[wxWidgets.git] / include / wx / variant.h

/////////////////////////////////////////////////////////////////////////////
// Name:        variant.h
// Purpose:     wxVariant class, container for any type
// Author:      Julian Smart
// Modified by:
// Created:     10/09/98
// RCS-ID:      $Id$
// Copyright:   (c)
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_VARIANT_H_
#define _WX_VARIANT_H_

#if defined(__GNUG__) && !defined(__APPLE__)
#pragma interface "variant.h"
#endif

#include "wx/defs.h"
#include "wx/object.h"
#include "wx/string.h"
#include "wx/list.h"

#if wxUSE_TIMEDATE
    #include "wx/time.h"
    #include "wx/date.h"
#endif // time/date

#if wxUSE_DATETIME
    #include "wx/datetime.h"
#endif // wxUSE_DATETIME

#if wxUSE_ODBC
    #include "wx/db.h"  // will #include sqltypes.h
#endif //ODBC

#include "wx/iosfwrap.h"

/*
 * wxVariantData stores the actual data in a wxVariant object,
 * to allow it to store any type of data.
 * Derive from this to provide custom data handling.
 *
 * TODO: in order to replace wxPropertyValue, we would need
 * to consider adding constructors that take pointers to C++ variables,
 * or removing that functionality from the wxProperty library.
 * Essentially wxPropertyValue takes on some of the wxValidator functionality
 * by storing pointers and not just actual values, allowing update of C++ data
 * to be handled automatically. Perhaps there's another way of doing this without
 * overloading wxVariant with unnecessary functionality.
 */

class WXDLLEXPORT wxVariantData: public wxObject
{
DECLARE_ABSTRACT_CLASS(wxVariantData)
public:

// Construction & destruction
    wxVariantData() {};

// Override these to provide common functionality
    // Copy to data
    virtual void Copy(wxVariantData& data) = 0;
    virtual bool Eq(wxVariantData& data) const = 0;
#if wxUSE_STD_IOSTREAM
    virtual bool Write(wxSTD ostream& str) const = 0;
#endif
    virtual bool Write(wxString& str) const = 0;
#if wxUSE_STD_IOSTREAM
    virtual bool Read(wxSTD istream& str) = 0;
#endif
    virtual bool Read(wxString& str) = 0;
    // What type is it? Return a string name.
    virtual wxString GetType() const = 0;
};

/*
 * wxVariant can store any kind of data, but has some basic types
 * built in.
 * NOTE: this eventually should have a reference-counting implementation.
 * PLEASE, if you change it to ref-counting, make sure it doesn't involve bloating
 * this class too much.
 */

class WXDLLEXPORT wxVariant: public wxObject
{
DECLARE_DYNAMIC_CLASS(wxVariant)
public:

// Construction & destruction
    wxVariant();
    wxVariant(double val, const wxString& name = wxEmptyString);
    wxVariant(long val, const wxString& name = wxEmptyString);
#ifdef HAVE_BOOL
    wxVariant(bool val, const wxString& name = wxEmptyString);
#endif
    wxVariant(char val, const wxString& name = wxEmptyString);
    wxVariant(const wxString& val, const wxString& name = wxEmptyString);
    wxVariant(const wxChar* val, const wxString& name = wxEmptyString); // Necessary or VC++ assumes bool!
    wxVariant(const wxStringList& val, const wxString& name = wxEmptyString);
    wxVariant(const wxList& val, const wxString& name = wxEmptyString); // List of variants
// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
    wxVariant(const wxTime& val, const wxString& name = wxEmptyString); // Time
    wxVariant(const wxDate& val, const wxString& name = wxEmptyString); // Date
#endif
    wxVariant(void* ptr, const wxString& name = wxEmptyString); // void* (general purpose)
    wxVariant(wxVariantData* data, const wxString& name = wxEmptyString); // User-defined data
//TODO: Need to document
#if wxUSE_DATETIME
    wxVariant(const wxDateTime& val, const wxString& name = wxEmptyString); // Date
#endif // wxUSE_DATETIME
    wxVariant(const wxArrayString& val, const wxString& name = wxEmptyString); // String array
#if wxUSE_ODBC
    wxVariant(const DATE_STRUCT* valptr, const wxString& name = wxEmptyString); // DateTime
    wxVariant(const TIME_STRUCT* valptr, const wxString& name = wxEmptyString); // DateTime
    wxVariant(const TIMESTAMP_STRUCT* valptr, const wxString& name = wxEmptyString); // DateTime
#endif
//TODO: End of Need to document
    
    wxVariant(const wxVariant& variant);
    ~wxVariant();

// Generic operators
    // Assignment
    void operator= (const wxVariant& variant);

//TODO: Need to document
#if wxUSE_DATETIME
    bool operator== (const wxDateTime& value) const;
    bool operator!= (const wxDateTime& value) const;
    void operator= (const wxDateTime& value) ;
#endif // wxUSE_DATETIME

    bool operator== (const wxArrayString& value) const;
    bool operator!= (const wxArrayString& value) const;
    void operator= (const wxArrayString& value) ;
#if wxUSE_ODBC
    void operator= (const DATE_STRUCT* value) ;
    void operator= (const TIME_STRUCT* value) ;
    void operator= (const TIMESTAMP_STRUCT* value) ;
#endif
//TODO: End of Need to document

    // Assignment using data, e.g.
    // myVariant = new wxStringVariantData("hello");
    void operator= (wxVariantData* variantData);
    bool operator== (const wxVariant& variant) const;
    bool operator!= (const wxVariant& variant) const;

// Specific operators
    bool operator== (double value) const;
    bool operator!= (double value) const;
    void operator= (double value) ;
    bool operator== (long value) const;
    bool operator!= (long value) const;
    void operator= (long value) ;
    bool operator== (char value) const;
    bool operator!= (char value) const;
    void operator= (char value) ;
#ifdef HAVE_BOOL
    bool operator== (bool value) const;
    bool operator!= (bool value) const;
    void operator= (bool value) ;
#endif
    bool operator== (const wxString& value) const;
    bool operator!= (const wxString& value) const;
    void operator= (const wxString& value) ;
    void operator= (const wxChar* value) ; // Necessary or VC++ assumes bool!
    bool operator== (const wxStringList& value) const;
    bool operator!= (const wxStringList& value) const;
    void operator= (const wxStringList& value) ;
    bool operator== (const wxList& value) const;
    bool operator!= (const wxList& value) const;
    void operator= (const wxList& value) ;
// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
    bool operator== (const wxTime& value) const;
    bool operator!= (const wxTime& value) const;
    void operator= (const wxTime& value) ;
    bool operator== (const wxDate& value) const;
    bool operator!= (const wxDate& value) const;
    void operator= (const wxDate& value) ;
#endif
    bool operator== (void* value) const;
    bool operator!= (void* value) const;
    void operator= (void* value) ;

    // Treat a list variant as an array
    wxVariant operator[] (size_t idx) const;
    wxVariant& operator[] (size_t idx) ;

    // Implicit conversion to a wxString
    inline operator wxString () const {  return MakeString(); }
    wxString MakeString() const;

    // Other implicit conversions
    inline operator double () const {  return GetDouble(); }
    inline operator char () const {  return GetChar(); }
    inline operator long () const {  return GetLong(); }
    inline operator bool () const {  return GetBool(); }
// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
    inline operator wxTime () const {  return GetTime(); }
    inline operator wxDate () const {  return GetDate(); }
#endif
    inline operator void* () const {  return GetVoidPtr(); }
//TODO: Need to document
#if wxUSE_DATETIME
    inline operator wxDateTime () const { return GetDateTime(); }
#endif // wxUSE_DATETIME
//TODO: End of Need to document

// Accessors
    // Sets/gets name
    inline void SetName(const wxString& name) { m_name = name; }
    inline const wxString& GetName() const { return m_name; }

    // Tests whether there is data
    inline bool IsNull() const { return (m_data == (wxVariantData*) NULL); }

    wxVariantData* GetData() const { return m_data; }
    void SetData(wxVariantData* data) ;

    // Returns a string representing the type of the variant,
    // e.g. "string", "bool", "stringlist", "list", "double", "long"
    wxString GetType() const;

    bool IsType(const wxString& type) const;

    // Return the number of elements in a list
    int GetCount() const;

// Value accessors
    double GetReal() const ;
    inline double GetDouble() const { return GetReal(); };
    long GetInteger() const ;
    inline long GetLong() const { return GetInteger(); };
    char GetChar() const ;
    bool GetBool() const ;
    wxString GetString() const ;
    wxList& GetList() const ;
    wxStringList& GetStringList() const ;

// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
    wxTime GetTime() const ;
    wxDate GetDate() const ;
#endif
    void* GetVoidPtr() const ;
//TODO: Need to document
#if wxUSE_DATETIME
    wxDateTime GetDateTime() const ;
#endif // wxUSE_DATETIME
    wxArrayString GetArrayString() const;
//TODO: End of Need to document

// Operations
    // Make NULL (i.e. delete the data)
    void MakeNull();

    // Make empty list
    void NullList();

    // Append to list
    void Append(const wxVariant& value);

    // Insert at front of list
    void Insert(const wxVariant& value);

    // Returns TRUE if the variant is a member of the list
    bool Member(const wxVariant& value) const;

    // Deletes the nth element of the list
    bool Delete(int item);

    // Clear list
    void ClearList();

// Implementation
public:
// Type conversion
    bool Convert(long* value) const;
    bool Convert(bool* value) const;
    bool Convert(double* value) const;
    bool Convert(wxString* value) const;
    bool Convert(char* value) const;
// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
    bool Convert(wxTime* value) const;
    bool Convert(wxDate* value) const;
#endif
//TODO: Need to document
#if wxUSE_DATETIME
    bool Convert(wxDateTime* value) const;
#endif // wxUSE_DATETIME
//TODO: End of Need to document

// Attributes
protected:
    wxVariantData*  m_data;
    wxString        m_name;
};

extern wxVariant WXDLLEXPORT wxNullVariant;

#endif
    // _WX_VARIANT_H_
Commit	Line	Data
8cb50e4b JS	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: variant.h
	3	// Purpose: wxVariant class, container for any type
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 10/09/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c)
3f4a0c5b	9	// Licence: wxWindows licence
8cb50e4b JS	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _WX_VARIANT_H_
	13	#define _WX_VARIANT_H_
	14
af49c4b8	15	#if defined(__GNUG__) && !defined(__APPLE__)
8cb50e4b JS	16	#pragma interface "variant.h"
	17	#endif
	18
	19	#include "wx/defs.h"
	20	#include "wx/object.h"
	21	#include "wx/string.h"
	22	#include "wx/list.h"
	23
a0a302dc	24	#if wxUSE_TIMEDATE
3f4a0c5b VZ	25	#include "wx/time.h"
	26	#include "wx/date.h"
	27	#endif // time/date
a0a302dc	28
e2b87f38 VZ	29	#if wxUSE_DATETIME
	30	#include "wx/datetime.h"
	31	#endif // wxUSE_DATETIME
edca7a82 GT	32
	33	#if wxUSE_ODBC
	34	#include "wx/db.h" // will #include sqltypes.h
	35	#endif //ODBC
	36
65f19af1	37	#include "wx/iosfwrap.h"
8cb50e4b JS	38
	39	/*
	40	* wxVariantData stores the actual data in a wxVariant object,
	41	* to allow it to store any type of data.
	42	* Derive from this to provide custom data handling.
	43	*
	44	* TODO: in order to replace wxPropertyValue, we would need
	45	* to consider adding constructors that take pointers to C++ variables,
	46	* or removing that functionality from the wxProperty library.
	47	* Essentially wxPropertyValue takes on some of the wxValidator functionality
	48	* by storing pointers and not just actual values, allowing update of C++ data
	49	* to be handled automatically. Perhaps there's another way of doing this without
	50	* overloading wxVariant with unnecessary functionality.
	51	*/
	52
	53	class WXDLLEXPORT wxVariantData: public wxObject
	54	{
	55	DECLARE_ABSTRACT_CLASS(wxVariantData)
	56	public:
	57
	58	// Construction & destruction
	59	wxVariantData() {};
	60
	61	// Override these to provide common functionality
	62	// Copy to data
	63	virtual void Copy(wxVariantData& data) = 0;
	64	virtual bool Eq(wxVariantData& data) const = 0;
38830220	65	#if wxUSE_STD_IOSTREAM
dd107c50	66	virtual bool Write(wxSTD ostream& str) const = 0;
38830220	67	#endif
8cb50e4b	68	virtual bool Write(wxString& str) const = 0;
38830220	69	#if wxUSE_STD_IOSTREAM
dd107c50	70	virtual bool Read(wxSTD istream& str) = 0;
38830220	71	#endif
8cb50e4b JS	72	virtual bool Read(wxString& str) = 0;
	73	// What type is it? Return a string name.
	74	virtual wxString GetType() const = 0;
	75	};
	76
	77	/*
	78	* wxVariant can store any kind of data, but has some basic types
	79	* built in.
	80	* NOTE: this eventually should have a reference-counting implementation.
	81	* PLEASE, if you change it to ref-counting, make sure it doesn't involve bloating
	82	* this class too much.
	83	*/
	84
	85	class WXDLLEXPORT wxVariant: public wxObject
	86	{
	87	DECLARE_DYNAMIC_CLASS(wxVariant)
	88	public:
	89
	90	// Construction & destruction
	91	wxVariant();
e90c1d2a VZ	92	wxVariant(double val, const wxString& name = wxEmptyString);
e90c1d2a VZ	93	wxVariant(long val, const wxString& name = wxEmptyString);
57493f9f	94	#ifdef HAVE_BOOL
e90c1d2a	95	wxVariant(bool val, const wxString& name = wxEmptyString);
57493f9f	96	#endif
e90c1d2a VZ	97	wxVariant(char val, const wxString& name = wxEmptyString);
	98	wxVariant(const wxString& val, const wxString& name = wxEmptyString);
	99	wxVariant(const wxChar* val, const wxString& name = wxEmptyString); // Necessary or VC++ assumes bool!
	100	wxVariant(const wxStringList& val, const wxString& name = wxEmptyString);
	101	wxVariant(const wxList& val, const wxString& name = wxEmptyString); // List of variants
457e6c54 JS	102	// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
457e6c54 JS	103	#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
e90c1d2a VZ	104	wxVariant(const wxTime& val, const wxString& name = wxEmptyString); // Time
e90c1d2a VZ	105	wxVariant(const wxDate& val, const wxString& name = wxEmptyString); // Date
a0a302dc	106	#endif
e90c1d2a VZ	107	wxVariant(void* ptr, const wxString& name = wxEmptyString); // void* (general purpose)
e90c1d2a VZ	108	wxVariant(wxVariantData* data, const wxString& name = wxEmptyString); // User-defined data
edca7a82	109	//TODO: Need to document
e2b87f38	110	#if wxUSE_DATETIME
edca7a82	111	wxVariant(const wxDateTime& val, const wxString& name = wxEmptyString); // Date
e2b87f38	112	#endif // wxUSE_DATETIME
fb42d7c3	113	wxVariant(const wxArrayString& val, const wxString& name = wxEmptyString); // String array
edca7a82 GT	114	#if wxUSE_ODBC
	115	wxVariant(const DATE_STRUCT* valptr, const wxString& name = wxEmptyString); // DateTime
	116	wxVariant(const TIME_STRUCT* valptr, const wxString& name = wxEmptyString); // DateTime
	117	wxVariant(const TIMESTAMP_STRUCT* valptr, const wxString& name = wxEmptyString); // DateTime
	118	#endif
	119	//TODO: End of Need to document
	120
8cb50e4b	121	wxVariant(const wxVariant& variant);
8cb50e4b JS	122	~wxVariant();
	123
	124	// Generic operators
	125	// Assignment
	126	void operator= (const wxVariant& variant);
	127
edca7a82	128	//TODO: Need to document
e2b87f38	129	#if wxUSE_DATETIME
edca7a82 GT	130	bool operator== (const wxDateTime& value) const;
	131	bool operator!= (const wxDateTime& value) const;
	132	void operator= (const wxDateTime& value) ;
e2b87f38	133	#endif // wxUSE_DATETIME
fb42d7c3 VZ	134
	135	bool operator== (const wxArrayString& value) const;
	136	bool operator!= (const wxArrayString& value) const;
	137	void operator= (const wxArrayString& value) ;
edca7a82 GT	138	#if wxUSE_ODBC
	139	void operator= (const DATE_STRUCT* value) ;
	140	void operator= (const TIME_STRUCT* value) ;
	141	void operator= (const TIMESTAMP_STRUCT* value) ;
	142	#endif
	143	//TODO: End of Need to document
	144
8cb50e4b JS	145	// Assignment using data, e.g.
	146	// myVariant = new wxStringVariantData("hello");
	147	void operator= (wxVariantData* variantData);
	148	bool operator== (const wxVariant& variant) const;
	149	bool operator!= (const wxVariant& variant) const;
	150
	151	// Specific operators
	152	bool operator== (double value) const;
	153	bool operator!= (double value) const;
	154	void operator= (double value) ;
	155	bool operator== (long value) const;
	156	bool operator!= (long value) const;
	157	void operator= (long value) ;
	158	bool operator== (char value) const;
	159	bool operator!= (char value) const;
	160	void operator= (char value) ;
57493f9f	161	#ifdef HAVE_BOOL
8cb50e4b JS	162	bool operator== (bool value) const;
	163	bool operator!= (bool value) const;
	164	void operator= (bool value) ;
57493f9f	165	#endif
8cb50e4b JS	166	bool operator== (const wxString& value) const;
	167	bool operator!= (const wxString& value) const;
	168	void operator= (const wxString& value) ;
2ed57eb7	169	void operator= (const wxChar* value) ; // Necessary or VC++ assumes bool!
8cb50e4b JS	170	bool operator== (const wxStringList& value) const;
	171	bool operator!= (const wxStringList& value) const;
	172	void operator= (const wxStringList& value) ;
	173	bool operator== (const wxList& value) const;
	174	bool operator!= (const wxList& value) const;
	175	void operator= (const wxList& value) ;
457e6c54 JS	176	// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
457e6c54 JS	177	#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
a0a302dc JS	178	bool operator== (const wxTime& value) const;
	179	bool operator!= (const wxTime& value) const;
	180	void operator= (const wxTime& value) ;
	181	bool operator== (const wxDate& value) const;
	182	bool operator!= (const wxDate& value) const;
	183	void operator= (const wxDate& value) ;
	184	#endif
	185	bool operator== (void* value) const;
	186	bool operator!= (void* value) const;
	187	void operator= (void* value) ;
8cb50e4b JS	188
	189	// Treat a list variant as an array
	190	wxVariant operator[] (size_t idx) const;
	191	wxVariant& operator[] (size_t idx) ;
	192
	193	// Implicit conversion to a wxString
	194	inline operator wxString () const { return MakeString(); }
	195	wxString MakeString() const;
	196
	197	// Other implicit conversions
	198	inline operator double () const { return GetDouble(); }
a0a302dc	199	inline operator char () const { return GetChar(); }
8cb50e4b JS	200	inline operator long () const { return GetLong(); }
8cb50e4b JS	201	inline operator bool () const { return GetBool(); }
457e6c54 JS	202	// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
457e6c54 JS	203	#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
a0a302dc JS	204	inline operator wxTime () const { return GetTime(); }
	205	inline operator wxDate () const { return GetDate(); }
	206	#endif
	207	inline operator void* () const { return GetVoidPtr(); }
edca7a82	208	//TODO: Need to document
e2b87f38	209	#if wxUSE_DATETIME
edca7a82	210	inline operator wxDateTime () const { return GetDateTime(); }
e2b87f38	211	#endif // wxUSE_DATETIME
edca7a82	212	//TODO: End of Need to document
8cb50e4b JS	213
8cb50e4b JS	214	// Accessors
a0a302dc JS	215	// Sets/gets name
	216	inline void SetName(const wxString& name) { m_name = name; }
	217	inline const wxString& GetName() const { return m_name; }
	218
8cb50e4b JS	219	// Tests whether there is data
	220	inline bool IsNull() const { return (m_data == (wxVariantData*) NULL); }
	221
	222	wxVariantData* GetData() const { return m_data; }
	223	void SetData(wxVariantData* data) ;
	224
	225	// Returns a string representing the type of the variant,
	226	// e.g. "string", "bool", "stringlist", "list", "double", "long"
	227	wxString GetType() const;
	228
	229	bool IsType(const wxString& type) const;
	230
	231	// Return the number of elements in a list
	232	int GetCount() const;
	233
	234	// Value accessors
	235	double GetReal() const ;
	236	inline double GetDouble() const { return GetReal(); };
	237	long GetInteger() const ;
	238	inline long GetLong() const { return GetInteger(); };
	239	char GetChar() const ;
	240	bool GetBool() const ;
	241	wxString GetString() const ;
	242	wxList& GetList() const ;
	243	wxStringList& GetStringList() const ;
457e6c54 JS	244
	245	// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
	246	#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
a0a302dc JS	247	wxTime GetTime() const ;
	248	wxDate GetDate() const ;
	249	#endif
	250	void* GetVoidPtr() const ;
edca7a82	251	//TODO: Need to document
e2b87f38	252	#if wxUSE_DATETIME
edca7a82	253	wxDateTime GetDateTime() const ;
e2b87f38	254	#endif // wxUSE_DATETIME
fb42d7c3	255	wxArrayString GetArrayString() const;
edca7a82	256	//TODO: End of Need to document
8cb50e4b JS	257
	258	// Operations
	259	// Make NULL (i.e. delete the data)
	260	void MakeNull();
	261
	262	// Make empty list
	263	void NullList();
	264
	265	// Append to list
	266	void Append(const wxVariant& value);
	267
	268	// Insert at front of list
	269	void Insert(const wxVariant& value);
	270
	271	// Returns TRUE if the variant is a member of the list
	272	bool Member(const wxVariant& value) const;
	273
	274	// Deletes the nth element of the list
	275	bool Delete(int item);
	276
	277	// Clear list
	278	void ClearList();
	279
a0a302dc	280	// Implementation
9708db20	281	public:
8cb50e4b JS	282	// Type conversion
	283	bool Convert(long* value) const;
	284	bool Convert(bool* value) const;
	285	bool Convert(double* value) const;
	286	bool Convert(wxString* value) const;
	287	bool Convert(char* value) const;
457e6c54 JS	288	// For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
457e6c54 JS	289	#if wxUSE_TIMEDATE && !defined(__WATCOMC__)
a0a302dc JS	290	bool Convert(wxTime* value) const;
	291	bool Convert(wxDate* value) const;
	292	#endif
edca7a82	293	//TODO: Need to document
e2b87f38	294	#if wxUSE_DATETIME
edca7a82	295	bool Convert(wxDateTime* value) const;
e2b87f38	296	#endif // wxUSE_DATETIME
edca7a82	297	//TODO: End of Need to document
8cb50e4b JS	298
	299	// Attributes
	300	protected:
	301	wxVariantData* m_data;
a0a302dc	302	wxString m_name;
8cb50e4b JS	303	};
8cb50e4b JS	304
3ba055ac	305	extern wxVariant WXDLLEXPORT wxNullVariant;
a0a302dc	306
8cb50e4b JS	307	#endif
8cb50e4b JS	308	// _WX_VARIANT_H_