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str_is.go
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str_is.go
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package filter
import (
"encoding/json"
"net"
"net/url"
"strconv"
"strings"
"unicode"
)
// Equal 与指定的字符串相等
func (self *Str) Equal(str string, customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
if self.currentValue != str {
self.err = wrapError(self.name, "", customError...)
}
return self
}
// IsBool 布尔值
func (self *Str) IsBool(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
if _, err := strconv.ParseBool(self.currentValue); err != nil {
self.err = wrapError(self.name, "", customError...)
}
return self
}
// IsLower 小写字母
func (self *Str) IsLower(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
for _, v := range self.currentValue {
if !unicode.IsLower(v) {
self.err = wrapError(self.name, "", customError...)
return self
}
}
return self
}
// IsUpper 大写字母
func (self *Str) IsUpper(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
for _, v := range self.currentValue {
if !unicode.IsUpper(v) {
self.err = wrapError(self.name, "", customError...)
return self
}
}
return self
}
// IsLetter 大小写字母
func (self *Str) IsLetter(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
for _, v := range self.currentValue {
if !unicode.IsLetter(v) {
self.err = wrapError(self.name, "", customError...)
return self
}
}
return self
}
// IsDigit 无符号数字
func (self *Str) IsDigit(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
for _, v := range self.currentValue {
if !unicode.IsDigit(v) {
self.err = wrapError(self.name, "", customError...)
return self
}
}
return self
}
// IsLowerOrDigit 小写字母或数字
func (self *Str) IsLowerOrDigit(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
for _, v := range self.currentValue {
if !unicode.IsLower(v) && !unicode.IsDigit(v) {
self.err = wrapError(self.name, "", customError...)
return self
}
}
return self
}
// IsUpperOrDigit 大写字母或数字
func (self *Str) IsUpperOrDigit(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
for _, v := range self.currentValue {
if !unicode.IsUpper(v) && !unicode.IsDigit(v) {
self.err = wrapError(self.name, "", customError...)
return self
}
}
return self
}
// IsLetterOrDigit 字母或数字
func (self *Str) IsLetterOrDigit(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
for _, v := range self.currentValue {
if !unicode.IsLetter(v) && !unicode.IsDigit(v) {
self.err = wrapError(self.name, "", customError...)
return self
}
}
return self
}
// IsChinese 汉字
func (self *Str) IsChinese(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
for _, v := range self.currentValue {
if !unicode.Is(unicode.Scripts["Han"], v) {
self.err = wrapError(self.name, "", customError...)
return self
}
}
return self
}
// IsChinaTel 中国固定电话号码
func (self *Str) IsChinaTel(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
telSlice := strings.Split(self.currentValue, "-")
if len(telSlice) != 2 {
self.err = wrapError(self.name, "", customError...)
return self
}
regionCode, err := strconv.Atoi(telSlice[0])
if err != nil {
self.err = wrapError(self.name, "", customError...)
return self
}
if regionCode < 10 || regionCode > 999 {
self.err = wrapError(self.name, "", customError...)
return self
}
code, err := strconv.Atoi(telSlice[1])
if err != nil {
self.err = wrapError(self.name, "", customError...)
return self
}
if code < 1000000 || code > 99999999 {
self.err = wrapError(self.name, "", customError...)
return self
}
return self
}
// IsMail 电邮地址
func (self *Str) IsMail(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
emailSlice := strings.Split(self.currentValue, "@")
if len(emailSlice) != 2 {
self.err = wrapError(self.name, "", customError...)
return self
}
if emailSlice[0] == "" || emailSlice[1] == "" {
self.err = wrapError(self.name, "", customError...)
return self
}
for k, v := range emailSlice[0] {
if k == 0 && !unicode.IsLetter(v) && !unicode.IsDigit(v) {
self.err = wrapError(self.name, "", customError...)
return self
} else if !unicode.IsLetter(v) && !unicode.IsDigit(v) && v != '@' && v != '.' && v != '_' && v != '-' {
self.err = wrapError(self.name, "", customError...)
return self
}
}
domainSlice := strings.Split(emailSlice[1], ".")
if len(domainSlice) < 2 {
self.err = wrapError(self.name, "", customError...)
return self
}
domainSliceLen := len(domainSlice)
for i := 0; i < domainSliceLen; i++ {
for k, v := range domainSlice[i] {
// nolint
if i != domainSliceLen-1 && k == 0 && !unicode.IsLetter(v) && !unicode.IsDigit(v) {
self.err = wrapError(self.name, "", customError...)
return self
} else if !unicode.IsLetter(v) && !unicode.IsDigit(v) && v != '.' && v != '_' && v != '-' {
self.err = wrapError(self.name, "", customError...)
return self
} else if i == domainSliceLen-1 && !unicode.IsLetter(v) {
self.err = wrapError(self.name, "", customError...)
return self
}
}
}
return self
}
// IsIP IPv4/v6地址
func (self *Str) IsIP(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
if net.ParseIP(self.currentValue) == nil {
self.err = wrapError(self.name, "", customError...)
return self
}
return self
}
// IsTCPAddr IP:Port
func (self *Str) IsTCPAddr(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
if _, err := net.ResolveTCPAddr("tcp", self.currentValue); err != nil {
self.err = wrapError(self.name, "", customError...)
return self
}
return self
}
// IsMAC MAC地址
func (self *Str) IsMAC(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
if _, err := net.ParseMAC(self.currentValue); err != nil {
self.err = wrapError(self.name, "", customError...)
return self
}
return self
}
// IsJSON JSON格式
func (self *Str) IsJSON(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
var js json.RawMessage
if json.Unmarshal([]byte(self.currentValue), &js) != nil {
self.err = wrapError(self.name, "", customError...)
return self
}
return self
}
// IsChinaIDNumber 中国身份证号码
func (self *Str) IsChinaIDNumber(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
var idV int
if self.currentValue[17:] == "X" {
idV = 88
} else {
var err error
if idV, err = strconv.Atoi(self.currentValue[17:]); err != nil {
self.err = wrapError(self.name, "", customError...)
return self
}
}
var verify int
id := self.currentValue[:17]
arr := make([]int, 17)
for i := 0; i < 17; i++ {
arr[i], self.err = strconv.Atoi(string(id[i]))
if self.err != nil {
return self
}
}
wi := [17]int{7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2}
var res int
for i := 0; i < 17; i++ {
res += arr[i] * wi[i]
}
verify = res % 11
var temp int
a18 := [11]int{1, 0, 88 /* 'X' */, 9, 8, 7, 6, 5, 4, 3, 2}
for i := 0; i < 11; i++ {
if i == verify {
temp = a18[i]
break
}
}
if temp != idV {
self.err = wrapError(self.name, "", customError...)
return self
}
return self
}
// nolint:gocyclo
// IsChinaMobile 中国手机号码
func (self *Str) IsChinaMobile(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
if len(self.currentValue) != 11 {
self.err = wrapError(self.name, "", customError...)
return self
}
var (
prefix uint8
prefixValid bool
)
if prefix64, err := strconv.ParseUint(self.currentValue[0:3], 10, 8); err != nil {
self.err = wrapError(self.name, "", customError...)
return self
} else {
prefix = uint8(prefix64)
}
for k := range chinaMobilePrefix {
if chinaMobilePrefix[k] == prefix {
prefixValid = true
break
}
}
if !prefixValid {
self.err = wrapError(self.name, "", customError...)
return self
}
if _, err := strconv.ParseUint(self.currentValue[3:], 10, 32); err != nil {
self.err = wrapError(self.name, "", customError...)
return self
}
return self
}
func isSQLObject(value string) bool {
for _, v := range value {
if !unicode.IsLetter(v) && !unicode.IsDigit(v) && v != '-' && v != '_' {
return false
}
}
return true
}
// IsSQLObject SQL对象(库名、表名、字段名)
func (self *Str) IsSQLObject(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
if !isSQLObject(self.currentValue) {
self.err = wrapError(self.name, "", customError...)
return self
}
return self
}
// IsSQLObjects SQL对象集合(库名、表名、字段名)
func (self *Str) IsSQLObjects(sep string, customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
values := strings.Split(self.currentValue, sep)
if values[0] == "" || values[0] == " " {
self.err = wrapError(self.name, "", customError...)
return self
}
for _, v := range values {
if !isSQLObject(v) {
self.err = wrapError(self.name, "", customError...)
return self
}
}
return self
}
// IsURL 是有效的URL
func (self *Str) IsURL(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
if _, err := url.ParseRequestURI(self.currentValue); err != nil {
self.err = wrapError(self.name, "", customError...)
}
return self
}
// IsUUID UUID格式
func (self *Str) IsUUID(customError ...string) StrType {
if self.err != nil || self.currentValue == "" {
return self
}
str := self.currentValue
var uuid [16]byte
switch len(str) {
// xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
case 36:
// urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
case 36 + 9:
if strings.EqualFold(strings.ToLower(str[:9]), "urn:uuid:") {
self.err = wrapError(self.name, "", customError...)
return self
}
str = str[9:]
// {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}
case 36 + 2:
str = str[1:]
// xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
case 32:
var ok bool
for i := range uuid {
uuid[i], ok = xtob(str[i*2], str[i*2+1])
if !ok {
self.err = wrapError(self.name, "", customError...)
return self
}
}
return self
default:
self.err = wrapError(self.name, "", customError...)
return self
}
// s is now at least 36 bytes long
// it must be of the form xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
if str[8] != '-' || str[13] != '-' || str[18] != '-' || str[23] != '-' {
self.err = wrapError(self.name, "", customError...)
return self
}
for i, x := range [16]int{
0, 2, 4, 6,
9, 11,
14, 16,
19, 21,
24, 26, 28, 30, 32, 34} {
v, ok := xtob(str[x], str[x+1])
if !ok {
self.err = wrapError(self.name, "", customError...)
return self
}
uuid[i] = v
}
return self
}