initial

query/types.go

@@ -0,0 +1,43 @@
+package query
+
+import (
+	"strings"
+
+	"github.com/gogo/protobuf/proto"
+)
+
+var (
+	_ proto.Message = (*Query)(nil)
+	_ proto.Message = (*Filter)(nil)
+)
+
+// String returns string representation of Filter.
+func (m Filter) String() string {
+	b := new(strings.Builder)
+	b.WriteString("<Filter '$" + m.Name + "' ")
+	switch m.Type {
+	case Filter_Exact:
+		b.WriteString("==")
+	case Filter_Regex:
+		b.WriteString("~=")
+	default:
+		b.WriteString("??")
+	}
+	b.WriteString(" '" + m.Value + "'>")
+	return b.String()
+}
+
+// String returns string representation of Query.
+func (m Query) String() string {
+	b := new(strings.Builder)
+	b.WriteString("<Query [")
+	ln := len(m.Filters)
+	for i := 0; i < ln; i++ {
+		b.WriteString(m.Filters[i].String())
+		if ln-1 != i {
+			b.WriteByte(',')
+		}
+	}
+	b.WriteByte(']')
+	return b.String()
+}