RetroZilla/extensions/transformiix/source/xslt/txVariableMap.h

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 * The Original Code is TransforMiiX XSLT processor code.
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 * The Initial Developer of the Original Code is
 * Jonas Sicking.
 * Portions created by the Initial Developer are Copyright (C) 2002
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Jonas Sicking <sicking@bigfoot.com>
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#ifndef TRANSFRMX_VARIABLEMAP_H
#define TRANSFRMX_VARIABLEMAP_H

#include "txError.h"
#include "XMLUtils.h"
#include "ExprResult.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 mMap;
};


inline
txVariableMap::txVariableMap()
    : mMap(MB_FALSE)
{
}

inline
txVariableMap::~txVariableMap()
{
    txExpandedNameMap::iterator iter(mMap);
    while (iter.next()) {
        txAExprResult* res = NS_STATIC_CAST(txAExprResult*, 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);
    }
    return rv;
}

inline void
txVariableMap::getVariable(const txExpandedName& aName, txAExprResult** aResult)
{
    *aResult = NS_STATIC_CAST(txAExprResult*, mMap.get(aName));
    if (*aResult) {
        NS_ADDREF(*aResult);
    }
}

inline void
txVariableMap::removeVariable(const txExpandedName& aName)
{
    txAExprResult* var = NS_STATIC_CAST(txAExprResult*, mMap.remove(aName));
    NS_IF_RELEASE(var);
}

#endif //TRANSFRMX_VARIABLEMAP_H