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#ifndef _QV_FIELD_
#define _QV_FIELD_
#include <QvString.h>
class QvInput;
class QvNode;
class QvField {
public:
virtual ~QvField();
void setIgnored(QvBool ig) { flags.ignored = ig; }
QvBool isIgnored() const { return flags.ignored; }
QvBool isDefault() const { return flags.hasDefault; }
QvNode * getContainer() const { return container; }
void setDefault(QvBool def) { flags.hasDefault = def; }
void setContainer(QvNode *cont);
QvBool read(QvInput *in, const QvName &name);
QvField() { flags.hasDefault = TRUE; flags.ignored = FALSE; }
public:
private:
struct {
unsigned int hasDefault : 1; // Field is set to default value
unsigned int ignored : 1; // Field value is to be ignored
} flags;
QvNode *container;
static QvField * createInstanceFromName(const QvName &className);
virtual QvBool readValue(QvInput *in) = 0;
friend class QvFieldData;
};
class QvSField : public QvField {
public:
virtual ~QvSField();
protected:
QvSField();
private:
virtual QvBool readValue(QvInput *in) = 0;
};
class QvMField : public QvField {
public:
int num; // Number of values
int maxNum; // Number of values allocated
// Destructor
virtual ~QvMField();
protected:
QvMField();
virtual void makeRoom(int newNum);
private:
virtual void allocValues(int num) = 0;
virtual QvBool readValue(QvInput *in);
virtual QvBool read1Value(QvInput *in, int index) = 0;
};
#endif /* _QV_FIELD_ */
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