source: XIOS/dev/dev_olga/src/parse_expr/filter_expr_node.hpp @ 1686

Last change on this file since 1686 was 1686, checked in by yushan, 2 years ago

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1#ifndef __XIOS_FILTER_EXPR_NODE_HPP__
2#define __XIOS_FILTER_EXPR_NODE_HPP__
3
4#include <string>
5#include <boost/smart_ptr/scoped_ptr.hpp>
6#include "scalar_expr_node.hpp"
7
8#include "duration.hpp"
9
10namespace xios
11{
12  class COutputPin;
13  class CGarbageCollector;
14  class CField;
15
16  /*!
17   * Interface implemented by all the nodes of a tree representing an expression
18   * which can be transformed into a filter graph representation.
19   */
20  struct IFilterExprNode
21  {
22    /*!
23     * Builds a filter graph corresponding to the expression tree.
24     *
25     * \param gc the garbage collector to associated with the filter graph
26     * \param thisField the field to which the expression is attached
27     * \return the output pin of the filter producing the result of the expression
28     */
29    virtual std::shared_ptr<COutputPin> reduce(CGarbageCollector& gc, CField& thisField, Time start_graph=-1, Time end_graph=-1) const = 0;
30  };
31
32  /*!
33   * Expression node corresponding to a field.
34   */
35  class CFilterFieldExprNode : public IFilterExprNode
36  {
37    public:
38      /*!
39       * Constructs an expression node corresponding
40       * to the field whose id is provided.
41       *
42       * \param fieldId the identifier of the field
43       */
44      CFilterFieldExprNode(const std::string& fieldId);
45
46      virtual std::shared_ptr<COutputPin> reduce(CGarbageCollector& gc, CField& thisField, Time start_graph=-1, Time end_graph=-1) const;
47
48    private:
49      std::string fieldId; //!< The identifier of the field
50  };
51
52  /*!
53   * Expression node corresponding to a field for which the result of
54   * the temporal operation is requested instead of the instant value.
55   */
56  class CFilterTemporalFieldExprNode : public IFilterExprNode
57  {
58    public:
59      /*!
60       * Constructs an expression node corresponding
61       * to the field whose id is provided.
62       *
63       * \param fieldId the identifier of the field
64       */
65      CFilterTemporalFieldExprNode(const std::string& fieldId);
66
67      virtual std::shared_ptr<COutputPin> reduce(CGarbageCollector& gc, CField& thisField, Time start_graph=-1, Time end_graph=-1) const;
68
69    private:
70      std::string fieldId; //!< The identifier of the field
71  };
72
73  /*!
74   * Expression node corresponding to a unary operation on a field.
75   */
76  class CFilterUnaryOpExprNode : public IFilterExprNode
77  {
78    public:
79      /*!
80       * Constructs an expression node corresponding to the specified unary operation
81       * applied to the provided child node.
82       * Note that the child node will be destroyed automatically when the parent node
83       * is destroyed.
84       *
85       * \param opId the identifier of the operator
86       * \param child the child node to which the operator is applied
87       */
88      CFilterUnaryOpExprNode(const std::string& opId, IFilterExprNode* child);
89
90      virtual std::shared_ptr<COutputPin> reduce(CGarbageCollector& gc, CField& thisField, Time start_graph=-1, Time end_graph=-1) const;
91
92    private:
93      std::string opId; //!< The identifier of the field
94      boost::scoped_ptr<IFilterExprNode> child; //!< The child node to which the operator is applied
95  };
96
97  /*!
98   * Expression node corresponding to a binary operation on a scalar and a field.
99   */
100  class CFilterScalarFieldOpExprNode : public IFilterExprNode
101  {
102    public:
103      /*!
104       * Constructs an expression node corresponding to the specified binary operation
105       * applied to the provided scalar and field child nodes.
106       * Note that the child nodes will be destroyed automatically when the parent node
107       * is destroyed.
108       *
109       * \param child1 the scalar child node to which the operator is applied
110       * \param opId the identifier of the operator
111       * \param child2 the field child node to which the operator is applied
112       */
113      CFilterScalarFieldOpExprNode(IScalarExprNode* child1, const std::string& opId, IFilterExprNode* child2);
114
115      virtual std::shared_ptr<COutputPin> reduce(CGarbageCollector& gc, CField& thisField, Time start_graph=-1, Time end_graph=-1) const;
116
117    private:
118      std::string opId; //!< The identifier of the field
119      boost::scoped_ptr<IScalarExprNode> child1; //!< The scalar child node to which the operator is applied
120      boost::scoped_ptr<IFilterExprNode> child2; //!< The field child node to which the operator is applied
121  };
122
123  /*!
124   * Expression node corresponding to a binary operation on a field and a scalar.
125   */
126  class CFilterFieldScalarOpExprNode : public IFilterExprNode
127  {
128    public:
129      /*!
130       * Constructs an expression node corresponding to the specified binary operation
131       * applied to the provided field and scalar child nodes.
132       * Note that the child nodes will be destroyed automatically when the parent node
133       * is destroyed.
134       *
135       * \param child1 the field child node to which the operator is applied
136       * \param opId the identifier of the operator
137       * \param child2 the scalar child node to which the operator is applied
138       */
139      CFilterFieldScalarOpExprNode(IFilterExprNode* child1, const std::string& opId, IScalarExprNode* child2);
140
141      virtual std::shared_ptr<COutputPin> reduce(CGarbageCollector& gc, CField& thisField, Time start_graph=-1, Time end_graph=-1) const;
142
143    private:
144      std::string opId; //!< The identifier of the field
145      boost::scoped_ptr<IFilterExprNode> child1; //!< The field child node to which the operator is applied
146      boost::scoped_ptr<IScalarExprNode> child2; //!< The scalar child node to which the operator is applied
147  };
148
149  /*!
150   * Expression node corresponding to a binary operation on two fields.
151   */
152  class CFilterFieldFieldOpExprNode : public IFilterExprNode
153  {
154    public:
155      /*!
156       * Constructs an expression node corresponding to the specified binary operation
157       * applied to the provided field child nodes.
158       * Note that the child nodes will be destroyed automatically when the parent node
159       * is destroyed.
160       *
161       * \param opId the identifier of the operator
162       * \param child1, child2 the field child nodes to which the operator is applied
163       */
164      CFilterFieldFieldOpExprNode(IFilterExprNode* child1, const std::string& opId, IFilterExprNode* child2);
165
166      virtual std::shared_ptr<COutputPin> reduce(CGarbageCollector& gc, CField& thisField, Time start_graph=-1, Time end_graph=-1) const;
167
168    private:
169      std::string opId; //!< The identifier of the field
170      boost::scoped_ptr<IFilterExprNode> child1, child2; //!< The field child nodes to which the operator is applied
171  };
172
173
174
175 /*!
176   * Expression node corresponding to a ternary operation on a scalar-scalar-field.
177   */
178  class CFilterScalarScalarFieldOpExprNode : public IFilterExprNode
179  {
180    public:
181      /*!
182       * Constructs an expression node corresponding to the specified ternary operation
183       * applied to the provided fields and scalars child nodes.
184       * Note that the child nodes will be destroyed automatically when the parent node
185       * is destroyed.
186       *
187       * \param child1 the scalar child node to which the operator is applied
188       * \param opId the identifier of the operator
189       * \param child2 the scalar child node to which the operator is applied
190       * \param child3 the field child node to which the operator is applied
191      */
192      CFilterScalarScalarFieldOpExprNode(IScalarExprNode* child1, const std::string& opId, IScalarExprNode* child2, IFilterExprNode* child3);
193
194      virtual std::shared_ptr<COutputPin> reduce(CGarbageCollector& gc, CField& thisField, Time start_graph=-1, Time end_graph=-1) const;
195
196    private:
197      std::string opId; //!< The identifier of the field
198      boost::scoped_ptr<IScalarExprNode> child1; //!< The scalar child node to which the operator is applied
199      boost::scoped_ptr<IScalarExprNode> child2; //!< The scalar child node to which the operator is applied
200      boost::scoped_ptr<IFilterExprNode> child3; //!< The field child node to which the operator is applied
201  };
202
203
204  /*!
205   * Expression node corresponding to a ternary operation on a scalar-field-scalar.
206   */
207  class CFilterScalarFieldScalarOpExprNode : public IFilterExprNode
208  {
209    public:
210      /*!
211       * Constructs an expression node corresponding to the specified ternary operation
212       * applied to the provided fields and scalars child nodes.
213       * Note that the child nodes will be destroyed automatically when the parent node
214       * is destroyed.
215       *
216       * \param child1 the scalar child node to which the operator is applied
217       * \param opId the identifier of the operator
218       * \param child2 the field child node to which the operator is applied
219       * \param child3 the scalar child node to which the operator is applied
220      */
221      CFilterScalarFieldScalarOpExprNode(IScalarExprNode* child1, const std::string& opId, IFilterExprNode* child2, IScalarExprNode* child3);
222
223      virtual std::shared_ptr<COutputPin> reduce(CGarbageCollector& gc, CField& thisField, Time start_graph=-1, Time end_graph=-1) const;
224
225    private:
226      std::string opId; //!< The identifier of the field
227      boost::scoped_ptr<IScalarExprNode> child1; //!< The scalar child node to which the operator is applied
228      boost::scoped_ptr<IFilterExprNode> child2; //!< The field child node to which the operator is applied
229      boost::scoped_ptr<IScalarExprNode> child3; //!< The scalar child node to which the operator is applied
230  };
231
232
233  /*!
234   * Expression node corresponding to a ternary operation on a scalar-field-field.
235   */
236  class CFilterScalarFieldFieldOpExprNode : public IFilterExprNode
237  {
238    public:
239      /*!
240       * Constructs an expression node corresponding to the specified ternary operation
241       * applied to the provided fields and scalars child nodes.
242       * Note that the child nodes will be destroyed automatically when the parent node
243       * is destroyed.
244       *
245       * \param child1 the scalar child node to which the operator is applied
246       * \param opId the identifier of the operator
247       * \param child2 the field child node to which the operator is applied
248       * \param child3 the field child node to which the operator is applied
249      */
250      CFilterScalarFieldFieldOpExprNode(IScalarExprNode* child1, const std::string& opId, IFilterExprNode* child2, IFilterExprNode* child3);
251
252      virtual std::shared_ptr<COutputPin> reduce(CGarbageCollector& gc, CField& thisField, Time start_graph=-1, Time end_graph=-1) const;
253
254    private:
255      std::string opId; //!< The identifier of the field
256      boost::scoped_ptr<IScalarExprNode> child1; //!< The scalar child node to which the operator is applied
257      boost::scoped_ptr<IFilterExprNode> child2; //!< The field child node to which the operator is applied
258      boost::scoped_ptr<IFilterExprNode> child3; //!< The field child node to which the operator is applied
259  };
260
261
262
263/*!
264   * Expression node corresponding to a ternary operation on a field-scalar-scalar.
265   */
266  class CFilterFieldScalarScalarOpExprNode : public IFilterExprNode
267  {
268    public:
269      /*!
270       * Constructs an expression node corresponding to the specified ternary operation
271       * applied to the provided fields and scalars child nodes.
272       * Note that the child nodes will be destroyed automatically when the parent node
273       * is destroyed.
274       *
275       * \param child1 the field child node to which the operator is applied
276       * \param opId the identifier of the operator
277       * \param child2 the scalar child node to which the operator is applied
278       * \param child3 the scalar child node to which the operator is applied
279      */
280      CFilterFieldScalarScalarOpExprNode(IFilterExprNode* child1, const std::string& opId, IScalarExprNode* child2, IScalarExprNode* child3);
281
282      virtual std::shared_ptr<COutputPin> reduce(CGarbageCollector& gc, CField& thisField, Time start_graph=-1, Time end_graph=-1) const;
283
284    private:
285      std::string opId; //!< The identifier of the field
286      boost::scoped_ptr<IFilterExprNode> child1; //!< The field child node to which the operator is applied
287      boost::scoped_ptr<IScalarExprNode> child2; //!< The scalar child node to which the operator is applied
288      boost::scoped_ptr<IScalarExprNode> child3; //!< The scalar child node to which the operator is applied
289  };
290
291
292/*!
293   * Expression node corresponding to a ternary operation on a field-scalar-field.
294   */
295  class CFilterFieldScalarFieldOpExprNode : public IFilterExprNode
296  {
297    public:
298      /*!
299       * Constructs an expression node corresponding to the specified ternary operation
300       * applied to the provided fields and scalars child nodes.
301       * Note that the child nodes will be destroyed automatically when the parent node
302       * is destroyed.
303       *
304       * \param child1 the field child node to which the operator is applied
305       * \param opId the identifier of the operator
306       * \param child2 the scalar child node to which the operator is applied
307       * \param child3 the field child node to which the operator is applied
308      */
309      CFilterFieldScalarFieldOpExprNode(IFilterExprNode* child1, const std::string& opId, IScalarExprNode* child2, IFilterExprNode* child3);
310
311      virtual std::shared_ptr<COutputPin> reduce(CGarbageCollector& gc, CField& thisField, Time start_graph=-1, Time end_graph=-1) const;
312
313    private:
314      std::string opId; //!< The identifier of the field
315      boost::scoped_ptr<IFilterExprNode> child1; //!< The field child node to which the operator is applied
316      boost::scoped_ptr<IScalarExprNode> child2; //!< The scalar child node to which the operator is applied
317      boost::scoped_ptr<IFilterExprNode> child3; //!< The field child node to which the operator is applied
318  };
319
320  /*!
321   * Expression node corresponding to a ternary operation on a field-field-scalar.
322   */
323  class CFilterFieldFieldScalarOpExprNode : public IFilterExprNode
324  {
325    public:
326      /*!
327       * Constructs an expression node corresponding to the specified ternary operation
328       * applied to the provided fields and scalars child nodes.
329       * Note that the child nodes will be destroyed automatically when the parent node
330       * is destroyed.
331       *
332       * \param child1 the field child node to which the operator is applied
333       * \param opId the identifier of the operator
334       * \param child2 the field child node to which the operator is applied
335       * \param child3 the scalar child node to which the operator is applied
336      */
337      CFilterFieldFieldScalarOpExprNode(IFilterExprNode* child1, const std::string& opId, IFilterExprNode* child2, IScalarExprNode* child3);
338
339      virtual std::shared_ptr<COutputPin> reduce(CGarbageCollector& gc, CField& thisField, Time start_graph=-1, Time end_graph=-1) const;
340
341    private:
342      std::string opId; //!< The identifier of the field
343      boost::scoped_ptr<IFilterExprNode> child1; //!< The field child node to which the operator is applied
344      boost::scoped_ptr<IFilterExprNode> child2; //!< The field child node to which the operator is applied
345      boost::scoped_ptr<IScalarExprNode> child3; //!< The scalar child node to which the operator is applied
346  };
347
348
349  /*!
350   * Expression node corresponding to a ternary operation on a field-field-field.
351   */
352  class CFilterFieldFieldFieldOpExprNode : public IFilterExprNode
353  {
354    public:
355      /*!
356       * Constructs an expression node corresponding to the specified ternary operation
357       * applied to the provided fields and scalars child nodes.
358       * Note that the child nodes will be destroyed automatically when the parent node
359       * is destroyed.
360       *
361       * \param child1 the field child node to which the operator is applied
362       * \param opId the identifier of the operator
363       * \param child2 the field child node to which the operator is applied
364       * \param child3 the field child node to which the operator is applied
365      */
366      CFilterFieldFieldFieldOpExprNode(IFilterExprNode* child1, const std::string& opId, IFilterExprNode* child2, IFilterExprNode* child3);
367
368      virtual std::shared_ptr<COutputPin> reduce(CGarbageCollector& gc, CField& thisField, Time start_graph=-1, Time end_graph=-1) const;
369
370    private:
371      std::string opId; //!< The identifier of the field
372      boost::scoped_ptr<IFilterExprNode> child1; //!< The field child node to which the operator is applied
373      boost::scoped_ptr<IFilterExprNode> child2; //!< The field child node to which the operator is applied
374      boost::scoped_ptr<IFilterExprNode> child3; //!< The field child node to which the operator is applied
375  };
376
377
378
379}
380
381#endif // __XIOS_FILTER_EXPR_NODE_HPP__
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