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unacpp.cpp    250 lines (221 with data), 5.9 kB

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/* Copyright (C) 2004 J.F.Dockes
* 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 2 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, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef TEST_UNACPP
#include <stdio.h>
#include <cstdlib>
#include <errno.h>
#include <string>
#include "unacpp.h"
#include "unac.h"
#include "debuglog.h"
#include "utf8iter.h"
bool unacmaybefold(const string &in, string &out,
const char *encoding, UnacOp what)
{
char *cout = 0;
size_t out_len;
int status = -1;
switch (what) {
case UNACOP_UNAC:
status = unac_string(encoding, in.c_str(), in.length(),
&cout, &out_len);
break;
case UNACOP_UNACFOLD:
status = unacfold_string(encoding, in.c_str(), in.length(),
&cout, &out_len);
break;
case UNACOP_FOLD:
status = fold_string(encoding, in.c_str(), in.length(),
&cout, &out_len);
break;
}
if (status < 0) {
if (cout)
free(cout);
char cerrno[20];
sprintf(cerrno, "%d", errno);
out = string("unac_string failed, errno : ") + cerrno;
return false;
}
out.assign(cout, out_len);
if (cout)
free(cout);
return true;
}
// Functions to determine upper-case or accented status could be implemented
// hugely more efficiently inside the unac c code, but there only used for
// testing user-entered terms, so we don't really care.
bool unaciscapital(const string& in)
{
LOGDEB2(("unaciscapital: [%s]\n", in.c_str()));
if (in.empty())
return false;
Utf8Iter it(in);
string shorter;
it.appendchartostring(shorter);
string lower;
if (!unacmaybefold(shorter, lower, "UTF-8", UNACOP_FOLD)) {
LOGINFO(("unaciscapital: unac/fold failed for [%s]\n", in.c_str()));
return false;
}
Utf8Iter it1(lower);
if (*it != *it1)
return true;
else
return false;
}
bool unachasuppercase(const string& in)
{
LOGDEB2(("unachasuppercase: [%s]\n", in.c_str()));
if (in.empty())
return false;
string lower;
if (!unacmaybefold(in, lower, "UTF-8", UNACOP_FOLD)) {
LOGINFO(("unachasuppercase: unac/fold failed for [%s]\n", in.c_str()));
return false;
}
if (lower != in)
return true;
else
return false;
}
bool unachasaccents(const string& in)
{
LOGDEB2(("unachasaccents: [%s]\n", in.c_str()));
if (in.empty())
return false;
string noac;
if (!unacmaybefold(in, noac, "UTF-8", UNACOP_UNAC)) {
LOGINFO(("unachasaccents: unac/unac failed for [%s]\n", in.c_str()));
return false;
}
if (noac != in)
return true;
else
return false;
}
#else // not testing
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <iostream>
using namespace std;
#include "unacpp.h"
#include "readfile.h"
#include "rclinit.h"
static char *thisprog;
static char usage [] = "\n"
"[-c|-C] <encoding> <infile> <outfile>\n"
" Default : unaccent\n"
" -c : unaccent and casefold\n"
" -C : casefold only\n"
"-t <string> test string as capitalized, upper-case anywhere, accents\n"
" the parameter is supposedly utf-8 so this can only work in an utf-8\n"
" locale\n"
"\n";
;
static void
Usage(void)
{
fprintf(stderr, "%s: usage: %s\n", thisprog, usage);
exit(1);
}
static int op_flags;
#define OPT_c 0x2
#define OPT_C 0x4
#define OPT_t 0x8
int main(int argc, char **argv)
{
UnacOp op = UNACOP_UNAC;
thisprog = argv[0];
argc--; argv++;
while (argc > 0 && **argv == '-') {
(*argv)++;
if (!(**argv))
/* Cas du "adb - core" */
Usage();
while (**argv)
switch (*(*argv)++) {
case 'c': op_flags |= OPT_c; break;
case 'C': op_flags |= OPT_C; break;
case 't': op_flags |= OPT_t; break;
default: Usage(); break;
}
argc--; argv++;
}
if (op_flags & OPT_t) {
if (argc != 1)
Usage();
string in = *argv++;argc--;
bool capital, upper, accent;
capital = unaciscapital(in);
upper = unachasuppercase(in);
accent = unachasaccents(in);
cout << "[" << in << "] : " <<
"capitalized: " << (capital ? "Yes. " : "No. ") <<
"has uppercase: " << (upper ? "Yes. " : "No. ") <<
"has accents: " << (accent ? "Yes. " : "No. ") <<
endl;
return 0;
} else {
if (argc != 3)
Usage();
if (op_flags & OPT_c) {
op = UNACOP_UNACFOLD;
} else if (op_flags & OPT_C) {
op = UNACOP_FOLD;
}
const char *encoding = *argv++; argc--;
string ifn = *argv++; argc--;
if (!ifn.compare("stdin"))
ifn.clear();
const char *ofn = *argv++; argc--;
string reason;
(void)recollinit(RCLINIT_NONE, 0, 0, reason, 0);
string odata;
if (!file_to_string(ifn, odata)) {
cerr << "file_to_string " << ifn << " : " << odata << endl;
return 1;
}
string ndata;
if (!unacmaybefold(odata, ndata, encoding, op)) {
cerr << "unac: " << ndata << endl;
return 1;
}
int fd;
if (strcmp(ofn, "stdout")) {
fd = open(ofn, O_CREAT|O_EXCL|O_WRONLY, 0666);
} else {
fd = 1;
}
if (fd < 0) {
cerr << "Open/Create " << ofn << " failed: " << strerror(errno)
<< endl;
return 1;
}
if (write(fd, ndata.c_str(), ndata.length()) != (int)ndata.length()) {
cerr << "Write(2) failed: " << strerror(errno) << endl;
return 1;
}
close(fd);
return 0;
}
}
#endif