151 lines
4.1 KiB
C++
Executable File
151 lines
4.1 KiB
C++
Executable File
// A general system of converting between native objects and their JavaScript representations
|
|
// Mark Thompson (mark@wildfiregames.com / mot20@cam.ac.uk)
|
|
|
|
#ifndef JSCONVERSIONS_INCLUDED
|
|
#define JSCONVERSIONS_INCLUDED
|
|
|
|
#include "scripting/ScriptingHost.h"
|
|
|
|
class CEntity;
|
|
class HEntity;
|
|
class CBaseEntity;
|
|
class CStrW;
|
|
class CScriptObject;
|
|
class CObjectEntry;
|
|
class CVector3D;
|
|
|
|
// -----
|
|
//
|
|
// Defaults
|
|
//
|
|
// -----
|
|
|
|
template<typename T> T* ToNative( JSContext* cx, JSObject* obj )
|
|
{
|
|
#ifndef NDEBUG
|
|
if( OBJECT_TO_JSVAL( obj ) == JSVAL_NULL )
|
|
return( NULL );
|
|
assert( JS_GetClass( obj ) == &T::JSI_class );
|
|
return( (T*)JS_GetPrivate( cx, obj ) );
|
|
#endif
|
|
return( (T*)JS_GetInstancePrivate( cx, obj, &T::JSI_class, NULL ) );
|
|
}
|
|
|
|
template<typename T> JSObject* ToScript( T* Native )
|
|
{
|
|
if( !Native )
|
|
return( JSVAL_NULL );
|
|
return( Native->GetScript() );
|
|
}
|
|
|
|
template<typename T> T* ToNative( jsval v )
|
|
{
|
|
if( !JSVAL_IS_OBJECT( v ) ) return( NULL );
|
|
return( ToNative<T>( g_ScriptingHost.GetContext(), JSVAL_TO_OBJECT( v ) ) );
|
|
}
|
|
|
|
template<typename T> bool ToPrimitive( JSContext* cx, jsval v, T& Storage )
|
|
{
|
|
T* Native = ToNative<T>( v );
|
|
if( !Native ) return( false );
|
|
Storage = *Native;
|
|
return( true );
|
|
}
|
|
|
|
// Handle pointer-to-objects sensibly (by automatically dereferencing them one level)
|
|
template<typename T> bool ToPrimitive( JSContext* cx, jsval v, T*& Storage )
|
|
{
|
|
T* Native = ToNative<T>( v );
|
|
if( !Native ) return( false );
|
|
Storage = Native;
|
|
return( true );
|
|
}
|
|
|
|
/*
|
|
template<typename T> JSObject* ToScript( T** Native )
|
|
{
|
|
return( ToScript( *Native ) );
|
|
}
|
|
*/
|
|
|
|
template<typename T> inline T ToPrimitive( JSContext* cx, jsval v ) { T Temp; ToPrimitive( cx, v, Temp ); return( Temp ); }
|
|
template<typename T> inline T ToPrimitive( jsval v ) { return( ToPrimitive<T>( g_ScriptingHost.GetContext(), v ) ); }
|
|
|
|
template<typename T> jsval ToJSVal( T& Native )
|
|
{
|
|
return( OBJECT_TO_JSVAL( ToScript<T>( &Native ) ) );
|
|
}
|
|
|
|
template<typename T> jsval ToJSVal( T*& Native )
|
|
{
|
|
return( OBJECT_TO_JSVAL( ToScript<T>( Native ) ) );
|
|
}
|
|
|
|
template<typename T> jsval ToJSVal( const T& Native );
|
|
|
|
// -----
|
|
//
|
|
// Overrides
|
|
//
|
|
// -----
|
|
|
|
// CVector3D
|
|
template<> CVector3D* ToNative<CVector3D>( JSContext* cx, JSObject* obj );
|
|
template<> JSObject* ToScript<CVector3D>( CVector3D* Native );
|
|
|
|
// CBaseEntity
|
|
template<> bool ToPrimitive<CBaseEntity*>( JSContext* cx, jsval v, CBaseEntity*& Storage );
|
|
template<> JSObject* ToScript<CBaseEntity*>( CBaseEntity** Native );
|
|
|
|
// CObjectEntry
|
|
template<> bool ToPrimitive<CObjectEntry>( JSContext* cx, jsval v, CObjectEntry*& Storage );
|
|
template<> jsval ToJSVal<CObjectEntry>( CObjectEntry*& Native );
|
|
|
|
// HEntity
|
|
template<> HEntity* ToNative<HEntity>( JSContext* cx, JSObject* obj );
|
|
template<> JSObject* ToScript<HEntity>( HEntity* Native );
|
|
|
|
// CScriptObject
|
|
template<> bool ToPrimitive<CScriptObject>( JSContext* cx, jsval v, CScriptObject& Storage );
|
|
template<> jsval ToJSVal<CScriptObject>( CScriptObject& Native );
|
|
|
|
// int
|
|
template<> bool ToPrimitive<int>( JSContext* cx, jsval v, int& Storage );
|
|
template<> jsval ToJSVal<int>( const int& Native );
|
|
template<> jsval ToJSVal<int>( int& Native );
|
|
|
|
// uint
|
|
template<> bool ToPrimitive<uint>( JSContext* cx, jsval v, uint& Storage );
|
|
template<> jsval ToJSVal<uint>( const uint& Native );
|
|
template<> jsval ToJSVal<uint>( uint& Native );
|
|
|
|
// double
|
|
template<> bool ToPrimitive<double>( JSContext* cx, jsval v, double& Storage );
|
|
template<> jsval ToJSVal<double>( const double& Native );
|
|
template<> jsval ToJSVal<double>( double& Native );
|
|
|
|
// float
|
|
template<> bool ToPrimitive<float>( JSContext* cx, jsval v, float& Storage );
|
|
template<> jsval ToJSVal<float>( const float& Native );
|
|
template<> jsval ToJSVal<float>( float& Native );
|
|
|
|
// bool
|
|
template<> bool ToPrimitive<bool>( JSContext* cx, jsval v, bool& Storage );
|
|
template<> jsval ToJSVal<bool>( const bool& Native );
|
|
template<> jsval ToJSVal<bool>( bool& Native );
|
|
|
|
// CStrW
|
|
template<> bool ToPrimitive<CStrW>( JSContext* cx, jsval v, CStrW& Storage );
|
|
template<> jsval ToJSVal<CStrW>( const CStrW& Native );
|
|
template<> jsval ToJSVal<CStrW>( CStrW& Native );
|
|
|
|
// jsval
|
|
|
|
template<> jsval ToJSVal<jsval>( const jsval& Native );
|
|
|
|
|
|
|
|
|
|
|
|
#endif
|