difference transmission of source databases done

luprex/core/cpp/source.hpp

@@ -121,6 +121,7 @@
 #define SOURCE_HPP
 
 #include "luastack.hpp"
+#include "streambuffer.hpp"
 
 class SourceDB {
 private:
@@ -143,10 +144,17 @@ public:
     // Rebuild the lua environment: clear it out, then reinstall all the
     // functions that should be there.  See above for more information.
     // If an error exists in any of the source files, or when loading any
-    // of the closures, the error is (currently) printed.  We'll come up
-    // with better error handling later.
+    // of the closures, the error can optionally be printed or ignored.
     //
-    void rebuild();
+    void rebuild(bool print_errors);
+
+    // Difference transmission.
+    //
+    // Note: The patch routine applies the differences to the source
+    // database, and if there are any changes, it does a source rebuild.
+    //
+    void diff(const SourceDB &auth, StreamBuffer *sb);
+    void patch(StreamBuffer *sb);
 
     // run_unittests
     //
@@ -154,6 +162,14 @@ public:
     // are any errors, exits the program.
     //
     void run_unittests();
+
+    // Get/Set code (for unit testing).
+    //
+    // These functions are direct getters/setters for values in the source
+    // database.  They are intended only for unit testing.
+    //
+    void set(const std::string &fn, const std::string &code, int sequence);
+    std::string get(const std::string &fn);
 };
 
 // The Lua 'makeclass' operator.