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1 #!/usr/bin/env python | |
2 # Copyright 2014 The Chromium Authors. All rights reserved. | |
3 # Use of this source code is governed by a BSD-style license that can be | |
4 # found in the LICENSE file. | |
5 | |
6 import sys | |
7 import string | |
8 import json | |
9 | |
10 input_json_path = sys.argv[1] | |
11 output_cc_path = sys.argv[2] | |
12 output_h_path = sys.argv[3] | |
13 | |
14 header = """\ | |
15 // Copyright 2014 The Chromium Authors. All rights reserved. | |
16 // Use of this source code is governed by a BSD-style license that can be | |
17 // found in the LICENSE file. | |
18 | |
19 // THIS FILE IS AUTOGENERATED. DO NOT EDIT. | |
20 // Generated by | |
21 // content/public/browser/devtools_protocol_handler_generator.py from | |
22 // third_party/WebKit/Source/devtools/protocol.json | |
23 """ | |
24 | |
25 template_h = string.Template(header + """\ | |
26 | |
27 #ifndef CONTENT_BROWSER_DEVTOOLS_PROTOCOL_DEVTOOLS_PROTOCOL_HANDLER_IMPL_H_ | |
28 #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_DEVTOOLS_PROTOCOL_HANDLER_IMPL_H_ | |
29 | |
30 #include "content/browser/devtools/devtools_protocol.h" | |
31 #include "content/browser/devtools/protocol/devtools_protocol_client.h" | |
32 | |
33 namespace content { | |
34 | |
35 class DevToolsProtocolHandlerImpl; | |
36 | |
37 namespace devtools { | |
38 | |
39 ${types}\ | |
40 | |
41 } // namespace devtools | |
42 | |
43 class DevToolsProtocolHandlerImpl : public DevToolsProtocol::Handler { | |
44 public: | |
45 typedef DevToolsProtocolClient::Response Response; | |
46 typedef DevToolsProtocolClient::ResponseStatus ResponseStatus; | |
47 | |
48 DevToolsProtocolHandlerImpl(); | |
49 virtual ~DevToolsProtocolHandlerImpl(); | |
50 | |
51 ${setters}\ | |
52 | |
53 private: | |
54 ${friends}\ | |
55 | |
56 ${methods}\ | |
57 | |
58 ${fields}\ | |
59 }; | |
60 | |
61 } // namespace content | |
62 | |
63 #endif // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_DEVTOOLS_PROTOCOL_HANDLER_IMPL_H_ | |
64 """) | |
65 | |
66 tmpl_typedef = string.Template("""\ | |
67 namespace ${domain} { | |
68 typedef ${param_type} ${declared_name}; | |
69 } // namespace ${domain} | |
70 """) | |
71 | |
72 tmpl_struct = string.Template("""\ | |
73 namespace ${domain} { | |
74 struct ${declared_name} { | |
75 public: | |
76 ${declared_name}(); | |
77 | |
78 ${methods}\ | |
79 | |
80 private: | |
81 friend class ::content::DevToolsProtocolHandlerImpl; | |
82 | |
83 ${fields}\ | |
84 }; | |
85 } // namespace ${domain} | |
86 """) | |
87 | |
88 tmpl_struct_setter = string.Template("""\ | |
89 void set_${param}(${pass_type} ${param}); | |
90 """) | |
91 | |
92 tmpl_struct_field = string.Template("""\ | |
93 ${param_type} ${param}_; | |
94 bool has_${param}_; | |
95 """) | |
96 | |
97 tmpl_enum = string.Template("""\ | |
98 namespace ${domain} { | |
99 namespace ${command_underscored} { | |
100 ${values}\ | |
101 } // namespace ${command_underscored} | |
102 } // namespace ${domain} | |
103 """) | |
104 | |
105 tmpl_enum_value = string.Template("""\ | |
106 extern const char k${Param}${Value}[]; | |
107 """) | |
108 | |
109 tmpl_enum_value_def = string.Template("""\ | |
110 const char k${Param}${Value}[] = "${value}"; | |
111 """) | |
112 | |
113 tmpl_handler = string.Template("""\ | |
114 namespace ${domain} { | |
115 class ${Domain}Handler; | |
116 } // namespace domain | |
117 """) | |
118 | |
119 tmpl_client = string.Template("""\ | |
120 namespace ${domain} { | |
121 class Client : public DevToolsProtocolClient { | |
122 public: | |
123 Client(const EventCallback& event_callback, | |
124 const ResponseCallback& response_callback); | |
125 virtual ~Client(); | |
126 | |
127 ${methods}\ | |
128 }; | |
129 } // namespace ${domain} | |
130 """) | |
131 | |
132 tmpl_event = string.Template("""\ | |
133 void ${Command}( | |
134 const ${Command}Params& params); | |
135 """) | |
136 | |
137 tmpl_response = string.Template("""\ | |
138 void Send${Command}Response( | |
139 scoped_refptr<DevToolsProtocol::Command> command, | |
140 const ${Command}Response& params); | |
141 """) | |
142 | |
143 tmpl_setter = string.Template("""\ | |
144 void Set${Domain}Handler( | |
145 devtools::${domain}::${Domain}Handler* ${domain}_handler); | |
146 """) | |
147 | |
148 tmpl_friend = string.Template("""\ | |
149 friend class devtools::${domain}::Client; | |
150 """) | |
151 | |
152 tmpl_callback = string.Template("""\ | |
153 scoped_refptr<DevToolsProtocol::Response> | |
154 On${Domain}${Command}( | |
155 scoped_refptr<DevToolsProtocol::Command> command); | |
156 """) | |
157 | |
158 tmpl_to_value = string.Template("""\ | |
159 static base::DictionaryValue* ToValue( | |
160 const devtools::${domain}::${declared_name}& src); | |
161 """) | |
162 | |
163 tmpl_field = string.Template("""\ | |
164 devtools::${domain}::${Domain}Handler* ${domain}_handler_; | |
165 """) | |
166 | |
167 template_cc = string.Template(header + """\ | |
168 | |
169 #include "content/browser/devtools/protocol/devtools_protocol_handler_impl.h" | |
170 | |
171 #include "base/bind.h" | |
172 ${includes}\ | |
173 | |
174 namespace content { | |
175 | |
176 DevToolsProtocolHandlerImpl::DevToolsProtocolHandlerImpl() | |
177 : ${fields_init} { | |
178 } | |
179 | |
180 DevToolsProtocolHandlerImpl::~DevToolsProtocolHandlerImpl() { | |
181 } | |
182 | |
183 namespace { | |
184 | |
185 typedef DevToolsProtocolClient::ResponseStatus ResponseStatus; | |
186 | |
187 bool CreateCommonResponse( | |
188 scoped_refptr<DevToolsProtocol::Command> command, | |
189 const DevToolsProtocolClient::Response& response, | |
190 scoped_refptr<DevToolsProtocol::Response>* protocol_response) { | |
191 switch (response.status()) { | |
192 case ResponseStatus::RESPONSE_STATUS_FALLTHROUGH: | |
193 *protocol_response = NULL; | |
194 break; | |
195 case ResponseStatus::RESPONSE_STATUS_OK: | |
196 return false; | |
197 case ResponseStatus::RESPONSE_STATUS_INVALID_PARAMS: | |
198 *protocol_response = command->InvalidParamResponse(response.message()); | |
199 break; | |
200 case ResponseStatus::RESPONSE_STATUS_INTERNAL_ERROR: | |
201 *protocol_response = command->InternalErrorResponse(response.message()); | |
202 break; | |
203 case ResponseStatus::RESPONSE_STATUS_SERVER_ERROR: | |
204 *protocol_response = command->ServerErrorResponse(response.message()); | |
205 break; | |
206 } | |
207 return true; | |
208 } | |
209 | |
210 } // namespace | |
211 | |
212 ${methods}\ | |
213 | |
214 namespace devtools { | |
215 | |
216 ${types}\ | |
217 | |
218 } // namespace devtools | |
219 | |
220 } // namespace content | |
221 """) | |
222 | |
223 tmpl_include = string.Template("""\ | |
224 #include "content/browser/devtools/protocol/${domain}_handler.h" | |
225 """) | |
226 | |
227 tmpl_field_init = string.Template("${domain}_handler_(NULL)") | |
228 | |
229 tmpl_setter_impl = string.Template("""\ | |
230 void DevToolsProtocolHandlerImpl::Set${Domain}Handler( | |
231 devtools::${domain}::${Domain}Handler* ${domain}_handler) { | |
232 DCHECK(!${domain}_handler_); | |
233 ${domain}_handler_ = ${domain}_handler; | |
234 ${initializations}\ | |
235 } | |
236 """) | |
237 | |
238 tmpl_register = string.Template("""\ | |
239 RegisterCommandHandler( | |
240 "${Domain}.${command}", | |
241 base::Bind( | |
242 &DevToolsProtocolHandlerImpl::On${Domain}${Command}, | |
243 base::Unretained(this))); | |
244 """) | |
245 | |
246 tmpl_init_client = string.Template("""\ | |
247 ${domain}_handler_->SetClient(make_scoped_ptr( | |
248 new devtools::${domain}::Client( | |
249 base::Bind(&DevToolsProtocolHandlerImpl::SendNotification, | |
250 base::Unretained(this)), | |
251 base::Bind(&DevToolsProtocolHandlerImpl::SendAsyncResponse, | |
252 base::Unretained(this))))); | |
253 """) | |
254 | |
255 tmpl_callback_impl = string.Template("""\ | |
256 scoped_refptr<DevToolsProtocol::Response> | |
257 DevToolsProtocolHandlerImpl::On${Domain}${Command}( | |
258 scoped_refptr<DevToolsProtocol::Command> command) { | |
259 ${prep}\ | |
260 Response response = ${domain}_handler_->${Command}(${args}); | |
261 scoped_refptr<DevToolsProtocol::Response> protocol_response; | |
262 if (CreateCommonResponse(command, response, &protocol_response)) | |
263 return protocol_response; | |
264 base::DictionaryValue* dict = new base::DictionaryValue(); | |
265 ${wrap}\ | |
266 return command->SuccessResponse(dict); | |
267 } | |
268 """) | |
269 | |
270 tmpl_callback_async_impl = string.Template("""\ | |
271 scoped_refptr<DevToolsProtocol::Response> | |
272 DevToolsProtocolHandlerImpl::On${Domain}${Command}( | |
273 scoped_refptr<DevToolsProtocol::Command> command) { | |
274 ${prep}\ | |
275 return ${domain}_handler_->${Command}(${args}); | |
276 } | |
277 """) | |
278 | |
279 params_prep = """\ | |
280 base::DictionaryValue* params = command->params(); | |
281 """ | |
282 | |
283 tmpl_prep_req = string.Template("""\ | |
284 ${param_type} in_${param}${init}; | |
285 if (!params || | |
286 !params->Get${Type}("${proto_param}", &in_${param})) | |
287 return command->InvalidParamResponse("${proto_param}"); | |
288 """) | |
289 | |
290 tmpl_prep_req_list = string.Template("""\ | |
291 base::ListValue* list_${param} = NULL; | |
292 if (!params || !params->GetList("${proto_param}", &list_${param})) | |
293 return command->InvalidParamResponse("${proto_param}"); | |
294 ${param_type} in_${param}; | |
295 for (base::ListValue::const_iterator it = | |
296 list_${param}->begin(); it != list_${param}->end(); ++it) { | |
297 ${item_type} item${item_init}; | |
298 if (!(*it)->GetAs${ItemType}(&item)) | |
299 return command->InvalidParamResponse("${proto_param}"); | |
300 in_${param}.push_back(item); | |
301 } | |
302 """) | |
303 | |
304 tmpl_prep_opt = string.Template("""\ | |
305 ${param_type} in_${param}${init}; | |
306 bool ${param}_found = params && params->Get${Type}( | |
307 "${proto_param}", | |
308 &in_${param}); | |
309 """) | |
310 | |
311 tmpl_prep_output = string.Template("""\ | |
312 ${param_type} out_${param}${init}; | |
313 """) | |
314 | |
315 tmpl_arg_req = string.Template("in_${param}") | |
316 | |
317 tmpl_arg_opt = string.Template( | |
318 "${param}_found ?\n &in_${param} : NULL") | |
319 | |
320 tmpl_arg_output = string.Template("&out_${param}") | |
321 | |
322 tmpl_to_value_impl = string.Template("""\ | |
323 // static | |
324 base::DictionaryValue* DevToolsProtocolHandlerImpl::ToValue( | |
325 const devtools::${domain}::${declared_name}& src) { | |
326 base::DictionaryValue* dict = new base::DictionaryValue(); | |
327 ${dchecks}\ | |
328 ${wrap}\ | |
329 return dict; | |
330 } | |
331 """) | |
332 | |
333 tmpl_dcheck = string.Template("""\ | |
334 DCHECK(${cond_name}); | |
335 """) | |
336 | |
337 tmpl_struct_impl = string.Template("""\ | |
338 namespace ${domain} { | |
339 | |
340 ${declared_name}::${declared_name}()${fields} { | |
341 } | |
342 | |
343 ${methods}\ | |
344 | |
345 } // namespace ${domain} | |
346 """) | |
347 | |
348 tmpl_struct_field_init = string.Template("has_${param}_(false)") | |
349 | |
350 tmpl_struct_setter_impl = string.Template("""\ | |
351 void ${declared_name}::set_${param}( | |
352 ${pass_type} ${param}) { | |
353 ${param}_ = ${param}; | |
354 has_${param}_ = true; | |
355 } | |
356 """) | |
357 | |
358 tmpl_client_impl = string.Template("""\ | |
359 namespace ${domain} { | |
360 | |
361 Client::Client(const EventCallback& event_callback, | |
362 const ResponseCallback& response_callback) | |
363 : DevToolsProtocolClient(event_callback, response_callback) { | |
364 } | |
365 | |
366 Client::~Client() { | |
367 } | |
368 | |
369 ${methods}\ | |
370 | |
371 } // namespace ${domain} | |
372 """) | |
373 | |
374 tmpl_event_impl = string.Template("""\ | |
375 void Client::${Command}( | |
376 const ${Command}Params& params) { | |
377 SendNotification("${Domain}.${command}", | |
378 DevToolsProtocolHandlerImpl::ToValue(params)); | |
379 } | |
380 """) | |
381 | |
382 tmpl_response_impl = string.Template("""\ | |
383 void Client::Send${Command}Response( | |
384 scoped_refptr<DevToolsProtocol::Command> command, | |
385 const ${Command}Response& params) { | |
386 SendAsyncResponse( | |
387 command->SuccessResponse(DevToolsProtocolHandlerImpl::ToValue(params))); | |
388 } | |
389 """) | |
390 | |
391 tmpl_wrap = string.Template("""\ | |
392 dict->Set${Type}("${proto_param}", ${var_name}); | |
393 """) | |
394 | |
395 tmpl_wrap_dict = string.Template("""\ | |
396 dict->Set("${proto_param}", | |
397 DevToolsProtocolHandlerImpl::ToValue(${var_name})); | |
398 """) | |
399 | |
400 tmpl_wrap_obj = string.Template("""\ | |
401 dict->Set("${proto_param}", ${var_name}); | |
402 """) | |
403 | |
404 tmpl_wrap_list = string.Template("""\ | |
405 base::ListValue* list_${param} = new base::ListValue(); | |
406 for (${param_type}::const_iterator it = | |
407 ${var_name}.begin(); it != ${var_name}.end(); ++it) { | |
408 ${append}\ | |
409 } | |
410 dict->Set("${proto_param}", list_${param}); | |
411 """) | |
412 | |
413 tmpl_append = string.Template("""\ | |
414 list_${param}->Append${Type}(*it); | |
415 """) | |
416 | |
417 tmpl_append_dict = string.Template("""\ | |
418 list_${param}->Append(DevToolsProtocolHandlerImpl::ToValue(*it)); | |
419 """) | |
420 | |
421 tmpl_append_obj = string.Template("""\ | |
422 list_${param}->Append(*it); | |
423 """) | |
424 | |
425 tmpl_wrap_opt = string.Template("""\ | |
426 if (${cond_name}) | |
427 dict->Set${Type}("${proto_param}", ${var_name}); | |
428 """) | |
429 | |
430 tmpl_typename = string.Template("devtools::${domain}::${declared_name}") | |
431 | |
432 def Capitalize(s): | |
433 return s[:1].upper() + s[1:] | |
434 | |
435 def Decapitalize(s): | |
436 return s.lower() | |
437 | |
438 def Uncamelcase(s): | |
439 result = "" | |
440 for i, c in enumerate(s): | |
441 if c.isupper(): | |
442 if (i > 0) and ((i < len(s)-1) and s[i+1].islower() or s[i-1].islower()): | |
443 result += "_" | |
444 result += c.lower() | |
445 else: | |
446 result += c | |
447 return result | |
448 | |
449 types = {} | |
450 json_api = json.loads(open(input_json_path, "r").read()) | |
451 type_decls = [] | |
452 type_impls = [] | |
453 handler_methods = [] | |
454 handler_method_impls = [] | |
455 | |
456 for json_domain in json_api["domains"]: | |
457 if "types" in json_domain: | |
458 for json_type in json_domain["types"]: | |
459 types["%s.%s" % (json_domain["domain"], json_type["id"])] = json_type | |
460 | |
461 def DeclareStruct(json_properties, mapping): | |
462 methods = [] | |
463 fields = [] | |
464 fields_init = [] | |
465 method_impls = [] | |
466 dchecks = [] | |
467 wrap = [] | |
468 for json_prop in json_properties: | |
469 prop_map = mapping.copy() | |
470 prop_map["proto_param"] = json_prop["name"] | |
471 prop_map["param"] = Uncamelcase(json_prop["name"]) | |
472 prop_map["var_name"] = "src.%s_" % prop_map["param"] | |
473 prop_map["cond_name"] = "src.has_%s_" % prop_map["param"] | |
474 ResolveType(json_prop, prop_map) | |
475 prop_map["declared_name"] = mapping["declared_name"] | |
476 methods.append(tmpl_struct_setter.substitute(prop_map)) | |
477 fields.append(tmpl_struct_field.substitute(prop_map)) | |
478 fields_init.append(tmpl_struct_field_init.substitute(prop_map)) | |
479 method_impls.append(tmpl_struct_setter_impl.substitute(prop_map)) | |
480 if json_prop.get("optional"): | |
481 if param_map["Type"] in ["List", "Dictionary"]: | |
482 # TODO(vkuzkokov) Implement. | |
483 raise Exception( | |
484 "Optional array and object properties are not implemented") | |
485 wrap.append(tmpl_wrap_opt.substitute(prop_map)) | |
486 else: | |
487 dchecks.append(tmpl_dcheck.substitute(prop_map)); | |
488 if not "wrap" in prop_map: | |
489 raise Exception("Arrays of arrays are not implemented") | |
490 wrap.append(prop_map["wrap"]) | |
491 | |
492 type_decls.append(tmpl_struct.substitute(mapping, | |
493 methods = "".join(methods), | |
494 fields = "".join(fields))) | |
495 fields_init_str = "" | |
496 if len(fields_init) > 0: | |
497 fields_init_str = "\n : " + (",\n ".join(fields_init)) | |
498 type_impls.append(tmpl_struct_impl.substitute(mapping, | |
499 fields = fields_init_str, | |
500 methods = "\n".join(method_impls))) | |
501 handler_methods.append(tmpl_to_value.substitute(mapping)) | |
502 handler_method_impls.append(tmpl_to_value_impl.substitute(mapping, | |
503 dchecks = "".join(dchecks), | |
504 wrap = "".join(wrap))) | |
505 | |
506 def ResolveRef(json, mapping): | |
507 dot_pos = json["$ref"].find(".") | |
508 if dot_pos == -1: | |
509 domain_name = mapping["Domain"] | |
510 type_name = json["$ref"] | |
511 else: | |
512 domain_name = json["$ref"][:dot_pos] | |
513 type_name = json["$ref"][dot_pos + 1:] | |
514 json_type = types["%s.%s" % (domain_name, type_name)] | |
515 mapping["declared_name"] = Capitalize(type_name) | |
516 mapping["Domain"] = domain_name | |
517 mapping["domain"] = Decapitalize(domain_name) | |
518 mapping["param_type"] = tmpl_typename.substitute(mapping) | |
519 if json_type.get("enum"): | |
520 # TODO(vkuzkokov) Implement. Approximate template: | |
521 # namespace ${domain} { const char k${declared_name}${Value}; } | |
522 raise Exception("Named enumerations are not implemented") | |
523 ResolveType(json_type, mapping) | |
524 if not "___struct_declared" in json_type: | |
525 json_type["___struct_declared"] = True; | |
526 if (json_type.get("type") == "object") and ("properties" in json_type): | |
527 DeclareStruct(json_type["properties"], mapping) | |
528 else: | |
529 type_decls.append(tmpl_typedef.substitute(mapping)) | |
530 mapping["param_type"] = tmpl_typename.substitute(mapping) | |
531 | |
532 def ResolveArray(json, mapping): | |
533 items_map = mapping.copy() | |
534 ResolveType(json["items"], items_map) | |
535 mapping["param_type"] = "std::vector<%s>" % items_map["param_type"] | |
536 mapping["Type"] = "List" | |
537 if "append" in items_map: | |
538 mapping["wrap"] = tmpl_wrap_list.substitute(mapping, | |
539 append = items_map["append"]) | |
540 mapping["pass_type"] = "const %s&" % mapping["param_type"] | |
541 mapping["prep_req"] = tmpl_prep_req_list.substitute(mapping, | |
542 item_type = items_map["param_type"], | |
543 item_init = items_map["init"], | |
544 ItemType = items_map["Type"]) | |
545 # TODO(vkuzkokov) mapping["append"]: template for array of arrays. | |
546 | |
547 def ResolveObject(json, mapping): | |
548 mapping["Type"] = "Dictionary" | |
549 if "properties" in json: | |
550 if not "declared_name" in mapping: | |
551 mapping["declared_name"] = ("%s%s" % | |
552 (mapping["Command"], Capitalize(mapping["proto_param"]))) | |
553 mapping["param_type"] = tmpl_typename.substitute(mapping) | |
554 DeclareStruct(json["properties"], mapping) | |
555 mapping["append"] = tmpl_append_dict.substitute(mapping) | |
556 mapping["wrap"] = tmpl_wrap_dict.substitute(mapping) | |
557 mapping["pass_type"] = "const %s&" % mapping["param_type"] | |
558 else: | |
559 mapping["param_type"] = "base::DictionaryValue*" | |
560 mapping["append"] = tmpl_append_obj.substitute(mapping) | |
561 mapping["wrap"] = tmpl_wrap_obj.substitute(mapping) | |
562 mapping["pass_type"] = mapping["param_type"] | |
563 | |
564 def ResolvePrimitive(json, mapping): | |
565 jsonrpc_type = json["type"] | |
566 if jsonrpc_type == "boolean": | |
567 mapping["param_type"] = "bool" | |
568 mapping["Type"] = "Boolean" | |
569 mapping["init"] = " = false" | |
570 elif jsonrpc_type == "integer": | |
571 mapping["param_type"] = "int" | |
572 mapping["Type"] = "Integer" | |
573 mapping["init"] = " = 0" | |
574 elif jsonrpc_type == "number": | |
575 mapping["param_type"] = "double" | |
576 mapping["Type"] = "Double" | |
577 mapping["init"] = " = 0.0" | |
578 elif jsonrpc_type == "string": | |
579 mapping["param_type"] = "std::string" | |
580 mapping["pass_type"] = "const std::string&" | |
581 mapping["Type"] = "String" | |
582 if "enum" in json: | |
583 values = [] | |
584 value_defs = [] | |
585 mapping["command_underscored"] = Uncamelcase(mapping["command"]) | |
586 mapping["Param"] = Capitalize(mapping["proto_param"]) | |
587 for enum_value in json["enum"]: | |
588 values.append(tmpl_enum_value.substitute(mapping, | |
589 Value = Capitalize(enum_value))) | |
590 value_defs.append(tmpl_enum_value_def.substitute(mapping, | |
591 value = enum_value, | |
592 Value = Capitalize(enum_value))) | |
593 type_decls.append(tmpl_enum.substitute(mapping, | |
594 values = "".join(values))) | |
595 type_impls.append(tmpl_enum.substitute(mapping, | |
596 values = "".join(value_defs))) | |
597 else: | |
598 raise Exception("Unknown type: %s" % json_type) | |
599 mapping["wrap"] = tmpl_wrap.substitute(mapping) | |
600 mapping["append"] = tmpl_append.substitute(mapping) | |
601 mapping["prep_req"] = tmpl_prep_req.substitute(mapping) | |
602 if jsonrpc_type != "string": | |
603 mapping["pass_type"] = mapping["param_type"] | |
604 | |
605 def ResolveType(json, mapping): | |
606 mapping["init"] = "" | |
607 if "$ref" in json: | |
608 ResolveRef(json, mapping) | |
609 elif "type" in json: | |
610 jsonrpc_type = json["type"] | |
611 if jsonrpc_type == "array": | |
612 ResolveArray(json, mapping) | |
613 elif jsonrpc_type == "object": | |
614 ResolveObject(json, mapping) | |
615 else: | |
616 ResolvePrimitive(json, mapping) | |
617 else: | |
618 raise Exception("Unknown type at %s.%s %s" % | |
619 (mapping["Domain"], mapping["command"], mapping["proto_param"])) | |
620 | |
621 setters = [] | |
622 friends = [] | |
623 fields = [] | |
624 | |
625 includes = [] | |
626 fields_init = [] | |
627 | |
628 for json_domain in json_api["domains"]: | |
629 domain_map = {} | |
630 domain_map["Domain"] = json_domain["domain"] | |
631 domain_map["domain"] = Decapitalize(json_domain["domain"]) | |
632 | |
633 initializations = [] | |
634 client_methods = [] | |
635 client_method_impls = [] | |
636 domain_empty = True | |
637 domain_needs_client = False | |
638 | |
639 if "commands" in json_domain: | |
640 for json_command in json_domain["commands"]: | |
641 if (not ("handlers" in json_command) or | |
642 not ("browser" in json_command["handlers"])): | |
643 continue | |
644 domain_empty = False | |
645 | |
646 command_map = domain_map.copy() | |
647 command_map["command"] = json_command["name"] | |
648 command_map["Command"] = Capitalize(json_command["name"]) | |
649 | |
650 prep = [] | |
651 args = [] | |
652 | |
653 if "parameters" in json_command: | |
654 for json_param in json_command["parameters"]: | |
655 param_map = command_map.copy() | |
656 param_map["proto_param"] = json_param["name"] | |
657 param_map["param"] = Uncamelcase(json_param["name"]) | |
658 param_map["var_name"] = "in_%s" % param_map["param"] | |
659 | |
660 ResolveType(json_param, param_map) | |
661 if len(prep) == 0: | |
662 prep.append(params_prep) | |
663 if json_param.get("optional"): | |
664 if param_map["Type"] in ["List", "Dictionary"]: | |
665 # TODO(vkuzkokov) Implement transformation of base::ListValue | |
666 # to std::vector and base::DictonaryValue to struct. | |
667 raise Exception( | |
668 "Optional array and object parameters are not implemented") | |
669 prep.append(tmpl_prep_opt.substitute(param_map)) | |
670 args.append(tmpl_arg_opt.substitute(param_map)) | |
671 else: | |
672 prep.append(param_map["prep_req"]) | |
673 args.append(tmpl_arg_req.substitute(param_map)) | |
674 | |
675 if json_command.get("async"): | |
676 domain_needs_client = True | |
677 json_returns = [] | |
678 if "returns" in json_command: | |
679 json_returns = json_command["returns"] | |
680 command_map["declared_name"] = "%sResponse" % command_map["Command"] | |
681 DeclareStruct(json_returns, command_map) | |
682 # TODO(vkuzkokov) Pass async callback instance similar to how | |
683 # InspectorBackendDispatcher does it. This, however, can work | |
684 # only if Blink and Chrome are in the same repo. | |
685 args.append("command") | |
686 handler_method_impls.append( | |
687 tmpl_callback_async_impl.substitute(command_map, | |
688 prep = "".join(prep), | |
689 args = "\n " + ",\n ".join(args))) | |
690 client_methods.append(tmpl_response.substitute(command_map)) | |
691 client_method_impls.append(tmpl_response_impl.substitute(command_map)) | |
692 else: | |
693 wrap = [] | |
694 if "returns" in json_command: | |
695 for json_param in json_command["returns"]: | |
696 param_map = command_map.copy() | |
697 param_map["proto_param"] = json_param["name"] | |
698 param_map["param"] = Uncamelcase(json_param["name"]) | |
699 param_map["var_name"] = "out_%s" % param_map["param"] | |
700 | |
701 if json_param.get("optional"): | |
702 # TODO(vkuzkokov) Implement Optional<T> for value types. | |
703 raise Exception("Optional return values are not implemented") | |
704 ResolveType(json_param, param_map) | |
705 prep.append(tmpl_prep_output.substitute(param_map)) | |
706 args.append(tmpl_arg_output.substitute(param_map)) | |
707 if not "wrap" in param_map: | |
708 raise Exception("Arrays of arrays are not implemented") | |
709 wrap.append(param_map["wrap"]) | |
710 | |
711 args_str = "" | |
712 if len(args) > 0: | |
713 args_str = "\n " + ",\n ".join(args) | |
714 handler_method_impls.append(tmpl_callback_impl.substitute(command_map, | |
715 prep = "".join(prep), | |
716 args = args_str, | |
717 wrap = "".join(wrap))) | |
718 | |
719 initializations.append(tmpl_register.substitute(command_map)) | |
720 handler_methods.append(tmpl_callback.substitute(command_map)) | |
721 | |
722 if "events" in json_domain: | |
723 for json_event in json_domain["events"]: | |
724 if (not ("handlers" in json_event) or | |
725 not ("browser" in json_event["handlers"])): | |
726 continue | |
727 domain_empty = False | |
728 domain_needs_client = True | |
729 | |
730 event_map = domain_map.copy() | |
731 event_map["command"] = json_event["name"] | |
732 event_map["Command"] = Capitalize(json_event["name"]) | |
733 | |
734 json_parameters = [] | |
735 if "parameters" in json_event: | |
736 json_parameters = json_event["parameters"] | |
737 event_map["declared_name"] = "%sParams" % event_map["Command"] | |
738 DeclareStruct(json_parameters, event_map); | |
739 | |
740 client_methods.append(tmpl_event.substitute(event_map)) | |
741 client_method_impls.append(tmpl_event_impl.substitute(event_map)) | |
742 | |
743 if domain_empty: | |
744 continue | |
745 type_decls.append(tmpl_handler.substitute(domain_map)) | |
746 setters.append(tmpl_setter.substitute(domain_map)) | |
747 fields.append(tmpl_field.substitute(domain_map)) | |
748 includes.append(tmpl_include.substitute(domain_map)) | |
749 fields_init.append(tmpl_field_init.substitute(domain_map)) | |
750 if domain_needs_client: | |
751 type_decls.append(tmpl_client.substitute(domain_map, | |
752 methods = "".join(client_methods))) | |
753 friends.append(tmpl_friend.substitute(domain_map)) | |
754 initializations.append(tmpl_init_client.substitute(domain_map)) | |
755 type_impls.append(tmpl_client_impl.substitute(domain_map, | |
756 methods = "\n".join(client_method_impls))) | |
757 handler_method_impls.append(tmpl_setter_impl.substitute(domain_map, | |
758 initializations = "".join(initializations))) | |
759 | |
760 | |
761 output_h_file = open(output_h_path, "w") | |
762 output_cc_file = open(output_cc_path, "w") | |
763 | |
764 output_h_file.write(template_h.substitute({}, | |
765 types = "\n".join(type_decls), | |
766 setters = "".join(setters), | |
767 friends = "".join(friends), | |
768 methods = "".join(handler_methods), | |
769 fields = "".join(fields))) | |
770 output_h_file.close() | |
771 | |
772 output_cc_file.write(template_cc.substitute({}, | |
773 includes = "".join(sorted(includes)), | |
774 fields_init = ",\n ".join(fields_init), | |
775 methods = "\n".join(handler_method_impls), | |
776 types = "\n".join(type_impls))) | |
777 output_cc_file.close() | |
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