package org.yamcs.xtce;

/**
 * For common encodings of string data
 * @author mache
 *
 */
public class StringDataEncoding extends DataEncoding {
    private static final long serialVersionUID = 200805131551L;
    public enum SizeType {Fixed, TerminationChar, LeadingSize};
    private SizeType sizeType;
    private byte terminationChar=0;
    int sizeInBitsOfSizeTag=16;
    
    public StringDataEncoding() {
        super(-1);
    }
    
    
    public StringDataEncoding(String name, SizeType sizeType) {
        super(-1);
        this.sizeType=sizeType;
    }
    public void setSizeType(SizeType sizeType) {
        this.sizeType = sizeType;
    }
    public SizeType getSizeType() {
        return sizeType;
    }

    public int getSizeInBitsOfSizeTag(){
        return sizeInBitsOfSizeTag;
    }

    public void setSizeInBitsOfSizeTag(int sizeInBits){
        this.sizeInBitsOfSizeTag=sizeInBits;
    }

    public byte getTerminationChar() {
        return terminationChar;
    }

    public void setTerminationChar(byte tc) {
        this.terminationChar = tc;
    }


    @Override
    public String toString() {
        StringBuffer sb = new StringBuffer();
        sb.append("StringDataEncoding size: ");        
        sb.append(getSizeType()).append("(");
        switch(sizeType) {
        case Fixed:
            sb.append("fixedSizeInBits="+getSizeInBits());
            break;
        case LeadingSize:
            sb.append("sizeInBitsOfSizeTag="+sizeInBitsOfSizeTag);
            if(getSizeInBits()!=-1) {
                sb.append(", minSizeInBits="+getSizeInBits());
            }
            break;
        case TerminationChar:
            sb.append("terminationChar="+terminationChar);
            if(getSizeInBits()!=-1) {
                sb.append(", minSizeInBits="+getSizeInBits());
            }
            break;
        }
        sb.append(")");
        return sb.toString();
    }

    @Override
    public Object parseString(String stringValue) {
        return stringValue;
    }

 
}