structs

structs/field.go

@@ -0,0 +1,29 @@
+package structs
+
+import (
+	"reflect"
+
+	"github.com/charlienet/go-mixed/expr"
+)
+
+type field struct {
+	name        string
+	tagName     string
+	ignoreEmpty bool
+	ignore      bool
+}
+
+func parseField(fi reflect.StructField, opt option) field {
+	name, opts := parseTag(fi.Tag.Get(opt.TagName))
+
+	return field{
+		name:        fi.Name,
+		tagName:     expr.If(isValidTag(name), name, expr.If(opt.NameConverter != nil, opt.NameConverter(fi.Name), fi.Name)),
+		ignoreEmpty: opt.IgnoreEmpty || (opts.Contains("omitempty") && opt.Omitempty),
+		ignore:      name == "-" && opt.Ignore,
+	}
+}
+
+func (f field) shouldIgnore(s reflect.Value) bool {
+	return f.ignore || (s.IsZero() && f.ignoreEmpty)
+}