1 files changed, 67 insertions, 0 deletions
diff --git a/reftable/table.h b/reftable/table.h
new file mode 100644
index 0000000000..9cd8f80a20
--- /dev/null
+++ b/reftable/table.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Use of this source code is governed by a BSD-style
+ * license that can be found in the LICENSE file or at
+ * https://developers.google.com/open-source/licenses/bsd
+ */
+
+#ifndef TABLE_H
+#define TABLE_H
+
+#include "block.h"
+#include "record.h"
+#include "reftable-iterator.h"
+#include "reftable-table.h"
+
+uint64_t block_source_size(struct reftable_block_source *source);
+
+ssize_t block_source_read_block(struct reftable_block_source *source,
+				struct reftable_block *dest, uint64_t off,
+				uint32_t size);
+void block_source_close(struct reftable_block_source *source);
+
+/* metadata for a block type */
+struct reftable_table_offsets {
+	int is_present;
+	uint64_t offset;
+	uint64_t index_offset;
+};
+
+/* The state for reading a reftable file. */
+struct reftable_table {
+	/* for convenience, associate a name with the instance. */
+	char *name;
+	struct reftable_block_source source;
+
+	/* Size of the file, excluding the footer. */
+	uint64_t size;
+
+	/* The hash function used for ref records. */
+	enum reftable_hash hash_id;
+
+	uint32_t block_size;
+	uint64_t min_update_index;
+	uint64_t max_update_index;
+	/* Length of the OID keys in the 'o' section */
+	int object_id_len;
+	int version;
+
+	struct reftable_table_offsets ref_offsets;
+	struct reftable_table_offsets obj_offsets;
+	struct reftable_table_offsets log_offsets;
+
+	uint64_t refcount;
+};
+
+const char *reftable_table_name(struct reftable_table *t);
+
+int table_init_iter(struct reftable_table *t,
+		    struct reftable_iterator *it,
+		    uint8_t typ);
+
+/* initialize a block reader to read from `t` */
+int table_init_block_reader(struct reftable_table *t, struct block_reader *br,
+			    uint64_t next_off, uint8_t want_typ);
+
+#endif