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utils.go
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/
utils.go
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package codegen
import (
"fmt"
"path/filepath"
"reflect"
"strings"
)
func IsGoFile(filename string) bool {
return filepath.Ext(filename) == ".go"
}
func IsGoTestFile(filename string) bool {
return strings.HasSuffix(filepath.Base(filename), "_test.go")
}
func GeneratedFileSuffix(filename string) string {
dir := filepath.Dir(filename)
base := filepath.Base(filename)
ext := filepath.Ext(filename)
if IsGoFile(filename) && IsGoTestFile(filename) {
base = strings.Replace(base, "_test.go", "__generated_test.go", -1)
} else {
base = strings.Replace(base, ext, fmt.Sprintf("__generated%s", ext), -1)
}
return fmt.Sprintf("%s/%s", dir, base)
}
func IsEmptyValue(rv reflect.Value) bool {
if rv.IsValid() && rv.CanInterface() {
if zeroChecker, ok := rv.Interface().(interface{ IsZero() bool }); ok {
return zeroChecker.IsZero()
}
}
switch rv.Kind() {
case reflect.Array, reflect.Map, reflect.Slice, reflect.String:
return rv.Len() == 0
case reflect.Bool:
return !rv.Bool()
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return rv.Int() == 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return rv.Uint() == 0
case reflect.Float32, reflect.Float64:
return rv.Float() == 0
case reflect.Interface, reflect.Ptr:
return rv.IsNil()
}
return false
}
func TryCatch(f func()) (err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
f()
return nil
}