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-rw-r--r--libs/hunspell/src/phonet.cxx270
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diff --git a/libs/hunspell/src/phonet.cxx b/libs/hunspell/src/phonet.cxx
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--- a/libs/hunspell/src/phonet.cxx
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@@ -1,270 +0,0 @@
-/* phonetic.c - generic replacement aglogithms for phonetic transformation
- Copyright (C) 2000 Bjoern Jacke
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License version 2.1 as published by the Free Software Foundation;
-
- This library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; If not, see
- <http://www.gnu.org/licenses/>.
-
- Changelog:
-
- 2000-01-05 Bjoern Jacke <bjoern at j3e.de>
- Initial Release insprired by the article about phonetic
- transformations out of c't 25/1999
-
- 2007-07-26 Bjoern Jacke <bjoern at j3e.de>
- Released under MPL/GPL/LGPL tri-license for Hunspell
-
- 2007-08-23 Laszlo Nemeth <nemeth at OOo>
- Porting from Aspell to Hunspell using C-like structs
-*/
-
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <ctype.h>
-
-#include "csutil.hxx"
-#include "phonet.hxx"
-
-void init_phonet_hash(phonetable& parms) {
- for (int i = 0; i < HASHSIZE; i++) {
- parms.hash[i] = -1;
- }
-
- for (int i = 0; parms.rules[i][0] != '\0'; i += 2) {
- /** set hash value **/
- int k = (unsigned char)parms.rules[i][0];
-
- if (parms.hash[k] < 0) {
- parms.hash[k] = i;
- }
- }
-}
-
-// like strcpy but safe if the strings overlap
-// but only if dest < src
-static inline void strmove(char* dest, char* src) {
- while (*src)
- *dest++ = *src++;
- *dest = '\0';
-}
-
-static int myisalpha(char ch) {
- if ((unsigned char)ch < 128)
- return isalpha(ch);
- return 1;
-}
-
-/* Do phonetic transformation. */
-/* phonetic transcription algorithm */
-/* see: http://aspell.net/man-html/Phonetic-Code.html */
-/* convert string to uppercase before this call */
-std::string phonet(const std::string& inword, phonetable& parms) {
-
- int i, k = 0, p, z;
- int k0, n0, p0 = -333;
- char c;
- typedef unsigned char uchar;
-
- size_t len = inword.size();
- if (len > MAXPHONETUTF8LEN)
- return std::string();
- char word[MAXPHONETUTF8LEN + 1];
- strncpy(word, inword.c_str(), MAXPHONETUTF8LEN);
- word[MAXPHONETUTF8LEN] = '\0';
-
- std::string target;
- /** check word **/
- i = z = 0;
- while ((c = word[i]) != '\0') {
- int n = parms.hash[(uchar)c];
- int z0 = 0;
-
- if (n >= 0 && !parms.rules[n].empty()) {
- /** check all rules for the same letter **/
- while (parms.rules[n][0] == c) {
- /** check whole string **/
- k = 1; /** number of found letters **/
- p = 5; /** default priority **/
- const char*s = parms.rules[n].c_str();
- s++; /** important for (see below) "*(s-1)" **/
-
- while (*s != '\0' && word[i + k] == *s && !isdigit((unsigned char)*s) &&
- strchr("(-<^$", *s) == NULL) {
- k++;
- s++;
- }
- if (*s == '(') {
- /** check letters in "(..)" **/
- if (myisalpha(word[i + k]) // ...could be implied?
- && strchr(s + 1, word[i + k]) != NULL) {
- k++;
- while (*s != ')')
- s++;
- s++;
- }
- }
- p0 = (int)*s;
- k0 = k;
- while (*s == '-' && k > 1) {
- k--;
- s++;
- }
- if (*s == '<')
- s++;
- if (isdigit((unsigned char)*s)) {
- /** determine priority **/
- p = *s - '0';
- s++;
- }
- if (*s == '^' && *(s + 1) == '^')
- s++;
-
- if (*s == '\0' || (*s == '^' && (i == 0 || !myisalpha(word[i - 1])) &&
- (*(s + 1) != '$' || (!myisalpha(word[i + k0])))) ||
- (*s == '$' && i > 0 && myisalpha(word[i - 1]) &&
- (!myisalpha(word[i + k0])))) {
- /** search for followup rules, if: **/
- /** parms.followup and k > 1 and NO '-' in searchstring **/
- char c0 = word[i + k - 1];
- n0 = parms.hash[(uchar)c0];
-
- // if (parms.followup && k > 1 && n0 >= 0
- if (k > 1 && n0 >= 0 && p0 != (int)'-' && word[i + k] != '\0' && !parms.rules[n0].empty()) {
- /** test follow-up rule for "word[i+k]" **/
- while (parms.rules[n0][0] == c0) {
- /** check whole string **/
- k0 = k;
- p0 = 5;
- s = parms.rules[n0].c_str();
- s++;
- while (*s != '\0' && word[i + k0] == *s &&
- !isdigit((unsigned char)*s) &&
- strchr("(-<^$", *s) == NULL) {
- k0++;
- s++;
- }
- if (*s == '(') {
- /** check letters **/
- if (myisalpha(word[i + k0]) &&
- strchr(s + 1, word[i + k0]) != NULL) {
- k0++;
- while (*s != ')' && *s != '\0')
- s++;
- if (*s == ')')
- s++;
- }
- }
- while (*s == '-') {
- /** "k0" gets NOT reduced **/
- /** because "if (k0 == k)" **/
- s++;
- }
- if (*s == '<')
- s++;
- if (isdigit((unsigned char)*s)) {
- p0 = *s - '0';
- s++;
- }
-
- if (*s == '\0'
- /** *s == '^' cuts **/
- || (*s == '$' && !myisalpha(word[i + k0]))) {
- if (k0 == k) {
- /** this is just a piece of the string **/
- n0 += 2;
- continue;
- }
-
- if (p0 < p) {
- /** priority too low **/
- n0 += 2;
- continue;
- }
- /** rule fits; stop search **/
- break;
- }
- n0 += 2;
- } /** End of "while (parms.rules[n0][0] == c0)" **/
-
- if (p0 >= p && parms.rules[n0][0] == c0) {
- n += 2;
- continue;
- }
- } /** end of follow-up stuff **/
-
- /** replace string **/
- s = parms.rules[n + 1].c_str();
- p0 = (!parms.rules[n].empty() &&
- strchr(parms.rules[n].c_str() + 1, '<') != NULL)
- ? 1
- : 0;
- if (p0 == 1 && z == 0) {
- /** rule with '<' is used **/
- if (!target.empty() && *s != '\0' &&
- (target[target.size()-1] == c || target[target.size()-1] == *s)) {
- target.erase(target.size() - 1);
- }
- z0 = 1;
- z = 1;
- k0 = 0;
- while (*s != '\0' && word[i + k0] != '\0') {
- word[i + k0] = *s;
- k0++;
- s++;
- }
- if (k > k0)
- strmove(&word[0] + i + k0, &word[0] + i + k);
-
- /** new "actual letter" **/
- c = word[i];
- } else { /** no '<' rule used **/
- i += k - 1;
- z = 0;
- while (*s != '\0' && *(s + 1) != '\0' && target.size() < len) {
- if (target.empty() || target[target.size()-1] != *s) {
- target.push_back(*s);
- }
- s++;
- }
- /** new "actual letter" **/
- c = *s;
- if (!parms.rules[n].empty() &&
- strstr(parms.rules[n].c_str() + 1, "^^") != NULL) {
- if (c != '\0') {
- target.push_back(c);
- }
- strmove(&word[0], &word[0] + i + 1);
- i = 0;
- z0 = 1;
- }
- }
- break;
- } /** end of follow-up stuff **/
- n += 2;
- } /** end of while (parms.rules[n][0] == c) **/
- } /** end of if (n >= 0) **/
- if (z0 == 0) {
- if (k && !p0 && target.size() < len && c != '\0') {
- /** condense only double letters **/
- target.push_back(c);
- /// printf("\n setting \n");
- }
-
- i++;
- z = 0;
- k = 0;
- }
- } /** end of while ((c = word[i]) != '\0') **/
-
- return target;
-} /** end of function "phonet" **/