367 lines
12 KiB
C++
367 lines
12 KiB
C++
/** @file
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* @author Edouard DUPIN
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* @copyright 2016, Edouard DUPIN, all right reserved
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* @license APACHE v2.0 (see license file)
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*/
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#pragma once
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#include <jus/TcpString.h>
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#include <eproperty/Value.h>
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#include <ejson/ejson.h>
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#include <jus/debug.h>
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class ParamType {
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protected:
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const char* m_typeName;
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public:
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ParamType(const char* _name = ""):
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m_typeName(_name) {
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}
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const char* getName() const {
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return m_typeName;
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}
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bool operator == (const ParamType& _obj) const {
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return m_typeName == _obj.m_typeName;
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}
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};
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template<class JUS_TYPE>
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ParamType createType();
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#define generate_basic_type(_type, _name) \
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template<> ParamType createType<_type>() {\
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return ParamType(_name); \
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}
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class CmdBase {
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protected:
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const std::string m_name;
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public:
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const std::string& getName() const {
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return m_name;
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}
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protected:
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const std::string m_description;
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public:
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const std::string& getDescription() const {
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return m_description;
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}
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protected:
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CmdBase(const std::string& _name,
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const std::string& _desc):
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m_name(_name),
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m_description(_desc) {
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}
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public:
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virtual ~CmdBase() {};
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bool checkCompatibility(const ParamType& _type, const ejson::Value& _params);
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bool checkCompatibility(const ParamType& _type, const std::string& _params);
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public:
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virtual std::string getPrototype() const = 0;
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virtual ejson::Value executeJson(const ejson::Array& _params) = 0;
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virtual std::string executeString(const std::vector<std::string>& _params) = 0;
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};
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template<class JUS_TYPE>
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JUS_TYPE convertStringTo(const std::string& _value);
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template<class JUS_TYPE>
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JUS_TYPE convertJsonTo(const ejson::Value& _value);
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template<class JUS_TYPE>
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ejson::Value convertToJson(const JUS_TYPE& _value);
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template <class, class...>
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class TypeList;
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template <class JUS_RETURN, class... JUS_TYPES>
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ejson::Value executeCallJson(JUS_RETURN (*_func)(JUS_TYPES...), const ejson::Array& _params) {
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#if defined(__clang__)
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// clang generate a basic warning:
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// warning: multiple unsequenced modifications to 'idParam' [-Wunsequenced]
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int32_t idParam = 0;
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return convertToJson(_func((convertJsonTo<JUS_TYPES>(_params[idParam++]))...));
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#elif defined(__GNUC__) || defined(__GNUG__) || defined(_MSC_VER)
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int32_t idParam = m_paramCount-1;
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return convertToJson(_func(convertJsonTo<JUS_TYPES>(_params[idParam--])...));
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#else
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#error Must be implemented ...
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#endif
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return ejson::Null();
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}
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template <class... JUS_TYPES>
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ejson::Value executeCallJson(void (*_func)(JUS_TYPES...), const ejson::Array& _params) {
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ejson::Object out;
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#if defined(__clang__)
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// clang generate a basic warning:
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// warning: multiple unsequenced modifications to 'idParam' [-Wunsequenced]
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int32_t idParam = 0;
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_func((convertJsonTo<JUS_TYPES>(_params[idParam++]))...);
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#elif defined(__GNUC__) || defined(__GNUG__) || defined(_MSC_VER)
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int32_t idParam = m_paramCount-1;
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_func(convertJsonTo<JUS_TYPES>(_params[idParam--])...);
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#else
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#error Must be implemented ...
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#endif
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return ejson::Null();
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}
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template <class JUS_RETURN, class... JUS_TYPES>
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std::string executeCallString(JUS_RETURN (*_func)(JUS_TYPES...), const std::vector<std::string>& _params) {
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#if defined(__clang__)
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// clang generate a basic warning:
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// warning: multiple unsequenced modifications to 'idParam' [-Wunsequenced]
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int32_t idParam = 0;
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return etk::to_string(_func((convertStringTo<JUS_TYPES>(_params[idParam++]))...));
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#elif defined(__GNUC__) || defined(__GNUG__) || defined(_MSC_VER)
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int32_t idParam = m_paramCount-1;
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return etk::to_string(_func(convertStringTo<JUS_TYPES>(_params[idParam--])...));
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#else
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#error Must be implemented ...
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#endif
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return "";
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}
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template <class... JUS_TYPES>
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std::string executeCallString(void (*_func)(JUS_TYPES...), const std::vector<std::string>& _params) {
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ejson::Object out;
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#if defined(__clang__)
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// clang generate a basic warning:
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// warning: multiple unsequenced modifications to 'idParam' [-Wunsequenced]
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int32_t idParam = 0;
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_func((convertStringTo<JUS_TYPES>(_params[idParam++]))...);
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#elif defined(__GNUC__) || defined(__GNUG__) || defined(_MSC_VER)
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int32_t idParam = m_paramCount-1;
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_func(convertStringTo<JUS_TYPES>(_params[idParam--])...);
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#else
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#error Must be implemented ...
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#endif
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return "";
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}
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template <class JUS_RETURN, class... JUS_TYPES>
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class TypeList: public CmdBase {
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protected:
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static const ParamType m_returnType;
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static const ParamType m_paramType[sizeof...(JUS_TYPES)];
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static const int32_t m_paramCount;
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public:
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using functionType = JUS_RETURN (*)(JUS_TYPES...);
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functionType m_function;
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TypeList(const std::string& _name, const std::string& _desc, functionType _fptr):
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CmdBase(_name, _desc),
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m_function(_fptr) {
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}
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std::string getPrototype() const override {
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std::string ret;
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ret += m_returnType.getName();
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ret += " ";
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ret += m_name;
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ret += "(";
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for (size_t iii=0; iii<m_paramCount; ++iii) {
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if (iii != 0) {
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ret += ", ";
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}
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ret += m_paramType[iii].getName();
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}
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ret += ");";
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return ret;
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}
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ejson::Value executeJson(const ejson::Array& _params) override {
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ejson::Object out;
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// check parameter number
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if (_params.size() != m_paramCount) {
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JUS_ERROR("Wrong number of Parameters ...");
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out.add("error", ejson::String("WRONG-PARAMETER-NUMBER"));
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std::string help = "request ";
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help += etk::to_string(_params.size());
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help += " parameters and need ";
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help += etk::to_string(m_paramCount);
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help += " parameters. prototype function:";
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help += getPrototype();
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out.add("error-help", ejson::String(help));
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return out;
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}
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// check parameter compatibility
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for (size_t iii=0; iii<m_paramCount; ++iii) {
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if (checkCompatibility(m_paramType[iii], _params[iii]) == false) {
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out.add("error", ejson::String("WRONG-PARAMETER-TYPE"));
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out.add("error-help", ejson::String("Parameter id " + etk::to_string(iii) + " not compatible with type: '" + m_paramType[iii].getName() + "'"));
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return out;
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}
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}
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// execute cmd:
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ejson::Value retVal = executeCallJson(m_function, _params);
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out.add("return", retVal);
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return out;
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}
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std::string executeString(const std::vector<std::string>& _params) override {
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std::string out;
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// check parameter number
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if (_params.size() != m_paramCount) {
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JUS_ERROR("Wrong number of Parameters ...");
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out += "error:WRONG-PARAMETER-NUMBER;";
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out += "error-help:request ";
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out += etk::to_string(_params.size());
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out += " parameters and need ";
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out += etk::to_string(m_paramCount);
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out += " parameters. prototype function:";
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out += getPrototype();
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return out;
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}
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// check parameter compatibility
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for (size_t iii=0; iii<m_paramCount; ++iii) {
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if (checkCompatibility(m_paramType[iii], _params[iii]) == false) {
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out += "error:WRONG-PARAMETER-TYPE;";
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out += "error-help:Parameter id " + etk::to_string(iii) + " not compatible with type: '" + m_paramType[iii].getName() + "'";
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return out;
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}
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}
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// execute cmd:
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out = executeCallString(m_function, _params);
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return out;
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}
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};
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template <class JUS_RETURN, class... JUS_TYPES>
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const ParamType TypeList<JUS_RETURN, JUS_TYPES...>::m_returnType = createType<JUS_RETURN>();
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template <class JUS_RETURN, class... JUS_TYPES>
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const ParamType TypeList<JUS_RETURN, JUS_TYPES...>::m_paramType[sizeof...(JUS_TYPES)] = {createType<JUS_TYPES>()...};
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template <class JUS_RETURN, class... JUS_TYPES>
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const int32_t TypeList<JUS_RETURN, JUS_TYPES...>::m_paramCount = sizeof...(JUS_TYPES);
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template <typename JUS_RETURN, typename... JUS_TYPES>
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CmdBase* createCmd(const std::string& _name, const std::string& _desc, JUS_RETURN (*_fffp)(JUS_TYPES...)) {
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return new TypeList<JUS_RETURN, JUS_TYPES...>(_name, _desc, _fffp);
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}
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static double mulllll(double _val1) {
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double _val2 = 2.0f;
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JUS_ERROR("Call with parameter : " << _val1);
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return _val1*_val2;
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}
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static void mulllll2(std::string _value, int32_t _val1) {
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JUS_ERROR("Call with parameter : " << _value);
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JUS_ERROR(" parameter : " << _val1);
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}
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static std::string mulllll3(float _value, bool _val1) {
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JUS_ERROR("Call with parameter : " << _value);
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JUS_ERROR(" parameter : " << _val1);
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double _val2 = 1.0f;
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return "'il fait beau aujoud'hui ...'";
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}
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static bool mulllll4() {
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return false;
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}
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namespace jus {
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class Service : public eproperty::Interface {
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public:
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eproperty::Value<std::string> propertyIp;
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eproperty::Value<uint16_t> propertyPort;
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private:
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jus::TcpString m_interfaceClient;
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uint32_t m_id;
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esignal::Connection m_dataCallback;
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std::vector<std::string> m_newData;
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public:
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Service();
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virtual ~Service();
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// Genenric function call:
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ejson::Object callJson(const ejson::Object& _obj);
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void connect();
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void disconnect();
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private:
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void onClientData(const std::string& _value);
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std::string asyncRead();
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private:
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void onPropertyChangeIp();
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void onPropertyChangePort();
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protected:
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void createSignatureInternal(std::vector<std::string>& _signature) {
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// Finish recursive parse ...
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}
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template<class... _ARGS>
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void createSignatureInternal(std::vector<std::string>& _signature, const std::string& _param, _ARGS&&... _args) {
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_signature.push_back("string");
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createSignatureInternal(_signature, std::forward<_ARGS>(_args)...);
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}
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template<class... _ARGS>
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void createSignatureInternal(std::vector<std::string>& _signature, const bool& _param, _ARGS&&... _args) {
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_signature.push_back("bool");
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createSignatureInternal(_signature, std::forward<_ARGS>(_args)...);
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}
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template<class... _ARGS>
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void createSignatureInternal(std::vector<std::string>& _signature, const double& _param, _ARGS&&... _args) {
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_signature.push_back("double");
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createSignatureInternal(_signature, std::forward<_ARGS>(_args)...);
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}
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template<class... _ARGS>
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void createSignatureInternal(std::vector<std::string>& _signature, const int32_t& _param, _ARGS&&... _args) {
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_signature.push_back("int32");
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createSignatureInternal(_signature, std::forward<_ARGS>(_args)...);
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}
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template<class... _ARGS>
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std::vector<std::string> createSignature(_ARGS&&... _args) {
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std::vector<std::string> signature;
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createSignatureInternal(signature, std::forward<_ARGS>(_args)...);
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return signature;
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}
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template<class JUS_RETURN_VALUE,
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class JUS_CLASS_TYPE,
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class... JUS_FUNC_ARGS_TYPE>
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void advertise(const std::string& _name,
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JUS_RETURN_VALUE (JUS_CLASS_TYPE::*_func)(const JUS_FUNC_ARGS_TYPE&... _args),
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const std::string& _desc) {
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//CmdBase* tmp = createCmd(_name, &mulllll);
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CmdBase* tmp = createCmd(_name, "desc", &mulllll);
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JUS_ERROR("Signature : " << tmp->getPrototype());
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{
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ejson::Array param;
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param.add(ejson::Number(58.5));
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ejson::Value out = tmp->executeJson(param);
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JUS_ERROR(" return: ");
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out.display();
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}
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tmp = createCmd(_name, "desc", &mulllll2);
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JUS_ERROR("Signature2 : " << tmp->getPrototype());
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{
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ejson::Array param;
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param.add(ejson::String("coucou"));
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param.add(ejson::Number(1563));
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ejson::Value out = tmp->executeJson(param);
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JUS_ERROR(" return: ");
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out.display();
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}
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tmp = createCmd(_name, "desc", &mulllll3);
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JUS_ERROR("Signature3 : " << tmp->getPrototype());
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JUS_ERROR(" return: " << tmp->executeString(etk::split("3.5 false", ' ')));
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tmp = createCmd(_name, "desc", &mulllll4);
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JUS_ERROR("Signature4 : " << tmp->getPrototype());
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/*
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std::vector<std::string> plop = createSignature(_args):
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JUS_ERROR("signature:");
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for (auto& it : plop) {
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JUS_ERROR(" - " << it);
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}
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*/
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}
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};
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}
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