casnode/util/string.go

82 lines
1.7 KiB
Go

// Copyright 2020 The casbin Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package util
import (
"io/ioutil"
"regexp"
"strconv"
"github.com/huichen/sego"
"github.com/mozillazg/go-slugify"
)
func ParseInt(s string) int {
i, err := strconv.Atoi(s)
if err != nil {
panic(err)
}
return i
}
func IntToString(i int) string {
return strconv.Itoa(i)
}
func IsValidUsername(username string) bool {
if ok, _ := regexp.MatchString("^[a-zA-Z0-9_]{4,20}$", username); !ok {
return false
}
return true
}
func ReadStringFromPath(path string) string {
data, err := ioutil.ReadFile(path)
if err != nil {
panic(err)
}
return string(data)
}
func WriteStringToPath(s string, path string) {
err := ioutil.WriteFile(path, []byte(s), 0644)
if err != nil {
panic(err)
}
}
var Segmenter sego.Segmenter
func InitSegmenter() {
// load dictionary
Segmenter.LoadDictionary("dictionary/dictionary.txt")
}
// SplitWords split string into single words.
func SplitWords(str string) []string {
if Segmenter.Dictionary() != nil {
var res []string
res = sego.SegmentsToSlice(Segmenter.Segment([]byte(str)), true)
return res
}
return []string{}
}
func ConvertToPinyin(content string) string {
return slugify.Slugify(content)
}