private Varbox R(String x) throws IOException {
if (nextToken() == '>') {
if (nextToken() != '"' && currentToken() != StreamTokenizer.TT_WORD)
throw new IOException("a tool name must follow after token >");
Varbox r = R2(tokenizer.sval);
r.stdin = x;
return r;
}
tokenizer.pushBack();
return R2(x);
}
private Varbox R2(String tool) throws IOException {
if (nextToken() != '"' && currentToken() != StreamTokenizer.TT_WORD)
throw new IOException("an action name must follow after tool");
Command c = new Command();
c.action = tokenizer.sval;
c.tool = tool;
Varbox r = new Varbox();
nextToken();
while (currentToken() == '-') {
Entry<String, String> pair = PAIR();
c.pairs.put(pair.getKey(), pair.getValue());
nextToken();
}
r.commands.add(c);
while (currentToken() == '|') {
r.commands.add(COMMAND());
}
if (currentToken() == '>') {
if (nextToken() != '"' && currentToken() != StreamTokenizer.TT_WORD)
throw new IOException("a stdout literal must follow after token '>'");
r.stdout = tokenizer.sval;
}
return r;
}