1 files changed, 60 insertions, 0 deletions
diff --git a/src/mbgl/style/value.cpp b/src/mbgl/style/value.cpp
new file mode 100644
index 0000000000..ae51ce3783
--- /dev/null
+++ b/src/mbgl/style/value.cpp
@@ -0,0 +1,60 @@
+#include <mbgl/style/value.hpp>
+#include <mbgl/util/string.hpp>
+
+mbgl::Value mbgl::parseValue(pbf data) {
+    while (data.next())
+    {
+        switch (data.tag)
+        {
+        case 1: // string_value
+            return data.string();
+        case 2: // float_value
+            return static_cast<double>(data.float32());
+        case 3: // double_value
+            return data.float64();
+        case 4: // int_value
+            return data.varint<int64_t>();
+        case 5: // uint_value
+            return data.varint<uint64_t>();
+        case 6: // sint_value
+            return data.svarint<int64_t>();
+        case 7: // bool_value
+            return data.boolean();
+        default:
+            data.skip();
+            break;
+        }
+    }
+    return false;
+}
+
+std::string mbgl::toString(const mbgl::Value& value) {
+    if (value.is<std::string>()) return value.get<std::string>();
+    else if (value.is<bool>()) return value.get<bool>() ? "true" : "false";
+    else if (value.is<int64_t>()) return util::toString(value.get<int64_t>());
+    else if (value.is<uint64_t>()) return util::toString(value.get<uint64_t>());
+    else if (value.is<double>()) return util::toString(value.get<double>());
+    else return "null";
+}
+
+mbgl::Value mbgl::parseValue(const rapidjson::Value& value) {
+    switch (value.GetType()) {
+        case rapidjson::kNullType:
+        case rapidjson::kFalseType:
+            return false;
+
+        case rapidjson::kTrueType:
+            return true;
+
+        case rapidjson::kStringType:
+            return std::string { value.GetString(), value.GetStringLength() };
+
+        case rapidjson::kNumberType:
+            if (value.IsUint64()) return value.GetUint64();
+            if (value.IsInt64()) return value.GetInt64();
+            return value.GetDouble();
+
+        default:
+            return false;
+    }
+}