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903 lines
26 KiB
903 lines
26 KiB
package validator
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import (
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"fmt"
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"net"
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"net/url"
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"reflect"
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"strings"
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"time"
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"unicode/utf8"
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)
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// BakedInValidators is the default map of ValidationFunc
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// you can add, remove or even replace items to suite your needs,
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// or even disregard and use your own map if so desired.
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var BakedInValidators = map[string]Func{
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"required": hasValue,
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"len": hasLengthOf,
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"min": hasMinOf,
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"max": hasMaxOf,
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"eq": isEq,
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"ne": isNe,
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"lt": isLt,
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"lte": isLte,
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"gt": isGt,
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"gte": isGte,
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"eqfield": isEqField,
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"nefield": isNeField,
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"gtefield": isGteField,
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"gtfield": isGtField,
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"ltefield": isLteField,
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"ltfield": isLtField,
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"alpha": isAlpha,
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"alphanum": isAlphanum,
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"numeric": isNumeric,
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"number": isNumber,
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"hexadecimal": isHexadecimal,
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"hexcolor": isHexcolor,
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"rgb": isRgb,
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"rgba": isRgba,
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"hsl": isHsl,
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"hsla": isHsla,
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"email": isEmail,
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"url": isURL,
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"uri": isURI,
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"base64": isBase64,
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"contains": contains,
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"containsany": containsAny,
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"containsrune": containsRune,
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"excludes": excludes,
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"excludesall": excludesAll,
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"excludesrune": excludesRune,
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"isbn": isISBN,
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"isbn10": isISBN10,
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"isbn13": isISBN13,
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"uuid": isUUID,
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"uuid3": isUUID3,
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"uuid4": isUUID4,
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"uuid5": isUUID5,
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"ascii": isASCII,
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"printascii": isPrintableASCII,
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"multibyte": hasMultiByteCharacter,
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"datauri": isDataURI,
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"latitude": isLatitude,
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"longitude": isLongitude,
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"ssn": isSSN,
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"ipv4": isIPv4,
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"ipv6": isIPv6,
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"ip": isIP,
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"mac": isMac,
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}
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func isMac(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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_, err := net.ParseMAC(field.String())
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return err == nil
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}
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func isIPv4(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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ip := net.ParseIP(field.String())
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return ip != nil && ip.To4() != nil
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}
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func isIPv6(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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ip := net.ParseIP(field.String())
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return ip != nil && ip.To4() == nil
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}
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func isIP(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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ip := net.ParseIP(field.String())
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return ip != nil
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}
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func isSSN(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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if field.Len() != 11 {
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return false
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}
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return matchesRegex(sSNRegex, field.String())
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}
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func isLongitude(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(longitudeRegex, field.String())
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}
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func isLatitude(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(latitudeRegex, field.String())
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}
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func isDataURI(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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uri := strings.SplitN(field.String(), ",", 2)
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if len(uri) != 2 {
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return false
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}
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if !matchesRegex(dataURIRegex, uri[0]) {
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return false
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}
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fld := reflect.ValueOf(uri[1])
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return isBase64(topStruct, currentStruct, fld, fld.Type(), fld.Kind(), param)
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}
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func hasMultiByteCharacter(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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if field.Len() == 0 {
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return true
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}
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return matchesRegex(multibyteRegex, field.String())
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}
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func isPrintableASCII(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(printableASCIIRegex, field.String())
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}
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func isASCII(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(aSCIIRegex, field.String())
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}
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func isUUID5(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(uUID5Regex, field.String())
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}
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func isUUID4(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(uUID4Regex, field.String())
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}
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func isUUID3(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(uUID3Regex, field.String())
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}
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func isUUID(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(uUIDRegex, field.String())
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}
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func isISBN(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return isISBN10(topStruct, currentStruct, field, fieldType, fieldKind, param) || isISBN13(topStruct, currentStruct, field, fieldType, fieldKind, param)
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}
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func isISBN13(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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s := strings.Replace(strings.Replace(field.String(), "-", "", 4), " ", "", 4)
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if !matchesRegex(iSBN13Regex, s) {
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return false
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}
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var checksum int32
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var i int32
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factor := []int32{1, 3}
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for i = 0; i < 12; i++ {
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checksum += factor[i%2] * int32(s[i]-'0')
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}
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if (int32(s[12]-'0'))-((10-(checksum%10))%10) == 0 {
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return true
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}
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return false
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}
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func isISBN10(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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s := strings.Replace(strings.Replace(field.String(), "-", "", 3), " ", "", 3)
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if !matchesRegex(iSBN10Regex, s) {
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return false
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}
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var checksum int32
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var i int32
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for i = 0; i < 9; i++ {
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checksum += (i + 1) * int32(s[i]-'0')
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}
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if s[9] == 'X' {
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checksum += 10 * 10
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} else {
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checksum += 10 * int32(s[9]-'0')
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}
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if checksum%11 == 0 {
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return true
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}
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return false
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}
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func excludesRune(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return !containsRune(topStruct, currentStruct, field, fieldType, fieldKind, param)
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}
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func excludesAll(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return !containsAny(topStruct, currentStruct, field, fieldType, fieldKind, param)
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}
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func excludes(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return !contains(topStruct, currentStruct, field, fieldType, fieldKind, param)
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}
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func containsRune(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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r, _ := utf8.DecodeRuneInString(param)
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return strings.ContainsRune(field.String(), r)
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}
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func containsAny(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return strings.ContainsAny(field.String(), param)
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}
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func contains(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return strings.Contains(field.String(), param)
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}
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func isNeField(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return !isEqField(topStruct, currentStruct, field, fieldType, fieldKind, param)
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}
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func isNe(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return !isEq(topStruct, currentStruct, field, fieldType, fieldKind, param)
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}
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func isEqField(topStruct reflect.Value, current reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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// if current == nil {
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if !current.IsValid() {
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panic("struct or field value not passed for cross validation")
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}
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if current.Kind() == reflect.Ptr && !current.IsNil() {
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current = current.Elem()
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}
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switch current.Kind() {
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case reflect.Struct:
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if current.Type() == timeType || current.Type() == timePtrType {
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break
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}
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current = current.FieldByName(param)
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if current.Kind() == reflect.Invalid {
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panic(fmt.Sprintf("Field \"%s\" not found in struct", param))
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}
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}
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if current.Kind() == reflect.Ptr && !current.IsNil() {
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current = current.Elem()
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}
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switch fieldKind {
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case reflect.String:
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return field.String() == current.String()
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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return field.Int() == current.Int()
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case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
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return field.Uint() == current.Uint()
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case reflect.Float32, reflect.Float64:
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return field.Float() == current.Float()
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case reflect.Slice, reflect.Map, reflect.Array:
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return int64(field.Len()) == int64(current.Len())
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case reflect.Struct:
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if fieldType == timeType || fieldType == timePtrType {
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if current.Type() != timeType && current.Type() != timePtrType {
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panic("Bad Top Level field type")
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}
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t := current.Interface().(time.Time)
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fieldTime := field.Interface().(time.Time)
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return fieldTime.Equal(t)
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}
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}
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panic(fmt.Sprintf("Bad field type %T", field.Interface()))
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}
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func isEq(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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switch fieldKind {
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case reflect.String:
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return field.String() == param
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case reflect.Slice, reflect.Map, reflect.Array:
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p := asInt(param)
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return int64(field.Len()) == p
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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p := asInt(param)
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return field.Int() == p
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case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
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p := asUint(param)
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return field.Uint() == p
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case reflect.Float32, reflect.Float64:
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p := asFloat(param)
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return field.Float() == p
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}
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panic(fmt.Sprintf("Bad field type %T", field.Interface()))
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}
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func isBase64(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(base64Regex, field.String())
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}
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func isURI(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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switch fieldKind {
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case reflect.String:
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_, err := url.ParseRequestURI(field.String())
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return err == nil
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}
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panic(fmt.Sprintf("Bad field type %T", field.Interface()))
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}
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func isURL(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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switch fieldKind {
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case reflect.String:
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url, err := url.ParseRequestURI(field.String())
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if err != nil {
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return false
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}
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if len(url.Scheme) == 0 {
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return false
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}
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return err == nil
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}
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panic(fmt.Sprintf("Bad field type %T", field.Interface()))
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}
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func isEmail(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(emailRegex, field.String())
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}
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func isHsla(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(hslaRegex, field.String())
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}
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func isHsl(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(hslRegex, field.String())
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}
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func isRgba(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(rgbaRegex, field.String())
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}
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func isRgb(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(rgbRegex, field.String())
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}
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func isHexcolor(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(hexcolorRegex, field.String())
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}
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func isHexadecimal(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(hexadecimalRegex, field.String())
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}
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func isNumber(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(numberRegex, field.String())
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}
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func isNumeric(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(numericRegex, field.String())
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}
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func isAlphanum(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(alphaNumericRegex, field.String())
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}
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func isAlpha(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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return matchesRegex(alphaRegex, field.String())
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}
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func hasValue(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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switch fieldKind {
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case reflect.Slice, reflect.Map, reflect.Ptr, reflect.Interface, reflect.Chan, reflect.Func:
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return !field.IsNil()
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default:
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return field.IsValid() && field.Interface() != reflect.Zero(fieldType).Interface()
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}
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}
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func isGteField(topStruct reflect.Value, current reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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if !current.IsValid() {
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panic("struct not passed for cross validation")
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}
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if current.Kind() == reflect.Ptr && !current.IsNil() {
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current = current.Elem()
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}
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switch current.Kind() {
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case reflect.Struct:
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if current.Type() == timeType || current.Type() == timePtrType {
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break
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}
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current = current.FieldByName(param)
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if current.Kind() == reflect.Invalid {
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panic(fmt.Sprintf("Field \"%s\" not found in struct", param))
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}
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}
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if current.Kind() == reflect.Ptr && !current.IsNil() {
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current = current.Elem()
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}
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switch fieldKind {
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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return field.Int() >= current.Int()
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case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
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return field.Uint() >= current.Uint()
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case reflect.Float32, reflect.Float64:
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return field.Float() >= current.Float()
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case reflect.Struct:
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if field.Type() == timeType || field.Type() == timePtrType {
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if current.Type() != timeType && current.Type() != timePtrType {
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panic("Bad Top Level field type")
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}
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t := current.Interface().(time.Time)
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fieldTime := field.Interface().(time.Time)
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return fieldTime.After(t) || fieldTime.Equal(t)
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}
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}
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panic(fmt.Sprintf("Bad field type %T", field.Interface()))
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}
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func isGtField(topStruct reflect.Value, current reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
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if !current.IsValid() {
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panic("struct not passed for cross validation")
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}
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if current.Kind() == reflect.Ptr && !current.IsNil() {
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current = current.Elem()
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}
|
|
|
|
switch current.Kind() {
|
|
|
|
case reflect.Struct:
|
|
|
|
if current.Type() == timeType || current.Type() == timePtrType {
|
|
break
|
|
}
|
|
|
|
current = current.FieldByName(param)
|
|
|
|
if current.Kind() == reflect.Invalid {
|
|
panic(fmt.Sprintf("Field \"%s\" not found in struct", param))
|
|
}
|
|
}
|
|
|
|
if current.Kind() == reflect.Ptr && !current.IsNil() {
|
|
current = current.Elem()
|
|
}
|
|
|
|
switch fieldKind {
|
|
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
|
|
return field.Int() > current.Int()
|
|
|
|
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
|
|
|
|
return field.Uint() > current.Uint()
|
|
|
|
case reflect.Float32, reflect.Float64:
|
|
|
|
return field.Float() > current.Float()
|
|
|
|
case reflect.Struct:
|
|
|
|
if field.Type() == timeType || field.Type() == timePtrType {
|
|
|
|
if current.Type() != timeType && current.Type() != timePtrType {
|
|
panic("Bad Top Level field type")
|
|
}
|
|
|
|
t := current.Interface().(time.Time)
|
|
fieldTime := field.Interface().(time.Time)
|
|
|
|
return fieldTime.After(t)
|
|
}
|
|
}
|
|
|
|
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
|
|
}
|
|
|
|
func isGte(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
|
|
|
|
switch fieldKind {
|
|
|
|
case reflect.String:
|
|
p := asInt(param)
|
|
|
|
return int64(utf8.RuneCountInString(field.String())) >= p
|
|
|
|
case reflect.Slice, reflect.Map, reflect.Array:
|
|
p := asInt(param)
|
|
|
|
return int64(field.Len()) >= p
|
|
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
p := asInt(param)
|
|
|
|
return field.Int() >= p
|
|
|
|
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
|
|
p := asUint(param)
|
|
|
|
return field.Uint() >= p
|
|
|
|
case reflect.Float32, reflect.Float64:
|
|
p := asFloat(param)
|
|
|
|
return field.Float() >= p
|
|
|
|
case reflect.Struct:
|
|
|
|
if fieldType == timeType || fieldType == timePtrType {
|
|
|
|
now := time.Now().UTC()
|
|
t := field.Interface().(time.Time)
|
|
|
|
return t.After(now) || t.Equal(now)
|
|
}
|
|
}
|
|
|
|
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
|
|
}
|
|
|
|
func isGt(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
|
|
|
|
switch fieldKind {
|
|
|
|
case reflect.String:
|
|
p := asInt(param)
|
|
|
|
return int64(utf8.RuneCountInString(field.String())) > p
|
|
|
|
case reflect.Slice, reflect.Map, reflect.Array:
|
|
p := asInt(param)
|
|
|
|
return int64(field.Len()) > p
|
|
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
p := asInt(param)
|
|
|
|
return field.Int() > p
|
|
|
|
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
|
|
p := asUint(param)
|
|
|
|
return field.Uint() > p
|
|
|
|
case reflect.Float32, reflect.Float64:
|
|
p := asFloat(param)
|
|
|
|
return field.Float() > p
|
|
case reflect.Struct:
|
|
|
|
if field.Type() == timeType || field.Type() == timePtrType {
|
|
|
|
return field.Interface().(time.Time).After(time.Now().UTC())
|
|
}
|
|
}
|
|
|
|
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
|
|
}
|
|
|
|
// length tests whether a variable's length is equal to a given
|
|
// value. For strings it tests the number of characters whereas
|
|
// for maps and slices it tests the number of items.
|
|
func hasLengthOf(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
|
|
|
|
switch fieldKind {
|
|
|
|
case reflect.String:
|
|
p := asInt(param)
|
|
|
|
return int64(utf8.RuneCountInString(field.String())) == p
|
|
|
|
case reflect.Slice, reflect.Map, reflect.Array:
|
|
p := asInt(param)
|
|
|
|
return int64(field.Len()) == p
|
|
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
p := asInt(param)
|
|
|
|
return field.Int() == p
|
|
|
|
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
|
|
p := asUint(param)
|
|
|
|
return field.Uint() == p
|
|
|
|
case reflect.Float32, reflect.Float64:
|
|
p := asFloat(param)
|
|
|
|
return field.Float() == p
|
|
}
|
|
|
|
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
|
|
}
|
|
|
|
// min tests whether a variable value is larger or equal to a given
|
|
// number. For number types, it's a simple lesser-than test; for
|
|
// strings it tests the number of characters whereas for maps
|
|
// and slices it tests the number of items.
|
|
func hasMinOf(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
|
|
|
|
return isGte(topStruct, currentStruct, field, fieldType, fieldKind, param)
|
|
}
|
|
|
|
func isLteField(topStruct reflect.Value, current reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
|
|
|
|
if !current.IsValid() {
|
|
panic("struct not passed for cross validation")
|
|
}
|
|
|
|
if current.Kind() == reflect.Ptr && !current.IsNil() {
|
|
current = current.Elem()
|
|
}
|
|
|
|
switch current.Kind() {
|
|
|
|
case reflect.Struct:
|
|
|
|
if current.Type() == timeType || current.Type() == timePtrType {
|
|
break
|
|
}
|
|
|
|
current = current.FieldByName(param)
|
|
|
|
if current.Kind() == reflect.Invalid {
|
|
panic(fmt.Sprintf("Field \"%s\" not found in struct", param))
|
|
}
|
|
}
|
|
|
|
if current.Kind() == reflect.Ptr && !current.IsNil() {
|
|
current = current.Elem()
|
|
}
|
|
|
|
switch fieldKind {
|
|
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
|
|
return field.Int() <= current.Int()
|
|
|
|
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
|
|
|
|
return field.Uint() <= current.Uint()
|
|
|
|
case reflect.Float32, reflect.Float64:
|
|
|
|
return field.Float() <= current.Float()
|
|
|
|
case reflect.Struct:
|
|
|
|
if field.Type() == timeType || field.Type() == timePtrType {
|
|
|
|
if current.Type() != timeType && current.Type() != timePtrType {
|
|
panic("Bad Top Level field type")
|
|
}
|
|
|
|
t := current.Interface().(time.Time)
|
|
fieldTime := field.Interface().(time.Time)
|
|
|
|
return fieldTime.Before(t) || fieldTime.Equal(t)
|
|
}
|
|
}
|
|
|
|
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
|
|
}
|
|
|
|
func isLtField(topStruct reflect.Value, current reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
|
|
|
|
if !current.IsValid() {
|
|
panic("struct not passed for cross validation")
|
|
}
|
|
|
|
if current.Kind() == reflect.Ptr && !current.IsNil() {
|
|
current = current.Elem()
|
|
}
|
|
|
|
switch current.Kind() {
|
|
|
|
case reflect.Struct:
|
|
|
|
if current.Type() == timeType || current.Type() == timePtrType {
|
|
break
|
|
}
|
|
|
|
current = current.FieldByName(param)
|
|
|
|
if current.Kind() == reflect.Invalid {
|
|
panic(fmt.Sprintf("Field \"%s\" not found in struct", param))
|
|
}
|
|
}
|
|
|
|
if current.Kind() == reflect.Ptr && !current.IsNil() {
|
|
current = current.Elem()
|
|
}
|
|
|
|
switch fieldKind {
|
|
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
|
|
return field.Int() < current.Int()
|
|
|
|
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
|
|
|
|
return field.Uint() < current.Uint()
|
|
|
|
case reflect.Float32, reflect.Float64:
|
|
|
|
return field.Float() < current.Float()
|
|
|
|
case reflect.Struct:
|
|
|
|
if field.Type() == timeType || field.Type() == timePtrType {
|
|
|
|
if current.Type() != timeType && current.Type() != timePtrType {
|
|
panic("Bad Top Level field type")
|
|
}
|
|
|
|
t := current.Interface().(time.Time)
|
|
fieldTime := field.Interface().(time.Time)
|
|
|
|
return fieldTime.Before(t)
|
|
}
|
|
}
|
|
|
|
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
|
|
}
|
|
|
|
func isLte(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
|
|
|
|
switch fieldKind {
|
|
|
|
case reflect.String:
|
|
p := asInt(param)
|
|
|
|
return int64(utf8.RuneCountInString(field.String())) <= p
|
|
|
|
case reflect.Slice, reflect.Map, reflect.Array:
|
|
p := asInt(param)
|
|
|
|
return int64(field.Len()) <= p
|
|
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
p := asInt(param)
|
|
|
|
return field.Int() <= p
|
|
|
|
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
|
|
p := asUint(param)
|
|
|
|
return field.Uint() <= p
|
|
|
|
case reflect.Float32, reflect.Float64:
|
|
p := asFloat(param)
|
|
|
|
return field.Float() <= p
|
|
|
|
case reflect.Struct:
|
|
|
|
if fieldType == timeType || fieldType == timePtrType {
|
|
|
|
now := time.Now().UTC()
|
|
t := field.Interface().(time.Time)
|
|
|
|
return t.Before(now) || t.Equal(now)
|
|
}
|
|
}
|
|
|
|
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
|
|
}
|
|
|
|
func isLt(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
|
|
|
|
switch fieldKind {
|
|
|
|
case reflect.String:
|
|
p := asInt(param)
|
|
|
|
return int64(utf8.RuneCountInString(field.String())) < p
|
|
|
|
case reflect.Slice, reflect.Map, reflect.Array:
|
|
p := asInt(param)
|
|
|
|
return int64(field.Len()) < p
|
|
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
p := asInt(param)
|
|
|
|
return field.Int() < p
|
|
|
|
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
|
|
p := asUint(param)
|
|
|
|
return field.Uint() < p
|
|
|
|
case reflect.Float32, reflect.Float64:
|
|
p := asFloat(param)
|
|
|
|
return field.Float() < p
|
|
|
|
case reflect.Struct:
|
|
|
|
if field.Type() == timeType || field.Type() == timePtrType {
|
|
|
|
return field.Interface().(time.Time).Before(time.Now().UTC())
|
|
}
|
|
}
|
|
|
|
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
|
|
}
|
|
|
|
// max tests whether a variable value is lesser than a given
|
|
// value. For numbers, it's a simple lesser-than test; for
|
|
// strings it tests the number of characters whereas for maps
|
|
// and slices it tests the number of items.
|
|
func hasMaxOf(topStruct reflect.Value, currentStruct reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
|
|
|
|
return isLte(topStruct, currentStruct, field, fieldType, fieldKind, param)
|
|
}
|
|
|