Initial QSfera import

Server/vendor/github.com/gookit/goutil/arrutil/format.go

@@ -0,0 +1,123 @@
+package arrutil
+
+import (
+	"io"
+	"reflect"
+
+	"github.com/gookit/goutil/comdef"
+	"github.com/gookit/goutil/strutil"
+)
+
+// ArrFormatter struct
+type ArrFormatter struct {
+	comdef.BaseFormatter
+	// Prefix string for each element
+	Prefix string
+	// Indent string for format each element
+	Indent string
+	// ClosePrefix on before end char: ]
+	ClosePrefix string
+}
+
+// NewFormatter instance
+func NewFormatter(arr any) *ArrFormatter {
+	f := &ArrFormatter{}
+	f.Src = arr
+	return f
+}
+
+// FormatIndent array data to string.
+func FormatIndent(arr any, indent string) string {
+	return NewFormatter(arr).WithIndent(indent).Format()
+}
+
+// WithFn for config self
+func (f *ArrFormatter) WithFn(fn func(f *ArrFormatter)) *ArrFormatter {
+	fn(f)
+	return f
+}
+
+// WithIndent string
+func (f *ArrFormatter) WithIndent(indent string) *ArrFormatter {
+	f.Indent = indent
+	return f
+}
+
+// FormatTo to custom buffer
+func (f *ArrFormatter) FormatTo(w io.Writer) {
+	f.SetOutput(w)
+	f.doFormat()
+}
+
+// Format to string
+func (f *ArrFormatter) String() string {
+	return f.Format()
+}
+
+// Format to string
+func (f *ArrFormatter) Format() string {
+	f.doFormat()
+	return f.BsWriter().String()
+}
+
+// Format to string
+//
+//goland:noinspection GoUnhandledErrorResult
+func (f *ArrFormatter) doFormat() {
+	if f.Src == nil {
+		return
+	}
+
+	rv, ok := f.Src.(reflect.Value)
+	if !ok {
+		rv = reflect.ValueOf(f.Src)
+	}
+
+	rv = reflect.Indirect(rv)
+	if rv.Kind() != reflect.Slice && rv.Kind() != reflect.Array {
+		return
+	}
+
+	writer := f.BsWriter()
+	arrLn := rv.Len()
+	if arrLn == 0 {
+		writer.WriteString("[]")
+		return
+	}
+
+	// if f.AfterReset {
+	// 	defer f.Reset()
+	// }
+
+	// sb.Grow(arrLn * 4)
+	writer.WriteByte('[')
+
+	indentLn := len(f.Indent)
+	if indentLn > 0 {
+		writer.WriteByte('\n')
+	}
+
+	for i := 0; i < arrLn; i++ {
+		if indentLn > 0 {
+			writer.WriteString(f.Indent)
+		}
+		writer.WriteString(strutil.QuietString(rv.Index(i).Interface()))
+
+		if i < arrLn-1 {
+			writer.WriteByte(',')
+
+			// no indent, with space
+			if indentLn == 0 {
+				writer.WriteByte(' ')
+			}
+		}
+		if indentLn > 0 {
+			writer.WriteByte('\n')
+		}
+	}
+
+	if f.ClosePrefix != "" {
+		writer.WriteString(f.ClosePrefix)
+	}
+	writer.WriteByte(']')
+}