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Diffstat (limited to '')
-rw-r--r-- | bin/ttpre.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/bin/ttpre.c b/bin/ttpre.c new file mode 100644 index 00000000..85654d4b --- /dev/null +++ b/bin/ttpre.c @@ -0,0 +1,54 @@ +/* Copyright (C) 2018 June 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 <stdio.h> +#include <stdlib.h> +#include <string.h> + +static void put(const char *tag, char ch) { + if (tag) printf("<%s>", tag); + switch (ch) { + break; case '&': printf("&"); + break; case '<': printf("<"); + break; case '>': printf(">"); + break; default: printf("%c", ch); + } + if (tag) printf("</%s>", tag); +} + +static void push(char ch) { + static char q[3]; + if (q[1] == '\b' && q[0] == '_') { + put("i", q[2]); + memset(q, 0, 3); + } else if (q[1] == '\b' && q[0] == q[2]) { + put("b", q[2]); + memset(q, 0, 3); + } else if (q[0]) { + put(NULL, q[0]); + } + memmove(q, &q[1], 2); + q[2] = ch; +} + +int main() { + printf("<pre>"); + char ch; + while (EOF != (ch = getchar_unlocked())) push(ch); + push('\0'); push('\0'); push('\0'); + printf("</pre>\n"); + return EXIT_SUCCESS; +} |