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hst: remove enablement json adapter

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The go116 behaviour of built-in new function makes this cleaner.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra
2026-04-10 20:39:06 +09:00
parent c33a6a5b7e
commit 560cb626a1
26 changed files with 149 additions and 130 deletions
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27
internal/store/header.go
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@@ -14,22 +14,25 @@ import (
const (
// entryHeaderMagic are magic bytes at the beginning of the state entry file.
entryHeaderMagic = "\x00\xff\xca\xfe"
// entryHeaderRevision follows entryHeaderMagic and is incremented for revisions of the format.
// entryHeaderRevision follows entryHeaderMagic and is incremented for
// revisions of the format.
entryHeaderRevision = "\x00\x00"
// entryHeaderSize is the fixed size of the header in bytes, including the enablement byte and its complement.
// entryHeaderSize is the fixed size of the header in bytes, including the
// enablement byte and its complement.
entryHeaderSize = len(entryHeaderMagic+entryHeaderRevision) + 2
)
// entryHeaderEncode encodes a state entry header for a [hst.Enablement] byte.
func entryHeaderEncode(et hst.Enablement) *[entryHeaderSize]byte {
// entryHeaderEncode encodes a state entry header for a [hst.Enablements] byte.
func entryHeaderEncode(et hst.Enablements) *[entryHeaderSize]byte {
data := [entryHeaderSize]byte([]byte(
entryHeaderMagic + entryHeaderRevision + string([]hst.Enablement{et, ^et}),
entryHeaderMagic + entryHeaderRevision + string([]hst.Enablements{et, ^et}),
))
return &data
}
// entryHeaderDecode validates a state entry header and returns the [hst.Enablement] byte.
func entryHeaderDecode(data *[entryHeaderSize]byte) (hst.Enablement, error) {
// entryHeaderDecode validates a state entry header and returns the
// [hst.Enablements] byte.
func entryHeaderDecode(data *[entryHeaderSize]byte) (hst.Enablements, error) {
if magic := data[:len(entryHeaderMagic)]; string(magic) != entryHeaderMagic {
return 0, errors.New("invalid header " + hex.EncodeToString(magic))
}
@@ -41,7 +44,7 @@ func entryHeaderDecode(data *[entryHeaderSize]byte) (hst.Enablement, error) {
if et != ^data[len(entryHeaderMagic+entryHeaderRevision)+1] {
return 0, errors.New("header enablement value is inconsistent")
}
return hst.Enablement(et), nil
return hst.Enablements(et), nil
}
// EntrySizeError is returned for a file too small to hold a state entry header.
@@ -68,8 +71,8 @@ func entryCheckFile(fi os.FileInfo) error {
return nil
}
// entryReadHeader reads [hst.Enablement] from an [io.Reader].
func entryReadHeader(r io.Reader) (hst.Enablement, error) {
// entryReadHeader reads [hst.Enablements] from an [io.Reader].
func entryReadHeader(r io.Reader) (hst.Enablements, error) {
var data [entryHeaderSize]byte
if n, err := r.Read(data[:]); err != nil {
return 0, err
@@ -79,8 +82,8 @@ func entryReadHeader(r io.Reader) (hst.Enablement, error) {
return entryHeaderDecode(&data)
}
// entryWriteHeader writes [hst.Enablement] header to an [io.Writer].
func entryWriteHeader(w io.Writer, et hst.Enablement) error {
// entryWriteHeader writes [hst.Enablements] header to an [io.Writer].
func entryWriteHeader(w io.Writer, et hst.Enablements) error {
_, err := w.Write(entryHeaderEncode(et)[:])
return err
}