wasSharp – Rev 24
?pathlinks?
///////////////////////////////////////////////////////////////////////////
// Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 //
// Please see: http://www.gnu.org/licenses/gpl.html for legal details, //
// rights of fair usage, the disclaimer and warranty conditions. //
///////////////////////////////////////////////////////////////////////////
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace wasSharp
{
public static class IO
{
///////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 //
///////////////////////////////////////////////////////////////////////////
/// <summary>
/// Combine multiple paths.
/// </summary>
/// <param name="paths">an array of paths</param>
/// <returns>a combined path</returns>
public static string PathCombine(string separator = @"\", params string[] paths)
{
return string.Join(separator, paths);
}
/// <summary>
/// Strip characters that are incompatible with file names.
/// </summary>
/// <param name="fileName">the name of the file</param>
/// <returns>a clean string</returns>
private static string CleanFileName(string fileName)
{
return Path.GetInvalidFileNameChars()
.Aggregate(fileName, (current, c) => current.Replace(c.ToString(), string.Empty));
}
public static async Task DeflateCompress(this Stream uncompressedSourceStream,
Stream compressedDestinationStream, bool leaveOpen = false)
{
using (
var compressionStream = new DeflateStream(compressedDestinationStream, CompressionMode.Compress,
leaveOpen))
{
await uncompressedSourceStream.CopyToAsync(compressionStream);
}
}
public static async Task DeflateDecompress(this Stream compressedSourceStream,
Stream uncompressedDestinationStream, bool leaveOpen = false)
{
using (
var decompressionStream = new DeflateStream(compressedSourceStream, CompressionMode.Decompress,
leaveOpen))
{
await decompressionStream.CopyToAsync(uncompressedDestinationStream);
}
}
public static async Task GZipCompress(this Stream uncompressedSourceStream, Stream compressedDestinationStream,
bool leaveOpen = false)
{
using (
var compressionStream = new GZipStream(compressedDestinationStream, CompressionMode.Compress, leaveOpen)
)
{
await uncompressedSourceStream.CopyToAsync(compressionStream);
}
}
public static async Task GZipDecompress(this Stream compressedSourceStream, Stream uncompressedDestinationStream,
bool leaveOpen = false)
{
using (
var decompressionStream = new GZipStream(compressedSourceStream, CompressionMode.Decompress, leaveOpen))
{
await decompressionStream.CopyToAsync(uncompressedDestinationStream);
}
}
public static string MimeType(string fileName, char extensionSeparator = '.')
{
switch (fileName.Split('.').Last().ToUpperInvariant())
{
case "AVI":
return "video/x-msvideo";
case "CSS":
return "text/css";
case "DOC":
return "application/msword";
case "GIF":
return "image/gif";
case "HTM":
case "HTML":
return "text/html";
case "JPG":
case "JPEG":
return "image/jpeg";
case "JS":
return "application/x-javascript";
case "MP3":
return "audio/mpeg";
case "PNG":
return "image/png";
case "PDF":
return "application/pdf";
case "PPT":
return "application/vnd.ms-powerpoint";
case "ZIP":
return "application/zip";
case "TXT":
return "text/plain";
case "XML":
return "text/xml";
case "SQLITE":
return "application/x-sqlite3";
default:
return "application/octet-stream";
}
}
///////////////////////////////////////////////////////////////////////////
// Copyright (C) 2016 Wizardry and Steamworks - License: GNU GPLv3 //
///////////////////////////////////////////////////////////////////////////
/// <summary>
/// Splits a path using a separator and an escape character.
/// </summary>
/// <param name="path">the path to split</param>
/// <param name="separator">the separator character</param>
/// <param name="escape">the escape character</param>
/// <returns>path parts</returns>
public static IEnumerable<string> PathSplit(this string path, char separator, char? escape)
{
var s = new Stack<char>();
var p = new StringBuilder();
foreach (var c in path)
{
if (c == escape)
{
s.Push(c);
continue;
}
if (c == separator)
{
if (s.Count.Equals(0) || !s.Peek().Equals(escape))
{
yield return p.ToString();
p = new StringBuilder();
continue;
}
s.Pop();
while (!s.Count.Equals(0))
{
p.Append(s.Pop());
}
p.Append(c);
continue;
}
p.Append(c);
}
while (!s.Count.Equals(0))
{
p.Append(s.Pop());
}
yield return p.ToString();
}
}
}
Generated by GNU Enscript 1.6.5.90.