vis-lua: expose vis:textobject(id)

hhy5277 · Feb 18, 2016 · 55e2857 · 55e2857
1 parent b3862a3
commit 55e2857
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Showing 3 changed files with 12 additions and 2 deletions.
diff --git a/vis-lua.c b/vis-lua.c
@@ -397,6 +397,13 @@ static int motion_register(lua_State *L) {
 	return 1;
 }
 
+static int textobject(lua_State *L) {
+	Vis *vis = obj_ref_check(L, 1, "vis");
+	enum VisTextObject id = luaL_checkunsigned(L, 2);
+	lua_pushboolean(L, vis && vis_textobject(vis, id));
+	return 1;
+}
+
 static int vis_index(lua_State *L) {
 	Vis *vis = obj_ref_check(L, 1, "vis");
 	if (!vis) {
@@ -461,6 +468,7 @@ static const struct luaL_Reg vis_lua[] = {
 	{ "map", map },
 	{ "motion", motion },
 	{ "motion_register", motion_register },
+	{ "textobject", textobject },
 	{ "__index", vis_index },
 	{ "__newindex", vis_newindex },
 	{ NULL, NULL },

diff --git a/vis-text-objects.c b/vis-text-objects.c
@@ -2,11 +2,13 @@
 #include "text-objects.h"
 #include "util.h"
 
-void vis_textobject(Vis *vis, enum VisTextObject id) {
+bool vis_textobject(Vis *vis, enum VisTextObject id) {
 	if (id < LENGTH(vis_textobjects)) {
 		vis->action.textobj = &vis_textobjects[id];
 		action_do(vis, &vis->action);
+		return true;
 	}
+	return false;
 }
 
 static Filerange search_forward(Vis *vis, Text *txt, size_t pos) {

diff --git a/vis.h b/vis.h
@@ -315,7 +315,7 @@ enum VisTextObject {
 	VIS_TEXTOBJECT_INVALID,
 };
 
-void vis_textobject(Vis*, enum VisTextObject);
+bool vis_textobject(Vis*, enum VisTextObject);
 
 /* macro REPEAT and INVALID should be considered as implementation details (TODO: hide them?) */
 enum VisMacro {