h)
#define octave_cdef_property_h 1
#include "octave-config.h"
#include <map>
#include <set>
#include <string>
#include "oct-refcount.h"
#include "cdef-object.h"
#include "error.h"
#include "ov.h"
namespace octave
{
class
cdef_property : public cdef_meta_object
{
friend class cdef_class;
private:
class
cdef_property_rep : public cdef_meta_object_rep
{
public:
cdef_property_rep (void) : cdef_meta_object_rep () { }
cdef_property_rep& operator = (const cdef_property_rep& p) = delete;
~cdef_property_rep (void) = default;
cdef_object_rep * copy (void) const
{
return new cdef_property_rep (*this);
}
bool is_property (void) const { return true; }
std::string get_name (void) const { return get("Name").string_value (); }
void set_name (const std::string& nm) { put ("Name", nm); }
bool is_constant (void) const { return get("Constant").bool_value (); }
octave_value get_value (bool do_check_access = true,
const std::string& who = "") const;
octave_value get_value (const cdef_object& obj,
bool do_check_access = true,
const std::string& who = "") const;
void set_value (cdef_object& obj, const octave_value& val,
bool do_check_access = true,
const std::string& who = "");
bool check_get_access (void) const;
bool check_set_access (void) const;
private:
cdef_property_rep (const cdef_property_rep& p)
: cdef_meta_object_rep (p)
{ }
bool is_recursive_set (const cdef_object& obj) const;
cdef_property wrap (void)
{
m_count++;
return cdef_property (this);
}
OCTAVE_NORETURN
void err_property_access (const std::string& from,
bool is_set = false) const;
};
public:
cdef_property (void) : cdef_meta_object () { }
cdef_property (const std::string& nm)
: cdef_meta_object (new cdef_property_rep ())
{
get_rep ()->set_name (nm);
}
cdef_property (const cdef_property& prop) : cdef_meta_object (prop) { }
cdef_property (const cdef_object& obj)
: cdef_meta_object (obj)
{
// This should never happen...
if (! is_property ())
error ("internal error: invalid assignment from %s to meta.property object",
class_name ().c_str ());
}
cdef_property& operator = (const cdef_property& prop)
{
cdef_object::operator = (prop);
return *this;
}
~cdef_property (void) = default;
octave_value get_value (const cdef_object& obj, bool do_check_access = true,
const std::string& who = "") const
{
return get_rep ()->get_value (obj, do_check_access, who);
}
octave_value get_value (bool do_check_access = true,
const std::string& who = "") const
{
return get_rep ()->get_value (do_check_access, who);
}
void set_value (cdef_object& obj, const octave_value& val,
bool do_check_access = true,
const std::string& who = "")
{
get_rep ()->set_value (obj, val, do_check_access, who);
}
bool check_get_access (void) const
{
return get_rep ()->check_get_access ();
}
bool check_set_access (void) const
{
return get_rep ()->check_set_access ();
}
std::string get_name (void) const { return get_rep ()->get_name (); }
bool is_constant (void) const { return get_rep ()->is_constant (); }
private:
cdef_property_rep * get_rep (void)
{
return dynamic_cast<cdef_property_rep *> (cdef_object::get_rep ());
}
const cdef_property_rep * get_rep (void) const
{
return dynamic_cast<const cdef_property_rep *> (cdef_object::get_rep ());
}
};
}
#endif
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