jspwikimarkupparser.java

jspwiki source code,jspwiki source code

                    {
                        makeLink( EDIT, linkref, linktext, null, link.getAttributes() );
                    }
                }
                else
                {
                    // It's an internal Wiki link
                    linkref = MarkupParser.cleanLink( linkref );

                    callMutatorChain( m_localLinkMutatorChain, linkref );

                    String matchedLink = linkExists( linkref );

                    if( matchedLink != null )
                    {
                        makeLink( READ, matchedLink, linktext, null, link.getAttributes() );
                    }
                    else
                    {
                        makeLink( EDIT, linkref, linktext, null, link.getAttributes() );
                    }
                }
            }
        }
        catch( ParseException e )
        {
            log.info("Parser failure: ",e);
            Object[] args = { e.getMessage() };
            addElement( makeError( MessageFormat.format( rb.getString( "markupparser.error.parserfailure" ), args ) ) );
        }

        return m_currentElement;
    }

    private String findAttachment( String linktext )
    {
        AttachmentManager mgr = m_engine.getAttachmentManager();
        Attachment att = null;

        try
        {
            att = mgr.getAttachmentInfo( m_context, linktext );
        }
        catch( ProviderException e )
        {
            log.warn("Finding attachments failed: ",e);
            return null;
        }

        if( att != null )
        {
            return att.getName();
        }
        else if( linktext.indexOf('/') != -1 )
        {
            return linktext;
        }

        return null;
    }

    /**
     *  Pushes back any string that has been read.  It will obviously
     *  be pushed back in a reverse order.
     *
     *  @since 2.1.77
     */
    private void pushBack( String s )
        throws IOException
    {
        for( int i = s.length()-1; i >= 0; i-- )
        {
            pushBack( s.charAt(i) );
        }
    }

    private Element handleBackslash()
        throws IOException
    {
        int ch = nextToken();

        if( ch == '\\' )
        {
            int ch2 = nextToken();

            if( ch2 == '\\' )
            {
                pushElement( new Element("br").setAttribute("clear","all"));
                return popElement("br");
            }

            pushBack( ch2 );

            pushElement( new Element("br") );
            return popElement("br");
        }

        pushBack( ch );

        return null;
    }

    private Element handleUnderscore()
        throws IOException
    {
        int ch = nextToken();
        Element el = null;

        if( ch == '_' )
        {
            if( m_isbold )
            {
                el = popElement("b");
            }
            else
            {
                el = pushElement( new Element("b") );
            }
            m_isbold = !m_isbold;
        }
        else
        {
            pushBack( ch );
        }

        return el;
    }


    /**
     *  For example: italics.
     */
    private Element handleApostrophe()
        throws IOException
    {
        int ch = nextToken();
        Element el = null;

        if( ch == '\'' )
        {
            if( m_isitalic )
            {
                el = popElement("i");
            }
            else
            {
                el = pushElement( new Element("i") );
            }
            m_isitalic = !m_isitalic;
        }
        else
        {
            pushBack( ch );
        }

        return el;
    }

    private Element handleOpenbrace( boolean isBlock )
        throws IOException
    {
        int ch = nextToken();

        if( ch == '{' )
        {
            int ch2 = nextToken();

            if( ch2 == '{' )
            {
                m_isPre = true;
                m_isEscaping = true;
                m_isPreBlock = isBlock;

                if( isBlock )
                {
                    startBlockLevel();
                    return pushElement( new Element("pre") );
                }

                return pushElement( new Element("span").setAttribute("style","font-family:monospace; white-space:pre;") );
            }

            pushBack( ch2 );

            return pushElement( new Element("tt") );
        }

        pushBack( ch );

        return null;
    }

    /**
     *  Handles both }} and }}}
     */
    private Element handleClosebrace()
        throws IOException
    {
        int ch2 = nextToken();

        if( ch2 == '}' )
        {
            int ch3 = nextToken();

            if( ch3 == '}' )
            {
                if( m_isPre )
                {
                    if( m_isPreBlock )
                    {
                        popElement( "pre" );
                    }
                    else
                    {
                        popElement( "span" );
                    }

                    m_isPre = false;
                    m_isEscaping = false;
                    return m_currentElement;
                }

                m_plainTextBuf.append("}}}");
                return m_currentElement;
            }

            pushBack( ch3 );

            if( !m_isEscaping )
            {
                return popElement("tt");
            }
        }

        pushBack( ch2 );

        return null;
    }

    private Element handleDash()
        throws IOException
    {
        int ch = nextToken();

        if( ch == '-' )
        {
            int ch2 = nextToken();

            if( ch2 == '-' )
            {
                int ch3 = nextToken();

                if( ch3 == '-' )
                {
                    // Empty away all the rest of the dashes.
                    // Do not forget to return the first non-match back.
                    while( (ch = nextToken()) == '-' );

                    pushBack(ch);
                    startBlockLevel();
                    pushElement( new Element("hr") );
                    return popElement( "hr" );
                }

                pushBack( ch3 );
            }
            pushBack( ch2 );
        }

        pushBack( ch );

        return null;
    }

    private Element handleHeading()
        throws IOException
    {
        Element el = null;

        int ch  = nextToken();

        Heading hd = new Heading();

        if( ch == '!' )
        {
            int ch2 = nextToken();

            if( ch2 == '!' )
            {
                String title = peekAheadLine();

                el = makeHeading( Heading.HEADING_LARGE, title, hd);
            }
            else
            {
                pushBack( ch2 );
                String title = peekAheadLine();
                el = makeHeading( Heading.HEADING_MEDIUM, title, hd );
            }
        }
        else
        {
            pushBack( ch );
            String title = peekAheadLine();
            el = makeHeading( Heading.HEADING_SMALL, title, hd );
        }

        callHeadingListenerChain( hd );

        m_lastHeading = hd;
        
        if( el != null ) pushElement(el);

        return el;
    }

    /**
     *  Reads the stream until the next EOL or EOF.  Note that it will also read the
     *  EOL from the stream.
     */
    private StringBuilder readUntilEOL()
        throws IOException
    {
        int ch;
        StringBuilder buf = new StringBuilder( 256 );

        while( true )
        {
            ch = nextToken();

            if( ch == -1 )
                break;

            buf.append( (char) ch );

            if( ch == '\n' )
                break;
        }
        return buf;
    }

    /** Controls whether italic is restarted after a paragraph shift */

    private boolean m_restartitalic = false;
    private boolean m_restartbold   = false;

    private boolean m_newLine;

    /**
     *  Starts a block level element, therefore closing
     *  a potential open paragraph tag.
     */
    private void startBlockLevel()
    {
        // These may not continue over block level limits in XHTML

        popElement("i");
        popElement("b");
        popElement("tt");

        if( m_isOpenParagraph )
        {
            m_isOpenParagraph = false;
            popElement("p");
            m_plainTextBuf.append("\n"); // Just small beautification
        }

        m_restartitalic = m_isitalic;
        m_restartbold   = m_isbold;

        m_isitalic = false;
        m_isbold   = false;
    }

    private static String getListType( char c )
    {
        if( c == '*' )
        {
            return "ul";
        }
        else if( c == '#' )
        {
            return "ol";
        }
        throw new InternalWikiException("Parser got faulty list type: "+c);
    }
    /**
     *  Like original handleOrderedList() and handleUnorderedList()
     *  however handles both ordered ('#') and unordered ('*') mixed together.
     */

    // FIXME: Refactor this; it's a bit messy.

    private Element handleGeneralList()
        throws IOException
    {
         startBlockLevel();

         String strBullets = readWhile( "*#" );
         // String strBulletsRaw = strBullets;      // to know what was original before phpwiki style substitution
         int numBullets = strBullets.length();