minio/pkg/drivers/date.go
Harshavardhana 0474439b43 Code restructuring, assigning proper subsystems to each
- Drivers contain
    * donut/*
    * file/*
    * memory/*

 - Storage format contains
    * donut/*
      - GetObject() --> renamed to GetObjectReader()
      - Deleted stale objectwriter.go, renamed donutwriter.go to object_writer.go

Simplifying, and documenting codebase further
2015-03-24 06:47:10 -07:00

79 lines
1.8 KiB
Go

/*
* Minimalist Object Storage, (C) 2015 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package drivers
import (
"errors"
"fmt"
"strconv"
"strings"
)
// Date - [0000-00-00]
type Date struct {
Year int16
Month byte
Day byte
}
// String output in yyyy-mm-dd format
func (d Date) String() string {
return fmt.Sprintf("%04d-%02d-%02d", d.Year, d.Month, d.Day)
}
// IsZero true if date is 0000-00-00
func (d Date) IsZero() bool {
return d.Day == 0 && d.Month == 0 && d.Year == 0
}
// Convert string date in format YYYY-MM-DD to Date.
// Leading and trailing spaces are ignored. If format is invalid returns zero.
func parseDate(str string) (d Date, err error) {
str = strings.TrimSpace(str)
if str == "0000-00-00" {
return
}
var (
y, m, n int
)
if len(str) != 10 || str[4] != '-' || str[7] != '-' {
err = errors.New("Invalid 0000-00-000 style DATE string: " + str)
return
}
if y, err = strconv.Atoi(str[0:4]); err != nil {
return
}
if m, err = strconv.Atoi(str[5:7]); err != nil {
return
}
if m < 1 || m > 12 {
err = errors.New("Invalid 0000-00-000 style DATE string: " + str)
return
}
if n, err = strconv.Atoi(str[8:10]); err != nil {
return
}
if n < 1 || n > 31 {
err = errors.New("Invalid 0000-00-000 style DATE string: " + str)
return
}
d.Year = int16(y)
d.Month = byte(m)
d.Day = byte(n)
return
}