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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include <string>
#include "VariantHelper.h"
namespace qpid {
namespace store {
namespace ms_sql {
template <class Wrapped>
VariantHelper<Wrapped>::VariantHelper()
{
var.vt = VT_EMPTY;
}
template <class Wrapped>
VariantHelper<Wrapped>::operator const _variant_t& () const
{
return var;
}
// Specialization for using _variant_t to wrap a std::string
VariantHelper<std::string>::VariantHelper(const std::string &init)
{
if (init.empty() || init.length() == 0) {
var.vt = VT_BSTR;
var.bstrVal = NULL;
}
else {
var.SetString(init.c_str());
}
}
VariantHelper<std::string>&
VariantHelper<std::string>::operator=(const std::string &rhs)
{
if (rhs.empty() || rhs.length() == 0) {
var.vt = VT_BSTR;
var.bstrVal = NULL;
}
else {
var.SetString(rhs.c_str());
}
return *this;
}
VariantHelper<std::string>::operator const _variant_t& () const
{
return var;
}
}}} // namespace qpid::store::ms_sql
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