QxOrm 1.4.9
C++ Object Relational Mapping library
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QxFunction_2.h
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1/****************************************************************************
2**
3** https://www.qxorm.com/
4** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
5**
6** This file is part of the QxOrm library
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18** GNU General Public License Usage
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31
32#ifndef _QX_FUNCTION_2_H_
33#define _QX_FUNCTION_2_H_
34
35#ifdef _MSC_VER
36#pragma once
37#endif
38
48
49namespace qx {
50
55template <class Owner, typename R, typename P1, typename P2>
57{
58
59public:
60
61 typedef std::function<R (Owner *, P1, P2)> type_fct;
65
66 virtual int getParamCount() const { return 2; }
67 virtual qx_bool isValidParams(const QString & params) const { Q_UNUSED(params); return true; }
68 virtual qx_bool isValidParams(const type_any_params & params) const { Q_UNUSED(params); return true; }
69
70private:
71
72 template <class T, bool bReturnValue /* = false */>
74 {
75 static inline qx_bool invoke(void * pOwner, const T & params, qx::any * ret, const QxFunction_2 * pThis)
76 {
78 QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
79 QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
80 try { pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2); }
82 }
83 };
84
85 template <class T>
86 struct QxInvokerFct<T, true>
87 {
88 static inline qx_bool invoke(void * pOwner, const T & params, qx::any * ret, const QxFunction_2 * pThis)
89 {
91 QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
92 QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
93 try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2); if (ret) { (* ret) = qx::any(retTmp); } }
95 }
96 };
97
98};
99
100template <typename R, typename P1, typename P2>
101class QxFunction_2<void, R, P1, P2> : public IxFunction
102{
103
104public:
105
106 typedef std::function<R (P1, P2)> type_fct;
110
111 virtual int getParamCount() const { return 2; }
112 virtual qx_bool isValidParams(const QString & params) const { Q_UNUSED(params); return true; }
113 virtual qx_bool isValidParams(const type_any_params & params) const { Q_UNUSED(params); return true; }
114
115private:
116
117 template <class T, bool bReturnValue /* = false */>
119 {
120 static inline qx_bool invoke(const T & params, qx::any * ret, const QxFunction_2 * pThis)
121 {
123 QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
124 QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
125 try { pThis->m_fct(p1, p2); }
127 }
128 };
129
130 template <class T>
131 struct QxInvokerFct<T, true>
132 {
133 static inline qx_bool invoke(const T & params, qx::any * ret, const QxFunction_2 * pThis)
134 {
136 QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
137 QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
138 try { R retTmp = pThis->m_fct(p1, p2); if (ret) { (* ret) = qx::any(retTmp); } }
140 }
141 };
142
143};
144
145namespace function {
146
147template <class Owner, typename R, typename P1, typename P2>
149{
150 typedef std::is_same<Owner, void> qx_verify_owner_tmp;
151 static_assert(qx_verify_owner_tmp::value, "qx_verify_owner_tmp::value");
152 IxFunction_ptr ptr = std::make_shared<QxFunction_2<void, R, P1, P2> >(fct);
153 return ptr;
154}
155
156template <class Owner, typename R, typename P1, typename P2>
158{
159 typedef std::is_same<Owner, void> qx_verify_owner_tmp;
160 static_assert(! qx_verify_owner_tmp::value, "! qx_verify_owner_tmp::value");
161 IxFunction_ptr ptr = std::make_shared<QxFunction_2<Owner, R, P1, P2> >(fct);
162 return ptr;
163}
164
165} // namespace function
166} // namespace qx
167
168#endif // _QX_FUNCTION_2_H_
Common interface for all functions registered into QxOrm context (used by introspection engine)
#define QX_FUNCTION_FETCH_PARAM(TYPE, VALUE, FCT)
#define QX_FUNCTION_INVOKE_START_WITHOUT_OWNER()
#define QX_FUNCTION_INVOKE_START_WITH_OWNER()
#define QX_FUNCTION_CATCH_AND_RETURN_INVOKE()
qx::function::detail::get_param_X() : provide some helper functions to retrieve parameters for all qx...
qx::IxFunction : common interface for all functions registered into QxOrm context (used by introspect...
Definition IxFunction.h:64
std::vector< qx::any > type_any_params
Definition IxFunction.h:74
qx_bool : boolean type with code and description message when an error occured
Definition QxBool.h:71
virtual qx_bool isValidParams(const QString &params) const
qx::trait::remove_attr< P2, false >::type type_P2
std::function< R(P1, P2)> type_fct
qx::trait::remove_attr< P1, false >::type type_P1
virtual qx_bool isValidParams(const type_any_params &params) const
qx::QxFunction_2<Owner, R, P1, P2> : concrete function registered into QxOrm context defined into cla...
virtual int getParamCount() const
virtual qx_bool isValidParams(const QString &params) const
std::function< R(Owner *, P1, P2)> type_fct
virtual qx_bool isValidParams(const type_any_params &params) const
qx::trait::remove_attr< P1, false >::type type_P1
qx::trait::remove_attr< P2, false >::type type_P2
QX_FUNCTION_CLASS_MEMBER_FCT(QxFunction_2)
IxFunction_ptr bind_fct_2(const typename QxFunction_2< Owner, R, P1, P2 >::type_fct &fct)
IxFunction_ptr bind_member_fct_2(const typename QxFunction_2< Owner, R, P1, P2 >::type_fct &fct)
Root namespace for all QxOrm library features.
std::shared_ptr< IxFunction > IxFunction_ptr
Definition IxFunction.h:131
static qx_bool invoke(void *pOwner, const T &params, qx::any *ret, const QxFunction_2 *pThis)
static qx_bool invoke(void *pOwner, const T &params, qx::any *ret, const QxFunction_2 *pThis)
static qx_bool invoke(const T &params, qx::any *ret, const QxFunction_2 *pThis)
static qx_bool invoke(const T &params, qx::any *ret, const QxFunction_2 *pThis)