feat: Manage ini files

cmd/utils.go

@@ -130,6 +130,8 @@ func configureDecoder(evaluateTogether bool) (yqlib.Decoder, error) {
 
 func createDecoder(format yqlib.InputFormat, evaluateTogether bool) (yqlib.Decoder, error) {
 	switch format {
+	case yqlib.IniInputFormat:
+		return yqlib.NewIniDecoder(), nil
 	case yqlib.LuaInputFormat:
 		return yqlib.NewLuaDecoder(yqlib.ConfiguredLuaPreferences), nil
 	case yqlib.XMLInputFormat:

go.mod

@@ -18,6 +18,7 @@ require (
 	github.com/yuin/gopher-lua v1.1.0
 	golang.org/x/net v0.17.0
 	golang.org/x/text v0.13.0
+	gopkg.in/ini.v1 v1.67.0
 	gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473
 	gopkg.in/yaml.v3 v3.0.1
 )

go.sum

@@ -63,6 +63,8 @@ golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f h1:uF6paiQQebLeSXkrTqHqz
 golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
+gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473 h1:6D+BvnJ/j6e222UW8s2qTSe3wGBtvo0MbVQG/c5k8RE=
 gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473/go.mod h1:N1eN2tsCx0Ydtgjl4cqmbRCsY4/+z4cYDeqwZTk6zog=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

pkg/yqlib/decoder.go

@@ -19,6 +19,7 @@ const (
 	TomlInputFormat
 	UriInputFormat
 	LuaInputFormat
+	IniInputFormat
 )
 
 type Decoder interface {
@@ -44,8 +45,10 @@ func InputFormatFromString(format string) (InputFormat, error) {
 		return TomlInputFormat, nil
 	case "lua", "l":
 		return LuaInputFormat, nil
+	case "ini", "i":
+		return IniInputFormat, nil
 	default:
-		return 0, fmt.Errorf("unknown format '%v' please use [yaml|json|props|csv|tsv|xml|toml]", format)
+		return 0, fmt.Errorf("unknown format '%v' please use [yaml|json|props|csv|tsv|xml|toml|ini]", format)
 	}
 }
 

pkg/yqlib/decoder_ini.go

@@ -0,0 +1,37 @@
+package yqlib
+
+import (
+	"io"
+
+	ini "gopkg.in/ini.v1"
+)
+
+type iniDecoder struct {
+	cfg      *ini.File
+	finished bool
+}
+
+func NewIniDecoder() Decoder {
+	return &iniDecoder{
+		finished: false,
+	}
+}
+
+func (dec *iniDecoder) Init(reader io.Reader) error {
+	var err error
+	dec.cfg, err = ini.Load(reader)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (dec *iniDecoder) Decode() (*CandidateNode, error) {
+	if dec.finished {
+		return nil, io.EOF
+	}
+
+	log.Debug("ok here we go")
+	return nil, nil
+}