// 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()) }