source: trunk/tools/qtconcurrent/codegenerator/src/codegenerator.h@ 315

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#ifndef CODEGENERATOR_H
#define CODEGENERATOR_H

#include <QByteArray>
#include <QString>
#include <QList>
#include <QStack>

namespace CodeGenerator
{
    enum GeneratorType {NoopType, CompoundType, TextType, RepeaterType, CounterType, GroupType};
    class BaseGenerator;
    typedef QStack<BaseGenerator *> GeneratorStack;
    
    template <typename ValueType>
    class Stacker {
    public:
        Stacker(QStack<ValueType> *stack, ValueType value) : stack(stack) { stack->push(value); }
        ~Stacker() { stack->pop();}
    private:
        QStack<ValueType> *stack;
    };
    typedef Stacker<BaseGenerator *> GeneratorStacker;
    
    class BaseGenerator
    {
    public:
        BaseGenerator(GeneratorType type = NoopType) : type(type) {}
        virtual ~BaseGenerator() {};
        virtual QByteArray generate(GeneratorStack *stack) { Q_UNUSED(stack); return QByteArray(); };
        int currentCount(GeneratorStack *stack) const;
        int repeatCount(GeneratorStack *stack) const;
        GeneratorType type;   
    };