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jsonparser.h
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jsonparser.h
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#ifndef JSON_PARSER_H_
#define JSON_PARSER_H_
#include <map>
#include <memory>
#include <vector>
#include "disallow.h"
namespace jjson {
class Value {
public:
Value() {}
virtual ~Value() {}
/** Obtain array element. */
const Value& operator[](size_t pos) const;
/** Obtain object member. */
const Value& operator[](const std::string& key) const;
/** Obtain object member. */
const Value& get(const std::string& key) const;
/** Obtain array for iteration. */
const std::vector<std::unique_ptr<Value> >& get_array() const;
/** Obtain string. */
const std::string& get_string() const;
/** Obtain number. */
float get_number() const;
/** Obtain number and convert to int. */
float get_int() const;
/** Check if this was 'true' */
bool is_true() const;
/** Check if this was 'false' */
bool is_false() const;
/** Check if this was 'null' */
bool is_null() const;
private:
DISALLOW_COPY_AND_ASSIGN(Value);
};
template <class T>
class SpecialValue : public Value {
public:
explicit SpecialValue(T&& value) : value_(std::move(value)) {}
const T value_;
};
typedef SpecialValue<float> NumberValue;
typedef SpecialValue<std::string> StringValue;
;
typedef SpecialValue<std::map<std::string, std::unique_ptr<Value> > >
ObjectValue;
typedef SpecialValue<std::vector<std::unique_ptr<Value> > > ArrayValue;
;
class TrueValue : public Value {};
class FalseValue : public Value {};
class NullValue : public Value {};
std::unique_ptr<Value> Parse(const std::string& s);
} // end namespace jjson
#endif // JSON_PARSER_H_