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Aegisub/subprojects/hunspell/src/hunspell/hashmgr.cxx

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#include "license.hunspell"
#include "license.myspell"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include <limits>
#include "hashmgr.hxx"
#include "csutil.hxx"
#include "atypes.hxx"
// build a hash table from a munched word list
HashMgr::HashMgr(const char * tpath, const char * apath, const char * key)
: tablesize(0)
, tableptr(NULL)
, userword(0)
, flag_mode(FLAG_CHAR)
, complexprefixes(0)
, utf8(0)
, forbiddenword(FORBIDDENWORD) // forbidden word signing flag
, numaliasf(0)
, aliasf(NULL)
, aliasflen(0)
, numaliasm(0)
, aliasm(NULL)
{
langnum = 0;
lang = NULL;
enc = NULL;
csconv = 0;
ignorechars = NULL;
ignorechars_utf16 = NULL;
ignorechars_utf16_len = 0;
load_config(apath, key);
int ec = load_tables(tpath, key);
if (ec) {
/* error condition - what should we do here */
HUNSPELL_WARNING(stderr, "Hash Manager Error : %d\n",ec);
if (tableptr) {
free(tableptr);
tableptr = NULL;
}
tablesize = 0;
}
}
HashMgr::~HashMgr()
{
if (tableptr) {
// now pass through hash table freeing up everything
// go through column by column of the table
for (int i=0; i < tablesize; i++) {
struct hentry * pt = tableptr[i];
struct hentry * nt = NULL;
while(pt) {
nt = pt->next;
if (pt->astr && (!aliasf || TESTAFF(pt->astr, ONLYUPCASEFLAG, pt->alen))) free(pt->astr);
free(pt);
pt = nt;
}
}
free(tableptr);
}
tablesize = 0;
if (aliasf) {
for (int j = 0; j < (numaliasf); j++) free(aliasf[j]);
free(aliasf);
aliasf = NULL;
if (aliasflen) {
free(aliasflen);
aliasflen = NULL;
}
}
if (aliasm) {
for (int j = 0; j < (numaliasm); j++) free(aliasm[j]);
free(aliasm);
aliasm = NULL;
}
#ifndef OPENOFFICEORG
#ifndef MOZILLA_CLIENT
if (utf8) free_utf_tbl();
#endif
#endif
if (enc) free(enc);
if (lang) free(lang);
if (ignorechars) free(ignorechars);
if (ignorechars_utf16) free(ignorechars_utf16);
#ifdef MOZILLA_CLIENT
delete [] csconv;
#endif
}
// lookup a root word in the hashtable
struct hentry * HashMgr::lookup(const char *word) const
{
struct hentry * dp;
if (tableptr) {
dp = tableptr[hash(word)];
if (!dp) return NULL;
for ( ; dp != NULL; dp = dp->next) {
if (strcmp(word, dp->word) == 0) return dp;
}
}
return NULL;
}
// add a word to the hash table (private)
int HashMgr::add_word(const char * word, int wbl, int wcl, unsigned short * aff,
int al, const char * desc, bool onlyupcase)
{
bool upcasehomonym = false;
int descl = desc ? (aliasm ? sizeof(char *) : strlen(desc) + 1) : 0;
// variable-length hash record with word and optional fields
struct hentry* hp =
(struct hentry *) malloc (sizeof(struct hentry) + wbl + descl);
if (!hp) return 1;
char * hpw = hp->word;
strcpy(hpw, word);
if (ignorechars != NULL) {
if (utf8) {
remove_ignored_chars_utf(hpw, ignorechars_utf16, ignorechars_utf16_len);
} else {
remove_ignored_chars(hpw, ignorechars);
}
}
if (complexprefixes) {
if (utf8) reverseword_utf(hpw); else reverseword(hpw);
}
int i = hash(hpw);
hp->blen = (unsigned char) wbl;
hp->clen = (unsigned char) wcl;
hp->alen = (short) al;
hp->astr = aff;
hp->next = NULL;
hp->next_homonym = NULL;
// store the description string or its pointer
if (desc) {
hp->var = H_OPT;
if (aliasm) {
hp->var += H_OPT_ALIASM;
store_pointer(hpw + wbl + 1, get_aliasm(atoi(desc)));
} else {
strcpy(hpw + wbl + 1, desc);
if (complexprefixes) {
if (utf8) reverseword_utf(HENTRY_DATA(hp));
else reverseword(HENTRY_DATA(hp));
}
}
if (strstr(HENTRY_DATA(hp), MORPH_PHON)) hp->var += H_OPT_PHON;
} else hp->var = 0;
struct hentry * dp = tableptr[i];
if (!dp) {
tableptr[i] = hp;
return 0;
}
while (dp->next != NULL) {
if ((!dp->next_homonym) && (strcmp(hp->word, dp->word) == 0)) {
// remove hidden onlyupcase homonym
if (!onlyupcase) {
if ((dp->astr) && TESTAFF(dp->astr, ONLYUPCASEFLAG, dp->alen)) {
free(dp->astr);
dp->astr = hp->astr;
dp->alen = hp->alen;
free(hp);
return 0;
} else {
dp->next_homonym = hp;
}
} else {
upcasehomonym = true;
}
}
dp=dp->next;
}
if (strcmp(hp->word, dp->word) == 0) {
// remove hidden onlyupcase homonym
if (!onlyupcase) {
if ((dp->astr) && TESTAFF(dp->astr, ONLYUPCASEFLAG, dp->alen)) {
free(dp->astr);
dp->astr = hp->astr;
dp->alen = hp->alen;
free(hp);
return 0;
} else {
dp->next_homonym = hp;
}
} else {
upcasehomonym = true;
}
}
if (!upcasehomonym) {
dp->next = hp;
} else {
// remove hidden onlyupcase homonym
if (hp->astr) free(hp->astr);
free(hp);
}
return 0;
}
int HashMgr::add_hidden_capitalized_word(char * word, int wbl, int wcl,
unsigned short * flags, int flagslen, char * dp, int captype)
{
if (flags == NULL)
flagslen = 0;
// add inner capitalized forms to handle the following allcap forms:
// Mixed caps: OpenOffice.org -> OPENOFFICE.ORG
// Allcaps with suffixes: CIA's -> CIA'S
if (((captype == HUHCAP) || (captype == HUHINITCAP) ||
((captype == ALLCAP) && (flagslen != 0))) &&
!((flagslen != 0) && TESTAFF(flags, forbiddenword, flagslen))) {
unsigned short * flags2 = (unsigned short *) malloc (sizeof(unsigned short) * (flagslen+1));
if (!flags2) return 1;
if (flagslen) memcpy(flags2, flags, flagslen * sizeof(unsigned short));
flags2[flagslen] = ONLYUPCASEFLAG;
if (utf8) {
char st[BUFSIZE];
w_char w[BUFSIZE];
int wlen = u8_u16(w, BUFSIZE, word);
mkallsmall_utf(w, wlen, langnum);
mkallcap_utf(w, 1, langnum);
u16_u8(st, BUFSIZE, w, wlen);
return add_word(st,wbl,wcl,flags2,flagslen+1,dp, true);
} else {
mkallsmall(word, csconv);
mkinitcap(word, csconv);
return add_word(word,wbl,wcl,flags2,flagslen+1,dp, true);
}
}
return 0;
}
// detect captype and modify word length for UTF-8 encoding
int HashMgr::get_clen_and_captype(const char * word, int wbl, int * captype) {
int len;
if (utf8) {
w_char dest_utf[BUFSIZE];
len = u8_u16(dest_utf, BUFSIZE, word);
*captype = get_captype_utf8(dest_utf, len, langnum);
} else {
len = wbl;
*captype = get_captype((char *) word, len, csconv);
}
return len;
}
// remove word (personal dictionary function for standalone applications)
int HashMgr::remove(const char * word)
{
struct hentry * dp = lookup(word);
while (dp) {
if (dp->alen == 0 || !TESTAFF(dp->astr, forbiddenword, dp->alen)) {
unsigned short * flags =
(unsigned short *) malloc(sizeof(short) * (dp->alen + 1));
if (!flags) return 1;
for (int i = 0; i < dp->alen; i++) flags[i] = dp->astr[i];
flags[dp->alen] = forbiddenword;
dp->astr = flags;
dp->alen++;
flag_qsort(flags, 0, dp->alen);
}
dp = dp->next_homonym;
}
return 0;
}
/* remove forbidden flag to add a personal word to the hash */
int HashMgr::remove_forbidden_flag(const char * word) {
struct hentry * dp = lookup(word);
if (!dp) return 1;
while (dp) {
if (dp->astr && TESTAFF(dp->astr, forbiddenword, dp->alen)) {
if (dp->alen == 1) dp->alen = 0; // XXX forbidden words of personal dic.
else {
unsigned short * flags2 =
(unsigned short *) malloc(sizeof(short) * (dp->alen - 1));
if (!flags2) return 1;
int i, j = 0;
for (i = 0; i < dp->alen; i++) {
if (dp->astr[i] != forbiddenword) flags2[j++] = dp->astr[i];
}
dp->alen--;
dp->astr = flags2; // XXX allowed forbidden words
}
}
dp = dp->next_homonym;
}
return 0;
}
// add a custom dic. word to the hash table (public)
int HashMgr::add(const char * word)
{
unsigned short * flags = NULL;
int al = 0;
if (remove_forbidden_flag(word)) {
int captype;
int wbl = strlen(word);
int wcl = get_clen_and_captype(word, wbl, &captype);
add_word(word, wbl, wcl, flags, al, NULL, false);
return add_hidden_capitalized_word((char *) word, wbl, wcl, flags, al, NULL, captype);
}
return 0;
}
int HashMgr::add_with_affix(const char * word, const char * example)
{
// detect captype and modify word length for UTF-8 encoding
struct hentry * dp = lookup(example);
remove_forbidden_flag(word);
if (dp && dp->astr) {
int captype;
int wbl = strlen(word);
int wcl = get_clen_and_captype(word, wbl, &captype);
if (aliasf) {
add_word(word, wbl, wcl, dp->astr, dp->alen, NULL, false);
} else {
unsigned short * flags = (unsigned short *) malloc (dp->alen * sizeof(short));
if (flags) {
memcpy((void *) flags, (void *) dp->astr, dp->alen * sizeof(short));
add_word(word, wbl, wcl, flags, dp->alen, NULL, false);
} else return 1;
}
return add_hidden_capitalized_word((char *) word, wbl, wcl, dp->astr, dp->alen, NULL, captype);
}
return 1;
}
// walk the hash table entry by entry - null at end
// initialize: col=-1; hp = NULL; hp = walk_hashtable(&col, hp);
struct hentry * HashMgr::walk_hashtable(int &col, struct hentry * hp) const
{
if (hp && hp->next != NULL) return hp->next;
for (col++; col < tablesize; col++) {
if (tableptr[col]) return tableptr[col];
}
// null at end and reset to start
col = -1;
return NULL;
}
// load a munched word list and build a hash table on the fly
int HashMgr::load_tables(const char * tpath, const char * key)
{
int al;
char * ap;
char * dp;
char * dp2;
unsigned short * flags;
char * ts;
// open dictionary file
FileMgr * dict = new FileMgr(tpath, key);
if (dict == NULL) return 1;
// first read the first line of file to get hash table size */
if ((ts = dict->getline()) == NULL) {
HUNSPELL_WARNING(stderr, "error: empty dic file %s\n", tpath);
delete dict;
return 2;
}
mychomp(ts);
/* remove byte order mark */
if (strncmp(ts,"\xEF\xBB\xBF",3) == 0) {
memmove(ts, ts+3, strlen(ts+3)+1);
// warning: dic file begins with byte order mark: possible incompatibility with old Hunspell versions
}
tablesize = atoi(ts);
int nExtra = 5 + USERWORD;
if (tablesize <= 0 || (tablesize >= (std::numeric_limits<int>::max() - 1 - nExtra) / int(sizeof(struct hentry *)))) {
HUNSPELL_WARNING(stderr, "error: line 1: missing or bad word count in the dic file\n");
delete dict;
return 4;
}
tablesize += nExtra;
if ((tablesize % 2) == 0) tablesize++;
// allocate the hash table
tableptr = (struct hentry **) calloc(tablesize, sizeof(struct hentry *));
if (! tableptr) {
delete dict;
return 3;
}
// loop through all words on much list and add to hash
// table and create word and affix strings
while ((ts = dict->getline()) != NULL) {
mychomp(ts);
// split each line into word and morphological description
dp = ts;
while ((dp = strchr(dp, ':')) != NULL) {
if ((dp > ts + 3) && (*(dp - 3) == ' ' || *(dp - 3) == '\t')) {
for (dp -= 4; dp >= ts && (*dp == ' ' || *dp == '\t'); dp--);
if (dp < ts) { // missing word
dp = NULL;
} else {
*(dp + 1) = '\0';
dp = dp + 2;
}
break;
}
dp++;
}
// tabulator is the old morphological field separator
dp2 = strchr(ts, '\t');
if (dp2 && (!dp || dp2 < dp)) {
*dp2 = '\0';
dp = dp2 + 1;
}
// split each line into word and affix char strings
// "\/" signs slash in words (not affix separator)
// "/" at beginning of the line is word character (not affix separator)
ap = strchr(ts,'/');
while (ap) {
if (ap == ts) {
ap++;
continue;
} else if (*(ap - 1) != '\\') break;
// replace "\/" with "/"
for (char * sp = ap - 1; *sp; *sp = *(sp + 1), sp++);
ap = strchr(ap,'/');
}
if (ap) {
*ap = '\0';
if (aliasf) {
int index = atoi(ap + 1);
al = get_aliasf(index, &flags, dict);
if (!al) {
HUNSPELL_WARNING(stderr, "error: line %d: bad flag vector alias\n", dict->getlinenum());
*ap = '\0';
}
} else {
al = decode_flags(&flags, ap + 1, dict);
if (al == -1) {
HUNSPELL_WARNING(stderr, "Can't allocate memory.\n");
delete dict;
return 6;
}
flag_qsort(flags, 0, al);
}
} else {
al = 0;
ap = NULL;
flags = NULL;
}
int captype;
int wbl = strlen(ts);
int wcl = get_clen_and_captype(ts, wbl, &captype);
// add the word and its index plus its capitalized form optionally
if (add_word(ts,wbl,wcl,flags,al,dp, false) ||
add_hidden_capitalized_word(ts, wbl, wcl, flags, al, dp, captype)) {
delete dict;
return 5;
}
}
delete dict;
return 0;
}
// the hash function is a simple load and rotate
// algorithm borrowed
int HashMgr::hash(const char * word) const
{
long hv = 0;
for (int i=0; i < 4 && *word != 0; i++)
hv = (hv << 8) | (*word++);
while (*word != 0) {
ROTATE(hv,ROTATE_LEN);
hv ^= (*word++);
}
return (unsigned long) hv % tablesize;
}
int HashMgr::decode_flags(unsigned short ** result, char * flags, FileMgr * af) {
int len;
if (*flags == '\0') {
*result = NULL;
return 0;
}
switch (flag_mode) {
case FLAG_LONG: { // two-character flags (1x2yZz -> 1x 2y Zz)
len = strlen(flags);
if (len%2 == 1) HUNSPELL_WARNING(stderr, "error: line %d: bad flagvector\n", af->getlinenum());
len /= 2;
*result = (unsigned short *) malloc(len * sizeof(short));
if (!*result) return -1;
for (int i = 0; i < len; i++) {
(*result)[i] = (((unsigned short) flags[i * 2]) << 8) + (unsigned short) flags[i * 2 + 1];
}
break;
}
case FLAG_NUM: { // decimal numbers separated by comma (4521,23,233 -> 4521 23 233)
int i;
len = 1;
char * src = flags;
unsigned short * dest;
char * p;
for (p = flags; *p; p++) {
if (*p == ',') len++;
}
*result = (unsigned short *) malloc(len * sizeof(short));
if (!*result) return -1;
dest = *result;
for (p = flags; *p; p++) {
if (*p == ',') {
i = atoi(src);
if (i >= DEFAULTFLAGS) HUNSPELL_WARNING(stderr, "error: line %d: flag id %d is too large (max: %d)\n",
af->getlinenum(), i, DEFAULTFLAGS - 1);
*dest = (unsigned short) i;
if (*dest == 0) HUNSPELL_WARNING(stderr, "error: line %d: 0 is wrong flag id\n", af->getlinenum());
src = p + 1;
dest++;
}
}
i = atoi(src);
if (i >= DEFAULTFLAGS) HUNSPELL_WARNING(stderr, "error: line %d: flag id %d is too large (max: %d)\n",
af->getlinenum(), i, DEFAULTFLAGS - 1);
*dest = (unsigned short) i;
if (*dest == 0) HUNSPELL_WARNING(stderr, "error: line %d: 0 is wrong flag id\n", af->getlinenum());
break;
}
case FLAG_UNI: { // UTF-8 characters
w_char w[BUFSIZE/2];
len = u8_u16(w, BUFSIZE/2, flags);
*result = (unsigned short *) malloc(len * sizeof(short));
if (!*result) return -1;
memcpy(*result, w, len * sizeof(short));
break;
}
default: { // Ispell's one-character flags (erfg -> e r f g)
unsigned short * dest;
len = strlen(flags);
*result = (unsigned short *) malloc(len * sizeof(short));
if (!*result) return -1;
dest = *result;
for (unsigned char * p = (unsigned char *) flags; *p; p++) {
*dest = (unsigned short) *p;
dest++;
}
}
}
return len;
}
unsigned short HashMgr::decode_flag(const char * f) {
unsigned short s = 0;
int i;
switch (flag_mode) {
case FLAG_LONG:
s = ((unsigned short) f[0] << 8) + (unsigned short) f[1];
break;
case FLAG_NUM:
i = atoi(f);
if (i >= DEFAULTFLAGS) HUNSPELL_WARNING(stderr, "error: flag id %d is too large (max: %d)\n", i, DEFAULTFLAGS - 1);
s = (unsigned short) i;
break;
case FLAG_UNI:
u8_u16((w_char *) &s, 1, f);
break;
default:
s = (unsigned short) *((unsigned char *)f);
}
if (s == 0) HUNSPELL_WARNING(stderr, "error: 0 is wrong flag id\n");
return s;
}
char * HashMgr::encode_flag(unsigned short f) {
unsigned char ch[10];
if (f==0) return mystrdup("(NULL)");
if (flag_mode == FLAG_LONG) {
ch[0] = (unsigned char) (f >> 8);
ch[1] = (unsigned char) (f - ((f >> 8) << 8));
ch[2] = '\0';
} else if (flag_mode == FLAG_NUM) {
sprintf((char *) ch, "%d", f);
} else if (flag_mode == FLAG_UNI) {
u16_u8((char *) &ch, 10, (w_char *) &f, 1);
} else {
ch[0] = (unsigned char) (f);
ch[1] = '\0';
}
return mystrdup((char *) ch);
}
// read in aff file and set flag mode
int HashMgr::load_config(const char * affpath, const char * key)
{
char * line; // io buffers
int firstline = 1;
// open the affix file
FileMgr * afflst = new FileMgr(affpath, key);
if (!afflst) {
HUNSPELL_WARNING(stderr, "Error - could not open affix description file %s\n",affpath);
return 1;
}
// read in each line ignoring any that do not
// start with a known line type indicator
while ((line = afflst->getline()) != NULL) {
mychomp(line);
/* remove byte order mark */
if (firstline) {
firstline = 0;
if (strncmp(line,"\xEF\xBB\xBF",3) == 0) memmove(line, line+3, strlen(line+3)+1);
}
/* parse in the try string */
if ((strncmp(line,"FLAG",4) == 0) && isspace(line[4])) {
if (flag_mode != FLAG_CHAR) {
HUNSPELL_WARNING(stderr, "error: line %d: multiple definitions of the FLAG affix file parameter\n", afflst->getlinenum());
}
if (strstr(line, "long")) flag_mode = FLAG_LONG;
if (strstr(line, "num")) flag_mode = FLAG_NUM;
if (strstr(line, "UTF-8")) flag_mode = FLAG_UNI;
if (flag_mode == FLAG_CHAR) {
HUNSPELL_WARNING(stderr, "error: line %d: FLAG needs `num', `long' or `UTF-8' parameter\n", afflst->getlinenum());
}
}
if (strncmp(line,"FORBIDDENWORD",13) == 0) {
char * st = NULL;
if (parse_string(line, &st, afflst->getlinenum())) {
delete afflst;
return 1;
}
forbiddenword = decode_flag(st);
free(st);
}
if (strncmp(line, "SET", 3) == 0) {
if (parse_string(line, &enc, afflst->getlinenum())) {
delete afflst;
return 1;
}
if (strcmp(enc, "UTF-8") == 0) {
utf8 = 1;
#ifndef OPENOFFICEORG
#ifndef MOZILLA_CLIENT
initialize_utf_tbl();
#endif
#endif
} else csconv = get_current_cs(enc);
}
if (strncmp(line, "LANG", 4) == 0) {
if (parse_string(line, &lang, afflst->getlinenum())) {
delete afflst;
return 1;
}
langnum = get_lang_num(lang);
}
/* parse in the ignored characters (for example, Arabic optional diacritics characters */
if (strncmp(line,"IGNORE",6) == 0) {
if (parse_array(line, &ignorechars, &ignorechars_utf16,
&ignorechars_utf16_len, utf8, afflst->getlinenum())) {
delete afflst;
return 1;
}
}
if ((strncmp(line,"AF",2) == 0) && isspace(line[2])) {
if (parse_aliasf(line, afflst)) {
delete afflst;
return 1;
}
}
if ((strncmp(line,"AM",2) == 0) && isspace(line[2])) {
if (parse_aliasm(line, afflst)) {
delete afflst;
return 1;
}
}
if (strncmp(line,"COMPLEXPREFIXES",15) == 0) complexprefixes = 1;
if (((strncmp(line,"SFX",3) == 0) || (strncmp(line,"PFX",3) == 0)) && isspace(line[3])) break;
}
if (csconv == NULL) csconv = get_current_cs(SPELL_ENCODING);
delete afflst;
return 0;
}
/* parse in the ALIAS table */
int HashMgr::parse_aliasf(char * line, FileMgr * af)
{
if (numaliasf != 0) {
HUNSPELL_WARNING(stderr, "error: line %d: multiple table definitions\n", af->getlinenum());
return 1;
}
char * tp = line;
char * piece;
int i = 0;
int np = 0;
piece = mystrsep(&tp, 0);
while (piece) {
if (*piece != '\0') {
switch(i) {
case 0: { np++; break; }
case 1: {
numaliasf = atoi(piece);
if (numaliasf < 1) {
numaliasf = 0;
aliasf = NULL;
aliasflen = NULL;
HUNSPELL_WARNING(stderr, "error: line %d: bad entry number\n", af->getlinenum());
return 1;
}
aliasf = (unsigned short **) malloc(numaliasf * sizeof(unsigned short *));
aliasflen = (unsigned short *) malloc(numaliasf * sizeof(short));
if (!aliasf || !aliasflen) {
numaliasf = 0;
if (aliasf) free(aliasf);
if (aliasflen) free(aliasflen);
aliasf = NULL;
aliasflen = NULL;
return 1;
}
np++;
break;
}
default: break;
}
i++;
}
piece = mystrsep(&tp, 0);
}
if (np != 2) {
numaliasf = 0;
free(aliasf);
free(aliasflen);
aliasf = NULL;
aliasflen = NULL;
HUNSPELL_WARNING(stderr, "error: line %d: missing data\n", af->getlinenum());
return 1;
}
/* now parse the numaliasf lines to read in the remainder of the table */
char * nl;
for (int j=0; j < numaliasf; j++) {
if ((nl = af->getline()) == NULL) return 1;
mychomp(nl);
tp = nl;
i = 0;
aliasf[j] = NULL;
aliasflen[j] = 0;
piece = mystrsep(&tp, 0);
while (piece) {
if (*piece != '\0') {
switch(i) {
case 0: {
if (strncmp(piece,"AF",2) != 0) {
numaliasf = 0;
free(aliasf);
free(aliasflen);
aliasf = NULL;
aliasflen = NULL;
HUNSPELL_WARNING(stderr, "error: line %d: table is corrupt\n", af->getlinenum());
return 1;
}
break;
}
case 1: {
aliasflen[j] = (unsigned short) decode_flags(&(aliasf[j]), piece, af);
flag_qsort(aliasf[j], 0, aliasflen[j]);
break;
}
default: break;
}
i++;
}
piece = mystrsep(&tp, 0);
}
if (!aliasf[j]) {
free(aliasf);
free(aliasflen);
aliasf = NULL;
aliasflen = NULL;
numaliasf = 0;
HUNSPELL_WARNING(stderr, "error: line %d: table is corrupt\n", af->getlinenum());
return 1;
}
}
return 0;
}
int HashMgr::is_aliasf() {
return (aliasf != NULL);
}
int HashMgr::get_aliasf(int index, unsigned short ** fvec, FileMgr * af) {
if ((index > 0) && (index <= numaliasf)) {
*fvec = aliasf[index - 1];
return aliasflen[index - 1];
}
HUNSPELL_WARNING(stderr, "error: line %d: bad flag alias index: %d\n", af->getlinenum(), index);
*fvec = NULL;
return 0;
}
/* parse morph alias definitions */
int HashMgr::parse_aliasm(char * line, FileMgr * af)
{
if (numaliasm != 0) {
HUNSPELL_WARNING(stderr, "error: line %d: multiple table definitions\n", af->getlinenum());
return 1;
}
char * tp = line;
char * piece;
int i = 0;
int np = 0;
piece = mystrsep(&tp, 0);
while (piece) {
if (*piece != '\0') {
switch(i) {
case 0: { np++; break; }
case 1: {
numaliasm = atoi(piece);
if (numaliasm < 1) {
HUNSPELL_WARNING(stderr, "error: line %d: bad entry number\n", af->getlinenum());
return 1;
}
aliasm = (char **) malloc(numaliasm * sizeof(char *));
if (!aliasm) {
numaliasm = 0;
return 1;
}
np++;
break;
}
default: break;
}
i++;
}
piece = mystrsep(&tp, 0);
}
if (np != 2) {
numaliasm = 0;
free(aliasm);
aliasm = NULL;
HUNSPELL_WARNING(stderr, "error: line %d: missing data\n", af->getlinenum());
return 1;
}
/* now parse the numaliasm lines to read in the remainder of the table */
char * nl = line;
for (int j=0; j < numaliasm; j++) {
if ((nl = af->getline()) == NULL) return 1;
mychomp(nl);
tp = nl;
i = 0;
aliasm[j] = NULL;
piece = mystrsep(&tp, ' ');
while (piece) {
if (*piece != '\0') {
switch(i) {
case 0: {
if (strncmp(piece,"AM",2) != 0) {
HUNSPELL_WARNING(stderr, "error: line %d: table is corrupt\n", af->getlinenum());
numaliasm = 0;
free(aliasm);
aliasm = NULL;
return 1;
}
break;
}
case 1: {
// add the remaining of the line
if (*tp) {
*(tp - 1) = ' ';
tp = tp + strlen(tp);
}
if (complexprefixes) {
if (utf8) reverseword_utf(piece);
else reverseword(piece);
}
aliasm[j] = mystrdup(piece);
if (!aliasm[j]) {
numaliasm = 0;
free(aliasm);
aliasm = NULL;
return 1;
}
break; }
default: break;
}
i++;
}
piece = mystrsep(&tp, ' ');
}
if (!aliasm[j]) {
numaliasm = 0;
free(aliasm);
aliasm = NULL;
HUNSPELL_WARNING(stderr, "error: line %d: table is corrupt\n", af->getlinenum());
return 1;
}
}
return 0;
}
int HashMgr::is_aliasm() {
return (aliasm != NULL);
}
char * HashMgr::get_aliasm(int index) {
if ((index > 0) && (index <= numaliasm)) return aliasm[index - 1];
HUNSPELL_WARNING(stderr, "error: bad morph. alias index: %d\n", index);
return NULL;
}
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