From e54a60199c665de0af7cb680cce3628edabe9138 Mon Sep 17 00:00:00 2001
From: shaoying <shylinux@icloud.com>
Date: Sun, 17 Oct 2021 11:11:01 +0800
Subject: [PATCH] add lex.split

---
 base/lex/split.go | 68 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 base/lex/split.go

diff --git a/base/lex/split.go b/base/lex/split.go
new file mode 100644
index 00000000..63f39044
--- /dev/null
+++ b/base/lex/split.go
@@ -0,0 +1,68 @@
+package lex
+
+import (
+	"strings"
+
+	ice "shylinux.com/x/icebergs"
+	"shylinux.com/x/icebergs/base/nfs"
+	kit "shylinux.com/x/toolkits"
+)
+
+func _split_list(m *ice.Message, file string, arg ...string) {
+	const DEEP = "_deep"
+	list := []interface{}{kit.Data(DEEP, -1)}
+	m.Cmd(nfs.CAT, file, func(text string) {
+		if text = kit.Split(text, "#", "#")[0]; strings.TrimSpace(text) == "" {
+			return
+		}
+
+		deep := 0
+		for _, c := range text {
+			switch c {
+			case '\t':
+				deep += 4
+			case ' ':
+				deep++
+			}
+		}
+		data := kit.Data(DEEP, deep)
+
+		ls := kit.Split(text)
+		for _, k := range arg {
+			if kit.Value(data, kit.Keym(k), kit.Select("", ls, 0)); len(ls) > 0 {
+				ls = ls[1:]
+			}
+		}
+		for i := 0; i < len(ls)-1; i += 2 {
+			kit.Value(data, kit.Keym(ls[i]), ls[i+1])
+		}
+
+		for i := len(list) - 1; i >= 0; i-- {
+			if deep > kit.Int(kit.Value(list[i], kit.Keym(DEEP))) {
+				kit.Value(list[i], "list.-2", data)
+				list = append(list, data)
+				break
+			}
+			list = list[:len(list)-1]
+		}
+	})
+	m.Echo(kit.Formats(list[:1]))
+}
+
+const SPLIT = "split"
+
+func init() {
+	Index.Merge(&ice.Context{Configs: map[string]*ice.Config{
+		SPLIT: {Name: "split", Help: "解析", Value: kit.Data()},
+	}, Commands: map[string]*ice.Command{
+		SPLIT: {Name: "split path key auto", Help: "解析", Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
+			if len(arg) == 0 || strings.HasSuffix(arg[0], "/") {
+				m.Cmdy(nfs.DIR, arg)
+				return
+			}
+
+			_split_list(m, arg[0], arg[1:]...)
+			m.ProcessDisplay("/plugin/local/wiki/json.js")
+		}},
+	}})
+}