1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
function genSigs( outName )
{
if exists( outName ) then
{
unlink( outName );
}
fOut = open(outName, "w");
fOut.write(
"/*\n"
" * Copyright (C) 2007-2023 Xagasoft, All rights reserved.\n"
" *\n"
" * This file is part of the libbu++ library and is released under the\n"
" * terms of the license contained in the file LICENSE.\n"
" */\n"
"\n"
"#ifndef BU_SIGNALS_H\n"
"#define BU_SIGNALS_H\n"
"\n"
"#include <typeinfo>\n"
"#include \"bu/util.h\"\n"
"#include \"bu/exceptionbase.h\"\n"
"#include \"bu/list.h\"\n"
"\n"
"namespace Bu\n"
"{\n"
" subExceptionDecl( SignalException );\n"
"\n"
);
for i in range( 0, 10 ) do
{
templParams = "typename ret";
templSpecParams = "";
funcParams = "";
funcAnonParams = "";
templCallParams = "ret";
templSpecCallParams = "";
funcCallParams = "";
if i >= 1 then
{
for p in range( 1, i ) do
{
if p > 1 then
{
funcCallParams << ", ";
funcParams << ", ";
funcAnonParams << ", ";
templSpecParams << ", ";
}
templParams << ", typename p${p}t";
templSpecParams << "typename p${p}t";
funcParams << "p${p}t p${p}";
funcAnonParams << "p${p}t";
templCallParams << ", p${p}t";
templSpecCallParams << ", p${p}t";
funcCallParams << "p${p}";
}
}
fOut.write(
"#ifndef BU_SIGNAL_PARAM_COUNT_${i}\n"
"#define BU_SIGNAL_PARAM_COUNT_${i}\n"
" //\n"
" // ${i} Parameter(s)\n"
" //\n"
" template<${templParams}>\n"
" class _Slot${i}\n"
" {\n"
" public:\n"
" _Slot${i}() { }\n"
" virtual ~_Slot${i}() { }\n"
" virtual ret operator()( ${funcParams} )=0;\n"
" virtual _Slot${i}<${templCallParams}> *clone() const=0;\n"
" virtual bool operator==( const _Slot${i}<${templCallParams}> &rhs ) const=0;\n"
" };\n"
" \n"
" template<typename cls, ${templParams}>\n"
" class __Slot${i} : public _Slot${i}<${templCallParams}>\n"
" {\n"
" public:\n"
" __Slot${i}( cls *pCls, ret (cls::*pFnc)( ${funcAnonParams} ) ) :\n"
" pCls( pCls ), pFnc( pFnc ) { }\n"
" virtual ~__Slot${i}() { }\n"
" \n"
" virtual ret operator()( ${funcParams} )\n"
" {\n"
" return (pCls->*pFnc)( ${funcCallParams} );\n"
" }\n"
" \n"
" virtual _Slot${i}<${templCallParams}> *clone() const\n"
" {\n"
" return new __Slot${i}<cls, ${templCallParams}>( pCls, pFnc );\n"
" }\n"
" \n"
" virtual bool operator==( const _Slot${i}<${templCallParams}> &rhs ) const\n"
" {\n"
" const __Slot${i}<cls, ${templCallParams}> &rrhs = (const __Slot${i}<cls, ${templCallParams}> &)rhs;\n"
" return pCls == rrhs.pCls && pFnc == rrhs.pFnc;\n"
" }\n"
" \n"
" private:\n"
" cls *pCls;\n"
" ret (cls::*pFnc)( ${funcAnonParams} );\n"
" };\n"
" \n"
" template<${templParams}>\n"
" class __Slot${i}F : public _Slot${i}<${templCallParams}>\n"
" {\n"
" public:\n"
" __Slot${i}F( ret (*pFnc)( ${funcAnonParams} ) ) :\n"
" pFnc( pFnc ) { }\n"
" virtual ~__Slot${i}F() { }\n"
" \n"
" virtual ret operator()( ${funcParams} )\n"
" {\n"
" return (*pFnc)( ${funcCallParams} );\n"
" }\n"
" \n"
" virtual _Slot${i}<${templCallParams}> *clone() const\n"
" {\n"
" return new __Slot${i}F<${templCallParams}>( pFnc );\n"
" }\n"
" \n"
" virtual bool operator==( const _Slot${i}<${templCallParams}> &rhs ) const\n"
" {\n"
" return pFnc == ((const __Slot${i}F<${templCallParams}> &)rhs).pFnc;\n"
" }\n"
" \n"
" private:\n"
" ret (*pFnc)( ${funcAnonParams} );\n"
" };\n"
" \n"
" template<${templParams}>\n"
" class Signal${i}\n"
" {\n"
" public:\n"
" Signal${i}() : pCb( NULL ) { }\n"
" Signal${i}( _Slot${i}<${templCallParams}> *pCb ) : pCb( pCb ) { }\n"
" Signal${i}( const Signal${i}<${templCallParams}> &rSrc ) :\n"
" pCb( (rSrc.pCb)?(rSrc.pCb->clone()):(NULL) ) { }\n"
" virtual ~Signal${i}() { delete pCb; pCb = NULL; }\n"
" \n"
" ret operator()( ${funcParams} )\n"
" {\n"
" if( !pCb ) throw SignalException(\"Uninitialized signal called.\");\n"
" return (*pCb)( ${funcCallParams} );\n"
" }\n"
" \n"
" bool isSet() const { return pCb != NULL; }\n"
" operator bool() const { return isSet(); }\n"
" \n"
" Signal${i}<${templCallParams}> &operator=( const Signal${i}<${templCallParams}> &rhs )\n"
" {\n"
" pCb = rhs.pCb->clone();\n"
" return *this;\n"
" }\n"
" \n"
" bool operator==( const Signal${i}<${templCallParams}> &rhs ) const\n"
" {\n"
" if( pCb == rhs.pCb )\n"
" return true;\n"
" if( pCb == NULL || rhs.pCb == NULL )\n"
" return false;\n"
" if( typeid(pCb) != typeid(rhs.pCb) )\n"
" return false;\n"
" return *pCb == *rhs.pCb;\n"
" }\n"
" \n"
" private:\n"
" _Slot${i}<${templCallParams}> *pCb;\n"
" };\n"
" \n"
" template<typename cls, ${templParams}>\n"
" Signal${i}<${templCallParams}> slot( cls *pCls, ret (cls::*pFnc)( ${funcAnonParams} ) )\n"
" {\n"
" if( !pCls || !pFnc ) throw SignalException(\"NULL pointer in slot().\");\n"
" return Signal${i}<${templCallParams}>(\n"
" new __Slot${i}<cls, ${templCallParams}>( pCls, pFnc )\n"
" );\n"
" }\n"
" \n"
" template<${templParams}>\n"
" Signal${i}<${templCallParams}> slot( ret (*pFnc)( ${funcAnonParams} ) )\n"
" {\n"
" if( !pFnc ) throw SignalException(\"NULL pointer in slot().\");\n"
" return Signal${i}<${templCallParams}>(\n"
" new __Slot${i}F<${templCallParams}>( pFnc )\n"
" );\n"
" }\n"
" \n"
" template<${templParams}>\n"
" class SignalList${i} : public Bu::List<Bu::Signal${i}<${templCallParams}> >\n"
" {\n"
" typedef Bu::List<Bu::Signal${i}<${templCallParams}> > MyType;\n"
" public:\n"
" SignalList${i}()\n"
" {\n"
" }\n"
" \n"
" using typename Bu::List<Bu::Signal${i}<${templCallParams}> >::iterator;\n"
" using typename Bu::List<Bu::Signal${i}<${templCallParams}> >::const_iterator;\n"
" \n"
" ret operator()( ${funcParams} )\n"
" {\n"
" typename MyType::iterator i, n;\n"
" for(i = MyType::begin(); i; i=n)\n"
" {\n"
" n = i;\n"
" n++;\n"
" if( n )\n"
" (*i)( ${funcCallParams} );\n"
" else\n"
" return (*i)( ${funcCallParams} );\n"
" }\n"
" throw Bu::SignalException(\"Empty SignalList with non-void return value called.\");\n"
" }\n"
" };\n"
" \n"
" template<${templSpecParams}>\n"
" class SignalList${i}<void${templSpecCallParams}> : public Bu::List<Bu::Signal${i}<void${templSpecCallParams}> >\n"
" {\n"
" typedef Bu::List<Bu::Signal${i}<void${templSpecCallParams}> > MyType;\n"
" public:\n"
" SignalList${i}()\n"
" {\n"
" }\n"
" \n"
" using typename Bu::List<Bu::Signal${i}<void${templSpecCallParams}> >::iterator;\n"
" using typename Bu::List<Bu::Signal${i}<void${templSpecCallParams}> >::const_iterator;\n"
" \n"
" void operator()( ${funcParams} )\n"
" {\n"
" for( typename MyType::iterator i = MyType::begin(); i; i++ )\n"
" (*i)( ${funcCallParams} );\n"
" }\n"
" };\n"
"#endif // BU_SIGNAL_PARAM_COUNT_${i}\n"
"\n"
);
}
fOut.write(
"};\n"
"\n"
"#endif\n"
);
fOut.close();
}
|
