forked from mirrors/gotosocial
98263a7de6
* start fixing up tests * fix up tests + automate with drone * fiddle with linting * messing about with drone.yml * some more fiddling * hmmm * add cache * add vendor directory * verbose * ci updates * update some little things * update sig
79 lines
1.6 KiB
Go
79 lines
1.6 KiB
Go
package exifcommon
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/dsoprea/go-logging"
|
|
)
|
|
|
|
// DumpBytes prints a list of hex-encoded bytes.
|
|
func DumpBytes(data []byte) {
|
|
fmt.Printf("DUMP: ")
|
|
for _, x := range data {
|
|
fmt.Printf("%02x ", x)
|
|
}
|
|
|
|
fmt.Printf("\n")
|
|
}
|
|
|
|
// DumpBytesClause prints a list like DumpBytes(), but encapsulated in
|
|
// "[]byte { ... }".
|
|
func DumpBytesClause(data []byte) {
|
|
fmt.Printf("DUMP: ")
|
|
|
|
fmt.Printf("[]byte { ")
|
|
|
|
for i, x := range data {
|
|
fmt.Printf("0x%02x", x)
|
|
|
|
if i < len(data)-1 {
|
|
fmt.Printf(", ")
|
|
}
|
|
}
|
|
|
|
fmt.Printf(" }\n")
|
|
}
|
|
|
|
// DumpBytesToString returns a stringified list of hex-encoded bytes.
|
|
func DumpBytesToString(data []byte) string {
|
|
b := new(bytes.Buffer)
|
|
|
|
for i, x := range data {
|
|
_, err := b.WriteString(fmt.Sprintf("%02x", x))
|
|
log.PanicIf(err)
|
|
|
|
if i < len(data)-1 {
|
|
_, err := b.WriteRune(' ')
|
|
log.PanicIf(err)
|
|
}
|
|
}
|
|
|
|
return b.String()
|
|
}
|
|
|
|
// DumpBytesClauseToString returns a comma-separated list of hex-encoded bytes.
|
|
func DumpBytesClauseToString(data []byte) string {
|
|
b := new(bytes.Buffer)
|
|
|
|
for i, x := range data {
|
|
_, err := b.WriteString(fmt.Sprintf("0x%02x", x))
|
|
log.PanicIf(err)
|
|
|
|
if i < len(data)-1 {
|
|
_, err := b.WriteString(", ")
|
|
log.PanicIf(err)
|
|
}
|
|
}
|
|
|
|
return b.String()
|
|
}
|
|
|
|
// ExifFullTimestampString produces a string like "2018:11:30 13:01:49" from a
|
|
// `time.Time` struct. It will attempt to convert to UTC first.
|
|
func ExifFullTimestampString(t time.Time) (fullTimestampPhrase string) {
|
|
t = t.UTC()
|
|
|
|
return fmt.Sprintf("%04d:%02d:%02d %02d:%02d:%02d", t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second())
|
|
}
|