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Extract out IO namespace, Part 3

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This commit is contained in:
Matt Nadareski
2020-12-08 00:13:22 -08:00
parent 53f5d07ae4
commit 96f0a94b10
60 changed files with 950 additions and 1319 deletions
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81
SabreTools.Skippers/SkipperRule.cs
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@@ -4,7 +4,7 @@ using System.IO;
using SabreTools.Logging;
namespace SabreTools.Library.Skippers
namespace SabreTools.Skippers
{
public class SkipperRule
{
@@ -94,12 +94,12 @@ namespace SabreTools.Library.Skippers
Ensure(Path.GetDirectoryName(output));
//logger.User($"Attempting to apply rule to '{input}'");
bool success = TransformStream(TryOpenRead(input), TryCreate(output));
bool success = TransformStream(File.OpenRead(input), File.Create(output));
// If the output file has size 0, delete it
if (new FileInfo(output).Length == 0)
{
TryDelete(output);
File.Delete(output);
success = false;
}
@@ -269,81 +269,6 @@ namespace SabreTools.Library.Skippers
return dir;
}
/// <summary>
/// Try to create a file for write, optionally throwing the error
/// </summary>
/// <param name="file">Name of the file to create</param>
/// <param name="throwOnError">True if the error that is thrown should be thrown back to the caller, false otherwise</param>
/// <returns>An opened stream representing the file on success, null otherwise</returns>
public static FileStream TryCreate(string file, bool throwOnError = false)
{
// Now wrap opening the file
try
{
return File.Open(file, FileMode.Create, FileAccess.Write, FileShare.ReadWrite);
}
catch (Exception ex)
{
if (throwOnError)
throw ex;
else
return null;
}
}
/// <summary>
/// Try to safely delete a file, optionally throwing the error
/// </summary>
/// <param name="file">Name of the file to delete</param>
/// <param name="throwOnError">True if the error that is thrown should be thrown back to the caller, false otherwise</param>
/// <returns>True if the file didn't exist or could be deleted, false otherwise</returns>
public static bool TryDelete(string file, bool throwOnError = false)
{
// Check if the file exists first
if (!File.Exists(file))
return true;
// Now wrap deleting the file
try
{
File.Delete(file);
return true;
}
catch (Exception ex)
{
if (throwOnError)
throw ex;
else
return false;
}
}
/// <summary>
/// Try to open a file for read, optionally throwing the error
/// </summary>
/// <param name="file">Name of the file to open</param>
/// <param name="throwOnError">True if the error that is thrown should be thrown back to the caller, false otherwise</param>
/// <returns>An opened stream representing the file on success, null otherwise</returns>
public static FileStream TryOpenRead(string file, bool throwOnError = false)
{
// Check if the file exists first
if (!File.Exists(file))
return null;
// Now wrap opening the file
try
{
return File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
}
catch (Exception ex)
{
if (throwOnError)
throw ex;
else
return null;
}
}
#endregion
}
}