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[CHDFile, FileTools] Move static functions to FileTools

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This commit is contained in:
Matt Nadareski
2017-10-31 10:05:41 -07:00
parent 80f8778be9
commit 67b613ade9
2 changed files with 70 additions and 88 deletions
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71
SabreTools.Library/Tools/FileTools.cs
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@@ -267,6 +267,35 @@ namespace SabreTools.Library.Tools
return datItem;
}
/// <summary>
/// Get internal metadata from a CHD
/// </summary>
/// <param name="input">Filename of possible CHD</param>
/// <returns>A Disk object with internal SHA-1 on success, null on error, empty Disk otherwise</returns>
/// <remarks>
/// Original code had a "writable" param. This is not required for metadata checking
/// </remarks>
public static DatItem GetCHDInfo(string input)
{
FileStream fs = FileTools.TryOpenRead(input);
DatItem datItem = GetCHDInfo(fs);
fs.Dispose();
return datItem;
}
/// <summary>
/// Get if file is a valid CHD
/// </summary>
/// <param name="input">Filename of possible CHD</param>
/// <returns>True if a the file is a valid CHD, false otherwise</returns>
public static bool IsValidCHD(string input)
{
DatItem datItem = GetCHDInfo(input);
return datItem != null
&& datItem.Type == ItemType.Disk
&& ((Disk)datItem).SHA1 != null;
}
/// <summary>
/// Retrieve a list of files from a directory recursively in proper order
/// </summary>
@@ -739,7 +768,7 @@ namespace SabreTools.Library.Tools
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))
if (ignorechd == false && IsValidCHD(input))
{
// Seek to the starting position, if one is set
try
@@ -763,7 +792,7 @@ namespace SabreTools.Library.Tools
}
// Get the Disk from the information
DatItem disk = CHDFile.GetCHDInfo(input);
DatItem disk = GetCHDInfo(input);
// Seek to the beginning of the stream if possible
try
@@ -931,6 +960,44 @@ namespace SabreTools.Library.Tools
return rom;
}
/// <summary>
/// Get internal metadata from a CHD
/// </summary>
/// <param name="input">Stream of possible CHD</param>
/// <returns>A Disk object with internal SHA-1 on success, null on error, empty Disk otherwise</returns>
/// <remarks>
/// Original code had a "writable" param. This is not required for metadata checking
/// </remarks>
public static DatItem GetCHDInfo(Stream input)
{
// Create a blank Disk to populate and return
Disk datItem = new Disk();
// Get a CHD object to store the data
CHDFile chd = new CHDFile(input);
// Get the SHA-1 from the chd
byte[] sha1 = chd.GetSHA1FromHeader();
// Set the SHA-1 of the Disk to return
datItem.SHA1 = (sha1 == null ? null : BitConverter.ToString(sha1).Replace("-", string.Empty).ToLowerInvariant());
return datItem;
}
/// <summary>
/// Get if stream is a valid CHD
/// </summary>
/// <param name="input">Stream of possible CHD</param>
/// <returns>True if a the file is a valid CHD, false otherwise</returns>
public static bool IsValidCHD(Stream input)
{
DatItem datItem = GetCHDInfo(input);
return datItem != null
&& datItem.Type == ItemType.Disk
&& ((Disk)datItem).SHA1 != null;
}
#endregion
#region Stream Manipulation