objectstore/packed: Split files

1 files changed, 0 insertions, 136 deletions

diff --git a/objectstore/packed/delta_apply.go b/objectstore/packed/delta_apply.go
deleted file mode 100644
index 71f09ead..00000000
--- a/objectstore/packed/delta_apply.go
+++ /dev/null
@@ -1,136 +0,0 @@
-package packed
-
-import (
-	"fmt"
-
-	deltaapply "codeberg.org/lindenii/furgit/format/delta/apply"
-	packfmt "codeberg.org/lindenii/furgit/format/pack"
-	"codeberg.org/lindenii/furgit/objecttype"
-)
-
-// deltaResolveContent resolves one object's content bytes from its pack location.
-func (store *Store) deltaResolveContent(start location) (objecttype.Type, []byte, error) {
-	chain, err := store.deltaBuildChain(start)
-	if err != nil {
-		return objecttype.TypeInvalid, nil, err
-	}
-
-	pack, meta, err := store.entryMetaAt(start)
-	if err != nil {
-		return objecttype.TypeInvalid, nil, err
-	}
-
-	declaredSize := meta.size
-	if !packfmt.IsBaseObjectType(meta.ty) {
-		declaredSize, err = deltaDeclaredSizeAt(pack, meta.dataOffset)
-		if err != nil {
-			return objecttype.TypeInvalid, nil, err
-		}
-	}
-
-	return store.deltaResolveChain(chain, declaredSize)
-}
-
-// deltaResolveChain resolves one object chain into content bytes.
-func (store *Store) deltaResolveChain(chain deltaChain, declaredSize int64) (objecttype.Type, []byte, error) {
-	ty, out, nextDelta, err := store.deltaResolveChainStart(chain)
-	if err != nil {
-		return objecttype.TypeInvalid, nil, err
-	}
-
-	for i := nextDelta; i >= 0; i-- {
-		node := chain.deltas[i]
-
-		pack, err := store.openPack(node.loc.packName)
-		if err != nil {
-			return objecttype.TypeInvalid, nil, err
-		}
-
-		delta, err := inflateAt(pack, node.dataOffset, -1)
-		if err != nil {
-			return objecttype.TypeInvalid, nil, err
-		}
-
-		out, err = deltaapply.Apply(out, delta)
-		if err != nil {
-			return objecttype.TypeInvalid, nil, err
-		}
-
-		store.cacheMu.Lock()
-		store.deltaCache.add(
-			deltaBaseKey{packName: node.loc.packName, offset: node.loc.offset},
-			ty,
-			out,
-		)
-		store.cacheMu.Unlock()
-	}
-
-	if int64(len(out)) != declaredSize {
-		return objecttype.TypeInvalid, nil, fmt.Errorf(
-			"objectstore/packed: resolved content size mismatch: got %d want %d",
-			len(out),
-			declaredSize,
-		)
-	}
-
-	if ty != chain.baseType {
-		return objecttype.TypeInvalid, nil, fmt.Errorf(
-			"objectstore/packed: resolved content type mismatch: got %d want %d",
-			ty,
-			chain.baseType,
-		)
-	}
-
-	return ty, out, nil
-}
-
-// deltaResolveChainStart finds the nearest cached chain node or inflates the
-// innermost base object. It returns the starting bytes and the next delta index
-// to apply in reverse order.
-func (store *Store) deltaResolveChainStart(chain deltaChain) (objecttype.Type, []byte, int, error) {
-	for i, node := range chain.deltas {
-		store.cacheMu.RLock()
-		ty, out, ok := store.deltaCache.get(
-			deltaBaseKey{packName: node.loc.packName, offset: node.loc.offset},
-		)
-		store.cacheMu.RUnlock()
-
-		if ok {
-			return ty, out, i - 1, nil
-		}
-	}
-
-	store.cacheMu.RLock()
-	ty, out, ok := store.deltaCache.get(
-		deltaBaseKey{packName: chain.baseLoc.packName, offset: chain.baseLoc.offset},
-	)
-	store.cacheMu.RUnlock()
-
-	if ok {
-		return ty, out, len(chain.deltas) - 1, nil
-	}
-
-	pack, meta, err := store.entryMetaAt(chain.baseLoc)
-	if err != nil {
-		return objecttype.TypeInvalid, nil, 0, err
-	}
-
-	if !packfmt.IsBaseObjectType(meta.ty) {
-		return objecttype.TypeInvalid, nil, 0, fmt.Errorf("objectstore/packed: delta chain base is not a base object")
-	}
-
-	base, err := inflateAt(pack, meta.dataOffset, meta.size)
-	if err != nil {
-		return objecttype.TypeInvalid, nil, 0, err
-	}
-
-	store.cacheMu.Lock()
-	store.deltaCache.add(
-		deltaBaseKey{packName: chain.baseLoc.packName, offset: chain.baseLoc.offset},
-		meta.ty,
-		base,
-	)
-	store.cacheMu.Unlock()
-
-	return meta.ty, base, len(chain.deltas) - 1, nil
-}