1 files changed, 0 insertions, 211 deletions
diff --git a/bin/edi/store.c b/bin/edi/store.c
deleted file mode 100644
index 5012eb3e..00000000
--- a/bin/edi/store.c
+++ /dev/null
@@ -1,211 +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 <assert.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <wchar.h>
-
-#include "edi.h"
-
-static const char Magic[3] = "EDI";
-static const char Version  = 1;
-
-static enum Error
-write(FILE *stream, const void *ptr, size_t size, size_t nitems) {
-	size_t n = fwrite(ptr, size, nitems, stream);
-	return (n < nitems ? Errno + errno : Ok);
-}
-
-static enum Error writeBuffer(FILE *stream, const struct Buffer *buf) {
-	size_t len = 0;
-	const struct Block *block;
-	for (block = buf->block; block; block = block->prev) {
-		len += block->len;
-	}
-	enum Error error = write(stream, &len, sizeof(len), 1);
-	if (error) return error;
-	for (block = buf->block; block; block = block->prev) {
-		error = write(stream, block->chars, sizeof(wchar_t), block->len);
-		if (error) return error;
-	}
-	return Ok;
-}
-
-static enum Error
-writeSlice(FILE *stream, const struct Buffer *buf, struct Slice slice) {
-	size_t offset = 0;
-	const struct Block *block = buf->block;
-	while (block) {
-		if (
-			slice.ptr >= block->chars && slice.ptr < &block->chars[block->len]
-		) break;
-		offset += block->len;
-		block = block->prev;
-	}
-	assert(block);
-	size_t ptr = offset + (size_t)(slice.ptr - block->chars);
-	enum Error error = write(stream, &ptr, sizeof(ptr), 1);
-	if (error) return error;
-	return write(stream, &slice.len, sizeof(slice.len), 1);
-}
-
-static enum Error
-writeTable(FILE *stream, const struct Buffer *buf, const struct Table *table) {
-	enum Error error = write(stream, &table->len, sizeof(table->len), 1);
-	for (size_t i = 0; i < table->len; ++i) {
-		error = writeSlice(stream, buf, table->slices[i]);
-		if (error) return error;
-	}
-	return Ok;
-}
-
-static enum Error
-writeState(FILE *stream, const struct Buffer *buf, const struct State *state) {
-	enum Error error;
-	error = write(stream, &state->prev, sizeof(state->prev), 1);
-	if (error) return error;
-	error = write(stream, &state->next, sizeof(state->next), 1);
-	if (error) return error;
-	return writeTable(stream, buf, &state->table);
-}
-
-static enum Error
-writeLog(FILE *stream, const struct Buffer *buf, const struct Log *log) {
-	enum Error error;
-	error = write(stream, &log->state, sizeof(log->state), 1);
-	if (error) return error;
-	error = write(stream, &log->len, sizeof(log->len), 1);
-	if (error) return error;
-	for (size_t i = 0; i < log->len; ++i) {
-		error = writeState(stream, buf, &log->states[i]);
-		if (error) return error;
-	}
-	return Ok;
-}
-
-enum Error storeWrite(FILE *stream, const struct Edit *edit) {
-	enum Error error;
-	error = write(stream, Magic, sizeof(Magic), 1);
-	if (error) return error;
-	error = write(stream, &Version, sizeof(Version), 1);
-	if (error) return error;
-	error = writeBuffer(stream, &edit->buf);
-	if (error) return error;
-	return writeLog(stream, &edit->buf, &edit->log);
-}
-
-static enum Error read(FILE *stream, void *ptr, size_t size, size_t nitems) {
-	size_t n = fread(ptr, size, nitems, stream);
-	if (ferror(stream)) return Errno + errno;
-	return (n < nitems ? StoreEOF : Ok);
-}
-
-static enum Error readMagic(FILE *stream) {
-	char magic[3];
-	enum Error error = read(stream, magic, sizeof(magic), 1);
-	if (error) return error;
-	return (
-		magic[0] != Magic[0] || magic[1] != Magic[1] || magic[2] != Magic[2]
-		? StoreMagic
-		: Ok
-	);
-}
-
-static enum Error readVersion(FILE *stream) {
-	char version;
-	enum Error error = read(stream, &version, sizeof(version), 1);
-	if (error) return error;
-	return (version != Version ? StoreVersion : Ok);
-}
-
-static enum Error readBuffer(FILE *stream, struct Buffer *buf) {
-	size_t len;
-	enum Error error = read(stream, &len, sizeof(len), 1);
-	if (error) return error;
-	wchar_t *dest = bufferDest(buf, len);
-	return read(stream, dest, sizeof(wchar_t), len);
-}
-
-static enum Error
-readSlice(FILE *stream, struct Buffer *buf, struct Table *table) {
-	enum Error error;
-	size_t ptr, len;
-	error = read(stream, &ptr, sizeof(ptr), 1);
-	if (error) return error;
-	error = read(stream, &len, sizeof(len), 1);
-	if (error) return error;
-	tablePush(table, (struct Slice) { &buf->slice.ptr[ptr], len });
-	return Ok;
-}
-
-static enum Error
-readTable(FILE *stream, struct Buffer *buf, struct Table *table) {
-	size_t len;
-	enum Error error = read(stream, &len, sizeof(len), 1);
-	if (error) return error;
-	*table = tableAlloc(len);
-	for (size_t i = 0; i < len; ++i) {
-		error = readSlice(stream, buf, table);
-		if (error) return error;
-	}
-	return Ok;
-}
-
-static enum Error
-readState(FILE *stream, struct Buffer *buf, size_t offset, struct Log *log) {
-	enum Error error;
-	size_t prev, next;
-	struct Table table;
-	error = read(stream, &prev, sizeof(prev), 1);
-	if (error) return error;
-	error = read(stream, &next, sizeof(next), 1);
-	if (error) return error;
-	error = readTable(stream, buf, &table);
-	if (error) return error;
-	logPush(log, table);
-	log->states[log->state].prev = offset + prev;
-	log->states[log->state].next = offset + next;
-	return Ok;
-}
-
-static enum Error readLog(FILE *stream, struct Buffer *buf, struct Log *log) {
-	enum Error error;
-	size_t state, len;
-	error = read(stream, &state, sizeof(state), 1);
-	if (error) return error;
-	error = read(stream, &len, sizeof(len), 1);
-	if (error) return error;
-	size_t offset = log->len;
-	for (size_t i = 0; i < len; ++i) {
-		error = readState(stream, buf, offset, log);
-		if (error) return error;
-	}
-	log->state = offset + state;
-	return Ok;
-}
-
-enum Error storeRead(FILE *stream, struct Edit *edit) {
-	enum Error error;
-	error = readMagic(stream);
-	if (error) return error;
-	error = readVersion(stream);
-	if (error) return error;
-	error = readBuffer(stream, &edit->buf);
-	if (error) return error;
-	return readLog(stream, &edit->buf, &edit->log);
-}