-namesection RESOURCE-SPEC ( ',' RESOURCE-SPEC ) *

/**
 * Parse the namesection as instructions and then match them against the
 * current set of resources For example:
 * 
 * <pre>
 * 	-namesection: *;baz=true, abc/def/bar/X.class=3
 * </pre>
 * 
 * The raw value of {@link Constants#NAMESECTION} is used but the values of
 * the attributes are replaced where @ is set to the resource name. This
 * allows macro to operate on the resource
 */

private void doNamesection(Jar dot, Manifest manifest) {

	Parameters namesection = parseHeader(getProperties().getProperty(NAMESECTION));
	Instructions instructions = new Instructions(namesection);
	Set<String> resources = new HashSet<String>(dot.getResources().keySet());

	//
	// For each instruction, iterator over the resources and filter
	// them. If a resource matches, it must be removed even if the
	// instruction is negative. If positive, add a name section
	// to the manifest for the given resource name. Then add all
	// attributes from the instruction to that name section.
	//
	for (Map.Entry<Instruction,Attrs> instr : instructions.entrySet()) {
		boolean matched = false;

		// For each instruction

		for (Iterator<String> i = resources.iterator(); i.hasNext();) {
			String path = i.next();
			// For each resource

			if (instr.getKey().matches(path)) {

				// Instruction matches the resource

				matched = true;
				if (!instr.getKey().isNegated()) {

					// Positive match, add the attributes

					Attributes attrs = manifest.getAttributes(path);
					if (attrs == null) {
						attrs = new Attributes();
						manifest.getEntries().put(path, attrs);
					}

					//
					// Add all the properties from the instruction to the
					// name section
					//

					for (Map.Entry<String,String> property : instr.getValue().entrySet()) {
						setProperty("@", path);
						try {
							String processed = getReplacer().process(property.getValue());
							attrs.putValue(property.getKey(), processed);
						}
						finally {
							unsetProperty("@");
						}
					}
				}
				i.remove();
			}
		}

		if (!matched && resources.size() > 0)
			warning("The instruction %s in %s did not match any resources", instr.getKey(), NAMESECTION);
	}

}