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/*
 * The contents of this file is dual-licensed under 2
 * alternative Open Source/Free licenses: LGPL 2.1 or later and
 * Apache License 2.0. (starting with JNA version 4.0.0).
 *
 * You can freely decide which license you want to apply to
 * the project.
 *
 * You may obtain a copy of the LGPL License at:
 *
 * http://www.gnu.org/licenses/licenses.html
 *
 * A copy is also included in the downloadable source code package
 * containing JNA, in file "LGPL2.1".
 *
 * You may obtain a copy of the Apache License at:
 *
 * http://www.apache.org/licenses/
 *
 * A copy is also included in the downloadable source code package
 * containing JNA, in file "AL2.0".
 */
package com.sun.jna.platform.win32;

import java.util.Date;

import com.sun.jna.Pointer;
import com.sun.jna.Structure;
import com.sun.jna.Structure.FieldOrder;
import com.sun.jna.Union;
import com.sun.jna.platform.win32.OaIdl.CURRENCY;
import com.sun.jna.platform.win32.OaIdl.DATE;
import com.sun.jna.platform.win32.OaIdl.DECIMAL;
import com.sun.jna.platform.win32.OaIdl.SAFEARRAY;
import com.sun.jna.platform.win32.OaIdl.VARIANT_BOOL;
import com.sun.jna.platform.win32.OaIdl.VARIANT_BOOLByReference;
import com.sun.jna.platform.win32.OaIdl._VARIANT_BOOLByReference;
import com.sun.jna.platform.win32.WTypes.BSTR;
import com.sun.jna.platform.win32.WTypes.VARTYPE;
import com.sun.jna.platform.win32.WinDef.BOOL;
import com.sun.jna.platform.win32.WinDef.BYTE;
import com.sun.jna.platform.win32.WinDef.CHAR;
import com.sun.jna.platform.win32.WinDef.CHARByReference;
import com.sun.jna.platform.win32.WinDef.LONG;
import com.sun.jna.platform.win32.WinDef.LONGByReference;
import com.sun.jna.platform.win32.WinDef.LONGLONG;
import com.sun.jna.platform.win32.WinDef.LONGLONGByReference;
import com.sun.jna.platform.win32.WinDef.PVOID;
import com.sun.jna.platform.win32.WinDef.SCODE;
import com.sun.jna.platform.win32.WinDef.SCODEByReference;
import com.sun.jna.platform.win32.WinDef.SHORT;
import com.sun.jna.platform.win32.WinDef.UINT;
import com.sun.jna.platform.win32.WinDef.UINTByReference;
import com.sun.jna.platform.win32.WinDef.ULONG;
import com.sun.jna.platform.win32.WinDef.ULONGByReference;
import com.sun.jna.platform.win32.WinDef.ULONGLONG;
import com.sun.jna.platform.win32.WinDef.ULONGLONGByReference;
import com.sun.jna.platform.win32.WinDef.USHORT;
import com.sun.jna.platform.win32.WinDef.USHORTByReference;
import com.sun.jna.platform.win32.COM.Dispatch;
import com.sun.jna.platform.win32.COM.IDispatch;
import com.sun.jna.platform.win32.COM.Unknown;
import com.sun.jna.platform.win32.OaIdl.SAFEARRAYByReference;
import com.sun.jna.platform.win32.WTypes.BSTRByReference;
import com.sun.jna.ptr.ByteByReference;
import com.sun.jna.ptr.DoubleByReference;
import com.sun.jna.ptr.FloatByReference;
import com.sun.jna.ptr.IntByReference;
import com.sun.jna.ptr.ShortByReference;

public interface Variant {

    public static int VT_EMPTY = 0;
    public static int VT_NULL = 1;
    public static int VT_I2 = 2;
    public static int VT_I4 = 3;
    public static int VT_R4 = 4;
    public static int VT_R8 = 5;
    public static int VT_CY = 6;
    public static int VT_DATE = 7;
    public static int VT_BSTR = 8;
    public static int VT_DISPATCH = 9;
    public static int VT_ERROR = 10;
    public static int VT_BOOL = 11;
    public static int VT_VARIANT = 12;
    public static int VT_UNKNOWN = 13;
    public static int VT_DECIMAL = 14;
    public static int VT_I1 = 16;
    public static int VT_UI1 = 17;
    public static int VT_UI2 = 18;
    public static int VT_UI4 = 19;
    public static int VT_I8 = 20;
    public static int VT_UI8 = 21;
    public static int VT_INT = 22;
    public static int VT_UINT = 23;
    public static int VT_VOID = 24;
    public static int VT_HRESULT = 25;
    public static int VT_PTR = 26;
    public static int VT_SAFEARRAY = 27;
    public static int VT_CARRAY = 28;
    public static int VT_USERDEFINED = 29;
    public static int VT_LPSTR = 30;
    public static int VT_LPWSTR = 31;
    public static int VT_RECORD = 36;
    public static int VT_INT_PTR = 37;
    public static int VT_UINT_PTR = 38;
    public static int VT_FILETIME = 64;
    public static int VT_BLOB = 65;
    public static int VT_STREAM = 66;
    public static int VT_STORAGE = 67;
    public static int VT_STREAMED_OBJECT = 68;
    public static int VT_STORED_OBJECT = 69;
    public static int VT_BLOB_OBJECT = 70;
    public static int VT_CF = 71;
    public static int VT_CLSID = 72;
    public static int VT_VERSIONED_STREAM = 73;
    public static int VT_BSTR_BLOB = 0xfff;
    public static int VT_VECTOR = 0x1000;
    public static int VT_ARRAY = 0x2000;
    public static int VT_BYREF = 0x4000;
    public static int VT_RESERVED = 0x8000;
    public static int VT_ILLEGAL = 0xffff;
    public static int VT_ILLEGALMASKED = 0xfff;
    public static int VT_TYPEMASK = 0xfff;

    public static VARIANT_BOOL VARIANT_TRUE = new VARIANT_BOOL(0xFFFF);
    public static VARIANT_BOOL VARIANT_FALSE = new VARIANT_BOOL(0x0000);

    public static class VARIANT extends Union {

        public static class ByReference extends VARIANT implements
                Structure.ByReference {
            public ByReference(VARIANT variant) {
                setValue(variant.getVarType(), variant.getValue());
            }

            public ByReference(Pointer variant) {
                super(variant);
            }

            public ByReference() {
                super();
            }
        }

        public static class ByValue extends VARIANT implements
                Structure.ByValue {
            public ByValue(VARIANT variant) {
                setValue(variant.getVarType(), variant.getValue());
            }

            public ByValue(Pointer variant) {
                super(variant);
            }

            public ByValue() {
                super();
            }
        }

        public static final VARIANT VARIANT_MISSING;

        static {
            VARIANT_MISSING = new VARIANT();
            VARIANT_MISSING.setValue(VT_ERROR, new SCODE(WinError.DISP_E_PARAMNOTFOUND));
        }

        public _VARIANT _variant;

        public DECIMAL decVal;

        public VARIANT() {
            this.setType("_variant");
            this.read();
        }

        public VARIANT(Pointer pointer) {
            super(pointer);
            this.setType("_variant");
            this.read();
        }

        public VARIANT(BSTR value) {
            this();
            this.setValue(VT_BSTR, value);
        }

        public VARIANT(BSTRByReference value) {
            this();
            this.setValue(VT_BSTR | VT_BYREF, value);
        }

        public VARIANT(VARIANT_BOOL value) {
            this();
            this.setValue(VT_BOOL, value);
        }

        public VARIANT(BOOL value) {
            this(value.booleanValue());
        }

        public VARIANT(LONG value) {
            this();
            this.setValue(VT_I4, value);
        }

        public VARIANT(SHORT value) {
            this();
            this.setValue(VT_I2, value);
        }

        public VARIANT(DATE value) {
            this();
            this.setValue(VT_DATE, value);
        }

        public VARIANT(byte value) {
            this(new BYTE(value));
        }

        public VARIANT(BYTE value) {
            this();
            this.setValue(Variant.VT_UI1, value);
        }

        public VARIANT(char value) {
            this();
            this.setValue(VT_UI2, new USHORT(value));
        }

        public VARIANT(CHAR value) {
            this();
            this.setValue(Variant.VT_I1, value);
        }

        public VARIANT(short value) {
            this();
            this.setValue(VT_I2, new SHORT(value));
        }

        public VARIANT(int value) {
            this();
            this.setValue(VT_I4, new LONG(value));
        }

        public VARIANT(IntByReference value) {
            this();
            this.setValue(VT_INT | VT_BYREF, value);
        }

        public VARIANT(long value) {
            this();
            this.setValue(VT_I8, new LONGLONG(value));
        }

        public VARIANT(float value) {
            this();
            this.setValue(VT_R4, value);
        }

        public VARIANT(double value) {
            this();
            this.setValue(VT_R8, value);
        }

        /**
         * Create a new VARIANT wrapping the supplied string.
         *
         * 

Implementation note: the string is wrapped as a BSTR value, * that is allocated using {@link com.sun.jna.platform.win32.OleAuto#SysAllocString} * and needs to be freed using * {@link com.sun.jna.platform.win32.OleAuto#SysFreeString} by the user

* * @param value to be wrapped */ public VARIANT(String value) { this(); BSTR bstrValue = OleAuto.INSTANCE.SysAllocString(value); this.setValue(VT_BSTR, bstrValue); } public VARIANT(boolean value) { this(); this.setValue(VT_BOOL, new VARIANT_BOOL(value)); } /** * @deprecated Use {@link #VARIANT(com.sun.jna.platform.win32.COM.Dispatch)} */ @Deprecated public VARIANT(IDispatch value) { this(); this.setValue(Variant.VT_DISPATCH, value); } public VARIANT(Dispatch value) { this(); this.setValue(Variant.VT_DISPATCH, value); } public VARIANT(Date value) { this(); this.setValue(VT_DATE, new DATE(value)); } public VARIANT(SAFEARRAY array) { this(); this.setValue(array); } public VARIANT(SAFEARRAYByReference array) { this(); this.setValue(array); } public VARTYPE getVarType() { this.read(); return _variant.vt; } public void setVarType(short vt) { this._variant.vt = new VARTYPE(vt); } public void setValue(int vt, Object value) { this.setValue(new VARTYPE(vt), value); } public void setValue(SAFEARRAY array) { this.setValue(array.getVarType().intValue() | VT_ARRAY, array); } public void setValue(SAFEARRAYByReference array) { this.setValue(array.pSAFEARRAY.getVarType().intValue() | VT_ARRAY | VT_BYREF, array); } public void setValue(VARTYPE vt, Object value) { int varType = vt.intValue(); switch (varType) { case VT_UI1: this._variant.__variant.writeField("bVal", value); break; case VT_I2: this._variant.__variant.writeField("iVal", value); break; case VT_I4: this._variant.__variant.writeField("lVal", value); break; case VT_I8: this._variant.__variant.writeField("llVal", value); break; case VT_R4: this._variant.__variant.writeField("fltVal", value); break; case VT_R8: this._variant.__variant.writeField("dblVal", value); break; case VT_BOOL: this._variant.__variant.writeField("boolVal", value); break; case VT_ERROR: this._variant.__variant.writeField("scode", value); break; case VT_CY: this._variant.__variant.writeField("cyVal", value); break; case VT_DATE: this._variant.__variant.writeField("date", value); break; case VT_BSTR: this._variant.__variant.writeField("bstrVal", value); break; case VT_UNKNOWN: this._variant.__variant.writeField("punkVal", value); break; case VT_DISPATCH: this._variant.__variant.writeField("pdispVal", value); break; case VT_BYREF | VT_UI1: this._variant.__variant.writeField("pbVal", value); break; case VT_BYREF | VT_I2: this._variant.__variant.writeField("piVal", value); break; case VT_BYREF | VT_I4: this._variant.__variant.writeField("plVal", value); break; case VT_BYREF | VT_I8: this._variant.__variant.writeField("pllVal", value); break; case VT_BYREF | VT_R4: this._variant.__variant.writeField("pfltVal", value); break; case VT_BYREF | VT_R8: this._variant.__variant.writeField("pdblVal", value); break; case VT_BYREF | VT_BOOL: this._variant.__variant.writeField("pboolVal", value); break; case VT_BYREF | VT_ERROR: this._variant.__variant.writeField("pscode", value); break; case VT_BYREF | VT_CY: this._variant.__variant.writeField("pcyVal", value); break; case VT_BYREF | VT_DATE: this._variant.__variant.writeField("pdate", value); break; case VT_BYREF | VT_BSTR: this._variant.__variant.writeField("pbstrVal", value); break; case VT_BYREF | VT_UNKNOWN: this._variant.__variant.writeField("ppunkVal", value); break; case VT_BYREF | VT_DISPATCH: this._variant.__variant.writeField("ppdispVal", value); break; case VT_BYREF | VT_VARIANT: this._variant.__variant.writeField("pvarVal", value); break; case VT_BYREF: this._variant.__variant.writeField("byref", value); break; case VT_I1: this._variant.__variant.writeField("cVal", value); break; case VT_UI2: this._variant.__variant.writeField("uiVal", value); break; case VT_UI4: this._variant.__variant.writeField("ulVal", value); break; case VT_UI8: this._variant.__variant.writeField("ullVal", value); break; case VT_INT: this._variant.__variant.writeField("intVal", value); break; case VT_UINT: this._variant.__variant.writeField("uintVal", value); break; case VT_BYREF | VT_DECIMAL: this._variant.__variant.writeField("pdecVal", value); break; case VT_BYREF | VT_I1: this._variant.__variant.writeField("pcVal", value); break; case VT_BYREF | VT_UI2: this._variant.__variant.writeField("puiVal", value); break; case VT_BYREF | VT_UI4: this._variant.__variant.writeField("pulVal", value); break; case VT_BYREF | VT_UI8: this._variant.__variant.writeField("pullVal", value); break; case VT_BYREF | VT_INT: this._variant.__variant.writeField("pintVal", value); break; case VT_BYREF | VT_UINT: this._variant.__variant.writeField("puintVal", value); break; case VT_RECORD: this._variant.__variant.writeField("pvRecord", value); break; default: if ((varType & VT_ARRAY) > 0) { if ((varType & VT_BYREF) > 0) { this._variant.__variant.writeField("pparray", value); } else { this._variant.__variant.writeField("parray", value); } } } this._variant.writeField("vt", vt); this.write(); } public Object getValue() { this.read(); int varType = this.getVarType().intValue(); switch (this.getVarType().intValue()) { case VT_UI1: return this._variant.__variant.readField("bVal"); case VT_I2: return this._variant.__variant.readField("iVal"); case VT_I4: return this._variant.__variant.readField("lVal"); case VT_I8: return this._variant.__variant.readField("llVal"); case VT_R4: return this._variant.__variant.readField("fltVal"); case VT_R8: return this._variant.__variant.readField("dblVal"); case VT_BOOL: return this._variant.__variant.readField("boolVal"); case VT_ERROR: return this._variant.__variant.readField("scode"); case VT_CY: return this._variant.__variant.readField("cyVal"); case VT_DATE: return this._variant.__variant.readField("date"); case VT_BSTR: return this._variant.__variant.readField("bstrVal"); case VT_UNKNOWN: return this._variant.__variant.readField("punkVal"); case VT_DISPATCH: return this._variant.__variant.readField("pdispVal"); case VT_BYREF | VT_UI1: return this._variant.__variant.readField("pbVal"); case VT_BYREF | VT_I2: return this._variant.__variant.readField("piVal"); case VT_BYREF | VT_I4: return this._variant.__variant.readField("plVal"); case VT_BYREF | VT_I8: return this._variant.__variant.readField("pllVal"); case VT_BYREF | VT_R4: return this._variant.__variant.readField("pfltVal"); case VT_BYREF | VT_R8: return this._variant.__variant.readField("pdblVal"); case VT_BYREF | VT_BOOL: return this._variant.__variant.readField("pboolVal"); case VT_BYREF | VT_ERROR: return this._variant.__variant.readField("pscode"); case VT_BYREF | VT_CY: return this._variant.__variant.readField("pcyVal"); case VT_BYREF | VT_DATE: return this._variant.__variant.readField("pdate"); case VT_BYREF | VT_BSTR: return this._variant.__variant.readField("pbstrVal"); case VT_BYREF | VT_UNKNOWN: return this._variant.__variant.readField("ppunkVal"); case VT_BYREF | VT_DISPATCH: return this._variant.__variant.readField("ppdispVal"); case VT_BYREF | VT_VARIANT: return this._variant.__variant.readField("pvarVal"); case VT_BYREF: return this._variant.__variant.readField("byref"); case VT_I1: return this._variant.__variant.readField("cVal"); case VT_UI2: return this._variant.__variant.readField("uiVal"); case VT_UI4: return this._variant.__variant.readField("ulVal"); case VT_UI8: return this._variant.__variant.readField("ullVal"); case VT_INT: return this._variant.__variant.readField("intVal"); case VT_UINT: return this._variant.__variant.readField("uintVal"); case VT_BYREF | VT_DECIMAL: return this._variant.__variant.readField("pdecVal"); case VT_BYREF | VT_I1: return this._variant.__variant.readField("pcVal"); case VT_BYREF | VT_UI2: return this._variant.__variant.readField("puiVal"); case VT_BYREF | VT_UI4: return this._variant.__variant.readField("pulVal"); case VT_BYREF | VT_UI8: return this._variant.__variant.readField("pullVal"); case VT_BYREF | VT_INT: return this._variant.__variant.readField("pintVal"); case VT_BYREF | VT_UINT: return this._variant.__variant.readField("puintVal"); case VT_RECORD: return this._variant.__variant.readField("pvRecord"); default: if((varType & VT_ARRAY) > 0) { if((varType & VT_BYREF) > 0) { return this._variant.__variant.readField("pparray"); } else { return this._variant.__variant.readField("parray"); } } return null; } } public byte byteValue() { return ((Number) this.getValue()).byteValue(); } public short shortValue() { return ((Number) this.getValue()).shortValue(); } public int intValue() { return ((Number) this.getValue()).intValue(); } public long longValue() { return ((Number) this.getValue()).longValue(); } public float floatValue() { return ((Number) this.getValue()).floatValue(); } public double doubleValue() { return ((Number) this.getValue()).doubleValue(); } public String stringValue() { BSTR bstr = (BSTR) this.getValue(); if(bstr == null) { return null; } else { return bstr.getValue(); } } public boolean booleanValue() { // getValue returns a VARIANT_BOOL return ((VARIANT_BOOL) this.getValue()).booleanValue(); } public Date dateValue() { DATE varDate = (DATE) this.getValue(); if(varDate == null) { return null; } else { return varDate.getAsJavaDate(); } } @FieldOrder({"vt", "wReserved1", "wReserved2", "wReserved3", "__variant"}) public static class _VARIANT extends Structure { public static class __VARIANT extends Union { @FieldOrder({"pvRecord", "pRecInfo"}) public static class BRECORD extends Structure { public static class ByReference extends BRECORD implements Structure.ByReference { } public PVOID pvRecord; public Pointer pRecInfo; public BRECORD() { super(); } public BRECORD(Pointer pointer) { super(pointer); } } // LONGLONG VT_I8 public LONGLONG llVal; // LONG VT_I4 public LONG lVal; // BYTE VT_UI1 public BYTE bVal; // SHORT VT_I2 public SHORT iVal; // FLOAT VT_R4 public Float fltVal; // DOUBLE VT_R8 public Double dblVal; // VARIANT_BOOL VT_BOOL public VARIANT_BOOL boolVal; // SCODE VT_ERROR public SCODE scode; // CY VT_CY public CURRENCY cyVal; // DATE VT_DATE public DATE date; // BSTR VT_BSTR public BSTR bstrVal; // IUnknown * VT_UNKNOWN public Unknown punkVal; // IDispatch * VT_DISPATCH public Dispatch pdispVal; // SAFEARRAY * VT_ARRAY public SAFEARRAY.ByReference parray; // BYTE * VT_BYREF|VT_UI1 public ByteByReference pbVal; // SHORT * VT_BYREF|VT_I2 public ShortByReference piVal; // LONG * VT_BYREF|VT_I4 public LONGByReference plVal; // LONGLONG * VT_BYREF|VT_I8 public LONGLONGByReference pllVal; // FLOAT * VT_BYREF|VT_R4 public FloatByReference pfltVal; // DOUBLE * VT_BYREF|VT_R8 public DoubleByReference pdblVal; // VARIANT_BOOL * VT_BYREF|VT_BOOL public VARIANT_BOOLByReference pboolVal; // VARIANT_BOOL * VT_BYREF|VT_BOOL public _VARIANT_BOOLByReference pbool; // SCODE * VT_BYREF|VT_ERROR public SCODEByReference pscode; // CY * VT_BYREF|VT_CY public CURRENCY.ByReference pcyVal; // DATE * VT_BYREF|VT_DATE public DATE.ByReference pdate; // BSTR * VT_BYREF|VT_BSTR public BSTRByReference pbstrVal; // IUnknown ** VT_BYREF|VT_UNKNOWN public Unknown.ByReference ppunkVal; // IDispatch ** VT_BYREF|VT_DISPATCH public Dispatch.ByReference ppdispVal; // SAFEARRAY ** VT_BYREF|VT_ARRAY public SAFEARRAYByReference pparray; // VARIANT * VT_BYREF|VT_VARIANT public VARIANT.ByReference pvarVal; // PVOID VT_BYREF (Generic ByRef) public PVOID byref; // CHAR VT_I1 public CHAR cVal; // USHORT VT_UI2 public USHORT uiVal; // ULONG VT_UI4 public ULONG ulVal; // ULONGLONG VT_UI8 public ULONGLONG ullVal; // INT VT_INT public Integer intVal; // UINT VT_UINT public UINT uintVal; // DECIMAL * VT_BYREF|VT_DECIMAL public DECIMAL.ByReference pdecVal; // CHAR * VT_BYREF|VT_I1 public CHARByReference pcVal; // USHORT * VT_BYREF|VT_UI2 public USHORTByReference puiVal; // ULONG * VT_BYREF|VT_UI4 public ULONGByReference pulVal; // ULONGLONG * VT_BYREF|VT_UI8 public ULONGLONGByReference pullVal; // INT * VT_BYREF|VT_INT public IntByReference pintVal; // UINT * VT_BYREF|VT_UINT public UINTByReference puintVal; // BRECORD VT_RECORD public BRECORD pvRecord; public __VARIANT() { super(); this.read(); } public __VARIANT(Pointer pointer) { super(pointer); this.read(); } } public VARTYPE vt; public short wReserved1; public short wReserved2; public short wReserved3; public __VARIANT __variant; public _VARIANT() { super(); } public _VARIANT(Pointer pointer) { super(pointer); this.read(); } } } @FieldOrder({"variantArg"}) public static class VariantArg extends Structure { public static class ByReference extends VariantArg implements Structure.ByReference { public ByReference() { } public ByReference(VARIANT[] variantArg) { this.variantArg = variantArg; } } public VARIANT[] variantArg = new VARIANT[1]; public VariantArg() { super(); } /** * construct VariantArg cast onto pre-allocated memory * @param pointer base address */ public VariantArg(Pointer pointer) { super(pointer); } public VariantArg(VARIANT[] variantArg) { this.variantArg = variantArg; } public void setArraySize(int size) { this.variantArg = new VARIANT[size]; this.read(); } } }




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