eSpeak NG is an open source speech synthesizer that supports more than hundred languages and accents.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

dictionary.cpp 87KB

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  1. /***************************************************************************
  2. * Copyright (C) 2005 to 2013 by Jonathan Duddington *
  3. * email: [email protected] *
  4. * *
  5. * This program is free software; you can redistribute it and/or modify *
  6. * it under the terms of the GNU General Public License as published by *
  7. * the Free Software Foundation; either version 3 of the License, or *
  8. * (at your option) any later version. *
  9. * *
  10. * This program is distributed in the hope that it will be useful, *
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of *
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
  13. * GNU General Public License for more details. *
  14. * *
  15. * You should have received a copy of the GNU General Public License *
  16. * along with this program; if not, write see: *
  17. * <http://www.gnu.org/licenses/>. *
  18. ***************************************************************************/
  19. #include "StdAfx.h"
  20. #include <stdio.h>
  21. #include <ctype.h>
  22. #include <stdlib.h>
  23. #include <string.h>
  24. #include <wctype.h>
  25. #include <wchar.h>
  26. #include "speak_lib.h"
  27. #include "speech.h"
  28. #include "phoneme.h"
  29. #include "synthesize.h"
  30. #include "translate.h"
  31. int dictionary_skipwords;
  32. char dictionary_name[40];
  33. extern void print_dictionary_flags(unsigned int *flags, char *buf, int buf_len);
  34. extern char *DecodeRule(const char *group_chars, int group_length, char *rule, int control);
  35. // accented characters which indicate (in some languages) the start of a separate syllable
  36. //static const unsigned short diereses_list[7] = {L'ä',L'ë',L'ï',L'ö',L'ü',L'ÿ',0};
  37. static const unsigned short diereses_list[7] = {0xe4,0xeb,0xef,0xf6,0xfc,0xff,0};
  38. // convert characters to an approximate 7 bit ascii equivalent
  39. // used for checking for vowels (up to 0x259=schwa)
  40. #define N_REMOVE_ACCENT 0x25e
  41. static unsigned char remove_accent[N_REMOVE_ACCENT] = {
  42. 'a','a','a','a','a','a','a','c','e','e','e','e','i','i','i','i', // 0c0
  43. 'd','n','o','o','o','o','o', 0, 'o','u','u','u','u','y','t','s', // 0d0
  44. 'a','a','a','a','a','a','a','c','e','e','e','e','i','i','i','i', // 0e0
  45. 'd','n','o','o','o','o','o', 0 ,'o','u','u','u','u','y','t','y', // 0f0
  46. 'a','a','a','a','a','a','c','c','c','c','c','c','c','c','d','d', // 100
  47. 'd','d','e','e','e','e','e','e','e','e','e','e','g','g','g','g', // 110
  48. 'g','g','g','g','h','h','h','h','i','i','i','i','i','i','i','i', // 120
  49. 'i','i','i','i','j','j','k','k','k','l','l','l','l','l','l','l', // 130
  50. 'l','l','l','n','n','n','n','n','n','n','n','n','o','o','o','o', // 140
  51. 'o','o','o','o','r','r','r','r','r','r','s','s','s','s','s','s', // 150
  52. 's','s','t','t','t','t','t','t','u','u','u','u','u','u','u','u', // 160
  53. 'u','u','u','u','w','w','y','y','y','z','z','z','z','z','z','s', // 170
  54. 'b','b','b','b', 0, 0, 'o','c','c','d','d','d','d','d','e','e', // 180
  55. 'e','f','f','g','g','h','i','i','k','k','l','l','m','n','n','o', // 190
  56. 'o','o','o','o','p','p','y', 0, 0, 's','s','t','t','t','t','u', // 1a0
  57. 'u','u','v','y','y','z','z','z','z','z','z','z', 0, 0, 0, 'w', // 1b0
  58. 't','t','t','k','d','d','d','l','l','l','n','n','n','a','a','i', // 1c0
  59. 'i','o','o','u','u','u','u','u','u','u','u','u','u','e','a','a', // 1d0
  60. 'a','a','a','a','g','g','g','g','k','k','o','o','o','o','z','z', // 1e0
  61. 'j','d','d','d','g','g','w','w','n','n','a','a','a','a','o','o', // 1f0
  62. 'a','a','a','a','e','e','e','e','i','i','i','i','o','o','o','o', // 200
  63. 'r','r','r','r','u','u','u','u','s','s','t','t','y','y','h','h', // 210
  64. 'n','d','o','o','z','z','a','a','e','e','o','o','o','o','o','o', // 220
  65. 'o','o','y','y','l','n','t','j','d','q','a','c','c','l','t','s', // 230
  66. 'z', 0, 0, 'b','u','v','e','e','j','j','q','q','r','r','y','y', // 240
  67. 'a','a','a','b','o','c','d','d','e','e','e','e','e','e'
  68. };
  69. void strncpy0(char *to,const char *from, int size)
  70. {//===================================================
  71. // strcpy with limit, ensures a zero terminator
  72. strncpy(to,from,size);
  73. to[size-1] = 0;
  74. }
  75. int Reverse4Bytes(int word)
  76. {//==========================
  77. // reverse the order of bytes from little-endian to big-endian
  78. #ifdef ARCH_BIG
  79. int ix;
  80. int word2 = 0;
  81. for(ix=0; ix<=24; ix+=8)
  82. {
  83. word2 = word2 << 8;
  84. word2 |= (word >> ix) & 0xff;
  85. }
  86. return(word2);
  87. #else
  88. return(word);
  89. #endif
  90. }
  91. int LookupMnem(MNEM_TAB *table, const char *string)
  92. {//==================================================
  93. while(table->mnem != NULL)
  94. {
  95. if(strcmp(string,table->mnem)==0)
  96. return(table->value);
  97. table++;
  98. }
  99. return(table->value);
  100. }
  101. //=============================================================================================
  102. // Read pronunciation rules and pronunciation lookup dictionary
  103. //
  104. //=============================================================================================
  105. static void InitGroups(Translator *tr)
  106. {//===================================
  107. // Called after dictionary 1 is loaded, to set up table of entry points for translation rule chains
  108. // for single-letters and two-letter combinations
  109. int ix;
  110. char *p;
  111. char *p_name;
  112. unsigned int *pw;
  113. unsigned char c, c2;
  114. int len;
  115. tr->n_groups2 = 0;
  116. for(ix=0; ix<256; ix++)
  117. {
  118. tr->groups1[ix]=NULL;
  119. tr->groups2_count[ix]=0;
  120. tr->groups2_start[ix]=255; // indicates "not set"
  121. }
  122. memset(tr->letterGroups,0,sizeof(tr->letterGroups));
  123. memset(tr->groups3,0,sizeof(tr->groups3));
  124. p = tr->data_dictrules;
  125. while(*p != 0)
  126. {
  127. if(*p != RULE_GROUP_START)
  128. {
  129. fprintf(stderr,"Bad rules data in '%s_dict' at 0x%x\n",dictionary_name,(unsigned int)(p - tr->data_dictrules));
  130. break;
  131. }
  132. p++;
  133. if(p[0] == RULE_REPLACEMENTS)
  134. {
  135. pw = (unsigned int *)(((long64)p+4) & ~3); // advance to next word boundary
  136. tr->langopts.replace_chars = pw;
  137. while(pw[0] != 0)
  138. {
  139. pw += 2; // find the end of the replacement list, each entry is 2 words.
  140. }
  141. p = (char *)(pw+1);
  142. #ifdef ARCH_BIG
  143. pw = (unsigned int *)(tr->langopts.replace_chars);
  144. while(*pw != 0)
  145. {
  146. *pw = Reverse4Bytes(*pw);
  147. pw++;
  148. *pw = Reverse4Bytes(*pw);
  149. pw++;
  150. }
  151. #endif
  152. continue;
  153. }
  154. if(p[0] == RULE_LETTERGP2)
  155. {
  156. ix = p[1] - 'A';
  157. p += 2;
  158. if((ix >= 0) && (ix < N_LETTER_GROUPS))
  159. {
  160. tr->letterGroups[ix] = p;
  161. }
  162. }
  163. else
  164. {
  165. len = strlen(p);
  166. p_name = p;
  167. c = p_name[0];
  168. c2 = p_name[1];
  169. p += (len+1);
  170. if(len == 1)
  171. {
  172. tr->groups1[c] = p;
  173. }
  174. else if(len == 0)
  175. {
  176. tr->groups1[0] = p;
  177. }
  178. else if(c == 1)
  179. {
  180. // index by offset from letter base
  181. tr->groups3[c2 - 1] = p;
  182. }
  183. else
  184. {
  185. if(tr->groups2_start[c] == 255)
  186. tr->groups2_start[c] = tr->n_groups2;
  187. tr->groups2_count[c]++;
  188. tr->groups2[tr->n_groups2] = p;
  189. tr->groups2_name[tr->n_groups2++] = (c + (c2 << 8));
  190. }
  191. }
  192. // skip over all the rules in this group
  193. while(*p != RULE_GROUP_END)
  194. {
  195. p += (strlen(p) + 1);
  196. }
  197. p++;
  198. }
  199. } // end of InitGroups
  200. int LoadDictionary(Translator *tr, const char *name, int no_error)
  201. {//===============================================================
  202. int hash;
  203. char *p;
  204. int *pw;
  205. int length;
  206. FILE *f;
  207. unsigned int size;
  208. char fname[sizeof(path_home)+20];
  209. strcpy(dictionary_name,name); // currently loaded dictionary name
  210. strcpy(tr->dictionary_name, name);
  211. // Load a pronunciation data file into memory
  212. // bytes 0-3: offset to rules data
  213. // bytes 4-7: number of hash table entries
  214. sprintf(fname,"%s%c%s_dict",path_home,PATHSEP,name);
  215. size = GetFileLength(fname);
  216. if(tr->data_dictlist != NULL)
  217. {
  218. Free(tr->data_dictlist);
  219. tr->data_dictlist = NULL;
  220. }
  221. f = fopen(fname,"rb");
  222. if((f == NULL) || (size <= 0))
  223. {
  224. if(no_error == 0)
  225. {
  226. fprintf(stderr,"Can't read dictionary file: '%s'\n",fname);
  227. }
  228. return(1);
  229. }
  230. tr->data_dictlist = Alloc(size);
  231. size = fread(tr->data_dictlist,1,size,f);
  232. fclose(f);
  233. pw = (int *)(tr->data_dictlist);
  234. length = Reverse4Bytes(pw[1]);
  235. if(size <= (N_HASH_DICT + sizeof(int)*2))
  236. {
  237. fprintf(stderr,"Empty _dict file: '%s\n",fname);
  238. return(2);
  239. }
  240. if((Reverse4Bytes(pw[0]) != N_HASH_DICT) ||
  241. (length <= 0) || (length > 0x8000000))
  242. {
  243. fprintf(stderr,"Bad data: '%s' (%x length=%x)\n",fname,Reverse4Bytes(pw[0]),length);
  244. return(2);
  245. }
  246. tr->data_dictrules = &(tr->data_dictlist[length]);
  247. // set up indices into data_dictrules
  248. InitGroups(tr);
  249. // set up hash table for data_dictlist
  250. p = &(tr->data_dictlist[8]);
  251. for(hash=0; hash<N_HASH_DICT; hash++)
  252. {
  253. tr->dict_hashtab[hash] = p;
  254. while((length = *p) != 0)
  255. {
  256. p += length;
  257. }
  258. p++; // skip over the zero which terminates the list for this hash value
  259. }
  260. if((tr->dict_min_size > 0) && (size < (unsigned int)tr->dict_min_size))
  261. {
  262. fprintf(stderr, "Full dictionary is not installed for '%s'\n", name);
  263. }
  264. return(0);
  265. } // end of LoadDictionary
  266. int HashDictionary(const char *string)
  267. //====================================
  268. /* Generate a hash code from the specified string
  269. This is used to access the dictionary_2 word-lookup dictionary
  270. */
  271. {
  272. int c;
  273. int chars=0;
  274. int hash=0;
  275. while((c = (*string++ & 0xff)) != 0)
  276. {
  277. hash = hash * 8 + c;
  278. hash = (hash & 0x3ff) ^ (hash >> 8); /* exclusive or */
  279. chars++;
  280. }
  281. return((hash+chars) & 0x3ff); // a 10 bit hash code
  282. } // end of HashDictionary
  283. //=============================================================================================
  284. // Translate between internal representation of phonemes and a mnemonic form for display
  285. //
  286. //=============================================================================================
  287. const char *EncodePhonemes(const char *p, char *outptr, unsigned char *bad_phoneme)
  288. /***************************************************************************/
  289. /* Translate a phoneme string from ascii mnemonics to internal phoneme numbers,
  290. from 'p' up to next blank .
  291. Returns advanced 'p'
  292. outptr contains encoded phonemes, unrecognized phoneme stops the encoding
  293. bad_phoneme must point to char array of length 2 of more
  294. */
  295. {
  296. int ix;
  297. unsigned char c;
  298. int count; /* num. of matching characters */
  299. int max; /* highest num. of matching found so far */
  300. int max_ph; /* corresponding phoneme with highest matching */
  301. int consumed;
  302. unsigned int mnemonic_word;
  303. if(bad_phoneme != NULL)
  304. bad_phoneme[0] = 0;
  305. // skip initial blanks
  306. while(isspace(*p))
  307. {
  308. p++;
  309. }
  310. while(((c = *p) != 0) && !isspace(c))
  311. {
  312. consumed = 0;
  313. switch(c)
  314. {
  315. case '|':
  316. // used to separate phoneme mnemonics if needed, to prevent characters being treated
  317. // as a multi-letter mnemonic
  318. if((c = p[1]) == '|')
  319. {
  320. // treat double || as a word-break symbol, drop through
  321. // to the default case with c = '|'
  322. }
  323. else
  324. {
  325. p++;
  326. break;
  327. }
  328. default:
  329. // lookup the phoneme mnemonic, find the phoneme with the highest number of
  330. // matching characters
  331. max= -1;
  332. max_ph= 0;
  333. for(ix=1; ix<n_phoneme_tab; ix++)
  334. {
  335. if(phoneme_tab[ix] == NULL)
  336. continue;
  337. if(phoneme_tab[ix]->type == phINVALID)
  338. continue; // this phoneme is not defined for this language
  339. count = 0;
  340. mnemonic_word = phoneme_tab[ix]->mnemonic;
  341. while(((c = p[count]) > ' ') && (count < 4) &&
  342. (c == ((mnemonic_word >> (count*8)) & 0xff)))
  343. count++;
  344. if((count > max) &&
  345. ((count == 4) || (((mnemonic_word >> (count*8)) & 0xff)==0)))
  346. {
  347. max = count;
  348. max_ph = phoneme_tab[ix]->code;
  349. }
  350. }
  351. if(max_ph == 0)
  352. {
  353. // not recognised, report and ignore
  354. if(bad_phoneme != NULL)
  355. {
  356. bad_phoneme[0] = *p;
  357. bad_phoneme[1] = 0;
  358. }
  359. *outptr++ = 0;
  360. return(p+1);
  361. }
  362. if(max <= 0)
  363. max = 1;
  364. p += (consumed + max);
  365. *outptr++ = (char)(max_ph);
  366. if(max_ph == phonSWITCH)
  367. {
  368. // Switch Language: this phoneme is followed by a text string
  369. char *p_lang = outptr;
  370. while(!isspace(c = *p) && (c != 0))
  371. {
  372. p++;
  373. *outptr++ = tolower(c);
  374. }
  375. *outptr = 0;
  376. if(c == 0)
  377. {
  378. if(strcmp(p_lang,"en")==0)
  379. {
  380. *p_lang = 0; // don't need "en", it's assumed by default
  381. return(p);
  382. }
  383. }
  384. else
  385. {
  386. *outptr++ = '|'; // more phonemes follow, terminate language string with separator
  387. }
  388. }
  389. break;
  390. }
  391. }
  392. /* terminate the encoded string */
  393. *outptr = 0;
  394. return(p);
  395. } // end of EncodePhonemes
  396. void DecodePhonemes(const char *inptr, char *outptr)
  397. {//==================================================
  398. // Translate from internal phoneme codes into phoneme mnemonics
  399. unsigned char phcode;
  400. unsigned char c;
  401. unsigned int mnem;
  402. PHONEME_TAB *ph;
  403. static const char *stress_chars = "==,,'* ";
  404. sprintf(outptr,"* ");
  405. while((phcode = *inptr++) > 0)
  406. {
  407. if(phcode == 255)
  408. continue; /* indicates unrecognised phoneme */
  409. if((ph = phoneme_tab[phcode]) == NULL)
  410. continue;
  411. if((ph->type == phSTRESS) && (ph->std_length <= 4) && (ph->program == 0))
  412. {
  413. if(ph->std_length > 1)
  414. *outptr++ = stress_chars[ph->std_length];
  415. }
  416. else
  417. {
  418. mnem = ph->mnemonic;
  419. while((c = (mnem & 0xff)) != 0)
  420. {
  421. *outptr++ = c;
  422. mnem = mnem >> 8;
  423. }
  424. if(phcode == phonSWITCH)
  425. {
  426. while(isalpha(*inptr))
  427. {
  428. *outptr++ = *inptr++;
  429. }
  430. }
  431. }
  432. }
  433. *outptr = 0; /* string terminator */
  434. } // end of DecodePhonemes
  435. // using Kirschenbaum to IPA translation, ascii 0x20 to 0x7f
  436. unsigned short ipa1[96] = {
  437. 0x20,0x21,0x22,0x2b0,0x24,0x25,0x0e6,0x2c8,0x28,0x27e,0x2a,0x2b,0x2cc,0x2d,0x2e,0x2f,
  438. 0x252,0x31,0x32,0x25c,0x34,0x35,0x36,0x37,0x275,0x39,0x2d0,0x2b2,0x3c,0x3d,0x3e,0x294,
  439. 0x259,0x251,0x3b2,0xe7,0xf0,0x25b,0x46,0x262,0x127,0x26a,0x25f,0x4b,0x26b,0x271,0x14b,0x254,
  440. 0x3a6,0x263,0x280,0x283,0x3b8,0x28a,0x28c,0x153,0x3c7,0xf8,0x292,0x32a,0x5c,0x5d,0x5e,0x5f,
  441. 0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x261,0x68,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x6f,
  442. 0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x303,0x7f
  443. };
  444. char *WritePhMnemonic(char *phon_out, PHONEME_TAB *ph, PHONEME_LIST *plist, int use_ipa, int *flags)
  445. {//===================================================================================================
  446. int c;
  447. int mnem;
  448. int len;
  449. int first;
  450. int ix = 0;
  451. char *p;
  452. PHONEME_DATA phdata;
  453. if(ph->code == phonEND_WORD)
  454. {
  455. // ignore
  456. phon_out[0] = 0;
  457. return(phon_out);
  458. }
  459. if(ph->code == phonSWITCH)
  460. {
  461. // the tone_ph field contains a phoneme table number
  462. p = phoneme_tab_list[plist->tone_ph].name;
  463. sprintf(phon_out, "(%s)", p);
  464. return(phon_out + strlen(phon_out));
  465. }
  466. if(use_ipa)
  467. {
  468. // has an ipa name been defined for this phoneme ?
  469. phdata.ipa_string[0] = 0;
  470. if(plist == NULL)
  471. {
  472. InterpretPhoneme2(ph->code, &phdata);
  473. }
  474. else
  475. {
  476. InterpretPhoneme(NULL, 0, plist, &phdata, NULL);
  477. }
  478. p = phdata.ipa_string;
  479. if(*p == 0x20)
  480. {
  481. // indicates no name for this phoneme
  482. *phon_out = 0;
  483. return(phon_out);
  484. }
  485. if((*p != 0) && ((*p & 0xff) < 0x20))
  486. {
  487. // name starts with a flags byte
  488. if(flags != NULL)
  489. *flags = *p;
  490. p++;
  491. }
  492. len = strlen(p);
  493. if(len > 0)
  494. {
  495. strcpy(phon_out, p);
  496. phon_out += len;
  497. *phon_out = 0;
  498. return(phon_out);
  499. }
  500. }
  501. first = 1;
  502. for(mnem = ph->mnemonic; (c = mnem & 0xff) != 0; mnem = mnem >> 8)
  503. {
  504. if((c == '/') && (option_phoneme_variants==0))
  505. break; // discard phoneme variant indicator
  506. if(use_ipa)
  507. {
  508. // convert from ascii to ipa
  509. if(first && (c == '_'))
  510. break; // don't show pause phonemes
  511. if((c == '#') && (ph->type == phVOWEL))
  512. break; // # is subscript-h, but only for consonants
  513. // ignore digits after the first character
  514. if(!first && IsDigit09(c))
  515. continue;
  516. if((c >= 0x20) && (c < 128))
  517. c = ipa1[c-0x20];
  518. ix += utf8_out(c, &phon_out[ix]);
  519. }
  520. else
  521. {
  522. phon_out[ix++]= c;
  523. }
  524. first = 0;
  525. }
  526. phon_out = &phon_out[ix];
  527. *phon_out = 0;
  528. return(phon_out);
  529. } // end of WritePhMnemonic
  530. void GetTranslatedPhonemeString(char *phon_out, int n_phon_out, int phoneme_mode)
  531. {//===============================================================================
  532. /* Called after a clause has been translated into phonemes, in order
  533. to display the clause in phoneme mnemonic form.
  534. phoneme_mode bits 0-3: 0=only phoneme names, 1=ties, 2=ZWJ, 3=underscore separator
  535. bit 4: 0=eSpeak phoneme names, 1=IPA
  536. */
  537. int ix;
  538. unsigned int len;
  539. unsigned int max_len;
  540. int phon_out_ix=0;
  541. int stress;
  542. int c;
  543. char *p;
  544. char *buf;
  545. int count;
  546. int flags;
  547. int use_ipa;
  548. int use_tie;
  549. int separate_phonemes = 0;
  550. char phon_buf[30];
  551. char phon_buf2[30];
  552. PHONEME_LIST *plist;
  553. static const char *stress_chars = "==,,''";
  554. static const int char_tie[] = {0x0361, 0x200d}; // combining-double-inverted-breve, zero-width-joiner
  555. use_ipa = phoneme_mode & 0x10;
  556. use_tie = phoneme_mode & 0x0f;
  557. if(use_tie >= 3)
  558. {
  559. // separate individual phonemes with underscores
  560. separate_phonemes = '_';
  561. use_tie = 0;
  562. }
  563. if(phon_out != NULL)
  564. {
  565. for(ix=1; ix<(n_phoneme_list-2); ix++)
  566. {
  567. buf = phon_buf;
  568. plist = &phoneme_list[ix];
  569. WritePhMnemonic(phon_buf2, plist->ph, plist, use_ipa, &flags);
  570. if(plist->newword)
  571. *buf++ = ' ';
  572. else
  573. {
  574. if((separate_phonemes != 0) && (ix > 1))
  575. {
  576. utf8_in(&c, phon_buf2);
  577. if((c < 0x2b0) || (c > 0x36f)) // not if the phoneme starts with a superscript letter
  578. {
  579. *buf++ = separate_phonemes;
  580. }
  581. }
  582. }
  583. if(plist->synthflags & SFLAG_SYLLABLE)
  584. {
  585. if((stress = plist->stresslevel) > 1)
  586. {
  587. c = 0;
  588. if(stress > 5) stress = 5;
  589. if(use_ipa)
  590. {
  591. c = 0x2cc; // ipa, secondary stress
  592. if(stress > 3)
  593. c = 0x02c8; // ipa, primary stress
  594. }
  595. else
  596. {
  597. c = stress_chars[stress];
  598. }
  599. if(c != 0)
  600. {
  601. buf += utf8_out(c, buf);
  602. // if(separate_phonemes)
  603. // *buf++ = separate_phonemes;
  604. }
  605. }
  606. }
  607. flags = 0;
  608. count = 0;
  609. for(p=phon_buf2; *p != 0;)
  610. {
  611. p += utf8_in(&c, p);
  612. if(use_tie > 0)
  613. {
  614. // look for non-inital alphabetic character, but not diacritic, superscript etc.
  615. if((count>0) && !(flags & (1 << (count-1))) && ((c < 0x2b0) || (c > 0x36f)) && iswalpha2(c))
  616. {
  617. buf += utf8_out(char_tie[use_tie-1], buf);
  618. }
  619. }
  620. buf += utf8_out(c, buf);
  621. count++;
  622. }
  623. if(plist->ph->code != phonSWITCH)
  624. {
  625. if(plist->synthflags & SFLAG_LENGTHEN)
  626. {
  627. buf = WritePhMnemonic(buf, phoneme_tab[phonLENGTHEN], NULL, use_ipa, NULL);
  628. }
  629. if((plist->synthflags & SFLAG_SYLLABLE) && (plist->type != phVOWEL))
  630. {
  631. // syllablic consonant
  632. buf = WritePhMnemonic(buf, phoneme_tab[phonSYLLABIC], NULL, use_ipa, NULL);
  633. }
  634. if(plist->tone_ph > 0)
  635. {
  636. buf = WritePhMnemonic(buf, phoneme_tab[plist->tone_ph], NULL, use_ipa, NULL);
  637. }
  638. }
  639. len = buf - phon_buf;
  640. max_len = (n_phon_out - phon_out_ix - 5); // allow for " ..." and zero byte terminator
  641. if(len > max_len)
  642. {
  643. strcpy(&phon_buf[max_len], " ...");
  644. len = max_len + 4;
  645. }
  646. phon_buf[len] = 0;
  647. strcpy(&phon_out[phon_out_ix], phon_buf);
  648. phon_out_ix += len;
  649. if(len > max_len)
  650. {
  651. break;
  652. }
  653. }
  654. phon_out[phon_out_ix] = 0;
  655. }
  656. } // end of GetTranslatedPhonemeString
  657. //=============================================================================================
  658. // Is a word Unpronouncable - and so should be spoken as individual letters
  659. //
  660. //=============================================================================================
  661. static int IsLetterGroup(Translator *tr, char *word, int group, int pre)
  662. {//=====================================================================
  663. // match the word against a list of utf-8 strings
  664. char *p;
  665. char *w;
  666. int len=0;
  667. p = tr->letterGroups[group];
  668. if(p == NULL)
  669. return(0);
  670. while(*p != RULE_GROUP_END)
  671. {
  672. if(pre)
  673. {
  674. len = strlen(p);
  675. w = word - len + 1;
  676. }
  677. else
  678. {
  679. w = word;
  680. }
  681. while((*p == *w) && (*w != 0))
  682. {
  683. w++;
  684. p++;
  685. }
  686. if(*p == 0)
  687. {
  688. if(pre)
  689. return(len);
  690. return(w-word); // matched a complete string
  691. }
  692. while(*p++ != 0); // skip to end of string
  693. }
  694. return(0);
  695. }
  696. static int IsLetter(Translator *tr, int letter, int group)
  697. {//=======================================================
  698. int letter2;
  699. if(tr->letter_groups[group] != NULL)
  700. {
  701. if(wcschr(tr->letter_groups[group],letter))
  702. return(1);
  703. return(0);
  704. }
  705. if(group > 7)
  706. return(0);
  707. if(tr->letter_bits_offset > 0)
  708. {
  709. if(((letter2 = (letter - tr->letter_bits_offset)) > 0) && (letter2 < 0x100))
  710. letter = letter2;
  711. else
  712. return(0);
  713. }
  714. else
  715. {
  716. if((letter >= 0xc0) && (letter < N_REMOVE_ACCENT))
  717. return(tr->letter_bits[remove_accent[letter-0xc0]] & (1L << group));
  718. }
  719. if((letter >= 0) && (letter < 0x100))
  720. return(tr->letter_bits[letter] & (1L << group));
  721. return(0);
  722. }
  723. int IsVowel(Translator *tr, int letter)
  724. {//====================================
  725. return(IsLetter(tr, letter, LETTERGP_VOWEL2));
  726. }
  727. static int Unpronouncable2(Translator *tr, char *word)
  728. {//===================================================
  729. int c;
  730. int end_flags;
  731. char ph_buf[N_WORD_PHONEMES];
  732. ph_buf[0] = 0;
  733. c = word[-1];
  734. word[-1] = ' '; // ensure there is a space before the "word"
  735. end_flags = TranslateRules(tr, word, ph_buf, sizeof(ph_buf), NULL, FLAG_UNPRON_TEST, NULL);
  736. word[-1] = c;
  737. if((end_flags == 0) || (end_flags & SUFX_UNPRON))
  738. return(1);
  739. return(0);
  740. }
  741. int Unpronouncable(Translator *tr, char *word, int posn)
  742. {//=====================================================
  743. /* Determines whether a word in 'unpronouncable', i.e. whether it should
  744. be spoken as individual letters.
  745. This function may be language specific. This is a generic version.
  746. */
  747. int c;
  748. int c1=0;
  749. int vowel_posn=9;
  750. int index;
  751. int count;
  752. utf8_in(&c,word);
  753. if((tr->letter_bits_offset > 0) && (c < 0x241))
  754. {
  755. // Latin characters for a language with a non-latin alphabet
  756. return(0); // so we can re-translate the word as English
  757. }
  758. if(tr->langopts.param[LOPT_UNPRONOUNCABLE] == 1)
  759. return(0);
  760. if(((c = *word) == ' ') || (c == 0) || (c == '\''))
  761. return(0);
  762. index = 0;
  763. count = 0;
  764. for(;;)
  765. {
  766. index += utf8_in(&c,&word[index]);
  767. if((c==0) || (c==' '))
  768. break;
  769. if((c=='\'') && ((count > 1) || (posn > 0)))
  770. break; // "tv'" but not "l'"
  771. if(count==0)
  772. c1 = c;
  773. if((c == '\'') && (tr->langopts.param[LOPT_UNPRONOUNCABLE] == 3))
  774. {
  775. // don't count apostrophe
  776. }
  777. else
  778. count++;
  779. if(IsVowel(tr, c))
  780. {
  781. vowel_posn = count; // position of the first vowel
  782. break;
  783. }
  784. if((c != '\'') && !iswalpha2(c))
  785. return(0);
  786. }
  787. if((vowel_posn > 2) && (tr->langopts.param[LOPT_UNPRONOUNCABLE] == 2))
  788. {
  789. // Lookup unpronounable rules in *_rules
  790. return(Unpronouncable2(tr, word));
  791. }
  792. if(c1 == tr->langopts.param[LOPT_UNPRONOUNCABLE])
  793. vowel_posn--; // disregard this as the initial letter when counting
  794. if(vowel_posn > (tr->langopts.max_initial_consonants+1))
  795. return(1); // no vowel, or no vowel in first few letters
  796. return(0);
  797. } /* end of Unpronounceable */
  798. //=============================================================================================
  799. // Determine the stress pattern of a word
  800. //
  801. //=============================================================================================
  802. static int GetVowelStress(Translator *tr, unsigned char *phonemes, signed char *vowel_stress, int &vowel_count, int &stressed_syllable, int control)
  803. {//=================================================================================================================================================
  804. // control = 1, set stress to 1 for forced unstressed vowels
  805. unsigned char phcode;
  806. PHONEME_TAB *ph;
  807. unsigned char *ph_out = phonemes;
  808. int count = 1;
  809. int max_stress = -1;
  810. int ix;
  811. int j;
  812. int stress = -1;
  813. int primary_posn = 0;
  814. vowel_stress[0] = 1;
  815. while(((phcode = *phonemes++) != 0) && (count < (N_WORD_PHONEMES/2)-1))
  816. {
  817. if((ph = phoneme_tab[phcode]) == NULL)
  818. continue;
  819. if((ph->type == phSTRESS) && (ph->program == 0))
  820. {
  821. /* stress marker, use this for the following vowel */
  822. if(phcode == phonSTRESS_PREV)
  823. {
  824. /* primary stress on preceeding vowel */
  825. j = count - 1;
  826. while((j > 0) && (stressed_syllable == 0) && (vowel_stress[j] < 4))
  827. {
  828. if((vowel_stress[j] != 0) && (vowel_stress[j] != 1))
  829. {
  830. // don't promote a phoneme which must be unstressed
  831. vowel_stress[j] = 4;
  832. if(max_stress < 4)
  833. {
  834. max_stress = 4;
  835. primary_posn = j;
  836. }
  837. /* reduce any preceding primary stress markers */
  838. for(ix=1; ix<j; ix++)
  839. {
  840. if(vowel_stress[ix] == 4)
  841. vowel_stress[ix] = 3;
  842. }
  843. break;
  844. }
  845. j--;
  846. }
  847. }
  848. else
  849. {
  850. if((ph->std_length < 4) || (stressed_syllable == 0))
  851. {
  852. stress = ph->std_length;
  853. if(stress > max_stress)
  854. max_stress = stress;
  855. }
  856. }
  857. continue;
  858. }
  859. if((ph->type == phVOWEL) && !(ph->phflags & phNONSYLLABIC))
  860. {
  861. vowel_stress[count] = (char)stress;
  862. if((stress >= 4) && (stress >= max_stress))
  863. {
  864. primary_posn = count;
  865. max_stress = stress;
  866. }
  867. if((stress < 0) && (control & 1) && (ph->phflags & phUNSTRESSED))
  868. vowel_stress[count] = 1; /* weak vowel, must be unstressed */
  869. count++;
  870. stress = -1;
  871. }
  872. else if(phcode == phonSYLLABIC)
  873. {
  874. // previous consonant phoneme is syllablic
  875. vowel_stress[count] = (char)stress;
  876. if((stress == 0) && (control & 1))
  877. vowel_stress[count++] = 1; // syllabic consonant, usually unstressed
  878. }
  879. *ph_out++ = phcode;
  880. }
  881. vowel_stress[count] = 1;
  882. *ph_out = 0;
  883. /* has the position of the primary stress been specified by $1, $2, etc? */
  884. if(stressed_syllable > 0)
  885. {
  886. if(stressed_syllable >= count)
  887. stressed_syllable = count-1; // the final syllable
  888. vowel_stress[stressed_syllable] = 4;
  889. max_stress = 4;
  890. primary_posn = stressed_syllable;
  891. }
  892. if(max_stress == 5)
  893. {
  894. // priority stress, replaces any other primary stress marker
  895. for(ix=1; ix<count; ix++)
  896. {
  897. if(vowel_stress[ix] == 4)
  898. {
  899. if(tr->langopts.stress_flags & S_PRIORITY_STRESS)
  900. vowel_stress[ix] = 1;
  901. else
  902. vowel_stress[ix] = 3;
  903. }
  904. if(vowel_stress[ix] == 5)
  905. {
  906. vowel_stress[ix] = 4;
  907. primary_posn = ix;
  908. }
  909. }
  910. max_stress = 4;
  911. }
  912. stressed_syllable = primary_posn;
  913. vowel_count = count;
  914. return(max_stress);
  915. } // end of GetVowelStress
  916. static char stress_phonemes[] = {phonSTRESS_D, phonSTRESS_U, phonSTRESS_2, phonSTRESS_3,
  917. phonSTRESS_P, phonSTRESS_P2, phonSTRESS_TONIC
  918. };
  919. void ChangeWordStress(Translator *tr, char *word, int new_stress)
  920. {//==============================================================
  921. int ix;
  922. unsigned char *p;
  923. int max_stress;
  924. int vowel_count; // num of vowels + 1
  925. int stressed_syllable=0; // position of stressed syllable
  926. unsigned char phonetic[N_WORD_PHONEMES];
  927. signed char vowel_stress[N_WORD_PHONEMES/2];
  928. strcpy((char *)phonetic,word);
  929. max_stress = GetVowelStress(tr, phonetic, vowel_stress, vowel_count, stressed_syllable, 0);
  930. if(new_stress >= 4)
  931. {
  932. // promote to primary stress
  933. for(ix=1; ix<vowel_count; ix++)
  934. {
  935. if(vowel_stress[ix] >= max_stress)
  936. {
  937. vowel_stress[ix] = new_stress;
  938. break;
  939. }
  940. }
  941. }
  942. else
  943. {
  944. // remove primary stress
  945. for(ix=1; ix<vowel_count; ix++)
  946. {
  947. if(vowel_stress[ix] > new_stress) // >= allows for diminished stress (=1)
  948. vowel_stress[ix] = new_stress;
  949. }
  950. }
  951. // write out phonemes
  952. ix = 1;
  953. p = phonetic;
  954. while(*p != 0)
  955. {
  956. if((phoneme_tab[*p]->type == phVOWEL) && !(phoneme_tab[*p]->phflags & phNONSYLLABIC))
  957. {
  958. if((vowel_stress[ix] == 0) || (vowel_stress[ix] > 1))
  959. *word++ = stress_phonemes[(unsigned char)vowel_stress[ix]];
  960. ix++;
  961. }
  962. *word++ = *p++;
  963. }
  964. *word = 0;
  965. } // end of ChangeWordStress
  966. void SetWordStress(Translator *tr, char *output, unsigned int *dictionary_flags, int tonic, int control)
  967. {//=====================================================================================================
  968. /* Guess stress pattern of word. This is language specific
  969. 'output' is used for input and output
  970. 'dictionary_flags' has bits 0-3 position of stressed vowel (if > 0)
  971. or unstressed (if == 7) or syllables 1 and 2 (if == 6)
  972. bits 8... dictionary flags
  973. If 'tonic' is set (>= 0), replace highest stress by this value.
  974. control: bit 0 This is an individual symbol, not a word
  975. */
  976. unsigned char phcode;
  977. unsigned char *p;
  978. PHONEME_TAB *ph;
  979. int stress;
  980. int max_stress;
  981. int vowel_count; // num of vowels + 1
  982. int ix;
  983. int v;
  984. int v_stress;
  985. int stressed_syllable; // position of stressed syllable
  986. int max_stress_posn;
  987. int unstressed_word = 0;
  988. char *max_output;
  989. int final_ph;
  990. int final_ph2;
  991. int mnem;
  992. int post_tonic; // currently not used
  993. int opt_length;
  994. int done;
  995. int stressflags;
  996. int dflags = 0;
  997. int first_primary;
  998. int long_vowel;
  999. signed char vowel_stress[N_WORD_PHONEMES/2];
  1000. char syllable_weight[N_WORD_PHONEMES/2];
  1001. char vowel_length[N_WORD_PHONEMES/2];
  1002. unsigned char phonetic[N_WORD_PHONEMES];
  1003. static char consonant_types[16] = {0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,0};
  1004. /* stress numbers STRESS_BASE +
  1005. 0 diminished, unstressed within a word
  1006. 1 unstressed, weak
  1007. 2
  1008. 3 secondary stress
  1009. 4 main stress */
  1010. stressflags = tr->langopts.stress_flags;
  1011. if(dictionary_flags != NULL)
  1012. dflags = dictionary_flags[0];
  1013. /* copy input string into internal buffer */
  1014. for(ix=0; ix<N_WORD_PHONEMES; ix++)
  1015. {
  1016. phonetic[ix] = output[ix];
  1017. // check for unknown phoneme codes
  1018. if(phonetic[ix] >= n_phoneme_tab)
  1019. phonetic[ix] = phonSCHWA;
  1020. if(phonetic[ix] == 0)
  1021. break;
  1022. }
  1023. if(ix == 0) return;
  1024. final_ph = phonetic[ix-1];
  1025. final_ph2 = phonetic[ix-2];
  1026. max_output = output + (N_WORD_PHONEMES-3); /* check for overrun */
  1027. // any stress position marked in the xx_list dictionary ?
  1028. stressed_syllable = dflags & 0x7;
  1029. if(dflags & 0x8)
  1030. {
  1031. // this indicates a word without a primary stress
  1032. stressed_syllable = dflags & 0x3;
  1033. unstressed_word = 1;
  1034. }
  1035. max_stress = GetVowelStress(tr, phonetic, vowel_stress, vowel_count, stressed_syllable, 1);
  1036. if((max_stress < 0) && dictionary_flags)
  1037. {
  1038. max_stress = 0;
  1039. }
  1040. // heavy or light syllables
  1041. ix = 1;
  1042. for(p = phonetic; *p != 0; p++)
  1043. {
  1044. if((phoneme_tab[p[0]]->type == phVOWEL) && !(phoneme_tab[p[0]]->phflags & phNONSYLLABIC))
  1045. {
  1046. int weight = 0;
  1047. int lengthened = 0;
  1048. if(phoneme_tab[p[1]]->code == phonLENGTHEN)
  1049. lengthened = 1;
  1050. if(lengthened || (phoneme_tab[p[0]]->phflags & phLONG))
  1051. {
  1052. // long vowel, increase syllable weight
  1053. weight++;
  1054. }
  1055. vowel_length[ix] = weight;
  1056. if(lengthened) p++; // advance over phonLENGTHEN
  1057. if(consonant_types[phoneme_tab[p[1]]->type] && ((phoneme_tab[p[2]]->type != phVOWEL) || (phoneme_tab[p[1]]->phflags & phLONG)))
  1058. {
  1059. // followed by two consonants, a long consonant, or consonant and end-of-word
  1060. weight++;
  1061. }
  1062. syllable_weight[ix] = weight;
  1063. ix++;
  1064. }
  1065. }
  1066. switch(tr->langopts.stress_rule)
  1067. {
  1068. case 8:
  1069. // stress on first syllable, unless it is a light syllable followed by a heavy syllable
  1070. if((syllable_weight[1] > 0) || (syllable_weight[2] == 0))
  1071. break;
  1072. // else drop through to case 1
  1073. case 1:
  1074. // stress on second syllable
  1075. if((stressed_syllable == 0) && (vowel_count > 2))
  1076. {
  1077. stressed_syllable = 2;
  1078. if(max_stress == 0)
  1079. {
  1080. vowel_stress[stressed_syllable] = 4;
  1081. }
  1082. max_stress = 4;
  1083. }
  1084. break;
  1085. case 10: // penultimate, but final if only 1 or 2 syllables
  1086. if(stressed_syllable == 0)
  1087. {
  1088. if(vowel_count < 4)
  1089. {
  1090. vowel_stress[vowel_count - 1] = 4;
  1091. max_stress = 4;
  1092. break;
  1093. }
  1094. }
  1095. // drop through to next case
  1096. case 2:
  1097. // a language with stress on penultimate vowel
  1098. if(stressed_syllable == 0)
  1099. {
  1100. /* no explicit stress - stress the penultimate vowel */
  1101. max_stress = 4;
  1102. if(vowel_count > 2)
  1103. {
  1104. stressed_syllable = vowel_count - 2;
  1105. if(stressflags & (S_FINAL_SPANISH | S_FINAL_STRESS_C))
  1106. {
  1107. // LANG=Spanish, stress on last vowel if the word ends in a consonant other than 'n' or 's'
  1108. if(phoneme_tab[final_ph]->type != phVOWEL)
  1109. {
  1110. if(stressflags & S_FINAL_STRESS_C)
  1111. {
  1112. stressed_syllable = vowel_count - 1;
  1113. }
  1114. else
  1115. {
  1116. mnem = phoneme_tab[final_ph]->mnemonic;
  1117. if(tr->translator_name == L('a','n'))
  1118. {
  1119. if(((mnem != 's') && (mnem !='n')) || phoneme_tab[final_ph2]->type != phVOWEL)
  1120. stressed_syllable = vowel_count - 1; // stress on last syllable
  1121. }
  1122. else
  1123. {
  1124. if((mnem == 's') && (phoneme_tab[final_ph2]->type == phNASAL))
  1125. {
  1126. // -ns stress remains on penultimate syllable
  1127. }
  1128. else if(((phoneme_tab[final_ph]->type != phNASAL) && (mnem != 's')) || (phoneme_tab[final_ph2]->type != phVOWEL))
  1129. {
  1130. stressed_syllable = vowel_count - 1;
  1131. }
  1132. }
  1133. }
  1134. }
  1135. }
  1136. if(stressflags & S_FINAL_LONG)
  1137. {
  1138. // stress on last syllable if it has a long vowel, but previous syllable has a short vowel
  1139. if(vowel_length[vowel_count - 1] > vowel_length[vowel_count - 2])
  1140. {
  1141. stressed_syllable = vowel_count - 1;
  1142. }
  1143. }
  1144. if((vowel_stress[stressed_syllable] == 0) || (vowel_stress[stressed_syllable] == 1))
  1145. {
  1146. // but this vowel is explicitly marked as unstressed
  1147. if(stressed_syllable > 1)
  1148. stressed_syllable--;
  1149. else
  1150. stressed_syllable++;
  1151. }
  1152. }
  1153. else
  1154. {
  1155. stressed_syllable = 1;
  1156. }
  1157. // only set the stress if it's not already marked explicitly
  1158. if(vowel_stress[stressed_syllable] < 0)
  1159. {
  1160. // don't stress if next and prev syllables are stressed
  1161. if((vowel_stress[stressed_syllable-1] < 4) || (vowel_stress[stressed_syllable+1] < 4))
  1162. vowel_stress[stressed_syllable] = max_stress;
  1163. }
  1164. }
  1165. break;
  1166. case 3:
  1167. // stress on last vowel
  1168. if(stressed_syllable == 0)
  1169. {
  1170. /* no explicit stress - stress the final vowel */
  1171. stressed_syllable = vowel_count - 1;
  1172. while(stressed_syllable > 0)
  1173. {
  1174. // find the last vowel which is not unstressed
  1175. if(vowel_stress[stressed_syllable] < 0)
  1176. {
  1177. vowel_stress[stressed_syllable] = 4;
  1178. break;
  1179. }
  1180. else
  1181. stressed_syllable--;
  1182. }
  1183. max_stress = 4;
  1184. }
  1185. break;
  1186. case 4: // stress on antipenultimate vowel
  1187. if(stressed_syllable == 0)
  1188. {
  1189. stressed_syllable = vowel_count - 3;
  1190. if(stressed_syllable < 1)
  1191. stressed_syllable = 1;
  1192. if(max_stress == 0)
  1193. {
  1194. vowel_stress[stressed_syllable] = 4;
  1195. }
  1196. max_stress = 4;
  1197. }
  1198. break;
  1199. case 5:
  1200. // LANG=Russian
  1201. if(stressed_syllable == 0)
  1202. {
  1203. /* no explicit stress - guess the stress from the number of syllables */
  1204. static char guess_ru[16] = {0,0,1,1,2,3,3,4,5,6,7,7,8,9,10,11};
  1205. static char guess_ru_v[16] = {0,0,1,1,2,2,3,3,4,5,6,7,7,8,9,10}; // for final phoneme is a vowel
  1206. static char guess_ru_t[16] = {0,0,1,2,3,3,3,4,5,6,7,7,7,8,9,10}; // for final phoneme is an unvoiced stop
  1207. stressed_syllable = vowel_count - 3;
  1208. if(vowel_count < 16)
  1209. {
  1210. if(phoneme_tab[final_ph]->type == phVOWEL)
  1211. stressed_syllable = guess_ru_v[vowel_count];
  1212. else if(phoneme_tab[final_ph]->type == phSTOP)
  1213. stressed_syllable = guess_ru_t[vowel_count];
  1214. else
  1215. stressed_syllable = guess_ru[vowel_count];
  1216. }
  1217. vowel_stress[stressed_syllable] = 4;
  1218. max_stress = 4;
  1219. }
  1220. break;
  1221. case 6: // LANG=hi stress on the last heaviest syllable
  1222. if(stressed_syllable == 0)
  1223. {
  1224. int wt;
  1225. int max_weight = -1;
  1226. // int prev_stressed;
  1227. // find the heaviest syllable, excluding the final syllable
  1228. for(ix = 1; ix < (vowel_count-1); ix++)
  1229. {
  1230. if(vowel_stress[ix] < 0)
  1231. {
  1232. if((wt = syllable_weight[ix]) >= max_weight)
  1233. {
  1234. max_weight = wt;
  1235. // prev_stressed = stressed_syllable;
  1236. stressed_syllable = ix;
  1237. }
  1238. }
  1239. }
  1240. if((syllable_weight[vowel_count-1] == 2) && (max_weight< 2))
  1241. {
  1242. // the only double=heavy syllable is the final syllable, so stress this
  1243. stressed_syllable = vowel_count-1;
  1244. }
  1245. else if(max_weight <= 0)
  1246. {
  1247. // all syllables, exclusing the last, are light. Stress the first syllable
  1248. stressed_syllable = 1;
  1249. }
  1250. vowel_stress[stressed_syllable] = 4;
  1251. max_stress = 4;
  1252. }
  1253. break;
  1254. case 7: // LANG=tr, the last syllable for any vowel marked explicitly as unstressed
  1255. if(stressed_syllable == 0)
  1256. {
  1257. stressed_syllable = vowel_count - 1;
  1258. for(ix=1; ix < vowel_count; ix++)
  1259. {
  1260. if(vowel_stress[ix] == 1)
  1261. {
  1262. stressed_syllable = ix-1;
  1263. break;
  1264. }
  1265. }
  1266. vowel_stress[stressed_syllable] = 4;
  1267. max_stress = 4;
  1268. }
  1269. break;
  1270. case 9: // mark all as stressed
  1271. for(ix=1; ix<vowel_count; ix++)
  1272. {
  1273. if(vowel_stress[ix] < 0)
  1274. vowel_stress[ix] = 4;
  1275. }
  1276. break;
  1277. case 12: // LANG=kl (Greenlandic)
  1278. long_vowel = 0;
  1279. for(ix=1; ix < vowel_count; ix++)
  1280. {
  1281. if(vowel_stress[ix] == 4)
  1282. vowel_stress[ix] = 3; // change marked stress (consonant clusters) to secondary (except the last)
  1283. if(vowel_length[ix] > 0)
  1284. {
  1285. long_vowel = ix;
  1286. vowel_stress[ix] = 3; // give secondary stress to all long vowels
  1287. }
  1288. }
  1289. // 'stressed_syllable' gives the last marked stress
  1290. if(stressed_syllable == 0)
  1291. {
  1292. // no marked stress, choose the last long vowel
  1293. if(long_vowel > 0)
  1294. stressed_syllable = long_vowel;
  1295. else
  1296. {
  1297. // no long vowels or consonant clusters
  1298. if(vowel_count > 5)
  1299. stressed_syllable = vowel_count - 3; // more than 4 syllables
  1300. else
  1301. stressed_syllable = vowel_count - 1;
  1302. }
  1303. }
  1304. vowel_stress[stressed_syllable] = 4;
  1305. max_stress = 4;
  1306. break;
  1307. }
  1308. /* now guess the complete stress pattern */
  1309. if(max_stress < 4)
  1310. stress = 4; /* no primary stress marked, use for 1st syllable */
  1311. else
  1312. stress = 3;
  1313. if(unstressed_word == 0)
  1314. {
  1315. if((stressflags & S_2_SYL_2) && (vowel_count == 3))
  1316. {
  1317. // Two syllable word, if one syllable has primary stress, then give the other secondary stress
  1318. if(vowel_stress[1] == 4)
  1319. vowel_stress[2] = 3;
  1320. if(vowel_stress[2] == 4)
  1321. vowel_stress[1] = 3;
  1322. }
  1323. if((stressflags & S_INITIAL_2) && (vowel_stress[1] < 0))
  1324. {
  1325. // If there is only one syllable before the primary stress, give it a secondary stress
  1326. if((vowel_count > 3) && (vowel_stress[2] >= 4))
  1327. {
  1328. vowel_stress[1] = 3;
  1329. }
  1330. }
  1331. }
  1332. done = 0;
  1333. first_primary = 0;
  1334. for(v=1; v<vowel_count; v++)
  1335. {
  1336. if(vowel_stress[v] < 0)
  1337. {
  1338. if((stressflags & S_FINAL_NO_2) && (stress < 4) && (v == vowel_count-1))
  1339. {
  1340. // flag: don't give secondary stress to final vowel
  1341. }
  1342. else if((stressflags & 0x8000) && (done == 0))
  1343. {
  1344. vowel_stress[v] = (char)stress;
  1345. done =1;
  1346. stress = 3; /* use secondary stress for remaining syllables */
  1347. }
  1348. else if((vowel_stress[v-1] <= 1) && ((vowel_stress[v+1] <= 1) || ((stress == 4) && (vowel_stress[v+1] <= 2))))
  1349. {
  1350. /* trochaic: give stress to vowel surrounded by unstressed vowels */
  1351. if((stress == 3) && (stressflags & S_NO_AUTO_2))
  1352. continue; // don't use secondary stress
  1353. if((v > 1) && (stressflags & S_2_TO_HEAVY) && (syllable_weight[v]==0) && (syllable_weight[v+1]>0))
  1354. {
  1355. // don't put secondary stress on a light syllable which is followed by a heavy syllable
  1356. continue;
  1357. }
  1358. // should start with secondary stress on the first syllable, or should it count back from
  1359. // the primary stress and put secondary stress on alternate syllables?
  1360. vowel_stress[v] = (char)stress;
  1361. done =1;
  1362. stress = 3; /* use secondary stress for remaining syllables */
  1363. }
  1364. }
  1365. if(vowel_stress[v] >= 4)
  1366. {
  1367. if(first_primary == 0)
  1368. first_primary = v;
  1369. else if(stressflags & S_FIRST_PRIMARY)
  1370. {
  1371. // reduce primary stresses after the first to secondary
  1372. vowel_stress[v] = 3;
  1373. }
  1374. }
  1375. }
  1376. if((unstressed_word) && (tonic < 0))
  1377. {
  1378. if(vowel_count <= 2)
  1379. tonic = tr->langopts.unstressed_wd1; /* monosyllable - unstressed */
  1380. else
  1381. tonic = tr->langopts.unstressed_wd2; /* more than one syllable, used secondary stress as the main stress */
  1382. }
  1383. max_stress = 0;
  1384. max_stress_posn = 0;
  1385. for(v=1; v<vowel_count; v++)
  1386. {
  1387. if(vowel_stress[v] >= max_stress)
  1388. {
  1389. max_stress = vowel_stress[v];
  1390. max_stress_posn = v;
  1391. }
  1392. }
  1393. if(tonic >= 0)
  1394. {
  1395. /* find position of highest stress, and replace it by 'tonic' */
  1396. /* don't disturb an explicitly set stress by 'unstress-at-end' flag */
  1397. if((tonic > max_stress) || (max_stress <= 4))
  1398. vowel_stress[max_stress_posn] = (char)tonic;
  1399. max_stress = tonic;
  1400. }
  1401. /* produce output phoneme string */
  1402. p = phonetic;
  1403. v = 1;
  1404. if(!(control & 1) && ((ph = phoneme_tab[*p]) != NULL))
  1405. {
  1406. while((ph->type == phSTRESS) || (*p == phonEND_WORD))
  1407. {
  1408. p++;
  1409. ph = phoneme_tab[p[0]];
  1410. }
  1411. #ifdef deleted
  1412. int gap = tr->langopts.word_gap & 0x700;
  1413. if((gap) && (vowel_stress[1] >= 4) && (prev_stress >= 4))
  1414. {
  1415. /* two primary stresses together, insert a short pause */
  1416. *output++ = pause_phonemes[gap >> 8];
  1417. }
  1418. else
  1419. #endif
  1420. if((tr->langopts.vowel_pause & 0x30) && (ph->type == phVOWEL))
  1421. {
  1422. // word starts with a vowel
  1423. if((tr->langopts.vowel_pause & 0x20) && (vowel_stress[1] >= 4))
  1424. {
  1425. *output++ = phonPAUSE_NOLINK; // not to be replaced by link
  1426. }
  1427. else
  1428. {
  1429. *output++ = phonPAUSE_VSHORT; // break, but no pause
  1430. }
  1431. }
  1432. }
  1433. p = phonetic;
  1434. post_tonic = 0;
  1435. while(((phcode = *p++) != 0) && (output < max_output))
  1436. {
  1437. if((ph = phoneme_tab[phcode]) == NULL)
  1438. continue;
  1439. // if(ph->type == phSTRESS)
  1440. // continue;
  1441. if(ph->type == phPAUSE)
  1442. {
  1443. tr->prev_last_stress = 0;
  1444. }
  1445. else if(((ph->type == phVOWEL) && !(ph->phflags & phNONSYLLABIC)) || (*p == phonSYLLABIC))
  1446. {
  1447. // a vowel, or a consonant followed by a syllabic consonant marker
  1448. v_stress = vowel_stress[v];
  1449. tr->prev_last_stress = v_stress;
  1450. if(vowel_stress[v-1] >= max_stress)
  1451. post_tonic = 1;
  1452. if(v_stress <= 1)
  1453. {
  1454. if((v > 1) && (max_stress >= 2) && (stressflags & S_FINAL_DIM) && (v == (vowel_count-1)))
  1455. {
  1456. // option: mark unstressed final syllable as diminished
  1457. v_stress = 0;
  1458. }
  1459. else if((stressflags & S_NO_DIM) || (v == 1) || (v == (vowel_count-1)))
  1460. {
  1461. // first or last syllable, or option 'don't set diminished stress'
  1462. v_stress = 1;
  1463. }
  1464. else if((v == (vowel_count-2)) && (vowel_stress[vowel_count-1] <= 1))
  1465. {
  1466. // penultimate syllable, followed by an unstressed final syllable
  1467. v_stress = 1;
  1468. }
  1469. else
  1470. {
  1471. // unstressed syllable within a word
  1472. if((vowel_stress[v-1] < 0) || ((stressflags & S_MID_DIM) == 0))
  1473. {
  1474. v_stress = 0; /* change to 0 (diminished stress) */
  1475. vowel_stress[v] = v_stress;
  1476. }
  1477. }
  1478. }
  1479. if((v_stress == 0) || (v_stress > 1))
  1480. *output++ = stress_phonemes[v_stress]; // mark stress of all vowels except 1 (unstressed)
  1481. if(vowel_stress[v] > max_stress)
  1482. {
  1483. max_stress = vowel_stress[v];
  1484. }
  1485. if((*p == phonLENGTHEN) && ((opt_length = tr->langopts.param[LOPT_IT_LENGTHEN]) & 1))
  1486. {
  1487. // remove lengthen indicator from non-stressed syllables
  1488. int shorten=0;
  1489. if(opt_length & 0x10)
  1490. {
  1491. // only allow lengthen indicator on the highest stress syllable in the word
  1492. if(v != max_stress_posn)
  1493. shorten = 1;
  1494. }
  1495. else if(v_stress < 4)
  1496. {
  1497. // only allow lengthen indicator if stress >= 4.
  1498. shorten = 1;
  1499. }
  1500. if(shorten)
  1501. p++;
  1502. }
  1503. if((v_stress >= 4) && (tr->langopts.param[LOPT_IT_LENGTHEN] == 2))
  1504. {
  1505. // LANG=Italian, lengthen penultimate stressed vowels, unless followed by 2 consonants
  1506. if((v == (vowel_count - 2)) && (syllable_weight[v] == 0))
  1507. {
  1508. *output++ = phcode;
  1509. phcode = phonLENGTHEN;
  1510. }
  1511. }
  1512. v++;
  1513. }
  1514. if(phcode != 1)
  1515. *output++ = phcode;
  1516. }
  1517. *output++ = 0;
  1518. return;
  1519. } /* end of SetWordStress */
  1520. //=============================================================================================
  1521. // Look up a word in the pronunciation rules
  1522. //
  1523. //=============================================================================================
  1524. void AppendPhonemes(Translator *tr, char *string, int size, const char *ph)
  1525. {//========================================================================
  1526. /* Add new phoneme string "ph" to "string"
  1527. Keeps count of the number of vowel phonemes in the word, and whether these
  1528. can be stressed syllables. These values can be used in translation rules
  1529. */
  1530. const char *p;
  1531. unsigned char c;
  1532. int unstress_mark;
  1533. int length;
  1534. length = strlen(ph) + strlen(string);
  1535. if(length >= size)
  1536. {
  1537. return;
  1538. }
  1539. /* any stressable vowel ? */
  1540. unstress_mark = 0;
  1541. p = ph;
  1542. while((c = *p++) != 0)
  1543. {
  1544. if(c >= n_phoneme_tab) continue;
  1545. if(phoneme_tab[c]->type == phSTRESS)
  1546. {
  1547. if(phoneme_tab[c]->std_length < 4)
  1548. unstress_mark = 1;
  1549. }
  1550. else
  1551. {
  1552. if(phoneme_tab[c]->type == phVOWEL)
  1553. {
  1554. if(((phoneme_tab[c]->phflags & phUNSTRESSED) == 0) &&
  1555. (unstress_mark == 0))
  1556. {
  1557. tr->word_stressed_count++;
  1558. }
  1559. unstress_mark = 0;
  1560. tr->word_vowel_count++;
  1561. }
  1562. }
  1563. }
  1564. if(string != NULL)
  1565. strcat(string,ph);
  1566. } /* end of AppendPhonemes */
  1567. static void MatchRule(Translator *tr, char *word[], char *word_start, int group_length, char *rule, MatchRecord *match_out, int word_flags, int dict_flags)
  1568. {//========================================================================================================================================================
  1569. /* Checks a specified word against dictionary rules.
  1570. Returns with phoneme code string, or NULL if no match found.
  1571. word (indirect) points to current character group within the input word
  1572. This is advanced by this procedure as characters are consumed
  1573. group: the initial characters used to choose the rules group
  1574. rule: address of dictionary rule data for this character group
  1575. match_out: returns best points score
  1576. word_flags: indicates whether this is a retranslation after a suffix has been removed
  1577. */
  1578. unsigned char rb; // current instuction from rule
  1579. unsigned char letter; // current letter from input word, single byte
  1580. int letter_w; // current letter, wide character
  1581. int letter_xbytes; // number of extra bytes of multibyte character (num bytes - 1)
  1582. unsigned char last_letter;
  1583. char *pre_ptr;
  1584. char *post_ptr; /* pointer to first character after group */
  1585. char *rule_start; /* start of current match template */
  1586. char *p;
  1587. int ix;
  1588. int match_type; /* left, right, or consume */
  1589. int failed;
  1590. int unpron_ignore;
  1591. int consumed; /* number of letters consumed from input */
  1592. int syllable_count;
  1593. int vowel;
  1594. int letter_group;
  1595. int distance_right;
  1596. int distance_left;
  1597. int lg_pts;
  1598. int n_bytes;
  1599. int add_points;
  1600. int command;
  1601. int check_atstart;
  1602. MatchRecord match;
  1603. static MatchRecord best;
  1604. int total_consumed; /* letters consumed for best match */
  1605. unsigned char condition_num;
  1606. char *common_phonemes; /* common to a group of entries */
  1607. char *group_chars;
  1608. char word_buf[N_WORD_BYTES];
  1609. group_chars = *word;
  1610. if(rule == NULL)
  1611. {
  1612. match_out->points = 0;
  1613. (*word)++;
  1614. return;
  1615. }
  1616. total_consumed = 0;
  1617. common_phonemes = NULL;
  1618. match_type = 0;
  1619. best.points = 0;
  1620. best.phonemes = "";
  1621. best.end_type = 0;
  1622. best.del_fwd = NULL;
  1623. /* search through dictionary rules */
  1624. while(rule[0] != RULE_GROUP_END)
  1625. {
  1626. unpron_ignore = word_flags & FLAG_UNPRON_TEST;
  1627. match_type=0;
  1628. consumed = 0;
  1629. letter = 0;
  1630. distance_right= -6; /* used to reduce points for matches further away the current letter */
  1631. distance_left= -2;
  1632. check_atstart = 0;
  1633. match.points = 1;
  1634. match.end_type = 0;
  1635. match.del_fwd = NULL;
  1636. pre_ptr = *word;
  1637. post_ptr = *word + group_length;
  1638. /* work through next rule until end, or until no-match proved */
  1639. rule_start = rule;
  1640. failed = 0;
  1641. while(!failed)
  1642. {
  1643. rb = *rule++;
  1644. if(rb <= RULE_LINENUM)
  1645. {
  1646. switch(rb)
  1647. {
  1648. case 0: // no phoneme string for this rule, use previous common rule
  1649. if(common_phonemes != NULL)
  1650. {
  1651. match.phonemes = common_phonemes;
  1652. while(((rb = *match.phonemes++) != 0) && (rb != RULE_PHONEMES))
  1653. {
  1654. if(rb == RULE_CONDITION)
  1655. match.phonemes++; // skip over condition number
  1656. if(rb == RULE_LINENUM)
  1657. match.phonemes += 2; // skip over line number
  1658. }
  1659. }
  1660. else
  1661. {
  1662. match.phonemes = "";
  1663. }
  1664. rule--; // so we are still pointing at the 0
  1665. failed=2; // matched OK
  1666. break;
  1667. case RULE_PRE_ATSTART: // pre rule with implied 'start of word'
  1668. check_atstart = 1;
  1669. unpron_ignore = 0;
  1670. match_type = RULE_PRE;
  1671. break;
  1672. case RULE_PRE:
  1673. match_type = RULE_PRE;
  1674. if(word_flags & FLAG_UNPRON_TEST)
  1675. {
  1676. // checking the start of the word for unpronouncable character sequences, only
  1677. // consider rules which explicitly match the start of a word
  1678. // Note: Those rules now use RULE_PRE_ATSTART
  1679. failed = 1;
  1680. }
  1681. break;
  1682. case RULE_POST:
  1683. match_type = RULE_POST;
  1684. break;
  1685. case RULE_PHONEMES:
  1686. match.phonemes = rule;
  1687. failed=2; // matched OK
  1688. break;
  1689. case RULE_PH_COMMON:
  1690. common_phonemes = rule;
  1691. break;
  1692. case RULE_CONDITION:
  1693. /* conditional rule, next byte gives condition number */
  1694. condition_num = *rule++;
  1695. if(condition_num >= 32)
  1696. {
  1697. // allow the rule only if the condition number is NOT set
  1698. if((tr->dict_condition & (1L << (condition_num-32))) != 0)
  1699. failed = 1;
  1700. }
  1701. else
  1702. {
  1703. // allow the rule only if the condition number is set
  1704. if((tr->dict_condition & (1L << condition_num)) == 0)
  1705. failed = 1;
  1706. }
  1707. if(!failed)
  1708. match.points++; // add one point for a matched conditional rule
  1709. break;
  1710. case RULE_LINENUM:
  1711. rule+=2;
  1712. break;
  1713. }
  1714. continue;
  1715. }
  1716. add_points = 0;
  1717. switch(match_type)
  1718. {
  1719. case 0:
  1720. /* match and consume this letter */
  1721. last_letter = letter;
  1722. letter = *post_ptr++;
  1723. if((letter == rb) || ((letter==(unsigned char)REPLACED_E) && (rb=='e')))
  1724. {
  1725. if((letter & 0xc0) != 0x80)
  1726. add_points = 21; // don't add point for non-initial UTF-8 bytes
  1727. consumed++;
  1728. }
  1729. else
  1730. failed = 1;
  1731. break;
  1732. case RULE_POST:
  1733. /* continue moving fowards */
  1734. distance_right += 6;
  1735. if(distance_right > 18)
  1736. distance_right = 19;
  1737. last_letter = letter;
  1738. letter_xbytes = utf8_in(&letter_w,post_ptr)-1;
  1739. letter = *post_ptr++;
  1740. switch(rb)
  1741. {
  1742. case RULE_LETTERGP:
  1743. letter_group = *rule++ - 'A';
  1744. if(IsLetter(tr, letter_w, letter_group))
  1745. {
  1746. lg_pts = 20;
  1747. if(letter_group==2)
  1748. lg_pts = 19; // fewer points for C, general consonant
  1749. add_points = (lg_pts-distance_right);
  1750. post_ptr += letter_xbytes;
  1751. }
  1752. else
  1753. failed = 1;
  1754. break;
  1755. case RULE_LETTERGP2: // match against a list of utf-8 strings
  1756. letter_group = *rule++ - 'A';
  1757. if((n_bytes = IsLetterGroup(tr, post_ptr-1,letter_group,0)) >0)
  1758. {
  1759. add_points = (20-distance_right);
  1760. post_ptr += (n_bytes-1);
  1761. }
  1762. else
  1763. failed =1;
  1764. break;
  1765. case RULE_NOTVOWEL:
  1766. if(IsLetter(tr, letter_w, 0) || ((letter_w == ' ') && (word_flags & FLAG_SUFFIX_VOWEL)))
  1767. {
  1768. failed = 1;
  1769. }
  1770. else
  1771. {
  1772. add_points = (20-distance_right);
  1773. post_ptr += letter_xbytes;
  1774. }
  1775. break;
  1776. case RULE_DIGIT:
  1777. if(IsDigit(letter_w))
  1778. {
  1779. add_points = (20-distance_right);
  1780. post_ptr += letter_xbytes;
  1781. }
  1782. else if(tr->langopts.tone_numbers)
  1783. {
  1784. // also match if there is no digit
  1785. add_points = (20-distance_right);
  1786. post_ptr--;
  1787. }
  1788. else
  1789. failed = 1;
  1790. break;
  1791. case RULE_NONALPHA:
  1792. if(!iswalpha2(letter_w))
  1793. {
  1794. add_points = (21-distance_right);
  1795. post_ptr += letter_xbytes;
  1796. }
  1797. else
  1798. failed = 1;
  1799. break;
  1800. case RULE_DOUBLE:
  1801. if(letter == last_letter)
  1802. add_points = (21-distance_right);
  1803. else
  1804. failed = 1;
  1805. break;
  1806. case RULE_DOLLAR:
  1807. command = *rule++;
  1808. if(command == 0x01)
  1809. {
  1810. match.end_type = SUFX_UNPRON; // $unpron
  1811. }
  1812. else if((command & 0xf0) == 0x10)
  1813. {
  1814. // $w_alt
  1815. if(dict_flags & (1 << (BITNUM_FLAG_ALT + (command & 0xf))))
  1816. add_points = 23;
  1817. else
  1818. failed = 1;
  1819. }
  1820. else if((command & 0xf0) == 0x20)
  1821. {
  1822. // $p_alt
  1823. // make a copy of the word up to the post-match characters
  1824. ix = *word - word_start + consumed + group_length + 1;
  1825. memcpy(word_buf, word_start-1, ix);
  1826. word_buf[ix] = ' ';
  1827. word_buf[ix+1] = 0;
  1828. if(LookupFlags(tr, &word_buf[1]) & (1 << (BITNUM_FLAG_ALT + (command & 0xf))))
  1829. add_points = 23;
  1830. else
  1831. failed = 1;
  1832. }
  1833. break;
  1834. case '-':
  1835. if((letter == '-') || ((letter == ' ') && (word_flags & FLAG_HYPHEN_AFTER)))
  1836. {
  1837. add_points = (22-distance_right); // one point more than match against space
  1838. }
  1839. else
  1840. failed = 1;
  1841. break;
  1842. case RULE_SYLLABLE:
  1843. {
  1844. /* more than specified number of vowel letters to the right */
  1845. char *p = post_ptr + letter_xbytes;
  1846. int vowel_count=0;
  1847. syllable_count = 1;
  1848. while(*rule == RULE_SYLLABLE)
  1849. {
  1850. rule++;
  1851. syllable_count+=1; /* number of syllables to match */
  1852. }
  1853. vowel = 0;
  1854. while(letter_w != RULE_SPACE)
  1855. {
  1856. if((vowel==0) && IsLetter(tr, letter_w,LETTERGP_VOWEL2))
  1857. {
  1858. // this is counting vowels which are separated by non-vowel letters
  1859. vowel_count++;
  1860. }
  1861. vowel = IsLetter(tr, letter_w,LETTERGP_VOWEL2);
  1862. p += utf8_in(&letter_w,p);
  1863. }
  1864. if(syllable_count <= vowel_count)
  1865. add_points = (18+syllable_count-distance_right);
  1866. else
  1867. failed = 1;
  1868. }
  1869. break;
  1870. case RULE_NOVOWELS:
  1871. {
  1872. char *p = post_ptr + letter_xbytes;
  1873. while(letter_w != RULE_SPACE)
  1874. {
  1875. if(IsLetter(tr, letter_w,LETTERGP_VOWEL2))
  1876. {
  1877. failed = 1;
  1878. break;
  1879. }
  1880. p += utf8_in(&letter_w,p);
  1881. }
  1882. if(!failed)
  1883. add_points = (19-distance_right);
  1884. }
  1885. break;
  1886. case RULE_SKIPCHARS:
  1887. {
  1888. // Used for lang=Tamil, used to match on the next word after an unknown word ending
  1889. // only look until the end of the word (including the end-of-word marker)
  1890. // Jx means 'skip characters until x', where 'x' may be '_' for 'end of word'
  1891. char *p = post_ptr + letter_xbytes;
  1892. char *p2 = p;
  1893. int rule_w; // skip characters until this
  1894. utf8_in(&rule_w,rule);
  1895. while((letter_w != rule_w) && (letter_w != RULE_SPACE))
  1896. {
  1897. p2 = p;
  1898. p += utf8_in(&letter_w,p);
  1899. }
  1900. if(letter_w == rule_w)
  1901. {
  1902. post_ptr = p2;
  1903. }
  1904. }
  1905. break;
  1906. case RULE_INC_SCORE:
  1907. add_points = 20; // force an increase in points
  1908. break;
  1909. case RULE_DEL_FWD:
  1910. // find the next 'e' in the word and replace by 'E'
  1911. for(p = *word + group_length; p < post_ptr; p++)
  1912. {
  1913. if(*p == 'e')
  1914. {
  1915. match.del_fwd = p;
  1916. break;
  1917. }
  1918. }
  1919. break;
  1920. case RULE_ENDING:
  1921. {
  1922. int end_type;
  1923. // next 3 bytes are a (non-zero) ending type. 2 bytes of flags + suffix length
  1924. end_type = (rule[0] << 16) + ((rule[1] & 0x7f) << 8) + (rule[2] & 0x7f);
  1925. if((tr->word_vowel_count == 0) && !(end_type & SUFX_P) && (tr->langopts.param[LOPT_SUFFIX] & 1))
  1926. failed = 1; // don't match a suffix rule if there are no previous syllables (needed for lang=tr).
  1927. else
  1928. {
  1929. match.end_type = end_type;
  1930. rule += 3;
  1931. }
  1932. }
  1933. break;
  1934. case RULE_NO_SUFFIX:
  1935. if(word_flags & FLAG_SUFFIX_REMOVED)
  1936. failed = 1; // a suffix has been removed
  1937. else
  1938. add_points = 1;
  1939. break;
  1940. default:
  1941. if(letter == rb)
  1942. {
  1943. if((letter & 0xc0) != 0x80)
  1944. {
  1945. // not for non-initial UTF-8 bytes
  1946. add_points = (21-distance_right);
  1947. }
  1948. }
  1949. else
  1950. failed = 1;
  1951. break;
  1952. }
  1953. break;
  1954. case RULE_PRE:
  1955. /* match backwards from start of current group */
  1956. distance_left += 2;
  1957. if(distance_left > 18)
  1958. distance_left = 19;
  1959. last_letter = *pre_ptr;
  1960. pre_ptr--;
  1961. letter_xbytes = utf8_in2(&letter_w,pre_ptr,1)-1;
  1962. letter = *pre_ptr;
  1963. switch(rb)
  1964. {
  1965. case RULE_LETTERGP:
  1966. letter_group = *rule++ - 'A';
  1967. if(IsLetter(tr, letter_w,letter_group))
  1968. {
  1969. lg_pts = 20;
  1970. if(letter_group==2)
  1971. lg_pts = 19; // fewer points for C, general consonant
  1972. add_points = (lg_pts-distance_left);
  1973. pre_ptr -= letter_xbytes;
  1974. }
  1975. else
  1976. failed = 1;
  1977. break;
  1978. case RULE_LETTERGP2: // match against a list of utf-8 strings
  1979. letter_group = *rule++ - 'A';
  1980. if((n_bytes = IsLetterGroup(tr, pre_ptr,letter_group,1)) >0)
  1981. {
  1982. add_points = (20-distance_right);
  1983. pre_ptr -= (n_bytes-1);
  1984. }
  1985. else
  1986. failed =1;
  1987. break;
  1988. case RULE_NOTVOWEL:
  1989. if(!IsLetter(tr, letter_w,0))
  1990. {
  1991. add_points = (20-distance_left);
  1992. pre_ptr -= letter_xbytes;
  1993. }
  1994. else
  1995. failed = 1;
  1996. break;
  1997. case RULE_DOUBLE:
  1998. if(letter == last_letter)
  1999. add_points = (21-distance_left);
  2000. else
  2001. failed = 1;
  2002. break;
  2003. case RULE_DIGIT:
  2004. if(IsDigit(letter_w))
  2005. {
  2006. add_points = (21-distance_left);
  2007. pre_ptr -= letter_xbytes;
  2008. }
  2009. else
  2010. failed = 1;
  2011. break;
  2012. case RULE_NONALPHA:
  2013. if(!iswalpha2(letter_w))
  2014. {
  2015. add_points = (21-distance_right);
  2016. pre_ptr -= letter_xbytes;
  2017. }
  2018. else
  2019. failed = 1;
  2020. break;
  2021. case RULE_SYLLABLE:
  2022. /* more than specified number of vowels to the left */
  2023. syllable_count = 1;
  2024. while(*rule == RULE_SYLLABLE)
  2025. {
  2026. rule++;
  2027. syllable_count++; /* number of syllables to match */
  2028. }
  2029. if(syllable_count <= tr->word_vowel_count)
  2030. add_points = (18+syllable_count-distance_left);
  2031. else
  2032. failed = 1;
  2033. break;
  2034. case RULE_STRESSED:
  2035. if(tr->word_stressed_count > 0)
  2036. add_points = 19;
  2037. else
  2038. failed = 1;
  2039. break;
  2040. case RULE_NOVOWELS:
  2041. {
  2042. char *p = pre_ptr - letter_xbytes - 1;
  2043. while(letter_w != RULE_SPACE)
  2044. {
  2045. if(IsLetter(tr, letter_w,LETTERGP_VOWEL2))
  2046. {
  2047. failed = 1;
  2048. break;
  2049. }
  2050. p -= utf8_in2(&letter_w,p,1);
  2051. }
  2052. if(!failed)
  2053. add_points = 3;
  2054. }
  2055. break;
  2056. case RULE_IFVERB:
  2057. if(tr->expect_verb)
  2058. add_points = 1;
  2059. else
  2060. failed = 1;
  2061. break;
  2062. case RULE_CAPITAL:
  2063. if(word_flags & FLAG_FIRST_UPPER)
  2064. add_points = 1;
  2065. else
  2066. failed = 1;
  2067. break;
  2068. case '.':
  2069. // dot in pre- section, match on any dot before this point in the word
  2070. for(p=pre_ptr; *p != ' '; p--)
  2071. {
  2072. if(*p == '.')
  2073. {
  2074. add_points = 50;
  2075. break;
  2076. }
  2077. }
  2078. if(*p == ' ')
  2079. failed = 1;
  2080. break;
  2081. case '-':
  2082. if((letter == '-') || ((letter == ' ') && (word_flags & FLAG_HYPHEN)))
  2083. {
  2084. add_points = (22-distance_right); // one point more than match against space
  2085. }
  2086. else
  2087. failed = 1;
  2088. break;
  2089. default:
  2090. if(letter == rb)
  2091. {
  2092. if(letter == RULE_SPACE)
  2093. add_points = 4;
  2094. else
  2095. {
  2096. if((letter & 0xc0) != 0x80)
  2097. {
  2098. // not for non-initial UTF-8 bytes
  2099. add_points = (21-distance_left);
  2100. }
  2101. }
  2102. }
  2103. else
  2104. failed = 1;
  2105. break;
  2106. }
  2107. break;
  2108. }
  2109. if(failed == 0)
  2110. match.points += add_points;
  2111. }
  2112. if((failed == 2) && (unpron_ignore == 0))
  2113. {
  2114. // do we also need to check for 'start of word' ?
  2115. if((check_atstart==0) || (pre_ptr[-1] == ' '))
  2116. {
  2117. if(check_atstart)
  2118. match.points += 4;
  2119. /* matched OK, is this better than the last best match ? */
  2120. if(match.points >= best.points)
  2121. {
  2122. memcpy(&best,&match,sizeof(match));
  2123. total_consumed = consumed;
  2124. }
  2125. if((option_phonemes == 2) && (match.points > 0) && ((word_flags & FLAG_NO_TRACE) == 0))
  2126. {
  2127. // show each rule that matches, and it's points score
  2128. int pts;
  2129. char decoded_phonemes[80];
  2130. pts = match.points;
  2131. if(group_length > 1)
  2132. pts += 35; // to account for an extra letter matching
  2133. DecodePhonemes(match.phonemes,decoded_phonemes);
  2134. fprintf(f_trans,"%3d\t%s [%s]\n",pts,DecodeRule(group_chars, group_length, rule_start, word_flags), decoded_phonemes);
  2135. }
  2136. }
  2137. }
  2138. /* skip phoneme string to reach start of next template */
  2139. while(*rule++ != 0);
  2140. }
  2141. if((option_phonemes == 2) && ((word_flags & FLAG_NO_TRACE)==0))
  2142. {
  2143. if(group_length <= 1)
  2144. fprintf(f_trans,"\n");
  2145. }
  2146. /* advance input data pointer */
  2147. total_consumed += group_length;
  2148. if(total_consumed == 0)
  2149. total_consumed = 1; /* always advance over 1st letter */
  2150. *word += total_consumed;
  2151. if(best.points == 0)
  2152. best.phonemes = "";
  2153. memcpy(match_out,&best,sizeof(MatchRecord));
  2154. } /* end of MatchRule */
  2155. int TranslateRules(Translator *tr, char *p_start, char *phonemes, int ph_size, char *end_phonemes, int word_flags, unsigned int *dict_flags)
  2156. {//=====================================================================================================================================
  2157. /* Translate a word bounded by space characters
  2158. Append the result to 'phonemes' and any standard prefix/suffix in 'end_phonemes' */
  2159. unsigned char c, c2;
  2160. unsigned int c12;
  2161. int wc=0;
  2162. int wc_bytes;
  2163. char *p2; /* copy of p for use in double letter chain match */
  2164. int found;
  2165. int g; /* group chain number */
  2166. int g1; /* first group for this letter */
  2167. int n;
  2168. int letter;
  2169. int any_alpha=0;
  2170. int ix;
  2171. unsigned int digit_count=0;
  2172. char *p;
  2173. ALPHABET *alphabet;
  2174. int dict_flags0=0;
  2175. MatchRecord match1;
  2176. MatchRecord match2;
  2177. char ph_buf[40];
  2178. char word_copy[N_WORD_BYTES];
  2179. static const char str_pause[2] = {phonPAUSE_NOLINK,0};
  2180. if(tr->data_dictrules == NULL)
  2181. return(0);
  2182. if(dict_flags != NULL)
  2183. dict_flags0 = dict_flags[0];
  2184. for(ix=0; ix<(N_WORD_BYTES-1);)
  2185. {
  2186. c = p_start[ix];
  2187. word_copy[ix++] = c;
  2188. if(c == 0)
  2189. break;
  2190. }
  2191. word_copy[ix] = 0;
  2192. if((option_phonemes == 2) && ((word_flags & FLAG_NO_TRACE)==0))
  2193. {
  2194. char wordbuf[120];
  2195. unsigned int ix;
  2196. for(ix=0; ((c = p_start[ix]) != ' ') && (c != 0) && (ix < (sizeof(wordbuf)-1)); ix++)
  2197. {
  2198. wordbuf[ix] = c;
  2199. }
  2200. wordbuf[ix] = 0;
  2201. if(word_flags & FLAG_UNPRON_TEST)
  2202. fprintf(f_trans,"Unpronouncable? '%s'\n",wordbuf);
  2203. else
  2204. fprintf(f_trans,"Translate '%s'\n",wordbuf);
  2205. }
  2206. p = p_start;
  2207. tr->word_vowel_count = 0;
  2208. tr->word_stressed_count = 0;
  2209. if(end_phonemes != NULL)
  2210. end_phonemes[0] = 0;
  2211. while(((c = *p) != ' ') && (c != 0))
  2212. {
  2213. wc_bytes = utf8_in(&wc,p);
  2214. if(IsAlpha(wc))
  2215. any_alpha++;
  2216. n = tr->groups2_count[c];
  2217. if(IsDigit(wc) && ((tr->langopts.tone_numbers == 0) || !any_alpha))
  2218. {
  2219. // lookup the number in *_list not *_rules
  2220. char string[8];
  2221. char buf[40];
  2222. string[0] = '_';
  2223. memcpy(&string[1],p,wc_bytes);
  2224. string[1+wc_bytes] = 0;
  2225. Lookup(tr, string,buf);
  2226. if(++digit_count >= 2)
  2227. {
  2228. strcat(buf,str_pause);
  2229. digit_count=0;
  2230. }
  2231. AppendPhonemes(tr,phonemes,ph_size,buf);
  2232. p += wc_bytes;
  2233. continue;
  2234. }
  2235. else
  2236. {
  2237. digit_count = 0;
  2238. found = 0;
  2239. if(((ix = wc - tr->letter_bits_offset) >= 0) && (ix < 128))
  2240. {
  2241. if(tr->groups3[ix] != NULL)
  2242. {
  2243. MatchRule(tr, &p, p_start, wc_bytes, tr->groups3[ix], &match1, word_flags, dict_flags0);
  2244. found = 1;
  2245. }
  2246. }
  2247. if(!found && (n > 0))
  2248. {
  2249. /* there are some 2 byte chains for this initial letter */
  2250. c2 = p[1];
  2251. c12 = c + (c2 << 8); /* 2 characters */
  2252. g1 = tr->groups2_start[c];
  2253. for(g=g1; g < (g1+n); g++)
  2254. {
  2255. if(tr->groups2_name[g] == c12)
  2256. {
  2257. found = 1;
  2258. p2 = p;
  2259. MatchRule(tr, &p2, p_start, 2, tr->groups2[g], &match2, word_flags, dict_flags0);
  2260. if(match2.points > 0)
  2261. match2.points += 35; /* to acount for 2 letters matching */
  2262. /* now see whether single letter chain gives a better match ? */
  2263. MatchRule(tr, &p, p_start, 1, tr->groups1[c], &match1, word_flags, dict_flags0);
  2264. if(match2.points >= match1.points)
  2265. {
  2266. // use match from the 2-letter group
  2267. memcpy(&match1,&match2,sizeof(MatchRecord));
  2268. p = p2;
  2269. }
  2270. }
  2271. }
  2272. }
  2273. if(!found)
  2274. {
  2275. /* alphabetic, single letter chain */
  2276. if(tr->groups1[c] != NULL)
  2277. MatchRule(tr, &p, p_start, 1, tr->groups1[c], &match1, word_flags, dict_flags0);
  2278. else
  2279. {
  2280. // no group for this letter, use default group
  2281. MatchRule(tr, &p, p_start, 0, tr->groups1[0], &match1, word_flags, dict_flags0);
  2282. if((match1.points == 0) && ((option_sayas & 0x10) == 0))
  2283. {
  2284. n = utf8_in(&letter,p-1)-1;
  2285. if(tr->letter_bits_offset > 0)
  2286. {
  2287. // not a Latin alphabet, switch to the default Latin alphabet language
  2288. if((letter <= 0x241) && iswalpha2(letter))
  2289. {
  2290. sprintf(phonemes,"%c%s",phonSWITCH,tr->langopts.ascii_language);
  2291. return(0);
  2292. }
  2293. }
  2294. #ifdef deleted
  2295. // can't switch to a tone language, because the tone-phoneme numbers are not valid for the original language
  2296. if((letter >= 0x4e00) && (letter < 0xa000) && (tr->langopts.ideographs != 1))
  2297. {
  2298. // Chinese ideogram
  2299. sprintf(phonemes,"%czh",phonSWITCH);
  2300. return(0);
  2301. }
  2302. #endif
  2303. // is it a bracket ?
  2304. if(letter == 0xe000+'(')
  2305. {
  2306. if(pre_pause < tr->langopts.param2[LOPT_BRACKET_PAUSE])
  2307. pre_pause = tr->langopts.param2[LOPT_BRACKET_PAUSE]; // a bracket, aleady spoken by AnnouncePunctuation()
  2308. }
  2309. if(IsBracket(letter))
  2310. {
  2311. if(pre_pause < tr->langopts.param[LOPT_BRACKET_PAUSE])
  2312. pre_pause = tr->langopts.param[LOPT_BRACKET_PAUSE];
  2313. }
  2314. // no match, try removing the accent and re-translating the word
  2315. if((letter >= 0xc0) && (letter < N_REMOVE_ACCENT) && ((ix = remove_accent[letter-0xc0]) != 0))
  2316. {
  2317. // within range of the remove_accent table
  2318. if((p[-2] != ' ') || (p[n] != ' '))
  2319. {
  2320. // not the only letter in the word
  2321. p2 = p-1;
  2322. p[-1] = ix;
  2323. while((p[0] = p[n]) != ' ') p++;
  2324. while(n-- > 0) *p++ = ' '; // replacement character must be no longer than original
  2325. if(tr->langopts.param[LOPT_DIERESES] && (lookupwchar(diereses_list,letter) > 0))
  2326. {
  2327. // vowel with dieresis, replace and continue from this point
  2328. p = p2;
  2329. continue;
  2330. }
  2331. phonemes[0] = 0; // delete any phonemes which have been produced so far
  2332. p = p_start;
  2333. tr->word_vowel_count = 0;
  2334. tr->word_stressed_count = 0;
  2335. continue; // start again at the beginning of the word
  2336. }
  2337. }
  2338. if(((alphabet = AlphabetFromChar(letter)) != NULL) && (alphabet->offset != tr->letter_bits_offset))
  2339. {
  2340. if(tr->langopts.alt_alphabet == alphabet->offset)
  2341. {
  2342. sprintf(phonemes,"%c%s",phonSWITCH, WordToString2(tr->langopts.alt_alphabet_lang));
  2343. return(0);
  2344. }
  2345. if(alphabet->flags & AL_WORDS)
  2346. {
  2347. // switch to the nominated language for this alphabet
  2348. sprintf(phonemes,"%c%s",phonSWITCH, WordToString2(alphabet->language));
  2349. return(0);
  2350. }
  2351. }
  2352. }
  2353. }
  2354. if(match1.points == 0)
  2355. {
  2356. if((wc >= 0x300) && (wc <= 0x36f))
  2357. {
  2358. // combining accent inside a word, ignore
  2359. }
  2360. else if(IsAlpha(wc))
  2361. {
  2362. if((any_alpha > 1) || (p[wc_bytes-1] > ' '))
  2363. {
  2364. // an unrecognised character in a word, abort and then spell the word
  2365. phonemes[0] = 0;
  2366. if(dict_flags != NULL)
  2367. dict_flags[0] |= FLAG_SPELLWORD;
  2368. break;
  2369. }
  2370. }
  2371. else
  2372. {
  2373. LookupLetter(tr, wc, -1, ph_buf, 0);
  2374. if(ph_buf[0])
  2375. {
  2376. match1.phonemes = ph_buf;
  2377. match1.points = 1;
  2378. }
  2379. }
  2380. p += (wc_bytes-1);
  2381. }
  2382. else
  2383. {
  2384. tr->phonemes_repeat_count = 0;
  2385. }
  2386. }
  2387. }
  2388. if(match1.phonemes == NULL)
  2389. match1.phonemes = "";
  2390. if(match1.points > 0)
  2391. {
  2392. if(word_flags & FLAG_UNPRON_TEST)
  2393. return(match1.end_type | 1);
  2394. #ifdef deleted
  2395. // ?? allow $unpr while translating rules, not just on initial FLAG_UNPRON_TEST
  2396. if((match1.end_type & SUFX_UNPRON) && !(word_flags & FLAG_SUFFIX_REMOVED))
  2397. return(match1.end_type);
  2398. #endif
  2399. if((match1.phonemes[0] == phonSWITCH) && ((word_flags & FLAG_DONT_SWITCH_TRANSLATOR)==0))
  2400. {
  2401. // an instruction to switch language, return immediately so we can re-translate
  2402. strcpy(phonemes,match1.phonemes);
  2403. return(0);
  2404. }
  2405. match1.end_type &= ~SUFX_UNPRON;
  2406. if((match1.end_type != 0) && (end_phonemes != NULL))
  2407. {
  2408. /* a standard ending has been found, re-translate the word without it */
  2409. if((match1.end_type & SUFX_P) && (word_flags & FLAG_NO_PREFIX))
  2410. {
  2411. // ignore the match on a prefix
  2412. }
  2413. else
  2414. {
  2415. if((match1.end_type & SUFX_P) && ((match1.end_type & 0x7f) == 0))
  2416. {
  2417. // no prefix length specified
  2418. match1.end_type |= p - p_start;
  2419. }
  2420. strcpy(end_phonemes,match1.phonemes);
  2421. memcpy(p_start,word_copy,strlen(word_copy));
  2422. return(match1.end_type);
  2423. }
  2424. }
  2425. if(match1.del_fwd != NULL)
  2426. *match1.del_fwd = REPLACED_E;
  2427. AppendPhonemes(tr,phonemes,ph_size,match1.phonemes);
  2428. }
  2429. }
  2430. memcpy(p_start,word_copy,strlen(word_copy));
  2431. return(0);
  2432. } /* end of TranslateRules */
  2433. void ApplySpecialAttribute2(Translator *tr, char *phonemes, int dict_flags)
  2434. {//========================================================================
  2435. // apply after the translation is complete
  2436. int ix;
  2437. int len;
  2438. char *p;
  2439. len = strlen(phonemes);
  2440. if(tr->langopts.param[LOPT_ALT] & 2)
  2441. {
  2442. for(ix=0; ix<(len-1); ix++)
  2443. {
  2444. if(phonemes[ix] == phonSTRESS_P)
  2445. {
  2446. p = &phonemes[ix+1];
  2447. if((dict_flags & FLAG_ALT2_TRANS) != 0)
  2448. {
  2449. if(*p == PhonemeCode('E'))
  2450. *p = PhonemeCode('e');
  2451. if(*p == PhonemeCode('O'))
  2452. *p = PhonemeCode('o');
  2453. }
  2454. else
  2455. {
  2456. if(*p == PhonemeCode('e'))
  2457. *p = PhonemeCode('E');
  2458. if(*p == PhonemeCode('o'))
  2459. *p = PhonemeCode('O');
  2460. }
  2461. break;
  2462. }
  2463. }
  2464. }
  2465. } // end of ApplySpecialAttribute2
  2466. //=============================================================================================
  2467. // Look up a word in the pronunciation dictionary list
  2468. // - exceptions which override the usual pronunciation rules, or which give a word
  2469. // special properties, such as pronounce as unstressed
  2470. //=============================================================================================
  2471. int TransposeAlphabet(Translator *tr, char *text)
  2472. {//==============================================
  2473. // transpose cyrillic alphabet (for example) into ascii (single byte) character codes
  2474. // return: number of bytes, bit 6: 1=used compression
  2475. int c;
  2476. int c2;
  2477. int ix;
  2478. int offset;
  2479. int min;
  2480. int max;
  2481. const char *map;
  2482. char *p = text;
  2483. char *p2;
  2484. int all_alpha=1;
  2485. int bits;
  2486. int acc;
  2487. int pairs_start;
  2488. const short *pairs_list;
  2489. char buf[N_WORD_BYTES];
  2490. p2 = buf;
  2491. offset = tr->transpose_min - 1;
  2492. min = tr->transpose_min;
  2493. max = tr->transpose_max;
  2494. map = tr->transpose_map;
  2495. pairs_start = max - min + 2;
  2496. do {
  2497. p += utf8_in(&c,p);
  2498. if(c != 0)
  2499. {
  2500. if((c >= min) && (c <= max))
  2501. {
  2502. if(map == NULL)
  2503. {
  2504. *p2++ = c - offset;
  2505. }
  2506. else
  2507. {
  2508. // get the code from the transpose map
  2509. if(map[c - min] > 0)
  2510. {
  2511. *p2++ = map[c - min];
  2512. }
  2513. else
  2514. {
  2515. p2 += utf8_out(c,p2);
  2516. all_alpha=0;
  2517. }
  2518. }
  2519. }
  2520. else
  2521. {
  2522. p2 += utf8_out(c,p2);
  2523. all_alpha=0;
  2524. }
  2525. }
  2526. } while (c != 0);
  2527. *p2 = 0;
  2528. if(all_alpha)
  2529. {
  2530. // compress to 6 bits per character
  2531. acc=0;
  2532. bits=0;
  2533. p = buf;
  2534. p2 = buf;
  2535. while((c = *p++) != 0)
  2536. {
  2537. if((pairs_list = tr->frequent_pairs) != NULL)
  2538. {
  2539. c2 = c + (*p << 8);
  2540. for(ix=0; c2 >= pairs_list[ix]; ix++)
  2541. {
  2542. if(c2 == pairs_list[ix])
  2543. {
  2544. // found an encoding for a 2-character pair
  2545. c = ix + pairs_start; // 2-character codes start after the single letter codes
  2546. p++;
  2547. break;
  2548. }
  2549. }
  2550. }
  2551. acc = (acc << 6) + (c & 0x3f);
  2552. bits += 6;
  2553. if(bits >= 8)
  2554. {
  2555. bits -= 8;
  2556. *p2++ = (acc >> bits);
  2557. }
  2558. }
  2559. if(bits > 0)
  2560. {
  2561. *p2++ = (acc << (8-bits));
  2562. }
  2563. *p2 = 0;
  2564. ix = p2 - buf;
  2565. memcpy(text, buf, ix);
  2566. return(ix | 0x40); // bit 6 indicates compressed characters
  2567. }
  2568. else
  2569. {
  2570. return(strlen(text));
  2571. }
  2572. } // end of TransposeAlphabet
  2573. static const char *LookupDict2(Translator *tr, const char *word, const char *word2,
  2574. char *phonetic, unsigned int *flags, int end_flags, WORD_TAB *wtab)
  2575. //=====================================================================================
  2576. /* Find an entry in the word_dict file for a specified word.
  2577. Returns NULL if no match, else returns 'word_end'
  2578. word zero terminated word to match
  2579. word2 pointer to next word(s) in the input text (terminated by space)
  2580. flags: returns dictionary flags which are associated with a matched word
  2581. end_flags: indicates whether this is a retranslation after removing a suffix
  2582. */
  2583. {
  2584. char *p;
  2585. char *next;
  2586. int hash;
  2587. int phoneme_len;
  2588. int wlen;
  2589. unsigned char flag;
  2590. unsigned int dictionary_flags;
  2591. unsigned int dictionary_flags2;
  2592. int condition_failed=0;
  2593. int n_chars;
  2594. int no_phonemes;
  2595. int skipwords;
  2596. int ix;
  2597. int c;
  2598. const char *word_end;
  2599. const char *word1;
  2600. int wflags = 0;
  2601. int lookup_symbol;
  2602. char word_buf[N_WORD_BYTES+1];
  2603. char dict_flags_buf[80];
  2604. if(wtab != NULL)
  2605. {
  2606. wflags = wtab->flags;
  2607. }
  2608. lookup_symbol = flags[1] & FLAG_LOOKUP_SYMBOL;
  2609. word1 = word;
  2610. if(tr->transpose_min > 0)
  2611. {
  2612. strncpy0(word_buf,word, N_WORD_BYTES);
  2613. wlen = TransposeAlphabet(tr, word_buf);
  2614. word = word_buf;
  2615. }
  2616. else
  2617. {
  2618. wlen = strlen(word);
  2619. }
  2620. hash = HashDictionary(word);
  2621. p = tr->dict_hashtab[hash];
  2622. if(p == NULL)
  2623. {
  2624. if(flags != NULL)
  2625. *flags = 0;
  2626. return(0);
  2627. }
  2628. // Find the first entry in the list for this hash value which matches.
  2629. // This corresponds to the last matching entry in the *_list file.
  2630. while(*p != 0)
  2631. {
  2632. next = p + p[0];
  2633. if(((p[1] & 0x7f) != wlen) || (memcmp(word,&p[2],wlen & 0x3f) != 0))
  2634. {
  2635. // bit 6 of wlen indicates whether the word has been compressed; so we need to match on this also.
  2636. p = next;
  2637. continue;
  2638. }
  2639. /* found matching entry. Decode the phonetic string */
  2640. word_end = word2;
  2641. dictionary_flags = 0;
  2642. dictionary_flags2 = 0;
  2643. no_phonemes = p[1] & 0x80;
  2644. p += ((p[1] & 0x3f) + 2);
  2645. if(no_phonemes)
  2646. {
  2647. phonetic[0] = 0;
  2648. phoneme_len = 0;
  2649. }
  2650. else
  2651. {
  2652. strcpy(phonetic,p);
  2653. phoneme_len = strlen(p);
  2654. p += (phoneme_len + 1);
  2655. }
  2656. while(p < next)
  2657. {
  2658. // examine the flags which follow the phoneme string
  2659. flag = *p++;
  2660. if(flag >= 100)
  2661. {
  2662. // conditional rule
  2663. if(flag >= 132)
  2664. {
  2665. // fail if this condition is set
  2666. if((tr->dict_condition & (1 << (flag-132))) != 0)
  2667. condition_failed = 1;
  2668. }
  2669. else
  2670. {
  2671. // allow only if this condition is set
  2672. if((tr->dict_condition & (1 << (flag-100))) == 0)
  2673. condition_failed = 1;
  2674. }
  2675. }
  2676. else if(flag > 80)
  2677. {
  2678. // flags 81 to 90 match more than one word
  2679. // This comes after the other flags
  2680. n_chars = next - p;
  2681. skipwords = flag - 80;
  2682. // don't use the contraction if any of the words are emphasized
  2683. // or has an embedded command, such as MARK
  2684. if(wtab != NULL)
  2685. {
  2686. for(ix=0; ix <= skipwords; ix++)
  2687. {
  2688. if(wtab[ix].flags & FLAG_EMPHASIZED2)
  2689. // if(((wflags2 = wtab[ix].flags) & FLAG_EMPHASIZED2) || ((ix > 0) && (wflags2 & FLAG_EMBEDDED)))
  2690. {
  2691. condition_failed = 1;
  2692. }
  2693. }
  2694. }
  2695. if(memcmp(word2,p,n_chars) != 0)
  2696. condition_failed = 1;
  2697. if(condition_failed)
  2698. {
  2699. p = next;
  2700. break;
  2701. }
  2702. dictionary_flags |= FLAG_SKIPWORDS;
  2703. dictionary_skipwords = skipwords;
  2704. p = next;
  2705. word_end = word2 + n_chars;
  2706. }
  2707. else if(flag > 64)
  2708. {
  2709. // stressed syllable information, put in bits 0-3
  2710. dictionary_flags = (dictionary_flags & ~0xf) | (flag & 0xf);
  2711. if((flag & 0xc) == 0xc)
  2712. dictionary_flags |= FLAG_STRESS_END;
  2713. }
  2714. else if(flag >= 32)
  2715. {
  2716. dictionary_flags2 |= (1L << (flag-32));
  2717. }
  2718. else
  2719. {
  2720. dictionary_flags |= (1L << flag);
  2721. }
  2722. }
  2723. if(condition_failed)
  2724. {
  2725. condition_failed=0;
  2726. continue;
  2727. }
  2728. if((end_flags & FLAG_SUFX)==0)
  2729. {
  2730. // no suffix has been removed
  2731. if(dictionary_flags2 & FLAG_STEM)
  2732. continue; // this word must have a suffix
  2733. }
  2734. if((end_flags & SUFX_P) && (dictionary_flags2 & (FLAG_ONLY | FLAG_ONLY_S)))
  2735. continue; // $only or $onlys, don't match if a prefix has been removed
  2736. if(end_flags & FLAG_SUFX)
  2737. {
  2738. // a suffix was removed from the word
  2739. if(dictionary_flags2 & FLAG_ONLY)
  2740. continue; // no match if any suffix
  2741. if((dictionary_flags2 & FLAG_ONLY_S) && ((end_flags & FLAG_SUFX_S)==0))
  2742. {
  2743. // only a 's' suffix allowed, but the suffix wasn't 's'
  2744. continue;
  2745. }
  2746. }
  2747. if(dictionary_flags2 & FLAG_HYPHENATED)
  2748. {
  2749. if(!(wflags & FLAG_HYPHEN_AFTER))
  2750. {
  2751. continue;
  2752. }
  2753. }
  2754. if(dictionary_flags2 & FLAG_CAPITAL)
  2755. {
  2756. if(!(wflags & FLAG_FIRST_UPPER))
  2757. {
  2758. continue;
  2759. }
  2760. }
  2761. if(dictionary_flags2 & FLAG_ALLCAPS)
  2762. {
  2763. if(!(wflags & FLAG_ALL_UPPER))
  2764. {
  2765. continue;
  2766. }
  2767. }
  2768. if(dictionary_flags & FLAG_NEEDS_DOT)
  2769. {
  2770. if(!(wflags & FLAG_HAS_DOT))
  2771. continue;
  2772. }
  2773. if((dictionary_flags2 & FLAG_ATEND) && (word_end < translator->clause_end) && (lookup_symbol==0))
  2774. {
  2775. // only use this pronunciation if it's the last word of the clause, or called from Lookup()
  2776. continue;
  2777. }
  2778. if((dictionary_flags2 & FLAG_ATSTART) && !(wtab->flags & FLAG_FIRST_WORD))
  2779. {
  2780. // only use this pronunciation if it's the first word of a clause
  2781. continue;
  2782. }
  2783. if((dictionary_flags2 & FLAG_SENTENCE) && !(translator->clause_terminator & CLAUSE_BIT_SENTENCE))
  2784. {
  2785. // only if this clause is a sentence , i.e. terminator is {. ? !} not {, : :}
  2786. continue;
  2787. }
  2788. if(dictionary_flags2 & FLAG_VERB)
  2789. {
  2790. // this is a verb-form pronunciation
  2791. if(tr->expect_verb || (tr->expect_verb_s && (end_flags & FLAG_SUFX_S)))
  2792. {
  2793. // OK, we are expecting a verb
  2794. if((tr->translator_name == L('e','n')) && (tr->prev_dict_flags[0] & FLAG_ALT6_TRANS) && (end_flags & FLAG_SUFX_S))
  2795. {
  2796. // lang=en, don't use verb form after 'to' if the word has 's' suffix
  2797. continue;
  2798. }
  2799. }
  2800. else
  2801. {
  2802. /* don't use the 'verb' pronunciation unless we are
  2803. expecting a verb */
  2804. continue;
  2805. }
  2806. }
  2807. if(dictionary_flags2 & FLAG_PAST)
  2808. {
  2809. if(!tr->expect_past)
  2810. {
  2811. /* don't use the 'past' pronunciation unless we are
  2812. expecting past tense */
  2813. continue;
  2814. }
  2815. }
  2816. if(dictionary_flags2 & FLAG_NOUN)
  2817. {
  2818. if((!tr->expect_noun) || (end_flags & SUFX_V))
  2819. {
  2820. /* don't use the 'noun' pronunciation unless we are
  2821. expecting a noun */
  2822. continue;
  2823. }
  2824. }
  2825. if(dictionary_flags2 & FLAG_NATIVE)
  2826. {
  2827. if(tr != translator)
  2828. continue; // don't use if we've switched translators
  2829. }
  2830. if(dictionary_flags & FLAG_ALT2_TRANS)
  2831. {
  2832. // language specific
  2833. if((tr->translator_name == L('h','u')) && !(tr->prev_dict_flags[0] & FLAG_ALT_TRANS))
  2834. continue;
  2835. }
  2836. if(flags != NULL)
  2837. {
  2838. flags[0] = dictionary_flags | FLAG_FOUND_ATTRIBUTES;
  2839. flags[1] = dictionary_flags2;
  2840. }
  2841. if(phoneme_len == 0)
  2842. {
  2843. if(option_phonemes == 2)
  2844. {
  2845. print_dictionary_flags(flags, dict_flags_buf, sizeof(dict_flags_buf));
  2846. fprintf(f_trans,"Flags: %s %s\n", word1, dict_flags_buf);
  2847. }
  2848. return(0); // no phoneme translation found here, only flags. So use rules
  2849. }
  2850. if(flags != NULL)
  2851. flags[0] |= FLAG_FOUND; // this flag indicates word was found in dictionary
  2852. if(option_phonemes == 2)
  2853. {
  2854. char ph_decoded[N_WORD_PHONEMES];
  2855. int textmode;
  2856. DecodePhonemes(phonetic,ph_decoded);
  2857. if((dictionary_flags & FLAG_TEXTMODE) == 0)
  2858. textmode = 0;
  2859. else
  2860. textmode = 1;
  2861. if(textmode == translator->langopts.textmode)
  2862. {
  2863. // only show this line if the word translates to phonemes, not replacement text
  2864. if((dictionary_flags & FLAG_SKIPWORDS) && (wtab != NULL))
  2865. {
  2866. // matched more than one word
  2867. // (check for wtab prevents showing RULE_SPELLING byte when speaking individual letters)
  2868. memcpy(word_buf,word2,word_end-word2);
  2869. word_buf[word_end-word2-1] = 0;
  2870. fprintf(f_trans,"Found: '%s %s\n",word1,word_buf);
  2871. }
  2872. else
  2873. {
  2874. fprintf(f_trans,"Found: '%s",word1);
  2875. }
  2876. print_dictionary_flags(flags, dict_flags_buf, sizeof(dict_flags_buf));
  2877. fprintf(f_trans,"' [%s] %s\n", ph_decoded,dict_flags_buf);
  2878. }
  2879. }
  2880. ix = utf8_in(&c, word);
  2881. if((word[ix] == 0) && !IsAlpha(c))
  2882. {
  2883. flags[0] |= FLAG_MAX3;
  2884. }
  2885. return(word_end);
  2886. }
  2887. return(0);
  2888. } // end of LookupDict2
  2889. int LookupDictList(Translator *tr, char **wordptr, char *ph_out, unsigned int *flags, int end_flags, WORD_TAB *wtab)
  2890. //==================================================================================================================
  2891. /* Lookup a specified word in the word dictionary.
  2892. Returns phonetic data in 'phonetic' and bits in 'flags'
  2893. end_flags: indicates if a suffix has been removed
  2894. */
  2895. {
  2896. int length;
  2897. const char *found;
  2898. const char *word1;
  2899. const char *word2;
  2900. unsigned char c;
  2901. int nbytes;
  2902. int len;
  2903. char word[N_WORD_BYTES];
  2904. static char word_replacement[N_WORD_BYTES];
  2905. length = 0;
  2906. word2 = word1 = *wordptr;
  2907. while((word2[nbytes = utf8_nbytes(word2)]==' ') && (word2[nbytes+1]=='.'))
  2908. {
  2909. // look for an abbreviation of the form a.b.c
  2910. // try removing the spaces between the dots and looking for a match
  2911. memcpy(&word[length],word2,nbytes);
  2912. length += nbytes;
  2913. word[length++] = '.';
  2914. word2 += nbytes+3;
  2915. }
  2916. if(length > 0)
  2917. {
  2918. // found an abbreviation containing dots
  2919. nbytes = 0;
  2920. while(((c = word2[nbytes]) != 0) && (c != ' '))
  2921. {
  2922. nbytes++;
  2923. }
  2924. memcpy(&word[length],word2,nbytes);
  2925. word[length+nbytes] = 0;
  2926. found = LookupDict2(tr, word, word2, ph_out, flags, end_flags, wtab);
  2927. if(found)
  2928. {
  2929. // set the skip words flag
  2930. flags[0] |= FLAG_SKIPWORDS;
  2931. dictionary_skipwords = length;
  2932. return(1);
  2933. }
  2934. }
  2935. for(length=0; length<(N_WORD_BYTES-1); length++)
  2936. {
  2937. if(((c = *word1++)==0) || (c == ' '))
  2938. break;
  2939. if((c=='.') && (length > 0) && (IsDigit09(word[length-1])))
  2940. break; // needed for lang=hu, eg. "december 2.-ig"
  2941. word[length] = c;
  2942. }
  2943. word[length] = 0;
  2944. found = LookupDict2(tr, word, word1, ph_out, flags, end_flags, wtab);
  2945. if(flags[0] & FLAG_MAX3)
  2946. {
  2947. if(strcmp(ph_out, tr->phonemes_repeat) == 0)
  2948. {
  2949. tr->phonemes_repeat_count++;
  2950. if(tr->phonemes_repeat_count > 3)
  2951. {
  2952. ph_out[0] = 0;
  2953. }
  2954. }
  2955. else
  2956. {
  2957. strncpy0(tr->phonemes_repeat, ph_out, sizeof(tr->phonemes_repeat));
  2958. tr->phonemes_repeat_count = 1;
  2959. }
  2960. }
  2961. else
  2962. {
  2963. tr->phonemes_repeat_count = 0;
  2964. }
  2965. if((found == 0) && (flags[1] & FLAG_ACCENT))
  2966. {
  2967. int letter;
  2968. word2 = word;
  2969. if(*word2 == '_') word2++;
  2970. len = utf8_in(&letter, word2);
  2971. LookupAccentedLetter(tr,letter, ph_out);
  2972. found = word2 + len;
  2973. }
  2974. if(found == 0)
  2975. {
  2976. ph_out[0] = 0;
  2977. // try modifications to find a recognised word
  2978. if((end_flags & FLAG_SUFX_E_ADDED) && (word[length-1] == 'e'))
  2979. {
  2980. // try removing an 'e' which has been added by RemoveEnding
  2981. word[length-1] = 0;
  2982. found = LookupDict2(tr, word, word1, ph_out, flags, end_flags, wtab);
  2983. }
  2984. else if((end_flags & SUFX_D) && (word[length-1] == word[length-2]))
  2985. {
  2986. // try removing a double letter
  2987. word[length-1] = 0;
  2988. found = LookupDict2(tr, word, word1, ph_out, flags, end_flags, wtab);
  2989. }
  2990. }
  2991. if(found)
  2992. {
  2993. // if textmode is the default, then words which have phonemes are marked.
  2994. if(tr->langopts.textmode)
  2995. *flags ^= FLAG_TEXTMODE;
  2996. if(*flags & FLAG_TEXTMODE)
  2997. {
  2998. // the word translates to replacement text, not to phonemes
  2999. if(end_flags & FLAG_ALLOW_TEXTMODE)
  3000. {
  3001. // only use replacement text if this is the original word, not if a prefix or suffix has been removed
  3002. word_replacement[0] = 0;
  3003. word_replacement[1] = ' ';
  3004. sprintf(&word_replacement[2],"%s ",ph_out); // replacement word, preceded by zerochar and space
  3005. word1 = *wordptr;
  3006. *wordptr = &word_replacement[2];
  3007. if(option_phonemes == 2)
  3008. {
  3009. len = found - word1;
  3010. memcpy(word,word1,len); // include multiple matching words
  3011. word[len] = 0;
  3012. fprintf(f_trans,"Replace: %s %s\n",word,*wordptr);
  3013. }
  3014. }
  3015. else
  3016. {
  3017. // flags[0] &= ~FLAG_SKIPWORDS; // check lang=hu január 21.-ig (error: suffix repeated ??)
  3018. }
  3019. ph_out[0] = 0;
  3020. return(0);
  3021. }
  3022. return(1);
  3023. }
  3024. ph_out[0] = 0;
  3025. return(0);
  3026. } // end of LookupDictList
  3027. extern char word_phonemes[N_WORD_PHONEMES]; // a word translated into phoneme codes
  3028. int Lookup(Translator *tr, const char *word, char *ph_out)
  3029. {//===================================================
  3030. int found;
  3031. unsigned int flags[2];
  3032. int say_as;
  3033. char *word1 = (char *)word;
  3034. char text[80];
  3035. flags[0] = 0;
  3036. flags[1] = FLAG_LOOKUP_SYMBOL;
  3037. found = LookupDictList(tr, &word1, ph_out, flags, FLAG_ALLOW_TEXTMODE, NULL);
  3038. if(flags[0] & FLAG_TEXTMODE)
  3039. {
  3040. say_as = option_sayas;
  3041. option_sayas = 0; // don't speak replacement word as letter names
  3042. text[0] = 0;
  3043. strncpy0(&text[1], word1, sizeof(text));
  3044. found = TranslateWord(tr, &text[1], 0, NULL, NULL);
  3045. strcpy(ph_out, word_phonemes);
  3046. option_sayas = say_as;
  3047. }
  3048. return(found);
  3049. }
  3050. int LookupFlags(Translator *tr, const char *word)
  3051. {//==============================================
  3052. char buf[100];
  3053. static unsigned int flags[2];
  3054. char *word1 = (char *)word;
  3055. flags[0] = flags[1] = 0;
  3056. LookupDictList(tr, &word1, buf, flags, 0, NULL);
  3057. return(flags[0]);
  3058. }
  3059. int RemoveEnding(Translator *tr, char *word, int end_type, char *word_copy)
  3060. {//========================================================================
  3061. /* Removes a standard suffix from a word, once it has been indicated by the dictionary rules.
  3062. end_type: bits 0-6 number of letters
  3063. bits 8-14 suffix flags
  3064. word_copy: make a copy of the original word
  3065. This routine is language specific. In English it deals with reversing y->i and e-dropping
  3066. that were done when the suffix was added to the original word.
  3067. */
  3068. int i;
  3069. char *word_end;
  3070. int len_ending;
  3071. int end_flags;
  3072. const char *p;
  3073. int len;
  3074. static char ending[12];
  3075. // these lists are language specific, but are only relevent if the 'e' suffix flag is used
  3076. static const char *add_e_exceptions[] = {
  3077. "ion", NULL
  3078. };
  3079. static const char *add_e_additions[] = {
  3080. // "c", "rs", "ir", "ur", "ath", "ns", "lu", NULL };
  3081. "c", "rs", "ir", "ur", "ath", "ns", "u", NULL
  3082. };
  3083. for(word_end = word; *word_end != ' '; word_end++)
  3084. {
  3085. /* replace discarded 'e's */
  3086. if(*word_end == REPLACED_E)
  3087. *word_end = 'e';
  3088. }
  3089. i = word_end - word;
  3090. if(word_copy != NULL)
  3091. {
  3092. memcpy(word_copy,word,i);
  3093. word_copy[i] = 0;
  3094. }
  3095. // look for multibyte characters to increase the number of bytes to remove
  3096. for(len_ending = i = (end_type & 0x3f); i>0 ; i--) // num.of characters of the suffix
  3097. {
  3098. word_end--;
  3099. while((*word_end & 0xc0) == 0x80)
  3100. {
  3101. word_end--; // for multibyte characters
  3102. len_ending++;
  3103. }
  3104. }
  3105. // remove bytes from the end of the word and replace them by spaces
  3106. for(i=0; i<len_ending; i++)
  3107. {
  3108. ending[i] = word_end[i];
  3109. word_end[i] = ' ';
  3110. }
  3111. ending[i] = 0;
  3112. word_end--; /* now pointing at last character of stem */
  3113. end_flags = (end_type & 0xfff0) | FLAG_SUFX;
  3114. /* add an 'e' to the stem if appropriate,
  3115. if stem ends in vowel+consonant
  3116. or stem ends in 'c' (add 'e' to soften it) */
  3117. if(end_type & SUFX_I)
  3118. {
  3119. if(word_end[0] == 'i')
  3120. word_end[0] = 'y';
  3121. }
  3122. if(end_type & SUFX_E)
  3123. {
  3124. if(tr->translator_name == L('n','l'))
  3125. {
  3126. if(((word_end[0] & 0x80) == 0) && ((word_end[-1] & 0x80) == 0) && IsVowel(tr, word_end[-1]) && IsLetter(tr, word_end[0], LETTERGP_C) && !IsVowel(tr, word_end[-2]))
  3127. {
  3128. //double the vowel before the (ascii) final consonant
  3129. word_end[1] = word_end[0];
  3130. word_end[0] = word_end[-1];
  3131. word_end[2] = ' ';
  3132. }
  3133. }
  3134. else if(tr->translator_name == L('e','n'))
  3135. {
  3136. // add 'e' to end of stem
  3137. if(IsLetter(tr, word_end[-1],LETTERGP_VOWEL2) && IsLetter(tr, word_end[0],1))
  3138. {
  3139. // vowel(incl.'y') + hard.consonant
  3140. for(i=0; (p = add_e_exceptions[i]) != NULL; i++)
  3141. {
  3142. len = strlen(p);
  3143. if(memcmp(p,&word_end[1-len],len)==0)
  3144. {
  3145. break;
  3146. }
  3147. }
  3148. if(p == NULL)
  3149. end_flags |= FLAG_SUFX_E_ADDED; // no exception found
  3150. }
  3151. else
  3152. {
  3153. for(i=0; (p = add_e_additions[i]) != NULL; i++)
  3154. {
  3155. len = strlen(p);
  3156. if(memcmp(p,&word_end[1-len],len)==0)
  3157. {
  3158. end_flags |= FLAG_SUFX_E_ADDED;
  3159. break;
  3160. }
  3161. }
  3162. }
  3163. }
  3164. else if(tr->langopts.suffix_add_e != 0)
  3165. {
  3166. end_flags |= FLAG_SUFX_E_ADDED;
  3167. }
  3168. if(end_flags & FLAG_SUFX_E_ADDED)
  3169. {
  3170. utf8_out(tr->langopts.suffix_add_e, &word_end[1]);
  3171. if(option_phonemes == 2)
  3172. {
  3173. fprintf(f_trans,"add e\n");
  3174. }
  3175. }
  3176. }
  3177. if((end_type & SUFX_V) && (tr->expect_verb==0))
  3178. tr->expect_verb = 1; // this suffix indicates the verb pronunciation
  3179. if((strcmp(ending,"s")==0) || (strcmp(ending,"es")==0))
  3180. end_flags |= FLAG_SUFX_S;
  3181. // if(strcmp(ending,"'s")==0)
  3182. if(ending[0] == '\'')
  3183. end_flags &= ~FLAG_SUFX; // don't consider 's as an added suffix
  3184. return(end_flags);
  3185. } /* end of RemoveEnding */