@Override public String process(final String filename, final String source, final Config conf, final ClassLoader loader) throws Exception { String path = filename; try { LessCompiler compiler = new ThreadUnsafeLessCompiler(); LessSource src = new LessStrSource(source, path); CompilationResult result = compiler.compile(src, lessConf(conf)); result.getWarnings().forEach(warn -> { log.warn("{}:{}:{}:{}: {}", path, warn.getType(), warn.getLine(), warn.getCharacter(), warn.getMessage()); }); if (path.endsWith(".map")) { return result.getSourceMap(); } else { return result.getCss(); } } catch (Less4jException ex) { List<AssetProblem> problems = ex.getErrors().stream() .map(it -> new AssetProblem(path, it.getLine(), it.getCharacter(), it.getMessage(), null)) .collect(Collectors.toList()); throw new AssetException(name(), problems); } }
@Override protected void sendResource(URL resourceUrl, RouteContext routeContext) throws IOException { try { // compile less to css log.trace("Send css for '{}'", resourceUrl); LessSource.URLSource source = new LessSource.URLSource(resourceUrl); String content = source.getContent(); String result = sourceMap.get(content); if (result == null) { ThreadUnsafeLessCompiler compiler = new ThreadUnsafeLessCompiler(); LessCompiler.Configuration configuration = new LessCompiler.Configuration(); configuration.setCompressing(minify); LessCompiler.CompilationResult compilationResult = compiler.compile(resourceUrl, configuration); for (LessCompiler.Problem warning : compilationResult.getWarnings()) { log.warn("Line: {}, Character: {}, Message: {} ", warning.getLine(), warning.getCharacter(), warning.getMessage()); } result = compilationResult.getCss(); if (routeContext.getApplication().getPippoSettings().isProd()) { sourceMap.put(content, result); } } // send css routeContext.getResponse().contentType("text/css"); routeContext.getResponse().ok().send(result); } catch (Exception e) { throw new PippoRuntimeException(e); } }
private static void customCssLocationExample2() throws Less4jException { File cssFile = new File("dist/sampleInput.css").getAbsoluteFile(); Configuration configuration = new Configuration(); configuration.setCssResultLocation(cssFile); URI uri = (new File("src/sampleInput.less")).toURI(); StringSource lessSource = new StringSource(".class { margin: 1 1 1 1; }", "sampleInput.less", uri); LessCompiler compiler = new DefaultLessCompiler(); CompilationResult compilationResult = compiler.compile(lessSource, configuration); System.out.println(compilationResult.getCss()); System.out.println(compilationResult.getSourceMap()); }
/** * Compile the LESS code and get the included files from the skin templates. * @param lessCode code to compile * @param skin skin holding the templates * @param inlineSourceMap whether to create inline sourcemaps in the generated css * @return the results of the LESS compilation * @throws Less4jException if problems occur */ public String compile(String lessCode, String skin, boolean inlineSourceMap) throws Less4jException { LessCompiler lessCompiler = new DefaultLessCompiler(); LessCompiler.Configuration options = new LessCompiler.Configuration(); options.setCompressing(true); options.getSourceMapConfiguration().setInline(inlineSourceMap); options.getSourceMapConfiguration().setIncludeSourcesContent(true); LessSource lessSource = new CustomContentLESSSource(lessCode, templateManager, skinManager.getSkin(skin)); LessCompiler.CompilationResult lessResult = lessCompiler.compile(lessSource, options); return lessResult.getCss(); } }
@Override protected WebpipeOutput fetchOutput() throws Exception { synchronized (importedResources) { importedResources.clear(); Webpipe webpipe = getChildWebpipe(); String content = webpipe.getOutput().getContent(); StringSource lessSource; if (webpipe instanceof Resource) { lessSource = new RelativeAwareLessSource((Resource) webpipe, content); } else { lessSource = new StringSource(content, webpipe.getPath()); } CompilationResult result = compiler.compile(lessSource); logWarnings(result); return new WebpipeOutput(result.getCss(), WebpipeUtils.parseSourceMap(result.getSourceMap())); } }
private BytestreamCache invokeLessCompiler(Resource source, ResourceDependencies dependencies) throws IOException { try { LessSource lessSource = new ResourceLessSource(source, dependencies); LessCompiler.CompilationResult compilationResult = compile(compiler, lessSource); // Currently, ignoring any warnings. return new BytestreamCache(compilationResult.getCss().getBytes("utf-8")); } catch (Less4jException ex) { throw new IOException(ex); } catch (UnsupportedEncodingException ex) { throw new IOException(ex); } }
private BytestreamCache invokeLessCompiler(Resource source, ResourceDependencies dependencies) throws IOException { try { LessSource lessSource = new ResourceLessSource(source, dependencies); LessCompiler.CompilationResult compilationResult = compile(compiler, lessSource); // Currently, ignoring any warnings. return new BytestreamCache(compilationResult.getCss().getBytes("utf-8")); } catch (Less4jException ex) { throw new IOException(ex); } catch (UnsupportedEncodingException ex) { throw new IOException(ex); } }
@Override public void process(final Resource resource, final Reader reader, final Writer writer) throws IOException { try { final LessSource lessSource = new RelativeAwareLessSource(resource, IOUtils.toString(reader), locatorFactory); final CompilationResult result = compiler.compile(lessSource); logWarnings(result); writer.write(result.getCss()); } catch (final Less4jException e) { LOG.error("Failed to compile less resource: {}.", resource); for (final Problem problem : e.getErrors()) { LOG.error(problemAsString(problem)); } throw WroRuntimeException.wrap(e); } }
/** * Compile a less file. * @param source source to compile. * @return the compiled css result. * @throws CompileErrorException in case of compile error. */ @Override protected String compile(String source) throws CompileErrorException { try { return LessCompilerHelper.compiler.compile(source).getCss(); } catch (Less4jException lessException) { throw new CompileErrorException(lessException); } }
@Override public void process(final Resource resource, final Reader reader, final Writer writer) throws IOException { try { final LessSource lessSource = new RelativeAwareLessSource(resource, IOUtils.toString(reader), locatorFactory); final CompilationResult result = compiler.compile(lessSource); logWarnings(result); writer.write(result.getCss()); } catch (final Less4jException e) { LOG.error("Failed to compile less resource: {}.", resource); for (final Problem problem : e.getErrors()) { LOG.error(problemAsString(problem)); } throw WroRuntimeException.wrap(e); } }
@Override protected byte[] compile(final ICombinedLessResource lessFile) { final long start = System.currentTimeMillis(); ThreadUnsafeLessCompiler compiler = new ThreadUnsafeLessCompiler(); try { return compiler.compile(lessFile.asText()).getCss().getBytes(getCharset()); } catch (Less4jException e) { LOG.error("can't compile {}: {}", lessFile.getName(), new ErrorLogger(lessFile.getName(), e)); throw new WicketRuntimeException("can't compile " + lessFile.getName(), e); } finally { LOG.debug("duration of collect imports for {}: {} ms", lessFile.getName(), System.currentTimeMillis() - start); } } };
@Override protected void send(final Request req, final Response rsp, final Asset asset) throws Exception { LessSource.URLSource src = new LessSource.URLSource(asset.resource(), req.charset().name()); CompilationResult result = compiler.compile(src); result.getWarnings().forEach(warning -> log.warn(warning.toString())); if (req.path().endsWith(".map")) { rsp.type(MediaType.json) .send(Results.ok(result.getSourceMap())); } else { rsp.type(MediaType.css) .send(Results.ok(result.getCss())); } } }
public void printToFiles(CompilationResult content, String lessFileName, File rootLessFile, String cssFilename, String mapFilename) { if (content == null || content.getCss() == null) { reportCouldNotCompileTheFile(lessFileName); return; } outputFile(cssFilename, content.getCss()); if (mapFilename != null && content.getSourceMap() != null) outputFile(mapFilename, content.getSourceMap()); printWarnings(lessFileName, rootLessFile, content); }
private static void customFunctionExample() throws Less4jException { File inputLessFile = createFile("sampleInput.less", "div {\n" + " property: constant();\n" + "}"); Configuration configuration = new Configuration(); configuration.addCustomFunction(new ConstantFunction()); LessCompiler compiler = new DefaultLessCompiler(); CompilationResult compilationResult = compiler.compile(inputLessFile, configuration); System.out.println(compilationResult.getCss()); deleteFile(inputLessFile); }
private static void customCssLocationExample1() throws Less4jException { File inputLessFile = createFile("src/sampleInput.less", ".class { margin: 1 1 1 1; }"); File lessFile = new File("src/sampleInput.less").getAbsoluteFile(); File cssFile = new File("dist/sampleInput.css").getAbsoluteFile(); Configuration configuration = new Configuration(); configuration.setCssResultLocation(cssFile); LessCompiler compiler = new DefaultLessCompiler(); CompilationResult compilationResult = compiler.compile(lessFile, configuration); System.out.println(compilationResult.getCss()); System.out.println(compilationResult.getSourceMap()); deleteFile(inputLessFile); }
@Override public String compile(SourceFile sourceFile) { try { Configuration configuration = new Configuration(); configureSourceMap(configuration); return new ThreadUnsafeLessCompiler().compile(new PathSource(resources, sourceFile), configuration).getCss(); } catch (Less4jException e) { String message = cleanMessage(sourceFile, e.getMessage()); throw new CompilerException(message); } }
private static void basicFileExample() throws Less4jException { File inputLessFile = createFile("sampleInput.less", "* { margin: 1 1 1 1; }"); LessCompiler compiler = new ThreadUnsafeLessCompiler(); CompilationResult compilationResult = compiler.compile(inputLessFile); System.out.println(compilationResult.getCss()); for (Problem warning : compilationResult.getWarnings()) { System.err.println(format(warning)); } deleteFile(inputLessFile); }
private static void guessedCssLocationExample2() throws Less4jException { URI uri = (new File("src/sampleInput.less")).toURI(); StringSource lessSource = new StringSource(".class { margin: 1 1 1 1; }", "sampleInput.less", uri); LessCompiler compiler = new DefaultLessCompiler(); CompilationResult compilationResult = compiler.compile(lessSource); System.out.println(compilationResult.getCss()); System.out.println(compilationResult.getSourceMap()); }
private static void guessedCssLocationExample1() throws Less4jException { File inputLessFile = createFile("src/sampleInput.less", ".class { margin: 1 1 1 1; }"); File lessFile = new File("src/sampleInput.less").getAbsoluteFile(); LessCompiler compiler = new DefaultLessCompiler(); CompilationResult compilationResult = compiler.compile(lessFile); System.out.println(compilationResult.getCss()); System.out.println(compilationResult.getSourceMap()); deleteFile(inputLessFile); }