comparison Deprecated/Resources/CodeGeneration/template.in.h.j2 @ 1401:f6a2d46d2b76

moved CodeGeneration into Deprecated
author Alain Mazy <alain@mazy.be>
date Wed, 29 Apr 2020 20:48:18 +0200
parents Resources/CodeGeneration/template.in.h.j2@8a0a62189f46
children
comparison
equal deleted inserted replaced
1400:419d0320c344 1401:f6a2d46d2b76
1 /*
2 1 2 3 4 5 6 7
3 12345678901234567890123456789012345678901234567890123456789012345678901234567890
4
5 Generated on {{currentDatetime}} by stonegentool
6
7 */
8 #pragma once
9
10 #include <exception>
11 #include <iostream>
12 #include <string>
13 #include <sstream>
14 #include <assert.h>
15 #include <memory>
16 #include <set>
17 #include <json/json.h>
18
19 //#define STONEGEN_NO_CPP11 1
20
21 #ifdef STONEGEN_NO_CPP11
22 #define StoneSmartPtr std::unique_ptr
23 #else
24 #define StoneSmartPtr std::unique_ptr
25 #endif
26
27 namespace {{rootName}}
28 {
29 /** Throws in case of problem */
30 inline void _StoneDeserializeValue(int32_t& destValue, const Json::Value& jsonValue)
31 {
32 if (!jsonValue.isNull())
33 {
34 destValue = jsonValue.asInt();
35 }
36 }
37
38 inline Json::Value _StoneSerializeValue(int32_t value)
39 {
40 Json::Value result(value);
41 return result;
42 }
43
44 inline void _StoneDeserializeValue(int64_t& destValue, const Json::Value& jsonValue)
45 {
46 if (!jsonValue.isNull())
47 {
48 destValue = jsonValue.asInt64();
49 }
50 }
51
52 inline Json::Value _StoneSerializeValue(int64_t value)
53 {
54 Json::Value result(static_cast<Json::Value::Int64>(value));
55 return result;
56 }
57
58 inline void _StoneDeserializeValue(uint32_t& destValue, const Json::Value& jsonValue)
59 {
60 if (!jsonValue.isNull())
61 {
62 destValue = jsonValue.asUInt();
63 }
64 }
65
66 inline Json::Value _StoneSerializeValue(uint32_t value)
67 {
68 Json::Value result(value);
69 return result;
70 }
71
72 inline void _StoneDeserializeValue(uint64_t& destValue, const Json::Value& jsonValue)
73 {
74 if (!jsonValue.isNull())
75 {
76 destValue = jsonValue.asUInt64();
77 }
78 }
79
80 inline Json::Value _StoneSerializeValue(uint64_t value)
81 {
82 Json::Value result(static_cast<Json::Value::UInt64>(value));
83 return result;
84 }
85
86 inline void _StoneDeserializeValue(Json::Value& destValue, const Json::Value& jsonValue)
87 {
88 destValue = jsonValue;
89 }
90
91 inline Json::Value _StoneSerializeValue(Json::Value value)
92 {
93 return value;
94 }
95
96 /** Throws in case of problem */
97 inline void _StoneDeserializeValue(double& destValue, const Json::Value& jsonValue)
98 {
99 if (!jsonValue.isNull())
100 {
101 destValue = jsonValue.asDouble();
102 }
103 }
104
105 inline Json::Value _StoneSerializeValue(double value)
106 {
107 Json::Value result(value);
108 return result;
109 }
110
111 /** Throws in case of problem */
112 inline void _StoneDeserializeValue(float& destValue, const Json::Value& jsonValue)
113 {
114 if (!jsonValue.isNull())
115 {
116 destValue = jsonValue.asFloat();
117 }
118 }
119
120 inline Json::Value _StoneSerializeValue(float value)
121 {
122 Json::Value result(value);
123 return result;
124 }
125
126 /** Throws in case of problem */
127 inline void _StoneDeserializeValue(bool& destValue, const Json::Value& jsonValue)
128 {
129 if (!jsonValue.isNull())
130 {
131 destValue = jsonValue.asBool();
132 }
133 }
134
135 inline Json::Value _StoneSerializeValue(bool value)
136 {
137 Json::Value result(value);
138 return result;
139 }
140
141 /** Throws in case of problem */
142 inline void _StoneDeserializeValue(
143 std::string& destValue
144 , const Json::Value& jsonValue)
145 {
146 if (!jsonValue.isNull())
147 {
148 destValue = jsonValue.asString();
149 }
150 }
151
152 inline Json::Value _StoneSerializeValue(const std::string& value)
153 {
154 // the following is better than
155 Json::Value result(value.data(),value.data()+value.size());
156 return result;
157 }
158
159 inline std::string MakeIndent(size_t indent)
160 {
161 char* txt = reinterpret_cast<char*>(malloc(indent+1)); // NO EXCEPTION BELOW!!!!!!!!!!!!
162 for(size_t i = 0; i < indent; ++i)
163 txt[i] = ' ';
164 txt[indent] = 0;
165 std::string retVal(txt);
166 free(txt); // NO EXCEPTION ABOVE !!!!!!!!!!
167 return retVal;
168 }
169
170 // generic dumper
171 template<typename T>
172 std::ostream& StoneDumpValue(std::ostream& out, const T& value, size_t indent)
173 {
174 out << MakeIndent(indent) << value;
175 return out;
176 }
177
178 // string dumper
179 inline std::ostream& StoneDumpValue(std::ostream& out, const std::string& value, size_t indent)
180 {
181 out << MakeIndent(indent) << "\"" << value << "\"";
182 return out;
183 }
184
185 inline std::string ToString(const std::string& str)
186 {
187 return str;
188 }
189
190 inline void FromString(std::string& value, std::string strValue)
191 {
192 value = strValue;
193 }
194
195
196 /** Throws in case of problem */
197 template<typename TK, typename TV>
198 void _StoneDeserializeValue(
199 std::map<TK, TV>& destValue, const Json::Value& jsonValue)
200 {
201 if (!jsonValue.isNull())
202 {
203 destValue.clear();
204 for (
205 Json::Value::const_iterator itr = jsonValue.begin();
206 itr != jsonValue.end();
207 itr++)
208 {
209 std::string strKey;
210 _StoneDeserializeValue(strKey, itr.key());
211 TK key;
212 FromString(key, strKey); // if you have a compile error here, it means that your type is not suitable to be the key of a map (or you should overwrite the FromString/ToString in template.in.h.j2)
213
214 TV innerDestValue;
215 _StoneDeserializeValue(innerDestValue, *itr);
216
217 destValue[key] = innerDestValue;
218 }
219 }
220 }
221
222 template<typename TK, typename TV>
223 Json::Value _StoneSerializeValue(const std::map<TK, TV>& value)
224 {
225 Json::Value result(Json::objectValue);
226
227 for (typename std::map<TK, TV>::const_iterator it = value.cbegin();
228 it != value.cend(); ++it)
229 {
230 // it->first it->second
231 result[ToString(it->first)] = _StoneSerializeValue(it->second);
232 }
233 return result;
234 }
235
236 template<typename TK, typename TV>
237 std::ostream& StoneDumpValue(std::ostream& out, const std::map<TK, TV>& value, size_t indent)
238 {
239 out << MakeIndent(indent) << "{\n";
240 for (typename std::map<TK, TV>::const_iterator it = value.cbegin();
241 it != value.cend(); ++it)
242 {
243 out << MakeIndent(indent+2) << "\"" << it->first << "\" : ";
244 StoneDumpValue(out, it->second, indent+2);
245 out << ", \n";
246 }
247 out << MakeIndent(indent) << "}\n";
248 return out;
249 }
250
251 /** Throws in case of problem */
252 template<typename T>
253 void _StoneDeserializeValue(
254 std::vector<T>& destValue, const Json::Value& jsonValue)
255 {
256 if (!jsonValue.isNull() && jsonValue.isArray())
257 {
258 destValue.clear();
259 destValue.reserve(jsonValue.size());
260 for (Json::Value::ArrayIndex i = 0; i != jsonValue.size(); i++)
261 {
262 T innerDestValue;
263 _StoneDeserializeValue(innerDestValue, jsonValue[i]);
264 destValue.push_back(innerDestValue);
265 }
266 }
267 }
268
269 template<typename T>
270 Json::Value _StoneSerializeValue(const std::vector<T>& value)
271 {
272 Json::Value result(Json::arrayValue);
273 for (size_t i = 0; i < value.size(); ++i)
274 {
275 result.append(_StoneSerializeValue(value[i]));
276 }
277 return result;
278 }
279
280 template<typename T>
281 std::ostream& StoneDumpValue(std::ostream& out, const std::vector<T>& value, size_t indent)
282 {
283 out << MakeIndent(indent) << "[\n";
284 for (size_t i = 0; i < value.size(); ++i)
285 {
286 StoneDumpValue(out, value[i], indent+2);
287 out << ", \n";
288 }
289 out << MakeIndent(indent) << "]\n";
290 return out;
291 }
292
293 /** Throws in case of problem */
294 template<typename T>
295 void _StoneDeserializeValue(
296 std::set<T>& destValue, const Json::Value& jsonValue)
297 {
298 if (!jsonValue.isNull() && jsonValue.isArray())
299 {
300 destValue.clear();
301 for (Json::Value::ArrayIndex i = 0; i != jsonValue.size(); i++)
302 {
303 T innerDestValue;
304 _StoneDeserializeValue(innerDestValue, jsonValue[i]);
305 destValue.insert(innerDestValue);
306 }
307 }
308 }
309
310 template<typename T>
311 Json::Value _StoneSerializeValue(const std::set<T>& value)
312 {
313 Json::Value result(Json::arrayValue);
314 for (typename std::set<T>::const_iterator it = value.begin(); it != value.end(); ++it)
315 {
316 result.append(_StoneSerializeValue(*it));
317 }
318 return result;
319 }
320
321 template<typename T>
322 std::ostream& StoneDumpValue(std::ostream& out, const std::set<T>& value, size_t indent)
323 {
324 out << MakeIndent(indent) << "[\n";
325 for (typename std::set<T>::const_iterator it = value.begin(); it != value.end(); ++it)
326 {
327 StoneDumpValue(out, *it, indent+2);
328 out << ", \n";
329 }
330 out << MakeIndent(indent) << "]\n";
331 return out;
332 }
333
334 inline void StoneCheckSerializedValueTypeGeneric(const Json::Value& value)
335 {
336 if ((!value.isMember("type")) || (!value["type"].isString()))
337 {
338 std::stringstream ss;
339 ss << "Cannot deserialize value ('type' key invalid)";
340 throw std::runtime_error(ss.str());
341 }
342 }
343
344 inline void StoneCheckSerializedValueType(
345 const Json::Value& value, std::string typeStr)
346 {
347 StoneCheckSerializedValueTypeGeneric(value);
348
349 std::string actTypeStr = value["type"].asString();
350 if (actTypeStr != typeStr)
351 {
352 std::stringstream ss;
353 ss << "Cannot deserialize type" << actTypeStr
354 << "into " << typeStr;
355 throw std::runtime_error(ss.str());
356 }
357 }
358
359 // end of generic methods
360
361 // end of generic methods
362 {% for enum in enums%}
363 enum {{enum['name']}} {
364 {% for key in enum['fields']%} {{enum['name']}}_{{key}},
365 {%endfor%} };
366
367 inline std::string ToString(const {{enum['name']}}& value)
368 {
369 {% for key in enum['fields']%} if( value == {{enum['name']}}_{{key}})
370 {
371 return std::string("{{key}}");
372 }
373 {%endfor%} std::stringstream ss;
374 ss << "Value \"" << value << "\" cannot be converted to {{enum['name']}}. Possible values are: "
375 {% for key in enum['fields']%} << " {{key}} = " << static_cast<int64_t>({{enum['name']}}_{{key}}) << ", "
376 {% endfor %} << std::endl;
377 std::string msg = ss.str();
378 throw std::runtime_error(msg);
379 }
380
381 inline void FromString({{enum['name']}}& value, std::string strValue)
382 {
383 {% for key in enum['fields']%} if( strValue == std::string("{{key}}") )
384 {
385 value = {{enum['name']}}_{{key}};
386 return;
387 }
388 {%endfor%}
389 std::stringstream ss;
390 ss << "String \"" << strValue << "\" cannot be converted to {{enum['name']}}. Possible values are: {% for key in enum['fields']%}{{key}} {% endfor %}";
391 std::string msg = ss.str();
392 throw std::runtime_error(msg);
393 }
394
395
396 inline void _StoneDeserializeValue(
397 {{enum['name']}}& destValue, const Json::Value& jsonValue)
398 {
399 if (!jsonValue.isNull())
400 {
401 FromString(destValue, jsonValue.asString());
402 }
403 }
404
405 inline Json::Value _StoneSerializeValue(const {{enum['name']}}& value)
406 {
407 std::string strValue = ToString(value);
408 return Json::Value(strValue);
409 }
410
411 inline std::ostream& StoneDumpValue(std::ostream& out, const {{enum['name']}}& value, size_t indent = 0)
412 {
413 {% for key in enum['fields']%} if( value == {{enum['name']}}_{{key}})
414 {
415 out << MakeIndent(indent) << "{{key}}";
416 }
417 {%endfor%} return out;
418 }
419
420 {%endfor%}
421 {% for struct in structs%}
422 #ifdef _MSC_VER
423 #pragma region {{struct['name']}}
424 #endif //_MSC_VER
425
426 struct {{struct['name']}}
427 {
428 {% if struct %}{% if struct['fields'] %}{% for key in struct['fields'] %} {{CanonToCpp(struct['fields'][key]['type'])}} {{key}};
429 {% endfor %}{% endif %}{% endif %}
430 {{struct['name']}}({% if struct %}{% if struct['fields'] %}{% for key in struct['fields'] %}{{CanonToCpp(struct['fields'][key]['type'])}} {{key}} = {% if struct['fields'][key]['defaultValue'] %}{{DefaultValueToCpp(rootName,enums,struct['fields'][key])}} {%else%} {{CanonToCpp(struct['fields'][key]['type'])}}() {%endif%} {{ ", " if not loop.last }}{% endfor %}{% endif %}{% endif %})
431 {
432 {% if struct %}{% if struct['fields'] %}{% for key in struct['fields']%} this->{{key}} = {{key}};
433 {% endfor %}{% endif %}{% endif %} }
434 };
435
436 inline void _StoneDeserializeValue({{struct['name']}}& destValue, const Json::Value& value)
437 {
438 if (!value.isNull())
439 {
440 {% if struct %}{% if struct['fields'] %}{% for key in struct['fields']%} _StoneDeserializeValue(destValue.{{key}}, value["{{key}}"]);
441 {% endfor %}{% endif %}{% endif %} }
442 }
443
444 inline Json::Value _StoneSerializeValue(const {{struct['name']}}& value)
445 {
446 Json::Value result(Json::objectValue);
447 {% if struct %}{% if struct['fields'] %}{% for key in struct['fields']%} result["{{key}}"] = _StoneSerializeValue(value.{{key}});
448 {% endfor %}{% endif %}{% endif %}
449 return result;
450 }
451
452 inline std::ostream& StoneDumpValue(std::ostream& out, const {{struct['name']}}& value, size_t indent = 0)
453 {
454 out << MakeIndent(indent) << "{\n";
455 {% if struct %}{% if struct['fields'] %}{% for key in struct['fields']%} out << MakeIndent(indent+2) << "{{key}}: ";
456 StoneDumpValue(out, value.{{key}},indent+2);
457 out << ", \n";
458 {% endfor %}{% endif %}{% endif %}
459 out << MakeIndent(indent) << "}";
460 return out;
461 }
462
463 inline void StoneDeserialize({{struct['name']}}& destValue, const Json::Value& value)
464 {
465 StoneCheckSerializedValueType(value, "{{rootName}}.{{struct['name']}}");
466 _StoneDeserializeValue(destValue, value["value"]);
467 }
468
469 inline Json::Value StoneSerializeToJson(const {{struct['name']}}& value)
470 {
471 Json::Value result(Json::objectValue);
472 result["type"] = "{{rootName}}.{{struct['name']}}";
473 result["value"] = _StoneSerializeValue(value);
474 return result;
475 }
476
477 inline std::string StoneSerialize(const {{struct['name']}}& value)
478 {
479 Json::Value resultJson = StoneSerializeToJson(value);
480 std::string resultStr = resultJson.toStyledString();
481 return resultStr;
482 }
483
484 #ifdef _MSC_VER
485 #pragma endregion {{struct['name']}}
486 #endif //_MSC_VER
487 {% endfor %}
488 #ifdef _MSC_VER
489 #pragma region Dispatching code
490 #endif //_MSC_VER
491
492 class IHandler
493 {
494 public:
495 {% for struct in structs%}{% if struct['__meta__'].handleInCpp %} virtual bool Handle(const {{struct['name']}}& value) = 0;
496 {% endif %}{% endfor %} };
497
498 /** Service function for StoneDispatchToHandler */
499 inline bool StoneDispatchJsonToHandler(
500 const Json::Value& jsonValue, IHandler* handler)
501 {
502 StoneCheckSerializedValueTypeGeneric(jsonValue);
503 std::string type = jsonValue["type"].asString();
504 if (type == "")
505 {
506 // this should never ever happen
507 throw std::runtime_error("Caught empty type while dispatching");
508 }
509 {% for struct in structs%}{% if struct['__meta__'].handleInCpp %} else if (type == "{{rootName}}.{{struct['name']}}")
510 {
511 {{struct['name']}} value;
512 _StoneDeserializeValue(value, jsonValue["value"]);
513 return handler->Handle(value);
514 }
515 {% endif %}{% endfor %} else
516 {
517 return false;
518 }
519 }
520
521 /** Takes a serialized type and passes this to the handler */
522 inline bool StoneDispatchToHandler(std::string strValue, IHandler* handler)
523 {
524 Json::Value readValue;
525
526 Json::CharReaderBuilder builder;
527 Json::CharReader* reader = builder.newCharReader();
528
529 StoneSmartPtr<Json::CharReader> ptr(reader);
530
531 std::string errors;
532
533 bool ok = reader->parse(
534 strValue.c_str(),
535 strValue.c_str() + strValue.size(),
536 &readValue,
537 &errors
538 );
539 if (!ok)
540 {
541 std::stringstream ss;
542 ss << "Jsoncpp parsing error: " << errors;
543 throw std::runtime_error(ss.str());
544 }
545 return StoneDispatchJsonToHandler(readValue, handler);
546 }
547
548 #ifdef _MSC_VER
549 #pragma endregion Dispatching code
550 #endif //_MSC_VER
551 }