mirror of https://github.com/go-gitea/gitea.git
92 lines
1.9 KiB
Go
92 lines
1.9 KiB
Go
package editorconfig
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import (
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"golang.org/x/mod/semver"
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)
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// ErrInvalidVersion represents a standard error with the semantic version.
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var ErrInvalidVersion = errors.New("invalid semantic version")
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// Config holds the configuration.
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type Config struct {
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Path string
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Name string
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Version string
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Parser Parser
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}
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// Load loads definition of a given file.
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func (config *Config) Load(filename string) (*Definition, error) { // nolint: funlen
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// idiomatic go allows empty struct
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if config.Parser == nil {
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config.Parser = new(SimpleParser)
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}
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filename, err := filepath.Abs(filename)
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if err != nil {
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return nil, fmt.Errorf("cannot get absolute path for %q: %w", filename, err)
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}
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ecFile := config.Name
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if ecFile == "" {
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ecFile = ConfigNameDefault
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}
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definition := &Definition{}
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definition.Raw = make(map[string]string)
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if config.Version != "" {
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version := config.Version
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if !strings.HasPrefix(version, "v") {
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version = "v" + version
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}
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if ok := semver.IsValid(version); !ok {
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return nil, fmt.Errorf("version %s error: %w", config.Version, ErrInvalidVersion)
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}
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definition.version = version
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}
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dir := filename
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for dir != filepath.Dir(dir) {
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dir = filepath.Dir(dir)
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ec, err := config.Parser.ParseIni(filepath.Join(dir, ecFile))
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if err != nil {
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if errors.Is(err, os.ErrNotExist) {
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continue
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}
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return nil, fmt.Errorf("cannot parse the ini file %q: %w", ecFile, err)
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}
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// give it the current config.
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ec.config = config
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relativeFilename := filename
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if len(dir) < len(relativeFilename) {
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relativeFilename = relativeFilename[len(dir):]
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}
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def, err := ec.GetDefinitionForFilename(relativeFilename)
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if err != nil {
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return nil, fmt.Errorf("cannot get definition for %q: %w", relativeFilename, err)
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}
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definition.merge(def)
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if ec.Root {
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break
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}
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}
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return definition, nil
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}
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