big merge

components/spotify/cspot/include/PbReader.h

@@ -0,0 +1,42 @@
+#ifndef PBREADER_H
+#define PBREADER_H
+
+#include <vector>
+#include <string>
+#include <memory>
+#include <PbWireType.h>
+
+class PbReader
+{
+private:
+    std::vector<uint8_t> const &rawData;
+    uint32_t currentWireValue = 0;
+    uint64_t skipVarIntDump = 0;
+    uint32_t nextFieldLength = 0;
+    int64_t decodeZigzag(uint64_t value);
+
+public:
+    PbReader(std::vector<uint8_t> const &rawData);
+    uint32_t maxPosition = 0;
+
+    PbWireType currentWireType = PbWireType::unknown;
+    uint32_t currentTag = 0;
+    uint32_t pos = 0;
+
+    template <typename T>
+    T decodeVarInt();
+
+    template <typename T>
+    T decodeFixed();
+
+    template <typename T>
+    T decodeSVarInt();
+    void decodeString(std::string &target);
+    void decodeVector(std::vector<uint8_t> &target);
+
+    bool next();
+    void skip();
+    void resetMaxPosition();
+};
+
+#endif