114 lines
3.5 KiB
C#
114 lines
3.5 KiB
C#
// PackUriParser.cs created with MonoDevelop
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// User: alan at 14:50 31/10/2008
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//
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// To change standard headers go to Edit->Preferences->Coding->Standard Headers
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//
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace System.IO.Packaging
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{
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class PackUriParser : System.GenericUriParser
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{
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const string SchemaName = "pack";
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StringBuilder builder = new StringBuilder();
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public PackUriParser ()
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: base (GenericUriParserOptions.Default)
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{
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}
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protected override string GetComponents(Uri uri, UriComponents components, UriFormat format)
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{
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string s = uri.OriginalString;
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builder.Remove(0, builder.Length);
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if ((components & UriComponents.Scheme) == UriComponents.Scheme)
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{
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int start = 0;
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int end = s.IndexOf(':');
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builder.Append(s, start, end - start);
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}
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if ((components & UriComponents.Host) == UriComponents.Host)
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{
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// Skip past pack://
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int start = 7;
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int end = s.IndexOf('/', start);
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if (end == -1)
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end = s.Length;
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if (builder.Length > 0)
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builder.Append("://");
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builder.Append(s, start, end - start);
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}
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// Port is always -1, so i think i can ignore both Port and StrongPort
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// Normally they'd get parsed here
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if ((components & UriComponents.Path) == UriComponents.Path)
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{
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// Skip past pack://
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int start = s.IndexOf('/', 7);
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int end = s.IndexOf('?');
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if (end == -1)
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end = s.IndexOf('#');
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if (end == -1)
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end = s.Length;
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if ((components & UriComponents.KeepDelimiter) != UriComponents.KeepDelimiter &&
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builder.Length == 0)
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start++;
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if (start > 0) builder.Append(s, start, end - start);
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}
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if ((components & UriComponents.Query) == UriComponents.Query)
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{
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int index = s.IndexOf('?');
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if (index != -1)
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{
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if ((components & UriComponents.KeepDelimiter) != UriComponents.KeepDelimiter &&
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builder.Length == 0)
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index++;
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int fragIndex = s.IndexOf('#');
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int end = fragIndex == -1 ? s.Length : fragIndex;
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builder.Append(s, index, end - index);
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}
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}
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if ((components & UriComponents.Fragment) == UriComponents.Fragment)
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{
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int index = s.IndexOf('#');
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if (index != -1)
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{
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if ((components & UriComponents.KeepDelimiter) != UriComponents.KeepDelimiter &&
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builder.Length == 0)
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index++;
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builder.Append(s, index, s.Length - index);
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}
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}
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return builder.ToString();
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}
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protected override void InitializeAndValidate(Uri uri, out UriFormatException parsingError)
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{
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parsingError = null;
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}
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protected override UriParser OnNewUri()
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{
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return new PackUriParser();
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}
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}
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}
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