Fix for multiple argument values

Author: mdevils

docopt.coffee

@@ -35,6 +35,7 @@ class Pattern
     fix: ->
         @fix_identities()
         @fix_list_arguments()
+        @fix_list_options()
 
     fix_identities: (uniq=null) ->
         """Make pattern-tree tips point to same object if they are equal."""
@@ -64,6 +65,17 @@ class Pattern
                 when counts[e] > 1 and e.constructor is Argument
         @
 
+    fix_list_options: ->
+        """Find options that should accumulate values and fix them."""
+        either = (c.children for c in @either().children)
+        for child in either
+            counts = {}
+            for c in child
+                counts[c] = (counts[c] ? 0) + 1
+            e.value = [] for e in child \
+                when counts[e] > 1 and e.constructor is Option
+        @
+
     either: ->
         if not @hasOwnProperty 'children'
             return new Either [new Required [@]]
@@ -182,8 +194,16 @@ class Option extends Pattern
         new Option short, long, argcount, value
 
     match: (left, collected=[]) ->
-        left_ = (l for l in left when (l.constructor isnt Option \
-                 or @short isnt l.short or @long isnt l.long))
+        left_ = []
+        values = []
+        for l in left
+            if l.constructor is Option and @short is l.short and @long is l.long
+                values.push l.value
+            else
+                left_.push l
+        if @value.constructor is Array
+            @value = @value.concat(values)
+            collected.push @
         [left.join(', ') isnt left_.join(', '), left_, collected]
 
 class AnyOptions extends Pattern

docopt.js

@@ -76,7 +76,7 @@ setup()
 
 #{new Option, TokenStream, parse_shorts, parse_long,
 #                   parse_args, printable_usage, docopt} = module
-`with (require('./docopt')) { //`
+`with (require('./docopt.coffee')) { //`
 
 test "Option.parse", ->
     eq(
@@ -394,6 +394,16 @@ test "parse_pattern", ->
             ]
         ]
     )
+    eq(
+        parse_pattern '(--file <val>)...', o
+        new Required [
+            new OneOrMore [
+              new Required [
+                 new Option '-f', '--file', 1, '<val>'
+              ]
+            ]
+        ]
+    )
     eq(
         parse_pattern('[ -h | -v ]', o)
         new Required [
@@ -1027,6 +1037,10 @@ test "options_without_description", ->
        new Dict([['-v', true], ['--verbose', false]]))
     eq(docopt('usage: git remote [-v | --verbose]', argv: 'remote -v'),
        new Dict([['remote', true], ['-v', true], ['--verbose', false]]))
+    eq(docopt('usage: cmd (--file=<val>)... --l=<x>', argv: '--file=first --file=second --file=third --l=1'),
+       new Dict([['--file', ['first', 'second', 'third']], ['--l', 1]]))
+    eq(docopt('usage: cmd (--file=<val>)... --l=<x>...', argv: '--file=first --l=1 --file=second --file=third --l=2'),
+       new Dict([['--file', ['first', 'second', 'third']], ['--l', [1, 2]]]))
 
 
 test 'allow_single_underscore', ->