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-rw-r--r--libraries/eet/src/lib/eet_dictionary.c439
1 files changed, 439 insertions, 0 deletions
diff --git a/libraries/eet/src/lib/eet_dictionary.c b/libraries/eet/src/lib/eet_dictionary.c
new file mode 100644
index 0000000..60d0ec1
--- /dev/null
+++ b/libraries/eet/src/lib/eet_dictionary.c
@@ -0,0 +1,439 @@
1#ifdef HAVE_CONFIG_H
2# include <config.h>
3#endif /* ifdef HAVE_CONFIG_H */
4
5#include <stdio.h>
6#include <string.h>
7#include <math.h>
8
9#include <Eina.h>
10
11#include "Eet.h"
12#include "Eet_private.h"
13
14Eet_Dictionary *
15eet_dictionary_add(void)
16{
17 Eet_Dictionary *new;
18
19 new = calloc(1, sizeof (Eet_Dictionary));
20 if (!new)
21 return NULL;
22
23 memset(new->hash, -1, sizeof (int) * 256);
24
25 return new;
26} /* eet_dictionary_add */
27
28void
29eet_dictionary_free(Eet_Dictionary *ed)
30{
31 if (ed)
32 {
33 int i;
34
35 for (i = 0; i < ed->count; ++i)
36 if (ed->all[i].allocated)
37 eina_stringshare_del(ed->all[i].str);
38
39 if (ed->all)
40 free(ed->all);
41
42 if (ed->converts) eina_hash_free(ed->converts);
43
44 free(ed);
45 }
46} /* eet_dictionary_free */
47
48static int
49_eet_dictionary_lookup(Eet_Dictionary *ed,
50 const char *string,
51 int len,
52 int hash)
53{
54 Eina_Bool found = EINA_FALSE;
55 int prev = -1;
56 int current;
57
58 current = ed->hash[hash];
59
60 while (current != -1)
61 {
62 if (ed->all[current].len == len)
63 {
64 if (ed->all[current].str &&
65 (ed->all[current].str == string || strcmp(ed->all[current].str, string) == 0))
66 {
67 found = EINA_TRUE;
68 break;
69 }
70 }
71
72 prev = current;
73 current = ed->all[current].next;
74 }
75
76 if (current == -1 && found)
77 return prev;
78
79 return current;
80} /* _eet_dictionary_lookup */
81
82int
83eet_dictionary_string_add(Eet_Dictionary *ed,
84 const char *string)
85{
86 Eet_String *current;
87 const char *str;
88 int hash;
89 int idx;
90 int len;
91
92 if (!ed)
93 return -1;
94
95 hash = _eet_hash_gen(string, 8);
96 len = strlen(string) + 1;
97
98 idx = _eet_dictionary_lookup(ed, string, len, hash);
99
100 if (idx != -1)
101 {
102 if (ed->all[idx].str && (ed->all[idx].str == string || strcmp(ed->all[idx].str, string) == 0))
103 return idx;
104 }
105
106 if (ed->total == ed->count)
107 {
108 Eet_String *new;
109 int total;
110
111 total = ed->total + 8;
112
113 new = realloc(ed->all, sizeof (Eet_String) * total);
114 if (!new)
115 return -1;
116
117 ed->all = new;
118 ed->total = total;
119 }
120
121 str = eina_stringshare_add(string);
122 if (!str)
123 return -1;
124
125 current = ed->all + ed->count;
126
127 current->allocated = EINA_TRUE;
128
129 current->hash = hash;
130
131 current->str = str;
132 current->len = len;
133
134 if (idx == -1)
135 {
136 current->next = ed->hash[hash];
137 current->prev = -1;
138 ed->hash[hash] = ed->count;
139 }
140 else
141 {
142 current->next = idx;
143 current->prev = ed->all[idx].prev;
144
145 if (current->next != -1)
146 ed->all[current->next].prev = ed->count;
147
148 if (current->prev != -1)
149 ed->all[current->prev].next = ed->count;
150 else
151 ed->hash[hash] = ed->count;
152 }
153
154 return ed->count++;
155} /* eet_dictionary_string_add */
156
157int
158eet_dictionary_string_get_size(const Eet_Dictionary *ed,
159 int idx)
160{
161 if (!ed)
162 return 0;
163
164 if (idx < 0)
165 return 0;
166
167 if (idx < ed->count)
168 return ed->all[idx].len;
169
170 return 0;
171} /* eet_dictionary_string_get_size */
172
173int
174eet_dictionary_string_get_hash(const Eet_Dictionary *ed,
175 int idx)
176{
177 if (!ed)
178 return -1;
179
180 if (idx < 0)
181 return -1;
182
183 if (idx < ed->count)
184 return ed->all[idx].hash;
185
186 return -1;
187} /* eet_dictionary_string_get_hash */
188
189const char *
190eet_dictionary_string_get_char(const Eet_Dictionary *ed,
191 int idx)
192{
193 if (!ed)
194 return NULL;
195
196 if (idx < 0)
197 return NULL;
198
199 if (idx < ed->count)
200 {
201#ifdef _WIN32
202 /* Windows file system could change the mmaped file when replacing a file. So we need to copy all string in memory to avoid bugs. */
203 if (!ed->all[idx].allocated)
204 {
205 ed->all[idx].str = eina_stringshare_add(ed->all[idx].str);
206 ed->all[idx].allocated = EINA_TRUE;
207 }
208#endif /* ifdef _WIN32 */
209 return ed->all[idx].str;
210 }
211
212 return NULL;
213} /* eet_dictionary_string_get_char */
214
215static inline Eina_Bool
216_eet_dictionary_string_get_me_cache(const char *s,
217 int len,
218 int *mantisse,
219 int *exponent)
220{
221 if ((len == 6) && (s[0] == '0') && (s[1] == 'x') && (s[3] == 'p'))
222 {
223 *mantisse = (s[2] >= 'a') ? (s[2] - 'a' + 10) : (s[2] - '0');
224 *exponent = (s[5] - '0');
225
226 return EINA_TRUE;
227 }
228
229 return EINA_FALSE;
230} /* _eet_dictionary_string_get_me_cache */
231
232static inline Eina_Bool
233_eet_dictionary_string_get_float_cache(const char *s,
234 int len,
235 float *result)
236{
237 int mantisse;
238 int exponent;
239
240 if (_eet_dictionary_string_get_me_cache(s, len, &mantisse, &exponent))
241 {
242 if (s[4] == '+')
243 *result = (float)(mantisse << exponent);
244 else
245 *result = (float)mantisse / (float)(1 << exponent);
246
247 return EINA_TRUE;
248 }
249
250 return EINA_FALSE;
251} /* _eet_dictionary_string_get_float_cache */
252
253static inline Eina_Bool
254_eet_dictionary_string_get_double_cache(const char *s,
255 int len,
256 double *result)
257{
258 int mantisse;
259 int exponent;
260
261 if (_eet_dictionary_string_get_me_cache(s, len, &mantisse, &exponent))
262 {
263 if (s[4] == '+')
264 *result = (double)(mantisse << exponent);
265 else
266 *result = (double)mantisse / (float)(1 << exponent);
267
268 return EINA_TRUE;
269 }
270
271 return EINA_FALSE;
272} /* _eet_dictionary_string_get_double_cache */
273
274static inline Eina_Bool
275_eet_dictionary_test(const Eet_Dictionary *ed,
276 int idx,
277 void *result)
278{
279 if (!result)
280 return EINA_FALSE;
281
282 if (!ed)
283 return EINA_FALSE;
284
285 if (idx < 0)
286 return EINA_FALSE;
287
288 if (!(idx < ed->count))
289 return EINA_FALSE;
290
291 return EINA_TRUE;
292} /* _eet_dictionary_test */
293
294static Eet_Convert *
295eet_dictionary_convert_get(const Eet_Dictionary *ed,
296 int idx,
297 const char **str)
298{
299 Eet_Convert *result;
300
301 *str = ed->all[idx].str;
302
303 if (!ed->converts)
304 {
305 ((Eet_Dictionary *)ed)->converts = eina_hash_int32_new(free);
306
307 goto add_convert;
308 }
309
310 result = eina_hash_find(ed->converts, &idx);
311 if (result) return result;
312
313add_convert:
314 result = calloc(1, sizeof (Eet_Convert));
315
316 eina_hash_add(ed->converts, &idx, result);
317 return result;
318}
319
320Eina_Bool
321eet_dictionary_string_get_float(const Eet_Dictionary *ed,
322 int idx,
323 float *result)
324{
325 Eet_Convert *convert;
326 const char *str;
327
328 if (!_eet_dictionary_test(ed, idx, result))
329 return EINA_FALSE;
330
331 convert = eet_dictionary_convert_get(ed, idx, &str);
332 if (!convert) return EINA_FALSE;
333
334 if (!(convert->type & EET_D_FLOAT))
335 {
336 if (!_eet_dictionary_string_get_float_cache(str, ed->all[idx].len,
337 &convert->f))
338 {
339 long long mantisse = 0;
340 long exponent = 0;
341
342 if (eina_convert_atod(str, ed->all[idx].len, &mantisse,
343 &exponent) == EINA_FALSE)
344 return EINA_FALSE;
345
346 convert->f = ldexpf((float)mantisse, exponent);
347 }
348
349 convert->type |= EET_D_FLOAT;
350 }
351
352 *result = convert->f;
353 return EINA_TRUE;
354} /* eet_dictionary_string_get_float */
355
356Eina_Bool
357eet_dictionary_string_get_double(const Eet_Dictionary *ed,
358 int idx,
359 double *result)
360{
361 Eet_Convert *convert;
362 const char *str;
363
364 if (!_eet_dictionary_test(ed, idx, result))
365 return EINA_FALSE;
366
367 convert = eet_dictionary_convert_get(ed, idx, &str);
368 if (!convert) return EINA_FALSE;
369
370 if (!(convert->type & EET_D_DOUBLE))
371 {
372 if (!_eet_dictionary_string_get_double_cache(str, ed->all[idx].len,
373 &convert->d))
374 {
375 long long mantisse = 0;
376 long exponent = 0;
377
378 if (eina_convert_atod(str, ed->all[idx].len, &mantisse,
379 &exponent) == EINA_FALSE)
380 return EINA_FALSE;
381
382 convert->d = ldexp((double)mantisse, exponent);
383 }
384
385 convert->type |= EET_D_DOUBLE;
386 }
387
388 *result = convert->d;
389 return EINA_TRUE;
390} /* eet_dictionary_string_get_double */
391
392Eina_Bool
393eet_dictionary_string_get_fp(const Eet_Dictionary *ed,
394 int idx,
395 Eina_F32p32 *result)
396{
397 Eet_Convert *convert;
398 const char *str;
399
400 if (!_eet_dictionary_test(ed, idx, result))
401 return EINA_FALSE;
402
403 convert = eet_dictionary_convert_get(ed, idx, &str);
404 if (!convert) return EINA_FALSE;
405
406 if (!(convert->type & EET_D_FIXED_POINT))
407 {
408 Eina_F32p32 fp;
409
410 if (!eina_convert_atofp(str, ed->all[idx].len, &fp))
411 return EINA_FALSE;
412
413 convert->fp = fp;
414 convert->type |= EET_D_FIXED_POINT;
415 }
416
417 *result = convert->fp;
418 return EINA_TRUE;
419} /* eet_dictionary_string_get_fp */
420
421EAPI int
422eet_dictionary_string_check(Eet_Dictionary *ed,
423 const char *string)
424{
425 int i;
426
427 if ((!ed) || (!string))
428 return 0;
429
430 if ((ed->start <= string) && (string < ed->end))
431 return 1;
432
433 for (i = 0; i < ed->count; ++i)
434 if ((ed->all[i].allocated) && ed->all[i].str == string)
435 return 1;
436
437 return 0;
438} /* eet_dictionary_string_check */
439