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-rw-r--r--bin/edi.c204
1 files changed, 0 insertions, 204 deletions
diff --git a/bin/edi.c b/bin/edi.c
deleted file mode 100644
index 2ff4dc7e..00000000
--- a/bin/edi.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/* 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/>.
- */
-
-#define _XOPEN_SOURCE_EXTENDED
-
-#include <curses.h>
-#include <err.h>
-#include <locale.h>
-#include <stdbool.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sysexits.h>
-#include <unistd.h>
-
-static struct Span {
-	size_t at, to;
-} Span(size_t at, size_t to) {
-	return (struct Span) { at, to };
-}
-
-static bool spanEqual(struct Span a, struct Span b) {
-	return a.at == b.at && a.to == b.to;
-}
-static bool spanIn(struct Span a, struct Span b) {
-	return a.at > b.at && a.to < b.to;
-}
-static bool spanHeadIn(struct Span a, struct Span b) {
-	return a.at > b.at && a.at < b.to;
-}
-static bool spanTailIn(struct Span a, struct Span b) {
-	return a.to > b.at && a.to < b.to;
-}
-
-static struct Vec {
-	char *ptr;
-	size_t len;
-} Vec(char *ptr, size_t len) {
-	return (struct Vec) { ptr, len };
-}
-
-static struct Vec vecHead(struct Vec vec, struct Span span, size_t at) {
-	return Vec(vec.ptr, at - span.at);
-}
-static struct Vec vecTail(struct Vec vec, struct Span span, size_t at) {
-	return Vec(vec.ptr + (at - span.at), vec.len - (at - span.at));
-}
-
-static struct Table {
-	struct Table *next, *prev;
-	size_t len;
-	struct Vec vec[];
-} *Table(size_t cap) {
-	size_t size = sizeof(struct Table) + cap * sizeof(struct Vec);
-	struct Table *table = malloc(size);
-	if (!table) err(EX_OSERR, "malloc");
-	memset(table, 0, size);
-	return table;
-}
-
-static struct TableIter {
-	struct Table *table;
-	size_t i;
-	struct Vec vec;
-	struct Span span;
-} TableIter(struct Table *table) {
-	return (struct TableIter) { table, 0, Vec(NULL, 0), Span(0, 0) };
-}
-static bool tableNext(struct TableIter *it) {
-	if (it->i == it->table->len) return false;
-	it->vec = it->table->vec[it->i++];
-	it->span = Span(it->span.to, it->span.to + it->vec.len);
-	return true;
-}
-static bool tablePrev(struct TableIter *it) {
-	if (!it->i) return false;
-	it->vec = it->table->vec[--it->i];
-	it->span = Span(it->span.at - it->vec.len, it->span.at);
-	return true;
-}
-
-static struct Table *tableInsert(struct Table *prev, size_t at, struct Vec vec) {
-	struct Table *next = Table(prev->len + 2);
-	if (!prev->len) {
-		next->vec[next->len++] = vec;
-		return next;
-	}
-	struct Span span = Span(at, at + vec.len);
-	for (struct TableIter it = TableIter(prev); tableNext(&it); (void)it) {
-		if (it.span.at == at) {
-			next->vec[next->len++] = vec;
-			next->vec[next->len++] = it.vec;
-		} else if (spanHeadIn(span, it.span)) {
-			next->vec[next->len++] = vecHead(it.vec, it.span, at);
-			next->vec[next->len++] = vec;
-			next->vec[next->len++] = vecTail(it.vec, it.span, at);
-		} else {
-			next->vec[next->len++] = it.vec;
-		}
-	}
-	return next;
-}
-
-static struct Table *tableDelete(struct Table *prev, struct Span span) {
-	struct Table *next = Table(prev->len + 1);
-	for (struct TableIter it = TableIter(prev); tableNext(&it); (void)it) {
-		if (spanIn(it.span, span) || spanEqual(it.span, span)) {
-			// drop
-		} else if (spanIn(span, it.span)) {
-			next->vec[next->len++] = vecHead(it.vec, it.span, span.at);
-			next->vec[next->len++] = vecTail(it.vec, it.span, span.to);
-		} else if (spanHeadIn(span, it.span)) {
-			next->vec[next->len++] = vecHead(it.vec, it.span, span.at);
-		} else if (spanTailIn(span, it.span)) {
-			next->vec[next->len++] = vecTail(it.vec, it.span, span.to);
-		} else {
-			next->vec[next->len++] = it.vec;
-		}
-	}
-	return next;
-}
-
-static struct VecIter {
-	struct Vec vec;
-	size_t i;
-	wchar_t ch;
-} VecIter(struct Vec vec, size_t i) {
-	return (struct VecIter) { vec, i, 0 };
-}
-static bool vecNext(struct VecIter *it) {
-	if (it->i >= it->vec.len) return false;
-	int len = mbtowc(&it->ch, &it->vec.ptr[it->i], it->vec.len - it->i);
-	if (len < 0) errx(EX_DATAERR, "mbtowc");
-	it->i += len;
-	return true;
-}
-static bool vecPrev(struct VecIter *it) {
-	if (!it->i) return false;
-	int len;
-	for (int n = 1; n < MB_CUR_MAX; ++n) {
-		len = mbtowc(&it->ch, &it->vec.ptr[it->i - n], n);
-		if (len > 0) break;
-	}
-	if (len < 0) errx(EX_DATAERR, "mbtowc");
-	it->i -= len;
-	return true;
-}
-
-//static void curse(void) {
-//	setlocale(LC_CTYPE, "");
-//	initscr();
-//	cbreak();
-//	noecho();
-//	keypad(stdscr, true);
-//	set_escdelay(100);
-//}
-//
-//static void curseChar(wchar_t ch, attr_t attr, short color) {
-//	cchar_t cc;
-//	wchar_t ws[] = { ch, 0 };
-//	setcchar(&cc, ws, attr, color, NULL);
-//	add_wch(&cc);
-//}
-
-static void draw(struct Table *table) {
-	//move(0, 0);
-	struct TableIter it = TableIter(table);
-	tableNext(&it);
-	printf("(%zu,%zu)%.*s", it.span.at, it.span.to, (int)it.vec.len, it.vec.ptr);
-	tableNext(&it);
-	printf("(%zu,%zu)%.*s", it.span.at, it.span.to, (int)it.vec.len, it.vec.ptr);
-	tablePrev(&it);
-	printf("(%zu,%zu)%.*s", it.span.at, it.span.to, (int)it.vec.len, it.vec.ptr);
-	tablePrev(&it);
-	printf("(%zu,%zu)%.*s", it.span.at, it.span.to, (int)it.vec.len, it.vec.ptr);
-}
-
-int main() {
-	struct Table *table = Table(0);
-	table = tableInsert(table, 0, Vec("Hello, world!\nGoodbye, world!\n", 30));
-	table = tableDelete(table, Span(1, 5));
-	table = tableInsert(table, 1, Vec("owdy", 4));
-	table = tableDelete(table, Span(3, 6));
-	table = tableInsert(table, 3, Vec(" Ω", 3));
-
-	//curse();
-	draw(table);
-	//getch();
-	//endwin();
-}
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-26 15:36:26 +0000