1 #include <simgear/math/SGMath.hxx>
4 #include "NasalHash.hxx"
5 #include "NasalString.hxx"
6 #include <simgear/structure/map.hxx>
8 #include <boost/shared_ptr.hpp>
9 #include <boost/weak_ptr.hpp>
17 std::cerr << "failed: line " << __LINE__ << ": " << #a << std::endl; \
29 naRef member(const nasal::CallContext&) { return naNil(); }
32 std::string getString() const { return ""; }
33 void setString(const std::string&) {}
34 void constVoidFunc() const {}
35 size_t test1Arg(const std::string& str) const { return str.length(); }
36 bool test2Args(const std::string& s, bool c) { return c && s.empty(); }
39 const std::string& getVar() const { return var; }
40 void setVar(const std::string v) { var = v; }
43 void baseVoidFunc(Base& b) {}
44 void baseConstVoidFunc(const Base& b) {}
45 size_t baseFunc2Args(Base& b, int x, const std::string& s) { return x + s.size(); }
46 std::string testPtr(Base& b) { return b.getString(); }
47 void baseFuncCallContext(const Base&, const nasal::CallContext&) {}
53 int getX() const { return _x; }
54 void setX(int x) { _x = x; }
62 typedef boost::shared_ptr<Base> BasePtr;
63 typedef std::vector<BasePtr> BaseVec;
65 struct DoubleDerived2:
68 const BasePtr& getBase() const{return _base;}
70 BaseVec doSomeBaseWork(const BaseVec& v) { return v; }
73 class SGReferenceBasedClass:
79 typedef boost::shared_ptr<Derived> DerivedPtr;
80 typedef boost::shared_ptr<DoubleDerived> DoubleDerivedPtr;
81 typedef boost::shared_ptr<DoubleDerived2> DoubleDerived2Ptr;
82 typedef SGSharedPtr<SGReferenceBasedClass> SGRefBasedPtr;
84 typedef boost::weak_ptr<Derived> DerivedWeakPtr;
86 naRef derivedFreeMember(Derived&, const nasal::CallContext&) { return naNil(); }
87 naRef f_derivedGetX(naContext c, const Derived& d)
89 return nasal::to_nasal(c, d.getX());
91 naRef f_freeFunction(nasal::CallContext c) { return c.requireArg<naRef>(0); }
93 int main(int argc, char* argv[])
95 naContext c = naNewContext();
98 using namespace nasal;
100 r = to_nasal(c, ENUM_ANOTHER);
101 VERIFY( from_nasal<int>(c, r) == ENUM_ANOTHER );
103 r = to_nasal(c, "Test");
104 VERIFY( strncmp("Test", naStr_data(r), naStr_len(r)) == 0 );
105 VERIFY( from_nasal<std::string>(c, r) == "Test" );
107 r = to_nasal(c, std::string("Test"));
108 VERIFY( strncmp("Test", naStr_data(r), naStr_len(r)) == 0 );
109 VERIFY( from_nasal<std::string>(c, r) == "Test" );
112 VERIFY( naNumValue(r).num == 42 );
113 VERIFY( from_nasal<int>(c, r) == 42 );
115 r = to_nasal(c, 4.2f);
116 VERIFY( naNumValue(r).num == 4.2f );
117 VERIFY( from_nasal<float>(c, r) == 4.2f );
119 float test_data[3] = {0, 4, 2};
120 r = to_nasal(c, test_data);
123 r = to_nasal(c, vec);
124 VERIFY( from_nasal<SGVec2f>(c, r) == vec );
126 std::vector<int> std_vec;
127 r = to_nasal(c, std_vec);
129 r = to_nasal(c, "string");
132 from_nasal<int>(c, r);
134 std::cerr << "failed: Expected bad_nasal_cast to be thrown" << std::endl;
137 catch(nasal::bad_nasal_cast&)
142 hash.set("vec2", vec);
143 hash.set("name", "my-name");
144 hash.set("string", std::string("blub"));
145 hash.set("func", &f_freeFunction);
147 r = to_nasal(c, hash);
148 VERIFY( naIsHash(r) );
150 VERIFY( hash.get<std::string>("name") == "my-name" );
151 VERIFY( naIsString(hash.get("name")) );
153 Hash mod = hash.createHash("mod");
154 mod.set("parent", hash);
157 // 'func' is a C++ function registered to Nasal and now converted back to C++
158 boost::function<int (int)> f = hash.get<int (int)>("func");
162 boost::function<std::string (int)> fs = hash.get<std::string (int)>("func");
164 VERIFY( fs(14) == "14" );
166 typedef boost::function<void (int)> FuncVoidInt;
167 FuncVoidInt fvi = hash.get<FuncVoidInt>("func");
171 typedef boost::function<std::string (const std::string&, int, float)> FuncMultiArg;
172 FuncMultiArg fma = hash.get<FuncMultiArg>("func");
174 VERIFY( fma("test", 3, .5) == "test" );
176 //----------------------------------------------------------------------------
177 // Test exposing classes to Nasal
178 //----------------------------------------------------------------------------
180 Ghost<BasePtr>::init("BasePtr")
181 .method("member", &Base::member)
182 .method("strlen", &Base::test1Arg)
183 .member("str", &Base::getString, &Base::setString)
184 .method("str_m", &Base::getString)
185 .method("void", &Base::constVoidFunc)
186 .member("var_r", &Base::getVar)
187 .member("var_w", &Base::setVar)
188 .member("var", &Base::getVar, &Base::setVar)
189 .method("void", &baseVoidFunc)
190 .method("void_c", &baseConstVoidFunc)
191 .method("int2args", &baseFunc2Args)
192 .method("bool2args", &Base::test2Args)
193 .method("str_ptr", &testPtr);
194 Ghost<DerivedPtr>::init("DerivedPtr")
196 .member("x", &Derived::getX, &Derived::setX)
197 .member("x_alternate", &f_derivedGetX)
198 .method("free_fn", &derivedFreeMember)
199 .method("free_member", &derivedFreeMember)
200 .method("baseDoIt", &baseFuncCallContext);
201 Ghost<DoubleDerivedPtr>::init("DoubleDerivedPtr")
202 .bases<DerivedPtr>();
203 Ghost<DoubleDerived2Ptr>::init("DoubleDerived2Ptr")
204 .bases< Ghost<DerivedPtr> >()
205 .member("base", &DoubleDerived2::getBase)
206 .method("doIt", &DoubleDerived2::doSomeBaseWork);
208 Ghost<DerivedWeakPtr>::init("DerivedWeakPtr");
209 Ghost<SGRefBasedPtr>::init("SGRefBasedPtr");
211 VERIFY( Ghost<BasePtr>::isInit() );
212 nasal::to_nasal(c, DoubleDerived2Ptr());
214 BasePtr d( new Derived );
215 naRef derived = to_nasal(c, d);
216 VERIFY( naIsGhost(derived) );
217 VERIFY( std::string("DerivedPtr") == naGhost_type(derived)->name );
219 BasePtr d2( new DoubleDerived );
220 derived = to_nasal(c, d2);
221 VERIFY( naIsGhost(derived) );
222 VERIFY( std::string("DoubleDerivedPtr") == naGhost_type(derived)->name );
224 BasePtr d3( new DoubleDerived2 );
225 derived = to_nasal(c, d3);
226 VERIFY( naIsGhost(derived) );
227 VERIFY( std::string("DoubleDerived2Ptr") == naGhost_type(derived)->name );
229 SGRefBasedPtr ref_based( new SGReferenceBasedClass );
230 naRef na_ref_based = to_nasal(c, ref_based.get());
231 VERIFY( naIsGhost(na_ref_based) );
232 VERIFY( from_nasal<SGReferenceBasedClass*>(c, na_ref_based)
233 == ref_based.get() );
234 VERIFY( from_nasal<SGRefBasedPtr>(c, na_ref_based) == ref_based );
236 VERIFY( Ghost<BasePtr>::isBaseOf(derived) );
237 VERIFY( Ghost<DerivedPtr>::isBaseOf(derived) );
238 VERIFY( Ghost<DoubleDerived2Ptr>::isBaseOf(derived) );
240 VERIFY( from_nasal<BasePtr>(c, derived) == d3 );
241 VERIFY( from_nasal<BasePtr>(c, derived) != d2 );
242 VERIFY( from_nasal<DerivedPtr>(c, derived)
243 == boost::dynamic_pointer_cast<Derived>(d3) );
244 VERIFY( from_nasal<DoubleDerived2Ptr>(c, derived)
245 == boost::dynamic_pointer_cast<DoubleDerived2>(d3) );
246 VERIFY( !from_nasal<DoubleDerivedPtr>(c, derived) );
248 std::map<std::string, BasePtr> instances;
249 VERIFY( naIsHash(to_nasal(c, instances)) );
251 std::map<std::string, DerivedPtr> instances_d;
252 VERIFY( naIsHash(to_nasal(c, instances_d)) );
254 std::map<std::string, int> int_map;
255 VERIFY( naIsHash(to_nasal(c, int_map)) );
257 std::map<std::string, std::vector<int> > int_vector_map;
258 VERIFY( naIsHash(to_nasal(c, int_vector_map)) );
260 simgear::StringMap dict =
261 simgear::StringMap("hello", "value")
263 naRef na_dict = to_nasal(c, dict);
264 VERIFY( naIsHash(na_dict) );
265 VERIFY( Hash(na_dict, c).get<std::string>("key2") == "value2" );
267 // Check converting to Ghost if using Nasal hashes with actual ghost inside
268 // the hashes parents vector
269 std::vector<naRef> parents;
270 parents.push_back(hash.get_naRef());
271 parents.push_back(derived);
274 obj.set("parents", parents);
275 VERIFY( from_nasal<BasePtr>(c, obj.get_naRef()) == d3 );
277 // Check recursive parents (aka parent-of-parent)
278 std::vector<naRef> parents2;
279 parents2.push_back(obj.get_naRef());
281 derived_obj.set("parents", parents2);
282 VERIFY( from_nasal<BasePtr>(c, derived_obj.get_naRef()) == d3 );
284 std::vector<naRef> nasal_objects;
285 nasal_objects.push_back( Ghost<BasePtr>::create(c, d) );
286 nasal_objects.push_back( Ghost<BasePtr>::create(c, d2) );
287 nasal_objects.push_back( Ghost<BasePtr>::create(c, d3) );
288 naRef obj_vec = to_nasal(c, nasal_objects);
290 std::vector<BasePtr> objects = from_nasal<std::vector<BasePtr> >(c, obj_vec);
291 VERIFY( objects[0] == d );
292 VERIFY( objects[1] == d2 );
293 VERIFY( objects[2] == d3 );
295 // TODO actually do something with the ghosts...
297 //----------------------------------------------------------------------------
298 // Test nasal::CallContext
299 //----------------------------------------------------------------------------
302 int int_vec[] = {1,2,3};
303 std::map<std::string, std::string> map;
305 to_nasal(c, std::string("test-arg")),
307 to_nasal(c, int_vec),
310 CallContext cc(c, sizeof(args)/sizeof(args[0]), args);
311 VERIFY( cc.requireArg<std::string>(0) == "test-arg" );
312 VERIFY( cc.getArg<std::string>(0) == "test-arg" );
313 VERIFY( cc.getArg<std::string>(10) == "" );
314 VERIFY( cc.isString(0) );
315 VERIFY( !cc.isNumeric(0) );
316 VERIFY( !cc.isVector(0) );
317 VERIFY( !cc.isHash(0) );
318 VERIFY( !cc.isGhost(0) );
319 VERIFY( cc.isNumeric(1) );
320 VERIFY( cc.isVector(2) );
321 VERIFY( cc.isHash(3) );
323 naRef args_vec = nasal::to_nasal(c, args);
324 VERIFY( naIsVector(args_vec) );
326 //----------------------------------------------------------------------------
327 // Test nasal::String
328 //----------------------------------------------------------------------------
330 String string( to_nasal(c, "Test") );
331 VERIFY( from_nasal<std::string>(c, string.get_naRef()) == "Test" );
332 VERIFY( string.c_str() == std::string("Test") );
333 VERIFY( string.starts_with(string) );
334 VERIFY( string.starts_with(String(c, "T")) );
335 VERIFY( string.starts_with(String(c, "Te")) );
336 VERIFY( string.starts_with(String(c, "Tes")) );
337 VERIFY( string.starts_with(String(c, "Test")) );
338 VERIFY( !string.starts_with(String(c, "Test1")) );
339 VERIFY( !string.starts_with(String(c, "bb")) );
340 VERIFY( !string.starts_with(String(c, "bbasdasdafasd")) );
341 VERIFY( string.ends_with(String(c, "t")) );
342 VERIFY( string.ends_with(String(c, "st")) );
343 VERIFY( string.ends_with(String(c, "est")) );
344 VERIFY( string.ends_with(String(c, "Test")) );
345 VERIFY( !string.ends_with(String(c, "1Test")) );
346 VERIFY( !string.ends_with(String(c, "abc")) );
347 VERIFY( !string.ends_with(String(c, "estasdasd")) );
348 VERIFY( string.find('e') == 1 );
349 VERIFY( string.find('9') == String::npos );
350 VERIFY( string.find_first_of(String(c, "st")) == 2 );
351 VERIFY( string.find_first_of(String(c, "st"), 3) == 3 );
352 VERIFY( string.find_first_of(String(c, "xyz")) == String::npos );
353 VERIFY( string.find_first_not_of(String(c, "Tst")) == 1 );
354 VERIFY( string.find_first_not_of(String(c, "Tse"), 2) == 3 );
355 VERIFY( string.find_first_not_of(String(c, "abc")) == 0 );
356 VERIFY( string.find_first_not_of(String(c, "abc"), 20) == String::npos );