enable parsing aliased references, fixes #2

StackExchange · May 24, 2016 · 53cf2e0 · 53cf2e0
1 parent b3e41a0
commit 53cf2e0
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Showing 2 changed files with 14 additions and 3 deletions.
diff --git a/StackExchange.Precompilation.Build/PrecompilationCommandLineParser.cs b/StackExchange.Precompilation.Build/PrecompilationCommandLineParser.cs
@@ -88,9 +88,7 @@ public static PrecompilationCommandLineArgs Parse(string[] arguments, string bas
                 }
                 else if(arg.StartsWith("/r:") || arg.StartsWith("/reference:"))
                 {
-                    // don't care about extern stuff for now..
-                    // https://msdn.microsoft.com/en-us/library/ms173212.aspx
-                    references.Add(ParseFileFromArg(arg));
+                    references.Add(ParseFileFromReference(arg));
                 }
                 else if(arg.StartsWith("/appconfig:"))
                 {
@@ -105,5 +103,15 @@ private static string ParseFileFromArg(string arg, char delimiter = ':')
         {
             return Path.GetFullPath(arg.Substring(arg.IndexOf(delimiter) + 1));
         }
+
+        private static string ParseFileFromReference(string arg)
+        {
+            var rxReference = new Regex("/(r|(reference)):([a-zA-Z0-9]*=)?(?<ref>.*)");
+            var match = rxReference.Match(arg);
+            if (!match.Success)
+                throw new Exception($"Could not find a reference in {arg}");
+            var reference = match.Groups["ref"].Value;
+            return Path.GetFullPath(reference);
+        }
     }
 }
diff --git a/StackExchange.Precompilation.Tests/CommandLineTests.cs b/StackExchange.Precompilation.Tests/CommandLineTests.cs
@@ -38,8 +38,11 @@ public void ParseArguments()
         [Test]
         [TestCase("a b c", new string[0], (string)null)]
         [TestCase("a b /r:c.dll", new[] { "c.dll" }, (string)null)]
+        [TestCase("a b /r:a=c.dll", new[] { "c.dll" }, (string)null)]
+        [TestCase("a b /reference:a=c.dll", new[] { "c.dll" }, (string)null)]
         [TestCase("a b /r:c.dll /r:d.dll", new[] { "c.dll", "d.dll" }, (string)null)]
         [TestCase("a b /r:c.dll /appconfig:moar.config /r:d.dll", new[] { "c.dll", "d.dll" }, "moar.config")]
+        [TestCase("a b /r:alias=c.dll /appconfig:moar.config /reference:d.dll", new[] { "c.dll", "d.dll" }, "moar.config")]
         public void ParseArgumentCases(string cmdline, string[] references, string appconfig)
         {
             var dir = Guid.NewGuid().ToString();