Skip to content

D
dlib
Commit 381e450b authored by Davis King's avatar Davis King
Browse files
Options

Added the ability to bind function objects as well as normal C style functions 

and member function pointers.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%402679
parent 2d3e8dd3
Hide whitespace changes
Inline Side-by-side
Showing with 230 additions and 20 deletions
dlib/bound_function_pointer/bound_function_pointer_kernel_1.h
View file @ 381e450b
......@@ -14,6 +14,10 @@ namespace dlib
namespace bfp1_helpers
{
template <typename T> struct strip { typedef T type; };
template <typename T> struct strip<T&> { typedef T type; };
// ------------------------------------------------------------------------------------
class bound_function_helper_base_base
{
......@@ -30,9 +34,6 @@ namespace dlib
class bound_function_helper_base : public bound_function_helper_base_base
{
public:
template <typename T> struct strip { typedef T type; };
template <typename T> struct strip<T&> { typedef T type; };
bound_function_helper_base():arg1(0), arg2(0), arg3(0), arg4(0) {}
typename strip<T1>::type* arg1;
......@@ -44,9 +45,23 @@ namespace dlib
typename member_function_pointer<T1,T2,T3,T4>::kernel_1a_c mfp;
};
template <typename T1, typename T2 = void, typename T3 = void, typename T4 = void>
// ----------------
template <typename F, typename T1, typename T2 = void, typename T3 = void, typename T4 = void>
class bound_function_helper : public bound_function_helper_base<T1,T2,T3,T4>
{
public:
void call() const
{
(*fp)(*this->arg1, *this->arg2, *this->arg3, *this->arg4);
}
typename strip<F>::type* fp;
};
template <typename T1, typename T2, typename T3, typename T4>
class bound_function_helper<void,T1,T2,T3,T4> : public bound_function_helper_base<T1,T2,T3,T4>
{
public:
void call() const
{
......@@ -57,8 +72,22 @@ namespace dlib
void (*fp)(T1, T2, T3, T4);
};
// ----------------
template <typename F, typename T1>
class bound_function_helper<F,T1,void,void,void> : public bound_function_helper_base<T1,void,void,void>
{
public:
void call() const
{
(*fp)(*this->arg1);
}
typename strip<F>::type* fp;
};
template <typename T1>
class bound_function_helper<T1,void,void,void> : public bound_function_helper_base<T1,void,void,void>
class bound_function_helper<void,T1,void,void,void> : public bound_function_helper_base<T1,void,void,void>
{
public:
void call() const
......@@ -70,8 +99,22 @@ namespace dlib
void (*fp)(T1);
};
// ----------------
template <typename F, typename T1, typename T2>
class bound_function_helper<F,T1,T2,void,void> : public bound_function_helper_base<T1,T2,void,void>
{
public:
void call() const
{
(*fp)(*this->arg1, *this->arg2);
}
typename strip<F>::type* fp;
};
template <typename T1, typename T2>
class bound_function_helper<T1,T2,void,void> : public bound_function_helper_base<T1,T2,void,void>
class bound_function_helper<void,T1,T2,void,void> : public bound_function_helper_base<T1,T2,void,void>
{
public:
void call() const
......@@ -83,8 +126,22 @@ namespace dlib
void (*fp)(T1, T2);
};
// ----------------
template <typename F, typename T1, typename T2, typename T3>
class bound_function_helper<F,T1,T2,T3,void> : public bound_function_helper_base<T1,T2,T3,void>
{
public:
void call() const
{
(*fp)(*this->arg1, *this->arg2, *this->arg3);
}
typename strip<F>::type* fp;
};
template <typename T1, typename T2, typename T3>
class bound_function_helper<T1,T2,T3,void> : public bound_function_helper_base<T1,T2,T3,void>
class bound_function_helper<void,T1,T2,T3,void> : public bound_function_helper_base<T1,T2,T3,void>
{
public:
......@@ -97,6 +154,7 @@ namespace dlib
void (*fp)(T1, T2, T3);
};
// ------------------------------------------------------------------------------------
// ------------------------------------------------------------------------------------
template <typename T>
......@@ -138,7 +196,7 @@ namespace dlib
class bound_function_pointer_kernel_1
{
typedef bfp1_helpers::bound_function_helper_T<bfp1_helpers::bound_function_helper<int> > bf_null_type;
typedef bfp1_helpers::bound_function_helper_T<bfp1_helpers::bound_function_helper<void,int> > bf_null_type;
public:
bound_function_pointer_kernel_1 (
......@@ -196,6 +254,101 @@ namespace dlib
operator safe_bool () const { return is_set() ? &dummy::nonnull : 0; }
bool operator!() const { return !is_set(); }
// -------------------------------------------
// set function object overloads
// -------------------------------------------
template <typename F, typename A1 >
void set (
F& function_object,
A1& arg1
)
{
COMPILE_TIME_ASSERT(is_function<F>::value == false);
COMPILE_TIME_ASSERT(is_pointer_type<F>::value == false);
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<F,A1> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
temp.fp = &function_object;
temp.safe_clone(bf_memory.data);
}
template <typename F, typename A1, typename A2 >
void set (
F& function_object,
A1& arg1,
A2& arg2
)
{
COMPILE_TIME_ASSERT(is_function<F>::value == false);
COMPILE_TIME_ASSERT(is_pointer_type<F>::value == false);
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<F,A1,A2> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
temp.arg2 = &arg2;
temp.fp = &function_object;
temp.safe_clone(bf_memory.data);
}
template <typename F, typename A1, typename A2, typename A3 >
void set (
F& function_object,
A1& arg1,
A2& arg2,
A3& arg3
)
{
COMPILE_TIME_ASSERT(is_function<F>::value == false);
COMPILE_TIME_ASSERT(is_pointer_type<F>::value == false);
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<F,A1,A2,A3> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
temp.arg2 = &arg2;
temp.arg3 = &arg3;
temp.fp = &function_object;
temp.safe_clone(bf_memory.data);
}
template <typename F, typename A1, typename A2, typename A3, typename A4>
void set (
F& function_object,
A1& arg1,
A2& arg2,
A3& arg3,
A4& arg4
)
{
COMPILE_TIME_ASSERT(is_function<F>::value == false);
COMPILE_TIME_ASSERT(is_pointer_type<F>::value == false);
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<F,A1,A2,A3,A4> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
temp.arg2 = &arg2;
temp.arg3 = &arg3;
temp.arg4 = &arg4;
temp.fp = &function_object;
temp.safe_clone(bf_memory.data);
}
// -------------------------------------------
// set mfp overloads
......@@ -210,7 +363,7 @@ namespace dlib
{
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<T1> > bf_helper_type;
typedef bound_function_helper_T<bound_function_helper<void,T1> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
......@@ -228,7 +381,7 @@ namespace dlib
{
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<T1> > bf_helper_type;
typedef bound_function_helper_T<bound_function_helper<void,T1> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
......@@ -250,7 +403,7 @@ namespace dlib
{
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<T1,T2> > bf_helper_type;
typedef bound_function_helper_T<bound_function_helper<void,T1,T2> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
......@@ -271,7 +424,7 @@ namespace dlib
{
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<T1,T2> > bf_helper_type;
typedef bound_function_helper_T<bound_function_helper<void,T1,T2> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
......@@ -296,7 +449,7 @@ namespace dlib
{
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<T1,T2,T3> > bf_helper_type;
typedef bound_function_helper_T<bound_function_helper<void,T1,T2,T3> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
......@@ -320,7 +473,7 @@ namespace dlib
{
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<T1,T2,T3> > bf_helper_type;
typedef bound_function_helper_T<bound_function_helper<void,T1,T2,T3> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
......@@ -348,7 +501,7 @@ namespace dlib
{
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<T1,T2,T3,T4> > bf_helper_type;
typedef bound_function_helper_T<bound_function_helper<void,T1,T2,T3,T4> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
......@@ -375,7 +528,7 @@ namespace dlib
{
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<T1,T2,T3,T4> > bf_helper_type;
typedef bound_function_helper_T<bound_function_helper<void,T1,T2,T3,T4> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
......@@ -399,7 +552,7 @@ namespace dlib
{
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<T1> > bf_helper_type;
typedef bound_function_helper_T<bound_function_helper<void,T1> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
......@@ -418,7 +571,7 @@ namespace dlib
{
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<T1,T2> > bf_helper_type;
typedef bound_function_helper_T<bound_function_helper<void,T1,T2> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
......@@ -440,7 +593,7 @@ namespace dlib
{
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<T1,T2,T3> > bf_helper_type;
typedef bound_function_helper_T<bound_function_helper<void,T1,T2,T3> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
......@@ -465,7 +618,7 @@ namespace dlib
{
using namespace bfp1_helpers;
destroy_bf_memory();
typedef bound_function_helper_T<bound_function_helper<T1,T2,T3,T4> > bf_helper_type;
typedef bound_function_helper_T<bound_function_helper<void,T1,T2,T3,T4> > bf_helper_type;
bf_helper_type temp;
temp.arg1 = &arg1;
......
dlib/bound_function_pointer/bound_function_pointer_kernel_abstract.h
View file @ 381e450b
......@@ -121,6 +121,19 @@ namespace dlib
// ----------------------
template <typename F, typename A1 >
void set (
F& function_object,
A1& arg1
);
/*!
requires
- function_object(arg1) is a valid expression
ensures
- #is_set() == true
- calls to this->operator() will call function_object(arg1)
!*/
template < typename T, typename T1, typename A1 >
void set (
T& object,
......@@ -163,6 +176,19 @@ namespace dlib
!*/
// ----------------------
template <typename F, typename A1, typename A2 >
void set (
F& function_object,
A1& arg1,
A2& arg2
);
/*!
requires
- function_object(arg1,arg2) is a valid expression
ensures
- #is_set() == true
- calls to this->operator() will call function_object(arg1,arg2)
!*/
template < typename T, typename T1, typename A1
typename T2, typename A2>
......@@ -213,6 +239,21 @@ namespace dlib
// ----------------------
template <typename F, typename A1, typename A2, typename A3 >
void set (
F& function_object,
A1& arg1,
A2& arg2,
A3& arg3
);
/*!
requires
- function_object(arg1,arg2,arg3) is a valid expression
ensures
- #is_set() == true
- calls to this->operator() will call function_object(arg1,arg2,arg3)
!*/
template < typename T, typename T1, typename A1
typename T2, typename A2,
typename T3, typename A3>
......@@ -268,6 +309,22 @@ namespace dlib
// ----------------------
template <typename F, typename A1, typename A2, typename A3, typename A4>
void set (
F& function_object,
A1& arg1,
A2& arg2,
A3& arg3,
A4& arg4
);
/*!
requires
- function_object(arg1,arg2,arg3,arg4) is a valid expression
ensures
- #is_set() == true
- calls to this->operator() will call function_object(arg1,arg2,arg3,arg4)
!*/
template < typename T, typename T1, typename A1
typename T2, typename A2,
typename T3, typename A3,
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment