private Element handleOpenbracket()

in jspwiki-main/src/main/java/org/apache/wiki/parser/JSPWikiMarkupParser.java [1347:1410]
53 lines of code
17 McCabe index (conditional complexity)

    private Element handleOpenbracket() throws IOException {
        final StringBuilder sb = new StringBuilder( 40 );
        final int pos = getPosition();
        int ch = nextToken();
        boolean isPlugin = false;
        if( ch == '[' ) {
            if( m_wysiwygEditorMode ) {
                sb.append( '[' );
            }
            sb.append( ( char )ch );
            while( ( ch = nextToken() ) == '[' ) {
                sb.append( ( char )ch );
            }
        }

        if( ch == '{' ) {
            isPlugin = true;
        }

        pushBack( ch );

        if( sb.length() > 0 ) {
            m_plainTextBuf.append( sb );
            return m_currentElement;
        }

        //  Find end of hyperlink
        ch = nextToken();
        int nesting = 1; // Check for nested plugins
        while( ch != -1 ) {
            final int ch2 = nextToken();
            pushBack( ch2 );
            if( isPlugin ) {
                if( ch == '[' && ch2 == '{' ) {
                    nesting++;
                } else if( nesting == 0 && ch == ']' && sb.charAt(sb.length()-1) == '}' ) {
                    break;
                } else if( ch == '}' && ch2 == ']' ) {
                    // NB: This will be decremented once at the end
                    nesting--;
                }
            } else {
                if( ch == ']' ) {
                    break;
                }
            }

            sb.append( (char) ch );

            ch = nextToken();
        }

        //  If the link is never finished, do some tricks to display the rest of the line unchanged.
        if( ch == -1 ) {
            LOG.debug( "Warning: unterminated link detected!" );
            m_isEscaping = true;
            m_plainTextBuf.append( sb );
            flushPlainText();
            m_isEscaping = false;
            return m_currentElement;
        }

        return handleHyperlinks( sb.toString(), pos );
    }