Implement all event types

meson.build

@@ -79,6 +79,7 @@ vst3_plugin_sources = [
   'src/common/logging/vst3.cpp',
   'src/common/serialization/vst3/base.cpp',
   'src/common/serialization/vst3/component.cpp',
+  'src/common/serialization/vst3/event-list.cpp',
   'src/common/serialization/vst3/host-application.cpp',
   'src/common/serialization/vst3/param-value-queue.cpp',
   'src/common/serialization/vst3/parameter-changes.cpp',
@@ -116,6 +117,7 @@ if with_vst3
     'src/common/logging/vst3.cpp',
     'src/common/serialization/vst3/base.cpp',
     'src/common/serialization/vst3/component.cpp',
+    'src/common/serialization/vst3/event-list.cpp',
     'src/common/serialization/vst3/host-application.cpp',
     'src/common/serialization/vst3/param-value-queue.cpp',
     'src/common/serialization/vst3/parameter-changes.cpp',

src/common/serialization/vst3/base.cpp

@@ -19,7 +19,7 @@
 
 #include "base.h"
 
-std::u16string tchar_string_to_u16string(const Steinberg::Vst::TChar* string) {
+std::u16string tchar_pointer_to_u16string(const Steinberg::Vst::TChar* string) {
 #ifdef __WINE__
     // This is great, thanks Steinberg
     static_assert(sizeof(Steinberg::Vst::TChar) == sizeof(char16_t));
@@ -29,6 +29,26 @@ std::u16string tchar_string_to_u16string(const Steinberg::Vst::TChar* string) {
 #endif
 }
 
+std::u16string tchar_pointer_to_u16string(const Steinberg::Vst::TChar* string,
+                                          uint32 length) {
+#ifdef __WINE__
+    static_assert(sizeof(Steinberg::Vst::TChar) == sizeof(char16_t));
+    return std::u16string(reinterpret_cast<const char16_t*>(string), length);
+#else
+    return std::u16string(static_cast<const char16_t*>(string), length);
+#endif
+}
+
+const Steinberg::Vst::TChar* u16string_to_tchar_pointer(
+    const std::u16string& string) {
+#ifdef __WINE__
+    static_assert(sizeof(Steinberg::Vst::TChar) == sizeof(char16_t));
+    return reinterpret_cast<const Steinberg::Vst::TChar*>(string.c_str());
+#else
+    return static_cast<const Steinberg::Vst::TChar*>(string.c_str());
+#endif
+}
+
 UniversalTResult::UniversalTResult() : universal_result(Value::kResultFalse) {}
 
 UniversalTResult::UniversalTResult(tresult native_result)

src/common/serialization/vst3/base.h

@@ -29,8 +29,8 @@
 // we'll need for all of our interfaces
 
 using Steinberg::TBool, Steinberg::int8, Steinberg::int16, Steinberg::int32,
-    Steinberg::int64, Steinberg::uint8, Steinberg::uint32, Steinberg::uint64,
+    Steinberg::int64, Steinberg::uint8, Steinberg::uint16, Steinberg::uint32,
-    Steinberg::tresult;
+    Steinberg::uint64, Steinberg::tresult;
 
 /**
  * Both `TUID` (`int8_t[16]`) and `FIDString` (`char*`) are hard to work with
@@ -57,7 +57,21 @@ constexpr size_t max_vector_stream_size = 50 << 20;
  * Convert a UTF-16 C-style string to an `std::u16string`. Who event invented
  * UTF-16?
  */
-std::u16string tchar_string_to_u16string(const Steinberg::Vst::TChar* string);
+std::u16string tchar_pointer_to_u16string(const Steinberg::Vst::TChar* string);
+
+/**
+ * Same as the above, but with a fixed string length.
+ *
+ * @overload
+ */
+std::u16string tchar_pointer_to_u16string(const Steinberg::Vst::TChar* string,
+                                          uint32 length);
+
+/**
+ * Convert an `std::u16string` back to a null terminated `TChar*` string.
+ */
+const Steinberg::Vst::TChar* u16string_to_tchar_pointer(
+    const std::u16string& string);
 
 /**
  * Empty struct for when we have send a response to some operation without any

src/common/serialization/vst3/event-list.cpp

@@ -0,0 +1,72 @@
+// yabridge: a Wine VST bridge
+// Copyright (C) 2020  Robbert van der Helm
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "event-list.h"
+
+YaDataEvent::YaDataEvent() {}
+
+YaDataEvent::YaDataEvent(const Steinberg::Vst::DataEvent& event)
+    : type(event.type), buffer(event.bytes, event.bytes + event.size) {}
+
+Steinberg::Vst::DataEvent YaDataEvent::get() const {
+    return Steinberg::Vst::DataEvent{.size = static_cast<uint32>(buffer.size()),
+                                     .type = type,
+                                     .bytes = buffer.data()};
+}
+
+YaNoteExpressionTextEvent::YaNoteExpressionTextEvent() {}
+
+YaNoteExpressionTextEvent::YaNoteExpressionTextEvent(
+    const Steinberg::Vst::NoteExpressionTextEvent& event)
+    : type_id(event.typeId),
+      note_id(event.noteId),
+      text(tchar_pointer_to_u16string(event.text, event.textLen)) {}
+
+Steinberg::Vst::NoteExpressionTextEvent YaNoteExpressionTextEvent::get() const {
+    return Steinberg::Vst::NoteExpressionTextEvent{
+        .typeId = type_id,
+        .noteId = note_id,
+        .textLen = static_cast<uint32>(text.size()),
+        .text = u16string_to_tchar_pointer(text)};
+}
+
+YaChordEvent::YaChordEvent() {}
+
+YaChordEvent::YaChordEvent(const Steinberg::Vst::ChordEvent& event)
+    : root(event.root),
+      bass_note(event.bassNote),
+      text(tchar_pointer_to_u16string(event.text, event.textLen)) {}
+
+Steinberg::Vst::ChordEvent YaChordEvent::get() const {
+    return Steinberg::Vst::ChordEvent{
+        .root = root,
+        .bassNote = bass_note,
+        .textLen = static_cast<uint16>(text.size()),
+        .text = u16string_to_tchar_pointer(text)};
+}
+
+YaScaleEvent::YaScaleEvent() {}
+
+YaScaleEvent::YaScaleEvent(const Steinberg::Vst::ScaleEvent& event)
+    : root(event.root),
+      text(tchar_pointer_to_u16string(event.text, event.textLen)) {}
+
+Steinberg::Vst::ScaleEvent YaScaleEvent::get() const {
+    return Steinberg::Vst::ScaleEvent{
+        .root = root,
+        .textLen = static_cast<uint16>(text.size()),
+        .text = u16string_to_tchar_pointer(text)};
+}

src/common/serialization/vst3/event-list.h

@@ -45,12 +45,12 @@ struct YaDataEvent {
     Steinberg::Vst::DataEvent get() const;
 
     uint32 type;
-    std::vector<uint8> data;
+    std::vector<uint8> buffer;
 
     template <typename S>
     void serialize(S& s) {
         s.value4b(type);
-        s.container1b(data, 1 << 16);
+        s.container1b(buffer, 1 << 16);
     }
 };
 

src/common/serialization/vst3/host-application.cpp

@@ -24,7 +24,7 @@ YaHostApplication::ConstructArgs::ConstructArgs(
     : component_instance_id(component_instance_id) {
     Steinberg::Vst::String128 name_array;
     if (context->getName(name_array) == Steinberg::kResultOk) {
-        name = tchar_string_to_u16string(name_array);
+        name = tchar_pointer_to_u16string(name_array);
     }
 }