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/*
-*-c++-*-
Copyright (C) 2015-2016 LiveCode Ltd.
This file is part of LiveCode.
LiveCode is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License v3 as published by the Free
Software Foundation.
LiveCode 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 LiveCode. If not see <http://www.gnu.org/licenses/>.
*/
#
ifndef
__MC_SCRIPT_AUTO__
#
define
__MC_SCRIPT_AUTO__
#
include
"
script.h
"
#
include
"
foundation-span.h
"
/* ================================================================ */
template
<
typename
T, T (*
REF
)(T),
void
(*
UNREF
)(T)>
class
MCAutoScriptObjectRefBase
{
public:
MCAutoScriptObjectRefBase
(
void
)
: m_value(nil)
{}
explicit
MCAutoScriptObjectRefBase
(T p_value)
: m_value(nil)
{
if
(nil != p_value)
m_value =
REF
(p_value);
}
~MCAutoScriptObjectRefBase
(
void
)
{
UNREF
(m_value);
}
MCAutoScriptObjectRefBase
operator
= (T value)
{
MCAssert
(nil == m_value);
m_value =
REF
(value);
return
value;
}
T &
operator
& (
void
)
{
MCAssert
(nil == m_value);
return
m_value;
}
T
operator
* (
void
)
const
{
return
m_value;
}
T
Release
(
void
)
{
T t_value = m_value;
m_value = nil;
return
t_value;
}
private:
T m_value;
MCAutoScriptObjectRefBase<T,
REF
,
UNREF
> &
operator
= (MCAutoScriptObjectRefBase<T,
REF
,
UNREF
> & x);
};
typedef
MCAutoScriptObjectRefBase<MCScriptModuleRef, MCScriptRetainModule, MCScriptReleaseModule> MCAutoScriptModuleRef;
typedef
MCAutoScriptObjectRefBase<MCScriptInstanceRef, MCScriptRetainInstance, MCScriptReleaseInstance> MCAutoScriptInstanceRef;
/* ================================================================ */
template
<
typename
T, T (*
REF
)(T),
void
(*
UNREF
)(T)>
class
MCAutoScriptObjectRefArrayBase
{
public:
MCAutoScriptObjectRefArrayBase
(
void
)
: m_values(nil), m_count(
0
)
{}
~MCAutoScriptObjectRefArrayBase
(
void
)
{
if
(nil == m_values)
return
;
for
(
size_t
i =
0
; i < m_count; ++i)
{
UNREF
(m_values[i]);
}
MCMemoryDeleteArray
(m_values);
m_values =
0
;
m_count =
0
;
}
bool
New
(
uindex_t
p_size)
{
MCAssert
(nil == m_values);
return
MCMemoryNewArray
(p_size, m_values, m_count);
}
T*
Ptr
()
{
return
m_values;
}
uindex_t
Size
()
const
{
return
m_count;
}
bool
Resize
(
uindex_t
p_new_count)
{
return
MCMemoryResizeArray
(p_new_count, m_values, m_count);
}
bool
Extend
(
uindex_t
p_new_count)
{
MCAssert
(p_new_count >= m_count);
return
Resize
(p_new_count);
}
bool
Push
(T p_value)
{
if
(!(nil == m_values ?
New
(
1
) :
Extend
(m_count +
1
)))
return
false
;
m_values[m_count -
1
] =
REF
(p_value);
return
true
;
}
MCSpan<T>
Span
()
{
return
MCMakeSpan
(
Ptr
(),
Size
());
}
T &
operator
[] (
const
int
p_index)
{
MCAssert
(nil != m_values);
MCAssert
(p_index >=
0
);
return
m_values[p_index];
}
MCSpan<T>
Release
(
void
)
{
MCSpan<T> t_value =
Span
();
m_values =
nullptr
;
m_count =
0
;
return
t_value;
}
private:
T *m_values;
uindex_t
m_count;
};
typedef
MCAutoScriptObjectRefArrayBase<MCScriptModuleRef, MCScriptRetainModule, MCScriptReleaseModule> MCAutoScriptModuleRefArray;
typedef
MCAutoScriptObjectRefArrayBase<MCScriptInstanceRef, MCScriptRetainInstance, MCScriptReleaseInstance> MCAutoScriptInstanceRefArray;
/*
================================================================
* libscript functions relying on managed-lifetime types
* ================================================================
*
* This header declares some libscript functions in addition to those
* declared in "script.h". These functions rely on the managed
* lifetime types declared in this header but not available in
* "script.h".
*/
/*
----------------------------------------------------------------
* Module-related functions
* ----------------------------------------------------------------
*/
MC_DLLEXPORT
bool
MCScriptCreateModulesFromStream
(MCStreamRef p_stream,
MCAutoScriptModuleRefArray& x_modules);
MC_DLLEXPORT
bool
MCScriptCreateModulesFromData
(MCDataRef p_data,
MCAutoScriptModuleRefArray& x_modules);
#
endif
/*
!__MC_SCRIPT_AUTO__
*/
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