1 files changed, 51 insertions, 0 deletions
diff --git a/src/protocols.hh b/src/protocols.hh
new file mode 100644
index 0000000..8f3da0e
--- /dev/null
+++ b/src/protocols.hh
@@ -0,0 +1,51 @@
+// -*- mode: c++; c-basic-offset: 2; -*-
+
+#ifndef PROTOCOLS_HH
+#define PROTOCOLS_HH
+
+#include <memory>
+#include <ostream>
+#include <stddef.h>
+
+class AttributedText;
+class Looper;
+
+class Protocols {
+public:
+  class Listener {
+  public:
+    virtual ~Listener() {}
+
+    virtual void text(Protocols* protocols,
+                      size_t id, std::string const& protocol,
+                      std::unique_ptr<AttributedText>&& text) = 0;
+    virtual void content(Protocols* protocols, size_t id,
+                         std::string const& protocol, std::ostream* out) = 0;
+
+  protected:
+    Listener() {}
+  };
+
+  virtual ~Protocols() {}
+
+  static Protocols* create(size_t workers, size_t buffer, size_t cache,
+                           Looper* looper, Listener* listener);
+
+  virtual void clear() = 0;
+
+  virtual void add(size_t id, void const* data, size_t size) = 0;
+  virtual void update(size_t id, void const* data, size_t size) = 0;
+  virtual void remove(size_t id) = 0;
+
+  virtual void text(size_t id) = 0;
+  virtual void free(size_t id, std::unique_ptr<AttributedText>&& text) = 0;
+
+  virtual void content(size_t id, std::ostream* out) = 0;
+
+protected:
+  Protocols() {}
+  Protocols(Protocols const&) = delete;
+  Protocols& operator=(Protocols const&) = delete;
+};
+
+#endif  // PROTOCOLS_HH