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package bjc.utils.cli.objects;
public class Command {
public final int lineNo;
public final String fullCommand;
public final String remnCommand;
public final String nameCommand;
public final String ioSource;
/**
* Create a new command.
*
* @param ln
* The line to get the command from.
* @param lno
* The number of the line the command came from.
* @param ioSrc
* The name of where the I/O came from.
*/
public Command(String ln, int lno, String ioSrc) {
int idx = ln.indexOf(' ');
if(idx == -1) idx = ln.length();
fullCommand = ln;
nameCommand = ln.substring(0, idx).trim();
remnCommand = ln.substring(idx).trim();
lineNo = lno;
ioSource = ioSrc;
}
public static Command fromString(String ln, int lno, String ioSource) {
/*
* Ignore blank lines and comments.
*/
if(ln.equals("")) return null;
if(ln.startsWith("#")) return null;
/*
* Trim off comments part-way through the line.
*/
int idxHash = ln.indexOf('#');
if(idxHash != -1) {
ln = ln.substring(0, idxHash).trim();
}
return new Command(ln, lno, ioSource);
}
public String warn(String warning, Object... parms) {
String msg = String.format(warning, parms);
return String.format("WARNING (%s:%d): %s", ioSource, lineNo, msg);
}
public String error(String err, Object... parms) {
String msg = String.format(err, parms);
return String.format("ERROR (%s:%d): %s", ioSource, lineNo, msg);
}
}
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