Add IDocumentEditable interface for efficient interaction with document objects.

1 files changed, 13 insertions, 0 deletions

diff --git a/include/ILoader.h b/include/ILoader.h
index 2fa69f527..5d2eb2571 100644
--- a/include/ILoader.h
+++ b/include/ILoader.h
@@ -1,6 +1,7 @@
 // Scintilla source code edit control
 /** @file ILoader.h
  ** Interface for loading into a Scintilla document from a background thread.
+ ** Interface for manipulating a document without a view.
  **/
 // Copyright 1998-2017 by Neil Hodgson <neilh@scintilla.org>
 // The License.txt file describes the conditions under which this software may be distributed.
@@ -20,6 +21,18 @@ public:
 	virtual void * SCI_METHOD ConvertToDocument() = 0;
 };
 
+static constexpr int deRelease0 = 0;
+
+class IDocumentEditable {
+public:
+	// Allow this interface to add methods over time and discover whether new methods available.
+	virtual int SCI_METHOD DEVersion() const noexcept = 0;
+
+	// Lifetime control
+	virtual int SCI_METHOD AddRef() noexcept = 0;
+	virtual int SCI_METHOD Release() = 0;
+};
+
 }
 
 #endif