Add options to control sections insensitive or keys insensitive respectively (#253)

Co-authored-by: ᴜɴᴋɴᴡᴏɴ <u@gogs.io>

file.go

@@ -82,7 +82,7 @@ func (f *File) NewSection(name string) (*Section, error) {
 		return nil, errors.New("empty section name")
 	}
 
-	if f.options.Insensitive && name != DefaultSection {
+	if (f.options.Insensitive || f.options.InsensitiveSections) && name != DefaultSection {
 		name = strings.ToLower(name)
 	}
 
@@ -144,7 +144,7 @@ func (f *File) SectionsByName(name string) ([]*Section, error) {
 	if len(name) == 0 {
 		name = DefaultSection
 	}
-	if f.options.Insensitive {
+	if f.options.Insensitive || f.options.InsensitiveSections {
 		name = strings.ToLower(name)
 	}
 
@@ -236,7 +236,7 @@ func (f *File) DeleteSectionWithIndex(name string, index int) error {
 	if len(name) == 0 {
 		name = DefaultSection
 	}
-	if f.options.Insensitive {
+	if f.options.Insensitive || f.options.InsensitiveSections {
 		name = strings.ToLower(name)
 	}
 

file_test.go

@@ -351,6 +351,16 @@ key1 = value1
 
 `)
 	})
+
+	Convey("Delete a section with InsensitiveSections", t, func() {
+		f := ini.Empty(ini.LoadOptions{InsensitiveSections: true})
+		So(f, ShouldNotBeNil)
+
+		_ = f.NewSections("author", "package", "features")
+		f.DeleteSection("FEATURES")
+		f.DeleteSection("")
+		So(f.SectionStrings(), ShouldResemble, []string{"author", "package"})
+	})
 }
 
 func TestFile_Append(t *testing.T) {

ini.go

@@ -71,6 +71,10 @@ type LoadOptions struct {
 	Loose bool
 	// Insensitive indicates whether the parser forces all section and key names to lowercase.
 	Insensitive bool
+	// InsensitiveSections indicates whether the parser forces all section to lowercase.
+	InsensitiveSections bool
+	// InsensitiveKeys indicates whether the parser forces all key names to lowercase.
+	InsensitiveKeys bool
 	// IgnoreContinuation indicates whether to ignore continuation lines while parsing.
 	IgnoreContinuation bool
 	// IgnoreInlineComment indicates whether to ignore comments at the end of value and treat it as part of value.

ini_test.go

@@ -317,6 +317,58 @@ e-mail = u@gogs.io
 				})
 			})
 
+			Convey("Insensitive to sections and sensitive to key names", func() {
+				f, err := ini.LoadSources(ini.LoadOptions{InsensitiveSections: true}, minimalConf)
+				So(err, ShouldBeNil)
+				So(f, ShouldNotBeNil)
+
+				So(f.Section("Author").Key("E-MAIL").String(), ShouldEqual, "u@gogs.io")
+
+				Convey("Write out", func() {
+					var buf bytes.Buffer
+					_, err := f.WriteTo(&buf)
+					So(err, ShouldBeNil)
+					So(buf.String(), ShouldEqual, `[author]
+E-MAIL = u@gogs.io
+
+`)
+				})
+
+				Convey("Inverse case", func() {
+					f, err := ini.LoadSources(ini.LoadOptions{}, minimalConf)
+					So(err, ShouldBeNil)
+					So(f, ShouldNotBeNil)
+
+					So(f.Section("Author").Key("e-mail").String(), ShouldBeEmpty)
+				})
+			})
+
+			Convey("Sensitive to sections and insensitive to key names", func() {
+				f, err := ini.LoadSources(ini.LoadOptions{InsensitiveKeys: true}, minimalConf)
+				So(err, ShouldBeNil)
+				So(f, ShouldNotBeNil)
+
+				So(f.Section("author").Key("e-mail").String(), ShouldEqual, "u@gogs.io")
+
+				Convey("Write out", func() {
+					var buf bytes.Buffer
+					_, err := f.WriteTo(&buf)
+					So(err, ShouldBeNil)
+					So(buf.String(), ShouldEqual, `[author]
+e-mail = u@gogs.io
+
+`)
+				})
+
+				Convey("Inverse case", func() {
+					f, err := ini.LoadSources(ini.LoadOptions{}, minimalConf)
+					So(err, ShouldBeNil)
+					So(f, ShouldNotBeNil)
+
+					So(f.Section("Author").Key("e-mail").String(), ShouldBeEmpty)
+				})
+			})
+
 			Convey("Ignore continuation lines", func() {
 				f, err := ini.LoadSources(ini.LoadOptions{
 					AllowPythonMultilineValues: true,

parser.go

@@ -377,7 +377,7 @@ func (f *File) parse(reader io.Reader) (err error) {
 
 	// Ignore error because default section name is never empty string.
 	name := DefaultSection
-	if f.options.Insensitive {
+	if f.options.Insensitive || f.options.InsensitiveSections {
 		name = strings.ToLower(DefaultSection)
 	}
 	section, _ := f.NewSection(name)
@@ -469,7 +469,7 @@ func (f *File) parse(reader io.Reader) (err error) {
 			inUnparseableSection = false
 			for i := range f.options.UnparseableSections {
 				if f.options.UnparseableSections[i] == name ||
-					(f.options.Insensitive && strings.EqualFold(f.options.UnparseableSections[i], name)) {
+					((f.options.Insensitive || f.options.InsensitiveSections) && strings.EqualFold(f.options.UnparseableSections[i], name)) {
 					inUnparseableSection = true
 					continue
 				}

section.go

@@ -66,7 +66,7 @@ func (s *Section) SetBody(body string) {
 func (s *Section) NewKey(name, val string) (*Key, error) {
 	if len(name) == 0 {
 		return nil, errors.New("error creating new key: empty key name")
-	} else if s.f.options.Insensitive {
+	} else if s.f.options.Insensitive || s.f.options.InsensitiveKeys {
 		name = strings.ToLower(name)
 	}
 
@@ -109,7 +109,7 @@ func (s *Section) GetKey(name string) (*Key, error) {
 	if s.f.BlockMode {
 		s.f.lock.RLock()
 	}
-	if s.f.options.Insensitive {
+	if s.f.options.Insensitive || s.f.options.InsensitiveKeys {
 		name = strings.ToLower(name)
 	}
 	key := s.keys[name]