src/main/java/de/unixwork/uwproj/Option.java

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package de.unixwork.uwproj;

import java.util.LinkedList;
import java.util.List;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

/**
 *
 * @author olaf
 */
public class Option {
    private String arg;
    
    LinkedList<OptionValue> values = new LinkedList<>();
    LinkedList<OptionDefault> defaults = new LinkedList<>();
    
    public static Option parse(Project project, Element element) throws Exception {
        Option opt = new Option();
        String arg = element.getAttribute("arg");
        if(arg.length() == 0) {
            throw new Exception("Option has no argument string");
        }
        opt.setArgument(arg);
        
        NodeList nodes = element.getChildNodes();
        for(int i=0;i<nodes.getLength();i++) {
            Node node = nodes.item(i);
            if (node.getNodeType() == Node.ELEMENT_NODE) {
                Element elm = (Element)node;
                String n = elm.getNodeName();
                if(n.equals("value")) {
                    OptionValue value = new OptionValue(opt);
                    value.setValue(elm.getAttribute("str"));
                    value.setTargetData(TargetData.parse(elm));
                    opt.values.add(value);
                } else if(n.equals("default")) {
                    String defValue = elm.getAttribute("value");
                    String defPlatform = elm.getAttribute(("platform"));
                    OptionDefault def = new OptionDefault(opt);
                    def.setValueName(defValue);
                    if(defPlatform.length() > 0) {
                        def.setPlatform(defPlatform);
                    }
                    opt.defaults.add(def);
                }
            }
        }
        
        return opt;
    }

    public String getArgument() {
        return arg;
    }

    public void setArgument(String arg) {
        this.arg = arg;
    }
    
    public String getVarName() {
        return "OPT_" + arg.toUpperCase();
    }
    
    public String getArgValue() {
        return "${ARG:"+(3+arg.length())+"}";
    }
    
    public List<OptionValue> getValues() {
        return values;
    }
    
    public List<OptionDefault> getDefaults() {
        return defaults;
    }
    
    public String getValueFunc(String value) {
        return "checkopt_"+arg+"_"+value;
    }
    
    public String getValuesString() {
        if(values.size() == 0) {
            return "()";
        } else if(values.size() == 1) {
            return values.get(0).getValue();
        } else {
            StringBuilder vs = new StringBuilder();
            vs.append('(');
            for(int i=0;i<values.size();i++) {
                if(i < values.size()-1) {
                    vs.append(values.get(i).getValue());
                    vs.append('|');
                } else {
                    vs.append(values.get(i).getValue());
                }
            }
            vs.append(')');
            return vs.toString();
        }
    }
}