vis: introduce vis_textobject API

2 files changed, 39 insertions, 32 deletions

diff --git a/vis.c b/vis.c
index 514d0d1..cc2514c 100644
--- a/vis.c
+++ b/vis.c
@@ -166,36 +166,6 @@ static Movement moves[] = {
 	[MOVE_WINDOW_LINE_BOTTOM]  = { .view = view_lines_bottom,      .type = LINEWISE|JUMP|IDEMPOTENT },
 };
 
-/* these can be passed as int argument to textobj(&(const Arg){ .i = TEXT_OBJ_* }) */
-enum {
-	TEXT_OBJ_INNER_WORD,
-	TEXT_OBJ_OUTER_WORD,
-	TEXT_OBJ_INNER_LONGWORD,
-	TEXT_OBJ_OUTER_LONGWORD,
-	TEXT_OBJ_SENTENCE,
-	TEXT_OBJ_PARAGRAPH,
-	TEXT_OBJ_OUTER_SQUARE_BRACKET,
-	TEXT_OBJ_INNER_SQUARE_BRACKET,
-	TEXT_OBJ_OUTER_CURLY_BRACKET,
-	TEXT_OBJ_INNER_CURLY_BRACKET,
-	TEXT_OBJ_OUTER_ANGLE_BRACKET,
-	TEXT_OBJ_INNER_ANGLE_BRACKET,
-	TEXT_OBJ_OUTER_PARANTHESE,
-	TEXT_OBJ_INNER_PARANTHESE,
-	TEXT_OBJ_OUTER_QUOTE,
-	TEXT_OBJ_INNER_QUOTE,
-	TEXT_OBJ_OUTER_SINGLE_QUOTE,
-	TEXT_OBJ_INNER_SINGLE_QUOTE,
-	TEXT_OBJ_OUTER_BACKTICK,
-	TEXT_OBJ_INNER_BACKTICK,
-	TEXT_OBJ_OUTER_ENTIRE,
-	TEXT_OBJ_INNER_ENTIRE,
-	TEXT_OBJ_OUTER_FUNCTION,
-	TEXT_OBJ_INNER_FUNCTION,
-	TEXT_OBJ_OUTER_LINE,
-	TEXT_OBJ_INNER_LINE,
-};
-
 static TextObject textobjs[] = {
 	[TEXT_OBJ_INNER_WORD]           = { text_object_word                  },
 	[TEXT_OBJ_OUTER_WORD]           = { text_object_word_outer            },
@@ -947,8 +917,7 @@ static const char *movement(Vis *vis, const char *keys, const Arg *arg) {
 }
 
 static const char *textobj(Vis *vis, const char *keys, const Arg *arg) {
-	vis->action.textobj = &textobjs[arg->i];
-	action_do(vis, &vis->action);
+	vis_textobject(vis, arg->i);
 	return keys;
 }
 
@@ -2824,3 +2793,10 @@ out:
 	va_end(ap);
 
 }
+
+void vis_textobject(Vis *vis, enum VisTextObject textobj) {
+	if (textobj < LENGTH(textobjs)) {
+		vis->action.textobj = &textobjs[textobj];
+		action_do(vis, &vis->action);
+	}
+}
diff --git a/vis.h b/vis.h
index 2f078b2..26a0336 100644
--- a/vis.h
+++ b/vis.h
@@ -106,6 +106,37 @@ enum VisMotion {
 
 void vis_motion(Vis*, enum VisMotion, ...);
 
+enum VisTextObject {
+	TEXT_OBJ_INNER_WORD,
+	TEXT_OBJ_OUTER_WORD,
+	TEXT_OBJ_INNER_LONGWORD,
+	TEXT_OBJ_OUTER_LONGWORD,
+	TEXT_OBJ_SENTENCE,
+	TEXT_OBJ_PARAGRAPH,
+	TEXT_OBJ_OUTER_SQUARE_BRACKET,
+	TEXT_OBJ_INNER_SQUARE_BRACKET,
+	TEXT_OBJ_OUTER_CURLY_BRACKET,
+	TEXT_OBJ_INNER_CURLY_BRACKET,
+	TEXT_OBJ_OUTER_ANGLE_BRACKET,
+	TEXT_OBJ_INNER_ANGLE_BRACKET,
+	TEXT_OBJ_OUTER_PARANTHESE,
+	TEXT_OBJ_INNER_PARANTHESE,
+	TEXT_OBJ_OUTER_QUOTE,
+	TEXT_OBJ_INNER_QUOTE,
+	TEXT_OBJ_OUTER_SINGLE_QUOTE,
+	TEXT_OBJ_INNER_SINGLE_QUOTE,
+	TEXT_OBJ_OUTER_BACKTICK,
+	TEXT_OBJ_INNER_BACKTICK,
+	TEXT_OBJ_OUTER_ENTIRE,
+	TEXT_OBJ_INNER_ENTIRE,
+	TEXT_OBJ_OUTER_FUNCTION,
+	TEXT_OBJ_INNER_FUNCTION,
+	TEXT_OBJ_OUTER_LINE,
+	TEXT_OBJ_INNER_LINE,
+};
+
+void vis_textobject(Vis*, enum VisTextObject);
+
 bool vis_signal_handler(Vis*, int signum, const siginfo_t *siginfo,
 	const void *context);