private Element handleGeneralList()

in jspwiki-main/src/main/java/org/apache/wiki/parser/JSPWikiMarkupParser.java [1236:1324]
64 lines of code
17 McCabe index (conditional complexity)

    private Element handleGeneralList() throws IOException {
         startBlockLevel();
         String strBullets = readWhile( "*#" );
         // String strBulletsRaw = strBullets;      // to know what was original before phpwiki style substitution
         final int numBullets = strBullets.length();

         // override the beginning portion of bullet pattern to be like the previous to simulate PHPWiki style lists

        if( m_allowPHPWikiStyleLists ) {
            // only substitute if different
            if( !( strBullets.substring( 0, Math.min( numBullets, m_genlistlevel ) ).equals( m_genlistBulletBuffer.substring( 0, Math.min( numBullets, m_genlistlevel ) ) ) ) ) {
                if( numBullets <= m_genlistlevel ) {
                    // Substitute all but the last character (keep the expressed bullet preference)
                    strBullets = ( numBullets > 1 ? m_genlistBulletBuffer.substring( 0, numBullets - 1 ) : "" ) +
                                 strBullets.charAt( numBullets - 1 );
                } else {
                    strBullets = m_genlistBulletBuffer + strBullets.substring( m_genlistlevel, numBullets );
                }
            }
        }

         //  Check if this is still of the same type
        if( strBullets.substring( 0, Math.min( numBullets, m_genlistlevel ) ).equals( m_genlistBulletBuffer.substring( 0, Math.min( numBullets, m_genlistlevel ) ) ) ) {
            if( numBullets > m_genlistlevel ) {
                pushElement( new Element( getListType( strBullets.charAt( m_genlistlevel++ ) ) ) );
                for( ; m_genlistlevel < numBullets; m_genlistlevel++ ) {
                    // bullets are growing, get from new bullet list
                    pushElement( new Element( "li" ) );
                    pushElement( new Element( getListType( strBullets.charAt( m_genlistlevel ) ) ) );
                }
            } else if( numBullets < m_genlistlevel ) {
                //  Close the previous list item.
                popElement( "li" );
                for( ; m_genlistlevel > numBullets; m_genlistlevel-- ) {
                    // bullets are shrinking, get from old bullet list
                    popElement( getListType( m_genlistBulletBuffer.charAt( m_genlistlevel - 1 ) ) );
                    if( m_genlistlevel > 0 ) {
                        popElement( "li" );
                    }
                }
            } else {
                if( m_genlistlevel > 0 ) {
                    popElement( "li" );
                }
            }
        } else {
            //  The pattern has changed, unwind and restart
            int numEqualBullets;
            final int numCheckBullets;

            // find out how much is the same
            numEqualBullets = 0;
            numCheckBullets = Math.min( numBullets, m_genlistlevel );

            while( numEqualBullets < numCheckBullets ) {
                // if the bullets are equal so far, keep going
                if( strBullets.charAt( numEqualBullets ) == m_genlistBulletBuffer.charAt( numEqualBullets ) )
                    numEqualBullets++;
                    // otherwise giveup, we have found how many are equal
                else
                    break;
            }

            //unwind
            for( ; m_genlistlevel > numEqualBullets; m_genlistlevel-- ) {
                popElement( getListType( m_genlistBulletBuffer.charAt( m_genlistlevel - 1 ) ) );
                if( m_genlistlevel > numBullets ) {
                    popElement( "li" );
                }
            }

            //rewind
            pushElement( new Element( getListType( strBullets.charAt( numEqualBullets++ ) ) ) );
            for( int i = numEqualBullets; i < numBullets; i++ ) {
                pushElement( new Element( "li" ) );
                pushElement( new Element( getListType( strBullets.charAt( i ) ) ) );
            }
            m_genlistlevel = numBullets;
        }

         // Push a new list item, and eat away any extra whitespace
        pushElement( new Element( "li" ) );
        readWhile( " " );

        // work done, remember the new bullet list (in place of old one)
        m_genlistBulletBuffer.setLength( 0 );
        m_genlistBulletBuffer.append( strBullets );
        return m_currentElement;
    }