From 64bd557e75113743f179086b365ea7d97b72ee3e Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Thu, 12 Nov 2009 06:56:26 +0000
Subject: String port support.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@2255 a436a847-0d15-0410-975c-d299462d15a1
---
 src/engine/events/RequestMetadata.cpp | 13 ++++++++-----
 src/engine/events/RequestMetadata.hpp | 10 +++++-----
 src/engine/events/SendPortValue.hpp   | 21 +++++++++++----------
 src/engine/events/SetPortValue.cpp    | 24 +++++++++++++++++-------
 4 files changed, 41 insertions(+), 27 deletions(-)

(limited to 'src/engine/events')

diff --git a/src/engine/events/RequestMetadata.cpp b/src/engine/events/RequestMetadata.cpp
index 145260ef..e633ca10 100644
--- a/src/engine/events/RequestMetadata.cpp
+++ b/src/engine/events/RequestMetadata.cpp
@@ -25,6 +25,7 @@
 #include "PortImpl.hpp"
 #include "PluginImpl.hpp"
 #include "AudioBuffer.hpp"
+#include "StringBuffer.hpp"
 
 using namespace std;
 using namespace Raul;
@@ -36,11 +37,11 @@ using namespace Shared;
 
 
 RequestMetadata::RequestMetadata(Engine&              engine,
-	                                       SharedPtr<Responder> responder,
-	                                       SampleCount          timestamp,
-	                                       bool                 is_meta,
-	                                       const URI&           subject,
-	                                       const URI&           key)
+                                 SharedPtr<Responder> responder,
+                                 SampleCount          timestamp,
+                                 bool                 is_meta,
+                                 const URI&           subject,
+                                 const URI&           key)
 	: QueuedEvent(engine, responder, timestamp)
 	, _error(NO_ERROR)
 	, _special_type(NONE)
@@ -93,6 +94,8 @@ RequestMetadata::execute(ProcessContext& context)
 		if (port) {
 			if (port->type() == DataType::CONTROL || port->type() == DataType::AUDIO)
 				_value = ((AudioBuffer*)port->buffer(0))->value_at(0); // TODO: offset
+			else if (port->type() == DataType::STRING)
+				_value = (char*)((StringBuffer*)port->buffer(0))->data();
 		} else {
 			_resource = 0;
 		}
diff --git a/src/engine/events/RequestMetadata.hpp b/src/engine/events/RequestMetadata.hpp
index ba860aaf..0777c79a 100644
--- a/src/engine/events/RequestMetadata.hpp
+++ b/src/engine/events/RequestMetadata.hpp
@@ -45,11 +45,11 @@ class RequestMetadata : public QueuedEvent
 {
 public:
 	RequestMetadata(Engine&              engine,
-	                     SharedPtr<Responder> responder,
-	                     SampleCount          timestamp,
-	                     bool                 meta,
-	                     const Raul::URI&     subject,
-	                     const Raul::URI&     key);
+	                SharedPtr<Responder> responder,
+	                SampleCount          timestamp,
+	                bool                 meta,
+	                const Raul::URI&     subject,
+	                const Raul::URI&     key);
 
 	void pre_process();
 	void execute(ProcessContext& context);
diff --git a/src/engine/events/SendPortValue.hpp b/src/engine/events/SendPortValue.hpp
index d3ac61f7..b942398c 100644
--- a/src/engine/events/SendPortValue.hpp
+++ b/src/engine/events/SendPortValue.hpp
@@ -18,6 +18,7 @@
 #ifndef SENDPORTVALUEEVENT_H
 #define SENDPORTVALUEEVENT_H
 
+#include "raul/Atom.hpp"
 #include "engine/Event.hpp"
 #include "engine/types.hpp"
 
@@ -43,12 +44,12 @@ class SendPortValue : public Event
 {
 public:
 	inline SendPortValue(
-			Engine&     engine,
-			SampleCount timestamp,
-			PortImpl*   port,
-			bool        omni,
-			uint32_t    voice_num,
-			Sample      value)
+			Engine&           engine,
+			SampleCount       timestamp,
+			PortImpl*         port,
+			bool              omni,
+			uint32_t          voice_num,
+			const Raul::Atom& value)
 		: Event(engine, SharedPtr<Responder>(), timestamp)
 		, _port(port)
 		, _omni(omni)
@@ -67,10 +68,10 @@ public:
 	void post_process();
 
 private:
-	PortImpl* _port;
-	bool      _omni;
-	uint32_t  _voice_num;
-	Sample    _value;
+	PortImpl*  _port;
+	bool       _omni;
+	uint32_t   _voice_num;
+	Raul::Atom _value;
 };
 
 
diff --git a/src/engine/events/SetPortValue.cpp b/src/engine/events/SetPortValue.cpp
index eacf172b..1964880d 100644
--- a/src/engine/events/SetPortValue.cpp
+++ b/src/engine/events/SetPortValue.cpp
@@ -31,6 +31,7 @@
 #include "ProcessContext.hpp"
 #include "Responder.hpp"
 #include "SetPortValue.hpp"
+#include "StringBuffer.hpp"
 
 using namespace std;
 using namespace Raul;
@@ -169,21 +170,18 @@ SetPortValue::apply(uint32_t start, uint32_t nframes)
 			return;
 		}
 
-		EventBuffer* const ebuf = dynamic_cast<EventBuffer*>(buf);
-
 		const LV2Features::Feature* f = _engine.world()->lv2_features->feature(LV2_URI_MAP_URI);
 		LV2URIMap* map = (LV2URIMap*)f->controller;
 
-		// FIXME: eliminate lookups
-		// FIXME: need a proper prefix system
-		if (ebuf && _value.type() == Atom::BLOB) {
+		// TODO: eliminate lookups
+		EventBuffer* const ebuf = dynamic_cast<EventBuffer*>(buf);
+		if (ebuf) {
 			const uint32_t frames = std::max(
-					(uint32_t)(_time - start),
+					uint32_t(_time - start),
 					ebuf->latest_frames());
 
 			// Size 0 event, pass it along to the plugin as a typed but empty event
 			if (_value.data_size() == 0) {
-				cout << "BANG!" << endl;
 				const uint32_t type_id = map->uri_to_id(NULL, _value.get_blob_type());
 				ebuf->append(frames, 0, type_id, 0, NULL);
 				_port->raise_set_by_user_flag();
@@ -202,6 +200,18 @@ SetPortValue::apply(uint32_t start, uint32_t nframes)
 			}
 		}
 
+		StringBuffer* const sbuf = dynamic_cast<StringBuffer*>(buf);
+		if (sbuf) {
+			if (_value.type() != Atom::STRING) {
+				_error = TYPE_MISMATCH;
+				return;
+			}
+			strncpy(sbuf->data(), _value.get_string(),
+					std::min(sbuf->size(), strlen(_value.get_string())));
+			return;
+		}
+
+
 		if (_value.type() == Atom::BLOB)
 			cerr << "WARNING: Unknown value blob type " << _value.get_blob_type() << endl;
 		else
-- 
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