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#ifndef VARIABLE_H_
#define VARIABLE_H_
#include "SharedRef.h"
#include <string>
#include <vector>
typedef enum {Void, List, String, BoolType} VarType;
class TokenStream;
class Variable;
typedef SharedPtr<Variable> VariablePtr;
class Variable
{
public:
Variable(VarType T, const std::string& Value, bool IsConst);
void set(const std::string& Name, const VariablePtr& other);
void insert(const std::string& Name, const VariablePtr& other);
VariablePtr find(const std::string& aName);
const VariablePtr find(const std::string& aName) const;
VariablePtr findOrCreate(const std::string& Name);
void remove(const std::string& Key);
VarType type() const;
std::string value() const;
unsigned int size() const;
const VariablePtr& get(unsigned int idx) const;
VariablePtr& get(unsigned int idx);
const std::string name(unsigned int idx) const;
VariablePtr deepCopy() const;
private:
VarType Type;
bool IsConst;
std::string Value;
std::vector< std::pair<std::string,VariablePtr> > Vars;
friend VariablePtr constructVar(VarType Type, const std::string& Value, bool IsConst);
};
VariablePtr constructString(const std::string& Val, bool c);
VariablePtr constructList(bool c);
VariablePtr constructVoid(bool IsConst);
VariablePtr constructBool(bool Value, bool IsConst);
VariablePtr convertTo(VarType T, VariablePtr Src);
bool isBoolTrue(VariablePtr T);
std::string stringValue(const VariablePtr& T);
const VariablePtr childOrVoid(const VariablePtr& Parent, const std::string& Name);
VariablePtr parseFrom(TokenStream& s);
void print(const std::string& In, const VariablePtr& V);
#endif
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