mirror of
https://mirror.ghproxy.com/https://github.com/dexyfex/CodeWalker
synced 2024-08-19 08:29:19 +08:00
156 lines
4.2 KiB
C#
156 lines
4.2 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace CodeWalker.Forms
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{
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public partial class HexForm : Form
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{
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private byte[] data;
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public byte[] Data
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{
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get { return data; }
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set
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{
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data = value;
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UpdateTextBoxFromData();
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}
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}
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private string fileName;
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public string FileName
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{
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get { return fileName; }
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set
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{
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fileName = value;
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UpdateFormTitle();
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}
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}
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public string FilePath { get; set; }
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public HexForm()
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{
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InitializeComponent();
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LineSizeDropDown.Text = "16";
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}
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public void LoadData(string filename, string filepath, byte[] data)
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{
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FileName = filename;
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FilePath = filepath;
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Data = data;
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}
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private void UpdateFormTitle()
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{
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Text = fileName + " - Hex Viewer - CodeWalker by dexyfex";
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}
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private void UpdateTextBoxFromData()
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{
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if (data == null)
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{
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HexTextBox.Text = "";
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return;
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}
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if (data.Length > (1048576 * 5))
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{
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HexTextBox.Text = "[File size > 5MB - Not shown due to performance limitations - Please use an external viewer for this file.]";
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return;
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}
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Cursor = Cursors.WaitCursor;
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//int selline = -1;
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//int selstartc = -1;
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//int selendc = -1;
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bool ishex = (LineSizeDropDown.Text != "Text");
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if (ishex)
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{
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int charsperln = int.Parse(LineSizeDropDown.Text);
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int lines = (data.Length / charsperln) + (((data.Length % charsperln) > 0) ? 1 : 0);
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StringBuilder hexb = new StringBuilder();
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StringBuilder texb = new StringBuilder();
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StringBuilder finb = new StringBuilder();
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//if (offset > 0)
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//{
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// selline = offset / charsperln;
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//}
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for (int i = 0; i < lines; i++)
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{
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int pos = i * charsperln;
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int poslim = pos + charsperln;
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hexb.Clear();
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texb.Clear();
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hexb.AppendFormat("{0:X4}: ", pos);
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for (int c = pos; c < poslim; c++)
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{
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if (c < data.Length)
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{
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byte b = data[c];
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hexb.AppendFormat("{0:X2} ", b);
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if (char.IsControl((char)b))
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{
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texb.Append(".");
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}
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else
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{
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texb.Append(Encoding.ASCII.GetString(data, c, 1));
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}
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}
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else
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{
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hexb.Append(" ");
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texb.Append(" ");
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}
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}
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//if (i == selline) selstartc = finb.Length;
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finb.AppendLine(hexb.ToString() + "| " + texb.ToString());
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//if (i == selline) selendc = finb.Length - 1;
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}
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HexTextBox.Text = finb.ToString();
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}
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else
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{
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string text = Encoding.UTF8.GetString(data);
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HexTextBox.Text = text;
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//if (offset > 0)
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//{
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// selstartc = offset;
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// selendc = offset + length;
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//}
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}
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Cursor = Cursors.Default;
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}
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private void LineSizeDropDown_SelectedIndexChanged(object sender, EventArgs e)
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{
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UpdateTextBoxFromData();
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}
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}
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}
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