QxOrm 1.4.9
C++ Object Relational Mapping library
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QxFunction_3.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
7**
8** This software is provided 'as-is', without any express or implied
9** warranty. In no event will the authors be held liable for any
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18** GNU General Public License Usage
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31
32#ifndef _QX_FUNCTION_3_H_
33#define _QX_FUNCTION_3_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, typename P3>
57{
58
59public:
60
61 typedef std::function<R (Owner *, P1, P2, P3)> type_fct;
66
67 virtual int getParamCount() const { return 3; }
68 virtual qx_bool isValidParams(const QString & params) const { Q_UNUSED(params); return true; }
69 virtual qx_bool isValidParams(const type_any_params & params) const { Q_UNUSED(params); return true; }
70
71private:
72
73 template <class T, bool bReturnValue /* = false */>
75 {
76 static inline qx_bool invoke(void * pOwner, const T & params, qx::any * ret, const QxFunction_3 * pThis)
77 {
79 QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
80 QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
81 QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
82 try { pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3); }
84 }
85 };
86
87 template <class T>
88 struct QxInvokerFct<T, true>
89 {
90 static inline qx_bool invoke(void * pOwner, const T & params, qx::any * ret, const QxFunction_3 * pThis)
91 {
93 QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
94 QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
95 QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
96 try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3); if (ret) { (* ret) = qx::any(retTmp); } }
98 }
99 };
100
101};
102
103template <typename R, typename P1, typename P2, typename P3>
104class QxFunction_3<void, R, P1, P2, P3> : public IxFunction
105{
106
107public:
108
109 typedef std::function<R (P1, P2, P3)> type_fct;
114
115 virtual int getParamCount() const { return 3; }
116 virtual qx_bool isValidParams(const QString & params) const { Q_UNUSED(params); return true; }
117 virtual qx_bool isValidParams(const type_any_params & params) const { Q_UNUSED(params); return true; }
118
119private:
120
121 template <class T, bool bReturnValue /* = false */>
123 {
124 static inline qx_bool invoke(const T & params, qx::any * ret, const QxFunction_3 * pThis)
125 {
127 QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
128 QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
129 QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
130 try { pThis->m_fct(p1, p2, p3); }
132 }
133 };
134
135 template <class T>
136 struct QxInvokerFct<T, true>
137 {
138 static inline qx_bool invoke(const T & params, qx::any * ret, const QxFunction_3 * pThis)
139 {
141 QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
142 QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
143 QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
144 try { R retTmp = pThis->m_fct(p1, p2, p3); if (ret) { (* ret) = qx::any(retTmp); } }
146 }
147 };
148
149};
150
151namespace function {
152
153template <class Owner, typename R, typename P1, typename P2, typename P3>
155{
156 typedef std::is_same<Owner, void> qx_verify_owner_tmp;
157 static_assert(qx_verify_owner_tmp::value, "qx_verify_owner_tmp::value");
158 IxFunction_ptr ptr = std::make_shared<QxFunction_3<void, R, P1, P2, P3> >(fct);
159 return ptr;
160}
161
162template <class Owner, typename R, typename P1, typename P2, typename P3>
164{
165 typedef std::is_same<Owner, void> qx_verify_owner_tmp;
166 static_assert(! qx_verify_owner_tmp::value, "! qx_verify_owner_tmp::value");
167 IxFunction_ptr ptr = std::make_shared<QxFunction_3<Owner, R, P1, P2, P3> >(fct);
168 return ptr;
169}
170
171} // namespace function
172} // namespace qx
173
174#endif // _QX_FUNCTION_3_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
qx::trait::remove_attr< P2, false >::type type_P2
qx::trait::remove_attr< P1, false >::type type_P1
virtual qx_bool isValidParams(const QString &params) const
qx::trait::remove_attr< P3, false >::type type_P3
std::function< R(P1, P2, P3)> type_fct
virtual qx_bool isValidParams(const type_any_params &params) const
qx::QxFunction_3<Owner, R, P1, P2, P3> : concrete function registered into QxOrm context defined into...
qx::trait::remove_attr< P3, false >::type type_P3
std::function< R(Owner *, P1, P2, P3)> type_fct
QX_FUNCTION_CLASS_MEMBER_FCT(QxFunction_3)
virtual int getParamCount() const
qx::trait::remove_attr< P1, false >::type type_P1
qx::trait::remove_attr< P2, false >::type type_P2
virtual qx_bool isValidParams(const QString &params) const
virtual qx_bool isValidParams(const type_any_params &params) const
IxFunction_ptr bind_fct_3(const typename QxFunction_3< Owner, R, P1, P2, P3 >::type_fct &fct)
IxFunction_ptr bind_member_fct_3(const typename QxFunction_3< Owner, R, P1, P2, P3 >::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_3 *pThis)
static qx_bool invoke(void *pOwner, const T &params, qx::any *ret, const QxFunction_3 *pThis)
static qx_bool invoke(const T &params, qx::any *ret, const QxFunction_3 *pThis)
static qx_bool invoke(const T &params, qx::any *ret, const QxFunction_3 *pThis)