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util.go
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/
util.go
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package govarnam
import (
"os"
"unicode/utf8"
)
func getFirstCharacter(input string) (string, int) {
r, size := utf8.DecodeRuneInString(input)
if r == utf8.RuneError && (size == 0 || size == 1) {
size = 0
}
return input[0:size], size
}
func getLastCharacter(input string) (string, int) {
r, size := utf8.DecodeLastRuneInString(input)
if r == utf8.RuneError && (size == 0 || size == 1) {
size = 0
}
return input[len(input)-size:], size
}
func (varnam *Varnam) removeLastVirama(input string) string {
char, size := getLastCharacter(input)
if char == varnam.LangRules.Virama {
return input[0 : len(input)-size]
}
return input
}
func fileExists(filename string) bool {
info, err := os.Stat(filename)
if os.IsNotExist(err) {
return false
}
return !info.IsDir()
}
func dirExists(loc string) bool {
info, err := os.Stat(loc)
if os.IsNotExist(err) {
return false
}
return info.IsDir()
}