/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 *
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 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *
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#include "StdAfx.h"

#include "PropertyBag.h"


CPropertyBag::CPropertyBag()
{
}


CPropertyBag::~CPropertyBag()
{
}


///////////////////////////////////////////////////////////////////////////////
// IPropertyBag implementation

HRESULT STDMETHODCALLTYPE CPropertyBag::Read(/* [in] */ LPCOLESTR pszPropName, /* [out][in] */ VARIANT __RPC_FAR *pVar, /* [in] */ IErrorLog __RPC_FAR *pErrorLog)
{
    if (pszPropName == NULL)
    {
        return E_INVALIDARG;
    }
    if (pVar == NULL)
    {
        return E_INVALIDARG;
    }

    VARTYPE vt = pVar->vt;
    VariantInit(pVar);

    for (unsigned long i = 0; i < m_PropertyList.GetSize(); i++)
    {
        if (wcsicmp(m_PropertyList.GetNameOf(i), pszPropName) == 0)
        {
            const VARIANT *pvSrc = m_PropertyList.GetValueOf(i);
            if (!pvSrc)
            {
                return E_FAIL;
            }
            CComVariant vNew;
            HRESULT hr = (vt == VT_EMPTY) ?
                vNew.Copy(pvSrc) : vNew.ChangeType(vt, pvSrc);
            if (FAILED(hr))
            {
                return E_FAIL;
            }
            // Copy the new value
            vNew.Detach(pVar);
            return S_OK;
        }
    }

    // Property does not exist in the bag
    return E_FAIL;
}


HRESULT STDMETHODCALLTYPE CPropertyBag::Write(/* [in] */ LPCOLESTR pszPropName, /* [in] */ VARIANT __RPC_FAR *pVar)
{
    if (pszPropName == NULL)
    {
        return E_INVALIDARG;
    }
    if (pVar == NULL)
    {
        return E_INVALIDARG;
    }

    CComBSTR bstrName(pszPropName);
    m_PropertyList.AddOrReplaceNamedProperty(bstrName, *pVar);

    return S_OK;
}