mirror of https://github.com/go-gorm/gorm.git
132 lines
3.2 KiB
Go
132 lines
3.2 KiB
Go
package gorm
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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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"strings"
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)
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func fileWithLineNum() string {
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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 && (!regexp.MustCompile(`jinzhu/gorm/.*.go`).MatchString(file) || regexp.MustCompile(`jinzhu/gorm/.*test.go`).MatchString(file)) {
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return fmt.Sprintf("%v:%v", file, line)
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}
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}
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return ""
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}
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func isBlank(value reflect.Value) bool {
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return reflect.DeepEqual(value.Interface(), reflect.Zero(value.Type()).Interface())
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}
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func toSearchableMap(attrs ...interface{}) (result interface{}) {
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if len(attrs) > 1 {
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if str, ok := attrs[0].(string); ok {
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result = map[string]interface{}{str: attrs[1]}
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}
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} else if len(attrs) == 1 {
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if attr, ok := attrs[0].(map[string]interface{}); ok {
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result = attr
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}
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if attr, ok := attrs[0].(interface{}); ok {
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result = attr
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}
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}
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return
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}
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func convertInterfaceToMap(values interface{}) map[string]interface{} {
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attrs := map[string]interface{}{}
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switch value := values.(type) {
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case map[string]interface{}:
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for k, v := range value {
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attrs[ToDBName(k)] = v
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}
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case []interface{}:
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for _, v := range value {
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for key, value := range convertInterfaceToMap(v) {
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attrs[key] = value
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}
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}
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case interface{}:
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reflectValue := reflect.ValueOf(values)
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switch reflectValue.Kind() {
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case reflect.Map:
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for _, key := range reflectValue.MapKeys() {
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attrs[ToDBName(key.Interface().(string))] = reflectValue.MapIndex(key).Interface()
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}
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default:
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scope := Scope{Value: values}
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for _, field := range scope.Fields() {
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if !field.IsBlank && !field.IsIgnored {
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attrs[field.DBName] = field.Field.Interface()
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}
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}
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}
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}
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return attrs
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}
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func equalAsString(a interface{}, b interface{}) bool {
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return toString(a) == toString(b)
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}
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func toString(str interface{}) string {
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if values, ok := str.([]interface{}); ok {
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var results []string
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for _, value := range values {
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results = append(results, toString(value))
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}
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return strings.Join(results, "_")
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} else if bytes, ok := str.([]byte); ok {
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return string(bytes)
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} else {
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return fmt.Sprintf("%v", str)
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}
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}
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func makeSlice(elemType reflect.Type) interface{} {
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if elemType.Kind() == reflect.Slice {
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elemType = elemType.Elem()
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}
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sliceType := reflect.SliceOf(elemType)
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slice := reflect.New(sliceType)
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slice.Elem().Set(reflect.MakeSlice(sliceType, 0, 0))
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return slice.Interface()
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}
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func strInSlice(a string, list []string) bool {
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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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// getValueFromFields return given fields's value
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func getValueFromFields(value reflect.Value, fieldNames []string) (results []interface{}) {
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// If value is a nil pointer, Indirect returns a zero Value!
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// Therefor we need to check for a zero value,
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// as FieldByName could panic
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if indirectValue := reflect.Indirect(value); indirectValue.IsValid() {
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for _, fieldName := range fieldNames {
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if fieldValue := indirectValue.FieldByName(fieldName); fieldValue.IsValid() {
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result := fieldValue.Interface()
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if r, ok := result.(driver.Valuer); ok {
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result, _ = r.Value()
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}
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results = append(results, result)
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}
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}
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}
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return
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}
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