177 lines
7.1 KiB
C++
177 lines
7.1 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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#include <jus/AbstractFunction.h>
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namespace jus {
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template <class JUS_CLASS_TYPE, class JUS_RETURN, class... JUS_TYPES>
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ejson::Value executeClassCallJson(JUS_CLASS_TYPE* _pointer, JUS_RETURN (JUS_CLASS_TYPE::*_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((*_pointer.*_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 = int32_t(sizeof...(JUS_TYPES))-1;
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return convertToJson((*_pointer.*_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_CLASS_TYPE, class... JUS_TYPES>
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ejson::Value executeClassCallJson(JUS_CLASS_TYPE* _pointer, void (JUS_CLASS_TYPE::*_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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(*_pointer.*_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 = int32_t(sizeof...(JUS_TYPES))-1;
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(*_pointer.*_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_CLASS_TYPE, class JUS_RETURN, class... JUS_TYPES>
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std::string executeClassCallString(JUS_CLASS_TYPE* _pointer, JUS_RETURN (JUS_CLASS_TYPE::*_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((*_pointer.*_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 = int32_t(sizeof...(JUS_TYPES))-1;
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return etk::to_string((*_pointer.*_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_CLASS_TYPE, class... JUS_TYPES>
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std::string executeClassCallString(JUS_CLASS_TYPE* _pointer, void (JUS_CLASS_TYPE::*_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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(*_pointer.*_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 = int32_t(sizeof...(JUS_TYPES))-1;
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(*_pointer.*_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_CLASS_TYPE, class... JUS_TYPES>
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class AbstractFunctionTypeClass: public jus::AbstractFunction {
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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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public:
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using functionType = JUS_RETURN (JUS_CLASS_TYPE::*)(JUS_TYPES...);
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functionType m_function;
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AbstractFunctionTypeClass(const std::string& _name, const std::string& _desc, functionType _fptr):
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AbstractFunction(_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<sizeof...(JUS_TYPES); ++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, void* _class) override {
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JUS_CLASS_TYPE* tmpClass = (JUS_CLASS_TYPE*)_class;
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ejson::Object out;
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// check parameter number
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if (_params.size() != sizeof...(JUS_TYPES)) {
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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(sizeof...(JUS_TYPES));
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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<sizeof...(JUS_TYPES); ++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 = jus::executeClassCallJson(tmpClass, 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, void* _class) override {
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JUS_CLASS_TYPE* tmpClass = (JUS_CLASS_TYPE*)_class;
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std::string out;
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// check parameter number
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if (_params.size() != sizeof...(JUS_TYPES)) {
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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(sizeof...(JUS_TYPES));
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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<sizeof...(JUS_TYPES); ++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 = jus::executeClassCallString(tmpClass, 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_CLASS_TYPE, class... JUS_TYPES>
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const ParamType AbstractFunctionTypeClass<JUS_RETURN, JUS_CLASS_TYPE, JUS_TYPES...>::m_returnType = createType<JUS_RETURN>();
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template <class JUS_RETURN, class JUS_CLASS_TYPE, class... JUS_TYPES>
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const ParamType AbstractFunctionTypeClass<JUS_RETURN, JUS_CLASS_TYPE, JUS_TYPES...>::m_paramType[sizeof...(JUS_TYPES)] = {createType<JUS_TYPES>()...};
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template <typename JUS_RETURN, class JUS_CLASS_TYPE, typename... JUS_TYPES>
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AbstractFunction* createAbstractFunctionClass(const std::string& _name, const std::string& _desc, JUS_RETURN (JUS_CLASS_TYPE::*_fffp)(JUS_TYPES...)) {
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return new AbstractFunctionTypeClass<JUS_RETURN, JUS_CLASS_TYPE, JUS_TYPES...>(_name, _desc, _fffp);
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}
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}
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