From 5166e81e794c0faa80742ad6806745b13b967a51 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Sun, 19 Mar 2017 14:05:32 +0100
Subject: vis: add infrastructure for user specified operators

---
 vis.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'vis.h')

diff --git a/vis.h b/vis.h
index 913a503..6c6e0fe 100644
--- a/vis.h
+++ b/vis.h
@@ -224,6 +224,7 @@ enum VisOperator {
 	VIS_OP_PUT_AFTER_END,
 	VIS_OP_PUT_BEFORE,
 	VIS_OP_PUT_BEFORE_END,
+	VIS_OP_LAST, /* has to be last enum member */
 };
 
 /* set operator to execute, has immediate effect if
@@ -242,6 +243,10 @@ enum VisOperator {
  */
 bool vis_operator(Vis*, enum VisOperator, ...);
 
+typedef struct OperatorContext OperatorContext;
+typedef size_t (VisOperatorFunction)(Vis*, Text*, OperatorContext*);
+int vis_operator_register(Vis*, VisOperatorFunction*, void *context);
+
 enum VisMotion {
 	VIS_MOVE_LINE_DOWN,
 	VIS_MOVE_LINE_UP,
-- 
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