From 3eb4091808735858b01855d298226d239be464af Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Thu, 3 Nov 2016 02:37:52 -0400
Subject: move additional classes to new server lib

---
 .../Library/PathExtensions.cs                      | 45 ++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 Emby.Server.Implementations/Library/PathExtensions.cs

(limited to 'Emby.Server.Implementations/Library/PathExtensions.cs')

diff --git a/Emby.Server.Implementations/Library/PathExtensions.cs b/Emby.Server.Implementations/Library/PathExtensions.cs
new file mode 100644
index 000000000..28ed2f53c
--- /dev/null
+++ b/Emby.Server.Implementations/Library/PathExtensions.cs
@@ -0,0 +1,45 @@
+using System;
+using System.Text.RegularExpressions;
+
+namespace Emby.Server.Implementations.Library
+{
+    public static class PathExtensions
+    {
+        /// <summary>
+        /// Gets the attribute value.
+        /// </summary>
+        /// <param name="str">The STR.</param>
+        /// <param name="attrib">The attrib.</param>
+        /// <returns>System.String.</returns>
+        /// <exception cref="System.ArgumentNullException">attrib</exception>
+        public static string GetAttributeValue(this string str, string attrib)
+        {
+            if (string.IsNullOrEmpty(str))
+            {
+                throw new ArgumentNullException("str");
+            }
+
+            if (string.IsNullOrEmpty(attrib))
+            {
+                throw new ArgumentNullException("attrib");
+            }
+
+            string srch = "[" + attrib + "=";
+            int start = str.IndexOf(srch, StringComparison.OrdinalIgnoreCase);
+            if (start > -1)
+            {
+                start += srch.Length;
+                int end = str.IndexOf(']', start);
+                return str.Substring(start, end - start);
+            }
+            // for imdbid we also accept pattern matching
+            if (string.Equals(attrib, "imdbid", StringComparison.OrdinalIgnoreCase))
+            {
+                var m = Regex.Match(str, "tt\\d{7}", RegexOptions.IgnoreCase);
+                return m.Success ? m.Value : null;
+            }
+
+            return null;
+        }
+    }
+}
-- 
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