X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=internal%2Futil%2Flua.go;h=eda14981f1c31b344953a26ea702fa061b40d87c;hb=965e43ebf1319947a325f252000985fb0a586449;hp=3f0393d410e861dd2feb6b2b6e1006dfe6b608fa;hpb=e3ae38e54a71d7cb3ae663ac9ca9339c981b6dff;p=micro.git

diff --git a/internal/util/lua.go b/internal/util/lua.go
index 3f0393d4..eda14981 100644
--- a/internal/util/lua.go
+++ b/internal/util/lua.go
@@ -1,13 +1,11 @@
 package util
 
-import (
-	"unicode/utf8"
-)
-
+// LuaRuneAt is a helper function for lua plugins to return the rune
+// at an index within a string
 func LuaRuneAt(str string, runeidx int) string {
 	i := 0
 	for len(str) > 0 {
-		r, size := utf8.DecodeRuneInString(str)
+		r, _, size := DecodeCharacterInString(str)
 
 		str = str[size:]
 
@@ -20,10 +18,11 @@ func LuaRuneAt(str string, runeidx int) string {
 	return ""
 }
 
+// LuaGetLeadingWhitespace returns the leading whitespace of a string (used by lua plugins)
 func LuaGetLeadingWhitespace(s string) string {
 	ws := []byte{}
 	for len(s) > 0 {
-		r, size := utf8.DecodeRuneInString(s)
+		r, _, size := DecodeCharacterInString(s)
 		if r == ' ' || r == '\t' {
 			ws = append(ws, byte(r))
 		} else {
@@ -35,7 +34,8 @@ func LuaGetLeadingWhitespace(s string) string {
 	return string(ws)
 }
 
+// LuaIsWordChar returns true if the first rune in a string is a word character
 func LuaIsWordChar(s string) bool {
-	r, _ := utf8.DecodeRuneInString(s)
+	r, _, _ := DecodeCharacterInString(s)
 	return IsWordChar(r)
 }