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Added position saving and loading feature to Accessor

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This commit is contained in:
Michael Becker 2015-05-12 16:10:27 -04:00
parent 463b053e25
commit 8b8a0c18f0
2 changed files with 25 additions and 3 deletions
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22
CSharp/Libraries/UniversalEditor.Core/Accessor.cs
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@ -189,5 +189,27 @@ namespace UniversalEditor
{
return String.Empty;
}
#region Position Saving and Loading
private Stack<long> _positions = new Stack<long>();
[DebuggerNonUserCode()]
public void SavePosition()
{
_positions.Push(this.Position);
}
[DebuggerNonUserCode()]
public void LoadPosition()
{
if (_positions.Count > 0) this.Position = _positions.Pop();
}
public void ClearLastPosition()
{
if (_positions.Count > 0) _positions.Pop();
}
public void ClearAllPositions()
{
if (_positions.Count > 0) _positions.Clear();
}
#endregion
}
}

6
CSharp/Plugins/UniversalEditor.Plugins.FileSystem/DataFormats/FileSystem/BinHex/BinHexDataFormat.cs
View File

@ -49,13 +49,13 @@ namespace UniversalEditor.DataFormats.FileSystem.BinHex
if (fsom == null) throw new ObjectModelNotSupportedException();
Reader reader = base.Accessor.Reader;
reader.SavePosition();
base.Accessor.SavePosition();
string line = reader.ReadLine();
if (!(line.StartsWith("(This file must be converted with BinHex ") && line.EndsWith(")")))
{
if (mvarRequireWarningComment) throw new InvalidDataFormatException("File does not begin with BinHex warning comment");
reader.LoadPosition();
base.Accessor.LoadPosition();
}
else
{
@ -63,7 +63,7 @@ namespace UniversalEditor.DataFormats.FileSystem.BinHex
line = line.Substring(0, line.Length - 1);
mvarFormatVersion = new Version(line);
}
reader.ClearLastPosition();
base.Accessor.ClearLastPosition();
string inputStr = reader.ReadStringToEnd();