From ad601fc2af54d7b02a0525e759d4773c5838f450 Mon Sep 17 00:00:00 2001
From: swxctx <swxctx@gmail.com>
Date: Thu, 20 Dec 2018 20:28:54 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E5=8F=8D=E5=B0=84=E8=AF=BB?=
 =?UTF-8?q?=E5=8F=96?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 sub.go | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 sub.go

diff --git a/sub.go b/sub.go
new file mode 100644
index 0000000..9dd283f
--- /dev/null
+++ b/sub.go
@@ -0,0 +1,58 @@
+package main
+
+import (
+	"fmt"
+	"reflect"
+)
+
+// get sub
+func (xj *xjson) subStruct(key string, out interface{}) {
+	dout := out.(map[string]interface{})
+	m := map[int]string{}
+	index := 0
+	sk := xj.keyCase(key)
+	m[index] = fmt.Sprintf(Xbegin, sk)
+	for k, v := range dout {
+		orik, k := xj.keyFilter(k)
+		tmptype := fmt.Sprintf(Xstr, reflect.TypeOf(v))
+		if tmptype == Xmap {
+			xj.subStruct(orik, v)
+			tmptype = k
+		}
+		if tmptype == Xlist {
+			xj.subList(orik, v)
+			tmptype = k
+		}
+
+		index++
+		m[index] = fmt.Sprintf(Xkeyv, k, tmptype, xj.MapTag[k])
+	}
+	m[index+1] = Xend
+	xj.Sub = append(xj.Sub, m)
+}
+
+// get sublist
+func (xj *xjson) subList(key string, out interface{}) {
+	dout := out.([]interface{})
+	list := map[string]interface{}{}
+	for _, vl := range dout {
+		vtype := fmt.Sprintf(Xstr, reflect.TypeOf(vl))
+		if vtype == Xlist {
+			xj.subList(key, vl)
+			continue
+		}
+
+		if vtype == Xmap {
+			m := vl.(map[string]interface{})
+			for k, v := range m {
+				_, k := xj.keyFilter(k)
+				if _, ok := list[k]; ok {
+					continue
+				}
+				list[k] = v
+			}
+		}
+
+	}
+	xj.subStruct(key, list)
+}