Final product

src/com/gnarwhal/ld48/engine/properties/PropertyReader.java

@@ -0,0 +1,91 @@
+package com.gnarwhal.ld48.engine.properties;
+
+import com.gnarwhal.ld48.engine.properties.Properties.*;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.Scanner;
+
+public class PropertyReader {
+	
+	private static int lineNum;
+	private static String path;
+	
+	public static Properties readProperties(String path) {
+		Properties props = null;
+		try {
+			File file = new File(path);
+			Scanner scanner = new Scanner(file);
+			PropertyReader.path = path;
+			lineNum = 0;
+			props = readBlock(file.getName(), scanner).data;
+			scanner.close();
+		} catch (FileNotFoundException e) {
+			e.printStackTrace();
+			System.exit(-1);
+		}
+		return props;
+	}
+	
+	private static BlockNode readBlock(String name, Scanner scanner) {
+		BlockNode props = new BlockNode();
+		props.key = name;
+		props.data = new Properties(name);
+		while (scanner.hasNextLine()) {
+			String line = scanner.nextLine();
+			line = line.replaceAll("\\s", "");
+			if(line.equals("}"))
+				break;
+			else if(line.length() < 2 || !line.substring(0, 2).equals("//")){
+				String[] pair = line.split(":");
+				if (pair.length != 2)
+					throw new ImproperFormattingException("Formatting exception on line " + line + " in file '" + path + "!");
+				pair[1] = pair[1].replaceAll("\\s", "");
+				if (pair[1].equals("{"))
+					props.data.add(readBlock(pair[0], scanner));
+				else if (pair[1].matches("(\\d+|0x[\\da-f]+)")) {
+					IntNode node = new IntNode();
+					node.key  = pair[0];
+					node.data = Integer.decode(pair[1]);
+					props.data.add(node);
+				}
+				else if (pair[1].matches("(\\d+|0x[\\d0-9]+)(,(\\d+|0x[\\d0-9]+))+")) {
+					String[] data = pair[1].split(",");
+					int[] ints = new int[data.length];
+					for (int i = 0; i < ints.length; ++i)
+						ints[i] = Integer.decode(data[i]);
+					IntArrayNode node = new IntArrayNode();
+					node.key  = pair[0];
+					node.data = ints;
+					props.data.add(node);
+						
+				}
+				else if (pair[1].matches("\\d+\\.\\d+")) {
+					DoubleNode node = new DoubleNode();
+					node.key  = pair[0];
+					node.data = Double.parseDouble(pair[1]);
+					props.data.add(node);
+				}
+				else if (pair[1].matches("\\d+\\.\\d+(,\\d+\\.\\d+)+")) {
+					String[] data = pair[1].split(",");
+					double[] doubles = new double[data.length];
+					for (int i = 0; i < doubles.length; ++i)
+						doubles[i] = Double.parseDouble(data[i]);
+					DoubleArrayNode node = new DoubleArrayNode();
+					node.key  = pair[0];
+					node.data = doubles;
+					props.data.add(node);
+						
+				}
+				else {
+					StringNode node = new StringNode();
+					node.key  = pair[0];
+					node.data = pair[1];
+					props.data.add(node);
+				}
+			}
+			++lineNum;
+		}
+		return props;
+	}
+}