package gofakeit
import (
crand "crypto/rand"
"encoding/binary"
"encoding/json"
"fmt"
"math"
"math/rand"
"reflect"
"strings"
"unicode"
"github.com/brianvoe/gofakeit/v6/data"
)
const lowerStr = "abcdefghijklmnopqrstuvwxyz"
const upperStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
const numericStr = "0123456789"
const specialStr = "@#$%&?|!(){}<>=*+-_:;,."
const specialSafeStr = "@#$&?!-_*."
const spaceStr = " "
const allStr = lowerStr + upperStr + numericStr + specialStr + spaceStr
const vowels = "aeiou"
const hashtag = '#'
const questionmark = '?'
const dash = '-'
const base58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
const minUint = 0
const maxUint = ^uint(0)
const minInt = -maxInt - 1
const maxInt = int(^uint(0) >> 1)
// Seed will set the global random value. Setting seed to 0 will use crypto/rand
func Seed(seed int64) {
if seed == 0 {
binary.Read(crand.Reader, binary.BigEndian, &seed)
globalFaker.Rand.Seed(seed)
} else {
globalFaker.Rand.Seed(seed)
}
}
// Check if in lib
func dataCheck(dataVal []string) bool {
var checkOk bool
if len(dataVal) == 2 {
_, checkOk = data.Data[dataVal[0]]
if checkOk {
_, checkOk = data.Data[dataVal[0]][dataVal[1]]
}
}
return checkOk
}
// Get Random Value
func getRandValue(r *rand.Rand, dataVal []string) string {
if !dataCheck(dataVal) {
return ""
}
return data.Data[dataVal[0]][dataVal[1]][r.Intn(len(data.Data[dataVal[0]][dataVal[1]]))]
}
// Replace # with numbers
func replaceWithNumbers(r *rand.Rand, str string) string {
if str == "" {
return str
}
bytestr := []byte(str)
for i := 0; i < len(bytestr); i++ {
if bytestr[i] == hashtag {
bytestr[i] = byte(randDigit(r))
}
}
if bytestr[0] == '0' {
bytestr[0] = byte(r.Intn(8)+1) + '0'
}
return string(bytestr)
}
// Replace ? with ASCII lowercase letters
func replaceWithLetters(r *rand.Rand, str string) string {
if str == "" {
return str
}
bytestr := []byte(str)
for i := 0; i < len(bytestr); i++ {
if bytestr[i] == questionmark {
bytestr[i] = byte(randLetter(r))
}
}
return string(bytestr)
}
// Replace ? with ASCII lowercase letters between a and f
func replaceWithHexLetters(r *rand.Rand, str string) string {
if str == "" {
return str
}
bytestr := []byte(str)
for i := 0; i < len(bytestr); i++ {
if bytestr[i] == questionmark {
bytestr[i] = byte(randHexLetter(r))
}
}
return string(bytestr)
}
// Generate random lowercase ASCII letter
func randLetter(r *rand.Rand) rune {
allLetters := upperStr + lowerStr
return rune(allLetters[r.Intn(len(allLetters))])
}
func randCharacter(r *rand.Rand, s string) string {
return string(s[r.Int63()%int64(len(s))])
}
// Generate random lowercase ASCII letter between a and f
func randHexLetter(r *rand.Rand) rune {
return rune(byte(r.Intn(6)) + 'a')
}
// Generate random ASCII digit
func randDigit(r *rand.Rand) rune {
return rune(byte(r.Intn(10)) + '0')
}
// Generate random integer between min and max
func randIntRange(r *rand.Rand, min, max int) int {
// If they pass in the same number, just return that number
if min == max {
return min
}
// If they pass in a min that is bigger than max, swap them
if min > max {
ogmin := min
min = max
max = ogmin
}
// Figure out if the min/max numbers calculation
// would cause a panic in the Int63() function.
if max-min+1 > 0 {
return min + int(r.Int63n(int64(max-min+1)))
}
// Loop through the range until we find a number that fits
for {
v := int(r.Uint64())
if (v >= min) && (v <= max) {
return v
}
}
}
// Generate random uint between min and max
func randUintRange(r *rand.Rand, min, max uint) uint {
// If they pass in the same number, just return that number
if min == max {
return min
}
// If they pass in a min that is bigger than max, swap them
if min > max {
ogmin := min
min = max
max = ogmin
}
// Figure out if the min/max numbers calculation
// would cause a panic in the Int63() function.
if int(max)-int(min)+1 > 0 {
return uint(r.Intn(int(max)-int(min)+1) + int(min))
}
// Loop through the range until we find a number that fits
for {
v := uint(r.Uint64())
if (v >= min) && (v <= max) {
return v
}
}
}
func toFixed(num float64, precision int) float64 {
output := math.Pow(10, float64(precision))
return float64(math.Floor(num*output)) / output
}
func equalSliceString(a, b []string) bool {
sizeA, sizeB := len(a), len(b)
if sizeA != sizeB {
return false
}
for i, va := range a {
vb := b[i]
if va != vb {
return false
}
}
return true
}
func equalSliceInt(a, b []int) bool {
sizeA, sizeB := len(a), len(b)
if sizeA != sizeB {
return false
}
for i, va := range a {
vb := b[i]
if va != vb {
return false
}
}
return true
}
func equalSliceInterface(a, b []any) bool {
sizeA, sizeB := len(a), len(b)
if sizeA != sizeB {
return false
}
for i, va := range a {
if !reflect.DeepEqual(va, b[i]) {
return false
}
}
return true
}
func stringInSlice(a string, list []string) bool {
for _, b := range list {
if b == a {
return true
}
}
return false
}
func anyToString(a any) string {
if a == nil {
return ""
}
// If it's a slice of bytes or struct, unmarshal it into an interface
if bytes, ok := a.([]byte); ok {
return string(bytes)
}
// If it's a struct, map, or slice, convert to JSON
switch reflect.TypeOf(a).Kind() {
case reflect.Struct, reflect.Map, reflect.Slice:
b, err := json.Marshal(a)
if err == nil {
return string(b)
}
}
return fmt.Sprintf("%v", a)
}
// Title returns a copy of the string s with all Unicode letters that begin words
// mapped to their Unicode title case
func title(s string) string {
// isSeparator reports whether the rune could mark a word boundary
isSeparator := func(r rune) bool {
// ASCII alphanumerics and underscore are not separators
if r <= 0x7F {
switch {
case '0' <= r && r <= '9':
return false
case 'a' <= r && r <= 'z':
return false
case 'A' <= r && r <= 'Z':
return false
case r == '_':
return false
}
return true
}
// Letters and digits are not separators
if unicode.IsLetter(r) || unicode.IsDigit(r) {
return false
}
// Otherwise, all we can do for now is treat spaces as separators.
return unicode.IsSpace(r)
}
prev := ' '
return strings.Map(
func(r rune) rune {
if isSeparator(prev) {
prev = r
return unicode.ToTitle(r)
}
prev = r
return r
},
s)
}
func funcLookupSplit(str string) []string {
out := []string{}
for str != "" {
if strings.HasPrefix(str, "[") {
startIndex := strings.Index(str, "[")
endIndex := strings.Index(str, "]")
val := str[(startIndex) : endIndex+1]
out = append(out, strings.TrimSpace(val))
str = strings.Replace(str, val, "", 1)
// Trim off comma if it has it
if strings.HasPrefix(str, ",") {
str = strings.Replace(str, ",", "", 1)
}
} else {
strSplit := strings.SplitN(str, ",", 2)
strSplitLen := len(strSplit)
if strSplitLen >= 1 {
out = append(out, strings.TrimSpace(strSplit[0]))
}
if strSplitLen >= 2 {
str = strSplit[1]
} else {
str = ""
}
}
}
return out
}
// Used for parsing the tag in a struct
func parseNameAndParamsFromTag(tag string) (string, string) {
// Trim the curly on the beginning and end
tag = strings.TrimLeft(tag, "{")
tag = strings.TrimRight(tag, "}")
// Check if has params separated by :
fNameSplit := strings.SplitN(tag, ":", 2)
fName := ""
fParams := ""
if len(fNameSplit) >= 1 {
fName = fNameSplit[0]
}
if len(fNameSplit) >= 2 {
fParams = fNameSplit[1]
}
return fName, fParams
}
// Used for parsing map params
func parseMapParams(info *Info, fParams string) *MapParams {
// Get parameters, make sure params and the split both have values
mapParams := NewMapParams()
paramsLen := len(info.Params)
// If just one param and its a string simply just pass it
if paramsLen == 1 && info.Params[0].Type == "string" {
mapParams.Add(info.Params[0].Field, fParams)
} else if paramsLen > 0 && fParams != "" {
splitVals := funcLookupSplit(fParams)
mapParams = addSplitValsToMapParams(splitVals, info, mapParams)
}
if mapParams.Size() > 0 {
return mapParams
} else {
return nil
}
}
// Used for splitting the values
func addSplitValsToMapParams(splitVals []string, info *Info, mapParams *MapParams) *MapParams {
for ii := 0; ii < len(splitVals); ii++ {
if len(info.Params)-1 >= ii {
if strings.HasPrefix(splitVals[ii], "[") {
lookupSplits := funcLookupSplit(strings.TrimRight(strings.TrimLeft(splitVals[ii], "["), "]"))
for _, v := range lookupSplits {
mapParams.Add(info.Params[ii].Field, v)
}
} else {
mapParams.Add(info.Params[ii].Field, splitVals[ii])
}
}
}
return mapParams
}