forked from mirror/gorm
129 lines
2.7 KiB
Go
129 lines
2.7 KiB
Go
package utils
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import (
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"database/sql/driver"
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"fmt"
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"reflect"
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"regexp"
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"runtime"
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"strconv"
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"strings"
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"unicode"
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)
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var gormSourceDir string
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func init() {
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_, file, _, _ := runtime.Caller(0)
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// compatible solution to get gorm source directory with various operating systems
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gormSourceDir = regexp.MustCompile(`utils.utils\.go`).ReplaceAllString(file, "")
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}
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// FileWithLineNum return the file name and line number of the current file
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func FileWithLineNum() string {
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// the second caller usually from gorm internal, so set i start from 2
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for i := 2; i < 15; i++ {
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_, file, line, ok := runtime.Caller(i)
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if ok && (!strings.HasPrefix(file, gormSourceDir) || strings.HasSuffix(file, "_test.go")) {
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return file + ":" + strconv.FormatInt(int64(line), 10)
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}
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}
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return ""
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}
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func IsValidDBNameChar(c rune) bool {
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return !unicode.IsLetter(c) && !unicode.IsNumber(c) && c != '.' && c != '*' && c != '_' && c != '$' && c != '@'
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}
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func CheckTruth(val interface{}) bool {
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if v, ok := val.(bool); ok {
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return v
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}
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if v, ok := val.(string); ok {
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v = strings.ToLower(v)
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return v != "false"
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}
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return !reflect.ValueOf(val).IsZero()
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}
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func ToStringKey(values ...interface{}) string {
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results := make([]string, len(values))
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for idx, value := range values {
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if valuer, ok := value.(driver.Valuer); ok {
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value, _ = valuer.Value()
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}
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switch v := value.(type) {
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case string:
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results[idx] = v
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case []byte:
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results[idx] = string(v)
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case uint:
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results[idx] = strconv.FormatUint(uint64(v), 10)
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default:
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results[idx] = fmt.Sprint(reflect.Indirect(reflect.ValueOf(v)).Interface())
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}
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}
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return strings.Join(results, "_")
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}
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func AssertEqual(src, dst interface{}) bool {
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if !reflect.DeepEqual(src, dst) {
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if valuer, ok := src.(driver.Valuer); ok {
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src, _ = valuer.Value()
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}
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if valuer, ok := dst.(driver.Valuer); ok {
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dst, _ = valuer.Value()
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}
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return reflect.DeepEqual(src, dst)
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}
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return true
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}
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func ToString(value interface{}) string {
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switch v := value.(type) {
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case string:
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return v
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case int:
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return strconv.FormatInt(int64(v), 10)
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case int8:
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return strconv.FormatInt(int64(v), 10)
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case int16:
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return strconv.FormatInt(int64(v), 10)
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case int32:
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return strconv.FormatInt(int64(v), 10)
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case int64:
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return strconv.FormatInt(v, 10)
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case uint:
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return strconv.FormatUint(uint64(v), 10)
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case uint8:
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return strconv.FormatUint(uint64(v), 10)
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case uint16:
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return strconv.FormatUint(uint64(v), 10)
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case uint32:
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return strconv.FormatUint(uint64(v), 10)
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case uint64:
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return strconv.FormatUint(v, 10)
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}
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return ""
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}
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func ExistsIn(a string, list *[]string) bool {
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if list == nil {
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return false
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}
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for _, b := range *list {
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if b == a {
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return true
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}
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}
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return false
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}
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