initial commit

java/src/game/command/ArgumentParser.java

@@ -0,0 +1,97 @@
+package game.command;
+
+import java.util.List;
+
+import game.collect.Lists;
+
+public abstract class ArgumentParser {
+	public static String[][] splitString(String str) {
+//    	if(str.isEmpty()) {
+//			return new String[0];
+//		}
+		int pos;
+		int last = 0;
+		boolean space = true;
+		boolean quote = false;
+		boolean escape = false;
+		char c;
+		String arg = "";
+		List<String> args = Lists.<String>newArrayList();
+		List<String[]> cmds = Lists.<String[]>newArrayList();
+		for(pos = 0; pos < str.length(); pos++) {
+			c = str.charAt(pos);
+			if(escape) {
+				escape = false;
+				switch(c) {
+				case '\\':
+				case ' ':
+				case '"':
+				case ';':
+					arg += c;
+					break;
+				default:
+					throw new ScriptException("Unbekannte Sequenz bei Zeichen %d: '\\%c'", pos + 1, c);
+				}
+			}
+			else if(c == '\\') {
+				space = false;
+				escape = true;
+			}
+			else if(c == '"') {
+				space = false;
+				quote = !quote;
+				last = pos;
+			}
+			else if(c == ' ' && !quote) {
+				if(!space) {
+					args.add(arg);
+					arg = "";
+				}
+				space = true;
+			}
+			else if(c == ';' && !quote) {
+				if(!space) {
+					args.add(arg);
+					arg = "";
+				}
+				if(!args.isEmpty()) {
+					cmds.add(args.toArray(new String[args.size()]));
+					args.clear();
+				}
+			}
+			else {
+				space = false;
+				arg += c;
+			}
+		}
+		if(escape)
+			throw new ScriptException("Unvollständige Sequenz bei Zeichen %d", pos + 1);
+		if(quote)
+			throw new ScriptException("Nicht geschlossenes Anführungszeichen bei %d", last + 1);
+		if(!space)
+			args.add(arg);
+		if(!args.isEmpty()) {
+			cmds.add(args.toArray(new String[args.size()]));
+			args.clear();
+		}
+		return cmds.toArray(new String[cmds.size()][]);
+	}
+	
+	private final String name;
+	
+	public ArgumentParser(String name) {
+		this.name = name;
+	}
+
+	public abstract Object parse(ScriptEnvironment env, String input);
+	public abstract Object getDefault(ScriptEnvironment env);
+	public abstract String[] getCompletions(ScriptEnvironment env);
+	
+	public final String getName() {
+		return this.name;
+	}
+	
+	public final String toString() {
+		return this.name;
+	}
+}