From 20d28e80a5c861a9d5f449ea911ab75b4f37ad0d Mon Sep 17 00:00:00 2001
From: Jef <jef@targetspot.com>
Date: Tue, 24 Sep 2024 14:54:57 +0200
Subject: Initial community commit

---
 Src/Plugins/Input/in_wave/VirtualIO.cpp | 98 +++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 Src/Plugins/Input/in_wave/VirtualIO.cpp

(limited to 'Src/Plugins/Input/in_wave/VirtualIO.cpp')

diff --git a/Src/Plugins/Input/in_wave/VirtualIO.cpp b/Src/Plugins/Input/in_wave/VirtualIO.cpp
new file mode 100644
index 00000000..b09c2523
--- /dev/null
+++ b/Src/Plugins/Input/in_wave/VirtualIO.cpp
@@ -0,0 +1,98 @@
+#include "VirtualIO.h"
+#include "api__in_wave.h"
+#include <api/service/waservicefactory.h>
+#include "../nu/AutoWide.h"
+#include <assert.h>
+#include <windows.h>
+
+// TODO: extend this to use api_filereader
+// instead of just the HTTP reader directly
+// then we could use this is a workaround for unicode filenames
+
+sf_count_t VirtualGetFileLength( void *user_data )
+{
+	svc_fileReader *reader = (svc_fileReader *)user_data;
+
+	return reader->getLength();
+}
+
+sf_count_t VirtualSeek( sf_count_t offset, int whence, void *user_data )
+{
+	svc_fileReader *reader = (svc_fileReader *)user_data;
+	switch ( whence )
+	{
+		case SEEK_SET:
+			reader->seek( offset );
+			break;
+		case SEEK_CUR:
+		{
+			uint64_t cur = reader->getPos();
+			reader->seek( offset + cur );
+		}
+		break;
+		case SEEK_END:
+		{
+			uint64_t total = reader->getLength();
+			reader->seek( total + offset );
+		}
+		break;
+
+	}
+
+	return reader->getPos();
+}
+
+sf_count_t VirtualRead( void *ptr, sf_count_t count, void *user_data )
+{
+	svc_fileReader *reader = (svc_fileReader *)user_data;
+
+	return reader->read( (int8_t *)ptr, (size_t)count );
+}
+
+sf_count_t VirtualWrite( const void *ptr, sf_count_t count, void *user_data )
+{
+	svc_fileReader *reader = (svc_fileReader *)user_data;
+
+	return reader->write( (int8_t *)ptr, (size_t)count );
+}
+
+sf_count_t VirtualTell( void *user_data )
+{
+	svc_fileReader *reader = (svc_fileReader *)user_data;
+
+	return reader->getPos();
+}
+
+SF_VIRTUAL_IO httpIO =
+{
+	VirtualGetFileLength,
+	VirtualSeek,
+	VirtualRead,
+	VirtualWrite,
+	VirtualTell
+};
+
+static const GUID HTTPReaderGUID = 
+{ 0xbc10fa00, 0x53f5, 0x4032, { 0xa0, 0x09, 0x2, 0x2b, 0x87, 0xec, 0x34, 0x04 } };
+
+void *CreateReader( const wchar_t *url )
+{
+	static waServiceFactory *sf = WASABI_API_SVC->service_getServiceByGuid( HTTPReaderGUID );
+	if ( sf )
+	{
+		svc_fileReader *l_reader = (svc_fileReader *)sf->getInterface();
+		if ( l_reader )
+			l_reader->open( url );
+
+		return l_reader;
+	}
+	else
+		return 0;
+}
+
+void DestroyReader( void *reader )
+{
+	static waServiceFactory *sf = WASABI_API_SVC->service_getServiceByGuid( HTTPReaderGUID );
+	if ( sf )
+		sf->releaseInterface( reader );
+}
\ No newline at end of file
-- 
cgit