From f5a362cc8a6e187c33f45c502ffdddc183d311f5 Mon Sep 17 00:00:00 2001
From: June McEnroe <june@causal.agency>
Date: Sat, 12 Mar 2022 20:08:21 -0500
Subject: Implement $, 0, A, I, a

---
 edit.c | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/edit.c b/edit.c
index 67c35b9..15188a6 100644
--- a/edit.c
+++ b/edit.c
@@ -256,12 +256,17 @@ static int viCommand(struct Edit *e, wchar_t ch) {
 		e->vi.count += ch - L'0';
 		return 0;
 	}
+	e->vi.verb = ch;
 	switch (ch) {
 		break; case Esc: viEscape(e);
+		break; case L'$': if (e->len) e->pos = e->len - 1; viEscape(e);
 		break; case L'0': e->pos = 0; viEscape(e);
-		break; case L'R': e->vi.verb = 'R'; e->vi.mode = Insert;
-		break; case L'i': e->vi.verb = 'i'; e->vi.mode = Insert;
-		break; case L'r': e->vi.verb = 'r'; e->vi.mode = Insert;
+		break; case L'A': e->pos = e->len; e->vi.mode = Insert;
+		break; case L'I': e->pos = 0; e->vi.mode = Insert;
+		break; case L'R': e->vi.mode = Insert;
+		break; case L'a': if (e->len) e->pos++; e->vi.mode = Insert;
+		break; case L'i': e->vi.mode = Insert;
+		break; case L'r': e->vi.mode = Insert;
 	}
 	return 0;
 }
@@ -393,6 +398,17 @@ int main(void) {
 	editVi(&e, Esc);
 	assert(eq(&e, "fo\0bo"));
 
+	fix(&e, "foo");
+	vi(&e, "\33I");
+	assert(e.vi.mode == Insert);
+	assert(eq(&e, "\0foo"));
+	vi(&e, "\33A");
+	assert(e.vi.mode == Insert);
+	assert(eq(&e, "foo\0"));
+	vi(&e, "\33a");
+	assert(e.vi.mode == Insert);
+	assert(eq(&e, "foo\0"));
+
 	fix(&e, "foo bar");
 	editVi(&e, Erase);
 	assert(eq(&e, "foo ba\0"));
@@ -417,6 +433,12 @@ int main(void) {
 	assert(eq(&e, "y\0yo"));
 	vi(&e, "3rz");
 	assert(eq(&e, "yz\0z"));
+
+	fix(&e, "foo bar");
+	vi(&e, "\0330");
+	assert(eq(&e, "\0foo bar"));
+	vi(&e, "$");
+	assert(eq(&e, "foo ba\0r"));
 }
 
 #endif /* TEST */
-- 
cgit 1.4.1