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/* Copyright (C) 2018 Curtis McEnroe <june@causal.agency>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
static void put(const char *tag, wchar_t ch) {
if (tag) printf("<%s>", tag);
switch (ch) {
break; case L'&': printf("&");
break; case L'<': printf("<");
break; case L'>': printf(">");
break; default: printf("%lc", ch);
}
if (tag) printf("</%s>", tag);
}
static void push(wchar_t ch) {
static wchar_t q[3];
if (q[1] == L'\b' && q[0] == L'_') {
put("i", q[2]);
memset(q, 0, sizeof(q));
} else if (q[1] == L'\b' && q[0] == q[2]) {
put("b", q[2]);
memset(q, 0, sizeof(q));
} else if (q[0]) {
put(NULL, q[0]);
}
memmove(q, &q[1], sizeof(q) - sizeof(wchar_t));
q[2] = ch;
}
int main() {
setlocale(LC_CTYPE, "");
printf("<pre>");
wchar_t ch;
while (WEOF != (ch = getwchar())) push(ch);
push(0); push(0); push(0);
printf("</pre>\n");
return EXIT_SUCCESS;
}
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