lib/opts: add flag `options_before_rest`

[nit.git] / lib / opts.nit

diff --git a/lib/opts.nit b/lib/opts.nit
index c088325..5e36142 100644 (file)
--- a/lib/opts.nit
+++ b/lib/opts.nit
@@ -282,6 +282,14 @@ class OptionContext
                parse_intern(it)
        end
 
+       # Must all option be given before the first argument?
+       #
+       # When set to `false` (the default), options of the command line are
+       # all parsed until the end of the list of arguments or until "--" is met (in this case "--" is discarded).
+       #
+       # When set to `true` options are parsed until the first non-option is met.
+       var options_before_rest = false is writable
+
        # Parse the command line
        protected fun parse_intern(it: Iterator[String])
        do
@@ -319,6 +327,10 @@ class OptionContext
                                        else
                                                rest.add(it.item)
                                                it.next
+                                               if options_before_rest then
+                                                       rest.add_all(it.to_a)
+                                                       parseargs = false
+                                               end
                                        end
                                end
                        end