AGS: Initial addition of engine/ and shared/ folders

engines/ags/engine/debugging/filebasedagsdebugger.cpp

@@ -0,0 +1,77 @@
+//=============================================================================
+//
+// Adventure Game Studio (AGS)
+//
+// Copyright (C) 1999-2011 Chris Jones and 2011-20xx others
+// The full list of copyright holders can be found in the Copyright.txt
+// file, which is part of this source code distribution.
+//
+// The AGS source code is provided under the Artistic License 2.0.
+// A copy of this license can be found in the file License.txt and at
+// http://www.opensource.org/licenses/artistic-license-2.0.php
+//
+//=============================================================================
+
+#include <cstdio>
+#include "debug/filebasedagsdebugger.h"
+#include "ac/file.h"                    // filelength()
+#include "util/stream.h"
+#include "util/textstreamwriter.h"
+#include "util/wgt2allg.h"              // exists()
+#include "platform/base/agsplatformdriver.h"
+
+using AGS::Common::Stream;
+using AGS::Common::TextStreamWriter;
+
+const char* SENT_MESSAGE_FILE_NAME = "dbgrecv.tmp";
+
+bool FileBasedAGSDebugger::Initialize()
+{
+    if (exists(SENT_MESSAGE_FILE_NAME))
+    {
+        ::remove(SENT_MESSAGE_FILE_NAME);
+    }
+    return true;
+}
+
+void FileBasedAGSDebugger::Shutdown()
+{
+}
+
+bool FileBasedAGSDebugger::SendMessageToEditor(const char *message) 
+{
+    while (exists(SENT_MESSAGE_FILE_NAME))
+    {
+        platform->YieldCPU();
+    }
+
+    Stream *out = Common::File::CreateFile(SENT_MESSAGE_FILE_NAME);
+    // CHECKME: originally the file was opened as "wb" for some reason,
+    // which means the message should be written as a binary array;
+    // or shouldn't it?
+    out->Write(message, strlen(message));
+    delete out;
+    return true;
+}
+
+bool FileBasedAGSDebugger::IsMessageAvailable()
+{
+    return (exists("dbgsend.tmp") != 0);
+}
+
+char* FileBasedAGSDebugger::GetNextMessage()
+{
+    Stream *in = Common::File::OpenFileRead("dbgsend.tmp");
+    if (in == nullptr)
+    {
+        // check again, because the editor might have deleted the file in the meantime
+        return nullptr;
+    }
+    int fileSize = in->GetLength();
+    char *msg = (char*)malloc(fileSize + 1);
+    in->Read(msg, fileSize);
+    delete in;
+    ::remove("dbgsend.tmp");
+    msg[fileSize] = 0;
+    return msg;
+}