Yet more refactors in basebuffer.

luprex/cpp/core/drivenengine.cpp

@@ -226,14 +226,21 @@ enum DrvAction {
 //////////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////////
 
-class PlayLogfile : public BaseWriteMethods<PlayLogfile>, public std::ofstream {
+class PlayLogfile : public std::ofstream {
     using std::ofstream::ofstream;
+    using DS = DataSerializer<PlayLogfile>;
 public:
     void write_bytes(const char *n, size_t size) { write(n, size); }
     void raise_integer_truncated() {
         fprintf(stderr, "number exceeds allowable size\n");
         std::abort();
     }
+    void write_uint8(uint64_t data)      { DS(this).write_uint8(data); }
+    void write_uint32(uint64_t data)     { DS(this).write_uint32(data); }
+    void write_uint64(uint64_t data)     { DS(this).write_uint64(data); }
+    void write_int64(int64_t data)       { DS(this).write_int64(data); }
+    void write_double(double data)       { DS(this).write_double(data); }
+    void write_string(std::string_view s){ DS(this).write_string(s); }
     void write_short_string(std::string_view v) {
         assert(v.size() < DRV_SHORTSTRING_SIZE);
         write_string(v);
@@ -244,10 +251,10 @@ public:
     }
 };
 
-class ReplayLogfile : public BaseReadMethods<ReplayLogfile>, public std::ifstream {
+class ReplayLogfile : public std::ifstream {
     using std::ifstream::ifstream;
+    using DD = DataDeserializer<ReplayLogfile>;
 public:
-    using read_string_type = std::string;
     void read_bytes_into(char *n, size_t size) {
         read(n, size);
         if (!good()) {
@@ -258,6 +265,13 @@ public:
         fprintf(stderr, "string in logfile is too long");
         std::abort();
     }
+    uint8_t read_uint8()       { return DD(this).read_uint8(); }
+    uint32_t read_uint32()     { return DD(this).read_uint32(); }
+    uint64_t read_uint64()     { return DD(this).read_uint64(); }
+    int64_t read_int64()       { return DD(this).read_int64(); }
+    double read_double()       { return DD(this).read_double(); }
+    size_t read_length()       { return DD(this).read_length(); }
+    std::string read_string()  { return DD(this).read_string(); }
     std::string_view read_short_string(EngineWrapper *w) {
         size_t size = read_length();
         assert(size <= DRV_SHORTSTRING_SIZE);