public AttributeDescr attribute()

in drools-drl/drools-drl-parser/src/main/java/org/drools/drl/parser/lang/DRL5Parser.java [1321:1424]
104 lines of code
40 McCabe index (conditional complexity)

    public AttributeDescr attribute( AttributeSupportBuilder< ? > as ) {
        AttributeDescr attribute = null;
        try {
            if ( state.backtracking == 0 && input.LA( 1 ) != DRL5Lexer.EOF ) {
                helper.emit( Location.LOCATION_RULE_HEADER_KEYWORD );
            }
            if ( helper.validateIdentifierKey( DroolsSoftKeywords.SALIENCE ) ) {
                attribute = salience( as );
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.ENABLED ) ) {
                attribute = enabled( as );
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.NO ) &&
                        helper.validateLT( 2,
                                           "-" ) &&
                        helper.validateLT( 3,
                                           DroolsSoftKeywords.LOOP ) ) {
                attribute = booleanAttribute( as,
                                              new String[]{DroolsSoftKeywords.NO, "-", DroolsSoftKeywords.LOOP} );
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.AUTO ) &&
                        helper.validateLT( 2,
                                           "-" ) &&
                        helper.validateLT( 3,
                                           DroolsSoftKeywords.FOCUS ) ) {
                attribute = booleanAttribute( as,
                                              new String[]{DroolsSoftKeywords.AUTO, "-", DroolsSoftKeywords.FOCUS} );
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.LOCK ) &&
                        helper.validateLT( 2,
                                           "-" ) &&
                        helper.validateLT( 3,
                                           DroolsSoftKeywords.ON ) &&
                        helper.validateLT( 4,
                                           "-" ) &&
                        helper.validateLT( 5,
                                           DroolsSoftKeywords.ACTIVE ) ) {
                attribute = booleanAttribute( as,
                                              new String[]{DroolsSoftKeywords.LOCK, "-", DroolsSoftKeywords.ON, "-", DroolsSoftKeywords.ACTIVE} );
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.REFRACT ) ) {
                attribute = booleanAttribute( as,
                                              new String[]{ DroolsSoftKeywords.REFRACT } );
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.AGENDA ) &&
                        helper.validateLT( 2,
                                           "-" ) &&
                        helper.validateLT( 3,
                                           DroolsSoftKeywords.GROUP ) ) {
                attribute = stringAttribute( as,
                                             new String[]{DroolsSoftKeywords.AGENDA, "-", DroolsSoftKeywords.GROUP} );
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.ACTIVATION ) &&
                        helper.validateLT( 2,
                                           "-" ) &&
                        helper.validateLT( 3,
                                           DroolsSoftKeywords.GROUP ) ) {
                attribute = stringAttribute( as,
                                             new String[]{DroolsSoftKeywords.ACTIVATION, "-", DroolsSoftKeywords.GROUP} );
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.RULEFLOW ) &&
                        helper.validateLT( 2,
                                           "-" ) &&
                        helper.validateLT( 3,
                                           DroolsSoftKeywords.GROUP ) ) {
                attribute = stringAttribute( as,
                                             new String[]{DroolsSoftKeywords.RULEFLOW, "-", DroolsSoftKeywords.GROUP} );
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.DATE ) &&
                        helper.validateLT( 2,
                                           "-" ) &&
                        helper.validateLT( 3,
                                           DroolsSoftKeywords.EFFECTIVE ) ) {
                attribute = stringAttribute( as,
                                             new String[]{DroolsSoftKeywords.DATE, "-", DroolsSoftKeywords.EFFECTIVE} );
                if (attribute != null) {
                    attribute.setType( AttributeDescr.Type.DATE );
                } else {
                    throw new RecognitionException();
                }
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.DATE ) &&
                        helper.validateLT( 2,
                                           "-" ) &&
                        helper.validateLT( 3,
                                           DroolsSoftKeywords.EXPIRES ) ) {
                attribute = stringAttribute( as,
                                             new String[]{DroolsSoftKeywords.DATE, "-", DroolsSoftKeywords.EXPIRES} );
                if (attribute != null) {
                    attribute.setType( AttributeDescr.Type.DATE );
                } else {
                    throw new RecognitionException();
                }
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.DIALECT ) ) {
                attribute = stringAttribute( as,
                                             new String[]{DroolsSoftKeywords.DIALECT} );
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.CALENDARS ) ) {
                attribute = stringListAttribute( as,
                                                 new String[]{DroolsSoftKeywords.CALENDARS} );
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.TIMER ) ) {
                attribute = intOrChunkAttribute( as,
                                                 new String[]{DroolsSoftKeywords.TIMER} );
            } else if ( helper.validateIdentifierKey( DroolsSoftKeywords.DURATION ) ) {
                attribute = intOrChunkAttribute( as,
                                                 new String[]{DroolsSoftKeywords.DURATION} );
            }
            if ( state.backtracking == 0 ) {
                helper.emit( Location.LOCATION_RULE_HEADER );
            }
        } catch ( RecognitionException re ) {
            reportError( re );
        }
        return attribute;
    }