@Override
public void run(final Context context) throws ExitException {
if (context.contains(INSTANCE)) {
context.show("Validating DSL ...");
final Either<Boolean> result = DslCompiler.parse(context, DslPath.getDslPaths(context));
if (result.isSuccess()) {
context.show("Parse successful.");
} else {
context.error(result.whyNot());
throw new ExitException();
}
}
}
private static void showHelpAndExit(
final Context context, final boolean headers, final List<CompileParameter> parameters) {
if (headers) {
context.show("DSL Platform - Command-Line Client (" + Main.getVersion() + ")");
context.show(
"This tool allows you to compile provided DSL to various languages such as Java, Scala, PHP, C#, etc... or create an SQL migration between two DSL models.");
}
context.show();
context.show();
context.show("Command parameters:");
int max = 0;
for (final CompileParameter cp : parameters) {
if (cp.getShortDescription() == null) {
continue;
}
int width = cp.getAlias().length();
if (cp.getUsage() != null) {
width += 1 + cp.getUsage().length();
}
if (max < width) {
max = width;
}
}
max += 2;
for (final CompileParameter cp : parameters) {
if (cp.getShortDescription() == null) {
continue;
}
final StringBuilder sb = new StringBuilder();
sb.append(" -").append(cp.getAlias());
int len = max - cp.getAlias().length();
if (cp.getUsage() != null) {
sb.append("=").append(cp.getUsage());
len -= cp.getUsage().length() + 1;
}
for (; len >= 0; len--) {
sb.append(' ');
}
sb.append(cp.getShortDescription());
context.show(sb.toString());
}
context.show();
context.show("Example usages:");
context.show("\ttarget=java_client,revenj.java postgres=localhost/Database?user=postgres");
context.show(
"\tjava_client=model.jar revenj.net=Model.dll postgres=localhost/Database?user=postgres");
context.show("\tproperties=development.props download");
}
public static boolean processContext(
final Context context, final List<CompileParameter> parameters) {
try {
context.notify("PROCESS", parameters);
for (final CompileParameter cp : parameters) {
if (!cp.check(context)) {
if (cp.getDetailedDescription() != null) {
context.show();
context.show();
context.show(cp.getDetailedDescription());
}
return false;
}
}
for (final CompileParameter cp : parameters) {
cp.run(context);
}
return true;
} catch (ExitException ex) {
return false;
}
}