org.jruby.ext.nkf.CommandParser Maven / Gradle / Ivy
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* except in compliance with the License. You may obtain a copy of
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* Copyright (C) 2011 Koichiro Ohba
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package org.jruby.ext.nkf;
public class CommandParser {
public Command parse(Options opt, String args) {
Options options = opt;
Command cc = new Command();
String[] tokens = args.split("\\s");
for (int i = 0; i < tokens.length; i++) {
// long option
if (tokens[i].startsWith("--")) {
String s = stripDash(tokens[i]);
if (opt.hasLongOption(s)) {
cc.addOption(opt.matchLongOption(s));
}
} else {
// short option
String s = stripDash(tokens[i]);
int max = s.length();
for (int j = 0; j < max; j++) {
if (opt.hasShortOption(s)) {
Option cmd = opt.matchShortOption(s);
if (cmd.getValue() != null) {
int op_len = cmd.getValue().length();
s = s.substring(op_len);
j = j + op_len;
}
cc.addOption(cmd);
}
s = s.substring(1);
}
}
}
return cc;
}
private String stripDash(String s) {
if (s.startsWith("--")) {
return s.substring(2, s.length());
} else if (s.startsWith("-")) {
return s.substring(1, s.length());
} else {
return s;
}
}
}