From 2ae36f1e9671b40723dd06462b4a416e4baa5a57 Mon Sep 17 00:00:00 2001
From: rsgowman <rgowman@google.com>
Date: Thu, 8 Mar 2018 11:53:37 -0500
Subject: [De]Serialize FieldValue map_values ("Objects") (#878)

These can (recursively) contain other FieldValues.
---
 Firestore/core/src/firebase/firestore/model/field_value.cc | 11 +++++------
 Firestore/core/src/firebase/firestore/model/field_value.h  | 13 ++++++++-----
 2 files changed, 13 insertions(+), 11 deletions(-)

(limited to 'Firestore/core/src/firebase/firestore/model')

diff --git a/Firestore/core/src/firebase/firestore/model/field_value.cc b/Firestore/core/src/firebase/firestore/model/field_value.cc
index 03cf1d4..a38a676 100644
--- a/Firestore/core/src/firebase/firestore/model/field_value.cc
+++ b/Firestore/core/src/firebase/firestore/model/field_value.cc
@@ -113,7 +113,7 @@ FieldValue& FieldValue::operator=(const FieldValue& value) {
     }
     case Type::Object: {
       // copy-and-swap
-      std::map<const std::string, const FieldValue> tmp = value.object_value_;
+      std::map<std::string, FieldValue> tmp = value.object_value_;
       std::swap(object_value_, tmp);
       break;
     }
@@ -281,13 +281,12 @@ FieldValue FieldValue::ArrayValue(std::vector<FieldValue>&& value) {
 }
 
 FieldValue FieldValue::ObjectValue(
-    const std::map<const std::string, const FieldValue>& value) {
-  std::map<const std::string, const FieldValue> copy(value);
+    const std::map<std::string, FieldValue>& value) {
+  std::map<std::string, FieldValue> copy(value);
   return ObjectValue(std::move(copy));
 }
 
-FieldValue FieldValue::ObjectValue(
-    std::map<const std::string, const FieldValue>&& value) {
+FieldValue FieldValue::ObjectValue(std::map<std::string, FieldValue>&& value) {
   FieldValue result;
   result.SwitchTo(Type::Object);
   std::swap(result.object_value_, value);
@@ -418,7 +417,7 @@ void FieldValue::SwitchTo(const Type type) {
       new (&array_value_) std::vector<FieldValue>();
       break;
     case Type::Object:
-      new (&object_value_) std::map<const std::string, const FieldValue>();
+      new (&object_value_) std::map<std::string, FieldValue>();
       break;
     default: {}  // The other types where there is nothing to worry about.
   }
diff --git a/Firestore/core/src/firebase/firestore/model/field_value.h b/Firestore/core/src/firebase/firestore/model/field_value.h
index cb219f5..fc8619d 100644
--- a/Firestore/core/src/firebase/firestore/model/field_value.h
+++ b/Firestore/core/src/firebase/firestore/model/field_value.h
@@ -111,6 +111,11 @@ class FieldValue {
     return string_value_;
   }
 
+  const std::map<std::string, FieldValue>& object_value() const {
+    FIREBASE_ASSERT(tag_ == Type::Object);
+    return object_value_;
+  }
+
   /** factory methods. */
   static const FieldValue& NullValue();
   static const FieldValue& TrueValue();
@@ -134,10 +139,8 @@ class FieldValue {
   static FieldValue GeoPointValue(const GeoPoint& value);
   static FieldValue ArrayValue(const std::vector<FieldValue>& value);
   static FieldValue ArrayValue(std::vector<FieldValue>&& value);
-  static FieldValue ObjectValue(
-      const std::map<const std::string, const FieldValue>& value);
-  static FieldValue ObjectValue(
-      std::map<const std::string, const FieldValue>&& value);
+  static FieldValue ObjectValue(const std::map<std::string, FieldValue>& value);
+  static FieldValue ObjectValue(std::map<std::string, FieldValue>&& value);
 
   friend bool operator<(const FieldValue& lhs, const FieldValue& rhs);
 
@@ -164,7 +167,7 @@ class FieldValue {
     firebase::firestore::model::ReferenceValue reference_value_;
     GeoPoint geo_point_value_;
     std::vector<FieldValue> array_value_;
-    std::map<const std::string, const FieldValue> object_value_;
+    std::map<std::string, FieldValue> object_value_;
   };
 };
 
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