Initial QSfera import

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

@@ -0,0 +1,125 @@
+package maputil
+
+import (
+	"io"
+	"reflect"
+
+	"github.com/gookit/goutil/comdef"
+	"github.com/gookit/goutil/strutil"
+)
+
+// MapFormatter struct
+type MapFormatter struct {
+	comdef.BaseFormatter
+	// Prefix string for each element
+	Prefix string
+	// Indent string for each element
+	Indent string
+	// ClosePrefix string for last "}"
+	ClosePrefix string
+	// AfterReset after reset on call Format().
+	// AfterReset bool
+}
+
+// NewFormatter instance
+func NewFormatter(mp any) *MapFormatter {
+	f := &MapFormatter{}
+	f.Src = mp
+
+	return f
+}
+
+// WithFn for config self
+func (f *MapFormatter) WithFn(fn func(f *MapFormatter)) *MapFormatter {
+	fn(f)
+	return f
+}
+
+// WithIndent string
+func (f *MapFormatter) WithIndent(indent string) *MapFormatter {
+	f.Indent = indent
+	return f
+}
+
+// FormatTo to custom buffer
+func (f *MapFormatter) FormatTo(w io.Writer) {
+	f.SetOutput(w)
+	f.doFormat()
+}
+
+// Format to string
+func (f *MapFormatter) String() string {
+	return f.Format()
+}
+
+// Format to string
+func (f *MapFormatter) Format() string {
+	f.doFormat()
+	return f.BsWriter().String()
+}
+
+// Format map data to string.
+//
+//goland:noinspection GoUnhandledErrorResult
+func (f *MapFormatter) 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.Map {
+		return
+	}
+
+	buf := f.BsWriter()
+	ln := rv.Len()
+	if ln == 0 {
+		buf.WriteString("{}")
+		return
+	}
+
+	// buf.Grow(ln * 16)
+	buf.WriteByte('{')
+
+	indentLn := len(f.Indent)
+	if indentLn > 0 {
+		buf.WriteByte('\n')
+	}
+
+	for i, key := range rv.MapKeys() {
+		strK := strutil.SafeString(key.Interface())
+		if indentLn > 0 {
+			buf.WriteString(f.Indent)
+		}
+
+		buf.WriteString(strK)
+		buf.WriteByte(':')
+
+		strV := strutil.SafeString(rv.MapIndex(key).Interface())
+		buf.WriteString(strV)
+		if i < ln-1 {
+			buf.WriteByte(',')
+
+			// no indent, with space
+			if indentLn == 0 {
+				buf.WriteByte(' ')
+			}
+		}
+
+		// with newline
+		if indentLn > 0 {
+			buf.WriteByte('\n')
+		}
+	}
+
+	if f.ClosePrefix != "" {
+		buf.WriteString(f.ClosePrefix)
+	}
+
+	buf.WriteByte('}')
+}