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