From 72b959690f848ba9e66671ae643a57ec86737c4c Mon Sep 17 00:00:00 2001
From: kpl <kevin@larke.org>
Date: Mon, 27 Jan 2020 17:48:17 -0500
Subject: [PATCH] cwObject.h/cpp : Added list_ele().

---
 cwObject.cpp | 16 ++++++++++++++--
 cwObject.h   | 11 +++++------
 2 files changed, 19 insertions(+), 8 deletions(-)

diff --git a/cwObject.cpp b/cwObject.cpp
index 790c043..cb922a1 100644
--- a/cwObject.cpp
+++ b/cwObject.cpp
@@ -371,11 +371,23 @@ const struct cw::object_str* cw::object_t::find( const char* label ) const
       if((ch = o->find(label)) != nullptr )
         return ch;
     }     
-  }
-  
+  }  
   return nullptr;
 }
 
+const struct cw::object_str* cw::object_t::list_ele( unsigned idx ) const
+{
+  if( is_list() )
+  {
+    unsigned i = 0;
+    for(object_t* o=u.children; o!=nullptr; o=o->sibling,++i)
+      if( i == idx )
+        return o;            
+  }
+  return nullptr;
+}
+
+
 
 void cw::object_t::print(const print_ctx_t* c) const
 {
diff --git a/cwObject.h b/cwObject.h
index 471b120..36496c8 100644
--- a/cwObject.h
+++ b/cwObject.h
@@ -35,8 +35,6 @@ namespace cw
   };
 
   typedef unsigned objTypeId_t;
-
-
   
   enum
   {
@@ -102,10 +100,10 @@ namespace cw
     inline bool is_value_container() const { return type != nullptr && cwIsFlag(type->flags,kValueContainerFl); }
 
     // Containers have children and use the object.u.children pointer.
-    inline bool is_container()       const { return type != nullptr && cwIsFlag(type->flags,kContainerFl); }
-    inline bool is_pair()            const { return type != nullptr && type->id == kPairTId; }
-    inline bool is_dict()            const { return type != nullptr && type->id == kDictTId; }
-    inline bool is_list()            const { return type != nullptr && type->id == kListTId; }
+    inline bool is_container() const { return type != nullptr && cwIsFlag(type->flags,kContainerFl); }
+    inline bool is_pair()      const { return type != nullptr && type->id == kPairTId; }
+    inline bool is_dict()      const { return type != nullptr && type->id == kDictTId; }
+    inline bool is_list()      const { return type != nullptr && type->id == kListTId; }
 
     rc_t value( void* dst, unsigned dstTypeId );
     rc_t value( char& v ) const;
@@ -124,6 +122,7 @@ namespace cw
     const char* pair_label() const;
     const struct object_str* pair_value() const;
     const struct object_str* find( const char* label ) const;
+    const struct object_str* list_ele( unsigned idx ) const;
 
     template< typename T >
       rc_t get( const char* label, T& v  ) const