From 107a0cc2cd119b3863f725eda204c91f33f6e8f2 Mon Sep 17 00:00:00 2001
From: Darren Kopp <darrenkopp@gmail.com>
Date: Sun, 30 Mar 2014 18:47:13 -0600
Subject: [PATCH] support for generating source maps

closes #51
---
 .../LibSass/NSassDocumentCompiler.cs          | 19 ++++++++++++++++++-
 .../SassGem/SassDocumentCompiler.cs           |  7 +++++--
 SassyStudio.2012/Options/ScssOptions.cs       |  6 ++++++
 3 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/SassyStudio.2012/Integration/LibSass/NSassDocumentCompiler.cs b/SassyStudio.2012/Integration/LibSass/NSassDocumentCompiler.cs
index ce67099..6535c15 100644
--- a/SassyStudio.2012/Integration/LibSass/NSassDocumentCompiler.cs
+++ b/SassyStudio.2012/Integration/LibSass/NSassDocumentCompiler.cs
@@ -37,13 +37,30 @@ public void Compile(FileInfo source, FileInfo output)
             if (!string.IsNullOrWhiteSpace(Options.CompilationIncludePaths) && Directory.Exists(Options.CompilationIncludePaths))
                 includePaths = includePaths.Concat(Options.CompilationIncludePaths.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries));
 
-            var css = Compiler.CompileFile(source.FullName, sourceComments: Options.IncludeSourceComments, additionalIncludePaths: includePaths);
+            var result = Compiler.CompileFile(source.FullName, sourceMapPath: output.Name + ".map", sourceComments: DetermineSourceCommentsMode(Options), additionalIncludePaths: includePaths);
+            var css = result.CSS;
+            var sourceMap = result.SourceMap;
             InteropHelper.CheckOut(output.FullName);
 
             if (Options.IncludeGeneratedCodeWarning)
                 css = new StringBuilder("/* AUTOGENERATED CSS: To make changes edit ").Append(source.Name).Append(" */").AppendLine().Append(css).ToString();
 
             File.WriteAllText(output.FullName, css, UTF8_ENCODING);
+
+            if (Options.GenerateSourceMaps && !string.IsNullOrEmpty(sourceMap))
+            {
+                InteropHelper.CheckOut(output.FullName + ".map");
+                File.WriteAllText(output.FullName + ".map", sourceMap, UTF8_ENCODING);
+            }
+        }
+
+        private static SourceCommentsMode DetermineSourceCommentsMode(ScssOptions options)
+        {
+            return options.GenerateSourceMaps 
+                ? SourceCommentsMode.SourceMaps 
+                : options.IncludeSourceComments 
+                    ? SourceCommentsMode.Default 
+                    : SourceCommentsMode.None;
         }
 
         private DirectoryInfo DetermineSaveDirectory(FileInfo source)
diff --git a/SassyStudio.2012/Integration/SassGem/SassDocumentCompiler.cs b/SassyStudio.2012/Integration/SassGem/SassDocumentCompiler.cs
index af60c99..823ca7e 100644
--- a/SassyStudio.2012/Integration/SassGem/SassDocumentCompiler.cs
+++ b/SassyStudio.2012/Integration/SassGem/SassDocumentCompiler.cs
@@ -70,8 +70,11 @@ public FileInfo GetOutput(FileInfo source)
 
         private string GetSassArguments(FileInfo input, FileInfo output)
         {
-            return new StringBuilder()
-                .Append("--no-cache ")
+            var builder = new StringBuilder().Append("--no-cache ");
+            if (Options.GenerateSourceMaps)
+                builder.Append("--sourcemap ");
+
+            return builder
                 .Append(@"""").Append(input.FullName).Append(@"""").Append(" ")
                 .Append(@"""").Append(output.FullName).Append(@"""")
             .ToString();
diff --git a/SassyStudio.2012/Options/ScssOptions.cs b/SassyStudio.2012/Options/ScssOptions.cs
index 8fd1633..7431dab 100644
--- a/SassyStudio.2012/Options/ScssOptions.cs
+++ b/SassyStudio.2012/Options/ScssOptions.cs
@@ -18,6 +18,7 @@ public override void LoadSettingsFromStorage()
             IncludeCssInProject = true;
             IncludeCssInProjectOutput = true;
             IncludeSourceComments = false;
+            GenerateSourceMaps = false;
             ReplaceCssWithException = false;
             IncludeGeneratedCodeWarning = false;
 
@@ -83,5 +84,10 @@ public override void LoadSettingsFromStorage()
         [Description("When enabled, a warning will be emitted to CSS files that the file was generated by compiler.")]
         [Category("Diagnostics")]
         public bool IncludeGeneratedCodeWarning { get; set; }
+
+        [LocDisplayName("Generate Source Map")]
+        [Description("When enabled, a source map file will be generated.")]
+        [Category("SCSS")]
+        public bool GenerateSourceMaps { get; set; }
     }
 }