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0e627fe2 | 1 | /* |
19facd85 | 2 | Copyright (C) 2006-2008 by Intra2net AG |
1770469c | 3 | intra2net.com |
0e627fe2 | 4 | |
19facd85 TJ |
5 | The software in this package is distributed under the GNU General |
6 | Public License version 2 (with a special exception described below). | |
0e627fe2 | 7 | |
19facd85 TJ |
8 | A copy of GNU General Public License (GPL) is included in this distribution, |
9 | in the file COPYING.GPL. | |
0e627fe2 | 10 | |
19facd85 TJ |
11 | As a special exception, if other files instantiate templates or use macros |
12 | or inline functions from this file, or you compile this file and link it | |
13 | with other works to produce a work based on this file, this file | |
14 | does not by itself cause the resulting work to be covered | |
15 | by the GNU General Public License. | |
16 | ||
17 | However the source code for this file must still be made available | |
18 | in accordance with section (3) of the GNU General Public License. | |
19 | ||
20 | This exception does not invalidate any other reasons why a work based | |
21 | on this file might be covered by the GNU General Public License. | |
0e627fe2 JT |
22 | */ |
23 | ||
e50cc1d6 JT |
24 | #include <libxml++/libxml++.h> |
25 | #include <cassert> | |
26 | #include <iostream> | |
060fbd87 JT |
27 | #include <set> |
28 | #include <fstream> | |
9d3993e5 | 29 | #include <list> |
6be7b70f | 30 | #include <stdexcept> |
7799fec7 | 31 | #include <string> |
6be7b70f | 32 | #include <boost/lexical_cast.hpp> |
ab2a4234 | 33 | |
3907d211 | 34 | #include "config.h" |
ab2a4234 | 35 | |
e50cc1d6 | 36 | |
2f0896ce JT |
37 | |
38 | //! map group to class name | |
1770469c GE |
39 | std::string groupClass(const std::string &group) |
40 | { | |
2f0896ce JT |
41 | return std::string("cmd_group_")+group; |
42 | } | |
43 | ||
52b6f93a | 44 | //! convert string to upper case |
1770469c GE |
45 | std::string toupper(std::string s) |
46 | { | |
47 | for (unsigned i=0; i<s.length(); ++i) s[i]=toupper(s[i]); | |
48 | return s; | |
e035276b JT |
49 | } |
50 | ||
52b6f93a | 51 | //! replace all characters f by r in string s |
1770469c GE |
52 | std::string replace(std::string s, char f, char r) |
53 | { | |
54 | for (unsigned i=0; i<s.length(); ++i) if (s[i]==f) s[i]=r; | |
55 | return s; | |
e035276b JT |
56 | } |
57 | ||
52b6f93a JT |
58 | //! strip prefix from string s |
59 | /*! | |
60 | \return string s without prefix or an empty string on error | |
61 | */ | |
1770469c | 62 | std::string strip(std::string s, std::string prefix) |
e035276b | 63 | { |
1770469c GE |
64 | std::string error; |
65 | if ( (prefix.length()>s.length() ) || ( std::string(s,0,prefix.length())!=prefix ) ) return error; | |
66 | return std::string(s, prefix.length(), s.length()-prefix.length()); | |
e035276b JT |
67 | } |
68 | ||
e50cc1d6 JT |
69 | //! get child element by id |
70 | /*! | |
71 | \return pointer to element having id or null on error | |
72 | \todo find libxmlpp pendant | |
73 | */ | |
74 | const xmlpp::Element* get_element_by_id(const xmlpp::Element* element, const std::string &id) | |
75 | { | |
1770469c GE |
76 | const xmlpp::Attribute* cid = element->get_attribute("id"); |
77 | if ( cid && ( cid->get_value() == id)) return element; | |
78 | ||
79 | //Recurse through child nodes: | |
80 | xmlpp::Node::NodeList list = element->get_children(); | |
81 | for (xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter) | |
82 | { | |
83 | const xmlpp::Element* element = dynamic_cast<const xmlpp::Element*>(*iter); | |
84 | if (element) | |
85 | { | |
86 | const xmlpp::Element* match = get_element_by_id(element, id); | |
87 | if (match) return match; | |
88 | } | |
89 | } | |
90 | return NULL; | |
e50cc1d6 JT |
91 | } |
92 | ||
1770469c | 93 | std::string get_file(const xmlpp::Element* root, const std::string &file_id) |
6be7b70f | 94 | { |
1770469c GE |
95 | std::string error; |
96 | const xmlpp::Element* e=get_element_by_id(root, file_id); | |
97 | if ((!e)||(!e->get_attribute("name"))) return error; | |
98 | return e->get_attribute("name")->get_value(); | |
6be7b70f JT |
99 | } |
100 | ||
e50cc1d6 JT |
101 | //! get namespace by id |
102 | /*! | |
103 | \return namespace name or empty string on error | |
104 | */ | |
105 | std::string get_namespace(const xmlpp::Element* root, const std::string &id) | |
106 | { | |
1770469c GE |
107 | std::string error; |
108 | const xmlpp::Element* element(get_element_by_id(root, id)); | |
109 | // [RP:20071024]: use "demangled" attribute instead of "name" to cover nested namespaces: | |
110 | if ((!element)||(!element->get_attribute("demangled"))) return error; | |
111 | return element->get_attribute("demangled")->get_value(); | |
e50cc1d6 JT |
112 | } |
113 | ||
ef7b2923 | 114 | //! procedure marked for export? |
1770469c | 115 | bool is_marked(const std::string &attrs) |
d340d435 | 116 | { |
1770469c GE |
117 | // todo: improve this |
118 | std::string to_match("gccxml(libt2n-"); | |
119 | std::string::size_type p(attrs.find(to_match)); | |
120 | return (p!=std::string::npos); | |
d340d435 JT |
121 | } |
122 | ||
e035276b JT |
123 | struct type_info |
124 | { | |
1770469c GE |
125 | std::string name; |
126 | std::string noref_name; | |
127 | bool operator==(const type_info& o) {return (name==o.name) && (noref_name == o.noref_name);} | |
128 | std::string noref() const {return noref_name.empty() ? name : noref_name;} | |
129 | bool isVoid() const {return name=="void";} | |
e035276b JT |
130 | }; |
131 | ||
1770469c GE |
132 | std::ostream &operator<<(std::ostream &o, const type_info &t) |
133 | { | |
134 | o << t.name; | |
135 | return o; | |
e035276b JT |
136 | } |
137 | ||
6be7b70f JT |
138 | struct parse_error : public std::runtime_error |
139 | { | |
1770469c GE |
140 | parse_error(const std::string &file, unsigned line, const std::string &msg) |
141 | : std::runtime_error(file+":"+boost::lexical_cast<std::string>(line)+": error: "+msg) | |
142 | {} | |
6be7b70f JT |
143 | }; |
144 | ||
e50cc1d6 JT |
145 | //! get type by id |
146 | /*! | |
147 | \return type name or empty string on error | |
148 | */ | |
e035276b | 149 | type_info get_type(const xmlpp::Element* root, const std::string &id) |
e50cc1d6 | 150 | { |
1770469c GE |
151 | type_info error; |
152 | const xmlpp::Element* element(get_element_by_id(root, id)); | |
153 | if (!element) return error; | |
154 | ||
155 | // TODO: not yet complete | |
156 | // if we recurse - when do we stop? | |
157 | // if it is a typedef? yes? (hmm if the typedef is in the file parsed this will not work) | |
158 | ||
159 | // TODO: const and reference types handling is a ugly hack | |
160 | ||
161 | std::string tag(element->get_name()); | |
162 | if (tag=="ReferenceType") | |
163 | { | |
164 | assert(element->get_attribute("type")); | |
165 | type_info ret(get_type(root, element->get_attribute("type")->get_value())); | |
166 | if (ret==error) return error; | |
167 | // at the moment we only support const & | |
168 | // todo: nice error message! | |
169 | if ((ret.noref_name=strip(ret.name,"const ")).empty()) return error; | |
170 | ret.name=ret.name+"&"; | |
171 | return ret; | |
172 | } | |
173 | else if (tag=="CvQualifiedType") | |
174 | { | |
175 | assert(element->get_attribute("type")); | |
176 | type_info ret(get_type(root, element->get_attribute("type")->get_value())); | |
177 | if (ret==error) return error; | |
178 | ret.name=std::string("const ")+ret.name; | |
179 | return ret; | |
180 | } | |
181 | else if (tag=="PointerType") | |
182 | { | |
183 | // todo: nearly the same as reference type handling | |
184 | assert(element->get_attribute("type")); | |
185 | type_info ret(get_type(root, element->get_attribute("type")->get_value())); | |
186 | if (ret==error) return error; | |
187 | // at the moment we only support const & | |
188 | // todo: nice error message! | |
189 | if ((ret.noref_name=strip(ret.name,"const ")).empty()) return error; | |
190 | ret.name=ret.name+"*"; | |
191 | return ret; | |
192 | } | |
193 | ||
194 | assert(element->get_attribute("name")); | |
195 | type_info ret; | |
196 | if (element->get_attribute("context")) | |
197 | { | |
198 | ret.name=get_namespace(root, element->get_attribute("context")->get_value()); | |
199 | if (ret.name!="::") | |
200 | ret.name+="::"; | |
201 | else | |
202 | // do not explicitely add :: | |
203 | ret.name=""; | |
204 | } | |
205 | ret.name+=element->get_attribute("name")->get_value(); | |
206 | return ret; | |
e50cc1d6 JT |
207 | } |
208 | ||
73eb04f2 GE |
209 | struct Arg |
210 | { | |
211 | std::string name; | |
212 | type_info type; | |
213 | std::string defaultArg; | |
214 | }; | |
215 | ||
060fbd87 JT |
216 | struct t2n_procedure |
217 | { | |
73eb04f2 | 218 | typedef std::list<Arg> Args; |
1770469c GE |
219 | |
220 | type_info ret_type; | |
221 | std::string name; | |
222 | std::string mangled; | |
223 | Args args; | |
224 | ||
225 | std::string ret_classname() const | |
226 | { | |
227 | return name+mangled+"_res"; | |
228 | } | |
229 | std::string cmd_classname() const | |
230 | { | |
231 | return name+mangled+"_cmd"; | |
232 | } | |
233 | bool hasReturn() const {return !ret_type.isVoid();} | |
060fbd87 | 234 | }; |
e50cc1d6 | 235 | |
1770469c GE |
236 | std::ostream &operator<<(std::ostream &o, const t2n_procedure::Args &args) |
237 | { | |
238 | for (t2n_procedure::Args::const_iterator it=args.begin();it!=args.end();++it) | |
239 | { | |
240 | if (it!=args.begin()) o << ", "; | |
73eb04f2 GE |
241 | o << it->type << " " << it->name; |
242 | ||
243 | if (!it->defaultArg.empty()) | |
244 | o << "=" << it->defaultArg; | |
1770469c GE |
245 | } |
246 | return o; | |
060fbd87 | 247 | } |
e50cc1d6 | 248 | |
1770469c GE |
249 | std::ostream &operator<<(std::ostream &o, const t2n_procedure &f) |
250 | { | |
251 | o << f.ret_type << " " << f.name << "(" << f.args << ")"; | |
252 | return o; | |
060fbd87 | 253 | } |
e50cc1d6 | 254 | |
3b7c93a8 JT |
255 | std::pair<std::string, unsigned> |
256 | get_file_and_line(const xmlpp::Element* root, const xmlpp::Element* element) | |
257 | { | |
1770469c GE |
258 | return std::pair<std::string, unsigned>(get_file(root, element->get_attribute("file")->get_value()), |
259 | boost::lexical_cast<unsigned>(element->get_attribute("line")->get_value())-1); | |
3b7c93a8 JT |
260 | } |
261 | ||
1770469c | 262 | std::string get_file_and_line_as_string(const xmlpp::Element* root, const xmlpp::Element* element) |
3b7c93a8 | 263 | { |
1770469c GE |
264 | std::pair<std::string, unsigned> fl(get_file_and_line(root,element)); |
265 | return std::string(fl.first)+":"+boost::lexical_cast<std::string>(fl.second); | |
3b7c93a8 JT |
266 | } |
267 | ||
060fbd87 JT |
268 | class Parser |
269 | { | |
270 | public: | |
1770469c GE |
271 | Parser(const std::string &fname) : m_fname(fname) {} |
272 | ||
273 | std::list<t2n_procedure> get_procedures() | |
274 | { | |
275 | xmlpp::DomParser parser; | |
276 | // parser.set_validate(); | |
277 | parser.set_substitute_entities(); //We just want the text to be resolved/unescaped automatically. | |
278 | parser.parse_file(m_fname); | |
279 | if (parser) | |
280 | { | |
281 | //Walk the tree: | |
282 | const xmlpp::Node* pNode = parser.get_document()->get_root_node(); //deleted by DomParser. | |
283 | const xmlpp::Element* root = dynamic_cast<const xmlpp::Element*>(pNode); | |
284 | assert(root); | |
285 | visit_node(root); | |
286 | } | |
287 | return m_procedures; | |
288 | } | |
060fbd87 | 289 | protected: |
1770469c GE |
290 | std::string m_fname; |
291 | std::list<t2n_procedure> m_procedures; | |
292 | ||
293 | void parse_function(const xmlpp::Element* root, const xmlpp::Node* node) | |
294 | { | |
295 | const xmlpp::Element* element = dynamic_cast<const xmlpp::Element*>(node); | |
296 | if (!element) return; | |
297 | ||
298 | const xmlpp::Attribute* attributes = element->get_attribute("attributes"); | |
299 | const xmlpp::Attribute* name = element->get_attribute("name"); | |
300 | const xmlpp::Attribute* mangled = element->get_attribute("mangled"); | |
301 | const xmlpp::Attribute* returns = element->get_attribute("returns"); | |
302 | if ((!attributes)||(!name)||(!mangled)||(!returns)) return; | |
303 | ||
304 | // check wether the procedure is marked (TODO: improve) | |
305 | // attributes are speparated by spaces? | |
306 | ||
307 | t2n_procedure f; | |
308 | if (!is_marked(attributes->get_value())) return; | |
309 | ||
310 | // we need the return type | |
311 | f.ret_type=get_type(root, returns->get_value()); | |
312 | f.name=name->get_value(); | |
313 | f.mangled=mangled->get_value(); | |
314 | ||
315 | xmlpp::Node::NodeList list = node->get_children("Argument"); | |
316 | for (xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter) | |
317 | { | |
318 | const xmlpp::Element* arg = dynamic_cast<const xmlpp::Element*>(*iter); | |
319 | if ( arg ) | |
320 | { | |
73eb04f2 GE |
321 | struct Arg a; |
322 | ||
1770469c | 323 | assert(arg->get_name() == "Argument"); |
73eb04f2 | 324 | |
1770469c | 325 | assert(arg->get_attribute("name")); |
73eb04f2 GE |
326 | a.name=arg->get_attribute("name")->get_value(); |
327 | ||
1770469c | 328 | assert(arg->get_attribute("type")); |
73eb04f2 GE |
329 | a.type=get_type(root, arg->get_attribute("type")->get_value()); |
330 | ||
7799fec7 GE |
331 | // this would be the nice way of solving the problem of default arguments |
332 | // but currently the output of gccxml is unreliable (e.g. namespace only | |
333 | // sometimes available) | |
334 | // if(arg->get_attribute("default")) | |
335 | // a.defaultArg=arg->get_attribute("default")->get_value(); | |
336 | ||
337 | // so we need to get the def. arg. via attribute | |
338 | // which is previously set by the macro LIBT2N_DEFAULT_ARG(type,value) | |
339 | if(arg->get_attribute("attributes")) | |
340 | { | |
341 | std::string attr=arg->get_attribute("attributes")->get_value(); | |
342 | const std::string look_for = "gccxml(libt2n-default-arg,"; | |
343 | ||
344 | if (attr.compare(0,look_for.size(),look_for) == 0) | |
345 | a.defaultArg=attr.substr(look_for.size(),attr.size()-look_for.size()-1); | |
346 | } | |
73eb04f2 | 347 | |
1770469c | 348 | // todo: ugly - could be any other error |
73eb04f2 | 349 | if (a.type.name.empty()) |
1770469c GE |
350 | { |
351 | assert(element->get_attribute("file")); | |
352 | assert(element->get_attribute("line")); | |
353 | std::pair<std::string, unsigned> file_and_line(get_file_and_line(root, element)); | |
354 | throw parse_error(file_and_line.first, | |
355 | file_and_line.second, | |
73eb04f2 | 356 | std::string("type of parameter '")+a.name+"' not (yet?) supported"); |
1770469c | 357 | } |
73eb04f2 GE |
358 | |
359 | f.args.push_back(a); | |
1770469c GE |
360 | } |
361 | } | |
362 | std::cerr << get_file_and_line_as_string(root, element) << ":\texport procedure: " << f << std::endl; | |
363 | m_procedures.push_back(f); | |
364 | } | |
365 | ||
366 | void visit_node(const xmlpp::Element* root, const xmlpp::Node* node = NULL, unsigned int indentation = 0) | |
367 | { | |
368 | if (!node) node=root; | |
369 | ||
370 | const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node); | |
371 | const xmlpp::TextNode* nodeText = dynamic_cast<const xmlpp::TextNode*>(node); | |
372 | const xmlpp::CommentNode* nodeComment = dynamic_cast<const xmlpp::CommentNode*>(node); | |
373 | ||
374 | if (nodeText && nodeText->is_white_space()) //Let's ignore the indenting - you don't always want to do this. | |
375 | return; | |
376 | ||
377 | std::string nodename = node->get_name(); | |
378 | ||
379 | if (!nodeText && !nodeComment && !nodename.empty()) //Let's not say "name: text". | |
380 | { | |
381 | if (node->get_name() == "Function") parse_function(root, node); | |
382 | } | |
383 | if (!nodeContent) | |
384 | { | |
385 | //Recurse through child nodes: | |
386 | xmlpp::Node::NodeList list = node->get_children(); | |
387 | for (xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter) | |
388 | { | |
389 | visit_node(root, *iter, indentation + 2); //recursive | |
390 | } | |
391 | } | |
392 | } | |
060fbd87 JT |
393 | }; |
394 | ||
1770469c GE |
395 | void output_common_hpp(std::ostream &o, const std::string &group, const std::list<t2n_procedure> &procs) |
396 | { | |
2f0896ce | 397 | o << "class " << groupClass(group) << " : public libt2n::command\n" |
1770469c GE |
398 | << "{\n" |
399 | << "private:\n" | |
400 | << " friend class boost::serialization::access;\n" | |
401 | << " template<class Archive>\n" | |
402 | << " void serialize(Archive & ar, const unsigned int /* version */)\n" | |
403 | << " {ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::command);}\n" | |
404 | << "};\n"; | |
405 | ||
406 | for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it) | |
407 | { | |
408 | o << "class " << it->ret_classname() << " : public libt2n::result\n" | |
409 | << "{\n" | |
410 | << "private:\n"; | |
411 | if (it->hasReturn()) | |
412 | o << " " << it->ret_type << " res;\n"; | |
413 | o << " friend class boost::serialization::access;\n" | |
414 | << " template<class Archive>\n" | |
415 | << " void serialize(Archive & ar, const unsigned int /* version */)\n" | |
416 | << " {\n" | |
417 | << " ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::result);\n"; | |
418 | if (it->hasReturn()) | |
419 | o << " ar & BOOST_SERIALIZATION_NVP(res);\n"; | |
420 | o << " }\n" | |
421 | << "public:\n" | |
422 | << " " << it->ret_classname() << "() {}\n"; | |
423 | if (it->hasReturn()) | |
424 | { | |
425 | o << " " << it->ret_classname() << "(const " << it->ret_type << " &_res) : res(_res) {}\n" | |
426 | << " " << it->ret_type << " get_data() { return res; }\n"; | |
427 | } | |
428 | o << "};\n"; | |
d340d435 | 429 | } |
1770469c GE |
430 | for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it) |
431 | { | |
432 | o << "class " << it->cmd_classname() << " : public " << groupClass(group) << "\n" | |
433 | << "{\n" | |
434 | << "private:\n"; | |
435 | for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) | |
436 | { | |
73eb04f2 | 437 | o << " " << ait->type.noref() << " " << ait->name << ";\n"; |
1770469c GE |
438 | } |
439 | o << " friend class boost::serialization::access;\n" | |
440 | << " template<class Archive>\n" | |
441 | << " void serialize(Archive & ar, const unsigned int /* version */)\n" | |
442 | << " {\n" | |
443 | << " ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(" << groupClass(group) << ");\n"; | |
444 | for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) | |
445 | { | |
73eb04f2 | 446 | o << " ar & BOOST_SERIALIZATION_NVP(" << ait->name << ");\n"; |
1770469c GE |
447 | } |
448 | ||
449 | // default constructor | |
450 | o << " }\n" | |
451 | << "\n" | |
452 | << "public:\n" | |
453 | << " " << it->cmd_classname() << "() {}\n"; | |
454 | ||
455 | // constructor taking all arguments | |
456 | if (!it->args.empty()) | |
457 | { | |
458 | o << " " << it->cmd_classname() << "("; | |
459 | for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) | |
460 | { | |
461 | if (ait!=it->args.begin()) o << ", "; | |
73eb04f2 | 462 | o << ait->type << " _" << ait->name; |
1770469c GE |
463 | } |
464 | o << ") : "; | |
465 | for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) | |
466 | { | |
467 | if (ait!=it->args.begin()) o << ", "; | |
468 | // pointers are const pointers and must be dereferenced | |
73eb04f2 | 469 | o << ait->name << "(" << ((ait->type.name.find_first_of('*')!=std::string::npos) ? "*" : "" ) << "_" << ait->name << ")"; |
1770469c GE |
470 | } |
471 | o << " {}\n"; | |
472 | } | |
473 | o << " libt2n::result* operator()();\n" | |
474 | << "};\n"; | |
d340d435 | 475 | } |
060fbd87 JT |
476 | } |
477 | ||
1770469c GE |
478 | void output_common_cpp(std::ostream &o, const std::string &group, const std::list<t2n_procedure> &procs, const std::string &common_hpp) |
479 | { | |
480 | o << "#include \"" << common_hpp << "\"\n" | |
481 | << "#include <boost/serialization/export.hpp>\n" | |
482 | << "\n" | |
483 | << "/* register types with boost serialization */\n"; | |
484 | o << "BOOST_CLASS_EXPORT(" << groupClass(group) << ")\n"; | |
485 | for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it) | |
486 | { | |
487 | o << "BOOST_CLASS_EXPORT("<<it->ret_classname()<<")\n" | |
488 | << "BOOST_CLASS_EXPORT("<<it->cmd_classname()<<")\n"; | |
489 | } | |
060fbd87 | 490 | } |
e50cc1d6 | 491 | |
1770469c GE |
492 | void output_client_hpp(std::ostream &o, const std::string &group, const std::list<t2n_procedure> &procs) |
493 | { | |
494 | o << "#include <command_client.hxx>\n"; | |
495 | ||
496 | o << "class " << groupClass(group) << "_client : public libt2n::command_client\n" | |
497 | << "{\n" | |
498 | << "public:\n" | |
f6d1a1e3 | 499 | << groupClass(group) << "_client(libt2n::client_connection *_c,\n" |
1770469c GE |
500 | << " long long _command_timeout_usec=command_timeout_usec_default,\n" |
501 | << " long long _hello_timeout_usec=hello_timeout_usec_default)\n" | |
502 | << " : libt2n::command_client(_c,_command_timeout_usec,_hello_timeout_usec)\n" | |
503 | << " {}\n"; | |
504 | for (std::list<t2n_procedure>::const_iterator pit=procs.begin();pit!=procs.end();++pit) | |
505 | { | |
506 | o << " " << *pit << ";\n"; | |
507 | } | |
508 | o << "};\n"; | |
060fbd87 | 509 | } |
e50cc1d6 | 510 | |
1770469c GE |
511 | void output_client_cpp(std::ostream &o, const std::string &group, const std::list<t2n_procedure> &procs, const std::string &common_hpp, const std::string &common_cpp, const std::string &client_hpp) |
512 | { | |
513 | o << "#include \"" << client_hpp << "\"\n" | |
514 | << "#include \"" << common_hpp << "\"\n" | |
515 | << "// fake\n"; | |
516 | for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it) | |
517 | { | |
518 | o << "libt2n::result* " << it->cmd_classname() << "::operator()() { return NULL; }\n"; | |
519 | } | |
520 | ||
521 | for (std::list<t2n_procedure>::const_iterator pit=procs.begin();pit!=procs.end();++pit) | |
522 | { | |
73eb04f2 GE |
523 | o << pit->ret_type << " " << groupClass(group) << "_client::" << pit->name << "("; |
524 | ||
525 | // we need to do this by hand here because we don't want default arguments within the cpp | |
526 | for (t2n_procedure::Args::const_iterator xit=pit->args.begin();xit!=pit->args.end();++xit) | |
527 | { | |
528 | if (xit!=pit->args.begin()) | |
529 | o << ", "; | |
530 | o << xit->type << " " << xit->name; | |
531 | } | |
532 | ||
533 | o << ")\n" | |
1770469c GE |
534 | << "{\n" |
535 | << " libt2n::result_container rc;\n" | |
536 | << " send_command(new " << pit->cmd_classname() << "("; | |
537 | for (t2n_procedure::Args::const_iterator ait=pit->args.begin();ait!=pit->args.end();++ait) | |
538 | { | |
539 | if (ait!=pit->args.begin()) o << ", "; | |
73eb04f2 | 540 | o << ait->name; |
1770469c GE |
541 | } |
542 | o << "), rc);\n" | |
543 | << " " << pit->ret_classname() << "* res=dynamic_cast<" << pit->ret_classname() << "*>(rc.get_result());\n" | |
544 | << " if (!res) throw libt2n::t2n_communication_error(\"result object of wrong type\");\n"; | |
545 | if (pit->hasReturn()) | |
546 | o << " return res->get_data();\n"; | |
547 | o << "}\n"; | |
548 | } | |
549 | ||
550 | // include in this compilation unit to ensure the compilation unit is used | |
551 | // see also: | |
552 | // http://www.google.de/search?q=g%2B%2B+static+initializer+in+static+library | |
553 | o << "#include \"" << common_cpp << "\"\n"; | |
060fbd87 JT |
554 | } |
555 | ||
1770469c GE |
556 | void output_server_hpp(std::ostream &o, const std::string & /* group */, const std::list<t2n_procedure> &procs, const std::string &common_hpp) |
557 | { | |
558 | o << "#include \"" << common_hpp << "\"\n"; | |
a96ab628 | 559 | |
1770469c GE |
560 | // output function declarations |
561 | for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it) | |
562 | o << *it << ";\n"; | |
a96ab628 JT |
563 | } |
564 | ||
1770469c GE |
565 | void output_server_cpp(std::ostream &o, const std::string &group, const std::list<t2n_procedure> &procs, const std::string &common_hpp, const std::string &common_cpp) |
566 | { | |
567 | o << "#include \"" << common_hpp << "\"\n"; | |
568 | ||
569 | for (std::list<t2n_procedure>::const_iterator it=procs.begin();it!=procs.end();++it) | |
570 | { | |
571 | o << *it << ";\n"; | |
572 | o << "libt2n::result* " << it->cmd_classname() << "::operator()() { "; | |
573 | ||
574 | if (it->hasReturn()) | |
575 | o << "return new " << it->ret_classname() << "("; | |
576 | ||
577 | // output function name and args | |
578 | o << it->name << "("; | |
579 | for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) | |
580 | { | |
581 | if (ait!=it->args.begin()) o << ", "; | |
582 | // get pointer | |
73eb04f2 | 583 | if (ait->type.name.find_first_of('*')!=std::string::npos) |
1770469c | 584 | o << '&'; |
73eb04f2 | 585 | o << ait->name; |
1770469c GE |
586 | } |
587 | ||
588 | if (it->hasReturn()) | |
589 | o << "));"; | |
590 | else | |
9c627fab TJ |
591 | o << "); return new " << it->ret_classname() << "();"; |
592 | ||
1770469c GE |
593 | o << " }\n"; |
594 | } | |
595 | o << "#include \"" << common_cpp << "\"\n"; | |
060fbd87 JT |
596 | } |
597 | ||
060fbd87 JT |
598 | struct header_file : public std::ofstream |
599 | { | |
1770469c GE |
600 | header_file(const char* fname) : std::ofstream(fname) |
601 | { | |
602 | std::cerr << "create header: '" << fname << "'" << std::endl; | |
603 | std::string macro(replace(toupper(fname),'.','_')); | |
604 | *this << "// automatically generated code (generated by libt2n-codegen " << VERSION << ") - do not edit\n" << std::endl; | |
605 | *this << "#ifndef " << macro << "\n" | |
606 | << "#define " << macro << "\n"; | |
607 | } | |
608 | ~header_file() | |
609 | { | |
610 | *this << "#endif" << std::endl; | |
611 | } | |
060fbd87 JT |
612 | }; |
613 | ||
614 | struct cpp_file : public std::ofstream | |
615 | { | |
1770469c GE |
616 | cpp_file(const char* fname) : std::ofstream(fname) |
617 | { | |
618 | std::cerr << "create cpp: '" << fname << "'" << std::endl; | |
619 | *this << "// automatically generated code - do not edit\n" << std::endl; | |
620 | } | |
060fbd87 JT |
621 | }; |
622 | ||
623 | int | |
624 | main(int argc, char* argv[]) | |
e50cc1d6 | 625 | { |
3907d211 | 626 | // todo: maybe use getopt |
1770469c GE |
627 | if ((argc>1)&&(std::string(argv[1])=="--version")) |
628 | { | |
629 | std::cerr << VERSION << std::endl; | |
630 | return 0; | |
3907d211 JT |
631 | } |
632 | if (argc < 3) | |
633 | { | |
1770469c GE |
634 | std::cerr << "Usage: " << argv[0] << "default-group gccxml-file1 gccxml-file2 ... " << std::endl; |
635 | return 1; | |
3907d211 | 636 | } |
060fbd87 | 637 | |
1770469c GE |
638 | try |
639 | { | |
640 | std::string group(argv[1]); | |
641 | std::list<std::string> xmlfiles; | |
642 | for (int i=2;i<argc;++i) | |
643 | xmlfiles.push_back(argv[i]); | |
644 | ||
645 | std::string prefix=group+"_"; | |
646 | std::list<t2n_procedure> procedures; | |
647 | for (std::list<std::string>::iterator it=xmlfiles.begin();it!=xmlfiles.end();++it) | |
648 | { | |
649 | std::cerr << "Parse " << *it << std::endl; | |
650 | Parser parser(*it); | |
651 | const std::list<t2n_procedure> &p(parser.get_procedures()); | |
652 | std::copy(p.begin(), p.end(), std::back_inserter(procedures)); | |
653 | } | |
654 | ||
655 | std::cerr << "All procedures:" << std::endl; | |
656 | for (std::list<t2n_procedure>::const_iterator it=procedures.begin();it!=procedures.end();++it) | |
657 | std::cerr << *it << ";" << std::endl; | |
658 | ||
659 | std::string common_hpp_fname(prefix+"common.hxx"); | |
660 | std::string common_cpp_fname(prefix+"common.cpp"); | |
661 | std::string client_hpp_fname(prefix+"client.hxx"); | |
662 | std::string client_cpp_fname(prefix+"client.cpp"); | |
663 | std::string server_hpp_fname(prefix+"server.hxx"); | |
664 | std::string server_cpp_fname(prefix+"server.cpp"); | |
665 | ||
666 | header_file common_hpp(common_hpp_fname.c_str()); | |
667 | common_hpp << "// boost serialization is picky about order of include files => we have to include this one first\n" | |
668 | << "#include \"codegen-stubhead.hxx\"\n" | |
669 | << "#include \"" << group << ".hxx\"\n"; | |
670 | ||
671 | output_common_hpp(common_hpp, group, procedures); | |
672 | ||
673 | cpp_file common_cpp(common_cpp_fname.c_str()); | |
674 | output_common_cpp(common_cpp, group, procedures, common_hpp_fname); | |
675 | ||
676 | header_file client_hpp(client_hpp_fname.c_str()); | |
677 | client_hpp << "// boost serialization is picky about order of include files => we have to include this one first\n" | |
678 | << "#include \"codegen-stubhead.hxx\"\n" | |
679 | << "#include \"" << group << ".hxx\"\n"; | |
680 | output_client_hpp(client_hpp, group, procedures); | |
681 | ||
682 | cpp_file client_cpp(client_cpp_fname.c_str()); | |
683 | output_client_cpp(client_cpp, group, procedures, common_hpp_fname, common_cpp_fname, client_hpp_fname); | |
684 | ||
685 | header_file server_hpp(server_hpp_fname.c_str()); | |
686 | output_server_hpp(server_hpp, group, procedures, common_hpp_fname); | |
687 | ||
688 | cpp_file server_cpp(server_cpp_fname.c_str()); | |
689 | output_server_cpp(server_cpp, group, procedures, common_hpp_fname, common_cpp_fname); | |
690 | } | |
691 | catch (const parse_error &e) | |
692 | { | |
693 | std::cerr << e.what() << std::endl; | |
694 | return EXIT_FAILURE; | |
695 | } | |
696 | return EXIT_SUCCESS; | |
e50cc1d6 | 697 | } |