public CompressorResults Compress(string js, string filename, ClosureCompilerJsCompressionOptions packagerOptions)
{
var compressorResult = new CompressorResults();
var options = new CompilerOptions();
CompilationLevel compilationLevel;
switch (packagerOptions.CompressionLevel)
{
case ClosureCompressionLevel.SimpleOptimizations:
compilationLevel = CompilationLevel.SIMPLE_OPTIMIZATIONS;
break;
case ClosureCompressionLevel.AdvancedOptimizations:
compilationLevel = CompilationLevel.ADVANCED_OPTIMIZATIONS;
break;
default:
compilationLevel = CompilationLevel.WHITESPACE_ONLY;
break;
}
compilationLevel.setOptionsForCompilationLevel(options);
var compiler = new Compiler();
var dummy = JSSourceFile.fromCode("externs.js", "");
var source = JSSourceFile.fromCode(filename, js);
var result = compiler.compile(dummy, source, options);
if (!result.success && packagerOptions.FailOnCompilerErrors)
{
if (packagerOptions.FailOnCompilerErrors)
{
throw new ClosureCompilerErrorsException(result.warnings);
}
compressorResult.Errors = (from error in result.errors
select new PackagerResultDetail { Line = error.lineNumber, Char = error.getCharno(), Description = error.description, Filename = error.sourceName }).ToList();
}
if (result.warnings.Length > 0)
{
if (packagerOptions.FailOnCompilerWarnings)
{
throw new ClosureCompilerWarningsException(result.warnings);
}
compressorResult.Warnings = (from warning in result.warnings
select new PackagerResultDetail { Line = warning.lineNumber, Char = warning.getCharno(), Description = warning.description, Filename = warning.sourceName }).ToList();
}
compressorResult.Output = compiler.toSource();
return compressorResult;
}
public CompressorResults Compress(string css, string cssPath)
{
var result = new CompressorResults();
var modifiedCss = "";
var lastMatch = 0;
foreach (Match match in EMBED_DETECTOR.Matches(css))
{
var path = match.Groups[1];
if (path.Value.StartsWith("http"))
continue; //ignore any non-local images
var replacementString = _options.GetCdnImagePath(Utils.GetAbsoluteUrlFromPhysicalPath(Utils.GetPhysicalPathFromUrl(path.Value, cssPath, _options.SiteRoot), _options.SiteRoot));
if (!string.IsNullOrEmpty(replacementString))
{
replacementString = " url('" + replacementString + "')";
modifiedCss += css.Substring(lastMatch, match.Index - lastMatch - 1) + replacementString;
lastMatch = match.Index + match.Length;
}
}
modifiedCss += css.Substring(lastMatch, css.Length - lastMatch);
result.Output = modifiedCss;
return result;
}
