1 files changed, 46 insertions, 0 deletions
diff --git a/src/mbgl/util/blob.cpp b/src/mbgl/util/blob.cpp
new file mode 100644
index 0000000000..53d7644002
--- /dev/null
+++ b/src/mbgl/util/blob.cpp
@@ -0,0 +1,46 @@
+#include <mbgl/util/blob.hpp>
+#include <mbgl/util/compression.hpp>
+
+namespace mbgl {
+
+Blob::Blob() = default;
+
+Blob::Blob(std::shared_ptr<const std::string> bytes_, bool compressed_)
+    : bytes(std::move(bytes_)), compressed(compressed_) {
+}
+
+Blob::Blob(std::string&& bytes_, bool compressed_)
+    : bytes(std::make_shared<const std::string>(std::move(bytes_))), compressed(compressed_) {
+}
+
+std::shared_ptr<const std::string> Blob::uncompressedData() const {
+    if (!bytes) {
+        throw std::runtime_error("invalid blob");
+    }
+    if (compressed) {
+        return std::make_shared<const std::string>(util::decompress(*bytes));
+    } else {
+        return bytes;
+    }
+}
+
+std::shared_ptr<const std::string> Blob::compressedData() const {
+    if (!bytes) {
+        throw std::runtime_error("invalid blob");
+    }
+    if (compressed) {
+        return bytes;
+    } else {
+        return std::make_shared<const std::string>(util::compress(*bytes));
+    }
+}
+
+void Blob::uncompress() {
+    if (compressed) {
+        bytes = uncompressedData();
+        compressed = false;
+    }
+}
+
+
+} // namespace mbgl