gorm/utils/utils.go

72 lines
1.4 KiB
Go

package utils
import (
"database/sql/driver"
"fmt"
"path/filepath"
"reflect"
"regexp"
"runtime"
"strconv"
"strings"
"unicode"
)
var goSrcRegexp, goTestRegexp *regexp.Regexp
func init() {
_, file, _, _ := runtime.Caller(0)
goSrcRegexp = regexp.MustCompile(filepath.Join(filepath.Dir(filepath.Dir(file)), ".*.go"))
goTestRegexp = regexp.MustCompile(filepath.Join(filepath.Dir(filepath.Dir(file)), ".*test.go"))
}
func FileWithLineNum() string {
for i := 2; i < 15; i++ {
_, file, line, ok := runtime.Caller(i)
if ok && (!goSrcRegexp.MatchString(file) || goTestRegexp.MatchString(file)) {
return fmt.Sprintf("%v:%v", file, line)
}
}
return ""
}
func IsChar(c rune) bool {
return !unicode.IsLetter(c) && !unicode.IsNumber(c)
}
func CheckTruth(val interface{}) bool {
if v, ok := val.(bool); ok {
return v
}
if v, ok := val.(string); ok {
v = strings.ToLower(v)
return v != "false"
}
return !reflect.ValueOf(val).IsZero()
}
func ToStringKey(values ...interface{}) string {
results := make([]string, len(values))
for idx, value := range values {
if valuer, ok := value.(driver.Valuer); ok {
value, _ = valuer.Value()
}
switch v := value.(type) {
case string:
results[idx] = v
case []byte:
results[idx] = string(v)
case uint:
results[idx] = strconv.FormatUint(uint64(v), 10)
default:
results[idx] = fmt.Sprint(reflect.Indirect(reflect.ValueOf(v)).Interface())
}
}
return strings.Join(results, "_")
}