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package pack
import (
"errors"
"fmt"
)
// PackedObjectType is a constant type that is defined for all valid object
// types that a packed object can represent.
type PackedObjectType uint8
const (
// TypeNone is the zero-value for PackedObjectType, and represents the
// absence of a type.
TypeNone PackedObjectType = iota
// TypeCommit is the PackedObjectType for commit objects.
TypeCommit
// TypeTree is the PackedObjectType for tree objects.
TypeTree
// Typeblob is the PackedObjectType for blob objects.
TypeBlob
// TypeTag is the PackedObjectType for tag objects.
TypeTag
// TypeObjectOffsetDelta is the type for OBJ_OFS_DELTA-typed objects.
TypeObjectOffsetDelta PackedObjectType = 6
// TypeObjectReferenceDelta is the type for OBJ_REF_DELTA-typed objects.
TypeObjectReferenceDelta PackedObjectType = 7
)
// String implements fmt.Stringer and returns an encoding of the type valid for
// use in the loose object format protocol (see: package 'gitobj' for more).
//
// If the receiving instance is not defined, String() will panic().
func (t PackedObjectType) String() string {
switch t {
case TypeNone:
return "<none>"
case TypeCommit:
return "commit"
case TypeTree:
return "tree"
case TypeBlob:
return "blob"
case TypeTag:
return "tag"
case TypeObjectOffsetDelta:
return "obj_ofs_delta"
case TypeObjectReferenceDelta:
return "obj_ref_delta"
}
panic(fmt.Sprintf("gitobj/pack: unknown object type: %d", t))
}
var (
errUnrecognizedObjectType = errors.New("gitobj/pack: unrecognized object type")
)
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