save the state for the undo plugin test

free-audio · Sep 17, 2024 · 02933b2 · 02933b2
1 parent 6bc4f1a
commit 02933b2
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Showing 4 changed files with 29 additions and 0 deletions.
diff --git a/plugins/core-plugin.cc b/plugins/core-plugin.cc
@@ -119,6 +119,9 @@ namespace clap {
  ClapOStream os(stream);
  yas::binary_oarchive ar(os);
  ar & _parameters;
+
+ std::vector<uint8_t> extra = stateSaveExtra();
+ ar & extra;
  } catch (...) {
  return false;
  }
@@ -138,6 +141,11 @@ namespace clap {
 #endif
  yas::binary_iarchive ar(is);
  ar & _parameters;
+
+ std::vector<uint8_t> extra;
+ ar & extra;
+ if (!stateLoadExtra(extra))
+ return false;
  } catch (...) {
  return false;
  }

diff --git a/plugins/core-plugin.hh b/plugins/core-plugin.hh
@@ -3,6 +3,9 @@
 #include <memory>
 #include <optional>
 
+#include <yas/binary_iarchive.hpp>
+#include <yas/binary_oarchive.hpp>
+
 #include <clap/helpers/param-queue.hh>
 #include <clap/helpers/plugin.hh>
 #include <clap/helpers/reducing-param-queue.hxx>
@@ -148,6 +151,9 @@ namespace clap {
  bool stateSave(const clap_ostream *stream) noexcept override;
  bool stateLoad(const clap_istream *stream) noexcept override;
 
+ virtual std::vector<uint8_t> stateSaveExtra() noexcept { return {}; }
+ virtual bool stateLoadExtra(const std::vector<uint8_t>& data) noexcept { return true; }
+
 #ifndef CLAP_PLUGINS_HEADLESS
  //-----------------//
  // clap_plugin_gui //

diff --git a/plugins/plugs/undo-test/undo-test.cc b/plugins/plugs/undo-test/undo-test.cc
@@ -132,4 +132,16 @@ namespace clap {
  super::onGuiInvoke(method, args);
  }
 #endif
+
+ std::vector<uint8_t> UndoTest::stateSaveExtra() noexcept {
+ return std::vector<uint8_t>((const uint8_t *)&_state, (const uint8_t *)(&_state + 1));
+ }
+
+ bool UndoTest::stateLoadExtra(const std::vector<uint8_t> &data) noexcept {
+ if (data.size() != sizeof(_state))
+ return false;
+ _state = *(const uint32_t *)data.data();
+ return true;
+ }
+
 } // namespace clap
diff --git a/plugins/plugs/undo-test/undo-test.hh b/plugins/plugs/undo-test/undo-test.hh
@@ -17,6 +17,9 @@ namespace clap {
 
  bool init() noexcept override;
 
+ std::vector<uint8_t> stateSaveExtra() noexcept override;
+ bool stateLoadExtra(const std::vector<uint8_t> &data) noexcept override;
+
  bool implementsUndo() const noexcept override;
  void undoGetDeltaProperties(clap_undo_delta_properties_t *properties) noexcept override;
  bool undoCanUseDeltaFormatVersion(clap_id format_version) noexcept override;