From 26c4d5ddef6920043ae40a9d80ca31f3b820bad5 Mon Sep 17 00:00:00 2001
From: Taylor King <taylor@Taylors-MacBook-Pro.local>
Date: Sun, 9 Oct 2016 12:05:23 -0400
Subject: [PATCH] implement .keys()

---
 amalgamate/crow_all.h | 19 ++++++++++++++++++-
 include/crow/json.h   | 19 ++++++++++++++++++-
 2 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/amalgamate/crow_all.h b/amalgamate/crow_all.h
index 41b06ffb1..7922ab999 100644
--- a/amalgamate/crow_all.h
+++ b/amalgamate/crow_all.h
@@ -4698,6 +4698,24 @@ namespace crow
                 return (*o)[str];
             }
 
+            std::vector<std::string> keys() const {
+                std::vector<std::string> result;
+                switch (t_) {
+                  case type::Null: return result;
+                  case type::False: return result;
+                  case type::True: return result;
+                  case type::Number: return result;
+                  case type::String: return result;
+                  case type::List: return result;
+                  case type::Object: {
+                      for (auto& kv:*o) {
+                         result.push_back(kv.first);
+                      }
+                      return result;
+                  }
+                }
+            }
+
             size_t estimate_length() const
             {
                 switch(t_)
@@ -4738,7 +4756,6 @@ namespace crow
                 return 1;
             }
 
-
             friend void dump_internal(const wvalue& v, std::string& out);
             friend std::string dump(const wvalue& v);
         };
diff --git a/include/crow/json.h b/include/crow/json.h
index 891fedfcb..53ed45fa0 100644
--- a/include/crow/json.h
+++ b/include/crow/json.h
@@ -1316,6 +1316,24 @@ namespace crow
                 return (*o)[str];
             }
 
+            std::vector<std::string> keys() const {
+                std::vector<std::string> result;
+                switch (t_) {
+                  case type::Null: return result;
+                  case type::False: return result;
+                  case type::True: return result;
+                  case type::Number: return result;
+                  case type::String: return result;
+                  case type::List: return result;
+                  case type::Object: {
+                      for (auto& kv:*o) {
+                         result.push_back(kv.first);
+                      }
+                      return result;
+                  }
+                }
+            }
+
             size_t estimate_length() const
             {
                 switch(t_)
@@ -1356,7 +1374,6 @@ namespace crow
                 return 1;
             }
 
-
             friend void dump_internal(const wvalue& v, std::string& out);
             friend std::string dump(const wvalue& v);
         };