222 lines
8.3 KiB
C++
222 lines
8.3 KiB
C++
/**
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* @author Edouard DUPIN
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*
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* @copyright 2011, Edouard DUPIN, all right reserved
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*
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* @license APACHE v2.0 (see license file)
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*/
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#ifndef __ETK_JSON_OBJECT_H__
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#define __ETK_JSON_OBJECT_H__
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#include <etk/types.h>
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#include <etk/Hash.h>
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#include <algorithm>
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#include <ejson/Value.h>
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namespace ejson {
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class Object : public ejson::Value {
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protected:
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/**
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* @brief basic element of a xml structure
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*/
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Object() { };
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public:
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static std11::shared_ptr<Object> create();
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static std11::shared_ptr<Object> create(const std::string& _data);
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/**
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* @brief destructor
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*/
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virtual ~Object() { };
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protected:
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etk::Hash<std11::shared_ptr<ejson::Value> > m_value; //!< value of the node (for element this is the name, for text it is the inside text ...)
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public:
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/**
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* @brief check if an element exist.
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* @param[in] _name name of the object.
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* @return The existance of the element.
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*/
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bool exist(const std::string& _name) const;
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/**
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* @brief get the sub element with his name (no cast check)
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* @param[in] _name name of the object
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* @return pointer on the element requested or nullptr if it not the corect type or does not existed
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*/
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std11::shared_ptr<ejson::Value> get(const std::string& _name);
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//! @previous
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const std11::shared_ptr<const ejson::Value> get(const std::string& _name) const;
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//! @previous
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std11::shared_ptr<ejson::Value> operator[] (const std::string& _name) {
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return get(_name);
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}
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//! @previous
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const std11::shared_ptr<const ejson::Value> operator[] (const std::string& _name) const {
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return get(_name);
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}
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public:
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/**
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* @brief Get all the element name (keys).
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* @return a vector of all name (key).
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*/
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std::vector<std::string> getKeys() const {
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return m_value.getKeys();
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}
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/**
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* @brief get the number of sub element in the current one
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* @return the Number of stored element
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*/
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size_t size() const {
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return m_value.size();
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};
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/**
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* @brief get the pointer on an element reference with his ID.
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* @param[in] _id Id of the element.
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* @return nullptr if the element does not exist.
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*/
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std11::shared_ptr<ejson::Value> get(size_t _id) {
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return m_value[_id];
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};
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//! @previous
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const std11::shared_ptr<const ejson::Value> get(size_t _id) const{
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return m_value[_id];
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};
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//! @previous
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std11::shared_ptr<ejson::Value> operator[] (size_t _id) {
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return m_value[_id];
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}
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//! @previous
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const std11::shared_ptr<const ejson::Value> operator[] (size_t _id) const {
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return m_value[_id];
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}
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/**
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* @brief Get the element name (key).
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* @param[in] _id Id of the element.
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* @return The name (key).
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*/
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std::string getKey(size_t _id) const {
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return m_value.getKey(_id);
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}
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/**
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* @brief get the sub element with his name (Casted as Object if it is possible)
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* @param[in] _name name of the object
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* @return pointer on the element requested or nullptr if it not the corect type or does not existed
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*/
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std11::shared_ptr<ejson::Object> getObject(const std::string& _name);
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//! @previous
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const std11::shared_ptr<const ejson::Object> getObject(const std::string& _name) const;
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/**
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* @brief get the sub element with his name (Casted as Array if it is possible)
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* @param[in] _name name of the object
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* @return pointer on the element requested or nullptr if it not the corect type or does not existed
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*/
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std11::shared_ptr<ejson::Array> getArray(const std::string& _name);
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//! @previous
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const std11::shared_ptr<const ejson::Array> getArray(const std::string& _name) const;
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/**
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* @brief get the sub element with his name (Casted as Null if it is possible)
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* @param[in] _name name of the object
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* @return pointer on the element requested or nullptr if it not the corect type or does not existed
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*/
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std11::shared_ptr<ejson::Null> getNull(const std::string& _name);
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//! @previous
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const std11::shared_ptr<const ejson::Null> getNull(const std::string& _name) const;
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/**
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* @brief get the sub element with his name (Casted as String if it is possible)
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* @param[in] _name name of the object
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* @return pointer on the element requested or nullptr if it not the corect type or does not existed
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*/
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std11::shared_ptr<ejson::String> getString(const std::string& _name);
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//! @previous
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const std11::shared_ptr<const ejson::String> getString(const std::string& _name) const;
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/**
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* @brief get the sub string value of the requested element
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* @param[in] _name name of the object
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* @return Value of the string or an error string (empty)
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*/
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const std::string& getStringValue(const std::string& _name) const;
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/**
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* @brief get the sub string value of the requested element (with error return value)
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* @param[in] _name name of the object
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* @param[in] _errorValue The return value if the element does not exist.
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* @return Value of the string or an error string (empty)
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*/
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std::string getStringValue(const std::string& _name, const std::string& _errorValue) const;
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/**
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* @brief get the sub element with his name (Casted as Boolean if it is possible)
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* @param[in] _name name of the object
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* @return pointer on the element requested or nullptr if it not the corect type or does not existed
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*/
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std11::shared_ptr<ejson::Boolean> getBoolean(const std::string& _name);
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//! @previous
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const std11::shared_ptr<const ejson::Boolean> getBoolean(const std::string& _name) const;
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/**
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* @brief get the sub boolean value of the requested element.
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* @param[in] _name name of the object.
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* @param[in] _errorValue The return value if the element does not exist.
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* @return Value of the Boolean or the _errorValue;
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*/
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bool getBooleanValue(const std::string& _name, bool _errorValue=false) const;
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/**
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* @brief get the sub element with his name (Casted as Number if it is possible)
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* @param[in] _name name of the object
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* @return pointer on the element requested or nullptr if it not the corect type or does not existed
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*/
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std11::shared_ptr<ejson::Number> getNumber(const std::string& _name);
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//! @previous
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const std11::shared_ptr<const ejson::Number> getNumber(const std::string& _name) const;
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/**
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* @brief get the sub Number value of the requested element.
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* @param[in] _name name of the object.
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* @param[in] _errorValue The return value if the element does not exist.
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* @return Value of the Number or the _errorValue;
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*/
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double getNumberValue(const std::string& _name, double _errorValue=0.0) const;
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public:
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/**
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* @brief add an element in the Object
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* @param[in] _name name of the object
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* @param[in] _value Element to add
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* @return false if an error occured
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*/
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bool add(const std::string& _name, std11::shared_ptr<ejson::Value> _value);
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/**
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* @brief add a string element in the Object (automatic creation)
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* @param[in] _name name of the object
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* @param[in] _value string value to add
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* @return false if an error occured
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*/
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bool addString(const std::string& _name, const std::string& _value);
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/**
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* @brief add a "null" element in the Object (automatic creation)
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* @param[in] _name name of the object
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* @return false if an error occured
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*/
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bool addNull(const std::string& _name);
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/**
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* @brief add a boolean element in the Object (automatic creation)
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* @param[in] _name name of the object
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* @param[in] _value boolean value to add
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* @return false if an error occured
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*/
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bool addBoolean(const std::string& _name, bool _value);
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/**
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* @brief add a double element in the Object (automatic creation)
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* @param[in] _name name of the object
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* @param[in] _value double value to add
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* @return false if an error occured
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*/
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bool addNumber(const std::string& _name, double _value);
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public: // herited function :
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virtual bool iParse(const std::string& _data, size_t& _pos, ejson::filePos& _filePos, ejson::Document& _doc);
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virtual bool iGenerate(std::string& _data, size_t _indent) const;
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virtual void clear();
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virtual bool transfertIn(std11::shared_ptr<ejson::Value> _obj);
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virtual bool cloneIn(const std11::shared_ptr<ejson::Object>& _obj) const;
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virtual std11::shared_ptr<ejson::Value> clone() const;
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virtual std11::shared_ptr<ejson::Object> cloneObj() const;
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};
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};
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#endif
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