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[CHDFile, FileTools] Hook up CHDFile; create helper class

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This commit is contained in:
Matt Nadareski
2017-10-31 02:09:59 -07:00
parent 9c46dd6f01
commit 3ddad2505e
2 changed files with 210 additions and 154 deletions
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49
SabreTools.Library/Tools/FileTools.cs
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@@ -734,8 +734,55 @@ namespace SabreTools.Library.Tools
/// <param name="keepReadOpen">True if the underlying read stream should be kept open, false otherwise</param>
/// <returns>Populated DatItem object if success, empty one on error</returns>
public static DatItem GetStreamInfo(Stream input, long size, Hash omitFromScan = 0x0,
long offset = 0, bool keepReadOpen = false)
long offset = 0, bool keepReadOpen = false, bool ignorechd = true)
{
// We first check to see if it's a CHD
if (ignorechd == false && CHDFile.IsValidCHD(input))
{
// Seek to the starting position, if one is set
try
{
if (offset < 0)
{
input.Seek(offset, SeekOrigin.End);
}
else if (offset > 0)
{
input.Seek(offset, SeekOrigin.Begin);
}
}
catch (NotSupportedException)
{
Globals.Logger.Verbose("Stream does not support seeking. Stream position not changed");
}
catch (NotImplementedException)
{
Globals.Logger.Warning("Stream does not support seeking. Stream position not changed");
}
// Get the Disk from the information
DatItem disk = CHDFile.GetCHDInfo(input);
// Seek to the beginning of the stream if possible
try
{
input.Seek(0, SeekOrigin.Begin);
}
catch (NotSupportedException)
{
Globals.Logger.Verbose("Stream does not support seeking. Stream position not changed");
}
catch (NotImplementedException)
{
Globals.Logger.Verbose("Stream does not support seeking. Stream position not changed");
}
if (!keepReadOpen)
{
input.Dispose();
}
}
Rom rom = new Rom
{
Type = ItemType.Rom,