Example usage for com.google.common.css.compiler.ast GssParser GssParser

Introduction

In this page you can find the example usage for com.google.common.css.compiler.ast GssParser GssParser.

Prototype

public GssParser(SourceCode source) 

Source Link

Usage

From source file:com.google.gwt.resources.converter.GssGenerationVisitor.java

@Override
public boolean visit(CssProperty x, Context ctx) {
    maybePrintOpenBrace();//  w ww  . j  av a 2  s  . c  om

    StringBuilder propertyBuilder = new StringBuilder();

    if (noFlip) {
        propertyBuilder.append(NO_FLIP);
        propertyBuilder.append(' ');
    }

    propertyBuilder.append(x.getName());
    propertyBuilder.append(": ");

    propertyBuilder.append(printValuesList(x.getValues().getValues()));

    if (x.isImportant()) {
        propertyBuilder.append(IMPORTANT);
    }

    String cssProperty = propertyBuilder.toString();

    if (lenient) {
        // lenient mode: Try to parse the css rule and if an error occurs,
        // print a warning message and don't print the rule.
        try {
            new GssParser(new SourceCode(null, "body{" + cssProperty + "}")).parse();
        } catch (GssParserException e) {
            System.err
                    .println("[WARN] The following property is not valid and will be skipped: " + cssProperty);
            return false;
        }
    }

    out.print(cssProperty);

    semiColon();

    return true;
}

---

From source file:com.log4ic.compressor.utils.Compressor.java

public static String parseGss(JobDescription job) throws GssParserException {
    logger.debug("?GSS...");
    try {//from  w w  w  .  j av a2 s. c  om
        GssParser parser = new GssParser(job.inputs);
        CssTree cssTree = parser.parse();
        CompilerErrorManager errorManager = new CompilerErrorManager();
        PassRunner passRunner = new ExtendedPassRunner(job, errorManager);
        passRunner.runPasses(cssTree);
        PrettyPrinter prettyPrinterPass = new PrettyPrinter(cssTree.getVisitController());
        prettyPrinterPass.runPass();
        return prettyPrinterPass.getPrettyPrintedString();
    } finally {
        logger.debug("?GSS...");
    }
}

---

From source file:com.log4ic.compressor.utils.Compressor.java

/**
 * css/*ww  w .  j  a va  2 s.  c o  m*/
 *
 * @param job
 * @return
 * @throws GssParserException
 */
public static String compressGss(JobDescription job) throws GssParserException {
    logger.debug("CSS...");
    try {
        GssParser parser = new GssParser(job.inputs);
        CssTree cssTree = parser.parse();
        if (job.outputFormat != JobDescription.OutputFormat.DEBUG) {
            CompilerErrorManager errorManager = new CompilerErrorManager();
            PassRunner passRunner = new ExtendedPassRunner(job, errorManager);
            passRunner.runPasses(cssTree);
        }

        if (job.outputFormat == JobDescription.OutputFormat.COMPRESSED) {
            CompactPrinter compactPrinterPass = new CompactPrinter(cssTree);
            compactPrinterPass.runPass();
            return compactPrinterPass.getCompactPrintedString();
        } else {
            PrettyPrinter prettyPrinterPass = new PrettyPrinter(cssTree.getVisitController());
            prettyPrinterPass.runPass();
            return prettyPrinterPass.getPrettyPrintedString();
        }
    } finally {
        logger.debug("CSS...");
    }
}

---

From source file:com.google.gwt.resources.rg.GssResourceGenerator.java

private ExtendedCssTree parseResources(List<URL> resources, TreeLogger logger)
        throws UnableToCompleteException {
    List<SourceCode> sourceCodes = new ArrayList<SourceCode>(resources.size());

    // assert that we only support either gss or css on one resource.
    boolean css = ensureEitherCssOrGss(resources, logger);

    if (css && !allowLegacy) {
        // TODO(dankurka): add link explaining the situation in detail.
        logger.log(Type.ERROR,/*from  w  ww.  j  a v  a 2s  .co m*/
                "Your ClientBundle is referencing css files instead of gss. "
                        + "You will need to either convert these files to gss using the "
                        + "converter tool or turn on auto convertion in your gwt.xml file. "
                        + "Note: Autoconversion will be removed after 2.7, you will need to move to gss."
                        + "Add this line to your gwt.xml file to temporary avoid this:"
                        + "<set-configuration-property name=\"CssResource.legacy\" value=\"true\" />");
        throw new UnableToCompleteException();
    }

    if (css) {
        String concatenatedCss = concatCssFiles(resources, logger);
        String gss = convertToGss(concatenatedCss, logger);
        sourceCodes.add(new SourceCode("[auto-converted gss files]", gss));
    } else {
        for (URL stylesheet : resources) {
            TreeLogger branchLogger = logger.branch(TreeLogger.DEBUG,
                    "Parsing GSS stylesheet " + stylesheet.toExternalForm());
            try {
                // TODO : always use UTF-8 to read the file ?
                String fileContent = Resources.asByteSource(stylesheet).asCharSource(Charsets.UTF_8).read();
                sourceCodes.add(new SourceCode(stylesheet.getFile(), fileContent));
                continue;

            } catch (IOException e) {
                branchLogger.log(TreeLogger.ERROR, "Unable to parse CSS", e);
            }
            throw new UnableToCompleteException();

        }
    }

    CssTree tree;

    try {
        tree = new GssParser(sourceCodes).parse();
    } catch (GssParserException e) {
        logger.log(TreeLogger.ERROR, "Unable to parse CSS", e);
        throw new UnableToCompleteException();
    }

    List<String> permutationAxes = finalizeTree(tree);

    checkErrors();

    return new ExtendedCssTree(tree, permutationAxes);
}

---