mirror of
https://github.com/fadden/6502bench.git
synced 2024-11-19 21:31:30 +00:00
5026fd6569
This lays a bit of groundwork for an OMF file analyzer / viewer.
363 lines
14 KiB
C#
363 lines
14 KiB
C#
/*
|
|
* Copyright 2019 faddenSoft
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
using System;
|
|
using System.ComponentModel;
|
|
using System.Diagnostics;
|
|
using System.IO;
|
|
using System.Runtime.CompilerServices;
|
|
using System.Text;
|
|
using System.Windows;
|
|
using System.Windows.Media;
|
|
using Microsoft.Win32;
|
|
|
|
using Asm65;
|
|
|
|
namespace SourceGen.Tools.WpfGui {
|
|
/// <summary>
|
|
/// File slicer tool.
|
|
/// </summary>
|
|
public partial class FileSlicer : Window, INotifyPropertyChanged {
|
|
/// <summary>
|
|
/// Path to file to slice.
|
|
/// </summary>
|
|
private string mPathName;
|
|
|
|
/// <summary>
|
|
/// Text formatter.
|
|
/// </summary>
|
|
private Formatter mFormatter;
|
|
|
|
/// <summary>
|
|
/// Length of file to slice.
|
|
/// </summary>
|
|
private long mFileLength;
|
|
|
|
/// <summary>
|
|
/// Open file.
|
|
/// </summary>
|
|
private FileStream mFileStream;
|
|
|
|
private bool mIsSaveEnabled;
|
|
public bool IsSaveEnabled {
|
|
get { return mIsSaveEnabled; }
|
|
set { mIsSaveEnabled = value; OnPropertyChanged(); }
|
|
}
|
|
|
|
public string FileLengthStr {
|
|
get { return FormatDecAndHex(mFileLength); }
|
|
}
|
|
|
|
// Start/length entry fields and dec+hex display.
|
|
private string mSliceStart;
|
|
public string SliceStart {
|
|
get { return mSliceStart; }
|
|
set { mSliceStart = value; OnPropertyChanged(); UpdateControls(); }
|
|
}
|
|
private string mSliceStartDesc;
|
|
public string SliceStartDesc {
|
|
get { return mSliceStartDesc; }
|
|
set { mSliceStartDesc = value; OnPropertyChanged(); }
|
|
}
|
|
private string mSliceLength;
|
|
public string SliceLength {
|
|
get { return mSliceLength; }
|
|
set { mSliceLength = value; OnPropertyChanged(); UpdateControls(); }
|
|
}
|
|
private string mSliceLengthDesc;
|
|
public string SliceLengthDesc {
|
|
get { return mSliceLengthDesc; }
|
|
set { mSliceLengthDesc = value; OnPropertyChanged(); }
|
|
}
|
|
|
|
private string mStartHexDump;
|
|
public string StartHexDump {
|
|
get { return mStartHexDump; }
|
|
set { mStartHexDump = value; OnPropertyChanged(); }
|
|
}
|
|
private string mEndHexDump;
|
|
public string EndHexDump {
|
|
get { return mEndHexDump; }
|
|
set { mEndHexDump = value; OnPropertyChanged(); }
|
|
}
|
|
|
|
// Text turns red on error.
|
|
private Brush mSliceStartBrush;
|
|
public Brush SliceStartBrush {
|
|
get { return mSliceStartBrush; }
|
|
set { mSliceStartBrush = value; OnPropertyChanged(); }
|
|
}
|
|
private Brush mSliceLengthBrush;
|
|
public Brush SliceLengthBrush {
|
|
get { return mSliceLengthBrush; }
|
|
set { mSliceLengthBrush = value; OnPropertyChanged(); }
|
|
}
|
|
|
|
private Brush mDefaultLabelColor = SystemColors.WindowTextBrush;
|
|
private Brush mErrorLabelColor = Brushes.Red;
|
|
|
|
// INotifyPropertyChanged implementation
|
|
public event PropertyChangedEventHandler PropertyChanged;
|
|
private void OnPropertyChanged([CallerMemberName] string propertyName = "") {
|
|
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Constructor.
|
|
/// </summary>
|
|
public FileSlicer(Window owner, string pathName, Formatter formatter) {
|
|
InitializeComponent();
|
|
Owner = owner;
|
|
DataContext = this;
|
|
|
|
mPathName = pathName;
|
|
mFormatter = formatter;
|
|
|
|
mFileLength = new FileInfo(pathName).Length;
|
|
mFileStream = new FileStream(pathName, FileMode.Open, FileAccess.Read);
|
|
|
|
mSliceStart = mSliceLength = string.Empty;
|
|
UpdateControls();
|
|
}
|
|
|
|
private void Window_Closing(object sender, CancelEventArgs e) {
|
|
mFileStream.Close();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Formats a value in decimal and hex.
|
|
/// </summary>
|
|
/// <param name="val">Value to format.</param>
|
|
/// <returns>Formatted string.</returns>
|
|
private string FormatDecAndHex(long val) {
|
|
StringBuilder sb = new StringBuilder();
|
|
sb.Append(val.ToString());
|
|
sb.Append(" (");
|
|
sb.Append(mFormatter.FormatHexValue((int)val, 4));
|
|
sb.Append(")");
|
|
return sb.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Updates the state of the controls after something changed.
|
|
/// </summary>
|
|
private void UpdateControls() {
|
|
ParseStartLength(out bool isStartValid, out long sliceStart,
|
|
out bool isLengthValid, out long sliceLength);
|
|
|
|
SliceStartDesc = FormatDecAndHex(sliceStart);
|
|
SliceLengthDesc = FormatDecAndHex(sliceLength) +
|
|
(string)FindResource("str_LastByteAt") +
|
|
mFormatter.FormatOffset24((int)(sliceStart + sliceLength - 1));
|
|
|
|
if (isStartValid && isLengthValid) {
|
|
// anchor is first byte in slice
|
|
StartHexDump = CreateSplitHexDump(0, sliceStart, sliceStart + sliceLength - 1);
|
|
// anchor is first byte after slice (may be off end)
|
|
EndHexDump = CreateSplitHexDump(sliceStart, sliceStart + sliceLength,
|
|
mFileLength - 1);
|
|
} else {
|
|
StartHexDump = EndHexDump = string.Empty;
|
|
}
|
|
|
|
SliceStartBrush = isStartValid ? mDefaultLabelColor : mErrorLabelColor;
|
|
SliceLengthBrush = isLengthValid ? mDefaultLabelColor : mErrorLabelColor;
|
|
|
|
IsSaveEnabled = isStartValid && isLengthValid;
|
|
}
|
|
|
|
private void ParseStartLength(out bool startOk, out long sliceStart,
|
|
out bool lengthOk, out long sliceLength) {
|
|
startOk = lengthOk = true;
|
|
|
|
if (string.IsNullOrEmpty(SliceStart)) {
|
|
sliceStart = 0;
|
|
} else if (Number.TryParseLong(SliceStart.Trim(), out sliceStart, out int unused1)) {
|
|
if (sliceStart < 0 || sliceStart >= mFileLength) {
|
|
startOk = false;
|
|
}
|
|
} else {
|
|
startOk = false;
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(SliceLength)) {
|
|
sliceLength = mFileLength - sliceStart;
|
|
if (sliceLength < 0) {
|
|
sliceLength = 0;
|
|
}
|
|
} else if (Number.TryParseLong(SliceLength.Trim(), out sliceLength, out int unused2)) {
|
|
if (sliceLength <= 0 || sliceLength > mFileLength ||
|
|
sliceStart + sliceLength > mFileLength) {
|
|
lengthOk = false;
|
|
}
|
|
} else {
|
|
lengthOk = false;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates a hex dump with up to 5 lines. Two lines before the anchor point, then
|
|
/// a gap, then two lines that start with the anchor.
|
|
/// </summary>
|
|
/// <param name="minFirst">Earliest position we're allowed to include.</param>
|
|
/// <param name="anchorPos">Anchor point.</param>
|
|
/// <param name="maxLast">Last position we're allowed to show (inclusive end).</param>
|
|
/// <returns>Multi-line formatted string.</returns>
|
|
private string CreateSplitHexDump(long minFirst, long anchorPos, long maxLast) {
|
|
const long AND_16_MASK = ~0x0f;
|
|
|
|
Debug.Assert(minFirst <= anchorPos && anchorPos <= maxLast + 1 && minFirst <= maxLast);
|
|
Debug.Assert(minFirst >= 0);
|
|
Debug.Assert(maxLast < mFileLength);
|
|
|
|
StringBuilder sb = new StringBuilder(5 * 64);
|
|
byte[] dataBuf = new byte[32];
|
|
|
|
// We show two lines of hex dump before the anchor, so we need up to 32 bytes.
|
|
long firstPos = Math.Max(anchorPos - 32, minFirst);
|
|
firstPos = (firstPos + 15) & AND_16_MASK;
|
|
long chunkLen = anchorPos - firstPos;
|
|
|
|
mFileStream.Seek(firstPos, SeekOrigin.Begin);
|
|
int actual = mFileStream.Read(dataBuf, 0, dataBuf.Length);
|
|
Debug.Assert(chunkLen <= actual);
|
|
|
|
if (chunkLen <= 0) {
|
|
// no pre-anchor data
|
|
sb.AppendLine(string.Empty);
|
|
sb.AppendLine(string.Empty);
|
|
} else {
|
|
long pos = firstPos;
|
|
long lineLen = 16 - (pos & 0x0f);
|
|
if (lineLen >= chunkLen) {
|
|
// top part fits on a single line; do it on the next one
|
|
lineLen = chunkLen;
|
|
sb.AppendLine(string.Empty);
|
|
} else {
|
|
mFormatter.FormatHexDump(dataBuf, (int)(pos - firstPos), (int)pos,
|
|
(int)lineLen, sb);
|
|
sb.Append("\r\n");
|
|
//sb.AppendLine(pos.ToString("x4") + ": " + lineLen);
|
|
pos += lineLen;
|
|
lineLen = chunkLen - lineLen;
|
|
}
|
|
|
|
mFormatter.FormatHexDump(dataBuf, (int)(pos - firstPos), (int)pos,
|
|
(int)lineLen, sb);
|
|
sb.Append("\r\n");
|
|
//sb.AppendLine(pos.ToString("x4") + ": " + lineLen);
|
|
}
|
|
|
|
sb.AppendLine("------");
|
|
|
|
// We show two lines of hex dump with the anchor, so we need up to 31 bytes
|
|
// following it.
|
|
//
|
|
// NOTE: anchorPos is inclusive and represents the first byte contained in the
|
|
// range. If we're doing the hex dump for the end of the file, the value can be
|
|
// one greater than maxLast if the pre-anchor range runs to EOF.
|
|
long lastPos = ((anchorPos + 32) & AND_16_MASK) - 1; // inclusive end
|
|
lastPos = Math.Min(lastPos, maxLast);
|
|
chunkLen = lastPos - anchorPos + 1;
|
|
|
|
mFileStream.Seek(anchorPos, SeekOrigin.Begin);
|
|
actual = mFileStream.Read(dataBuf, 0, dataBuf.Length);
|
|
Debug.Assert(chunkLen <= actual);
|
|
|
|
if (chunkLen <= 0) {
|
|
// anchor not visible
|
|
sb.AppendLine(string.Empty);
|
|
sb.AppendLine(string.Empty);
|
|
} else {
|
|
long pos = anchorPos;
|
|
long lineLen = 16 - (pos & 0x0f);
|
|
if (lineLen > chunkLen) {
|
|
lineLen = chunkLen;
|
|
}
|
|
mFormatter.FormatHexDump(dataBuf, (int)(pos - anchorPos), (int)pos,
|
|
(int)lineLen, sb);
|
|
sb.Append("\r\n");
|
|
//sb.AppendLine(pos.ToString("x4") + ": " + lineLen);
|
|
pos += lineLen;
|
|
lineLen = chunkLen - lineLen;
|
|
|
|
if (lineLen <= 0) {
|
|
sb.AppendLine(string.Empty);
|
|
} else {
|
|
mFormatter.FormatHexDump(dataBuf, (int)(pos - anchorPos), (int)pos,
|
|
(int)lineLen, sb);
|
|
sb.Append("\r\n");
|
|
//sb.AppendLine(pos.ToString("x4") + ": " + lineLen);
|
|
}
|
|
}
|
|
|
|
return sb.ToString();
|
|
}
|
|
|
|
private void SaveButton_Click(object sender, RoutedEventArgs e) {
|
|
SaveFileDialog fileDlg = new SaveFileDialog() {
|
|
Filter = Res.Strings.FILE_FILTER_ALL,
|
|
FilterIndex = 0,
|
|
ValidateNames = true,
|
|
FileName = "slice.bin"
|
|
};
|
|
if (fileDlg.ShowDialog() != true) {
|
|
return;
|
|
}
|
|
string pathName = Path.GetFullPath(fileDlg.FileName);
|
|
Debug.WriteLine("OUTPUT TO " + pathName);
|
|
|
|
try {
|
|
ParseStartLength(out bool startOk, out long sliceStart,
|
|
out bool lengthOk, out long sliceLength);
|
|
if (!(startOk && lengthOk)) {
|
|
throw new Exception("Internal error: start/length invalid");
|
|
}
|
|
|
|
using (FileStream outStream = new FileStream(pathName, FileMode.Create)) {
|
|
mFileStream.Seek(sliceStart, SeekOrigin.Begin);
|
|
CopyStreamToStream(mFileStream, outStream, sliceLength);
|
|
}
|
|
} catch (Exception ex) {
|
|
string ecaption = (string)FindResource("str_FileAccessFailedCaption");
|
|
string efmt = (string)FindResource("str_FileAccessFailedFmt");
|
|
MessageBox.Show(string.Format(efmt, ex.Message), ecaption,
|
|
MessageBoxButton.OK, MessageBoxImage.Error);
|
|
return;
|
|
}
|
|
|
|
string caption = (string)FindResource("str_SuccessCaption");
|
|
string msg = (string)FindResource("str_SuccessMsg");
|
|
MessageBox.Show(msg, caption, MessageBoxButton.OK, MessageBoxImage.None);
|
|
}
|
|
|
|
private static void CopyStreamToStream(Stream inStream, Stream outStream, long length) {
|
|
byte[] buffer = new byte[256 * 1024];
|
|
|
|
while (length > 0) {
|
|
int getLen = (int)Math.Min(length, buffer.Length);
|
|
|
|
int actual = inStream.Read(buffer, 0, getLen);
|
|
if (actual != getLen) {
|
|
throw new IOException("Read failed: requested " + getLen + ", got " + actual);
|
|
}
|
|
outStream.Write(buffer, 0, getLen);
|
|
|
|
length -= getLen;
|
|
}
|
|
}
|
|
}
|
|
}
|