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| 16 | #include <shstr.h> |
16 | #include <shstr.h> |
| 17 | #include <traits.h> |
17 | #include <traits.h> |
| 18 | |
18 | |
| 19 | // use a gcc extension for auto declarations until ISO C++ sanctifies them |
19 | // use a gcc extension for auto declarations until ISO C++ sanctifies them |
| 20 | #define AUTODECL(var,expr) typeof(expr) var = (expr) |
20 | #define AUTODECL(var,expr) typeof(expr) var = (expr) |
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21 | |
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22 | // very ugly macro that basicaly declares and initialises a variable |
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23 | // that is in scope for the next statement only |
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24 | // works only for stuff that can be assigned 0 and converts to false |
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25 | // (note: works great for pointers) |
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26 | // most ugly macro I ever wrote |
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27 | #define declvar(type, name, value) if (type name = 0) { } else if (((name) = (value)), 1) |
| 21 | |
28 | |
| 22 | // makes dynamically allocated objects zero-initialised |
29 | // makes dynamically allocated objects zero-initialised |
| 23 | struct zero_initialised |
30 | struct zero_initialised |
| 24 | { |
31 | { |
| 25 | void *operator new (size_t s, void *p) |
32 | void *operator new (size_t s, void *p) |
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| 196 | { |
203 | { |
| 197 | return !strcmp (a, b); |
204 | return !strcmp (a, b); |
| 198 | } |
205 | } |
| 199 | }; |
206 | }; |
| 200 | |
207 | |
| 201 | template<class obj> |
208 | template<class T> |
| 202 | struct unordered_vector : std::vector<obj, slice_allocator<obj> > |
209 | struct unordered_vector : std::vector<T, slice_allocator<T> > |
| 203 | { |
210 | { |
| 204 | typedef typename unordered_vector::iterator iterator; |
211 | typedef typename unordered_vector::iterator iterator; |
| 205 | |
212 | |
| 206 | void erase (unsigned int pos) |
213 | void erase (unsigned int pos) |
| 207 | { |
214 | { |
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| 212 | } |
219 | } |
| 213 | |
220 | |
| 214 | void erase (iterator i) |
221 | void erase (iterator i) |
| 215 | { |
222 | { |
| 216 | erase ((unsigned int )(i - this->begin ())); |
223 | erase ((unsigned int )(i - this->begin ())); |
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224 | } |
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225 | }; |
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226 | |
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227 | template<class T, int T::* index> |
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228 | struct object_vector : std::vector<T *, slice_allocator<T *> > |
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229 | { |
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230 | void insert (T *obj) |
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231 | { |
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232 | assert (!(obj->*index)); |
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233 | push_back (obj); |
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234 | obj->*index = this->size (); |
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235 | } |
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236 | |
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237 | void insert (T &obj) |
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238 | { |
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239 | insert (&obj); |
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240 | } |
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241 | |
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242 | void erase (T *obj) |
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243 | { |
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244 | assert (obj->*index); |
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245 | int pos = obj->*index; |
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246 | obj->*index = 0; |
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247 | |
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248 | if (pos < this->size ()) |
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249 | { |
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250 | (*this)[pos - 1] = (*this)[this->size () - 1]; |
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251 | (*this)[pos - 1]->*index = pos; |
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252 | } |
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253 | |
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254 | this->pop_back (); |
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255 | } |
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256 | |
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257 | void erase (T &obj) |
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258 | { |
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259 | errase (&obj); |
| 217 | } |
260 | } |
| 218 | }; |
261 | }; |
| 219 | |
262 | |
| 220 | template<typename T, typename U> static inline T min (T a, U b) { return a < (T)b ? a : (T)b; } |
263 | template<typename T, typename U> static inline T min (T a, U b) { return a < (T)b ? a : (T)b; } |
| 221 | template<typename T, typename U> static inline T max (T a, U b) { return a > (T)b ? a : (T)b; } |
264 | template<typename T, typename U> static inline T max (T a, U b) { return a > (T)b ? a : (T)b; } |
