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- /*
- * Copyright (C) 2005 to 2014 by Jonathan Duddington
- * email: jonsd@users.sourceforge.net
- * Copyright (C) 2013-2017 Reece H. Dunn
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see: <http://www.gnu.org/licenses/>.
- */
- #include "config.h"
- #include <ctype.h>
- #include <stdint.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <wctype.h>
- #include <wchar.h>
- #include "espeak_ng.h"
- #include "speak_lib.h"
- #include "encoding.h"
- #include "speech.h"
- #include "synthesize.h"
- #include "translate.h"
- int dictionary_skipwords;
- char dictionary_name[40];
- extern void print_dictionary_flags(unsigned int *flags, char *buf, int buf_len);
- extern char *DecodeRule(const char *group_chars, int group_length, char *rule, int control);
- // accented characters which indicate (in some languages) the start of a separate syllable
- static const unsigned short diereses_list[7] = { 0xe4, 0xeb, 0xef, 0xf6, 0xfc, 0xff, 0 };
- // convert characters to an approximate 7 bit ascii equivalent
- // used for checking for vowels (up to 0x259=schwa)
- #define N_REMOVE_ACCENT 0x25e
- static unsigned char remove_accent[N_REMOVE_ACCENT] = {
- 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'c', 'e', 'e', 'e', 'e', 'i', 'i', 'i', 'i', // 0c0
- 'd', 'n', 'o', 'o', 'o', 'o', 'o', 0, 'o', 'u', 'u', 'u', 'u', 'y', 't', 's', // 0d0
- 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'c', 'e', 'e', 'e', 'e', 'i', 'i', 'i', 'i', // 0e0
- 'd', 'n', 'o', 'o', 'o', 'o', 'o', 0, 'o', 'u', 'u', 'u', 'u', 'y', 't', 'y', // 0f0
- 'a', 'a', 'a', 'a', 'a', 'a', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'd', 'd', // 100
- 'd', 'd', 'e', 'e', 'e', 'e', 'e', 'e', 'e', 'e', 'e', 'e', 'g', 'g', 'g', 'g', // 110
- 'g', 'g', 'g', 'g', 'h', 'h', 'h', 'h', 'i', 'i', 'i', 'i', 'i', 'i', 'i', 'i', // 120
- 'i', 'i', 'i', 'i', 'j', 'j', 'k', 'k', 'k', 'l', 'l', 'l', 'l', 'l', 'l', 'l', // 130
- 'l', 'l', 'l', 'n', 'n', 'n', 'n', 'n', 'n', 'n', 'n', 'n', 'o', 'o', 'o', 'o', // 140
- 'o', 'o', 'o', 'o', 'r', 'r', 'r', 'r', 'r', 'r', 's', 's', 's', 's', 's', 's', // 150
- 's', 's', 't', 't', 't', 't', 't', 't', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', // 160
- 'u', 'u', 'u', 'u', 'w', 'w', 'y', 'y', 'y', 'z', 'z', 'z', 'z', 'z', 'z', 's', // 170
- 'b', 'b', 'b', 'b', 0, 0, 'o', 'c', 'c', 'd', 'd', 'd', 'd', 'd', 'e', 'e', // 180
- 'e', 'f', 'f', 'g', 'g', 'h', 'i', 'i', 'k', 'k', 'l', 'l', 'm', 'n', 'n', 'o', // 190
- 'o', 'o', 'o', 'o', 'p', 'p', 'y', 0, 0, 's', 's', 't', 't', 't', 't', 'u', // 1a0
- 'u', 'u', 'v', 'y', 'y', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 0, 0, 0, 'w', // 1b0
- 't', 't', 't', 'k', 'd', 'd', 'd', 'l', 'l', 'l', 'n', 'n', 'n', 'a', 'a', 'i', // 1c0
- 'i', 'o', 'o', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'e', 'a', 'a', // 1d0
- 'a', 'a', 'a', 'a', 'g', 'g', 'g', 'g', 'k', 'k', 'o', 'o', 'o', 'o', 'z', 'z', // 1e0
- 'j', 'd', 'd', 'd', 'g', 'g', 'w', 'w', 'n', 'n', 'a', 'a', 'a', 'a', 'o', 'o', // 1f0
- 'a', 'a', 'a', 'a', 'e', 'e', 'e', 'e', 'i', 'i', 'i', 'i', 'o', 'o', 'o', 'o', // 200
- 'r', 'r', 'r', 'r', 'u', 'u', 'u', 'u', 's', 's', 't', 't', 'y', 'y', 'h', 'h', // 210
- 'n', 'd', 'o', 'o', 'z', 'z', 'a', 'a', 'e', 'e', 'o', 'o', 'o', 'o', 'o', 'o', // 220
- 'o', 'o', 'y', 'y', 'l', 'n', 't', 'j', 'd', 'q', 'a', 'c', 'c', 'l', 't', 's', // 230
- 'z', 0, 0, 'b', 'u', 'v', 'e', 'e', 'j', 'j', 'q', 'q', 'r', 'r', 'y', 'y', // 240
- 'a', 'a', 'a', 'b', 'o', 'c', 'd', 'd', 'e', 'e', 'e', 'e', 'e', 'e'
- };
- #pragma GCC visibility push(default)
- void strncpy0(char *to, const char *from, int size)
- {
- // strcpy with limit, ensures a zero terminator
- strncpy(to, from, size);
- to[size-1] = 0;
- }
- #pragma GCC visibility pop
- static void InitGroups(Translator *tr)
- {
- // Called after dictionary 1 is loaded, to set up table of entry points for translation rule chains
- // for single-letters and two-letter combinations
- int ix;
- char *p;
- char *p_name;
- unsigned char c, c2;
- int len;
- tr->n_groups2 = 0;
- for (ix = 0; ix < 256; ix++) {
- tr->groups1[ix] = NULL;
- tr->groups2_count[ix] = 0;
- tr->groups2_start[ix] = 255; // indicates "not set"
- }
- memset(tr->letterGroups, 0, sizeof(tr->letterGroups));
- memset(tr->groups3, 0, sizeof(tr->groups3));
- p = tr->data_dictrules;
- while (*p != 0) {
- if (*p != RULE_GROUP_START) {
- fprintf(stderr, "Bad rules data in '%s_dict' at 0x%x\n", dictionary_name, (unsigned int)(p - tr->data_dictrules));
- break;
- }
- p++;
- if (p[0] == RULE_REPLACEMENTS) {
- //(unsigned int *)pw = (unsigned int *)(((intptr_t)p+4) & ~3); // advance to next word boundary
- p += 4;
- while ((size_t)p % 4 > 0) { p --; }
-
- tr->langopts.replace_chars = (unsigned int *) p;
-
- int i32 = get_set_int32_le (p);
- while (i32 != 0) {
- p += 4;
- get_set_int32_le (p);
- p += 4;
- i32 = get_set_int32_le (p);
- }
- p += 4;
- continue;
- }
- if (p[0] == RULE_LETTERGP2) {
- ix = p[1] - 'A';
- if (ix < 0)
- ix += 256;
- p += 2;
- if ((ix >= 0) && (ix < N_LETTER_GROUPS))
- tr->letterGroups[ix] = p;
- } else {
- len = strlen(p);
- p_name = p;
- c = p_name[0];
- c2 = p_name[1];
- p += (len+1);
- if (len == 1)
- tr->groups1[c] = p;
- else if (len == 0)
- tr->groups1[0] = p;
- else if (c == 1) {
- // index by offset from letter base
- tr->groups3[c2 - 1] = p;
- } else {
- if (tr->groups2_start[c] == 255)
- tr->groups2_start[c] = tr->n_groups2;
- tr->groups2_count[c]++;
- tr->groups2[tr->n_groups2] = p;
- tr->groups2_name[tr->n_groups2++] = (c + (c2 << 8));
- }
- }
- // skip over all the rules in this group
- while (*p != RULE_GROUP_END)
- p += (strlen(p) + 1);
- p++;
- }
- }
- int LoadDictionary(Translator *tr, const char *name, int no_error)
- {
- int hash;
- char *p;
- int length;
- FILE *f;
- int size;
- char fname[sizeof(path_home)+20];
- strncpy(dictionary_name, name, 40); // currently loaded dictionary name
- strncpy(tr->dictionary_name, name, 40);
- // Load a pronunciation data file into memory
- // bytes 0-3: offset to rules data
- // bytes 4-7: number of hash table entries
- sprintf(fname, "%s%c%s_dict", path_home, PATHSEP, name);
- size = GetFileLength(fname);
- if (tr->data_dictlist != NULL) {
- free(tr->data_dictlist);
- tr->data_dictlist = NULL;
- }
- f = fopen(fname, "rb");
- if ((f == NULL) || (size <= 0)) {
- if (no_error == 0)
- fprintf(stderr, "Can't read dictionary file: '%s'\n", fname);
- if (f != NULL)
- fclose(f);
- return 1;
- }
- if ((tr->data_dictlist = (char *) malloc(size)) == NULL) {
- fclose(f);
- return 3;
- }
- size = fread(tr->data_dictlist, 1, size, f);
- fclose(f);
- int hash_number = get_int32_le (tr->data_dictlist);
- length = get_int32_le (tr->data_dictlist + 4);
- if (size <= (N_HASH_DICT + sizeof(int)*2)) {
- fprintf(stderr, "Empty _dict file: '%s\n", fname);
- return 2;
- }
- if ((hash_number != N_HASH_DICT) ||
- (length <= 0) || (length > 0x8000000)) {
- fprintf(stderr, "Bad data: '%s' (%x length=%x)\n", fname, hash_number, length);
- return 2;
- }
- tr->data_dictrules = &(tr->data_dictlist[length]);
- // set up indices into data_dictrules
- InitGroups(tr);
- // set up hash table for data_dictlist
- p = &(tr->data_dictlist[8]);
- for (hash = 0; hash < N_HASH_DICT; hash++) {
- tr->dict_hashtab[hash] = p;
- while ((length = *(uint8_t *)p) != 0)
- p += length;
- p++; // skip over the zero which terminates the list for this hash value
- }
- if ((tr->dict_min_size > 0) && (size < (unsigned int)tr->dict_min_size))
- fprintf(stderr, "Full dictionary is not installed for '%s'\n", name);
- return 0;
- }
- /* Generate a hash code from the specified string
- This is used to access the dictionary_2 word-lookup dictionary
- */
- int HashDictionary(const char *string)
- {
- int c;
- int chars = 0;
- int hash = 0;
- while ((c = (*string++ & 0xff)) != 0) {
- hash = hash * 8 + c;
- hash = (hash & 0x3ff) ^ (hash >> 8); // exclusive or
- chars++;
- }
- return (hash+chars) & 0x3ff; // a 10 bit hash code
- }
- /* Translate a phoneme string from ascii mnemonics to internal phoneme numbers,
- from 'p' up to next blank .
- Returns advanced 'p'
- outptr contains encoded phonemes, unrecognized phoneme stops the encoding
- bad_phoneme must point to char array of length 2 of more
- */
- const char *EncodePhonemes(const char *p, char *outptr, int *bad_phoneme)
- {
- int ix;
- unsigned char c;
- int count; // num. of matching characters
- int max; // highest num. of matching found so far
- int max_ph; // corresponding phoneme with highest matching
- int consumed;
- unsigned int mnemonic_word;
- if (bad_phoneme != NULL)
- *bad_phoneme = 0;
- // skip initial blanks
- while ((uint8_t)*p < 0x80 && isspace(*p))
- p++;
- while (((c = *p) != 0) && !isspace(c)) {
- consumed = 0;
- switch (c)
- {
- case '|':
- // used to separate phoneme mnemonics if needed, to prevent characters being treated
- // as a multi-letter mnemonic
- if ((c = p[1]) == '|') {
- // treat double || as a word-break symbol, drop through
- // to the default case with c = '|'
- } else {
- p++;
- break;
- }
- default:
- // lookup the phoneme mnemonic, find the phoneme with the highest number of
- // matching characters
- max = -1;
- max_ph = 0;
- for (ix = 1; ix < n_phoneme_tab; ix++) {
- if (phoneme_tab[ix] == NULL)
- continue;
- if (phoneme_tab[ix]->type == phINVALID)
- continue; // this phoneme is not defined for this language
- count = 0;
- mnemonic_word = phoneme_tab[ix]->mnemonic;
- while (((c = p[count]) > ' ') && (count < 4) &&
- (c == ((mnemonic_word >> (count*8)) & 0xff)))
- count++;
- if ((count > max) &&
- ((count == 4) || (((mnemonic_word >> (count*8)) & 0xff) == 0))) {
- max = count;
- max_ph = phoneme_tab[ix]->code;
- }
- }
- if (max_ph == 0) {
- // not recognised, report and ignore
- if (bad_phoneme != NULL)
- utf8_in(bad_phoneme, p);
- *outptr++ = 0;
- return p+1;
- }
- if (max <= 0)
- max = 1;
- p += (consumed + max);
- *outptr++ = (char)(max_ph);
- if (max_ph == phonSWITCH) {
- // Switch Language: this phoneme is followed by a text string
- char *p_lang = outptr;
- while (!isspace(c = *p) && (c != 0)) {
- p++;
- *outptr++ = tolower(c);
- }
- *outptr = 0;
- if (c == 0) {
- if (strcmp(p_lang, "en") == 0) {
- *p_lang = 0; // don't need "en", it's assumed by default
- return p;
- }
- } else
- *outptr++ = '|'; // more phonemes follow, terminate language string with separator
- }
- break;
- }
- }
- // terminate the encoded string
- *outptr = 0;
- return p;
- }
- void DecodePhonemes(const char *inptr, char *outptr)
- {
- // Translate from internal phoneme codes into phoneme mnemonics
- unsigned char phcode;
- unsigned char c;
- unsigned int mnem;
- PHONEME_TAB *ph;
- static const char *stress_chars = "==,,'* ";
- sprintf(outptr, "* ");
- while ((phcode = *inptr++) > 0) {
- if (phcode == 255)
- continue; // indicates unrecognised phoneme
- if ((ph = phoneme_tab[phcode]) == NULL)
- continue;
- if ((ph->type == phSTRESS) && (ph->std_length <= 4) && (ph->program == 0)) {
- if (ph->std_length > 1)
- *outptr++ = stress_chars[ph->std_length];
- } else {
- mnem = ph->mnemonic;
- while ((c = (mnem & 0xff)) != 0) {
- *outptr++ = c;
- mnem = mnem >> 8;
- }
- if (phcode == phonSWITCH) {
- while (isalpha(*inptr))
- *outptr++ = *inptr++;
- }
- }
- }
- *outptr = 0; // string terminator
- }
- // using Kirschenbaum to IPA translation, ascii 0x20 to 0x7f
- unsigned short ipa1[96] = {
- 0x20, 0x21, 0x22, 0x2b0, 0x24, 0x25, 0x0e6, 0x2c8, 0x28, 0x29, 0x27e, 0x2b, 0x2cc, 0x2d, 0x2e, 0x2f,
- 0x252, 0x31, 0x32, 0x25c, 0x34, 0x35, 0x36, 0x37, 0x275, 0x39, 0x2d0, 0x2b2, 0x3c, 0x3d, 0x3e, 0x294,
- 0x259, 0x251, 0x3b2, 0xe7, 0xf0, 0x25b, 0x46, 0x262, 0x127, 0x26a, 0x25f, 0x4b, 0x26b, 0x271, 0x14b, 0x254,
- 0x3a6, 0x263, 0x280, 0x283, 0x3b8, 0x28a, 0x28c, 0x153, 0x3c7, 0xf8, 0x292, 0x32a, 0x5c, 0x5d, 0x5e, 0x5f,
- 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x261, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
- 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x303, 0x7f
- };
- #define N_PHON_OUT 500 // realloc increment
- static char *phon_out_buf = NULL; // passes the result of GetTranslatedPhonemeString()
- static unsigned int phon_out_size = 0;
- char *WritePhMnemonic(char *phon_out, PHONEME_TAB *ph, PHONEME_LIST *plist, int use_ipa, int *flags)
- {
- int c;
- int mnem;
- int len;
- int first;
- int ix = 0;
- char *p;
- PHONEME_DATA phdata;
- if (ph->code == phonEND_WORD) {
- // ignore
- phon_out[0] = 0;
- return phon_out;
- }
- if (ph->code == phonSWITCH) {
- // the tone_ph field contains a phoneme table number
- p = phoneme_tab_list[plist->tone_ph].name;
- sprintf(phon_out, "(%s)", p);
- return phon_out + strlen(phon_out);
- }
- if (use_ipa) {
- // has an ipa name been defined for this phoneme ?
- phdata.ipa_string[0] = 0;
- if (plist == NULL)
- InterpretPhoneme2(ph->code, &phdata);
- else
- InterpretPhoneme(NULL, 0, plist, &phdata, NULL);
- p = phdata.ipa_string;
- if (*p == 0x20) {
- // indicates no name for this phoneme
- *phon_out = 0;
- return phon_out;
- }
- if ((*p != 0) && ((*p & 0xff) < 0x20)) {
- // name starts with a flags byte
- if (flags != NULL)
- *flags = *p;
- p++;
- }
- len = strlen(p);
- if (len > 0) {
- strcpy(phon_out, p);
- phon_out += len;
- *phon_out = 0;
- return phon_out;
- }
- }
- first = 1;
- for (mnem = ph->mnemonic; (c = mnem & 0xff) != 0; mnem = mnem >> 8) {
- if ((c == '/') && (option_phoneme_variants == 0))
- break; // discard phoneme variant indicator
- if (use_ipa) {
- // convert from ascii to ipa
- if (first && (c == '_'))
- break; // don't show pause phonemes
- if ((c == '#') && (ph->type == phVOWEL))
- break; // # is subscript-h, but only for consonants
- // ignore digits after the first character
- if (!first && IsDigit09(c))
- continue;
- if ((c >= 0x20) && (c < 128))
- c = ipa1[c-0x20];
- ix += utf8_out(c, &phon_out[ix]);
- } else
- phon_out[ix++] = c;
- first = 0;
- }
- phon_out = &phon_out[ix];
- *phon_out = 0;
- return phon_out;
- }
- const char *GetTranslatedPhonemeString(int phoneme_mode)
- {
- /* Called after a clause has been translated into phonemes, in order
- to display the clause in phoneme mnemonic form.
- phoneme_mode
- bit 1: use IPA phoneme names
- bit 7: use tie between letters in multi-character phoneme names
- bits 8-23 tie or separator character
- */
- int ix;
- unsigned int len;
- int phon_out_ix = 0;
- int stress;
- int c;
- char *p;
- char *buf;
- int count;
- int flags;
- int use_ipa;
- int use_tie;
- int separate_phonemes;
- char phon_buf[30];
- char phon_buf2[30];
- PHONEME_LIST *plist;
- static const char *stress_chars = "==,,''";
- if (phon_out_buf == NULL) {
- phon_out_size = N_PHON_OUT;
- if ((phon_out_buf = (char *)malloc(phon_out_size)) == NULL) {
- phon_out_size = 0;
- return "";
- }
- }
- use_ipa = phoneme_mode & espeakPHONEMES_IPA;
- if (phoneme_mode & espeakPHONEMES_TIE) {
- use_tie = phoneme_mode >> 8;
- separate_phonemes = 0;
- } else {
- separate_phonemes = phoneme_mode >> 8;
- use_tie = 0;
- }
- for (ix = 1; ix < (n_phoneme_list-2); ix++) {
- buf = phon_buf;
- plist = &phoneme_list[ix];
- WritePhMnemonic(phon_buf2, plist->ph, plist, use_ipa, &flags);
- if (plist->newword)
- *buf++ = ' ';
- if ((!plist->newword) || (separate_phonemes == ' ')) {
- if ((separate_phonemes != 0) && (ix > 1)) {
- utf8_in(&c, phon_buf2);
- if ((c < 0x2b0) || (c > 0x36f)) // not if the phoneme starts with a superscript letter
- buf += utf8_out(separate_phonemes, buf);
- }
- }
- if (plist->synthflags & SFLAG_SYLLABLE) {
- if ((stress = plist->stresslevel) > 1) {
- c = 0;
- if (stress > STRESS_IS_PRIORITY) stress = STRESS_IS_PRIORITY;
- if (use_ipa) {
- c = 0x2cc; // ipa, secondary stress
- if (stress > STRESS_IS_SECONDARY)
- c = 0x02c8; // ipa, primary stress
- } else
- c = stress_chars[stress];
- if (c != 0)
- buf += utf8_out(c, buf);
- }
- }
- flags = 0;
- count = 0;
- for (p = phon_buf2; *p != 0;) {
- p += utf8_in(&c, p);
- if (use_tie != 0) {
- // look for non-inital alphabetic character, but not diacritic, superscript etc.
- if ((count > 0) && !(flags & (1 << (count-1))) && ((c < 0x2b0) || (c > 0x36f)) && iswalpha(c))
- buf += utf8_out(use_tie, buf);
- }
- buf += utf8_out(c, buf);
- count++;
- }
- if (plist->ph->code != phonSWITCH) {
- if (plist->synthflags & SFLAG_LENGTHEN)
- buf = WritePhMnemonic(buf, phoneme_tab[phonLENGTHEN], plist, use_ipa, NULL);
- if ((plist->synthflags & SFLAG_SYLLABLE) && (plist->type != phVOWEL)) {
- // syllablic consonant
- buf = WritePhMnemonic(buf, phoneme_tab[phonSYLLABIC], plist, use_ipa, NULL);
- }
- if (plist->tone_ph > 0)
- buf = WritePhMnemonic(buf, phoneme_tab[plist->tone_ph], plist, use_ipa, NULL);
- }
- len = buf - phon_buf;
- if ((phon_out_ix + len) >= phon_out_size) {
- // enlarge the phoneme buffer
- phon_out_size = phon_out_ix + len + N_PHON_OUT;
- char *new_phon_out_buf = (char *)realloc(phon_out_buf, phon_out_size);
- if (new_phon_out_buf == NULL) {
- phon_out_size = 0;
- return "";
- } else
- phon_out_buf = new_phon_out_buf;
- }
- phon_buf[len] = 0;
- strcpy(&phon_out_buf[phon_out_ix], phon_buf);
- phon_out_ix += len;
- }
- if (!phon_out_buf)
- return "";
- phon_out_buf[phon_out_ix] = 0;
- return phon_out_buf;
- }
- static int LetterGroupNo(char *rule)
- {
- /*
- * Returns number of letter group
- */
- int groupNo = *rule;
- groupNo = groupNo - 'A'; // substracting 'A' makes letter_group equal to number in .Lxx definition
- if (groupNo < 0) // fix sign if necessary
- groupNo += 256;
- return groupNo;
- }
- static int IsLetterGroup(Translator *tr, char *word, int group, int pre)
- {
- /* Match the word against a list of utf-8 strings.
- * returns length of matching letter group or -1
- *
- * How this works:
- *
- * +-+
- * |c|<-(tr->letterGroups[group])
- * |0|
- * *p->|c|<-len+ +-+
- * |s|<----+ |a|<-(Actual word to be tested)
- * |0| *word-> |t|<-*w=word-len+1 (for pre-rule)
- * |~| |a|<-*w=word (for post-rule)
- * |7| |s|
- * +-+ +-+
- *
- * 7=RULE_GROUP_END
- * 0=null terminator
- * pre==1 — pre-rule
- * pre==0 — post-rule
- */
- char *p; // group counter
- char *w; // word counter
- int len = 0;
- p = tr->letterGroups[group];
- if (p == NULL)
- return -1;
- while (*p != RULE_GROUP_END) {
- if (pre) {
- len = strlen(p);
- w = word - len + 1;
- } else
- w = word;
- // If '~' (no character) is allowed in group, return 0.
- if (*p == '~')
- return 0;
- // Check current group
- while ((*p == *w) && (*w != 0)) {
- w++;
- p++;
- }
- if (*p == 0) { // Matched the current group.
- if (pre)
- return len;
- return w - word;
- }
- // No match, so skip the rest of this group.
- while (*p++ != 0)
- ;
- }
- // Not found
- return -1;
- }
- static int IsLetter(Translator *tr, int letter, int group)
- {
- int letter2;
- if (tr->letter_groups[group] != NULL) {
- if (wcschr(tr->letter_groups[group], letter))
- return 1;
- return 0;
- }
- if (group > 7)
- return 0;
- if (tr->letter_bits_offset > 0) {
- if (((letter2 = (letter - tr->letter_bits_offset)) > 0) && (letter2 < 0x100))
- letter = letter2;
- else
- return 0;
- } else if ((letter >= 0xc0) && (letter < N_REMOVE_ACCENT))
- return tr->letter_bits[remove_accent[letter-0xc0]] & (1L << group);
- if ((letter >= 0) && (letter < 0x100))
- return tr->letter_bits[letter] & (1L << group);
- return 0;
- }
- int IsVowel(Translator *tr, int letter)
- {
- return IsLetter(tr, letter, LETTERGP_VOWEL2);
- }
- static int Unpronouncable2(Translator *tr, char *word)
- {
- int c;
- int end_flags;
- char ph_buf[N_WORD_PHONEMES];
- ph_buf[0] = 0;
- c = word[-1];
- word[-1] = ' '; // ensure there is a space before the "word"
- end_flags = TranslateRules(tr, word, ph_buf, sizeof(ph_buf), NULL, FLAG_UNPRON_TEST, NULL);
- word[-1] = c;
- if ((end_flags == 0) || (end_flags & SUFX_UNPRON))
- return 1;
- return 0;
- }
- int Unpronouncable(Translator *tr, char *word, int posn)
- {
- /* Determines whether a word in 'unpronouncable', i.e. whether it should
- be spoken as individual letters.
- This function may be language specific. This is a generic version.
- */
- int c;
- int c1 = 0;
- int vowel_posn = 9;
- int index;
- int count;
- ALPHABET *alphabet;
- utf8_in(&c, word);
- if ((tr->letter_bits_offset > 0) && (c < 0x241)) {
- // Latin characters for a language with a non-latin alphabet
- return 0; // so we can re-translate the word as English
- }
- if (((alphabet = AlphabetFromChar(c)) != NULL) && (alphabet->offset != tr->letter_bits_offset)) {
- // Character is not in our alphabet
- return 0;
- }
- if (tr->langopts.param[LOPT_UNPRONOUNCABLE] == 1)
- return 0;
- if (((c = *word) == ' ') || (c == 0) || (c == '\''))
- return 0;
- index = 0;
- count = 0;
- for (;;) {
- index += utf8_in(&c, &word[index]);
- if ((c == 0) || (c == ' '))
- break;
- if ((c == '\'') && ((count > 1) || (posn > 0)))
- break; // "tv'" but not "l'"
- if (count == 0)
- c1 = c;
- if ((c == '\'') && (tr->langopts.param[LOPT_UNPRONOUNCABLE] == 3)) {
- // don't count apostrophe
- } else
- count++;
- if (IsVowel(tr, c)) {
- vowel_posn = count; // position of the first vowel
- break;
- }
- if ((c != '\'') && !iswalpha(c))
- return 0;
- }
- if ((vowel_posn > 2) && (tr->langopts.param[LOPT_UNPRONOUNCABLE] == 2)) {
- // Lookup unpronounable rules in *_rules
- return Unpronouncable2(tr, word);
- }
- if (c1 == tr->langopts.param[LOPT_UNPRONOUNCABLE])
- vowel_posn--; // disregard this as the initial letter when counting
- if (vowel_posn > (tr->langopts.max_initial_consonants+1))
- return 1; // no vowel, or no vowel in first few letters
- return 0;
- }
- static int GetVowelStress(Translator *tr, unsigned char *phonemes, signed char *vowel_stress, int *vowel_count, int *stressed_syllable, int control)
- {
- // control = 1, set stress to 1 for forced unstressed vowels
- unsigned char phcode;
- PHONEME_TAB *ph;
- unsigned char *ph_out = phonemes;
- int count = 1;
- int max_stress = -1;
- int ix;
- int j;
- int stress = -1;
- int primary_posn = 0;
- vowel_stress[0] = STRESS_IS_UNSTRESSED;
- while (((phcode = *phonemes++) != 0) && (count < (N_WORD_PHONEMES/2)-1)) {
- if ((ph = phoneme_tab[phcode]) == NULL)
- continue;
- if ((ph->type == phSTRESS) && (ph->program == 0)) {
- // stress marker, use this for the following vowel
- if (phcode == phonSTRESS_PREV) {
- // primary stress on preceeding vowel
- j = count - 1;
- while ((j > 0) && (*stressed_syllable == 0) && (vowel_stress[j] < STRESS_IS_PRIMARY)) {
- if ((vowel_stress[j] != STRESS_IS_DIMINISHED) && (vowel_stress[j] != STRESS_IS_UNSTRESSED)) {
- // don't promote a phoneme which must be unstressed
- vowel_stress[j] = STRESS_IS_PRIMARY;
- if (max_stress < STRESS_IS_PRIMARY) {
- max_stress = STRESS_IS_PRIMARY;
- primary_posn = j;
- }
- /* reduce any preceding primary stress markers */
- for (ix = 1; ix < j; ix++) {
- if (vowel_stress[ix] == STRESS_IS_PRIMARY)
- vowel_stress[ix] = STRESS_IS_SECONDARY;
- }
- break;
- }
- j--;
- }
- } else {
- if ((ph->std_length < 4) || (*stressed_syllable == 0)) {
- stress = ph->std_length;
- if (stress > max_stress)
- max_stress = stress;
- }
- }
- continue;
- }
- if ((ph->type == phVOWEL) && !(ph->phflags & phNONSYLLABIC)) {
- vowel_stress[count] = (char)stress;
- if ((stress >= STRESS_IS_PRIMARY) && (stress >= max_stress)) {
- primary_posn = count;
- max_stress = stress;
- }
- if ((stress < 0) && (control & 1) && (ph->phflags & phUNSTRESSED))
- vowel_stress[count] = STRESS_IS_UNSTRESSED; // weak vowel, must be unstressed
- count++;
- stress = -1;
- } else if (phcode == phonSYLLABIC) {
- // previous consonant phoneme is syllablic
- vowel_stress[count] = (char)stress;
- if ((stress == 0) && (control & 1))
- vowel_stress[count++] = STRESS_IS_UNSTRESSED; // syllabic consonant, usually unstressed
- }
- *ph_out++ = phcode;
- }
- vowel_stress[count] = STRESS_IS_UNSTRESSED;
- *ph_out = 0;
- // has the position of the primary stress been specified by $1, $2, etc?
- if (*stressed_syllable > 0) {
- if (*stressed_syllable >= count)
- *stressed_syllable = count-1; // the final syllable
- vowel_stress[*stressed_syllable] = STRESS_IS_PRIMARY;
- max_stress = STRESS_IS_PRIMARY;
- primary_posn = *stressed_syllable;
- }
- if (max_stress == STRESS_IS_PRIORITY) {
- // priority stress, replaces any other primary stress marker
- for (ix = 1; ix < count; ix++) {
- if (vowel_stress[ix] == STRESS_IS_PRIMARY) {
- if (tr->langopts.stress_flags & S_PRIORITY_STRESS)
- vowel_stress[ix] = STRESS_IS_UNSTRESSED;
- else
- vowel_stress[ix] = STRESS_IS_SECONDARY;
- }
- if (vowel_stress[ix] == STRESS_IS_PRIORITY) {
- vowel_stress[ix] = STRESS_IS_PRIMARY;
- primary_posn = ix;
- }
- }
- max_stress = STRESS_IS_PRIMARY;
- }
- *stressed_syllable = primary_posn;
- *vowel_count = count;
- return max_stress;
- }
- static char stress_phonemes[] = {
- phonSTRESS_D, phonSTRESS_U, phonSTRESS_2, phonSTRESS_3,
- phonSTRESS_P, phonSTRESS_P2, phonSTRESS_TONIC
- };
- void ChangeWordStress(Translator *tr, char *word, int new_stress)
- {
- int ix;
- unsigned char *p;
- int max_stress;
- int vowel_count; // num of vowels + 1
- int stressed_syllable = 0; // position of stressed syllable
- unsigned char phonetic[N_WORD_PHONEMES];
- signed char vowel_stress[N_WORD_PHONEMES/2];
- strcpy((char *)phonetic, word);
- max_stress = GetVowelStress(tr, phonetic, vowel_stress, &vowel_count, &stressed_syllable, 0);
- if (new_stress >= STRESS_IS_PRIMARY) {
- // promote to primary stress
- for (ix = 1; ix < vowel_count; ix++) {
- if (vowel_stress[ix] >= max_stress) {
- vowel_stress[ix] = new_stress;
- break;
- }
- }
- } else {
- // remove primary stress
- for (ix = 1; ix < vowel_count; ix++) {
- if (vowel_stress[ix] > new_stress) // >= allows for diminished stress (=1)
- vowel_stress[ix] = new_stress;
- }
- }
- // write out phonemes
- ix = 1;
- p = phonetic;
- while (*p != 0) {
- if ((phoneme_tab[*p]->type == phVOWEL) && !(phoneme_tab[*p]->phflags & phNONSYLLABIC)) {
- if ((vowel_stress[ix] == STRESS_IS_DIMINISHED) || (vowel_stress[ix] > STRESS_IS_UNSTRESSED))
- *word++ = stress_phonemes[(unsigned char)vowel_stress[ix]];
- ix++;
- }
- *word++ = *p++;
- }
- *word = 0;
- }
- void SetWordStress(Translator *tr, char *output, unsigned int *dictionary_flags, int tonic, int control)
- {
- /* Guess stress pattern of word. This is language specific
- 'output' is used for input and output
- 'dictionary_flags' has bits 0-3 position of stressed vowel (if > 0)
- or unstressed (if == 7) or syllables 1 and 2 (if == 6)
- bits 8... dictionary flags
- If 'tonic' is set (>= 0), replace highest stress by this value.
- control: bit 0 This is an individual symbol, not a word
- bit 1 Suffix phonemes are still to be added
- */
- unsigned char phcode;
- unsigned char *p;
- PHONEME_TAB *ph;
- int stress;
- int max_stress;
- int max_stress_input; // any stress specified in the input?
- int vowel_count; // num of vowels + 1
- int ix;
- int v;
- int v_stress;
- int stressed_syllable; // position of stressed syllable
- int max_stress_posn;
- char *max_output;
- int final_ph;
- int final_ph2;
- int mnem;
- int opt_length;
- int stressflags;
- int dflags = 0;
- int first_primary;
- int long_vowel;
- signed char vowel_stress[N_WORD_PHONEMES/2];
- char syllable_weight[N_WORD_PHONEMES/2];
- char vowel_length[N_WORD_PHONEMES/2];
- unsigned char phonetic[N_WORD_PHONEMES];
- static char consonant_types[16] = { 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0 };
- stressflags = tr->langopts.stress_flags;
- if (dictionary_flags != NULL)
- dflags = dictionary_flags[0];
- // copy input string into internal buffer
- for (ix = 0; ix < N_WORD_PHONEMES; ix++) {
- phonetic[ix] = output[ix];
- // check for unknown phoneme codes
- if (phonetic[ix] >= n_phoneme_tab)
- phonetic[ix] = phonSCHWA;
- if (phonetic[ix] == 0)
- break;
- }
- if (ix == 0) return;
- final_ph = phonetic[ix-1];
- final_ph2 = phonetic[ix-2];
- max_output = output + (N_WORD_PHONEMES-3); // check for overrun
- // any stress position marked in the xx_list dictionary ?
- bool unstressed_word = false;
- stressed_syllable = dflags & 0x7;
- if (dflags & 0x8) {
- // this indicates a word without a primary stress
- stressed_syllable = dflags & 0x3;
- unstressed_word = true;
- }
- max_stress = max_stress_input = GetVowelStress(tr, phonetic, vowel_stress, &vowel_count, &stressed_syllable, 1);
- if ((max_stress < 0) && dictionary_flags)
- max_stress = STRESS_IS_DIMINISHED;
- // heavy or light syllables
- ix = 1;
- for (p = phonetic; *p != 0; p++) {
- if ((phoneme_tab[p[0]]->type == phVOWEL) && !(phoneme_tab[p[0]]->phflags & phNONSYLLABIC)) {
- int weight = 0;
- bool lengthened = false;
- if (phoneme_tab[p[1]]->code == phonLENGTHEN)
- lengthened = true;
- if (lengthened || (phoneme_tab[p[0]]->phflags & phLONG)) {
- // long vowel, increase syllable weight
- weight++;
- }
- vowel_length[ix] = weight;
- if (lengthened) p++; // advance over phonLENGTHEN
- if (consonant_types[phoneme_tab[p[1]]->type] && ((phoneme_tab[p[2]]->type != phVOWEL) || (phoneme_tab[p[1]]->phflags & phLONG))) {
- // followed by two consonants, a long consonant, or consonant and end-of-word
- weight++;
- }
- syllable_weight[ix] = weight;
- ix++;
- }
- }
- switch (tr->langopts.stress_rule)
- {
- case 8:
- // stress on first syllable, unless it is a light syllable followed by a heavy syllable
- if ((syllable_weight[1] > 0) || (syllable_weight[2] == 0))
- break;
- // fallthrough:
- case 1:
- // stress on second syllable
- if ((stressed_syllable == 0) && (vowel_count > 2)) {
- stressed_syllable = 2;
- if (max_stress == STRESS_IS_DIMINISHED)
- vowel_stress[stressed_syllable] = STRESS_IS_PRIMARY;
- max_stress = STRESS_IS_PRIMARY;
- }
- break;
- case 10: // penultimate, but final if only 1 or 2 syllables
- if (stressed_syllable == 0) {
- if (vowel_count < 4) {
- vowel_stress[vowel_count - 1] = STRESS_IS_PRIMARY;
- max_stress = STRESS_IS_PRIMARY;
- break;
- }
- }
- // fallthrough:
- case 2:
- // a language with stress on penultimate vowel
- if (stressed_syllable == 0) {
- // no explicit stress - stress the penultimate vowel
- max_stress = STRESS_IS_PRIMARY;
- if (vowel_count > 2) {
- stressed_syllable = vowel_count - 2;
- if (stressflags & S_FINAL_SPANISH) {
- // LANG=Spanish, stress on last vowel if the word ends in a consonant other than 'n' or 's'
- if (phoneme_tab[final_ph]->type != phVOWEL) {
- mnem = phoneme_tab[final_ph]->mnemonic;
- if (tr->translator_name == L('a', 'n')) {
- if (((mnem != 's') && (mnem != 'n')) || phoneme_tab[final_ph2]->type != phVOWEL)
- stressed_syllable = vowel_count - 1; // stress on last syllable
- } else if (tr->translator_name == L('i', 'a')) {
- if ((mnem != 's') || phoneme_tab[final_ph2]->type != phVOWEL)
- stressed_syllable = vowel_count - 1; // stress on last syllable
- } else {
- if ((mnem == 's') && (phoneme_tab[final_ph2]->type == phNASAL)) {
- // -ns stress remains on penultimate syllable
- } else if (((phoneme_tab[final_ph]->type != phNASAL) && (mnem != 's')) || (phoneme_tab[final_ph2]->type != phVOWEL))
- stressed_syllable = vowel_count - 1;
- }
- }
- }
- if (stressflags & S_FINAL_LONG) {
- // stress on last syllable if it has a long vowel, but previous syllable has a short vowel
- if (vowel_length[vowel_count - 1] > vowel_length[vowel_count - 2])
- stressed_syllable = vowel_count - 1;
- }
- if ((vowel_stress[stressed_syllable] == STRESS_IS_DIMINISHED) || (vowel_stress[stressed_syllable] == STRESS_IS_UNSTRESSED)) {
- // but this vowel is explicitly marked as unstressed
- if (stressed_syllable > 1)
- stressed_syllable--;
- else
- stressed_syllable++;
- }
- } else
- stressed_syllable = 1;
- // only set the stress if it's not already marked explicitly
- if (vowel_stress[stressed_syllable] < 0) {
- // don't stress if next and prev syllables are stressed
- if ((vowel_stress[stressed_syllable-1] < STRESS_IS_PRIMARY) || (vowel_stress[stressed_syllable+1] < STRESS_IS_PRIMARY))
- vowel_stress[stressed_syllable] = max_stress;
- }
- }
- break;
- case 3:
- // stress on last vowel
- if (stressed_syllable == 0) {
- // no explicit stress - stress the final vowel
- stressed_syllable = vowel_count - 1;
- while (stressed_syllable > 0) {
- // find the last vowel which is not unstressed
- if (vowel_stress[stressed_syllable] < STRESS_IS_DIMINISHED) {
- vowel_stress[stressed_syllable] = STRESS_IS_PRIMARY;
- break;
- } else
- stressed_syllable--;
- }
- max_stress = STRESS_IS_PRIMARY;
- }
- break;
- case 4: // stress on antipenultimate vowel
- if (stressed_syllable == 0) {
- stressed_syllable = vowel_count - 3;
- if (stressed_syllable < 1)
- stressed_syllable = 1;
- if (max_stress == STRESS_IS_DIMINISHED)
- vowel_stress[stressed_syllable] = STRESS_IS_PRIMARY;
- max_stress = STRESS_IS_PRIMARY;
- }
- break;
- case 5:
- // LANG=Russian
- if (stressed_syllable == 0) {
- // no explicit stress - guess the stress from the number of syllables
- static char guess_ru[16] = { 0, 0, 1, 1, 2, 3, 3, 4, 5, 6, 7, 7, 8, 9, 10, 11 };
- 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
- 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
- stressed_syllable = vowel_count - 3;
- if (vowel_count < 16) {
- if (phoneme_tab[final_ph]->type == phVOWEL)
- stressed_syllable = guess_ru_v[vowel_count];
- else if (phoneme_tab[final_ph]->type == phSTOP)
- stressed_syllable = guess_ru_t[vowel_count];
- else
- stressed_syllable = guess_ru[vowel_count];
- }
- vowel_stress[stressed_syllable] = STRESS_IS_PRIMARY;
- max_stress = STRESS_IS_PRIMARY;
- }
- break;
- case 6: // LANG=hi stress on the last heaviest syllable
- if (stressed_syllable == 0) {
- int wt;
- int max_weight = -1;
- // find the heaviest syllable, excluding the final syllable
- for (ix = 1; ix < (vowel_count-1); ix++) {
- if (vowel_stress[ix] < STRESS_IS_DIMINISHED) {
- if ((wt = syllable_weight[ix]) >= max_weight) {
- max_weight = wt;
- stressed_syllable = ix;
- }
- }
- }
- if ((syllable_weight[vowel_count-1] == 2) && (max_weight < 2)) {
- // the only double=heavy syllable is the final syllable, so stress this
- stressed_syllable = vowel_count-1;
- } else if (max_weight <= 0) {
- // all syllables, exclusing the last, are light. Stress the first syllable
- stressed_syllable = 1;
- }
- vowel_stress[stressed_syllable] = STRESS_IS_PRIMARY;
- max_stress = STRESS_IS_PRIMARY;
- }
- break;
- case 7: // LANG=tr, the last syllable for any vowel marked explicitly as unstressed
- if (stressed_syllable == 0) {
- stressed_syllable = vowel_count - 1;
- for (ix = 1; ix < vowel_count; ix++) {
- if (vowel_stress[ix] == STRESS_IS_UNSTRESSED) {
- stressed_syllable = ix-1;
- break;
- }
- }
- vowel_stress[stressed_syllable] = STRESS_IS_PRIMARY;
- max_stress = STRESS_IS_PRIMARY;
- }
- break;
- case 9: // mark all as stressed
- for (ix = 1; ix < vowel_count; ix++) {
- if (vowel_stress[ix] < STRESS_IS_DIMINISHED)
- vowel_stress[ix] = STRESS_IS_PRIMARY;
- }
- break;
- case 12: // LANG=kl (Greenlandic)
- long_vowel = 0;
- for (ix = 1; ix < vowel_count; ix++) {
- if (vowel_stress[ix] == STRESS_IS_PRIMARY)
- vowel_stress[ix] = STRESS_IS_SECONDARY; // change marked stress (consonant clusters) to secondary (except the last)
- if (vowel_length[ix] > 0) {
- long_vowel = ix;
- vowel_stress[ix] = STRESS_IS_SECONDARY; // give secondary stress to all long vowels
- }
- }
- // 'stressed_syllable' gives the last marked stress
- if (stressed_syllable == 0) {
- // no marked stress, choose the last long vowel
- if (long_vowel > 0)
- stressed_syllable = long_vowel;
- else {
- // no long vowels or consonant clusters
- if (vowel_count > 5)
- stressed_syllable = vowel_count - 3; // more than 4 syllables
- else
- stressed_syllable = vowel_count - 1;
- }
- }
- vowel_stress[stressed_syllable] = STRESS_IS_PRIMARY;
- max_stress = STRESS_IS_PRIMARY;
- break;
- case 13: // LANG=ml, 1st unless 1st vowel is short and 2nd is long
- if (stressed_syllable == 0) {
- stressed_syllable = 1;
- if ((vowel_length[1] == 0) && (vowel_count > 2) && (vowel_length[2] > 0))
- stressed_syllable = 2;
- vowel_stress[stressed_syllable] = STRESS_IS_PRIMARY;
- max_stress = STRESS_IS_PRIMARY;
- }
- break;
- }
- if ((stressflags & S_FINAL_VOWEL_UNSTRESSED) && ((control & 2) == 0) && (vowel_count > 2) && (max_stress_input < STRESS_IS_SECONDARY) && (vowel_stress[vowel_count - 1] == STRESS_IS_PRIMARY)) {
- // Don't allow stress on a word-final vowel
- // Only do this if there is no suffix phonemes to be added, and if a stress position was not given explicitly
- if (phoneme_tab[final_ph]->type == phVOWEL) {
- vowel_stress[vowel_count - 1] = STRESS_IS_UNSTRESSED;
- vowel_stress[vowel_count - 2] = STRESS_IS_PRIMARY;
- }
- }
- // now guess the complete stress pattern
- if (max_stress < STRESS_IS_PRIMARY)
- stress = STRESS_IS_PRIMARY; // no primary stress marked, use for 1st syllable
- else
- stress = STRESS_IS_SECONDARY;
- if (unstressed_word == false) {
- if ((stressflags & S_2_SYL_2) && (vowel_count == 3)) {
- // Two syllable word, if one syllable has primary stress, then give the other secondary stress
- if (vowel_stress[1] == STRESS_IS_PRIMARY)
- vowel_stress[2] = STRESS_IS_SECONDARY;
- if (vowel_stress[2] == STRESS_IS_PRIMARY)
- vowel_stress[1] = STRESS_IS_SECONDARY;
- }
- if ((stressflags & S_INITIAL_2) && (vowel_stress[1] < STRESS_IS_DIMINISHED)) {
- // If there is only one syllable before the primary stress, give it a secondary stress
- if ((vowel_count > 3) && (vowel_stress[2] >= STRESS_IS_PRIMARY))
- vowel_stress[1] = STRESS_IS_SECONDARY;
- }
- }
- bool done = false;
- first_primary = 0;
- for (v = 1; v < vowel_count; v++) {
- if (vowel_stress[v] < STRESS_IS_DIMINISHED) {
- if ((stressflags & S_FINAL_NO_2) && (stress < STRESS_IS_PRIMARY) && (v == vowel_count-1)) {
- // flag: don't give secondary stress to final vowel
- } else if ((stressflags & 0x8000) && (done == false)) {
- vowel_stress[v] = (char)stress;
- done = true;
- stress = STRESS_IS_SECONDARY; // use secondary stress for remaining syllables
- } else if ((vowel_stress[v-1] <= STRESS_IS_UNSTRESSED) && ((vowel_stress[v+1] <= STRESS_IS_UNSTRESSED) || ((stress == STRESS_IS_PRIMARY) && (vowel_stress[v+1] <= STRESS_IS_NOT_STRESSED)))) {
- // trochaic: give stress to vowel surrounded by unstressed vowels
- if ((stress == STRESS_IS_SECONDARY) && (stressflags & S_NO_AUTO_2))
- continue; // don't use secondary stress
- // don't put secondary stress on a light syllable if the rest of the word (excluding last syllable) contains a heavy syllable
- if ((v > 1) && (stressflags & S_2_TO_HEAVY) && (syllable_weight[v] == 0)) {
- bool skip = false;
- for (int i = v; i < vowel_count - 1; i++) {
- if (syllable_weight[i] > 0) {
- skip = true;
- break;
- }
- }
- if (skip == true)
- continue;
- }
- if ((v > 1) && (stressflags & S_2_TO_HEAVY) && (syllable_weight[v] == 0) && (syllable_weight[v+1] > 0)) {
- // don't put secondary stress on a light syllable which is followed by a heavy syllable
- continue;
- }
- // should start with secondary stress on the first syllable, or should it count back from
- // the primary stress and put secondary stress on alternate syllables?
- vowel_stress[v] = (char)stress;
- done = true;
- stress = STRESS_IS_SECONDARY; // use secondary stress for remaining syllables
- }
- }
- if (vowel_stress[v] >= STRESS_IS_PRIMARY) {
- if (first_primary == 0)
- first_primary = v;
- else if (stressflags & S_FIRST_PRIMARY) {
- // reduce primary stresses after the first to secondary
- vowel_stress[v] = STRESS_IS_SECONDARY;
- }
- }
- }
- if ((unstressed_word) && (tonic < 0)) {
- if (vowel_count <= 2)
- tonic = tr->langopts.unstressed_wd1; // monosyllable - unstressed
- else
- tonic = tr->langopts.unstressed_wd2; // more than one syllable, used secondary stress as the main stress
- }
- max_stress = STRESS_IS_DIMINISHED;
- max_stress_posn = 0;
- for (v = 1; v < vowel_count; v++) {
- if (vowel_stress[v] >= max_stress) {
- max_stress = vowel_stress[v];
- max_stress_posn = v;
- }
- }
- if (tonic >= 0) {
- // find position of highest stress, and replace it by 'tonic'
- // don't disturb an explicitly set stress by 'unstress-at-end' flag
- if ((tonic > max_stress) || (max_stress <= STRESS_IS_PRIMARY))
- vowel_stress[max_stress_posn] = (char)tonic;
- max_stress = tonic;
- }
- // produce output phoneme string
- p = phonetic;
- v = 1;
- if (!(control & 1) && ((ph = phoneme_tab[*p]) != NULL)) {
- while ((ph->type == phSTRESS) || (*p == phonEND_WORD)) {
- p++;
- ph = phoneme_tab[p[0]];
- }
- if ((tr->langopts.vowel_pause & 0x30) && (ph->type == phVOWEL)) {
- // word starts with a vowel
- if ((tr->langopts.vowel_pause & 0x20) && (vowel_stress[1] >= STRESS_IS_PRIMARY))
- *output++ = phonPAUSE_NOLINK; // not to be replaced by link
- else
- *output++ = phonPAUSE_VSHORT; // break, but no pause
- }
- }
- p = phonetic;
- while (((phcode = *p++) != 0) && (output < max_output)) {
- if ((ph = phoneme_tab[phcode]) == NULL)
- continue;
- if (ph->type == phPAUSE)
- tr->prev_last_stress = 0;
- else if (((ph->type == phVOWEL) && !(ph->phflags & phNONSYLLABIC)) || (*p == phonSYLLABIC)) {
- // a vowel, or a consonant followed by a syllabic consonant marker
- v_stress = vowel_stress[v];
- tr->prev_last_stress = v_stress;
- if (v_stress <= STRESS_IS_UNSTRESSED) {
- if ((v > 1) && (max_stress >= 2) && (stressflags & S_FINAL_DIM) && (v == (vowel_count-1))) {
- // option: mark unstressed final syllable as diminished
- v_stress = STRESS_IS_DIMINISHED;
- } else if ((stressflags & S_NO_DIM) || (v == 1) || (v == (vowel_count-1))) {
- // first or last syllable, or option 'don't set diminished stress'
- v_stress = STRESS_IS_UNSTRESSED;
- } else if ((v == (vowel_count-2)) && (vowel_stress[vowel_count-1] <= STRESS_IS_UNSTRESSED)) {
- // penultimate syllable, followed by an unstressed final syllable
- v_stress = STRESS_IS_UNSTRESSED;
- } else {
- // unstressed syllable within a word
- if ((vowel_stress[v-1] < STRESS_IS_DIMINISHED) || ((stressflags & S_MID_DIM) == 0)) {
- v_stress = STRESS_IS_DIMINISHED;
- vowel_stress[v] = v_stress;
- }
- }
- }
- if ((v_stress == STRESS_IS_DIMINISHED) || (v_stress > STRESS_IS_UNSTRESSED))
- *output++ = stress_phonemes[v_stress]; // mark stress of all vowels except 1 (unstressed)
- if (vowel_stress[v] > max_stress)
- max_stress = vowel_stress[v];
- if ((*p == phonLENGTHEN) && ((opt_length = tr->langopts.param[LOPT_IT_LENGTHEN]) & 1)) {
- // remove lengthen indicator from non-stressed syllables
- bool shorten = false;
- if (opt_length & 0x10) {
- // only allow lengthen indicator on the highest stress syllable in the word
- if (v != max_stress_posn)
- shorten = true;
- } else if (v_stress < STRESS_IS_PRIMARY) {
- // only allow lengthen indicator if stress >= STRESS_IS_PRIMARY.
- shorten = true;
- }
- if (shorten)
- p++;
- }
- v++;
- }
- if (phcode != 1)
- *output++ = phcode;
- }
- *output++ = 0;
- return;
- }
- void AppendPhonemes(Translator *tr, char *string, int size, const char *ph)
- {
- /* Add new phoneme string "ph" to "string"
- Keeps count of the number of vowel phonemes in the word, and whether these
- can be stressed syllables. These values can be used in translation rules
- */
- const char *p;
- unsigned char c;
- int length;
- length = strlen(ph) + strlen(string);
- if (length >= size)
- return;
- // any stressable vowel ?
- bool unstress_mark = false;
- p = ph;
- while ((c = *p++) != 0) {
- if (c >= n_phoneme_tab) continue;
- if (phoneme_tab[c]->type == phSTRESS) {
- if (phoneme_tab[c]->std_length < 4)
- unstress_mark = true;
- } else {
- if (phoneme_tab[c]->type == phVOWEL) {
- if (((phoneme_tab[c]->phflags & phUNSTRESSED) == 0) &&
- (unstress_mark == false)) {
- tr->word_stressed_count++;
- }
- unstress_mark = false;
- tr->word_vowel_count++;
- }
- }
- }
- if (string != NULL)
- strcat(string, ph);
- }
- static void MatchRule(Translator *tr, char *word[], char *word_start, int group_length, char *rule, MatchRecord *match_out, int word_flags, int dict_flags)
- {
- /* Checks a specified word against dictionary rules.
- Returns with phoneme code string, or NULL if no match found.
- word (indirect) points to current character group within the input word
- This is advanced by this procedure as characters are consumed
- group: the initial characters used to choose the rules group
- rule: address of dictionary rule data for this character group
- match_out: returns best points score
- word_flags: indicates whether this is a retranslation after a suffix has been removed
- */
- unsigned char rb; // current instuction from rule
- unsigned char letter; // current letter from input word, single byte
- int letter_w; // current letter, wide character
- int last_letter_w; // last letter, wide character
- int letter_xbytes; // number of extra bytes of multibyte character (num bytes - 1)
- char *pre_ptr;
- char *post_ptr; // pointer to first character after group
- char *rule_start; // start of current match template
- char *p;
- int ix;
- int match_type; // left, right, or consume
- int failed;
- int unpron_ignore;
- int consumed; // number of letters consumed from input
- int syllable_count;
- int vowel;
- int letter_group;
- int distance_right;
- int distance_left;
- int lg_pts;
- int n_bytes;
- int add_points;
- int command;
- int check_atstart;
- unsigned int *flags;
- MatchRecord match;
- static MatchRecord best;
- int total_consumed; // letters consumed for best match
- unsigned char condition_num;
- char *common_phonemes; // common to a group of entries
- char *group_chars;
- char word_buf[N_WORD_BYTES];
- group_chars = *word;
- if (rule == NULL) {
- match_out->points = 0;
- (*word)++;
- return;
- }
- total_consumed = 0;
- common_phonemes = NULL;
- best.points = 0;
- best.phonemes = "";
- best.end_type = 0;
- best.del_fwd = NULL;
- // search through dictionary rules
- while (rule[0] != RULE_GROUP_END) {
- unpron_ignore = word_flags & FLAG_UNPRON_TEST;
- match_type = 0;
- consumed = 0;
- letter_w = 0;
- distance_right = -6; // used to reduce points for matches further away the current letter
- distance_left = -2;
- check_atstart = 0;
- match.points = 1;
- match.end_type = 0;
- match.del_fwd = NULL;
- pre_ptr = *word;
- post_ptr = *word + group_length;
- // work through next rule until end, or until no-match proved
- rule_start = rule;
- failed = 0;
- while (!failed) {
- rb = *rule++;
- if (rb <= RULE_LINENUM) {
- switch (rb)
- {
- case 0: // no phoneme string for this rule, use previous common rule
- if (common_phonemes != NULL) {
- match.phonemes = common_phonemes;
- while (((rb = *match.phonemes++) != 0) && (rb != RULE_PHONEMES)) {
- if (rb == RULE_CONDITION)
- match.phonemes++; // skip over condition number
- if (rb == RULE_LINENUM)
- match.phonemes += 2; // skip over line number
- }
- } else
- match.phonemes = "";
- rule--; // so we are still pointing at the 0
- failed = 2; // matched OK
- break;
- case RULE_PRE_ATSTART: // pre rule with implied 'start of word'
- check_atstart = 1;
- unpron_ignore = 0;
- match_type = RULE_PRE;
- break;
- case RULE_PRE:
- match_type = RULE_PRE;
- if (word_flags & FLAG_UNPRON_TEST) {
- // checking the start of the word for unpronouncable character sequences, only
- // consider rules which explicitly match the start of a word
- // Note: Those rules now use RULE_PRE_ATSTART
- failed = 1;
- }
- break;
- case RULE_POST:
- match_type = RULE_POST;
- break;
- case RULE_PHONEMES:
- match.phonemes = rule;
- failed = 2; // matched OK
- break;
- case RULE_PH_COMMON:
- common_phonemes = rule;
- break;
- case RULE_CONDITION:
- // conditional rule, next byte gives condition number
- condition_num = *rule++;
- if (condition_num >= 32) {
- // allow the rule only if the condition number is NOT set
- if ((tr->dict_condition & (1L << (condition_num-32))) != 0)
- failed = 1;
- } else {
- // allow the rule only if the condition number is set
- if ((tr->dict_condition & (1L << condition_num)) == 0)
- failed = 1;
- }
- if (!failed)
- match.points++; // add one point for a matched conditional rule
- break;
- case RULE_LINENUM:
- rule += 2;
- break;
- }
- continue;
- }
- add_points = 0;
- switch (match_type)
- {
- case 0:
- // match and consume this letter
- letter = *post_ptr++;
- if ((letter == rb) || ((letter == (unsigned char)REPLACED_E) && (rb == 'e'))) {
- if ((letter & 0xc0) != 0x80)
- add_points = 21; // don't add point for non-initial UTF-8 bytes
- consumed++;
- } else
- failed = 1;
- break;
- case RULE_POST:
- // continue moving forwards
- distance_right += 6;
- if (distance_right > 18)
- distance_right = 19;
- last_letter_w = letter_w;
- letter_xbytes = utf8_in(&letter_w, post_ptr)-1;
- letter = *post_ptr++;
- switch (rb)
- {
- case RULE_LETTERGP:
- letter_group = LetterGroupNo(rule++);
- if (IsLetter(tr, letter_w, letter_group)) {
- lg_pts = 20;
- if (letter_group == 2)
- lg_pts = 19; // fewer points for C, general consonant
- add_points = (lg_pts-distance_right);
- post_ptr += letter_xbytes;
- } else
- failed = 1;
- break;
- case RULE_LETTERGP2: // match against a list of utf-8 strings
- letter_group = LetterGroupNo(rule++);
- if ((n_bytes = IsLetterGroup(tr, post_ptr-1, letter_group, 0)) >= 0) {
- add_points = (20-distance_right);
- if (n_bytes >= 0) // move pointer, if group was found
- post_ptr += (n_bytes-1);
- } else
- failed = 1;
- break;
- case RULE_NOTVOWEL:
- if (IsLetter(tr, letter_w, 0) || ((letter_w == ' ') && (word_flags & FLAG_SUFFIX_VOWEL)))
- failed = 1;
- else {
- add_points = (20-distance_right);
- post_ptr += letter_xbytes;
- }
- break;
- case RULE_DIGIT:
- if (IsDigit(letter_w)) {
- add_points = (20-distance_right);
- post_ptr += letter_xbytes;
- } else if (tr->langopts.tone_numbers) {
- // also match if there is no digit
- add_points = (20-distance_right);
- post_ptr--;
- } else
- failed = 1;
- break;
- case RULE_NONALPHA:
- if (!iswalpha(letter_w)) {
- add_points = (21-distance_right);
- post_ptr += letter_xbytes;
- } else
- failed = 1;
- break;
- case RULE_DOUBLE:
- if (letter_w == last_letter_w)
- add_points = (21-distance_right);
- else
- failed = 1;
- break;
- case RULE_DOLLAR:
- command = *rule++;
- if (command == DOLLAR_UNPR)
- match.end_type = SUFX_UNPRON; // $unpron
- else if (command == DOLLAR_NOPREFIX) { // $noprefix
- if (word_flags & FLAG_PREFIX_REMOVED)
- failed = 1; // a prefix has been removed
- else
- add_points = 1;
- } else if ((command & 0xf0) == 0x10) {
- // $w_alt
- if (dict_flags & (1 << (BITNUM_FLAG_ALT + (command & 0xf))))
- add_points = 23;
- else
- failed = 1;
- } else if (((command & 0xf0) == 0x20) || (command == DOLLAR_LIST)) {
- // $list or $p_alt
- // make a copy of the word up to the post-match characters
- ix = *word - word_start + consumed + group_length + 1;
- memcpy(word_buf, word_start-1, ix);
- word_buf[ix] = ' ';
- word_buf[ix+1] = 0;
- LookupFlags(tr, &word_buf[1], &flags);
- if ((command == DOLLAR_LIST) && (flags[0] & FLAG_FOUND) && !(flags[1] & FLAG_ONLY))
- add_points = 23;
- else if (flags[0] & (1 << (BITNUM_FLAG_ALT + (command & 0xf))))
- add_points = 23;
- else
- failed = 1;
- }
- break;
- case '-':
- if ((letter == '-') || ((letter == ' ') && (word_flags & FLAG_HYPHEN_AFTER)))
- add_points = (22-distance_right); // one point more than match against space
- else
- failed = 1;
- break;
- case RULE_SYLLABLE:
- {
- // more than specified number of vowel letters to the right
- char *p_local = post_ptr + letter_xbytes;
- int vowel_count = 0;
- syllable_count = 1;
- while (*rule == RULE_SYLLABLE) {
- rule++;
- syllable_count += 1; // number of syllables to match
- }
- vowel = 0;
- while (letter_w != RULE_SPACE) {
- if ((vowel == 0) && IsLetter(tr, letter_w, LETTERGP_VOWEL2)) {
- // this is counting vowels which are separated by non-vowel letters
- vowel_count++;
- }
- vowel = IsLetter(tr, letter_w, LETTERGP_VOWEL2);
- p_local += utf8_in(&letter_w, p_local);
- }
- if (syllable_count <= vowel_count)
- add_points = (18+syllable_count-distance_right);
- else
- failed = 1;
- }
- break;
- case RULE_NOVOWELS:
- {
- char *p_local = post_ptr + letter_xbytes;
- while (letter_w != RULE_SPACE) {
- if (IsLetter(tr, letter_w, LETTERGP_VOWEL2)) {
- failed = 1;
- break;
- }
- p_local += utf8_in(&letter_w, p_local);
- }
- if (!failed)
- add_points = (19-distance_right);
- }
- break;
- case RULE_SKIPCHARS:
- {
- // '(Jxy' means 'skip characters until xy'
- char *p_local = post_ptr - 1; // to allow empty jump (without letter between), go one back
- char *p2 = p_local; // pointer to the previous character in the word
- int rule_w; // first wide character of skip rule
- utf8_in(&rule_w, rule);
- int g_bytes = -1; // bytes of successfully found character group
- while ((letter_w != rule_w) && (letter_w != RULE_SPACE) && (letter_w != 0) && (g_bytes == -1)) {
- if (rule_w == RULE_LETTERGP2)
- g_bytes = IsLetterGroup(tr, p_local, LetterGroupNo(rule + 1), 0);
- p2 = p_local;
- p_local += utf8_in(&letter_w, p_local);
- }
- if ((letter_w == rule_w) || (g_bytes >= 0))
- post_ptr = p2;
- }
- break;
- case RULE_INC_SCORE:
- add_points = 20; // force an increase in points
- break;
- case RULE_DEC_SCORE:
- add_points = -20; // force an decrease in points
- break;
- case RULE_DEL_FWD:
- // find the next 'e' in the word and replace by 'E'
- for (p = *word + group_length; p < post_ptr; p++) {
- if (*p == 'e') {
- match.del_fwd = p;
- break;
- }
- }
- break;
- case RULE_ENDING:
- {
- int end_type;
- // next 3 bytes are a (non-zero) ending type. 2 bytes of flags + suffix length
- end_type = (rule[0] << 16) + ((rule[1] & 0x7f) << 8) + (rule[2] & 0x7f);
- if ((tr->word_vowel_count == 0) && !(end_type & SUFX_P) && (tr->langopts.param[LOPT_SUFFIX] & 1))
- failed = 1; // don't match a suffix rule if there are no previous syllables (needed for lang=tr).
- else {
- match.end_type = end_type;
- rule += 3;
- }
- }
- break;
- case RULE_NO_SUFFIX:
- if (word_flags & FLAG_SUFFIX_REMOVED)
- failed = 1; // a suffix has been removed
- else
- add_points = 1;
- break;
- default:
- if (letter == rb) {
- if ((letter & 0xc0) != 0x80) {
- // not for non-initial UTF-8 bytes
- add_points = (21-distance_right);
- }
- } else
- failed = 1;
- break;
- }
- break;
- case RULE_PRE:
- // match backwards from start of current group
- distance_left += 2;
- if (distance_left > 18)
- distance_left = 19;
- utf8_in(&last_letter_w, pre_ptr);
- pre_ptr--;
- letter_xbytes = utf8_in2(&letter_w, pre_ptr, 1)-1;
- letter = *pre_ptr;
- switch (rb)
- {
- case RULE_LETTERGP:
- letter_group = LetterGroupNo(rule++);
- if (IsLetter(tr, letter_w, letter_group)) {
- lg_pts = 20;
- if (letter_group == 2)
- lg_pts = 19; // fewer points for C, general consonant
- add_points = (lg_pts-distance_left);
- pre_ptr -= letter_xbytes;
- } else
- failed = 1;
- break;
- case RULE_LETTERGP2: // match against a list of utf-8 strings
- letter_group = LetterGroupNo(rule++);
- if ((n_bytes = IsLetterGroup(tr, pre_ptr, letter_group, 1)) >= 0) {
- add_points = (20-distance_right);
- if (n_bytes >= 0) // move pointer, if group was found
- pre_ptr -= (n_bytes-1);
- } else
- failed = 1;
- break;
- case RULE_NOTVOWEL:
- if (!IsLetter(tr, letter_w, 0)) {
- add_points = (20-distance_left);
- pre_ptr -= letter_xbytes;
- } else
- failed = 1;
- break;
- case RULE_DOUBLE:
- if (letter_w == last_letter_w)
- add_points = (21-distance_left);
- else
- failed = 1;
- break;
- case RULE_DIGIT:
- if (IsDigit(letter_w)) {
- add_points = (21-distance_left);
- pre_ptr -= letter_xbytes;
- } else
- failed = 1;
- break;
- case RULE_NONALPHA:
- if (!iswalpha(letter_w)) {
- add_points = (21-distance_right);
- pre_ptr -= letter_xbytes;
- } else
- failed = 1;
- break;
- case RULE_DOLLAR:
- command = *rule++;
- if ((command == DOLLAR_LIST) || ((command & 0xf0) == 0x20)) {
- // $list or $p_alt
- // make a copy of the word up to the current character
- ix = *word - word_start + 1;
- memcpy(word_buf, word_start-1, ix);
- word_buf[ix] = ' ';
- word_buf[ix+1] = 0;
- LookupFlags(tr, &word_buf[1], &flags);
- if ((command == DOLLAR_LIST) && (flags[0] & FLAG_FOUND) && !(flags[1] & FLAG_ONLY))
- add_points = 23;
- else if (flags[0] & (1 << (BITNUM_FLAG_ALT + (command & 0xf))))
- add_points = 23;
- else
- failed = 1;
- }
- break;
- case RULE_SYLLABLE:
- // more than specified number of vowels to the left
- syllable_count = 1;
- while (*rule == RULE_SYLLABLE) {
- rule++;
- syllable_count++; // number of syllables to match
- }
- if (syllable_count <= tr->word_vowel_count)
- add_points = (18+syllable_count-distance_left);
- else
- failed = 1;
- break;
- case RULE_STRESSED:
- if (tr->word_stressed_count > 0)
- add_points = 19;
- else
- failed = 1;
- break;
- case RULE_NOVOWELS:
- {
- char *p_local = pre_ptr - letter_xbytes - 1;
- while (letter_w != RULE_SPACE) {
- if (IsLetter(tr, letter_w, LETTERGP_VOWEL2)) {
- failed = 1;
- break;
- }
- p_local -= utf8_in2(&letter_w, p_local, 1);
- }
- if (!failed)
- add_points = 3;
- }
- break;
- case RULE_IFVERB:
- if (tr->expect_verb)
- add_points = 1;
- else
- failed = 1;
- break;
- case RULE_CAPITAL:
- if (word_flags & FLAG_FIRST_UPPER)
- add_points = 1;
- else
- failed = 1;
- break;
- case '.':
- // dot in pre- section, match on any dot before this point in the word
- for (p = pre_ptr; *p != ' '; p--) {
- if (*p == '.') {
- add_points = 50;
- break;
- }
- }
- if (*p == ' ')
- failed = 1;
- break;
- case '-':
- if ((letter == '-') || ((letter == ' ') && (word_flags & FLAG_HYPHEN)))
- add_points = (22-distance_right); // one point more than match against space
- else
- failed = 1;
- break;
- case RULE_SKIPCHARS: {
- // 'xyJ)' means 'skip characters backwards until xy'
- char *p_local = pre_ptr + 1; // to allow empty jump (without letter between), go one forward
- char *p2 = p_local; // pointer to previous character in word
- int g_bytes = -1; // bytes of successfully found character group
- while ((*p_local != *rule) && (*p_local != RULE_SPACE) && (*p_local != 0) && (g_bytes == -1)) {
- p2 = p_local;
- p_local--;
- if (*rule == RULE_LETTERGP2)
- g_bytes = IsLetterGroup(tr, p2, LetterGroupNo(rule + 1), 1);
- }
- // if succeed, set pre_ptr to next character after 'xy' and remaining
- // 'xy' part is checked as usual in following cycles of PRE rule characters
- if (*p_local == *rule)
- pre_ptr = p2;
- if (g_bytes >= 0)
- pre_ptr = p2 + 1;
- }
- break;
- default:
- if (letter == rb) {
- if (letter == RULE_SPACE)
- add_points = 4;
- else if ((letter & 0xc0) != 0x80) {
- // not for non-initial UTF-8 bytes
- add_points = (21-distance_left);
- }
- } else
- failed = 1;
- break;
- }
- break;
- }
- if (failed == 0)
- match.points += add_points;
- }
- if ((failed == 2) && (unpron_ignore == 0)) {
- // do we also need to check for 'start of word' ?
- if ((check_atstart == 0) || (pre_ptr[-1] == ' ')) {
- if (check_atstart)
- match.points += 4;
- // matched OK, is this better than the last best match ?
- if (match.points >= best.points) {
- memcpy(&best, &match, sizeof(match));
- total_consumed = consumed;
- }
- if ((option_phonemes & espeakPHONEMES_TRACE) && (match.points > 0) && ((word_flags & FLAG_NO_TRACE) == 0)) {
- // show each rule that matches, and it's points score
- int pts;
- char decoded_phonemes[80];
- pts = match.points;
- if (group_length > 1)
- pts += 35; // to account for an extra letter matching
- DecodePhonemes(match.phonemes, decoded_phonemes);
- fprintf(f_trans, "%3d\t%s [%s]\n", pts, DecodeRule(group_chars, group_length, rule_start, word_flags), decoded_phonemes);
- }
- }
- }
- // skip phoneme string to reach start of next template
- while (*rule++ != 0) ;
- }
- // advance input data pointer
- total_consumed += group_length;
- if (total_consumed == 0)
- total_consumed = 1; // always advance over 1st letter
- *word += total_consumed;
- if (best.points == 0)
- best.phonemes = "";
- memcpy(match_out, &best, sizeof(MatchRecord));
- }
- int TranslateRules(Translator *tr, char *p_start, char *phonemes, int ph_size, char *end_phonemes, int word_flags, unsigned int *dict_flags)
- {
- /* Translate a word bounded by space characters
- Append the result to 'phonemes' and any standard prefix/suffix in 'end_phonemes' */
- unsigned char c, c2;
- unsigned int c12;
- int wc = 0;
- int wc_bytes;
- char *p2; // copy of p for use in double letter chain match
- int found;
- int g; // group chain number
- int g1; // first group for this letter
- int n;
- int letter;
- int any_alpha = 0;
- int ix;
- unsigned int digit_count = 0;
- char *p;
- ALPHABET *alphabet;
- int dict_flags0 = 0;
- MatchRecord match1;
- MatchRecord match2;
- char ph_buf[40];
- char word_copy[N_WORD_BYTES];
- static const char str_pause[2] = { phonPAUSE_NOLINK, 0 };
- if (tr->data_dictrules == NULL)
- return 0;
- if (dict_flags != NULL)
- dict_flags0 = dict_flags[0];
- for (ix = 0; ix < (N_WORD_BYTES-1);) {
- c = p_start[ix];
- word_copy[ix++] = c;
- if (c == 0)
- break;
- }
- word_copy[ix] = 0;
- if ((option_phonemes & espeakPHONEMES_TRACE) && ((word_flags & FLAG_NO_TRACE) == 0)) {
- char wordbuf[120];
- unsigned int ixx;
- for (ixx = 0; ((c = p_start[ixx]) != ' ') && (c != 0) && (ixx < (sizeof(wordbuf)-1)); ixx++)
- wordbuf[ixx] = c;
- wordbuf[ixx] = 0;
- if (word_flags & FLAG_UNPRON_TEST)
- fprintf(f_trans, "Unpronouncable? '%s'\n", wordbuf);
- else
- fprintf(f_trans, "Translate '%s'\n", wordbuf);
- }
- p = p_start;
- tr->word_vowel_count = 0;
- tr->word_stressed_count = 0;
- if (end_phonemes != NULL)
- end_phonemes[0] = 0;
- while (((c = *p) != ' ') && (c != 0)) {
- wc_bytes = utf8_in(&wc, p);
- if (IsAlpha(wc))
- any_alpha++;
- n = tr->groups2_count[c];
- if (IsDigit(wc) && ((tr->langopts.tone_numbers == 0) || !any_alpha)) {
- // lookup the number in *_list not *_rules
- char string[8];
- char buf[40];
- string[0] = '_';
- memcpy(&string[1], p, wc_bytes);
- string[1+wc_bytes] = 0;
- Lookup(tr, string, buf);
- if (++digit_count >= 2) {
- strcat(buf, str_pause);
- digit_count = 0;
- }
- AppendPhonemes(tr, phonemes, ph_size, buf);
- p += wc_bytes;
- continue;
- } else {
- digit_count = 0;
- found = 0;
- if (((ix = wc - tr->letter_bits_offset) >= 0) && (ix < 128)) {
- if (tr->groups3[ix] != NULL) {
- MatchRule(tr, &p, p_start, wc_bytes, tr->groups3[ix], &match1, word_flags, dict_flags0);
- found = 1;
- }
- }
- if (!found && (n > 0)) {
- // there are some 2 byte chains for this initial letter
- c2 = p[1];
- c12 = c + (c2 << 8); // 2 characters
- g1 = tr->groups2_start[c];
- for (g = g1; g < (g1+n); g++) {
- if (tr->groups2_name[g] == c12) {
- found = 1;
- p2 = p;
- MatchRule(tr, &p2, p_start, 2, tr->groups2[g], &match2, word_flags, dict_flags0);
- if (match2.points > 0)
- match2.points += 35; // to acount for 2 letters matching
- // now see whether single letter chain gives a better match ?
- MatchRule(tr, &p, p_start, 1, tr->groups1[c], &match1, word_flags, dict_flags0);
- if (match2.points >= match1.points) {
- // use match from the 2-letter group
- memcpy(&match1, &match2, sizeof(MatchRecord));
- p = p2;
- }
- }
- }
- }
- if (!found) {
- // alphabetic, single letter chain
- if (tr->groups1[c] != NULL)
- MatchRule(tr, &p, p_start, 1, tr->groups1[c], &match1, word_flags, dict_flags0);
- else {
- // no group for this letter, use default group
- MatchRule(tr, &p, p_start, 0, tr->groups1[0], &match1, word_flags, dict_flags0);
- if ((match1.points == 0) && ((option_sayas & 0x10) == 0)) {
- n = utf8_in(&letter, p-1)-1;
- if (tr->letter_bits_offset > 0) {
- // not a Latin alphabet, switch to the default Latin alphabet language
- if ((letter <= 0x241) && iswalpha(letter)) {
- sprintf(phonemes, "%cen", phonSWITCH);
- return 0;
- }
- }
- // is it a bracket ?
- if (letter == 0xe000+'(') {
- if (pre_pause < tr->langopts.param2[LOPT_BRACKET_PAUSE])
- pre_pause = tr->langopts.param2[LOPT_BRACKET_PAUSE]; // a bracket, aleady spoken by AnnouncePunctuation()
- }
- if (IsBracket(letter)) {
- if (pre_pause < tr->langopts.param[LOPT_BRACKET_PAUSE])
- pre_pause = tr->langopts.param[LOPT_BRACKET_PAUSE];
- }
- // no match, try removing the accent and re-translating the word
- if ((letter >= 0xc0) && (letter < N_REMOVE_ACCENT) && ((ix = remove_accent[letter-0xc0]) != 0)) {
- // within range of the remove_accent table
- if ((p[-2] != ' ') || (p[n] != ' ')) {
- // not the only letter in the word
- p2 = p-1;
- p[-1] = ix;
- while ((p[0] = p[n]) != ' ') p++;
- while (n-- > 0) *p++ = ' '; // replacement character must be no longer than original
- if (tr->langopts.param[LOPT_DIERESES] && (lookupwchar(diereses_list, letter) > 0)) {
- // vowel with dieresis, replace and continue from this point
- p = p2;
- continue;
- }
- phonemes[0] = 0; // delete any phonemes which have been produced so far
- p = p_start;
- tr->word_vowel_count = 0;
- tr->word_stressed_count = 0;
- continue; // start again at the beginning of the word
- }
- }
- if (((alphabet = AlphabetFromChar(letter)) != NULL) && (alphabet->offset != tr->letter_bits_offset)) {
- if (tr->langopts.alt_alphabet == alphabet->offset) {
- sprintf(phonemes, "%c%s", phonSWITCH, WordToString2(tr->langopts.alt_alphabet_lang));
- return 0;
- }
- if (alphabet->flags & AL_WORDS) {
- // switch to the nominated language for this alphabet
- sprintf(phonemes, "%c%s", phonSWITCH, WordToString2(alphabet->language));
- return 0;
- }
- }
- }
- }
- if (match1.points == 0) {
- if ((wc >= 0x300) && (wc <= 0x36f)) {
- // combining accent inside a word, ignore
- } else if (IsAlpha(wc)) {
- if ((any_alpha > 1) || (p[wc_bytes-1] > ' ')) {
- // an unrecognised character in a word, abort and then spell the word
- phonemes[0] = 0;
- if (dict_flags != NULL)
- dict_flags[0] |= FLAG_SPELLWORD;
- break;
- }
- } else {
- LookupLetter(tr, wc, -1, ph_buf, 0);
- if (ph_buf[0]) {
- match1.phonemes = ph_buf;
- match1.points = 1;
- }
- }
- p += (wc_bytes-1);
- } else
- tr->phonemes_repeat_count = 0;
- }
- }
- if (match1.phonemes == NULL)
- match1.phonemes = "";
- if (match1.points > 0) {
- if (word_flags & FLAG_UNPRON_TEST)
- return match1.end_type | 1;
- if ((match1.phonemes[0] == phonSWITCH) && ((word_flags & FLAG_DONT_SWITCH_TRANSLATOR) == 0)) {
- // an instruction to switch language, return immediately so we can re-translate
- strcpy(phonemes, match1.phonemes);
- return 0;
- }
- if ((option_phonemes & espeakPHONEMES_TRACE) && ((word_flags & FLAG_NO_TRACE) == 0))
- fprintf(f_trans, "\n");
- match1.end_type &= ~SUFX_UNPRON;
- if ((match1.end_type != 0) && (end_phonemes != NULL)) {
- // a standard ending has been found, re-translate the word without it
- if ((match1.end_type & SUFX_P) && (word_flags & FLAG_NO_PREFIX)) {
- // ignore the match on a prefix
- } else {
- if ((match1.end_type & SUFX_P) && ((match1.end_type & 0x7f) == 0)) {
- // no prefix length specified
- match1.end_type |= p - p_start;
- }
- strcpy(end_phonemes, match1.phonemes);
- memcpy(p_start, word_copy, strlen(word_copy));
- return match1.end_type;
- }
- }
- if (match1.del_fwd != NULL)
- *match1.del_fwd = REPLACED_E;
- AppendPhonemes(tr, phonemes, ph_size, match1.phonemes);
- }
- }
- memcpy(p_start, word_copy, strlen(word_copy));
- return 0;
- }
- void ApplySpecialAttribute2(Translator *tr, char *phonemes, int dict_flags)
- {
- // apply after the translation is complete
- int ix;
- int len;
- char *p;
- len = strlen(phonemes);
- if (tr->langopts.param[LOPT_ALT] & 2) {
- for (ix = 0; ix < (len-1); ix++) {
- if (phonemes[ix] == phonSTRESS_P) {
- p = &phonemes[ix+1];
- if ((dict_flags & FLAG_ALT2_TRANS) != 0) {
- if (*p == PhonemeCode('E'))
- *p = PhonemeCode('e');
- if (*p == PhonemeCode('O'))
- *p = PhonemeCode('o');
- } else {
- if (*p == PhonemeCode('e'))
- *p = PhonemeCode('E');
- if (*p == PhonemeCode('o'))
- *p = PhonemeCode('O');
- }
- break;
- }
- }
- }
- }
- int TransposeAlphabet(Translator *tr, char *text)
- {
- // transpose cyrillic alphabet (for example) into ascii (single byte) character codes
- // return: number of bytes, bit 6: 1=used compression
- int c;
- int c2;
- int ix;
- int offset;
- int min;
- int max;
- const char *map;
- char *p = text;
- char *p2;
- int all_alpha = 1;
- int bits;
- int acc;
- int pairs_start;
- const short *pairs_list;
- int bufix;
- char buf[N_WORD_BYTES+1];
- offset = tr->transpose_min - 1;
- min = tr->transpose_min;
- max = tr->transpose_max;
- map = tr->transpose_map;
- pairs_start = max - min + 2;
- bufix = 0;
- do {
- p += utf8_in(&c, p);
- if (c != 0) {
- if ((c >= min) && (c <= max)) {
- if (map == NULL)
- buf[bufix++] = c - offset;
- else {
- // get the code from the transpose map
- if (map[c - min] > 0)
- buf[bufix++] = map[c - min];
- else {
- all_alpha = 0;
- break;
- }
- }
- } else {
- all_alpha = 0;
- break;
- }
- }
- } while ((c != 0) && (bufix < N_WORD_BYTES));
- buf[bufix] = 0;
- if (all_alpha) {
- // compress to 6 bits per character
- acc = 0;
- bits = 0;
- p = buf;
- p2 = buf;
- while ((c = *p++) != 0) {
- if ((pairs_list = tr->frequent_pairs) != NULL) {
- c2 = c + (*p << 8);
- for (ix = 0; c2 >= pairs_list[ix]; ix++) {
- if (c2 == pairs_list[ix]) {
- // found an encoding for a 2-character pair
- c = ix + pairs_start; // 2-character codes start after the single letter codes
- p++;
- break;
- }
- }
- }
- acc = (acc << 6) + (c & 0x3f);
- bits += 6;
- if (bits >= 8) {
- bits -= 8;
- *p2++ = (acc >> bits);
- }
- }
- if (bits > 0)
- *p2++ = (acc << (8-bits));
- *p2 = 0;
- ix = p2 - buf;
- memcpy(text, buf, ix);
- return ix | 0x40; // bit 6 indicates compressed characters
- }
- return strlen(text);
- }
- /* Find an entry in the word_dict file for a specified word.
- Returns NULL if no match, else returns 'word_end'
- word zero terminated word to match
- word2 pointer to next word(s) in the input text (terminated by space)
- flags: returns dictionary flags which are associated with a matched word
- end_flags: indicates whether this is a retranslation after removing a suffix
- */
- static const char *LookupDict2(Translator *tr, const char *word, const char *word2,
- char *phonetic, unsigned int *flags, int end_flags, WORD_TAB *wtab)
- {
- char *p;
- char *next;
- int hash;
- int phoneme_len;
- int wlen;
- unsigned char flag;
- unsigned int dictionary_flags;
- unsigned int dictionary_flags2;
- int condition_failed = 0;
- int n_chars;
- int no_phonemes;
- int skipwords;
- int ix;
- int c;
- const char *word_end;
- const char *word1;
- int wflags = 0;
- int lookup_symbol;
- char word_buf[N_WORD_BYTES+1];
- char dict_flags_buf[80];
- if (wtab != NULL)
- wflags = wtab->flags;
- lookup_symbol = flags[1] & FLAG_LOOKUP_SYMBOL;
- word1 = word;
- if (tr->transpose_min > 0) {
- strncpy0(word_buf, word, N_WORD_BYTES);
- wlen = TransposeAlphabet(tr, word_buf); // bit 6 indicates compressed characters
- word = word_buf;
- } else
- wlen = strlen(word);
- hash = HashDictionary(word);
- p = tr->dict_hashtab[hash];
- if (p == NULL) {
- if (flags != NULL)
- *flags = 0;
- return 0;
- }
- // Find the first entry in the list for this hash value which matches.
- // This corresponds to the last matching entry in the *_list file.
- while (*p != 0) {
- next = p + p[0];
- if (((p[1] & 0x7f) != wlen) || (memcmp(word, &p[2], wlen & 0x3f) != 0)) {
- // bit 6 of wlen indicates whether the word has been compressed; so we need to match on this also.
- p = next;
- continue;
- }
- // found matching entry. Decode the phonetic string
- word_end = word2;
- dictionary_flags = 0;
- dictionary_flags2 = 0;
- no_phonemes = p[1] & 0x80;
- p += ((p[1] & 0x3f) + 2);
- if (no_phonemes) {
- phonetic[0] = 0;
- phoneme_len = 0;
- } else {
- strcpy(phonetic, p);
- phoneme_len = strlen(p);
- p += (phoneme_len + 1);
- }
- while (p < next) {
- // examine the flags which follow the phoneme string
- flag = *p++;
- if (flag >= 100) {
- // conditional rule
- if (flag >= 132) {
- // fail if this condition is set
- if ((tr->dict_condition & (1 << (flag-132))) != 0)
- condition_failed = 1;
- } else {
- // allow only if this condition is set
- if ((tr->dict_condition & (1 << (flag-100))) == 0)
- condition_failed = 1;
- }
- } else if (flag > 80) {
- // flags 81 to 90 match more than one word
- // This comes after the other flags
- n_chars = next - p;
- skipwords = flag - 80;
- // don't use the contraction if any of the words are emphasized
- // or has an embedded command, such as MARK
- if (wtab != NULL) {
- for (ix = 0; ix <= skipwords; ix++) {
- if (wtab[ix].flags & FLAG_EMPHASIZED2)
- condition_failed = 1;
- }
- }
- if (memcmp(word2, p, n_chars) != 0)
- condition_failed = 1;
- if (condition_failed) {
- p = next;
- break;
- }
- dictionary_flags |= FLAG_SKIPWORDS;
- dictionary_skipwords = skipwords;
- p = next;
- word_end = word2 + n_chars;
- } else if (flag > 64) {
- // stressed syllable information, put in bits 0-3
- dictionary_flags = (dictionary_flags & ~0xf) | (flag & 0xf);
- if ((flag & 0xc) == 0xc)
- dictionary_flags |= FLAG_STRESS_END;
- } else if (flag >= 32)
- dictionary_flags2 |= (1L << (flag-32));
- else
- dictionary_flags |= (1L << flag);
- }
- if (condition_failed) {
- condition_failed = 0;
- continue;
- }
- if ((end_flags & FLAG_SUFX) == 0) {
- // no suffix has been removed
- if (dictionary_flags2 & FLAG_STEM)
- continue; // this word must have a suffix
- }
- if ((end_flags & SUFX_P) && (dictionary_flags2 & (FLAG_ONLY | FLAG_ONLY_S)))
- continue; // $only or $onlys, don't match if a prefix has been removed
- if (end_flags & FLAG_SUFX) {
- // a suffix was removed from the word
- if (dictionary_flags2 & FLAG_ONLY)
- continue; // no match if any suffix
- if ((dictionary_flags2 & FLAG_ONLY_S) && ((end_flags & FLAG_SUFX_S) == 0)) {
- // only a 's' suffix allowed, but the suffix wasn't 's'
- continue;
- }
- }
- if (dictionary_flags2 & FLAG_HYPHENATED) {
- if (!(wflags & FLAG_HYPHEN_AFTER))
- continue;
- }
- if (dictionary_flags2 & FLAG_CAPITAL) {
- if (!(wflags & FLAG_FIRST_UPPER))
- continue;
- }
- if (dictionary_flags2 & FLAG_ALLCAPS) {
- if (!(wflags & FLAG_ALL_UPPER))
- continue;
- }
- if (dictionary_flags & FLAG_NEEDS_DOT) {
- if (!(wflags & FLAG_HAS_DOT))
- continue;
- }
- if ((dictionary_flags2 & FLAG_ATEND) && (word_end < translator->clause_end) && (lookup_symbol == 0)) {
- // only use this pronunciation if it's the last word of the clause, or called from Lookup()
- continue;
- }
- if ((dictionary_flags2 & FLAG_ATSTART) && !(wflags & FLAG_FIRST_WORD)) {
- // only use this pronunciation if it's the first word of a clause
- continue;
- }
- if ((dictionary_flags2 & FLAG_SENTENCE) && !(translator->clause_terminator & CLAUSE_TYPE_SENTENCE)) {
- // only if this clause is a sentence , i.e. terminator is {. ? !} not {, : :}
- continue;
- }
- if (dictionary_flags2 & FLAG_VERB) {
- // this is a verb-form pronunciation
- if (tr->expect_verb || (tr->expect_verb_s && (end_flags & FLAG_SUFX_S))) {
- // OK, we are expecting a verb
- if ((tr->translator_name == L('e', 'n')) && (tr->prev_dict_flags[0] & FLAG_ALT7_TRANS) && (end_flags & FLAG_SUFX_S)) {
- // lang=en, don't use verb form after 'to' if the word has 's' suffix
- continue;
- }
- } else {
- // don't use the 'verb' pronunciation unless we are expecting a verb
- continue;
- }
- }
- if (dictionary_flags2 & FLAG_PAST) {
- if (!tr->expect_past) {
- // don't use the 'past' pronunciation unless we are expecting past tense
- continue;
- }
- }
- if (dictionary_flags2 & FLAG_NOUN) {
- if ((!tr->expect_noun) || (end_flags & SUFX_V)) {
- // don't use the 'noun' pronunciation unless we are expecting a noun
- continue;
- }
- }
- if (dictionary_flags2 & FLAG_NATIVE) {
- if (tr != translator)
- continue; // don't use if we've switched translators
- }
- if (dictionary_flags & FLAG_ALT2_TRANS) {
- // language specific
- if ((tr->translator_name == L('h', 'u')) && !(tr->prev_dict_flags[0] & FLAG_ALT_TRANS))
- continue;
- }
- if (flags != NULL) {
- flags[0] = dictionary_flags | FLAG_FOUND_ATTRIBUTES;
- flags[1] = dictionary_flags2;
- }
- if (phoneme_len == 0) {
- if (option_phonemes & espeakPHONEMES_TRACE) {
- print_dictionary_flags(flags, dict_flags_buf, sizeof(dict_flags_buf));
- fprintf(f_trans, "Flags: %s %s\n", word1, dict_flags_buf);
- }
- return 0; // no phoneme translation found here, only flags. So use rules
- }
- if (flags != NULL)
- flags[0] |= FLAG_FOUND; // this flag indicates word was found in dictionary
- if (option_phonemes & espeakPHONEMES_TRACE) {
- char ph_decoded[N_WORD_PHONEMES];
- int textmode;
- DecodePhonemes(phonetic, ph_decoded);
- if ((dictionary_flags & FLAG_TEXTMODE) == 0)
- textmode = 0;
- else
- textmode = 1;
- if (textmode == translator->langopts.textmode) {
- // only show this line if the word translates to phonemes, not replacement text
- if ((dictionary_flags & FLAG_SKIPWORDS) && (wtab != NULL)) {
- // matched more than one word
- // (check for wtab prevents showing RULE_SPELLING byte when speaking individual letters)
- memcpy(word_buf, word2, word_end-word2);
- word_buf[word_end-word2-1] = 0;
- fprintf(f_trans, "Found: '%s %s\n", word1, word_buf);
- } else
- fprintf(f_trans, "Found: '%s", word1);
- print_dictionary_flags(flags, dict_flags_buf, sizeof(dict_flags_buf));
- fprintf(f_trans, "' [%s] %s\n", ph_decoded, dict_flags_buf);
- }
- }
- ix = utf8_in(&c, word);
- if ((word[ix] == 0) && !IsAlpha(c))
- flags[0] |= FLAG_MAX3;
- return word_end;
- }
- return 0;
- }
- /* Lookup a specified word in the word dictionary.
- Returns phonetic data in 'phonetic' and bits in 'flags'
- end_flags: indicates if a suffix has been removed
- */
- int LookupDictList(Translator *tr, char **wordptr, char *ph_out, unsigned int *flags, int end_flags, WORD_TAB *wtab)
- {
- int length;
- const char *found;
- const char *word1;
- const char *word2;
- unsigned char c;
- int nbytes;
- int len;
- char word[N_WORD_BYTES];
- static char word_replacement[N_WORD_BYTES];
- length = 0;
- word2 = word1 = *wordptr;
- while ((word2[nbytes = utf8_nbytes(word2)] == ' ') && (word2[nbytes+1] == '.')) {
- // look for an abbreviation of the form a.b.c
- // try removing the spaces between the dots and looking for a match
- memcpy(&word[length], word2, nbytes);
- length += nbytes;
- word[length++] = '.';
- word2 += nbytes+3;
- }
- if (length > 0) {
- // found an abbreviation containing dots
- nbytes = 0;
- while (((c = word2[nbytes]) != 0) && (c != ' '))
- nbytes++;
- memcpy(&word[length], word2, nbytes);
- word[length+nbytes] = 0;
- found = LookupDict2(tr, word, word2, ph_out, flags, end_flags, wtab);
- if (found) {
- // set the skip words flag
- flags[0] |= FLAG_SKIPWORDS;
- dictionary_skipwords = length;
- return 1;
- }
- }
- for (length = 0; length < (N_WORD_BYTES-1); length++) {
- if (((c = *word1++) == 0) || (c == ' '))
- break;
- if ((c == '.') && (length > 0) && (IsDigit09(word[length-1])))
- break; // needed for lang=hu, eg. "december 2.-ig"
- word[length] = c;
- }
- word[length] = 0;
- found = LookupDict2(tr, word, word1, ph_out, flags, end_flags, wtab);
- if (flags[0] & FLAG_MAX3) {
- if (strcmp(ph_out, tr->phonemes_repeat) == 0) {
- tr->phonemes_repeat_count++;
- if (tr->phonemes_repeat_count > 3)
- ph_out[0] = 0;
- } else {
- strncpy0(tr->phonemes_repeat, ph_out, sizeof(tr->phonemes_repeat));
- tr->phonemes_repeat_count = 1;
- }
- } else
- tr->phonemes_repeat_count = 0;
- if ((found == 0) && (flags[1] & FLAG_ACCENT)) {
- int letter;
- word2 = word;
- if (*word2 == '_') word2++;
- len = utf8_in(&letter, word2);
- LookupAccentedLetter(tr, letter, ph_out);
- found = word2 + len;
- }
- if (found == 0 && length >= 2) {
- ph_out[0] = 0;
- // try modifications to find a recognised word
- if ((end_flags & FLAG_SUFX_E_ADDED) && (word[length-1] == 'e')) {
- // try removing an 'e' which has been added by RemoveEnding
- word[length-1] = 0;
- found = LookupDict2(tr, word, word1, ph_out, flags, end_flags, wtab);
- } else if ((end_flags & SUFX_D) && (word[length-1] == word[length-2])) {
- // try removing a double letter
- word[length-1] = 0;
- found = LookupDict2(tr, word, word1, ph_out, flags, end_flags, wtab);
- }
- }
- if (found) {
- // if textmode is the default, then words which have phonemes are marked.
- if (tr->langopts.textmode)
- *flags ^= FLAG_TEXTMODE;
- if (*flags & FLAG_TEXTMODE) {
- // the word translates to replacement text, not to phonemes
- if (end_flags & FLAG_ALLOW_TEXTMODE) {
- // only use replacement text if this is the original word, not if a prefix or suffix has been removed
- word_replacement[0] = 0;
- word_replacement[1] = ' ';
- sprintf(&word_replacement[2], "%s ", ph_out); // replacement word, preceded by zerochar and space
- word1 = *wordptr;
- *wordptr = &word_replacement[2];
- if (option_phonemes & espeakPHONEMES_TRACE) {
- len = found - word1;
- memcpy(word, word1, len); // include multiple matching words
- word[len] = 0;
- fprintf(f_trans, "Replace: %s %s\n", word, *wordptr);
- }
- }
- ph_out[0] = 0;
- return 0;
- }
- return 1;
- }
- ph_out[0] = 0;
- return 0;
- }
- extern char word_phonemes[N_WORD_PHONEMES]; // a word translated into phoneme codes
- int Lookup(Translator *tr, const char *word, char *ph_out)
- {
- // Look up in *_list, returns dictionary flags[0] and phonemes
- int flags0;
- unsigned int flags[2];
- int say_as;
- char *word1 = (char *)word;
- char text[80];
- flags[0] = 0;
- flags[1] = FLAG_LOOKUP_SYMBOL;
- if ((flags0 = LookupDictList(tr, &word1, ph_out, flags, FLAG_ALLOW_TEXTMODE, NULL)) != 0)
- flags0 = flags[0];
- if (flags[0] & FLAG_TEXTMODE) {
- say_as = option_sayas;
- option_sayas = 0; // don't speak replacement word as letter names
- strncpy0(text, word1, sizeof(text));
- flags0 = TranslateWord(tr, text, NULL, NULL);
- strcpy(ph_out, word_phonemes);
- option_sayas = say_as;
- }
- return flags0;
- }
- int LookupFlags(Translator *tr, const char *word, unsigned int **flags_out)
- {
- char buf[100];
- static unsigned int flags[2];
- char *word1 = (char *)word;
- flags[0] = flags[1] = 0;
- LookupDictList(tr, &word1, buf, flags, 0, NULL);
- *flags_out = flags;
- return flags[0];
- }
- int RemoveEnding(Translator *tr, char *word, int end_type, char *word_copy)
- {
- /* Removes a standard suffix from a word, once it has been indicated by the dictionary rules.
- end_type: bits 0-6 number of letters
- bits 8-14 suffix flags
- word_copy: make a copy of the original word
- This routine is language specific. In English it deals with reversing y->i and e-dropping
- that were done when the suffix was added to the original word.
- */
- int i;
- char *word_end;
- int len_ending;
- int end_flags;
- const char *p;
- int len;
- char ending[50] = {0};
- // these lists are language specific, but are only relevent if the 'e' suffix flag is used
- static const char *add_e_exceptions[] = {
- "ion", NULL
- };
- static const char *add_e_additions[] = {
- "c", "rs", "ir", "ur", "ath", "ns", "u", NULL
- };
- for (word_end = word; *word_end != ' '; word_end++) {
- // replace discarded 'e's
- if (*word_end == REPLACED_E)
- *word_end = 'e';
- }
- i = word_end - word;
- if (word_copy != NULL) {
- memcpy(word_copy, word, i);
- word_copy[i] = 0;
- }
- // look for multibyte characters to increase the number of bytes to remove
- for (len_ending = i = (end_type & 0x3f); i > 0; i--) { // num.of characters of the suffix
- word_end--;
- while ((*word_end & 0xc0) == 0x80) {
- word_end--; // for multibyte characters
- len_ending++;
- }
- }
- // remove bytes from the end of the word and replace them by spaces
- for (i = 0; (i < len_ending) && (i < (int)sizeof(ending)-1); i++) {
- ending[i] = word_end[i];
- word_end[i] = ' ';
- }
- ending[i] = 0;
- word_end--; // now pointing at last character of stem
- end_flags = (end_type & 0xfff0) | FLAG_SUFX;
- /* add an 'e' to the stem if appropriate,
- if stem ends in vowel+consonant
- or stem ends in 'c' (add 'e' to soften it) */
- if (end_type & SUFX_I) {
- if (word_end[0] == 'i')
- word_end[0] = 'y';
- }
- if (end_type & SUFX_E) {
- if (tr->translator_name == L('n', 'l')) {
- 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])) {
- // double the vowel before the (ascii) final consonant
- word_end[1] = word_end[0];
- word_end[0] = word_end[-1];
- word_end[2] = ' ';
- }
- } else if (tr->translator_name == L('e', 'n')) {
- // add 'e' to end of stem
- if (IsLetter(tr, word_end[-1], LETTERGP_VOWEL2) && IsLetter(tr, word_end[0], 1)) {
- // vowel(incl.'y') + hard.consonant
- for (i = 0; (p = add_e_exceptions[i]) != NULL; i++) {
- len = strlen(p);
- if (memcmp(p, &word_end[1-len], len) == 0)
- break;
- }
- if (p == NULL)
- end_flags |= FLAG_SUFX_E_ADDED; // no exception found
- } else {
- for (i = 0; (p = add_e_additions[i]) != NULL; i++) {
- len = strlen(p);
- if (memcmp(p, &word_end[1-len], len) == 0) {
- end_flags |= FLAG_SUFX_E_ADDED;
- break;
- }
- }
- }
- } else if (tr->langopts.suffix_add_e != 0)
- end_flags |= FLAG_SUFX_E_ADDED;
- if (end_flags & FLAG_SUFX_E_ADDED) {
- utf8_out(tr->langopts.suffix_add_e, &word_end[1]);
- if (option_phonemes & espeakPHONEMES_TRACE)
- fprintf(f_trans, "add e\n");
- }
- }
- if ((end_type & SUFX_V) && (tr->expect_verb == 0))
- tr->expect_verb = 1; // this suffix indicates the verb pronunciation
- if ((strcmp(ending, "s") == 0) || (strcmp(ending, "es") == 0))
- end_flags |= FLAG_SUFX_S;
- if (ending[0] == '\'')
- end_flags &= ~FLAG_SUFX; // don't consider 's as an added suffix
- return end_flags;
- }
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