Examples of com.google.caja.lexer.CssLexer

com.google.caja.lexer.CssLexer
3.org/TR/CSS21/grammar.html#scanner">CSS 2.1 Grammar plus line comments as interpreted by most browsers.
TODO(mikesamuel): CSS2.1 has changed lexical conventions to effectively decode escapes at lex time in most contexts. E.g., the rule "@import" IMPORT_SYM now reads @{I}{M}{P}{O}{R}{T} {return IMPORT_SYM;} and {num}ms TIME now reads {num}{M}{S} {return TIME;}. @author mikesamuel@gmail.com


  List<Object> parseImpl(String content) throws GadgetException {
    List<Object> parsedCss = Lists.newArrayList();
    CharProducer producer = CharProducer.Factory.create(new StringReader(content),
        new InputSource(DUMMY_SOURCE));
    CssLexer lexer = new CssLexer(producer);
    try {
      StringBuilder builder = new StringBuilder();
      boolean inImport = false;
      while (lexer.hasNext()) {
        Token<CssTokenType> token = lexer.next();
        if (token.type == CssTokenType.SYMBOL && token.text.equalsIgnoreCase("@import")) {
          parsedCss.add(builder.toString());
          builder.setLength(0);
          inImport = true;
        } else if (inImport) {

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      // Try and lex and see what happens.
      CharProducer cp = CharProducer.Factory.fromString(
          code, FilePosition.UNKNOWN);
      boolean sawColon = false;
      try {
        CssLexer cssLexer = new CssLexer(
            cp, DevNullMessageQueue.singleton(), false);
        contentType = ContentType.CSS;
        while (cssLexer.hasNext()) {
          Token<CssTokenType> t = cssLexer.next();
          if ("if".equals(t.text) || "while".equals(t.text)
              || "for".equals(t.text) || "return".equals(t.text)
              || "?".equals(t.text)) {
            contentType = ContentType.JS;
            break;

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  private final boolean isTolerant;


  public static TokenQueue<CssTokenType> makeTokenQueue(
      CharProducer cp, MessageQueue mq, boolean allowSubstitutions) {
    return new TokenQueue<CssTokenType>(
        new CssLexer(cp, mq, allowSubstitutions),
        cp.getCurrentPosition().source(),
        new Criterion<Token<CssTokenType>>() {
          public boolean accept(Token<CssTokenType> t) {
            // Other ignorables are handled in skipTopLevelIgnorables below.
            return CssTokenType.SPACE != t.type

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