色々とインストールができないお堅い環境にいて、フォルダ比較すらままならないので、つくってみた。
Windowsでcsc.exeさえあれば導入可能。(Windows7以降なら入っている)
画面キャプチャ
インプット
※各txtファイルは0 byte
├─test
│ │ bbb.txt
│ │
│ ├─foo3
│ │ ccc.txt
│ │
│ └─hoge2
│ │ ddd.txt
│ │
│ └─xxxyyy
│ ff.txt
│ ggg.txt
│
└─testxx
│ aaa.txt
│ bbb.txt
│
├─hoge
└─hoge2
│ ddd.txt
│
└─xxxyyy
e.txt
ff.txt
ソースコード
MyDiff.cs
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows.Forms;
class MyDiff : Form
{
SplitContainer spl1;
SplitContainer spl2;
TextBox txtPathL;
TextBox txtPathR;
ListView lsvFiles;
string _leftPath;
string _rightPath;
enum DiffType {
Unknown, Same, Different, LOnly, ROnly,
};
MyDiff( string path1, string path2 )
{
Text = "Diff tool";
ClientSize = new Size(600, 300);
try {
if ( path1 != null ) {
path1 = Path.GetFullPath(path1);
}
if ( path2 != null ) {
path2 = Path.GetFullPath(path2);
}
}
catch(ArgumentException e ){ Console.WriteLine(e); path1=null; path2=null; }
catch(System.Security.SecurityException e){ Console.WriteLine(e); path1=null; path2=null; }
catch(NotSupportedException e ){ Console.WriteLine(e); path1=null; path2=null; }
catch(PathTooLongException e ){ Console.WriteLine(e); path1=null; path2=null; }
_leftPath = path1;
_rightPath = path2;
Controls.Add(spl1 = new SplitContainer(){
Dock = DockStyle.Fill,
Orientation = Orientation.Horizontal, // 横線で上下に分割
// SplitterDistance = 250, // 分割線の位置を指定
BorderStyle = BorderStyle.FixedSingle,
SplitterWidth = 2,
FixedPanel = FixedPanel.Panel1, // spl1が属すコントロールがリサイズされたときに、Panel1側のサイズ（分割線）を保持（固定）する
});
spl1.Panel2.Controls.Add(spl2 = new SplitContainer(){
Dock = DockStyle.Fill,
Orientation = Orientation.Vertical, // 縦線で左右に分割
// SplitterDistance = 100,// 分割線の位置を指定
BorderStyle = BorderStyle.Fixed3D,
SplitterWidth = 2,
IsSplitterFixed = true,
});
spl1.Panel1.Controls.AddRange(
new Control[]{
txtPathL = new TextBox(){
Location = new Point(0, 0),
ReadOnly = true,
AllowDrop = true,
},
txtPathR = new TextBox(){
Location = new Point(0, 25),
ReadOnly = true,
AllowDrop = true,
},
lsvFiles = new ListView(){
Location = new Point(0, 50),
//Dock = DockStyle.Fill,
View = View.Details,
FullRowSelect = true,
HideSelection = false,
MultiSelect = false,
GridLines = true,
},
}
);
txtPathL.Text = _leftPath ??"";
txtPathR.Text = _rightPath??"";
txtPathL.DragEnter += TxtPathX_DragEnter;
txtPathL.DragDrop += TxtPathX_DragDrop;
txtPathR.DragEnter += TxtPathX_DragEnter;
txtPathR.DragDrop += TxtPathX_DragDrop;
// 列ヘッダを登録
lsvFiles.Columns.Add("Path" , 170, HorizontalAlignment.Left);
lsvFiles.Columns.Add("FileName" , 170, HorizontalAlignment.Left);
lsvFiles.Columns.Add("Ext" , 40, HorizontalAlignment.Left); // extension of file
lsvFiles.Columns.Add("Diff" , 40, HorizontalAlignment.Left); // == <> o- -o (same, not same, left only, right only)
lsvFiles.Columns.Add("Size" , 70, HorizontalAlignment.Right); // file size
lsvFiles.Columns.Add("LastModif", 70, HorizontalAlignment.Left); // last modified time stamp
Load += (s,e)=>{
spl1.SplitterDistance = 150; // 分割線の位置を指定
spl2.SplitterDistance = 200; // 分割線の位置を指定
};
Load += (s,e)=>{MyResize();};
Resize += (s,e)=>{MyResize();};
ResizeEnd += (s,e)=>{MyResize();};
spl1.SplitterMoved += (s,e)=>{MyResize();};
LoadPathesAndDiffToListViewWithCheck();
}
void MyResize()
{
int w = spl1.Panel1.ClientSize.Width;
int tmpH = txtPathL.Height;
int h = spl1.Panel1.ClientSize.Height - tmpH*2;
if (h<50){h=50;}
txtPathL.Width = w;
txtPathR.Top = tmpH;
txtPathR.Width = w;
lsvFiles.Size = new Size(w, h);
lsvFiles.Top = tmpH*2;
}
void TxtPathX_DragEnter(object sender, DragEventArgs e)
{
if ( e.Data.GetDataPresent(DataFormats.FileDrop) ) {
e.Effect = DragDropEffects.Copy;
}
else {
e.Effect = DragDropEffects.None;
}
}
void TxtPathX_DragDrop(object sender, DragEventArgs e)
{
if ( e.Data.GetDataPresent(DataFormats.FileDrop) ) {
string[] fileNames;
fileNames = (string[])e.Data.GetData(DataFormats.FileDrop, false);
if ( fileNames.Length == 1 ) {
string fn = fileNames[0];
if ( (TextBox)sender == txtPathL ) {
_leftPath = fn;
txtPathL.Text = fn;
}
else {
_rightPath = fn;
txtPathR.Text = fn;
}
LoadPathesAndDiffToListViewWithCheck();
}
}
}
static string DiffTypeToString(DiffType t)
{
if ( t == DiffType.Same ) {return "==";}
if ( t == DiffType.Different ) {return "<>";}
if ( t == DiffType.LOnly ) {return "o-";}
if ( t == DiffType.ROnly ) {return "-o";}
return " ";
/*
if ( t == DiffType.Same ) {return "";}
if ( t == DiffType.Different ) {return "Differ";}
if ( t == DiffType.LOnly ) {return "L only";}
if ( t == DiffType.ROnly ) {return "R only";}
return "?";
*/
}
ListViewItem MakeListViewItem(string subDir, string fileName, DiffType t)
{
string ext;
string diffMark = DiffTypeToString(t);
string sizeText;
string lastModifText;
if ( fileName == null ) {
// directory
ext = "/";
sizeText = "";
lastModifText = "";
}
else {
ext = Path.GetExtension(fileName);
sizeText = "";
lastModifText = "";
}
var item = new ListViewItem(new string[]{subDir, fileName, ext, diffMark, sizeText, lastModifText});
// item.Tag = ...;
return item;
}
void LoadPathesAndDiffToListViewWithCheck()
{
if ( _leftPath != null && _rightPath != null ) {
if ( Directory.Exists(_leftPath) && Directory.Exists(_rightPath) ) {
LoadPathesAndDiffToListView();
}
else if ( File.Exists(_leftPath) && File.Exists(_rightPath) ) {
LoadFileDiffToListView();
}
}
}
void LoadPathesAndDiffToListView()
{
//Console.WriteLine(_leftPath);
//Console.WriteLine(_rightPath);
lsvFiles.BeginUpdate();
try {
lsvFiles.Items.Clear();
LoadSubFiles("", true, true);
LoadSubDir("", true, true);
}
finally {
lsvFiles.EndUpdate();
}
}
void LoadFileDiffToListView()
{
lsvFiles.BeginUpdate();
try {
lsvFiles.Items.Clear();
// todo
// load
}
finally {
lsvFiles.EndUpdate();
}
}
void LoadSubDir(string relativeDirFromRoot, bool lDirExists, bool rDirExists)
{
string[] subdirs1 = lDirExists ? Directory.GetDirectories(Path.Combine(_leftPath , relativeDirFromRoot)) : new string[0];
string[] subdirs2 = rDirExists ? Directory.GetDirectories(Path.Combine(_rightPath, relativeDirFromRoot)) : new string[0];
int n1 = _leftPath.Length;
int n2 = _rightPath.Length;
foreach ( string sd1 in subdirs1 ) {
string relativeSubDir = sd1.Substring(n1+1); // +1 intend to trim last path separator
//Console.WriteLine(relativeSubDir);
string tmpPath = Path.Combine(_rightPath, relativeSubDir);
//Console.WriteLine(tmpPath);
int index2 = Array.IndexOf(subdirs2, tmpPath);
if ( index2 >= 0 ) {
lsvFiles.Items.Add(MakeListViewItem(relativeSubDir, null, DiffType.Unknown));
subdirs2[index2] = null; // mark to avoid double pickup
LoadSubFiles(relativeSubDir, true, true);
LoadSubDir(relativeSubDir, true, true);
}
else {
lsvFiles.Items.Add(MakeListViewItem(relativeSubDir, null, DiffType.LOnly));
LoadSubFiles(relativeSubDir, true, false);
LoadSubDir(relativeSubDir, true, false);
}
}
// to pick up exists in subdirs2 and not exists in subdirs1
foreach ( string sd2 in subdirs2 ) {
if ( sd2 != null ) {
string relativeSubDir = sd2.Substring(n2+1);
lsvFiles.Items.Add(MakeListViewItem(relativeSubDir, null, DiffType.ROnly));
LoadSubFiles(relativeSubDir, false, true);
LoadSubDir(relativeSubDir, false, true);
}
}
}
void LoadSubFiles(string relativeDirFromRoot, bool lDirExists, bool rDirExists)
{
string subdir1 = Path.Combine(_leftPath , relativeDirFromRoot);
string subdir2 = Path.Combine(_rightPath, relativeDirFromRoot);
string[] files1 = lDirExists ? Directory.GetFiles(subdir1) : new string[0];
string[] files2 = rDirExists ? Directory.GetFiles(subdir2) : new string[0];
int n1 = _leftPath.Length;
int n2 = _rightPath.Length;
string relativeSubDir = relativeDirFromRoot;//(relativeDirFromRoot=="")?"":subdir1.Substring(n1+1);
//Console.WriteLine(relativeSubDir);
foreach ( string filePath1 in files1 ) {
string fileName = Path.GetFileName(filePath1);
string filePath2 = Path.Combine(subdir2, fileName);
int index2 = Array.IndexOf(files2, filePath2);
if ( index2 >= 0 ) {
lsvFiles.Items.Add(MakeListViewItem(relativeSubDir, fileName, JudgeFileContentDiff(filePath1, filePath2)));
files2[index2] = null; // mark to avoid double pickup
}
else {
lsvFiles.Items.Add(MakeListViewItem(relativeSubDir, fileName, DiffType.LOnly));
}
}
// to pick up exists in subdirs2 and not exists in subdirs1
foreach ( string filePath2 in files2 ) {
if ( filePath2 != null ) {
string fileName = Path.GetFileName(filePath2);
lsvFiles.Items.Add(MakeListViewItem(relativeSubDir, fileName, DiffType.ROnly));
}
}
}
DiffType JudgeFileContentDiff(string path1, string path2)
{
FileInfo fi1, fi2;
fi1 = new FileInfo(path1);
fi2 = new FileInfo(path2);
try {
if ( fi1.Length != fi2.Length ) {
return DiffType.Different;
}
using ( FileStream fs1 = new FileStream(path1, FileMode.Open, FileAccess.Read) ) {
using ( FileStream fs2 = new FileStream(path2, FileMode.Open, FileAccess.Read) ) {
byte[] buf1 = new byte[0x1000];
byte[] buf2 = new byte[buf1.Length];
while ( true ) {
int readSize1 = fs1.Read(buf1, 0, buf1.Length);
int readSize2 = fs2.Read(buf2, 0, buf2.Length);
if ( readSize1 != readSize2 ) { return DiffType.Unknown; } // unexpected.
for ( int i=0; i<readSize1; i++ ) {
if ( buf1[i] != buf2[i] ) {
return DiffType.Different;
}
}
//ファイルをすべて読み込んだときは終了する
if ( readSize1 == 0 ) { return DiffType.Same; }
}
}
}
}
catch(FileNotFoundException ){return DiffType.Unknown;}
catch(DirectoryNotFoundException ){return DiffType.Unknown;}
catch(UnauthorizedAccessException){return DiffType.Unknown;}
catch(PathTooLongException ){return DiffType.Unknown;}
catch(DriveNotFoundException ){return DiffType.Unknown;}
catch(IOException ){return DiffType.Unknown;}
}
[STAThread]
static void Main(string[] args)
{
string target1 = null;
string target2 = null;
if ( args.Length > 2) {
return;
}
if ( args.Length >= 1 ) {
target1 = args[0];
}
if ( args.Length >= 2 ) {
target2 = args[1];
}
Application.Run(new MyDiff(target1, target2));
}
}