Examples with Library com.cburch.logisim.tools.Library used on opensource projects

Example 26 with Library

use of com.cburch.logisim.tools.Library in project logisim-evolution by reds-heig.

the class XmlCircuitReader method getComponent.

/**
 * Get a circuit's component from a read XML file. If the component has a
 * non-null "trackercomp" field, it means that it is tracked, therefore it
 * is skipped in the non-tracked version to avoid errors.
 *
 * @param elt
 *            XML element to parse
 * @param reader
 *            XML file reader
 * @return the component built from its XML description
 * @throws XmlReaderException
 */
static Component getComponent(Element elt, XmlReader.ReadContext reader) throws XmlReaderException {
    if (elt.getAttribute("trackercomp") != "" && !Main.VERSION.hasTracker()) {
        return (null);
    }
    // Determine the factory that creates this element
    String name = elt.getAttribute("name");
    if (name == null || name.equals("")) {
        throw new XmlReaderException(Strings.get("compNameMissingError"));
    }
    String libName = elt.getAttribute("lib");
    Library lib = reader.findLibrary(libName);
    if (lib == null) {
        throw new XmlReaderException(Strings.get("compUnknownError", "no-lib"));
    }
    Tool tool = lib.getTool(name);
    if (tool == null || !(tool instanceof AddTool)) {
        if (libName == null || libName.equals("")) {
            throw new XmlReaderException(Strings.get("compUnknownError", name));
        } else {
            throw new XmlReaderException(Strings.get("compAbsentError", name, libName));
        }
    }
    ComponentFactory source = ((AddTool) tool).getFactory();
    // Determine attributes
    String loc_str = elt.getAttribute("loc");
    AttributeSet attrs = source.createAttributeSet();
    reader.initAttributeSet(elt, attrs, source);
    // Create component if location known
    if (loc_str == null || loc_str.equals("")) {
        throw new XmlReaderException(Strings.get("compLocMissingError", source.getName()));
    } else {
        try {
            Location loc = Location.parse(loc_str);
            return source.createComponent(loc, attrs);
        } catch (NumberFormatException e) {
            throw new XmlReaderException(Strings.get("compLocInvalidError", source.getName(), loc_str));
        }
    }
}