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Final touches for combining character support

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This commit is contained in:
Zachary Yedidia
2020-05-20 17:00:56 -04:00
parent 79c0ea17ad
commit ff0683d6d0
5 changed files with 128 additions and 18 deletions
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10
internal/util/lua.go
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@@ -1,15 +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:]
@@ -26,7 +22,7 @@ func LuaRuneAt(str string, runeidx int) string {
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 {
@@ -40,6 +36,6 @@ func LuaGetLeadingWhitespace(s string) string {
// 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)
}