root/utils/abcasm/src/abcasm/Name.java

DEFINITIONS

1. toString
2. compareTo
3. getSingleQualifier

/* -*- Mode: Java; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4 -*- */
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package abcasm;

import static abcasm.AbcConstants.*;


class Name implements java.lang.Comparable
{
        int kind;
        String baseName;
        Nsset qualifiers;

        Name(String unqualifiedName)
        {
                baseName = unqualifiedName;
                kind = CONSTANT_Qname;
                qualifiers = new Nsset( new Namespace(CONSTANT_PackageNs));
        }
        
        Name(Nsset multiname_qualifiers, String baseName)
        {
                this.baseName = baseName;
                kind = CONSTANT_Multiname;
                qualifiers = multiname_qualifiers;
        }

        public String toString()
        {
                StringBuffer result = new StringBuffer();

                if ( qualifiers != null )
                {
                        result.append(qualifiers.toString());
                }
                result.append("::");
                result.append(baseName);

                return result.toString();
        }

        public int compareTo(Object o)
        {

                if ( !(o instanceof Name ))
                {
                        return -1;
                }

                int result = 0;

                Name other = (Name)o;

                if ( this.qualifiers != null )
                {
                        if ( other.qualifiers != null )
                        {
                                result =  this.qualifiers.compareTo(other.qualifiers);
                        }
                        else
                        {
                                result = 1;
                        }
                }
                else if ( other.qualifiers != null )
                {
                        result = -1;
                }

                if ( 0 == result )
                        result = baseName.compareTo(other.baseName);

                return result;
        }

        Namespace getSingleQualifier()
        {
                assert(this.qualifiers.namespaces.size() == 1);
                return this.qualifiers.namespaces.elementAt(0);
        }
}