/// <summary>
/// Transforms the content of the given string.
/// </summary>
/// <param name="input">The input string to transform.</param>
/// <param name="path">The path to the given input string to transform.</param>
/// <param name="cruncher">The cruncher that is running the transform.</param>
/// <returns>The transformed string.</returns>
public string Transform(string input, string path, CruncherBase cruncher)
{
try
{
var options = new LibSass.Compiler.Options.SassOptions
{
InputPath = path,
OutputStyle = LibSass.Compiler.Options.SassOutputStyle.Expanded,
Precision = 5,
IsIndentedSyntax = System.IO.Path.GetExtension(path).Equals(".sass", StringComparison.OrdinalIgnoreCase)
};
var compiler = new LibSass.Compiler.SassCompiler(options);
var result = compiler.Compile();
foreach (var file in result.IncludedFiles)
{
cruncher.AddFileMonitor(file, "not empty");
}
return(result.Output);
}
catch (Exception ex)
{
throw new SassAndScssCompilingException(ex.Message, ex.InnerException);
}
}
public string Execute(RenderContext context, string input)
{
if (Kooboo.Lib.Helper.RuntimeSystemHelper.IsWindow())
{
var sassOptions = new LibSass.Compiler.Options.SassOptions
{
Data = input
};
var sass = new LibSass.Compiler.SassCompiler(sassOptions);
var result = sass.Compile();
return(result.Output);
}
if (Kooboo.Lib.Helper.RuntimeSystemHelper.IsLinux())
{
return(SassHelper.Compile(input));
}
//mac template don't support
return(string.Empty);
}
private Compiler(string path)
{
options = new LibSass.Compiler.Options.SassOptions();
options.InputPath = path;
}
/// <summary><![CDATA[
/// Compile a SCSS file or files into CSS.
/// ]]></summary>
/// <param name="scssInputPath">Web path to the scss input file (e.g. "/scss/application.scss").</param>
/// <param name="outputPath">Web path to the CSS output file (e.g. "/stylesheets/application.css").</param>
/// <param name="debugMode">Set to true for expanded output with source maps, false for compressed production CSS only</param>
/// <param name="force">Force a rebuild</param>
/// <returns>True if successful, false if an error occurred</returns>
public static void BuildScss(this string scssInputPath, string outputPath, bool debugMode = false, bool force = false)
{
var process = force;
Debug.WriteLine("");
Debug.WriteLine("LibSass result (" + (debugMode ? "debug" : "release") + " mode):");
Debug.WriteLine("------------------------------");
#region Determine if at least one file has been modified
if (force)
{
Debug.WriteLine("FORCED REBUILD MODE");
}
else
{
if (!FileExists(outputPath))
{
Debug.WriteLine("CSS file is missing, will recompile...");
process = true;
}
else
{
if (debugMode && !FileExists(outputPath + ".map"))
{
Debug.WriteLine("Debug mode and CSS Map file is missing, will recompile...");
process = true;
}
else
{
if (HttpContext.Current.Application.KeyExists(ConvertFilePathToKey(scssInputPath)))
{
var files = (ArrayList)HttpContext.Current.Application[ConvertFilePathToKey(scssInputPath)];
if (files.Count > 0)
{
foreach (string file in files)
{
var segments = file.Split('|');
Debug.Write(GetFilename(segments[0]) + "... ");
if (segments.Length == 2)
{
FileInfo fileInfo = new FileInfo(MapPath(segments[0]));
DateTime lastModified = fileInfo.LastWriteTime;
if (segments[1] != lastModified.DateFormat(DateFormats.Utc))
{
process = true;
Debug.WriteLine(" modified, will recompile...");
break;
}
else
{
Debug.WriteLine(" unchanged");
}
}
else
{
process = true;
Debug.WriteLine(" has no previous timestamp, will recompile...");
break;
}
}
}
else
{
process = true;
Debug.WriteLine("No files list is present, will recompile...");
}
}
else
{
process = true;
Debug.WriteLine("Cannot determine prior build timestamps, will recompile...");
}
}
}
}
#endregion
#region No state or file(s) modified, process...
if (process == true)
{
var debugOptions = new LibSass.Compiler.Options.SassOptions
{
OutputStyle = LibSass.Compiler.Options.SassOutputStyle.Compact,
IncludeSourceComments = false,
IncludeSourceMapContents = true,
OutputPath = MapPath(outputPath),
SourceMapFile = outputPath + ".map",
InputPath = MapPath(scssInputPath)
};
var releaseOptions = new LibSass.Compiler.Options.SassOptions
{
OutputStyle = LibSass.Compiler.Options.SassOutputStyle.Compact,
IncludeSourceComments = false,
IncludeSourceMapContents = false,
OutputPath = MapPath(outputPath),
InputPath = MapPath(scssInputPath)
};
try
{
var cssResult = new LibSass.Compiler.SassResult();
var css = "";
var map = "";
if (debugMode == false)
{
var sassCompiler = new LibSass.Compiler.SassCompiler(releaseOptions);
var cssc = new Yahoo.Yui.Compressor.CssCompressor();
cssResult = sassCompiler.Compile();
css = cssc.Compress(cssResult.Output);
}
else
{
var sassCompiler = new LibSass.Compiler.SassCompiler(debugOptions);
cssResult = sassCompiler.Compile();
css = cssResult.Output;
map = cssResult.SourceMap;
}
if (outputPath.FileExists())
{
DeleteFiles(outputPath);
Debug.WriteLine("Deleted " + outputPath);
}
if ((outputPath + ".map").FileExists())
{
DeleteFiles(outputPath + ".map");
Debug.WriteLine("Deleted " + outputPath + ".map");
}
WriteFile(outputPath, css);
Debug.WriteLine("Generated " + outputPath);
if (debugMode == true)
{
WriteFile(outputPath + ".map", map);
Debug.WriteLine("Generated " + outputPath + ".map");
}
if (cssResult.IncludedFiles.Length > 0)
{
ArrayList fileList = new ArrayList();
foreach (var file in cssResult.IncludedFiles)
{
FileInfo fileInfo = new FileInfo(MapPath(file));
DateTime lastModified = fileInfo.LastWriteTime;
var item = file + "|" + lastModified.DateFormat(DateFormats.Utc);
fileList.Add(item);
Debug.WriteLine(item);
}
HttpContext.Current.Application[ConvertFilePathToKey(scssInputPath)] = fileList;
Debug.WriteLine("Saved state for " + fileList.Count + " files");
Debug.WriteLine("");
}
else
{
Debug.WriteLine("No files to process, aborting");
Debug.WriteLine("");
}
}
catch (Exception e)
{
Debug.WriteLine("LibSass error: " + e.Message);
Debug.WriteLine("");
}
}
else
{
Debug.WriteLine("File(s) not modified, aborting");
Debug.WriteLine("");
}
#endregion
}
