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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Hunspell, based on MySpell.
*
* The Initial Developers of the Original Code are
* Kevin Hendricks (MySpell) and Németh László (Hunspell).
* Portions created by the Initial Developers are Copyright (C) 2002-2005
* the Initial Developers. All Rights Reserved.
*
* Contributor(s): David Einstein, Davide Prina, Giuseppe Modugno,
* Gianluca Turconi, Simon Brouwer, Noll János, Bíró Árpád,
* Goldman Eleonóra, Sarlós Tamás, Bencsáth Boldizsár, Halácsy Péter,
* Dvornik László, Gefferth András, Nagy Viktor, Varga Dániel, Chris Halls,
* Rene Engelhard, Bram Moolenaar, Dafydd Jones, Harri Pitkänen
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include "dictmgr.hxx"
#include "csutil.hxx"
DictMgr::DictMgr(const char* dictpath, const char* etype) : numdict(0) {
// load list of etype entries
pdentry = (dictentry*)malloc(MAXDICTIONARIES * sizeof(struct dictentry));
if (pdentry) {
if (parse_file(dictpath, etype)) {
numdict = 0;
// no dictionary.lst found is okay
}
}
}
DictMgr::~DictMgr() {
dictentry* pdict = NULL;
if (pdentry) {
pdict = pdentry;
for (int i = 0; i < numdict; i++) {
if (pdict->lang) {
free(pdict->lang);
pdict->lang = NULL;
}
if (pdict->region) {
free(pdict->region);
pdict->region = NULL;
}
if (pdict->filename) {
free(pdict->filename);
pdict->filename = NULL;
}
pdict++;
}
free(pdentry);
pdentry = NULL;
pdict = NULL;
}
numdict = 0;
}
// read in list of etype entries and build up structure to describe them
int DictMgr::parse_file(const char* dictpath, const char* etype) {
int i;
char line[MAXDICTENTRYLEN + 1];
dictentry* pdict = pdentry;
// open the dictionary list file
FILE* dictlst;
dictlst = myfopen(dictpath, "r");
if (!dictlst) {
return 1;
}
// step one is to parse the dictionary list building up the
// descriptive structures
// read in each line ignoring any that dont start with etype
while (fgets(line, MAXDICTENTRYLEN, dictlst)) {
mychomp(line);
/* parse in a dictionary entry */
if (strncmp(line, etype, 4) == 0) {
if (numdict < MAXDICTIONARIES) {
char* tp = line;
char* piece;
i = 0;
while ((piece = mystrsep(&tp, ' '))) {
if (*piece != '\0') {
switch (i) {
case 0:
break;
case 1:
pdict->lang = mystrdup(piece);
break;
case 2:
if (strcmp(piece, "ANY") == 0)
pdict->region = mystrdup("");
else
pdict->region = mystrdup(piece);
break;
case 3:
pdict->filename = mystrdup(piece);
break;
default:
break;
}
i++;
}
free(piece);
}
if (i == 4) {
numdict++;
pdict++;
} else {
switch (i) {
case 3:
free(pdict->region);
pdict->region = NULL;
/* FALLTHROUGH */
case 2:
free(pdict->lang);
pdict->lang = NULL;
default:
break;
}
fprintf(stderr, "dictionary list corruption in line \"%s\"\n", line);
fflush(stderr);
}
}
}
}
fclose(dictlst);
return 0;
}
// return text encoding of dictionary
int DictMgr::get_list(dictentry** ppentry) {
*ppentry = pdentry;
return numdict;
}
// strip strings into token based on single char delimiter
// acts like strsep() but only uses a delim char and not
// a delim string
char* DictMgr::mystrsep(char** stringp, const char delim) {
char* rv = NULL;
char* mp = *stringp;
size_t n = strlen(mp);
if (n > 0) {
char* dp = (char*)memchr(mp, (int)((unsigned char)delim), n);
if (dp) {
*stringp = dp + 1;
size_t nc = dp - mp;
rv = (char*)malloc(nc + 1);
if (rv) {
memcpy(rv, mp, nc);
*(rv + nc) = '\0';
}
} else {
rv = (char*)malloc(n + 1);
if (rv) {
memcpy(rv, mp, n);
*(rv + n) = '\0';
*stringp = mp + n;
}
}
}
return rv;
}
// replaces strdup with ansi version
char* DictMgr::mystrdup(const char* s) {
char* d = NULL;
if (s) {
int sl = strlen(s) + 1;
d = (char*)malloc(sl);
if (d)
memcpy(d, s, sl);
}
return d;
}
// remove cross-platform text line end characters
void DictMgr::mychomp(char* s) {
int k = strlen(s);
if ((k > 0) && ((*(s + k - 1) == '\r') || (*(s + k - 1) == '\n')))
*(s + k - 1) = '\0';
if ((k > 1) && (*(s + k - 2) == '\r'))
*(s + k - 2) = '\0';
}
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