From 654a0b64c35d6f648c6ae1dc81214234e840e1d3 Mon Sep 17 00:00:00 2001
From: Alex Yatskov <alex@foosoft.net>
Date: Sat, 9 May 2015 13:59:38 +0900
Subject: [PATCH] Work in progress

---
 database.go           | 30 ++++++++++++++++++++++--
 table.go              | 53 -------------------------------------------
 node.go => version.go | 21 +++++++++--------
 3 files changed, 40 insertions(+), 64 deletions(-)
 delete mode 100644 table.go
 rename node.go => version.go (84%)

diff --git a/database.go b/database.go
index 8662bda..f0b89a9 100644
--- a/database.go
+++ b/database.go
@@ -22,13 +22,39 @@
 
 package main
 
+import (
+	"io/ioutil"
+	"os"
+)
+
 type Database struct {
 }
 
-func (*Database) load(dir string) {
+func (this *Database) load(dir string) error {
+	dirs, err := this.scan(dir)
+	if err != nil {
+		return err
+	}
 
+	return err
 }
 
-func (*Database) save(dir string) {
+func (this *Database) scan(dir string) ([]os.FileInfo, error) {
+	nodes, err := ioutil.ReadDir(dir)
+	if err != nil {
+		return nil, err
+	}
+
+	var dirs []os.FileInfo
+	for _, node := range nodes {
+		if node.IsDir() {
+			dirs = append(dirs, node)
+		}
+	}
+
+	return dirs, nil
+}
+
+func (this *Database) save(dir string) {
 
 }
diff --git a/table.go b/table.go
deleted file mode 100644
index a51a171..0000000
--- a/table.go
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (c) 2015 Alex Yatskov <alex@foosoft.net>
- * Author: Alex Yatskov <alex@foosoft.net>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
- * the Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-package main
-
-import (
-	"bytes"
-	"encoding/binary"
-	"io/ioutil"
-)
-
-type NodeTable struct {
-	Magic uint16
-	Nodes []Node
-}
-
-func NewNodeTable() *NodeTable {
-	return &NodeTable{}
-}
-
-func (this *NodeTable) load(fname string) error {
-	data, err := ioutil.ReadFile(fname)
-	if err != nil {
-		return err
-	}
-
-	reader := bytes.NewReader(data)
-
-	if err := binary.Read(reader, binary.BigEndian, this); err != nil {
-		return err
-	}
-
-	return nil
-}
diff --git a/node.go b/version.go
similarity index 84%
rename from node.go
rename to version.go
index 79ea19b..ce1ef47 100644
--- a/node.go
+++ b/version.go
@@ -22,13 +22,16 @@
 
 package main
 
-type Node struct {
-	Magic uint8
-	Size  uint64
-	Atime int64
-	Mtime int64
-	Ctime int64
-	Mode  uint32
-	Uid   uint32
-	Gid   uint32
+import (
+	"time"
+)
+
+type Version struct {
+	root    string
+	parent  *Version
+	version time.Time
+}
+
+func (this *Version) NewVersion(root string, parent *Version) *Version {
+	return &Version{root: root, parent: parent}
 }