7 #include "chise-name.h"
11 chise_ds_open_feature_table (CHISE_DS *ds, const char *feature);
13 int chise_ft_close (CHISE_Feature_Table *table);
17 chise_ds_open_ccs_table (CHISE_DS *ds, const char *ccs);
19 int chise_ccst_close (CHISE_CCS_Table *table);
22 typedef DB CHISE_Attribute_Table;
24 CHISE_Attribute_Table*
25 CHISE_Attribute_Table_open (const unsigned char *db_dir,
26 const char *encoding, const char *feature,
28 u_int32_t accessmask, int modemask);
30 int CHISE_Attribute_Table_close (CHISE_Attribute_Table *db);
32 int chise_attribute_table_get (CHISE_Attribute_Table *db,
33 char *key, CHISE_Value *valdatum);
35 int chise_attribute_table_put (CHISE_Attribute_Table *db,
36 char *key, unsigned char *value);
39 #define xzero(lvalue) ((void) memset (&(lvalue), '\0', sizeof (lvalue)))
42 chise_char_id_parse_c_string (unsigned char *str, size_t len);
45 chise_format_char_id (CHISE_Char_ID cid, unsigned char *dest, size_t len);
51 unsigned char *location;
52 CHISE_NAME_TABLE* feature_names;
53 CHISE_NAME_TABLE* ccs_names;
59 CHISE_DS_open (CHISE_DS_Type type, char *location,
60 DBTYPE subtype, int modemask)
62 CHISE_DS *ds = (CHISE_DS*)malloc (sizeof (CHISE_DS));
63 size_t len = strlen (location);
69 ds->subtype = subtype;
70 ds->modemask = modemask;
71 ds->location = (unsigned char*)malloc (len + 1);
72 if (ds->location == NULL)
77 strcpy (ds->location, location);
79 ds->feature_names = chise_make_name_table ();
80 if (ds->feature_names == NULL)
86 ds->ccs_names = chise_make_name_table ();
87 if (ds->ccs_names == NULL)
89 free (ds->feature_names);
97 CHISE_DS_close (CHISE_DS *ds)
99 if (ds->location != NULL)
101 if (ds->feature_names != NULL)
102 free (ds->feature_names);
103 if (ds->ccs_names != NULL)
104 free (ds->ccs_names);
110 chise_ds_get_feature (CHISE_DS *ds, const unsigned char *feature)
112 CHISE_Feature_Table* ft;
114 ft = chise_name_table_get (ds->feature_names, feature);
118 ft = chise_ds_open_feature_table (ds, feature);
122 if (chise_name_table_put (ds->feature_names, feature, ft))
131 chise_ds_get_ccs (CHISE_DS *ds, const unsigned char *ccs)
135 ct = chise_name_table_get (ds->ccs_names, ccs);
139 ct = chise_ds_open_ccs_table (ds, ccs);
143 if (chise_name_table_put (ds->ccs_names, ccs, ct))
145 chise_ccst_close (ct);
152 struct CHISE_Feature_Table
156 CHISE_Attribute_Table *db;
161 chise_ds_open_feature_table (CHISE_DS *ds, const char *feature)
163 CHISE_Feature_Table* table;
164 size_t len = strlen (feature);
169 table = (CHISE_Feature_Table*)malloc (sizeof (CHISE_Feature_Table));
176 table->name = (unsigned char*)malloc (len + 1);
177 if (table->name == NULL)
182 strcpy (table->name, feature);
187 chise_ft_close (CHISE_Feature_Table *table)
194 if (table->db == NULL)
197 status = CHISE_Attribute_Table_close (table->db);
199 if (table->name == NULL)
211 chise_feature_setup_db (CHISE_Feature feature, int writable)
217 if ((feature->access & DB_CREATE) == 0)
219 if (feature->db != NULL)
221 CHISE_Attribute_Table_close (feature->db);
231 if (feature->db == NULL)
233 CHISE_DS *ds = feature->ds;
236 = CHISE_Attribute_Table_open (ds->location,
237 "system-char-id", feature->name,
238 ds->subtype, access, ds->modemask);
239 if (feature->db == NULL)
241 feature->access = access;
247 chise_char_load_feature_value (CHISE_Char_ID cid,
248 CHISE_Feature_Table *table,
249 CHISE_Value *valdatum)
251 unsigned char key_buf[8];
253 if (chise_feature_setup_db (table, 0))
255 chise_format_char_id (cid, key_buf, 8);
256 return chise_attribute_table_get (table->db, key_buf, valdatum);
260 chise_char_gets_feature_value (CHISE_Char_ID cid,
261 CHISE_Feature_Table *table,
262 unsigned char *buf, size_t size)
264 CHISE_Value valdatum;
265 unsigned char key_buf[8];
268 if (chise_feature_setup_db (table, 0))
270 chise_format_char_id (cid, key_buf, 8);
271 status = chise_attribute_table_get (table->db,
275 if (size < valdatum.size)
277 strncpy (buf, valdatum.data, valdatum.size);
278 buf[valdatum.size] = '\0';
283 chise_char_feature_value_iterate (CHISE_Feature feature,
284 int (*func) (CHISE_Char_ID cid,
285 CHISE_Feature feature,
286 CHISE_Value *valdatum))
288 DBT keydatum, valdatum;
292 if (chise_feature_setup_db (feature, 0))
297 status = feature->db->cursor (feature->db, NULL, &dbcp, 0);
298 for (status = dbcp->c_get (dbcp, &keydatum, &valdatum, DB_FIRST);
300 status = dbcp->c_get (dbcp, &keydatum, &valdatum, DB_NEXT))
302 unsigned char *key_str = (unsigned char *)keydatum.data;
303 int key_len = strnlen (key_str, keydatum.size);
304 CHISE_Char_ID key = chise_char_id_parse_c_string (key_str, key_len);
305 int ret = func (key, feature, &valdatum);
310 dbcp->c_close (dbcp);
315 struct CHISE_CCS_Table
319 CHISE_Attribute_Table *db;
324 chise_ds_open_ccs_table (CHISE_DS *ds, const char *ccs)
326 CHISE_CCS_Table* table;
327 size_t len = strlen (ccs);
332 table = (CHISE_CCS_Table*)malloc (sizeof (CHISE_CCS_Table));
339 table->name = (unsigned char*)malloc (len + 1);
340 if (table->name == NULL)
345 strcpy (table->name, ccs);
350 chise_ccst_close (CHISE_CCS_Table *table)
357 if (table->db == NULL)
360 status = CHISE_Attribute_Table_close (table->db);
362 if (table->name == NULL)
374 chise_ccs_sync (CHISE_CCS ccs)
381 status = CHISE_Attribute_Table_close (ccs->db);
388 chise_ccs_decode (CHISE_CCS ccs, int code_point)
390 CHISE_Value valdatum;
396 CHISE_DS *ds = ccs->ds;
398 ccs->db = CHISE_Attribute_Table_open (ds->location,
399 ccs->name, "system-char-id",
401 DB_RDONLY, ds->modemask);
404 ccs->access = DB_RDONLY;
407 sprintf(key_buf, "%d", code_point);
408 status = chise_attribute_table_get (ccs->db, key_buf, &valdatum);
412 = (unsigned char *)chise_value_data (&valdatum);
413 int len = strnlen (str, chise_value_size (&valdatum));
415 return chise_char_id_parse_c_string (str, len);
421 chise_ccs_set_decoded_char (CHISE_CCS ccs,
422 int code_point, CHISE_Char_ID cid)
424 char key_buf[16], val_buf[8];
426 if ((ccs->access & DB_CREATE) == 0)
430 CHISE_Attribute_Table_close (ccs->db);
437 CHISE_DS *ds = ccs->ds;
440 = CHISE_Attribute_Table_open (ds->location,
441 ccs->name, "system-char-id",
442 ds->subtype, DB_CREATE, ds->modemask);
445 ccs->access = DB_CREATE;
448 sprintf(key_buf, "%d", code_point);
449 chise_format_char_id (cid, val_buf, 8);
450 return chise_attribute_table_put (ccs->db, key_buf, val_buf);
454 CHISE_Attribute_Table*
455 CHISE_Attribute_Table_open (const unsigned char *db_dir,
456 const char *encoding, const char *feature,
458 u_int32_t accessmask, int modemask)
464 char *db_file_name, *sp;
466 status = db_create (&dbase, NULL, 0);
470 len = strlen (db_dir);
471 flen = strlen (feature);
472 size = len + strlen (encoding) + flen * 3 + 4;
473 db_file_name = alloca (size);
474 strcpy (db_file_name, db_dir);
475 if (db_file_name[len - 1] != '/')
477 db_file_name[len++] = '/';
478 db_file_name[len] = '\0';
480 strcat (db_file_name, encoding);
481 strcat (db_file_name, "/");
482 /* strcat (db_file_name, feature); */
483 sp = &db_file_name[strlen (db_file_name)];
484 for (i = 0; i < flen; i++)
488 if ( (c == '/') || (c == '%') )
490 sprintf (sp, "%%%02X", c);
497 status = dbase->open (dbase, db_file_name, NULL,
498 real_subtype, accessmask, modemask);
501 dbase->close (dbase, 0);
508 CHISE_Attribute_Table_close (CHISE_Attribute_Table *db)
519 chise_attribute_table_get (CHISE_Attribute_Table *db,
520 char *key, CHISE_Value *valdatum)
525 /* DB Version 2 requires DBT's to be zeroed before use. */
530 keydatum.size = strlen (key);
532 status = db->get (db, NULL, &keydatum, valdatum, 0);
537 chise_attribute_table_put (CHISE_Attribute_Table *db,
538 char *key, unsigned char *value)
540 DBT keydatum, valdatum;
543 /* DB Version 2 requires DBT's to be zeroed before use. */
548 keydatum.size = strlen (key);
550 valdatum.data = value;
551 valdatum.size = strlen (value);
553 status = db->put (db, NULL, &keydatum, &valdatum, 0);
558 chise_char_id_parse_c_string (unsigned char *str, size_t len)
562 if ( (len >= 2) && (str[i++] == '?') )
564 unsigned char c = str[i++];
581 return c & (0x80 | 0x1F);
615 if (counter + 2 <= len)
619 for (j = 0; j < counter; j++)
620 cid = (cid << 6) | (str[j + i] & 0x3F);
628 chise_format_char_id (CHISE_Char_ID cid, unsigned char *dest, size_t len)
640 else if (cid == '\n')
647 else if (cid == '\r')
654 else if (cid == 0x1C)
663 else if (cid <= 0x1F)
667 dest[i++] = '@' + cid;
671 else if ( (cid == ' ') || (cid == '"') ||
672 (cid == '#') || (cid == '\'') ||
673 (cid == '(') || (cid == ')') ||
674 (cid == ',') || (cid == '.') ||
675 (cid == ';') || (cid == '?') ||
676 (cid == '[') || (cid == '\\') ||
677 (cid == ']') || (cid == '`') )
684 else if (cid <= 0x7E)
690 else if (cid == 0x7F)
698 else if (cid <= 0x9F)
702 dest[i++] = ((cid + '@') >> 6) | 0xC0;
703 dest[i++] = ((cid + '@') & 0x3F) | 0x80;
707 else if (cid <= 0x7FF)
709 dest[i++] = (cid >> 6) | 0xC0;
710 dest[i++] = (cid & 0x3F) | 0x80;
714 else if (cid <= 0xFFFF)
716 dest[i++] = (cid >> 12) | 0xE0;
717 dest[i++]= ((cid >> 6) & 0x3F) | 0x80;
718 dest[i++]= (cid & 0x3F) | 0x80;
722 else if (cid <= 0x1FFFFF)
724 dest[i++]= (cid >> 18) | 0xF0;
725 dest[i++]= ((cid >> 12) & 0x3F) | 0x80;
726 dest[i++]= ((cid >> 6) & 0x3F) | 0x80;
727 dest[i++]= (cid & 0x3F) | 0x80;
731 else if (cid <= 0x3FFFFFF)
733 dest[i++]= (cid >> 24) | 0xF8;
734 dest[i++]= ((cid >> 18) & 0x3F) | 0x80;
735 dest[i++]= ((cid >> 12) & 0x3F) | 0x80;
736 dest[i++]= ((cid >> 6) & 0x3F) | 0x80;
737 dest[i++]= (cid & 0x3F) | 0x80;
743 dest[i++]= (cid >> 30) | 0xFC;
744 dest[i++]= ((cid >> 24) & 0x3F) | 0x80;
745 dest[i++]= ((cid >> 18) & 0x3F) | 0x80;
746 dest[i++]= ((cid >> 12) & 0x3F) | 0x80;
747 dest[i++]= ((cid >> 6) & 0x3F) | 0x80;
748 dest[i++]= (cid & 0x3F) | 0x80;