mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-25 22:01:40 +00:00
79 lines
2.4 KiB
Go
79 lines
2.4 KiB
Go
|
// Copyright 2024 The Hugo Authors. All rights reserved.
|
||
|
//
|
||
|
// 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 provides ways to identify values in Hugo. Used for dependency tracking etc.
|
||
|
package identity
|
||
|
|
||
|
import (
|
||
|
"fmt"
|
||
|
"sync/atomic"
|
||
|
|
||
|
hglob "github.com/gohugoio/hugo/hugofs/glob"
|
||
|
)
|
||
|
|
||
|
// NewGlobIdentity creates a new Identity that
|
||
|
// is probably dependent on any other Identity
|
||
|
// that matches the given pattern.
|
||
|
func NewGlobIdentity(pattern string) Identity {
|
||
|
glob, err := hglob.GetGlob(pattern)
|
||
|
if err != nil {
|
||
|
panic(err)
|
||
|
}
|
||
|
|
||
|
predicate := func(other Identity) bool {
|
||
|
return glob.Match(other.IdentifierBase())
|
||
|
}
|
||
|
|
||
|
return NewPredicateIdentity(predicate, nil)
|
||
|
}
|
||
|
|
||
|
var predicateIdentityCounter = &atomic.Uint32{}
|
||
|
|
||
|
type predicateIdentity struct {
|
||
|
id string
|
||
|
probablyDependent func(Identity) bool
|
||
|
probablyDependency func(Identity) bool
|
||
|
}
|
||
|
|
||
|
var (
|
||
|
_ IsProbablyDependencyProvider = &predicateIdentity{}
|
||
|
_ IsProbablyDependentProvider = &predicateIdentity{}
|
||
|
)
|
||
|
|
||
|
// NewPredicateIdentity creates a new Identity that implements both IsProbablyDependencyProvider and IsProbablyDependentProvider
|
||
|
// using the provided functions, both of which are optional.
|
||
|
func NewPredicateIdentity(
|
||
|
probablyDependent func(Identity) bool,
|
||
|
probablyDependency func(Identity) bool,
|
||
|
) *predicateIdentity {
|
||
|
if probablyDependent == nil {
|
||
|
probablyDependent = func(Identity) bool { return false }
|
||
|
}
|
||
|
if probablyDependency == nil {
|
||
|
probablyDependency = func(Identity) bool { return false }
|
||
|
}
|
||
|
return &predicateIdentity{probablyDependent: probablyDependent, probablyDependency: probablyDependency, id: fmt.Sprintf("predicate%d", predicateIdentityCounter.Add(1))}
|
||
|
}
|
||
|
|
||
|
func (id *predicateIdentity) IdentifierBase() string {
|
||
|
return id.id
|
||
|
}
|
||
|
|
||
|
func (id *predicateIdentity) IsProbablyDependent(other Identity) bool {
|
||
|
return id.probablyDependent(other)
|
||
|
}
|
||
|
|
||
|
func (id *predicateIdentity) IsProbablyDependency(other Identity) bool {
|
||
|
return id.probablyDependency(other)
|
||
|
}
|