From c3ad96f88e1315cf12ef7485bf59337f642c496f Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Fri, 23 Sep 2011 13:45:09 +1000
Subject: [PATCH] Add more convenient array and object accessors

---
 json.cpp.rl | 9 +++++++++
 json.hpp    | 8 +++++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/json.cpp.rl b/json.cpp.rl
index 6d4530ca..7b40336d 100644
--- a/json.cpp.rl
+++ b/json.cpp.rl
@@ -304,6 +304,15 @@ json::node::operator!=(const node &rhs) const
     { return !(*this == rhs); }
 
 
+const json::node&
+json::node::operator[] (const std::string &key) const
+    { return to_object ()[key]; }
+
+
+const json::node&
+json::node::operator[] (unsigned int idx) const
+    { return to_array()[idx]; }
+
 /*
  * Object
  */
diff --git a/json.hpp b/json.hpp
index 061089e5..c4e30bbe 100644
--- a/json.hpp
+++ b/json.hpp
@@ -69,8 +69,10 @@ namespace json {
             virtual bool operator==(const boolean &) const { return false; }
             virtual bool operator==(const null    &) const { return false; }
 
-            virtual std::ostream& print (std::ostream &os) const = 0;
+            virtual const node& operator[] (const std::string&) const;
+            virtual const node& operator[] (unsigned int) const;
 
+            virtual std::ostream& print (std::ostream &os) const = 0;
     };                                          
 
 
@@ -146,6 +148,7 @@ namespace json {
                 { return rhs == *this; }
 
             operator const std::string&(void) const { return m_value; }
+            const std::string& native (void) const  { return m_value; }
 
             virtual std::ostream& print (std::ostream &os) const;
     };
@@ -167,6 +170,7 @@ namespace json {
                 { return rhs == *this; }
 
             operator double(void) const { return m_value; }
+            double native (void) const  { return m_value; }
 
             virtual std::ostream& print (std::ostream &os) const;
     };
@@ -186,6 +190,8 @@ namespace json {
             virtual bool operator==(const node   &rhs) const
                 { return rhs == *this; }
 
+            bool native (void) const { return m_value; }
+
             virtual std::ostream& print (std::ostream &os) const;
     };