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1 | // Created on: 2008-06-21 |
2 | // Created by: Vladislav ROMASHKO |
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3 | // Copyright (c) 2008-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
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16 | |
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17 | #include <TFunction_DataMapOfLabelListOfLabel.hxx> |
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18 | #include <TFunction_DriverTable.hxx> |
19 | #include <TFunction_Function.hxx> |
20 | #include <TFunction_GraphNode.hxx> |
21 | #include <TFunction_IFunction.hxx> |
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22 | #include <TFunction_Scope.hxx> |
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23 | |
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24 | //======================================================================= |
25 | //function : NewFunction |
26 | //purpose : Static method to create a new function. |
27 | //======================================================================= |
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28 | Standard_Boolean TFunction_IFunction::NewFunction(const TDF_Label& L, const Standard_GUID& ID) |
29 | { |
30 | // Set Function (ID, code of failure) |
31 | TFunction_Function::Set(L, ID)->SetFailure(0); |
32 | |
33 | // Set graph node (dependencies, status) |
34 | Handle(TFunction_GraphNode) graphNode = TFunction_GraphNode::Set(L); |
35 | graphNode->RemoveAllPrevious(); |
36 | graphNode->RemoveAllNext(); |
37 | graphNode->SetStatus(TFunction_ES_WrongDefinition); |
38 | |
39 | // Check presence of the function in the current scope |
40 | TFunction_Scope::Set(L)->AddFunction(L); |
41 | |
42 | return TFunction_DriverTable::Get()->HasDriver(ID); |
43 | } |
44 | |
45 | //======================================================================= |
46 | //function : DeleteFunction |
47 | //purpose : Static method to delete a function. |
48 | //======================================================================= |
49 | |
50 | Standard_Boolean TFunction_IFunction::DeleteFunction(const TDF_Label& L) |
51 | { |
52 | // Delete Function |
53 | Handle(TFunction_Function) func; |
54 | if (L.FindAttribute(TFunction_Function::GetID(), func)) |
55 | L.ForgetAttribute(func); |
56 | |
57 | // Take the scope of functions |
58 | Handle(TFunction_Scope) scope = TFunction_Scope::Set(L); |
59 | const Standard_Integer funcID = scope->GetFunctions().Find2(L); |
60 | |
61 | // Delete graph node |
62 | Handle(TFunction_GraphNode) graphNode; |
63 | if (L.FindAttribute(TFunction_GraphNode::GetID(), graphNode)) |
64 | { |
65 | const TColStd_MapOfInteger& prev = graphNode->GetPrevious(); |
66 | const TColStd_MapOfInteger& next = graphNode->GetNext(); |
67 | // Disconnect previous functions |
68 | TColStd_MapIteratorOfMapOfInteger itrm(prev); |
69 | for (; itrm.More(); itrm.Next()) |
70 | { |
71 | const Standard_Integer ID = itrm.Key(); |
72 | const TDF_Label& La = scope->GetFunctions().Find1(ID); |
73 | Handle(TFunction_GraphNode) G; |
74 | if (La.FindAttribute(TFunction_GraphNode::GetID(), G)) |
75 | { |
76 | G->RemoveNext(funcID); |
77 | } |
78 | } |
79 | // Disconnect next functions |
80 | for (itrm.Initialize(next); itrm.More(); itrm.Next()) |
81 | { |
82 | const Standard_Integer ID = itrm.Key(); |
83 | const TDF_Label& La = scope->GetFunctions().Find1(ID); |
84 | Handle(TFunction_GraphNode) G; |
85 | if (La.FindAttribute(TFunction_GraphNode::GetID(), G)) |
86 | { |
87 | G->RemovePrevious(funcID); |
88 | } |
89 | } |
90 | |
91 | L.ForgetAttribute(graphNode); |
92 | } |
93 | |
94 | // Delete the function from the current scope of functions. |
95 | scope->RemoveFunction(L); |
96 | |
97 | return Standard_True; |
98 | } |
99 | |
100 | //======================================================================= |
101 | //function : UpdateDependencies |
102 | //purpose : Updates the dependencies of all functions. |
103 | //======================================================================= |
104 | |
105 | Standard_Boolean TFunction_IFunction::UpdateDependencies(const TDF_Label& Access) |
106 | { |
107 | // Take the scope of functions. |
108 | Handle(TFunction_Scope) scope = TFunction_Scope::Set(Access); |
109 | |
110 | // Make a data map of function - results. |
111 | TFunction_DataMapOfLabelListOfLabel table; |
112 | TFunction_DoubleMapIteratorOfDoubleMapOfIntegerLabel itrm(scope->GetFunctions()); |
113 | for (; itrm.More(); itrm.Next()) |
114 | { |
115 | // Label of the function |
116 | const TDF_Label& L = itrm.Key2(); |
117 | TFunction_IFunction iFunction(L); |
118 | |
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119 | // Take the driver. |
120 | Handle(TFunction_Driver) driver = iFunction.GetDriver(); |
121 | |
122 | // Take the results. |
123 | TDF_LabelList res; |
124 | driver->Results(res); |
125 | |
126 | // Fill-in the table |
127 | table.Bind(L, res); |
128 | |
129 | // Clean the graph node |
130 | Handle(TFunction_GraphNode) graphNode = iFunction.GetGraphNode(); |
131 | graphNode->RemoveAllPrevious(); |
132 | graphNode->RemoveAllNext(); |
133 | } |
134 | |
135 | // Update previous and next functions for each function of the scope |
136 | TFunction_DataMapIteratorOfDataMapOfLabelListOfLabel itrd; |
137 | for (itrm.Initialize(scope->GetFunctions()); itrm.More(); itrm.Next()) |
138 | { |
139 | // Label of the functions |
140 | const TDF_Label& L = itrm.Key2(); |
141 | TFunction_IFunction iFunction(L); |
142 | |
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143 | // Take the driver. |
144 | Handle(TFunction_Driver) driver = iFunction.GetDriver(); |
145 | |
146 | // Take the arguments. |
147 | TDF_LabelList args; |
148 | driver->Arguments(args); |
149 | |
150 | // Make a map of arguments |
151 | TDF_LabelMap argsMap; |
152 | TDF_ListIteratorOfLabelList itrl(args); |
153 | for (; itrl.More(); itrl.Next()) |
154 | argsMap.Add(itrl.Value()); |
155 | |
156 | // ID of the function |
157 | const Standard_Integer funcID = itrm.Key1(); |
158 | |
159 | // Find the functions, which produce the arguments of this function. |
160 | for (itrd.Initialize(table); itrd.More(); itrd.Next()) |
161 | { |
162 | const TDF_Label& anotherL = itrd.Key(); |
163 | if (L == anotherL) |
164 | continue; |
165 | const TDF_LabelList& anotherRes = itrd.Value(); |
166 | |
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167 | for (itrl.Initialize(anotherRes); itrl.More(); itrl.Next()) |
168 | { |
169 | if (argsMap.Contains(itrl.Value())) |
170 | { |
171 | iFunction.GetGraphNode()->AddPrevious(anotherL); |
172 | |
173 | TFunction_IFunction iAnotherFunction(anotherL); |
174 | iAnotherFunction.GetGraphNode()->AddNext(funcID); |
175 | } |
176 | } |
177 | } |
178 | } |
179 | |
180 | return Standard_True; |
181 | } |
182 | |
183 | //======================================================================= |
184 | //function : Create |
185 | //purpose : Constructor |
186 | //======================================================================= |
187 | |
188 | TFunction_IFunction::TFunction_IFunction() |
189 | { |
190 | |
191 | } |
192 | |
193 | //======================================================================= |
194 | //function : Create |
195 | //purpose : Constructor |
196 | //======================================================================= |
197 | |
198 | TFunction_IFunction::TFunction_IFunction(const TDF_Label& L) |
199 | { |
200 | Init(L); |
201 | } |
202 | |
203 | //======================================================================= |
204 | //function : Init |
205 | //purpose : Initializes the interface. |
206 | //======================================================================= |
207 | |
208 | void TFunction_IFunction::Init(const TDF_Label& L) |
209 | { |
210 | myLabel = L; |
211 | } |
212 | |
213 | //======================================================================= |
214 | //function : Label |
215 | //purpose : Returns the label of the interface. |
216 | //======================================================================= |
217 | |
218 | const TDF_Label& TFunction_IFunction::Label() const |
219 | { |
220 | return myLabel; |
221 | } |
222 | |
223 | //======================================================================= |
224 | //function : UpdateDependencies |
225 | //purpose : Updates the dependencies of this function only. |
226 | //======================================================================= |
227 | |
228 | Standard_Boolean TFunction_IFunction::UpdateDependencies() const |
229 | { |
230 | // Take the arguments & results of the functions |
231 | TDF_LabelList args, res; |
232 | Handle(TFunction_Driver) D = GetDriver(); |
233 | D->Arguments(args); |
234 | D->Results(res); |
235 | |
236 | // Insert the arguments and results into maps for fast searching. |
237 | TDF_LabelMap argsMap, resMap; |
238 | TDF_ListIteratorOfLabelList itrl(args); |
239 | for (; itrl.More(); itrl.Next()) |
240 | { |
241 | argsMap.Add(itrl.Value()); |
242 | } |
243 | for (itrl.Initialize(res); itrl.More(); itrl.Next()) |
244 | { |
245 | resMap.Add(itrl.Value()); |
246 | } |
247 | |
248 | // Consider all other functions checking their attitude to this function. |
249 | Handle(TFunction_Scope) scope = TFunction_Scope::Set(myLabel); |
250 | TFunction_DoubleMapIteratorOfDoubleMapOfIntegerLabel itrm(scope->GetFunctions()); |
251 | for (; itrm.More(); itrm.Next()) |
252 | { |
253 | const TDF_Label& L = itrm.Key2(); |
254 | if (L == myLabel) |
255 | continue; |
256 | TFunction_IFunction iFunc(L); |
257 | D = iFunc.GetDriver(); |
258 | |
259 | // Arguments of another function |
260 | args.Clear(); |
261 | D->Arguments(args); |
262 | |
263 | // Check presence of the arguments in results of our function |
264 | for (itrl.Initialize(args); itrl.More(); itrl.Next()) |
265 | { |
266 | if (resMap.Contains(itrl.Value())) |
267 | { |
268 | // Our function is a previous one for this function. |
269 | GetGraphNode()->AddNext(scope->GetFunctions().Find2(L)); |
270 | iFunc.GetGraphNode()->AddPrevious(scope->GetFunctions().Find2(myLabel)); |
271 | } |
272 | } |
273 | |
274 | // Results of another function |
275 | res.Clear(); |
276 | D->Results(res); |
277 | |
278 | // Check presence of the results in arguments of our function |
279 | for (itrl.Initialize(res); itrl.More(); itrl.Next()) |
280 | { |
281 | if (argsMap.Contains(itrl.Value())) |
282 | { |
283 | // Our function is a next one for this function. |
284 | GetGraphNode()->AddPrevious(scope->GetFunctions().Find2(L)); |
285 | iFunc.GetGraphNode()->AddNext(scope->GetFunctions().Find2(myLabel)); |
286 | } |
287 | } |
288 | } |
289 | |
290 | return Standard_True; |
291 | } |
292 | |
293 | //======================================================================= |
294 | //function : Arguments |
295 | //purpose : The method fills-in the list by labels, |
296 | // where the arguments of the function are located. |
297 | //======================================================================= |
298 | |
299 | void TFunction_IFunction::Arguments(TDF_LabelList& args) const |
300 | { |
301 | Handle(TFunction_Driver) driver = GetDriver(); |
302 | driver->Arguments(args); |
303 | } |
304 | |
305 | //======================================================================= |
306 | //function : Results |
307 | //purpose : The method fills-in the list by labels, |
308 | // where the results of the function are located. |
309 | //======================================================================= |
310 | |
311 | void TFunction_IFunction::Results(TDF_LabelList& res) const |
312 | { |
313 | Handle(TFunction_Driver) driver = GetDriver(); |
314 | driver->Results(res); |
315 | } |
316 | |
317 | //======================================================================= |
318 | //function : GetPrevious |
319 | //purpose : Returns a list of previous functions. |
320 | //======================================================================= |
321 | |
322 | void TFunction_IFunction::GetPrevious(TDF_LabelList& prev) const |
323 | { |
324 | Handle(TFunction_GraphNode) graph = GetGraphNode(); |
325 | const TColStd_MapOfInteger& map = graph->GetPrevious(); |
326 | Handle(TFunction_Scope) scope = TFunction_Scope::Set(myLabel); |
327 | |
328 | TColStd_MapIteratorOfMapOfInteger itrm(map); |
329 | for (; itrm.More(); itrm.Next()) |
330 | { |
331 | const Standard_Integer funcID = itrm.Key(); |
332 | if (scope->GetFunctions().IsBound1(funcID)) |
333 | { |
334 | prev.Append(scope->GetFunctions().Find1(funcID)); |
335 | } |
336 | } |
337 | } |
338 | |
339 | //======================================================================= |
340 | //function : GetNext |
341 | //purpose : Returns a list of next functions. |
342 | //======================================================================= |
343 | |
344 | void TFunction_IFunction::GetNext(TDF_LabelList& next) const |
345 | { |
346 | Handle(TFunction_GraphNode) graph = GetGraphNode(); |
347 | const TColStd_MapOfInteger& map = graph->GetNext(); |
348 | Handle(TFunction_Scope) scope = TFunction_Scope::Set(myLabel); |
349 | |
350 | TColStd_MapIteratorOfMapOfInteger itrm(map); |
351 | for (; itrm.More(); itrm.Next()) |
352 | { |
353 | const Standard_Integer funcID = itrm.Key(); |
354 | if (scope->GetFunctions().IsBound1(funcID)) |
355 | { |
356 | next.Append(scope->GetFunctions().Find1(funcID)); |
357 | } |
358 | } |
359 | } |
360 | |
361 | //======================================================================= |
362 | //function : GetStatus |
363 | //purpose : Returns the execution status of the function. |
364 | //======================================================================= |
365 | |
366 | TFunction_ExecutionStatus TFunction_IFunction::GetStatus() const |
367 | { |
368 | Handle(TFunction_GraphNode) graph = GetGraphNode(); |
369 | return graph->GetStatus(); |
370 | } |
371 | |
372 | //======================================================================= |
373 | //function : SetStatus |
374 | //purpose : Defines an execution status for a function. |
375 | //======================================================================= |
376 | |
377 | void TFunction_IFunction::SetStatus(const TFunction_ExecutionStatus status) const |
378 | { |
379 | Handle(TFunction_GraphNode) graph = GetGraphNode(); |
380 | graph->SetStatus(status); |
381 | } |
382 | |
383 | //======================================================================= |
384 | //function : GetFunctions |
385 | //purpose : Returns the scope of functions. |
386 | //======================================================================= |
387 | |
388 | const TFunction_DoubleMapOfIntegerLabel& TFunction_IFunction::GetAllFunctions() const |
389 | { |
390 | return TFunction_Scope::Set(myLabel)->GetFunctions(); |
391 | } |
392 | |
393 | //======================================================================= |
394 | //function : GetLogbook |
395 | //purpose : Returns the Logbook. |
396 | //======================================================================= |
397 | |
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398 | Handle(TFunction_Logbook) TFunction_IFunction::GetLogbook() const |
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399 | { |
400 | return TFunction_Scope::Set(myLabel)->GetLogbook(); |
401 | } |
402 | |
403 | //======================================================================= |
404 | //function : GetDriver |
405 | //purpose : Returns the function driver. |
406 | //======================================================================= |
407 | |
408 | Handle(TFunction_Driver) TFunction_IFunction::GetDriver(const Standard_Integer thread) const |
409 | { |
410 | Handle(TFunction_Driver) driver; |
411 | Handle(TFunction_Function) func; |
412 | if (!myLabel.FindAttribute(TFunction_Function::GetID(), func)) |
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413 | throw Standard_NoSuchObject("TFunction_IFunction::GetDriver(): A Function is not found attached to this label"); |
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414 | if (!TFunction_DriverTable::Get()->FindDriver(func->GetDriverGUID(), driver, thread)) |
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415 | throw Standard_NoSuchObject("TFunction_IFunction::GetDriver(): A driver is not found for this ID"); |
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416 | driver->Init(myLabel); |
417 | return driver; |
418 | } |
419 | |
420 | //======================================================================= |
421 | //function : GetGraphNode |
422 | //purpose : Returns a graph node of the function. |
423 | //======================================================================= |
424 | |
425 | Handle(TFunction_GraphNode) TFunction_IFunction::GetGraphNode() const |
426 | { |
427 | Handle(TFunction_GraphNode) graphNode; |
428 | if (!myLabel.FindAttribute(TFunction_GraphNode::GetID(), graphNode)) |
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429 | throw Standard_NoSuchObject("TFunction_IFunction::GetStatus(): A graph node is not found attached to this label"); |
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430 | return graphNode; |
431 | } |