feat: ✨ support left align for titles

internal/align/left.go

@@ -9,10 +9,24 @@ import (
 // field to align left should register here
 var left = util.NewSet[string]()
 
-func Register(name string) {
-	left.Add(name)
+func Register(names ...string) {
+	for _, name := range names {
+		left.Add(name)
+	}
 }
 
 func IsLeft(name string) bool {
 	return left.Contains(name)
 }
+
+var leftHeaderFooter = util.NewSet[string]()
+
+func RegisterHeaderFooter(names ...string) {
+	for _, name := range names {
+		leftHeaderFooter.Add(name)
+	}
+}
+
+func IsLeftHeaderFooter(name string) bool {
+	return leftHeaderFooter.Contains(name)
+}

internal/content/group.go

@@ -1,6 +1,7 @@
 package content
 
 import (
+	"github.com/Equationzhao/g/internal/align"
 	"runtime"
 
 	constval "github.com/Equationzhao/g/internal/const"
@@ -41,6 +42,7 @@ func (g *GroupEnabler) DisableSmartMode() {
 }
 
 func (g *GroupEnabler) EnableGroup(renderer *render.Renderer) ContentOption {
+	align.RegisterHeaderFooter(GroupName)
 	return func(info *item.FileInfo) (string, string) {
 		name, returnFuncName := "", GroupName
 		if g.Numeric {

internal/content/inode.go

@@ -1,6 +1,7 @@
 package content
 
 import (
+	"github.com/Equationzhao/g/internal/align"
 	constval "github.com/Equationzhao/g/internal/const"
 	"github.com/Equationzhao/g/internal/item"
 	"github.com/Equationzhao/g/internal/osbased"
@@ -16,6 +17,7 @@ func NewInodeEnabler() *InodeEnabler {
 const Inode = constval.NameOfInode
 
 func (i *InodeEnabler) Enable(renderer *render.Renderer) ContentOption {
+	align.RegisterHeaderFooter(Inode)
 	return func(info *item.FileInfo) (string, string) {
 		i := ""
 		if m, ok := info.Cache[Inode]; ok {

internal/content/link.go

@@ -1,6 +1,7 @@
 package content
 
 import (
+	"github.com/Equationzhao/g/internal/align"
 	"strconv"
 
 	constval "github.com/Equationzhao/g/internal/const"
@@ -19,6 +20,7 @@ func NewLinkEnabler() *LinkEnabler {
 const Link = constval.NameOfLink
 
 func (l *LinkEnabler) Enable(renderer *render.Renderer) ContentOption {
+	align.RegisterHeaderFooter(Link)
 	return func(info *item.FileInfo) (string, string) {
 		return renderer.Link(strconv.FormatUint(osbased.LinkCount(info), 10)), Link
 	}

internal/content/mimetype.go

@@ -1,6 +1,7 @@
 package content
 
 import (
+	"github.com/Equationzhao/g/internal/align"
 	"os"
 	"strings"
 
@@ -27,6 +28,7 @@ const (
 )
 
 func (e *MimeFileTypeEnabler) Enable(renderer *render.Renderer) ContentOption {
+	align.RegisterHeaderFooter(MimeTypeName, ParentMimeTypeName)
 	return func(info *item.FileInfo) (string, string) {
 		res, returnName := func() (string, string) {
 			tn := ""

internal/content/owner.go

@@ -1,6 +1,7 @@
 package content
 
 import (
+	"github.com/Equationzhao/g/internal/align"
 	"runtime"
 
 	constval "github.com/Equationzhao/g/internal/const"
@@ -32,6 +33,7 @@ func (o *OwnerEnabler) DisableNumeric() {
 }
 
 func (o *OwnerEnabler) EnableOwner(renderer *render.Renderer) ContentOption {
+	align.RegisterHeaderFooter(OwnerName)
 	return func(info *item.FileInfo) (string, string) {
 		name, returnFuncName := "", ""
 		if o.Numeric {

internal/content/size.go

@@ -2,6 +2,7 @@ package content
 
 import (
 	"fmt"
+	"github.com/Equationzhao/g/internal/align"
 	"strconv"
 	"strings"
 	"sync/atomic"
@@ -242,6 +243,7 @@ const RecursiveSizeName = "recursive_size"
 
 func (s *SizeEnabler) EnableSize(size SizeUnit, renderer *render.Renderer) ContentOption {
 	s.sizeUint = size
+	align.RegisterHeaderFooter(SizeName)
 	return func(info *item.FileInfo) (string, string) {
 		var v int64
 		if s.recursive != nil {
@@ -271,6 +273,7 @@ func NewBlockSizeEnabler() *BlockSizeEnabler {
 const BlockSizeName = "Blocks"
 
 func (b *BlockSizeEnabler) Enable(renderer *render.Renderer) ContentOption {
+	align.RegisterHeaderFooter(BlockSizeName)
 	return func(info *item.FileInfo) (string, string) {
 		res := ""
 		bs := osbased.BlockSize(info)

internal/content/sum.go

@@ -7,6 +7,7 @@ import (
 	"crypto/sha256"
 	"crypto/sha512"
 	"fmt"
+	"github.com/Equationzhao/g/internal/align"
 	"hash"
 	"hash/crc32"
 	"io"
@@ -65,6 +66,7 @@ func (s SumEnabler) EnableSum(renderer *render.Renderer, sumTypes ...SumType) Co
 	}
 	length += len(sumTypes) - 1
 	sumName := fmt.Sprintf("%s(%s)", SumName, strings.Join(types, ","))
+	align.RegisterHeaderFooter(sumName)
 	return func(info *item.FileInfo) (string, string) {
 		if info.IsDir() {
 			return FillBlank("", length), sumName

internal/display/header.go

@@ -30,11 +30,19 @@ func (h HeaderMaker) Make(p Printer, Items ...*item.FileInfo) {
 	prettyPrinter, isPrettyPrinter := p.(PrettyPrinter)
 
 	expand := func(s string, no, space int) {
+		// left align
+		if no != len(h.AllPart)-1 && align.IsLeftHeaderFooter(s) {
+			_, _ = headerFooterStrBuf.WriteString(strings.Repeat(" ", space-1)) // remove the additional following space for right align
+		}
 		_, _ = headerFooterStrBuf.WriteString(constval.Underline)
 		_, _ = headerFooterStrBuf.WriteString(s)
 		_, _ = headerFooterStrBuf.WriteString(constval.Reset)
 		if no != len(h.AllPart)-1 {
-			_, _ = headerFooterStrBuf.WriteString(strings.Repeat(" ", space))
+			if !align.IsLeftHeaderFooter(s) {
+				_, _ = headerFooterStrBuf.WriteString(strings.Repeat(" ", space))
+			} else {
+				_, _ = headerFooterStrBuf.WriteString(strings.Repeat(" ", 1)) // still need the following space for left align
+			}
 		}
 	}
 
@@ -46,9 +54,9 @@ func (h HeaderMaker) Make(p Printer, Items ...*item.FileInfo) {
 				if s != constval.NameOfName {
 					toAddNum := len(s) - WidthNoHyperLinkLen(content.String())
 					if align.IsLeft(s) {
-						content.SetSuffix(strings.Repeat(" ", toAddNum))
+						content.AddSuffix(strings.Repeat(" ", toAddNum))
 					} else {
-						content.SetPrefix(strings.Repeat(" ", toAddNum))
+						content.AddPrefix(strings.Repeat(" ", toAddNum))
 					}
 				}
 				it.Set(s, content)

main_test.go

@@ -0,0 +1,69 @@
+package main
+
+import (
+	"github.com/Equationzhao/g/internal/config"
+	"github.com/agiledragon/gomonkey/v2"
+	"github.com/zeebo/assert"
+	"io/fs"
+	"os"
+	"testing"
+)
+
+func Test_catchPanic(t *testing.T) {
+	gomonkey.ApplyFunc(os.Exit, func(int) {})
+	tests := []struct {
+		name string
+		err  any
+	}{
+		{
+			name: "empty",
+			err:  nil,
+		},
+		{
+			name: "ErrExist",
+			err:  fs.ErrExist,
+		},
+		{
+			name: "ErrNotExist",
+			err:  fs.ErrNotExist,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			catchPanic(tt.err)
+		})
+	}
+}
+
+func Test_preprocessArgs(t *testing.T) {
+	settingArgs := []string{"--args2", "--args3"}
+	patch := gomonkey.NewPatches()
+	defer patch.Reset()
+	patch.ApplyFunc(config.Load, func() (*config.Config, error) {
+		return &config.Config{
+			Args: settingArgs,
+		}, nil
+	})
+
+	os.Args = []string{"g", "-no-config"}
+	preprocessArgs() // this will remove -no-config
+	assert.Equal(t, 1, len(os.Args))
+
+	os.Args = []string{"g", "--no-config"}
+	preprocessArgs() // this will remove -no-config
+	assert.Equal(t, 1, len(os.Args))
+
+	os.Args = []string{"g", "--args1"}
+	preprocessArgs() // this will add args from config
+	assert.Equal(t, 4, len(os.Args))
+	assert.DeepEqual(t, os.Args, []string{"g", "--args2", "--args3", "--args1"})
+
+	os.Args = []string{"g", "--args1", "-no-config"}
+	preprocessArgs()
+	assert.Equal(t, 2, len(os.Args))
+
+	settingArgs[0] = "-no-config"
+	os.Args = []string{"g", "--args1"}
+	preprocessArgs()
+	assert.Equal(t, 2, len(os.Args))
+}