tohtmlstream.java

来自「Mobile 应用程序使用 Java Micro Edition (Java M」· Java 代码 · 共 1,824 行 · 第 1/5 页

        elemDesc = (ElemDesc) m_elementFlags.get("BLOCKQUOTE");
        elemDesc.setAttr("CITE", ElemDesc.ATTRURL);

        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("DEL");
        elemDesc.setAttr("CITE", ElemDesc.ATTRURL);
     
        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("DIR");
        elemDesc.setAttr("COMPACT", ElemDesc.ATTREMPTY);
           
        // ----------------------------------------------
        
        elemDesc = (ElemDesc) m_elementFlags.get("DIV");
        elemDesc.setAttr("SRC", ElemDesc.ATTRURL); // Netscape 4 extension
        elemDesc.setAttr("NOWRAP", ElemDesc.ATTREMPTY); // Internet-Explorer extension
   
        // ----------------------------------------------        
        elemDesc = (ElemDesc) m_elementFlags.get("DL");
        elemDesc.setAttr("COMPACT", ElemDesc.ATTREMPTY);
           
        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("FORM");
        elemDesc.setAttr("ACTION", ElemDesc.ATTRURL);

        // ----------------------------------------------
        // Attribution to: "Voytenko, Dimitry" <[e-mail]>
        elemDesc = (ElemDesc) m_elementFlags.get("FRAME");
        elemDesc.setAttr("SRC", ElemDesc.ATTRURL);
        elemDesc.setAttr("LONGDESC", ElemDesc.ATTRURL);
        elemDesc.setAttr("NORESIZE",ElemDesc.ATTREMPTY);

        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("HEAD");
        elemDesc.setAttr("PROFILE", ElemDesc.ATTRURL);

        // ----------------------------------------------        
        elemDesc = (ElemDesc) m_elementFlags.get("HR");
        elemDesc.setAttr("NOSHADE", ElemDesc.ATTREMPTY);
        
        // ----------------------------------------------
        // HTML 4.0, section 16.5
        elemDesc = (ElemDesc) m_elementFlags.get("IFRAME");
        elemDesc.setAttr("SRC", ElemDesc.ATTRURL);
        elemDesc.setAttr("LONGDESC", ElemDesc.ATTRURL);

        // ----------------------------------------------
        // Netscape 4 extension
        elemDesc = (ElemDesc) m_elementFlags.get("ILAYER");
        elemDesc.setAttr("SRC", ElemDesc.ATTRURL);

        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("IMG");
        elemDesc.setAttr("SRC", ElemDesc.ATTRURL);
        elemDesc.setAttr("LONGDESC", ElemDesc.ATTRURL);
        elemDesc.setAttr("USEMAP", ElemDesc.ATTRURL);
        elemDesc.setAttr("ISMAP", ElemDesc.ATTREMPTY);

        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("INPUT");
        elemDesc.setAttr("SRC", ElemDesc.ATTRURL);
        elemDesc.setAttr("USEMAP", ElemDesc.ATTRURL);
        elemDesc.setAttr("CHECKED", ElemDesc.ATTREMPTY);
        elemDesc.setAttr("DISABLED", ElemDesc.ATTREMPTY);
        elemDesc.setAttr("ISMAP", ElemDesc.ATTREMPTY);
        elemDesc.setAttr("READONLY", ElemDesc.ATTREMPTY);
        
        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("INS");
        elemDesc.setAttr("CITE", ElemDesc.ATTRURL);

        // ----------------------------------------------
        // Netscape 4 extension
        elemDesc = (ElemDesc) m_elementFlags.get("LAYER");
        elemDesc.setAttr("SRC", ElemDesc.ATTRURL);

        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("LINK");
        elemDesc.setAttr("HREF", ElemDesc.ATTRURL);
       
        // ----------------------------------------------       
        elemDesc = (ElemDesc) m_elementFlags.get("MENU");
        elemDesc.setAttr("COMPACT", ElemDesc.ATTREMPTY);
        
        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("OBJECT");
        elemDesc.setAttr("CLASSID", ElemDesc.ATTRURL);
        elemDesc.setAttr("CODEBASE", ElemDesc.ATTRURL);
        elemDesc.setAttr("DATA", ElemDesc.ATTRURL);
        elemDesc.setAttr("ARCHIVE", ElemDesc.ATTRURL);
        elemDesc.setAttr("USEMAP", ElemDesc.ATTRURL);
        elemDesc.setAttr("DECLARE", ElemDesc.ATTREMPTY);
        
        // ----------------------------------------------        
        elemDesc = (ElemDesc) m_elementFlags.get("OL");
        elemDesc.setAttr("COMPACT", ElemDesc.ATTREMPTY);
        
        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("OPTGROUP");
        elemDesc.setAttr("DISABLED", ElemDesc.ATTREMPTY);

        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("OPTION");
        elemDesc.setAttr("SELECTED", ElemDesc.ATTREMPTY);
        elemDesc.setAttr("DISABLED", ElemDesc.ATTREMPTY);
        
        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("Q");
        elemDesc.setAttr("CITE", ElemDesc.ATTRURL);

        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("SCRIPT");
        elemDesc.setAttr("SRC", ElemDesc.ATTRURL);
        elemDesc.setAttr("FOR", ElemDesc.ATTRURL);
        elemDesc.setAttr("DEFER", ElemDesc.ATTREMPTY);

        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("SELECT");
        elemDesc.setAttr("DISABLED", ElemDesc.ATTREMPTY);
        elemDesc.setAttr("MULTIPLE", ElemDesc.ATTREMPTY);

        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("TABLE");
        elemDesc.setAttr("NOWRAP", ElemDesc.ATTREMPTY); // Internet-Explorer extension
        
        // ----------------------------------------------        
        elemDesc = (ElemDesc) m_elementFlags.get("TD");
        elemDesc.setAttr("NOWRAP", ElemDesc.ATTREMPTY);

        // ----------------------------------------------
        elemDesc = (ElemDesc) m_elementFlags.get("TEXTAREA");
        elemDesc.setAttr("DISABLED", ElemDesc.ATTREMPTY);
        elemDesc.setAttr("READONLY", ElemDesc.ATTREMPTY);
       
        // ----------------------------------------------                
        elemDesc = (ElemDesc) m_elementFlags.get("TH");
        elemDesc.setAttr("NOWRAP", ElemDesc.ATTREMPTY);
        
        // ----------------------------------------------
        // The nowrap attribute of a tr element is both
        // a Netscape and Internet-Explorer extension                
        elemDesc = (ElemDesc) m_elementFlags.get("TR");
        elemDesc.setAttr("NOWRAP", ElemDesc.ATTREMPTY);
        
        // ----------------------------------------------        
        elemDesc = (ElemDesc) m_elementFlags.get("UL");
        elemDesc.setAttr("COMPACT", ElemDesc.ATTREMPTY);
    }

    /**
     * Dummy element for elements not found.
     */
    static private final ElemDesc m_dummy = new ElemDesc(0 | ElemDesc.BLOCK);

    /** True if URLs should be specially escaped with the %xx form. */
    private boolean m_specialEscapeURLs = true;

    /** True if the META tag should be omitted. */
    private boolean m_omitMetaTag = false;

    /**
     * Tells if the formatter should use special URL escaping.
     *
     * @param bool True if URLs should be specially escaped with the %xx form.
     */
    public void setSpecialEscapeURLs(boolean bool)
    {
        m_specialEscapeURLs = bool;
    }

    /**
     * Tells if the formatter should omit the META tag.
     *
     * @param bool True if the META tag should be omitted.
     */
    public void setOmitMetaTag(boolean bool)
    {
        m_omitMetaTag = bool;
    }

    /**
     * Specifies an output format for this serializer. It the
     * serializer has already been associated with an output format,
     * it will switch to the new format. This method should not be
     * called while the serializer is in the process of serializing
     * a document.
     * 
     * This method can be called multiple times before starting
     * the serialization of a particular result-tree. In principle
     * all serialization parameters can be changed, with the exception
     * of method="html" (it must be method="html" otherwise we
     * shouldn't even have a ToHTMLStream object here!) 
     *
     * @param format The output format or serialzation parameters
     * to use.
     */
    public void setOutputFormat(Properties format)
    {
 
        m_specialEscapeURLs =
            OutputPropertyUtils.getBooleanProperty(
                OutputPropertiesFactory.S_USE_URL_ESCAPING,
                format);

        m_omitMetaTag =
            OutputPropertyUtils.getBooleanProperty(
                OutputPropertiesFactory.S_OMIT_META_TAG,
                format);

        super.setOutputFormat(format);
    }

    /**
     * Tells if the formatter should use special URL escaping.
     *
     * @return True if URLs should be specially escaped with the %xx form.
     */
    private final boolean getSpecialEscapeURLs()
    {
        return m_specialEscapeURLs;
    }

    /**
     * Tells if the formatter should omit the META tag.
     *
     * @return True if the META tag should be omitted.
     */
    private final boolean getOmitMetaTag()
    {
        return m_omitMetaTag;
    }

    /**
     * Get a description of the given element.
     *
     * @param name non-null name of element, case insensitive.
     *
     * @return non-null reference to ElemDesc, which may be m_dummy if no 
     *         element description matches the given name.
     */
    public static final ElemDesc getElemDesc(String name)
    {
        /* this method used to return m_dummy  when name was null
         * but now it doesn't check and and requires non-null name.
         */
        Object obj = m_elementFlags.get(name);
        if (null != obj)
            return (ElemDesc)obj;
        return m_dummy;
    }
    
    /**
     * A Trie that is just a copy of the "static" one.
     * We need this one to be able to use the faster, but not thread-safe
     * method Trie.get2(name)
     */
    private Trie m_htmlInfo = new Trie(m_elementFlags);
    /**
     * Calls to this method could be replaced with calls to
     * getElemDesc(name), but this one should be faster.
     */
    private ElemDesc getElemDesc2(String name)
    {
        Object obj = m_htmlInfo.get2(name);
        if (null != obj)
            return (ElemDesc)obj;
        return m_dummy;
    }

    /**
     * Default constructor.
     */
    public ToHTMLStream()
    {

        super();
        m_charInfo = m_htmlcharInfo;
        // initialize namespaces
        m_prefixMap = new NamespaceMappings();

    }

    /** The name of the current element. */
//    private String m_currentElementName = null;

    /**
     * Receive notification of the beginning of a document.
     *
     * @throws org.xml.sax.SAXException Any SAX exception, possibly
     *            wrapping another exception.
     *
     * @throws org.xml.sax.SAXException
     */
    protected void startDocumentInternal() throws org.xml.sax.SAXException
    {
        super.startDocumentInternal();

        m_needToCallStartDocument = false; 
        m_needToOutputDocTypeDecl = true;
        m_startNewLine = false;
        setOmitXMLDeclaration(true);

        if (true == m_needToOutputDocTypeDecl)
        {
            String doctypeSystem = getDoctypeSystem();
            String doctypePublic = getDoctypePublic();
            if ((null != doctypeSystem) || (null != doctypePublic))
            {
                final java.io.Writer writer = m_writer;
                try
                {
                writer.write("<!DOCTYPE html");

                if (null != doctypePublic)
                {
                    writer.write(" PUBLIC \"");
                    writer.write(doctypePublic);
                    writer.write('"');
                }

                if (null != doctypeSystem)
                {
                    if (null == doctypePublic)
                        writer.write(" SYSTEM \"");
                    else
                        writer.write(" \"");

                    writer.write(doctypeSystem);
                    writer.write('"');
                }

                writer.write('>');
                outputLineSep();
                }
                catch(IOException e)
                {
                    throw new SAXException(e);
                }
            }
        }

        m_needToOutputDocTypeDecl = false;
    }

    /**
     * Receive notification of the end of a document. 
     *
     * @throws org.xml.sax.SAXException Any SAX exception, possibly
     *            wrapping another exception.
     *
     * @throws org.xml.sax.SAXException
     */
    public final void endDocument() throws org.xml.sax.SAXException
    {
        
        flushPending();
        if (m_doIndent && !m_isprevtext)
        {
            try
            {
            outputLineSep();
            }
            catch(IOException e)
            {
                throw new SAXException(e);