From 15ff2a470eb4eb291d3a7271c08b130839828720 Mon Sep 17 00:00:00 2001
From: C. McEnroe
Date: Tue, 11 Feb 2020 02:44:04 -0500
Subject: Remove legacy code

---
 edit.c | 186 -----------------------------------------------------------------
 1 file changed, 186 deletions(-)
 delete mode 100644 edit.c

(limited to 'edit.c')

diff --git a/edit.c b/edit.c
deleted file mode 100644
index c63e4a2..0000000
--- a/edit.c
+++ /dev/null
@@ -1,186 +0,0 @@
-/* Copyright (C) 2018  C. 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 <err.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <sysexits.h>
-#include <wchar.h>
-#include <wctype.h>
-
-#include "chat.h"
-
-enum { BufLen = 512 };
-static struct {
-	wchar_t buf[BufLen];
-	wchar_t *ptr;
-	wchar_t *end;
-	wchar_t *tab;
-} line = {
-	.ptr = line.buf,
-	.end = line.buf,
-};
-
-const wchar_t *editHead(void) {
-	return line.buf;
-}
-const wchar_t *editTail(void) {
-	return line.ptr;
-}
-
-static void left(void) {
-	if (line.ptr > line.buf) line.ptr--;
-}
-static void right(void) {
-	if (line.ptr < line.end) line.ptr++;
-}
-
-static void backWord(void) {
-	left();
-	wchar_t *word = wcsnrchr(line.buf, line.ptr - line.buf, L' ');
-	line.ptr = (word ? &word[1] : line.buf);
-}
-static void foreWord(void) {
-	right();
-	wchar_t *word = wcsnchr(line.ptr, line.end - line.ptr, L' ');
-	line.ptr = (word ? word : line.end);
-}
-
-static void insert(wchar_t ch) {
-	if (line.end == &line.buf[BufLen - 1]) return;
-	if (line.ptr != line.end) {
-		wmemmove(line.ptr + 1, line.ptr, line.end - line.ptr);
-	}
-	*line.ptr++ = ch;
-	line.end++;
-}
-static void backspace(void) {
-	if (line.ptr == line.buf) return;
-	if (line.ptr != line.end) {
-		wmemmove(line.ptr - 1, line.ptr, line.end - line.ptr);
-	}
-	line.ptr--;
-	line.end--;
-}
-static void delete(void) {
-	if (line.ptr == line.end) return;
-	right();
-	backspace();
-}
-
-static void killBackWord(void) {
-	wchar_t *from = line.ptr;
-	backWord();
-	wmemmove(line.ptr, from, line.end - from);
-	line.end -= from - line.ptr;
-}
-static void killForeWord(void) {
-	wchar_t *from = line.ptr;
-	foreWord();
-	wmemmove(from, line.ptr, line.end - line.ptr);
-	line.end -= line.ptr - from;
-	line.ptr = from;
-}
-
-static char *prefix;
-static void complete(struct Tag tag) {
-	if (!line.tab) {
-		line.tab = wcsnrchr(line.buf, line.ptr - line.buf, L' ');
-		line.tab = (line.tab ? &line.tab[1] : line.buf);
-		prefix = awcsntombs(line.tab, line.ptr - line.tab);
-		if (!prefix) err(EX_DATAERR, "awcstombs");
-	}
-
-	const char *next = tabNext(tag, prefix);
-	if (!next) return;
-
-	wchar_t *wcs = ambstowcs(next);
-	if (!wcs) err(EX_DATAERR, "ambstowcs");
-
-	size_t i = 0;
-	for (; wcs[i] && line.ptr > &line.tab[i]; ++i) {
-		line.tab[i] = wcs[i];
-	}
-	while (line.ptr > &line.tab[i]) {
-		backspace();
-	}
-	for (; wcs[i]; ++i) {
-		insert(wcs[i]);
-	}
-	free(wcs);
-
-	size_t pos = line.tab - line.buf;
-	if (!pos && line.tab[0] != L'/') {
-		insert(L':');
-	} else if (pos >= 2) {
-		if (line.buf[pos - 2] == L':') {
-			line.buf[pos - 2] = L',';
-			insert(L':');
-		}
-	}
-	insert(L' ');
-}
-
-static void accept(void) {
-	if (!line.tab) return;
-	line.tab = NULL;
-	free(prefix);
-	tabAccept();
-}
-static void reject(void) {
-	if (!line.tab) return;
-	line.tab = NULL;
-	free(prefix);
-	tabReject();
-}
-
-static void enter(struct Tag tag) {
-	if (line.end == line.buf) return;
-	*line.end = L'\0';
-	char *str = awcstombs(line.buf);
-	if (!str) err(EX_DATAERR, "awcstombs");
-	input(tag, str);
-	free(str);
-	line.ptr = line.buf;
-	line.end = line.buf;
-}
-
-void edit(struct Tag tag, enum Edit op, wchar_t ch) {
-	switch (op) {
-		break; case EditLeft:  reject(); left();
-		break; case EditRight: reject(); right();
-		break; case EditHome:  reject(); line.ptr = line.buf;
-		break; case EditEnd:   reject(); line.ptr = line.end;
-
-		break; case EditBackWord: reject(); backWord();
-		break; case EditForeWord: reject(); foreWord();
-
-		break; case EditInsert:    accept(); insert(ch);
-		break; case EditBackspace: reject(); backspace();
-		break; case EditDelete:    reject(); delete();
-
-		break; case EditKill:         reject(); line.ptr = line.end = line.buf;
-		break; case EditKillBackWord: reject(); killBackWord();
-		break; case EditKillForeWord: reject(); killForeWord();
-		break; case EditKillEnd:      reject(); line.end = line.ptr;
-
-		break; case EditComplete: complete(tag);
-
-		break; case EditEnter: accept(); enter(tag);
-	}
-
-	*line.end = L'\0';
-}
-- 
cgit 1.4.1-2-gfad0