private ILessEngine GetLessEngine(string physicalPath)
{
var basePath = Path.GetDirectoryName(physicalPath);
var stylizer = new PlainStylizer();
var importer = new Importer(new FileReader(new BasePathResolver(basePath)));
var parser = new Parser(stylizer, importer) { NodeProvider = new RawUrlNodeProvider() };
var lessEngine = new LessEngine(parser);
return lessEngine;
}
public string TransformToCss(string source, string fileName)
{
try
{
Parser.StrictMath = StrictMath;
var tree = Parser.Parse(source, fileName);
var env = Env ??
new Env(Parser)
{
Compress = Compress,
Debug = Debug,
KeepFirstSpecialComment = KeepFirstSpecialComment,
DisableVariableRedefines = DisableVariableRedefines,
DisableColorCompression = DisableColorCompression
};
if (Plugins != null)
{
foreach (IPluginConfigurator configurator in Plugins)
{
env.AddPlugin(configurator.CreatePlugin());
}
}
var css = tree.ToCSS(env);
var stylizer = new PlainStylizer();
foreach (var unmatchedExtension in env.FindUnmatchedExtensions()) {
Logger.Warn("Warning: extend '{0}' has no matches {1}\n",
unmatchedExtension.BaseSelector.ToCSS(env).Trim(),
stylizer.Stylize(new Zone(unmatchedExtension.Extend.Location)).Trim());
}
tree.Accept(DelegateVisitor.For<Media>(m => {
foreach (var unmatchedExtension in m.FindUnmatchedExtensions()) {
Logger.Warn("Warning: extend '{0}' has no matches {1}\n",
unmatchedExtension.BaseSelector.ToCSS(env).Trim(),
stylizer.Stylize(new Zone(unmatchedExtension.Extend.Location)).Trim());
}
}));
LastTransformationSuccessful = true;
return css;
}
catch (ParserException e)
{
LastTransformationSuccessful = false;
LastTransformationError = e;
Logger.Error(e.Message);
}
return "";
}