From fcaafcc428f932e36e195e6801855344798ca33e Mon Sep 17 00:00:00 2001
From: Bruno de Oliveira Abinader <bruno@mapbox.com>
Date: Thu, 18 Feb 2016 17:20:31 +0200
Subject: [PATCH] [core] Replace std::array<double, N> usage in SourceInfo

---
 src/mbgl/source/source_info.hpp |  6 ++++--
 src/mbgl/style/style_parser.cpp | 15 ++++++++++-----
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/src/mbgl/source/source_info.hpp b/src/mbgl/source/source_info.hpp
index 9e905d2b9..db584d9e3 100644
--- a/src/mbgl/source/source_info.hpp
+++ b/src/mbgl/source/source_info.hpp
@@ -3,6 +3,7 @@
 
 #include <mbgl/style/types.hpp>
 #include <mbgl/util/constants.hpp>
+#include <mbgl/util/geo.hpp>
 
 #include <array>
 #include <vector>
@@ -19,8 +20,9 @@ public:
     uint16_t minZoom = 0;
     uint16_t maxZoom = 22;
     std::string attribution;
-    std::array<double, 3> center = { { 0, 0, 0 } };
-    std::array<double, 4> bounds = { { -util::LONGITUDE_MAX, -util::LATITUDE_MAX, util::LONGITUDE_MAX, util::LATITUDE_MAX } };
+    LatLng center;
+    double zoom = 0;
+    LatLngBounds bounds = LatLngBounds::world();
 };
 
 } // namespace mbgl
diff --git a/src/mbgl/style/style_parser.cpp b/src/mbgl/style/style_parser.cpp
index 767bee095..797f20ade 100644
--- a/src/mbgl/style/style_parser.cpp
+++ b/src/mbgl/style/style_parser.cpp
@@ -77,14 +77,13 @@ void parseTileJSONMember(const JSValue& value, uint16_t& target, const char* nam
     target = uint;
 }
 
-template <size_t N>
-void parseTileJSONMember(const JSValue& value, std::array<double, N>& target, const char* name) {
+void parseTileJSONMember(const JSValue& value, std::array<double, 4>& target, const char* name) {
     if (!value.HasMember(name)) {
         return;
     }
 
     const JSValue& property = value[name];
-    if (!property.IsArray() || property.Size() != N) {
+    if (!property.IsArray() || property.Size() > 4) {
         return;
     }
 
@@ -284,8 +283,14 @@ std::unique_ptr<SourceInfo> StyleParser::parseTileJSON(const JSValue& value) {
     parseTileJSONMember(value, info->minZoom, "minzoom");
     parseTileJSONMember(value, info->maxZoom, "maxzoom");
     parseTileJSONMember(value, info->attribution, "attribution");
-    parseTileJSONMember(value, info->center, "center");
-    parseTileJSONMember(value, info->bounds, "bounds");
+
+    std::array<double, 4> array;
+    parseTileJSONMember(value, array, "center");
+    info->center = { array[0], array[1] };
+    info->zoom = array[2];
+    parseTileJSONMember(value, array, "bounds");
+    info->bounds = LatLngBounds::hull({ array[0], array[1] }, { array[2], array[3] });
+
     return info;
 }