allow comma-separated tokens

pandatool/src/egg-optchar/eggOptchar.cxx

@@ -59,17 +59,17 @@ EggOptchar() {
      &EggOptchar::dispatch_none, &_list_hierarchy_p);
 
   add_option
-    ("keep", "joint", 0,
-     "Keep the named joint (or slider) in the character, even if it does "
+    ("keep", "joint[,joint...]", 0,
+     "Keep the named joints (or sliders) in the character, even if they do "
      "not appear to be needed by the animation.",
-     &EggOptchar::dispatch_vector_string, NULL, &_keep_components);
+     &EggOptchar::dispatch_vector_string_comma, NULL, &_keep_components);
 
   add_option
-    ("expose", "joint", 0,
-     "Expose the named joint by flagging it with a DCS attribute, so "
-     "it can be found in the scene graph when the character is loaded, and "
-     "objects can be parented to it.  This implies -keep.",
-     &EggOptchar::dispatch_vector_string, NULL, &_expose_components);
+    ("expose", "joint[,joint...]", 0,
+     "Expose the named joints by flagging them with a DCS attribute, so "
+     "each one can be found in the scene graph when the character is loaded, "
+     "and objects can be parented to it.  This implies -keep.",
+     &EggOptchar::dispatch_vector_string_comma, NULL, &_expose_components);
 
   add_option
     ("keepall", "", 0,

pandatool/src/progbase/programBase.cxx

@@ -1015,6 +1015,30 @@ dispatch_vector_string(const string &, const string &arg, void *var) {
   return true;
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: ProgramBase::dispatch_vector_string_comma
+//       Access: Protected, Static
+//  Description: Similar to dispatch_vector_string, but a comma is
+//               allowed to separate multiple tokens in one argument,
+//               without having to repeat the argument for each token.
+//
+//               The data pointer is to a vector_string variable.
+////////////////////////////////////////////////////////////////////
+bool ProgramBase::
+dispatch_vector_string_comma(const string &, const string &arg, void *var) {
+  vector_string *ip = (vector_string *)var;
+
+  vector_string words;
+  tokenize(arg, words, ",");
+
+  vector_string::const_iterator wi;
+  for (wi = words.begin(); wi != words.end(); ++wi) {
+    (*ip).push_back(*wi);
+  }
+
+  return true;
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: ProgramBase::dispatch_filename
 //       Access: Protected, Static

pandatool/src/progbase/programBase.h

@@ -98,6 +98,7 @@ protected:
   static bool dispatch_color(const string &opt, const string &arg, void *var);
   static bool dispatch_string(const string &opt, const string &arg, void *var);
   static bool dispatch_vector_string(const string &opt, const string &arg, void *var);
+  static bool dispatch_vector_string_comma(const string &opt, const string &arg, void *var);
   static bool dispatch_filename(const string &opt, const string &arg, void *var);
   static bool dispatch_search_path(const string &opt, const string &arg, void *var);
   static bool dispatch_coordinate_system(const string &opt, const string &arg, void *var);