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c801d85f | 1 | /////////////////////////////////////////////////////////////////////////////// |
ad9835c9 | 2 | // Name: src/common/dynarray.cpp |
c801d85f KB |
3 | // Purpose: implementation of wxBaseArray class |
4 | // Author: Vadim Zeitlin | |
3bfa4402 | 5 | // Modified by: |
c801d85f | 6 | // Created: 12.09.97 |
c801d85f | 7 | // Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> |
65571936 | 8 | // Licence: wxWindows licence |
c801d85f KB |
9 | /////////////////////////////////////////////////////////////////////////////// |
10 | ||
11 | // ============================================================================ | |
12 | // headers | |
13 | // ============================================================================ | |
14 | ||
ad9835c9 | 15 | // For compilers that support precompilation, includes "wx.h". |
3096bd2f | 16 | #include "wx/wxprec.h" |
c801d85f KB |
17 | |
18 | #ifdef __BORLANDC__ | |
ad9835c9 | 19 | #pragma hdrstop |
c801d85f KB |
20 | #endif |
21 | ||
ad9835c9 WS |
22 | #ifndef WX_PRECOMP |
23 | #include "wx/dynarray.h" | |
88a7a4e1 | 24 | #include "wx/intl.h" |
ad9835c9 WS |
25 | #endif //WX_PRECOMP |
26 | ||
c801d85f | 27 | #include <stdlib.h> |
3bfa4402 | 28 | #include <string.h> // for memmove |
c801d85f | 29 | |
01871bf6 | 30 | #if !wxUSE_STD_CONTAINERS |
35d5da67 | 31 | |
acf88ae6 VZ |
32 | // we cast the value to long from which we cast it to void * in IndexForInsert: |
33 | // this can't work if the pointers are not big enough | |
af5b273c | 34 | wxCOMPILE_TIME_ASSERT( sizeof(wxUIntPtr) <= sizeof(void *), |
acf88ae6 VZ |
35 | wxArraySizeOfPtrLessSizeOfLong ); // < 32 symbols |
36 | ||
c801d85f KB |
37 | // ============================================================================ |
38 | // constants | |
39 | // ============================================================================ | |
40 | ||
41 | // size increment = max(50% of current size, ARRAY_MAXSIZE_INCREMENT) | |
42 | #define ARRAY_MAXSIZE_INCREMENT 4096 | |
43 | ||
44 | // ============================================================================ | |
45 | // implementation | |
46 | // ============================================================================ | |
47 | ||
48 | // ---------------------------------------------------------------------------- | |
5a1cad6e | 49 | // wxBaseArray - dynamic array of 'T's |
c801d85f KB |
50 | // ---------------------------------------------------------------------------- |
51 | ||
35d5da67 | 52 | #define _WX_DEFINE_BASEARRAY(T, name) \ |
df5168c4 MB |
53 | /* searches the array for an item (forward or backwards) */ \ |
54 | int name::Index(T lItem, bool bFromEnd) const \ | |
55 | { \ | |
56 | if ( bFromEnd ) { \ | |
57 | if ( size() > 0 ) { \ | |
58 | size_t n = size(); \ | |
59 | do { \ | |
60 | if ( (*this)[--n] == lItem ) \ | |
61 | return n; \ | |
62 | } \ | |
63 | while ( n != 0 ); \ | |
64 | } \ | |
65 | } \ | |
66 | else { \ | |
67 | for( size_t n = 0; n < size(); n++ ) { \ | |
68 | if( (*this)[n] == lItem ) \ | |
69 | return n; \ | |
70 | } \ | |
71 | } \ | |
72 | \ | |
73 | return wxNOT_FOUND; \ | |
74 | } \ | |
75 | \ | |
76 | /* add item assuming the array is sorted with fnCompare function */ \ | |
6992d326 | 77 | size_t name::Add(T lItem, CMPFUNC fnCompare) \ |
df5168c4 | 78 | { \ |
6992d326 MB |
79 | size_t idx = IndexForInsert(lItem, fnCompare); \ |
80 | Insert(lItem, idx); \ | |
81 | return idx; \ | |
df5168c4 MB |
82 | } \ |
83 | \ | |
5a1cad6e GD |
84 | /* ctor */ \ |
85 | name::name() \ | |
86 | { \ | |
87 | m_nSize = \ | |
88 | m_nCount = 0; \ | |
d3b9f782 | 89 | m_pItems = NULL; \ |
5a1cad6e GD |
90 | } \ |
91 | \ | |
92 | /* copy ctor */ \ | |
93 | name::name(const name& src) \ | |
94 | { \ | |
95 | m_nSize = /* not src.m_nSize to save memory */ \ | |
96 | m_nCount = src.m_nCount; \ | |
97 | \ | |
98 | if ( m_nSize != 0 ) { \ | |
99 | m_pItems = new T[m_nSize]; \ | |
100 | /* only copy if allocation succeeded */ \ | |
101 | if ( m_pItems ) { \ | |
102 | memcpy(m_pItems, src.m_pItems, m_nCount*sizeof(T)); \ | |
103 | } \ | |
104 | else { \ | |
105 | m_nSize = 0; \ | |
106 | } \ | |
107 | } \ | |
108 | else \ | |
d3b9f782 | 109 | m_pItems = NULL; \ |
5a1cad6e GD |
110 | } \ |
111 | \ | |
112 | /* assignment operator */ \ | |
113 | name& name::operator=(const name& src) \ | |
114 | { \ | |
115 | wxDELETEA(m_pItems); \ | |
116 | \ | |
117 | m_nSize = /* not src.m_nSize to save memory */ \ | |
118 | m_nCount = src.m_nCount; \ | |
119 | \ | |
120 | if ( m_nSize != 0 ){ \ | |
121 | m_pItems = new T[m_nSize]; \ | |
122 | /* only copy if allocation succeeded */ \ | |
123 | if ( m_pItems ) { \ | |
124 | memcpy(m_pItems, src.m_pItems, m_nCount*sizeof(T)); \ | |
125 | } \ | |
126 | else { \ | |
127 | m_nSize = 0; \ | |
128 | } \ | |
129 | } \ | |
130 | else \ | |
d3b9f782 | 131 | m_pItems = NULL; \ |
5a1cad6e GD |
132 | \ |
133 | return *this; \ | |
134 | } \ | |
135 | \ | |
2abb9d2f VZ |
136 | /* allocate new buffer of the given size and move our data to it */ \ |
137 | bool name::Realloc(size_t nSize) \ | |
138 | { \ | |
139 | T *pNew = new T[nSize]; \ | |
140 | /* only grow if allocation succeeded */ \ | |
141 | if ( !pNew ) \ | |
142 | return false; \ | |
143 | \ | |
144 | m_nSize = nSize; \ | |
145 | /* copy data to new location */ \ | |
146 | memcpy(pNew, m_pItems, m_nCount*sizeof(T)); \ | |
147 | delete [] m_pItems; \ | |
148 | m_pItems = pNew; \ | |
149 | \ | |
150 | return true; \ | |
151 | } \ | |
152 | \ | |
5a1cad6e | 153 | /* grow the array */ \ |
3b0b5f13 | 154 | void name::Grow(size_t nIncrement) \ |
5a1cad6e GD |
155 | { \ |
156 | /* only do it if no more place */ \ | |
2b5f62a0 | 157 | if( (m_nCount == m_nSize) || ((m_nSize - m_nCount) < nIncrement) ) { \ |
5a1cad6e | 158 | if( m_nSize == 0 ) { \ |
a1db4ad4 | 159 | /* was empty, determine initial size */ \ |
7d1214cd PC |
160 | size_t sz = WX_ARRAY_DEFAULT_INITIAL_SIZE; \ |
161 | if (sz < nIncrement) sz = nIncrement; \ | |
a1db4ad4 | 162 | /* allocate some memory */ \ |
7d1214cd | 163 | m_pItems = new T[sz]; \ |
5a1cad6e GD |
164 | /* only grow if allocation succeeded */ \ |
165 | if ( m_pItems ) { \ | |
7d1214cd | 166 | m_nSize = sz; \ |
5a1cad6e GD |
167 | } \ |
168 | } \ | |
169 | else \ | |
170 | { \ | |
3b0b5f13 VZ |
171 | /* add at least 50% but not too much */ \ |
172 | size_t ndefIncrement = m_nSize < WX_ARRAY_DEFAULT_INITIAL_SIZE \ | |
173 | ? WX_ARRAY_DEFAULT_INITIAL_SIZE : m_nSize >> 1; \ | |
174 | if ( ndefIncrement > ARRAY_MAXSIZE_INCREMENT ) \ | |
175 | ndefIncrement = ARRAY_MAXSIZE_INCREMENT; \ | |
176 | if ( nIncrement < ndefIncrement ) \ | |
177 | nIncrement = ndefIncrement; \ | |
2abb9d2f | 178 | Realloc(m_nSize + nIncrement); \ |
5a1cad6e GD |
179 | } \ |
180 | } \ | |
181 | } \ | |
182 | \ | |
2abb9d2f VZ |
183 | /* make sure that the array has at least count elements */ \ |
184 | void name::SetCount(size_t count, T defval) \ | |
185 | { \ | |
186 | if ( m_nSize < count ) \ | |
187 | { \ | |
188 | /* need to realloc memory: don't overallocate it here as if */ \ | |
189 | /* SetCount() is called, it probably means that the caller */ \ | |
190 | /* knows in advance how many elements there will be in the */ \ | |
191 | /* array and so it won't be necessary to realloc it later */ \ | |
192 | if ( !Realloc(count) ) \ | |
193 | { \ | |
194 | /* out of memory -- what can we do? */ \ | |
195 | return; \ | |
196 | } \ | |
197 | } \ | |
198 | \ | |
199 | /* add new elements if we extend the array */ \ | |
200 | while ( m_nCount < count ) \ | |
201 | { \ | |
202 | m_pItems[m_nCount++] = defval; \ | |
203 | } \ | |
204 | } \ | |
205 | \ | |
5a1cad6e GD |
206 | /* dtor */ \ |
207 | name::~name() \ | |
208 | { \ | |
209 | wxDELETEA(m_pItems); \ | |
210 | } \ | |
211 | \ | |
212 | /* clears the list */ \ | |
213 | void name::Clear() \ | |
214 | { \ | |
215 | m_nSize = \ | |
216 | m_nCount = 0; \ | |
217 | \ | |
218 | wxDELETEA(m_pItems); \ | |
219 | } \ | |
220 | \ | |
5a1cad6e GD |
221 | /* minimizes the memory usage by freeing unused memory */ \ |
222 | void name::Shrink() \ | |
223 | { \ | |
224 | /* only do it if we have some memory to free */ \ | |
225 | if( m_nCount < m_nSize ) { \ | |
226 | /* allocates exactly as much memory as we need */ \ | |
227 | T *pNew = new T[m_nCount]; \ | |
228 | /* only shrink if allocation succeeded */ \ | |
229 | if ( pNew ) { \ | |
230 | /* copy data to new location */ \ | |
231 | memcpy(pNew, m_pItems, m_nCount*sizeof(T)); \ | |
232 | delete [] m_pItems; \ | |
233 | m_pItems = pNew; \ | |
79e929e7 VZ |
234 | \ |
235 | /* update the size of the new block */ \ | |
236 | m_nSize = m_nCount; \ | |
5a1cad6e | 237 | } \ |
79e929e7 | 238 | /* else: don't do anything, better keep old memory block! */ \ |
5a1cad6e GD |
239 | } \ |
240 | } \ | |
241 | \ | |
df5168c4 MB |
242 | /* add item at the end */ \ |
243 | void name::Add(T lItem, size_t nInsert) \ | |
5a1cad6e | 244 | { \ |
df5168c4 MB |
245 | if (nInsert == 0) \ |
246 | return; \ | |
247 | Grow(nInsert); \ | |
248 | for (size_t i = 0; i < nInsert; i++) \ | |
249 | m_pItems[m_nCount++] = lItem; \ | |
250 | } \ | |
5a1cad6e | 251 | \ |
df5168c4 MB |
252 | /* add item at the given position */ \ |
253 | void name::Insert(T lItem, size_t nIndex, size_t nInsert) \ | |
254 | { \ | |
255 | wxCHECK_RET( nIndex <= m_nCount, wxT("bad index in wxArray::Insert") ); \ | |
256 | wxCHECK_RET( m_nCount <= m_nCount + nInsert, \ | |
257 | wxT("array size overflow in wxArray::Insert") ); \ | |
258 | \ | |
259 | if (nInsert == 0) \ | |
260 | return; \ | |
261 | Grow(nInsert); \ | |
262 | \ | |
263 | memmove(&m_pItems[nIndex + nInsert], &m_pItems[nIndex], \ | |
264 | (m_nCount - nIndex)*sizeof(T)); \ | |
265 | for (size_t i = 0; i < nInsert; i++) \ | |
266 | m_pItems[nIndex + i] = lItem; \ | |
267 | m_nCount += nInsert; \ | |
5a1cad6e GD |
268 | } \ |
269 | \ | |
270 | /* search for a place to insert item into sorted array (binary search) */ \ | |
271 | size_t name::IndexForInsert(T lItem, CMPFUNC fnCompare) const \ | |
272 | { \ | |
273 | size_t i, \ | |
274 | lo = 0, \ | |
275 | hi = m_nCount; \ | |
276 | int res; \ | |
277 | \ | |
278 | while ( lo < hi ) { \ | |
279 | i = (lo + hi)/2; \ | |
280 | \ | |
af5b273c VZ |
281 | res = (*fnCompare)((const void *)(wxUIntPtr)lItem, \ |
282 | (const void *)(wxUIntPtr)(m_pItems[i])); \ | |
5a1cad6e GD |
283 | if ( res < 0 ) \ |
284 | hi = i; \ | |
285 | else if ( res > 0 ) \ | |
286 | lo = i + 1; \ | |
287 | else { \ | |
288 | lo = i; \ | |
289 | break; \ | |
290 | } \ | |
291 | } \ | |
292 | \ | |
293 | return lo; \ | |
294 | } \ | |
295 | \ | |
296 | /* search for an item in a sorted array (binary search) */ \ | |
297 | int name::Index(T lItem, CMPFUNC fnCompare) const \ | |
298 | { \ | |
299 | size_t n = IndexForInsert(lItem, fnCompare); \ | |
300 | \ | |
bb793b0c | 301 | return (n >= m_nCount || \ |
af5b273c VZ |
302 | (*fnCompare)((const void *)(wxUIntPtr)lItem, \ |
303 | ((const void *)(wxUIntPtr)m_pItems[n]))) \ | |
304 | ? wxNOT_FOUND \ | |
305 | : (int)n; \ | |
5a1cad6e GD |
306 | } \ |
307 | \ | |
5a1cad6e | 308 | /* removes item from array (by index) */ \ |
3b0b5f13 | 309 | void name::RemoveAt(size_t nIndex, size_t nRemove) \ |
5a1cad6e | 310 | { \ |
3b0b5f13 VZ |
311 | wxCHECK_RET( nIndex < m_nCount, wxT("bad index in wxArray::RemoveAt") ); \ |
312 | wxCHECK_RET( nIndex + nRemove <= m_nCount, \ | |
313 | wxT("removing too many elements in wxArray::RemoveAt") ); \ | |
5a1cad6e | 314 | \ |
3b0b5f13 VZ |
315 | memmove(&m_pItems[nIndex], &m_pItems[nIndex + nRemove], \ |
316 | (m_nCount - nIndex - nRemove)*sizeof(T)); \ | |
317 | m_nCount -= nRemove; \ | |
5a1cad6e GD |
318 | } \ |
319 | \ | |
320 | /* removes item from array (by value) */ \ | |
321 | void name::Remove(T lItem) \ | |
322 | { \ | |
323 | int iIndex = Index(lItem); \ | |
324 | \ | |
325 | wxCHECK_RET( iIndex != wxNOT_FOUND, \ | |
326 | wxT("removing inexistent item in wxArray::Remove") ); \ | |
327 | \ | |
328 | RemoveAt((size_t)iIndex); \ | |
329 | } \ | |
330 | \ | |
331 | /* sort array elements using passed comparaison function */ \ | |
332 | void name::Sort(CMPFUNC fCmp) \ | |
333 | { \ | |
334 | qsort(m_pItems, m_nCount, sizeof(T), fCmp); \ | |
360b63dd MB |
335 | } \ |
336 | \ | |
337 | void name::assign(const_iterator first, const_iterator last) \ | |
338 | { \ | |
339 | clear(); \ | |
340 | reserve(last - first); \ | |
341 | for(; first != last; ++first) \ | |
342 | push_back(*first); \ | |
343 | } \ | |
344 | \ | |
345 | void name::assign(size_type n, const_reference v) \ | |
346 | { \ | |
347 | clear(); \ | |
348 | reserve(n); \ | |
349 | for( size_type i = 0; i < n; ++i ) \ | |
350 | push_back(v); \ | |
351 | } \ | |
352 | \ | |
353 | void name::insert(iterator it, const_iterator first, const_iterator last) \ | |
354 | { \ | |
355 | size_t nInsert = last - first, nIndex = it - begin(); \ | |
356 | if (nInsert == 0) \ | |
357 | return; \ | |
358 | Grow(nInsert); \ | |
359 | \ | |
9c5c5c9c | 360 | /* old iterator could have been invalidated by Grow(). */ \ |
bd5754f2 | 361 | it = begin() + nIndex; \ |
9c5c5c9c | 362 | \ |
360b63dd MB |
363 | memmove(&m_pItems[nIndex + nInsert], &m_pItems[nIndex], \ |
364 | (m_nCount - nIndex)*sizeof(T)); \ | |
365 | for (size_t i = 0; i < nInsert; ++i, ++it, ++first) \ | |
366 | *it = *first; \ | |
367 | m_nCount += nInsert; \ | |
c801d85f KB |
368 | } |
369 | ||
17a1ebd1 VZ |
370 | #ifdef __INTELC__ |
371 | #pragma warning(push) | |
372 | #pragma warning(disable: 1684) | |
373 | #pragma warning(disable: 1572) | |
374 | #endif | |
375 | ||
f1322419 | 376 | _WX_DEFINE_BASEARRAY(const void *, wxBaseArrayPtrVoid) |
1ffc8d7a | 377 | _WX_DEFINE_BASEARRAY(char, wxBaseArrayChar) |
f1322419 VZ |
378 | _WX_DEFINE_BASEARRAY(short, wxBaseArrayShort) |
379 | _WX_DEFINE_BASEARRAY(int, wxBaseArrayInt) | |
380 | _WX_DEFINE_BASEARRAY(long, wxBaseArrayLong) | |
e55e9486 | 381 | _WX_DEFINE_BASEARRAY(size_t, wxBaseArraySizeT) |
360b63dd | 382 | _WX_DEFINE_BASEARRAY(double, wxBaseArrayDouble) |
c801d85f | 383 | |
17a1ebd1 VZ |
384 | #ifdef __INTELC__ |
385 | #pragma warning(pop) | |
386 | #endif | |
387 | ||
01871bf6 | 388 | #else // wxUSE_STD_CONTAINERS |
35d5da67 | 389 | |
df5168c4 MB |
390 | #include "wx/arrstr.h" |
391 | ||
2da2f941 MB |
392 | #include "wx/beforestd.h" |
393 | #include <functional> | |
394 | #include "wx/afterstd.h" | |
395 | ||
48e4ba4f VZ |
396 | // some compilers (Sun CC being the only known example) distinguish between |
397 | // extern "C" functions and the functions with C++ linkage and ptr_fun and | |
398 | // wxStringCompareLess can't take wxStrcmp/wxStricmp directly as arguments in | |
399 | // this case, we need the wrappers below to make this work | |
86501081 | 400 | struct wxStringCmp |
48e4ba4f | 401 | { |
86501081 VS |
402 | typedef wxString first_argument_type; |
403 | typedef wxString second_argument_type; | |
404 | typedef int result_type; | |
405 | ||
406 | int operator()(const wxString& s1, const wxString& s2) const | |
407 | { | |
408 | return s1.compare(s2); | |
409 | } | |
410 | }; | |
48e4ba4f | 411 | |
86501081 | 412 | struct wxStringCmpNoCase |
48e4ba4f | 413 | { |
86501081 VS |
414 | typedef wxString first_argument_type; |
415 | typedef wxString second_argument_type; | |
416 | typedef int result_type; | |
48e4ba4f | 417 | |
86501081 VS |
418 | int operator()(const wxString& s1, const wxString& s2) const |
419 | { | |
420 | return s1.CmpNoCase(s2); | |
421 | } | |
422 | }; | |
423 | ||
424 | int wxArrayString::Index(const wxString& str, bool bCase, bool WXUNUSED(bFromEnd)) const | |
2da2f941 MB |
425 | { |
426 | wxArrayString::const_iterator it; | |
427 | ||
428 | if (bCase) | |
48e4ba4f | 429 | { |
2da2f941 | 430 | it = std::find_if(begin(), end(), |
48e4ba4f VZ |
431 | std::not1( |
432 | std::bind2nd( | |
86501081 | 433 | wxStringCmp(), str))); |
48e4ba4f VZ |
434 | } |
435 | else // !bCase | |
436 | { | |
2da2f941 | 437 | it = std::find_if(begin(), end(), |
48e4ba4f VZ |
438 | std::not1( |
439 | std::bind2nd( | |
86501081 | 440 | wxStringCmpNoCase(), str))); |
48e4ba4f | 441 | } |
2da2f941 MB |
442 | |
443 | return it == end() ? wxNOT_FOUND : it - begin(); | |
444 | } | |
445 | ||
4e75b65f | 446 | template<class F> |
2da2f941 MB |
447 | class wxStringCompareLess |
448 | { | |
449 | public: | |
4e75b65f | 450 | wxStringCompareLess(F f) : m_f(f) { } |
4e75b65f MB |
451 | bool operator()(const wxString& s1, const wxString& s2) |
452 | { return m_f(s1, s2) < 0; } | |
2da2f941 | 453 | private: |
4e75b65f | 454 | F m_f; |
2da2f941 MB |
455 | }; |
456 | ||
4e75b65f MB |
457 | template<class F> |
458 | wxStringCompareLess<F> wxStringCompare(F f) | |
459 | { | |
460 | return wxStringCompareLess<F>(f); | |
461 | } | |
462 | ||
463 | void wxArrayString::Sort(CompareFunction function) | |
464 | { | |
465 | std::sort(begin(), end(), wxStringCompare(function)); | |
466 | } | |
467 | ||
468 | void wxArrayString::Sort(bool reverseOrder) | |
469 | { | |
470 | if (reverseOrder) | |
471 | { | |
472 | std::sort(begin(), end(), std::greater<wxString>()); | |
473 | } | |
474 | else | |
475 | { | |
476 | std::sort(begin(), end()); | |
477 | } | |
478 | } | |
479 | ||
dc9934d4 VZ |
480 | int wxSortedArrayString::Index(const wxString& str, |
481 | bool WXUNUSED_UNLESS_DEBUG(bCase), | |
482 | bool WXUNUSED_UNLESS_DEBUG(bFromEnd)) const | |
2da2f941 | 483 | { |
dc9934d4 VZ |
484 | wxASSERT_MSG( bCase && !bFromEnd, |
485 | "search parameters ignored for sorted array" ); | |
2da2f941 | 486 | |
dc9934d4 VZ |
487 | wxSortedArrayString::const_iterator |
488 | it = std::lower_bound(begin(), end(), str, wxStringCompare(wxStringCmp())); | |
2da2f941 | 489 | |
dc9934d4 | 490 | if ( it == end() || str.Cmp(*it) != 0 ) |
2da2f941 | 491 | return wxNOT_FOUND; |
e11d2abe | 492 | |
2da2f941 MB |
493 | return it - begin(); |
494 | } | |
df5168c4 | 495 | |
01871bf6 | 496 | #endif // !wxUSE_STD_CONTAINERS/wxUSE_STD_CONTAINERS |