mirror of
https://codeberg.org/forgejo/forgejo
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* update github.com/blevesearch/bleve v2.0.2 -> v2.0.3 * github.com/denisenkom/go-mssqldb v0.9.0 -> v0.10.0 * github.com/editorconfig/editorconfig-core-go v2.4.1 -> v2.4.2 * github.com/go-chi/cors v1.1.1 -> v1.2.0 * github.com/go-git/go-billy v5.0.0 -> v5.1.0 * github.com/go-git/go-git v5.2.0 -> v5.3.0 * github.com/go-ldap/ldap v3.2.4 -> v3.3.0 * github.com/go-redis/redis v8.6.0 -> v8.8.2 * github.com/go-sql-driver/mysql v1.5.0 -> v1.6.0 * github.com/go-swagger/go-swagger v0.26.1 -> v0.27.0 * github.com/lib/pq v1.9.0 -> v1.10.1 * github.com/mattn/go-sqlite3 v1.14.6 -> v1.14.7 * github.com/go-testfixtures/testfixtures v3.5.0 -> v3.6.0 * github.com/issue9/identicon v1.0.1 -> v1.2.0 * github.com/klauspost/compress v1.11.8 -> v1.12.1 * github.com/mgechev/revive v1.0.3 -> v1.0.6 * github.com/microcosm-cc/bluemonday v1.0.7 -> v1.0.8 * github.com/niklasfasching/go-org v1.4.0 -> v1.5.0 * github.com/olivere/elastic v7.0.22 -> v7.0.24 * github.com/pelletier/go-toml v1.8.1 -> v1.9.0 * github.com/prometheus/client_golang v1.9.0 -> v1.10.0 * github.com/xanzy/go-gitlab v0.44.0 -> v0.48.0 * github.com/yuin/goldmark v1.3.3 -> v1.3.5 * github.com/6543/go-version v1.2.4 -> v1.3.1 * do github.com/lib/pq v1.10.0 -> v1.10.1 again ...
159 lines
5 KiB
Go
Vendored
159 lines
5 KiB
Go
Vendored
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package filedesc provides functionality for constructing descriptors.
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//
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// The types in this package implement interfaces in the protoreflect package
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// related to protobuf descripriptors.
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package filedesc
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import (
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"google.golang.org/protobuf/encoding/protowire"
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"google.golang.org/protobuf/internal/genid"
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"google.golang.org/protobuf/reflect/protoreflect"
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pref "google.golang.org/protobuf/reflect/protoreflect"
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preg "google.golang.org/protobuf/reflect/protoregistry"
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)
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// Builder construct a protoreflect.FileDescriptor from the raw descriptor.
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type Builder struct {
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// GoPackagePath is the Go package path that is invoking this builder.
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GoPackagePath string
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// RawDescriptor is the wire-encoded bytes of FileDescriptorProto
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// and must be populated.
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RawDescriptor []byte
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// NumEnums is the total number of enums declared in the file.
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NumEnums int32
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// NumMessages is the total number of messages declared in the file.
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// It includes the implicit message declarations for map entries.
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NumMessages int32
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// NumExtensions is the total number of extensions declared in the file.
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NumExtensions int32
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// NumServices is the total number of services declared in the file.
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NumServices int32
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// TypeResolver resolves extension field types for descriptor options.
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// If nil, it uses protoregistry.GlobalTypes.
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TypeResolver interface {
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preg.ExtensionTypeResolver
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}
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// FileRegistry is use to lookup file, enum, and message dependencies.
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// Once constructed, the file descriptor is registered here.
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// If nil, it uses protoregistry.GlobalFiles.
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FileRegistry interface {
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FindFileByPath(string) (protoreflect.FileDescriptor, error)
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FindDescriptorByName(pref.FullName) (pref.Descriptor, error)
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RegisterFile(pref.FileDescriptor) error
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}
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}
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// resolverByIndex is an interface Builder.FileRegistry may implement.
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// If so, it permits looking up an enum or message dependency based on the
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// sub-list and element index into filetype.Builder.DependencyIndexes.
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type resolverByIndex interface {
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FindEnumByIndex(int32, int32, []Enum, []Message) pref.EnumDescriptor
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FindMessageByIndex(int32, int32, []Enum, []Message) pref.MessageDescriptor
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}
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// Indexes of each sub-list in filetype.Builder.DependencyIndexes.
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const (
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listFieldDeps int32 = iota
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listExtTargets
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listExtDeps
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listMethInDeps
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listMethOutDeps
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)
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// Out is the output of the Builder.
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type Out struct {
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File pref.FileDescriptor
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// Enums is all enum descriptors in "flattened ordering".
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Enums []Enum
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// Messages is all message descriptors in "flattened ordering".
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// It includes the implicit message declarations for map entries.
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Messages []Message
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// Extensions is all extension descriptors in "flattened ordering".
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Extensions []Extension
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// Service is all service descriptors in "flattened ordering".
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Services []Service
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}
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// Build constructs a FileDescriptor given the parameters set in Builder.
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// It assumes that the inputs are well-formed and panics if any inconsistencies
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// are encountered.
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//
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// If NumEnums+NumMessages+NumExtensions+NumServices is zero,
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// then Build automatically derives them from the raw descriptor.
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func (db Builder) Build() (out Out) {
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// Populate the counts if uninitialized.
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if db.NumEnums+db.NumMessages+db.NumExtensions+db.NumServices == 0 {
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db.unmarshalCounts(db.RawDescriptor, true)
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}
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// Initialize resolvers and registries if unpopulated.
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if db.TypeResolver == nil {
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db.TypeResolver = preg.GlobalTypes
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}
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if db.FileRegistry == nil {
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db.FileRegistry = preg.GlobalFiles
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}
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fd := newRawFile(db)
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out.File = fd
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out.Enums = fd.allEnums
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out.Messages = fd.allMessages
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out.Extensions = fd.allExtensions
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out.Services = fd.allServices
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if err := db.FileRegistry.RegisterFile(fd); err != nil {
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panic(err)
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}
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return out
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}
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// unmarshalCounts counts the number of enum, message, extension, and service
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// declarations in the raw message, which is either a FileDescriptorProto
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// or a MessageDescriptorProto depending on whether isFile is set.
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func (db *Builder) unmarshalCounts(b []byte, isFile bool) {
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for len(b) > 0 {
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num, typ, n := protowire.ConsumeTag(b)
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b = b[n:]
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switch typ {
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case protowire.BytesType:
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v, m := protowire.ConsumeBytes(b)
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b = b[m:]
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if isFile {
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switch num {
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case genid.FileDescriptorProto_EnumType_field_number:
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db.NumEnums++
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case genid.FileDescriptorProto_MessageType_field_number:
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db.unmarshalCounts(v, false)
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db.NumMessages++
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case genid.FileDescriptorProto_Extension_field_number:
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db.NumExtensions++
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case genid.FileDescriptorProto_Service_field_number:
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db.NumServices++
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}
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} else {
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switch num {
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case genid.DescriptorProto_EnumType_field_number:
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db.NumEnums++
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case genid.DescriptorProto_NestedType_field_number:
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db.unmarshalCounts(v, false)
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db.NumMessages++
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case genid.DescriptorProto_Extension_field_number:
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db.NumExtensions++
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}
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}
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default:
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m := protowire.ConsumeFieldValue(num, typ, b)
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b = b[m:]
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}
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}
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}
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