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Brian Harris
148
neo/swf/SWF_ScriptVar.h
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148
neo/swf/SWF_ScriptVar.h
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/*
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===========================================================================
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Doom 3 BFG Edition GPL Source Code
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Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
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Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#ifndef __SWF_SCRIPTVAR_H__
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#define __SWF_SCRIPTVAR_H__
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class idSWFScriptObject;
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class idSWFScriptFunction;
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/*
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========================
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A reference counted string
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========================
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*/
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class idSWFScriptString : public idStr {
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public:
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idSWFScriptString( const idStr & s ) : idStr( s ), refCount( 1 ) { }
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static idSWFScriptString * Alloc( const idStr & s ) { return new (TAG_SWF) idSWFScriptString( s ); }
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ID_INLINE void AddRef() { refCount++; }
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ID_INLINE void Release() { if ( --refCount == 0 ) { delete this; } }
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private:
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int refCount;
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};
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/*
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========================
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A variable in an action script
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these can be on the stack, in a script object, passed around as parameters, etc
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they can contain raw data (int, float), strings, functions, or objects
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========================
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*/
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class idSWFScriptVar {
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public:
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idSWFScriptVar() : type( SWF_VAR_UNDEF ) { }
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idSWFScriptVar( const idSWFScriptVar & other );
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idSWFScriptVar( idSWFScriptObject * o ) : type( SWF_VAR_UNDEF ) { SetObject( o ); }
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idSWFScriptVar( idStrId s ) : type( SWF_VAR_UNDEF ) { SetString( s ); }
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idSWFScriptVar( const idStr & s ) : type( SWF_VAR_UNDEF ) { SetString( s ); }
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idSWFScriptVar( const char * s ) : type( SWF_VAR_UNDEF ) { SetString( idStr( s ) ); }
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idSWFScriptVar( float f ) : type( SWF_VAR_UNDEF ) { SetFloat( f ); }
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idSWFScriptVar( bool b ) : type( SWF_VAR_UNDEF ) { SetBool( b ); }
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idSWFScriptVar( int32 i ) : type( SWF_VAR_UNDEF ) { SetInteger( i ); }
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idSWFScriptVar( idSWFScriptFunction * nf ) : type( SWF_VAR_UNDEF ) { SetFunction( nf ); }
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~idSWFScriptVar();
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idSWFScriptVar & operator=( const idSWFScriptVar & other );
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// implements ECMA 262 11.9.3
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bool AbstractEquals( const idSWFScriptVar & other );
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bool StrictEquals( const idSWFScriptVar & other );
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void SetString( idStrId s ) { Free(); type = SWF_VAR_STRINGID; value.i = s.GetIndex(); }
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void SetString( const idStr & s ) { Free(); type = SWF_VAR_STRING; value.string = idSWFScriptString::Alloc( s ); }
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void SetString( const char * s ) { Free(); type = SWF_VAR_STRING; value.string = idSWFScriptString::Alloc( s ); }
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void SetString( idSWFScriptString * s ) { Free(); type = SWF_VAR_STRING; value.string = s; s->AddRef(); }
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void SetFloat( float f ) { Free(); type = SWF_VAR_FLOAT; value.f = f; }
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void SetNULL() { Free(); type = SWF_VAR_NULL; }
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void SetUndefined() { Free(); type = SWF_VAR_UNDEF; }
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void SetBool( bool b ) { Free(); type = SWF_VAR_BOOL; value.b = b; }
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void SetInteger( int32 i ) { Free(); type = SWF_VAR_INTEGER; value.i = i; }
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void SetObject( idSWFScriptObject * o );
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void SetFunction( idSWFScriptFunction * f );
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idStr ToString() const;
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float ToFloat() const;
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bool ToBool() const;
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int32 ToInteger() const;
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idSWFScriptObject * GetObject() { assert( type == SWF_VAR_OBJECT ); return value.object; }
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idSWFScriptObject * GetObject() const { assert( type == SWF_VAR_OBJECT ); return value.object; }
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idSWFScriptFunction * GetFunction() { assert( type == SWF_VAR_FUNCTION ); return value.function; }
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idSWFSpriteInstance * ToSprite();
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idSWFTextInstance * ToText();
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idSWFScriptVar GetNestedVar( const char * arg1, const char * arg2 = NULL, const char * arg3 = NULL, const char * arg4 = NULL, const char * arg5 = NULL, const char * arg6 = NULL );
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idSWFScriptObject * GetNestedObj( const char * arg1, const char * arg2 = NULL, const char * arg3 = NULL, const char * arg4 = NULL, const char * arg5 = NULL, const char * arg6 = NULL );
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idSWFSpriteInstance * GetNestedSprite( const char * arg1, const char * arg2 = NULL, const char * arg3 = NULL, const char * arg4 = NULL, const char * arg5 = NULL, const char * arg6 = NULL );
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idSWFTextInstance * GetNestedText( const char * arg1, const char * arg2 = NULL, const char * arg3 = NULL, const char * arg4 = NULL, const char * arg5 = NULL, const char * arg6 = NULL );
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const char * TypeOf() const;
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// debug print of this variable to the console
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void PrintToConsole() const;
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bool IsString() const { return ( type == SWF_VAR_STRING ) || ( type == SWF_VAR_STRINGID ); }
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bool IsNULL() const { return ( type == SWF_VAR_NULL ); }
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bool IsUndefined() const { return ( type == SWF_VAR_UNDEF ); }
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bool IsValid() const { return ( type != SWF_VAR_UNDEF ) && ( type != SWF_VAR_NULL ); }
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bool IsFunction() const { return ( type == SWF_VAR_FUNCTION ); }
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bool IsObject() const { return ( type == SWF_VAR_OBJECT ); }
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bool IsNumeric() const { return ( type == SWF_VAR_FLOAT ) || ( type == SWF_VAR_INTEGER ) || ( type == SWF_VAR_BOOL ); }
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enum swfScriptVarType {
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SWF_VAR_STRINGID,
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SWF_VAR_STRING,
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SWF_VAR_FLOAT,
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SWF_VAR_NULL,
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SWF_VAR_UNDEF,
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SWF_VAR_BOOL,
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SWF_VAR_INTEGER,
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SWF_VAR_FUNCTION,
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SWF_VAR_OBJECT
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};
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swfScriptVarType GetType() const { return type; }
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private:
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void Free();
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swfScriptVarType type;
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union swfScriptVarValue_t {
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float f;
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int32 i;
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bool b;
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idSWFScriptObject * object;
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idSWFScriptString * string;
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idSWFScriptFunction * function;
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} value;
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};
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#endif // !__SWF_SCRIPTVAR_H__
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