/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation.
*
* This source code is subject to terms and conditions of the Microsoft Public License. A
* copy of the license can be found in the License.html file at the root of this distribution. If
* you cannot locate the Microsoft Public License, please send an email to
* dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
* by the terms of the Microsoft Public License.
*
* You must not remove this notice, or any other, from this software.
*
*
* ***************************************************************************/
#if !SILVERLIGHT // ComObject
using System;
using System.Diagnostics;
using System.Runtime.InteropServices.ComTypes;
using System.Text;
using System.Globalization;
using MarshalSystem.Runtime.InteropServices.Marshal;
namespace Microsoft.Scripting.ComInterop{
public class ComMethodDesc {
private readonly int _memid; // this is the member id extracted from FUNCDESC.memid
private readonly string _name;
internal readonly INVOKEKIND InvokeKind;
private readonly int _paramCnt;
private ComMethodDesc(int dispId) {
_memid = dispId;
}
internal ComMethodDesc(string name, int dispId)
: this(dispId) {
// no ITypeInfo constructor
_name = name;
}
internal ComMethodDesc(string name, int dispId, INVOKEKIND invkind)
: this(name, dispId) {
InvokeKind = invkind;
}
internal ComMethodDesc(ITypeInfo typeInfo, FUNCDESC funcDesc)
: this(funcDesc.memid) {
InvokeKind = funcDesc.invkind;
int cNames;
string[] rgNames = new string[1 + funcDesc.cParams];
typeInfo.GetNames(_memid, rgNames, rgNames.Length, out cNames);
if (IsPropertyPut && rgNames[rgNames.Length - 1] == null) {
rgNames[rgNames.Length - 1] = "value";
cNames++;
}
Debug.Assert(cNames == rgNames.Length);
_name = rgNames[0];
_paramCnt = funcDesc.cParams;
}
public string Name {
get {
Debug.Assert(_name != null);
return _name;
}
}
public int DispId {
get { return _memid; }
}
public bool IsPropertyGet {
get {
return (InvokeKind & INVOKEKIND.INVOKE_PROPERTYGET) != 0;
}
}
public bool IsDataMember {
get {
//must be regular get
if (!IsPropertyGet || DispId == ComDispIds.DISPID_NEWENUM) {
return false;
}
//must have no parameters
return _paramCnt == 0;
}
}
public bool IsPropertyPut {
get {
return (InvokeKind & (INVOKEKIND.INVOKE_PROPERTYPUT | INVOKEKIND.INVOKE_PROPERTYPUTREF)) != 0;
}
}
public bool IsPropertyPutRef {
get {
return (InvokeKind & INVOKEKIND.INVOKE_PROPERTYPUTREF) != 0;
}
}
internal int ParamCount {
get {
return _paramCnt;
}
}
}
}
#endif
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