gitea/modules/packages/conan/reference.go

156 lines
3.9 KiB
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package conan
import (
"errors"
"fmt"
"regexp"
"strings"
"code.gitea.io/gitea/modules/log"
)
const (
// taken from https://github.com/conan-io/conan/blob/develop/conans/model/ref.py
minChars = 2
maxChars = 51
// DefaultRevision if no revision is specified
DefaultRevision = "0"
)
var (
namePattern = regexp.MustCompile(fmt.Sprintf(`^[a-zA-Z0-9_][a-zA-Z0-9_\+\.-]{%d,%d}$`, minChars-1, maxChars-1))
revisionPattern = regexp.MustCompile(fmt.Sprintf(`^[a-zA-Z0-9]{1,%d}$`, maxChars))
ErrValidation = errors.New("Could not validate one or more reference fields")
)
// RecipeReference represents a recipe <Name>/<Version>@<User>/<Channel>#<Revision>
type RecipeReference struct {
Name string
Version string
User string
Channel string
Revision string
}
func NewRecipeReference(name, version, user, channel, revision string) (*RecipeReference, error) {
log.Trace("Conan Recipe: %s/%s(@%s/%s(#%s))", name, version, user, channel, revision)
if user == "_" {
user = ""
}
if channel == "_" {
channel = ""
}
if (user != "" && channel == "") || (user == "" && channel != "") {
return nil, ErrValidation
}
if !namePattern.MatchString(name) {
return nil, ErrValidation
}
v := strings.TrimSpace(version)
if v == "" {
return nil, ErrValidation
}
if user != "" && !namePattern.MatchString(user) {
return nil, ErrValidation
}
if channel != "" && !namePattern.MatchString(channel) {
return nil, ErrValidation
}
if revision != "" && !revisionPattern.MatchString(revision) {
return nil, ErrValidation
}
return &RecipeReference{name, v, user, channel, revision}, nil
}
func (r *RecipeReference) RevisionOrDefault() string {
if r.Revision == "" {
return DefaultRevision
}
return r.Revision
}
func (r *RecipeReference) String() string {
rev := ""
if r.Revision != "" {
rev = "#" + r.Revision
}
if r.User == "" || r.Channel == "" {
return fmt.Sprintf("%s/%s%s", r.Name, r.Version, rev)
}
return fmt.Sprintf("%s/%s@%s/%s%s", r.Name, r.Version, r.User, r.Channel, rev)
}
func (r *RecipeReference) LinkName() string {
user := r.User
if user == "" {
user = "_"
}
channel := r.Channel
if channel == "" {
channel = "_"
}
return fmt.Sprintf("%s/%s/%s/%s/%s", r.Name, r.Version, user, channel, r.RevisionOrDefault())
}
func (r *RecipeReference) WithRevision(revision string) *RecipeReference {
return &RecipeReference{r.Name, r.Version, r.User, r.Channel, revision}
}
// AsKey builds the additional key for the package file
func (r *RecipeReference) AsKey() string {
return fmt.Sprintf("%s|%s|%s", r.User, r.Channel, r.RevisionOrDefault())
}
// PackageReference represents a package of a recipe <Name>/<Version>@<User>/<Channel>#<Revision> <Reference>#<Revision>
type PackageReference struct {
Recipe *RecipeReference
Reference string
Revision string
}
func NewPackageReference(recipe *RecipeReference, reference, revision string) (*PackageReference, error) {
log.Trace("Conan Package: %v %s(#%s)", recipe, reference, revision)
if recipe == nil {
return nil, ErrValidation
}
if reference == "" || !revisionPattern.MatchString(reference) {
return nil, ErrValidation
}
if revision != "" && !revisionPattern.MatchString(revision) {
return nil, ErrValidation
}
return &PackageReference{recipe, reference, revision}, nil
}
func (r *PackageReference) RevisionOrDefault() string {
if r.Revision == "" {
return DefaultRevision
}
return r.Revision
}
func (r *PackageReference) LinkName() string {
return fmt.Sprintf("%s/%s", r.Reference, r.RevisionOrDefault())
}
func (r *PackageReference) WithRevision(revision string) *PackageReference {
return &PackageReference{r.Recipe, r.Reference, revision}
}
// AsKey builds the additional key for the package file
func (r *PackageReference) AsKey() string {
return fmt.Sprintf("%s|%s|%s|%s|%s", r.Recipe.User, r.Recipe.Channel, r.Recipe.RevisionOrDefault(), r.Reference, r.RevisionOrDefault())
}