private static void printHelp(final PrintStream ps) {
printUsage(ps);
ps.println();
ps.println("Available options are :");
int maxCol = 0;
for (final CmdOption opt : options.getOptions()) {
final int col = 2 + opt.getPrototype().length();
if (col > maxCol) maxCol = col;
}
for (final CmdOption opt : options.getOptions()) {
final StringBuffer sb = new StringBuffer(" ");
sb.append(opt.getPrototype());
while (sb.length() < maxCol) sb.append(' ');
sb.append(" ").append(opt.getDescription());
ps.println(sb);
}
}
/**
* @param args
* @throws InvalidCommandLineException
*/
public void run(String[] args) {
int dot = args[0].lastIndexOf(java.io.File.pathSeparatorChar);
if (dot == -1) {
executableOpt =
new CmdArgument(
ID_PREFIX + "Executable",
null,
"executable",
"The path of the compiler executable, or simply its name if it ",
"EXECUTABLE",
null,
false);
} else {
executableOpt =
new CmdArgument(
ID_PREFIX + "Executable",
args[0].substring(+1, args[0].length()),
"executable",
"The path of the compiler executable, or simply its name if it ",
"EXECUTABLE",
null,
false);
}
options.addOptions(
executableOpt,
helpOpt,
preprocessOpt,
compileOpt,
inputFileOpt,
outputFileOpt,
flagsOpt,
defineOpt,
includeDirOpt,
preIncludeFileOpt,
dependencyFileOpt);
try {
cmdLine = CommandLine.parseArgs(options, false, args);
} catch (InvalidCommandLineException e) {
System.out.println(e.getMessage());
System.out.println();
printHelp(System.out);
System.exit(-1);
}
// If help is asked, print it and exit.
if (helpOpt.isPresent(cmdLine)) {
printHelp(System.out);
System.exit(0);
}
// If two actions are specified exit.
if (compileOpt.isPresent(cmdLine) && preprocessOpt.isPresent(cmdLine)) {
printActionHelp(System.out);
System.exit(-1);
}
// If no action are specified exit.
if (!compileOpt.isPresent(cmdLine) && !preprocessOpt.isPresent(cmdLine)) {
printActionHelp(System.out);
System.exit(-1);
}
if (!inputFileOpt.isPresent(cmdLine)) {
printInputHelp(System.out);
System.exit(-1);
}
if (!outputFileOpt.isPresent(cmdLine)) {
printOutputHelp(System.out);
System.exit(-1);
}
if (!(new File(inputFileOpt.getValue(cmdLine))).isFile()) {
printMissingInputFileHelp(System.out);
System.exit(-1);
}
if (preprocessOpt.isPresent(cmdLine)) {
executor.preprocess(cmdLine);
System.exit(0);
}
if (dependencyFileOpt.isPresent(cmdLine)) {
printDependencyWhileCompilingHelp(System.out);
System.exit(-1);
}
if (compileOpt.isPresent(cmdLine)) {
executor.compile(cmdLine);
System.exit(0);
}
}