gecko-dev/dom/xslt/xslt/txVariableMap.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef TRANSFRMX_VARIABLEMAP_H
#define TRANSFRMX_VARIABLEMAP_H
#include "nsError.h"
#include "txXMLUtils.h"
#include "txExprResult.h"
#include "txExpandedNameMap.h"
class txVariableMap {
public:
txVariableMap();
~txVariableMap();
nsresult bindVariable(const txExpandedName& aName, txAExprResult* aValue);
void getVariable(const txExpandedName& aName, txAExprResult** aResult);
void removeVariable(const txExpandedName& aName);
private:
txExpandedNameMap<txAExprResult> mMap;
};
inline
txVariableMap::txVariableMap()
{
MOZ_COUNT_CTOR(txVariableMap);
}
inline
txVariableMap::~txVariableMap()
{
MOZ_COUNT_DTOR(txVariableMap);
txExpandedNameMap<txAExprResult>::iterator iter(mMap);
while (iter.next()) {
txAExprResult* res = iter.value();
NS_RELEASE(res);
}
}
inline nsresult
txVariableMap::bindVariable(const txExpandedName& aName, txAExprResult* aValue)
{
NS_ASSERTION(aValue, "can't add null-variables to a txVariableMap");
nsresult rv = mMap.add(aName, aValue);
if (NS_SUCCEEDED(rv)) {
NS_ADDREF(aValue);
}
else if (rv == NS_ERROR_XSLT_ALREADY_SET) {
rv = NS_ERROR_XSLT_VAR_ALREADY_SET;
}
return rv;
}
inline void
txVariableMap::getVariable(const txExpandedName& aName, txAExprResult** aResult)
{
*aResult = mMap.get(aName);
if (*aResult) {
NS_ADDREF(*aResult);
}
}
inline void
txVariableMap::removeVariable(const txExpandedName& aName)
{
txAExprResult* var = mMap.remove(aName);
NS_IF_RELEASE(var);
}
#endif //TRANSFRMX_VARIABLEMAP_H