gitea/vendor/github.com/blevesearch/zap/v15/write.go
6543 12a1f914f4
Vendor Update Go Libs (#13166)
* update github.com/alecthomas/chroma v0.8.0 -> v0.8.1

* github.com/blevesearch/bleve v1.0.10 -> v1.0.12

* editorconfig-core-go v2.1.1 -> v2.3.7

* github.com/gliderlabs/ssh v0.2.2 -> v0.3.1

* migrate editorconfig.ParseBytes to Parse

* github.com/shurcooL/vfsgen to 0d455de96546

* github.com/go-git/go-git/v5 v5.1.0 -> v5.2.0

* github.com/google/uuid v1.1.1 -> v1.1.2

* github.com/huandu/xstrings v1.3.0 -> v1.3.2

* github.com/klauspost/compress v1.10.11 -> v1.11.1

* github.com/markbates/goth v1.61.2 -> v1.65.0

* github.com/mattn/go-sqlite3 v1.14.0 -> v1.14.4

* github.com/mholt/archiver v3.3.0 -> v3.3.2

* github.com/microcosm-cc/bluemonday 4f7140c49acb -> v1.0.4

* github.com/minio/minio-go v7.0.4 -> v7.0.5

* github.com/olivere/elastic v7.0.9 -> v7.0.20

* github.com/urfave/cli v1.20.0 -> v1.22.4

* github.com/prometheus/client_golang v1.1.0 -> v1.8.0

* github.com/xanzy/go-gitlab v0.37.0 -> v0.38.1

* mvdan.cc/xurls v2.1.0 -> v2.2.0

Co-authored-by: Lauris BH <lauris@nix.lv>
2020-10-16 01:06:27 -04:00

146 lines
3.6 KiB
Go
Vendored

// Copyright (c) 2017 Couchbase, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package zap
import (
"encoding/binary"
"io"
"github.com/RoaringBitmap/roaring"
)
// writes out the length of the roaring bitmap in bytes as varint
// then writes out the roaring bitmap itself
func writeRoaringWithLen(r *roaring.Bitmap, w io.Writer,
reuseBufVarint []byte) (int, error) {
buf, err := r.ToBytes()
if err != nil {
return 0, err
}
var tw int
// write out the length
n := binary.PutUvarint(reuseBufVarint, uint64(len(buf)))
nw, err := w.Write(reuseBufVarint[:n])
tw += nw
if err != nil {
return tw, err
}
// write out the roaring bytes
nw, err = w.Write(buf)
tw += nw
if err != nil {
return tw, err
}
return tw, nil
}
func persistFields(fieldsInv []string, w *CountHashWriter, dictLocs []uint64) (uint64, error) {
var rv uint64
var fieldsOffsets []uint64
for fieldID, fieldName := range fieldsInv {
// record start of this field
fieldsOffsets = append(fieldsOffsets, uint64(w.Count()))
// write out the dict location and field name length
_, err := writeUvarints(w, dictLocs[fieldID], uint64(len(fieldName)))
if err != nil {
return 0, err
}
// write out the field name
_, err = w.Write([]byte(fieldName))
if err != nil {
return 0, err
}
}
// now write out the fields index
rv = uint64(w.Count())
for fieldID := range fieldsInv {
err := binary.Write(w, binary.BigEndian, fieldsOffsets[fieldID])
if err != nil {
return 0, err
}
}
return rv, nil
}
// FooterSize is the size of the footer record in bytes
// crc + ver + chunk + field offset + stored offset + num docs + docValueOffset
const FooterSize = 4 + 4 + 4 + 8 + 8 + 8 + 8
func persistFooter(numDocs, storedIndexOffset, fieldsIndexOffset, docValueOffset uint64,
chunkMode uint32, crcBeforeFooter uint32, writerIn io.Writer) error {
w := NewCountHashWriter(writerIn)
w.crc = crcBeforeFooter
// write out the number of docs
err := binary.Write(w, binary.BigEndian, numDocs)
if err != nil {
return err
}
// write out the stored field index location:
err = binary.Write(w, binary.BigEndian, storedIndexOffset)
if err != nil {
return err
}
// write out the field index location
err = binary.Write(w, binary.BigEndian, fieldsIndexOffset)
if err != nil {
return err
}
// write out the fieldDocValue location
err = binary.Write(w, binary.BigEndian, docValueOffset)
if err != nil {
return err
}
// write out 32-bit chunk factor
err = binary.Write(w, binary.BigEndian, chunkMode)
if err != nil {
return err
}
// write out 32-bit version
err = binary.Write(w, binary.BigEndian, Version)
if err != nil {
return err
}
// write out CRC-32 of everything upto but not including this CRC
err = binary.Write(w, binary.BigEndian, w.crc)
if err != nil {
return err
}
return nil
}
func writeUvarints(w io.Writer, vals ...uint64) (tw int, err error) {
buf := make([]byte, binary.MaxVarintLen64)
for _, val := range vals {
n := binary.PutUvarint(buf, val)
var nw int
nw, err = w.Write(buf[:n])
tw += nw
if err != nil {
return tw, err
}
}
return tw, err
}