1 files changed, 0 insertions, 109 deletions
diff --git a/bin/edi/iter.c b/bin/edi/iter.c
deleted file mode 100644
index cb34fc2d..00000000
--- a/bin/edi/iter.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/* 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 <stdlib.h>
-#include <wchar.h>
-
-#include "edi.h"
-
-struct Iter iter(const struct Table *table, size_t at) {
-	struct Span span = { 0, 0 };
-	size_t slice;
-	for (slice = 0; slice < table->len; ++slice) {
-		span = spanNext(span, table->slices[slice].len);
-		if (span.at <= at && span.to > at) break;
-	}
-	return (struct Iter) {
-		.table = table,
-		.span = span,
-		.slice = slice,
-		.at = (at < span.to ? at : span.to),
-		.ch = (at < span.to ? table->slices[slice].ptr[at - span.at] : WEOF),
-	};
-}
-
-struct Iter iterNext(struct Iter it) {
-	if (it.at == it.span.to && it.ch == WEOF) return it;
-	it.at++;
-	if (it.at == it.span.to) {
-		if (it.slice + 1 == it.table->len) {
-			it.ch = WEOF;
-			return it;
-		}
-		it.slice++;
-		it.span = spanNext(it.span, it.table->slices[it.slice].len);
-	}
-	it.ch = it.table->slices[it.slice].ptr[it.at - it.span.at];
-	return it;
-}
-
-struct Iter iterPrev(struct Iter it) {
-	if (it.at > it.span.to && it.ch == WEOF) return it;
-	it.at--;
-	if (it.at > it.span.to) {
-		it.ch = WEOF;
-		return it;
-	}
-	if (it.at < it.span.at) {
-		it.slice--;
-		it.span = spanPrev(it.span, it.table->slices[it.slice].len);
-	}
-	it.ch = it.table->slices[it.slice].ptr[it.at - it.span.at];
-	return it;
-}
-
-#ifdef TEST
-#include <assert.h>
-
-int main() {
-	struct Slice slices[2] = {
-		{ L"AB", 2 },
-		{ L"CD", 2 },
-	};
-	struct Table table = { .len = 2, .slices = slices };
-
-	assert(L'A' == iter(&table, 0).ch);
-	assert(L'B' == iter(&table, 1).ch);
-	assert(L'C' == iter(&table, 2).ch);
-	assert(L'D' == iter(&table, 3).ch);
-	assert(WEOF == iter(&table, 4).ch);
-
-	assert(L'B' == iterNext(iter(&table, 0)).ch);
-	assert(L'C' == iterNext(iter(&table, 1)).ch);
-	assert(L'D' == iterNext(iter(&table, 2)).ch);
-	assert(WEOF == iterNext(iter(&table, 5)).ch);
-
-	assert(WEOF == iterPrev(iter(&table, 0)).ch);
-	assert(L'A' == iterPrev(iter(&table, 1)).ch);
-	assert(L'B' == iterPrev(iter(&table, 2)).ch);
-	assert(L'C' == iterPrev(iter(&table, 3)).ch);
-
-	struct Iter it = iter(&table, 3);
-	it = iterNext(it);
-	it = iterNext(it);
-	assert(WEOF == it.ch);
-	it = iterPrev(it);
-	assert(L'D' == it.ch);
-
-	it = iter(&table, 0);
-	it = iterPrev(it);
-	it = iterPrev(it);
-	assert(WEOF == it.ch);
-	it = iterNext(it);
-	assert(L'A' == it.ch);
-}
-
-#endif