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extfs-pdf: improve the listing format

This commit is contained in:
Přemysl Eric Janouch 2021-12-09 20:33:40 +01:00
parent 8a00d7064b
commit 67596a8153
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 14 additions and 7 deletions
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21
cmd/extfs-pdf/main.go
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@ -21,6 +21,7 @@ import (
"flag" "flag"
"fmt" "fmt"
"os" "os"
"time"
"janouch.name/pdf-simple-sign/pdf" "janouch.name/pdf-simple-sign/pdf"
) )
@ -52,7 +53,8 @@ func streamSuffix(o *pdf.Object) string {
return "stream" return "stream"
} }
func list(updater *pdf.Updater) { func list(mtime time.Time, updater *pdf.Updater) {
stamp := mtime.Local().Format("01-02-2006 15:04:05")
for _, o := range updater.ListIndirect() { for _, o := range updater.ListIndirect() {
object, err := updater.Get(o.N, o.Generation) object, err := updater.Get(o.N, o.Generation)
size := 0 size := 0
@ -62,11 +64,11 @@ func list(updater *pdf.Updater) {
// Accidental transformation, retrieving original data is more work. // Accidental transformation, retrieving original data is more work.
size = len(object.Serialize()) size = len(object.Serialize())
} }
fmt.Printf("-r--r--r-- 1 0 0 %d 01-01-1970 00:00 %d-%d\n", fmt.Printf("-r--r--r-- 1 0 0 %d %s n%dg%d\n",
size, o.N, o.Generation) size, stamp, o.N, o.Generation)
if object.Kind == pdf.Stream { if object.Kind == pdf.Stream {
fmt.Printf("-r--r--r-- 1 0 0 %d 01-01-1970 00:00 %d-%d.%s\n", fmt.Printf("-r--r--r-- 1 0 0 %d %s n%dg%d.%s\n", len(object.Stream),
len(object.Stream), o.N, o.Generation, streamSuffix(&object)) stamp, o.N, o.Generation, streamSuffix(&object))
} }
} }
} }
@ -76,7 +78,7 @@ func copyout(updater *pdf.Updater, storedFilename, extractTo string) {
n, generation uint n, generation uint
suffix string suffix string
) )
m, err := fmt.Sscanf(storedFilename, "%d-%d%s", &n, &generation, &suffix) m, err := fmt.Sscanf(storedFilename, "n%dg%d%s", &n, &generation, &suffix)
if m < 2 { if m < 2 {
die(3, "%s: %s", storedFilename, err) die(3, "%s: %s", storedFilename, err)
} }
@ -108,6 +110,11 @@ func main() {
die(1, "%s", err) die(1, "%s", err)
} }
mtime := time.UnixMilli(0)
if info, err := os.Stat(documentPath); err == nil {
mtime = info.ModTime()
}
updater, err := pdf.NewUpdater(doc) updater, err := pdf.NewUpdater(doc)
if err != nil { if err != nil {
die(2, "%s", err) die(2, "%s", err)
@ -120,7 +127,7 @@ func main() {
if flag.NArg() != 2 { if flag.NArg() != 2 {
usage() usage()
} else { } else {
list(updater) list(mtime, updater)
} }
case "copyout": case "copyout":
if flag.NArg() != 4 { if flag.NArg() != 4 {