Method parseQuotedChars

java/org/apache/jasper/compiler/ELParser.java:355–382

(char quote)

     * Parse a string in single or double quotes, allowing for escape sequences '\\', '\"' and "\'"
     */
    private Token parseQuotedChars(char quote) {
        StringBuilder buf = new StringBuilder();
        buf.append(quote);
        boolean foundQuote = false;
        while (hasNextChar()) {
            char ch = nextChar();
            if (ch == '\\') {
                ch = nextChar();
                if (ch == '\\' || ch == '\'' || ch == '\"') {
                    buf.append(ch);
                } else {
                    throw new IllegalArgumentException(
                            Localizer.getMessage("org.apache.jasper.compiler.ELParser.invalidQuoting", expression));
                }
            } else if (ch == quote) {
                foundQuote = true;
                buf.append(ch);
                break;
            } else {
                buf.append(ch);
            }
        }
        if (!foundQuote) {
            throw new IllegalArgumentException(
                    Localizer.getMessage("org.apache.jasper.compiler.ELParser.missingQuote", expression));
        }
        return new QuotedString(getAndResetWhiteSpace(), buf.toString());
    }

    /*
     * A collection of low level parse methods dealing with character in the EL expression buffer.