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1042 lines (908 loc) · 25.6 KB
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package main
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"github.com/creack/pty"
"github.com/gdamore/tcell/v2"
"github.com/gofrs/uuid"
"github.com/rivo/tview"
"github.com/tidwall/gjson"
"github.com/tidwall/sjson"
"golang.org/x/crypto/ssh/terminal"
"github.com/micmonay/keybd_event"
"io"
"io/ioutil"
"log"
"os"
"os/exec"
"os/signal"
"reflect"
"strconv"
"strings"
"syscall"
"time"
"sort"
)
const (
moveNext int = iota + 1
movePre
)
var (
ErrEmptyJSON = errors.New("empty json")
)
func run() int {
os.Stdin = os.NewFile(uintptr(syscall.Stderr), "/dev/tty")
//var err error
if len(os.Args) <= 1 {
log.Fatal("please give json file name")
}
b, err := ioutil.ReadFile(os.Args[1])
if err != nil {
log.Fatal("Error when get json file: ", err)
}
var i interface{}
if err := json.Unmarshal(b, &i); err != nil {
log.Fatal("Error when unmarshal json file: ", err)
}
// log.Printf("%s", payload)
// log.Printf("%s", i)
if err := New().Run(i); err != nil {
//if err := New(); err != nil {
return 1
}
return 0
}
type Gui struct {
Tree *Tree
Navi *Navi
App *tview.Application
Pages *tview.Pages
Text *tview.TextView
}
func New() *Gui {
g := &Gui{
Tree: NewTree(),
Navi: NewNavi(),
App: tview.NewApplication(),
Pages: tview.NewPages(),
Text: tview.NewTextView(),
}
return g
}
func (g *Gui) Run(i interface{}) error {
g.Tree.UpdateView(g, i)
g.Tree.SetKeybindings(g)
g.Navi.UpdateView()
g.Navi.SetKeybindings(g)
g.Text.SetTextAlign(tview.AlignLeft).SetText("Text").SetBorder(true).SetTitle("text content")
//g.Text.SetKeybindings(g)
//g.Text.SetDoneFunc(func(key tcell.Key) {
// if key == tcell.KeyEnter {
// log.Println("child.GetText()")
// g.EditWithEditor()
// }
//})
grid := tview.NewGrid().
SetColumns(-1, -1).
AddItem(g.Tree, 0, 0, 1, 1, 0, 0, true).
AddItem(g.Text, 0, 1, 1, 1, 0, 0, true)
g.Pages.AddAndSwitchToPage("main", grid, true)
if err := g.App.SetRoot(g.Pages, true).Run(); err != nil {
return err
}
return nil
}
func (g *Gui) Search() {
pageName := "search"
if g.Pages.HasPage(pageName) {
g.Pages.ShowPage(pageName)
} else {
input := tview.NewInputField()
input.SetBorder(true).SetTitle("search").SetTitleAlign(tview.AlignLeft)
input.SetChangedFunc(func(text string) {
root := *g.Tree.OriginRoot
g.Tree.SetRoot(&root)
if text != "" {
root := g.Tree.GetRoot()
root.SetChildren(g.walk(root.GetChildren(), text))
}
})
input.SetLabel("word").SetLabelWidth(5).SetDoneFunc(func(key tcell.Key) {
if key == tcell.KeyEnter {
g.Pages.HidePage(pageName)
}
})
g.Pages.AddAndSwitchToPage(pageName, g.Modal(input, 0, 3), true).ShowPage("main")
}
}
func (g *Gui) walk(nodes []*tview.TreeNode, text string) []*tview.TreeNode {
var newNodes []*tview.TreeNode
for _, child := range nodes {
if strings.Index(strings.ToLower(child.GetText()), strings.ToLower(text)) != -1 {
newNodes = append(newNodes, child)
} else {
newNodes = append(newNodes, g.walk(child.GetChildren(), text)...)
}
}
return newNodes
}
func (g *Gui) get_parent_node_by_id(p_node *tview.TreeNode, id string) []*tview.TreeNode {
var parent_nodes []*tview.TreeNode
nodes := p_node.GetChildren()
for _, child := range nodes {
if child.GetReference().(Reference).ID == id {
parent_nodes = append(parent_nodes, p_node)
break
} else {
parent_nodes = append(parent_nodes, g.get_parent_node_by_id(child, id)...)
}
}
return parent_nodes
}
func (g *Gui) AddNode() {
labels := []string{"json"}
g.Form(labels, "add", "add new node", "add_new_node", 7, func(values map[string]string) error {
j := values[labels[0]]
if j == "" {
log.Println("empty json")
return ErrEmptyJSON
}
buf := bytes.NewBufferString(j)
i, err := UnMarshalJSON(buf)
if err != nil {
return err
}
newNode := NewRootTreeNode(i)
newNode.SetChildren(g.Tree.AddNode(i))
g.Tree.GetCurrentNode().AddChild(newNode)
g.Tree.OriginRoot = g.Tree.GetRoot()
return nil
})
}
func (g *Gui) AddNode_2() {
// recover if in search results treeview
root := *g.Tree.OriginRoot
g.Tree.SetRoot(&root)
// construct one note json as object{}
dt := fmt.Sprintf(time.Now().Format("2006.01.01-15:04:05"))
j := fmt.Sprintf(`{"%v":""}`, dt)
buf := bytes.NewBufferString(j)
i, err := UnMarshalJSON(buf)
if err != nil {
log.Println(err)
}
newNode := NewRootTreeNode(i)
newNode.SetChildren(g.Tree.AddNode(i))
newKeyNode := newNode.GetChildren()[0]
newTextNode := newNode.GetChildren()[0].GetChildren()[0]
if txt := g.Tree.GetRoot().GetText(); txt == "{array" {
g.Tree.GetRoot().AddChild(newNode)
g.Tree.OriginRoot = g.Tree.GetRoot()
g.Tree.SetCurrentNode(newTextNode)
} else {
g.Tree.GetRoot().AddChild(newKeyNode)
g.Tree.OriginRoot = g.Tree.GetRoot()
g.Tree.SetCurrentNode(newTextNode)
}
//--------------
t := g.Tree
text := t.GetCurrentNode().GetText()
g.Text.SetText(text)
g.EditWithEditor(t)
}
func (g *Gui) Form(fieldLabel []string, doneLabel, title, pageName string, height int, doneFunc func(values map[string]string) error) {
if g.Pages.HasPage(pageName) {
g.Pages.ShowPage(pageName)
return
}
form := tview.NewForm()
for _, label := range fieldLabel {
form.AddInputField(label, "", 0, nil, nil)
}
form.AddButton(doneLabel, func() {
values := make(map[string]string)
for _, label := range fieldLabel {
item := form.GetFormItemByLabel(label)
switch item.(type) {
case *tview.InputField:
input, ok := item.(*tview.InputField)
if ok {
values[label] = os.ExpandEnv(input.GetText())
}
}
}
if err := doneFunc(values); err != nil {
// g.Message(err.Error(), pageName, func() {})
log.Println(err.Error(), "error")
return
}
g.Pages.RemovePage(pageName)
}).
AddButton("cancel", func() {
g.Pages.RemovePage(pageName)
})
form.SetBorder(true).SetTitle(title).SetTitleAlign(tview.AlignLeft)
g.Pages.AddAndSwitchToPage(pageName, g.Modal(form, 0, height), true).ShowPage("main")
}
var json_str string
func (g *Gui) Save_json_2() {
root := *g.Tree.OriginRoot
var buf bytes.Buffer
enc := json.NewEncoder(&buf)
//enc.
enc.Encode(g.MakeJSON(&root))
ioutil.WriteFile(os.Args[1], buf.Bytes(), 0666)
// log.Println("saved\r\n")
}
func (g *Gui) DeleteNode() {
t := g.Tree
node_this := t.GetCurrentNode()
id := node_this.GetReference().(Reference).ID
root := g.Tree.OriginRoot
root.Walk(func(node, parent *tview.TreeNode) bool {
nid := node.GetReference().(Reference).ID
if nid == id && parent != nil {
parent.RemoveChild(node)
// delele in search result
nodes_of_search := g.Tree.GetRoot().GetChildren()
for _, node := range nodes_of_search {
nid := node.GetReference().(Reference).ID
if nid == id {
g.Tree.GetRoot().RemoveChild(node)
}
}
g.Text.SetText("")
g.Save_json_2()
return true
}
return true
})
}
func (g *Gui) Save_json() {
root_s := *g.Tree.OriginRoot
r := root_s.GetText()
p_s := ""
switch r {
case "{object}":
json_str = "{}"
case "{array}":
json_str = "[]"
p_s = p_s + ".yesiamamarkforarray"
case "{value}":
json_str, _ = sjson.SetRaw(root_s.GetReference().(Reference).OnlySimpleValue, "", "")
}
// ValueType: null boolean number string array object
// AsKey: Fasle True
children := root_s.GetChildren()
g.walk_json(children, p_s)
// save edited json to file
fs, _ := os.OpenFile("save.json", os.O_CREATE, 0666)
if err := ioutil.WriteFile(fs.Name(), []byte(json_str), 0666); err != nil {
log.Println(fmt.Sprintf("can't create json file: %s", err))
}
defer fs.Close()
}
func (g *Gui) walk_json(nodes []*tview.TreeNode, ps string) {
for _, child := range nodes {
var psr string
psr = strings.Clone(ps) // psr for deal in this loop time in circle ; ps for pass to next children nodes
json_type := child.GetReference().(Reference).JSONType
text := child.GetText()
var idx int64
text = strings.Replace(text, ":", "placeholderforclean", -1)
// check numberic key for escape . in path_string
if json_type != Value {
if _, err := strconv.ParseFloat(text, 64); err == nil {
text = ":" + text // for sjson use number as key}
// log.Println("^^^^", text, "\r\n")
}
text = strings.Replace(text, ".", "\\.", -1) // escape .
}
has_key_part := child.GetReference().(Reference).KeyPart // node has key part
var array_len_check_str string
var inte int
var flt float64
// check array
path_array := strings.Split(ps, ".")
if path_array[len(path_array)-1] == "yesiamamarkforarray" {
if len(path_array) == 2 { //for only one array as whole json ["", "yesiamamarkforarray"]
array_len_check_str = "#"
idx = gjson.Get(json_str, array_len_check_str).Int()
psr = strconv.FormatInt(idx, 10)
} else { // get array length then put index(for insert position) into path_string
array_len_check_str = strings.Join(path_array[:len(path_array)-1], ".") + ".#"
array_len_check_str = strings.Replace(array_len_check_str, ":", "", -1) // for gjson no need:
idx = gjson.Get(json_str, array_len_check_str).Int()
text = strings.Replace(text, "placeholderforclean", ":", -1)
// log.Println(idx)
psr = strings.Join(append(path_array[:len(path_array)-1], strconv.FormatInt(idx, 10)), ".")
}
log.Println("original_json:", json_str, "--in-array--len_check_str:", array_len_check_str, "get_idx:", idx, "construct_psr:", psr, "\r\n")
}
switch json_type {
case Object:
if has_key_part {
if psr != "" {
psr = psr + "." + text
} else {
psr = text
}
}
case Array:
if has_key_part {
psr = psr + "." + text + ".yesiamamarkforarray"
} else {
psr = psr + ".yesiamamarkforarray"
}
case Key:
if psr != "" {
psr = psr + "." + text
} else {
psr = text
}
case Value:
value_type := child.GetReference().(Reference).ValueType
switch value_type {
case String:
text = strings.Replace(child.GetText(), "\\.", ".", -1) // return \. to .
json_str, _ = sjson.Set(json_str, psr, text)
case Int:
inte, _ = strconv.Atoi(text)
json_str, _ = sjson.Set(json_str, psr, inte)
case Float:
flt, _ = strconv.ParseFloat(text, 64)
json_str, _ = sjson.Set(json_str, psr, flt)
default:
json_str, _ = sjson.Set(json_str, psr, text)
}
// json_str, _ = sjson.Set(json_str, psr, text)
log.Println("*path_str:", psr, "*set_text:", text, "*get json_str:", json_str, "\r\n")
log.Println("*set_text:", text, "*result_json_str:", json_str, "\r\n")
}
//log.Println("<<<ps:", ps, "\r\n")
g.walk_json(child.GetChildren(), psr)
}
}
func (g *Gui) Modal(p tview.Primitive, width, height int) tview.Primitive {
return tview.NewGrid().
SetColumns(0, width, 0).
SetRows(0, height, 0).
AddItem(p, 1, 1, 1, 1, 0, 0, true)
}
// func (g *Gui) ModalT(p tview.Primitive, width, height int) tview.Primitive {
// return tview.NewGrid().
// SetColumns(0, width, 0).
// SetRows(0, height, 0).
// AddItem(p, 1, 2, 1, 1, 0, 0, true)
// }
func (g *Gui) MakeJSON(node *tview.TreeNode) interface{} {
ref := node.GetReference().(Reference)
children := node.GetChildren()
switch ref.JSONType {
case Object:
i := make(map[string]interface{})
for _, n := range children {
i[n.GetText()] = g.MakeJSON(n)
}
return i
case Array:
var i []interface{}
for _, n := range children {
i = append(i, g.MakeJSON(n))
}
return i
case Key:
if len(node.GetChildren()) == 0 {
return ""
}
v := node.GetChildren()[0]
if v.GetReference().(Reference).JSONType == Value {
return g.parseValue(v)
}
return map[string]interface{}{
node.GetText(): g.MakeJSON(v),
}
}
return g.parseValue(node)
}
func (g *Gui) parseValue(node *tview.TreeNode) interface{} {
v := node.GetText()
ref := node.GetReference().(Reference)
switch ref.ValueType {
case Int:
i, _ := strconv.Atoi(v)
return i
case Float:
f, _ := strconv.ParseFloat(v, 64)
return f
case Boolean:
b, _ := strconv.ParseBool(v)
return b
case Null:
return nil
}
return v
}
func (g *Gui) Input(text, label string, width int, doneFunc func(text string)) {
//input := tview.NewInputField().SetText(text)
//input.SetBorder(true)
//input.SetLabel(label).SetLabelWidth(width).SetDoneFunc(func(key tcell.Key) {
// if key == tcell.KeyEnter {
// doneFunc(input.GetText())
// g.Pages.RemovePage("input")
// }
//})
//g.Pages.AddAndSwitchToPage("input", g.Modal(input, 0, 3), true).ShowPage("main")
}
func (g *Gui) EditWithEditor(t *Tree) {
g.App.Suspend(func() {
text := t.GetCurrentNode().GetText()
f, err := ioutil.TempFile("", "tson")
ioutil.WriteFile(f.Name(), []byte(text), 0644)
//f, err := os.Open("note.json")
f.Close()
editor := os.Getenv("EDITOR")
if editor == "" {
log.Println("$EDITOR is empty")
return
}
var args []string
//var sch = fmt.Sprintf("/%s", text)
if editor == "vim" {
//args = append(args, []string{"-c", "set ft=json", f.Name()}...)
args = append(args, []string{f.Name()}...)
//args = append(args, []string{"-c", sch, f.Name()}...)
}
cmd := exec.Command(editor, args...)
// auto save vim every 5 seconds
ptmx, err := pty.Start(cmd)
if err != nil {
log.Println("open $EDITOR failed")
return
}
defer func() {
t.Move(-1).GetCurrentNode()
t.Move(+1).GetCurrentNode()
t.SetCurrentNode(t.GetCurrentNode())
//uiBugFix, fix keystroke losing after exit edition
kb, err := keybd_event.NewKeyBonding()
if err != nil { return }
kb.SetKeys(keybd_event.VK_SPACE)
kb.Launching()
}()
defer func() {
if err := ptmx.Close(); err != nil {
log.Println("can't close pty: %s", err)
}
}()
//---------------------
// Handle pty size.
ch := make(chan os.Signal, 1)
signal.Notify(ch, syscall.SIGWINCH)
go func() {
for range ch {
if err := pty.InheritSize(os.Stdin, ptmx); err != nil {
log.Printf("can't resizing pty: %s", err)
}
}
}()
ch <- syscall.SIGWINCH // Initial resize.
// Set stdin in raw mode.
oldState, err := terminal.MakeRaw(int(os.Stdin.Fd()))
if err != nil {
log.Println(fmt.Sprintf("can't make terminal raw mode: %s", err))
// g.Message(err.Error(), "main", func() {})
return
}
defer func() {
if err := terminal.Restore(int(os.Stdin.Fd()), oldState); err != nil {
log.Printf("can't restore terminal: %s", err)
}
}()
// Copy stdin to the pty and the pty to stdout.
go io.Copy(ptmx, os.Stdin)
io.Copy(os.Stdout, ptmx)
//---------------------
// if err != nil {
// log.Println(fmt.Sprintf("can't open file: %s", err))
// // g.Message(err.Error(), "main", func() {})
// return
// }
// defer f.Close()
// i, err := UnMarshalJSON(f)
// if err != nil {
// log.Println(fmt.Sprintf("can't read from file: %s", err))
// // g.Message(err.Error(), "main", func() {})
// return
// }
b_edited, err := ioutil.ReadFile(f.Name())
texted := string(b_edited[:])
texted = strings.TrimSuffix(texted, "\n")
tr := t.GetCurrentNode()
tr.SetText(texted)
ref := tr.GetReference().(Reference)
ref.ValueType = parseValueType(texted)
tr.SetReference(ref)
// just for show change
g.Text.SetText(texted)
//g.Save_json()
os.RemoveAll(f.Name())
g.Save_json_2()
//g.Tree.UpdateView(g, i)
//---------------------
})
}
var NaviPageName = "navi_panel"
var RedColor = `[red::b]%s[white]: %s`
var (
moveDown = fmt.Sprintf(RedColor, "j", " move down")
moveUp = fmt.Sprintf(RedColor, "k", " move up")
defaultNavi = strings.Join([]string{moveDown, moveUp}, "\n")
)
var (
hideNode = fmt.Sprintf(RedColor, "h", " hide children nodes")
searchNodes = fmt.Sprintf(RedColor, "/ or f", " search nodes")
showText = fmt.Sprintf(RedColor, "t", " show text")
treeNavi = strings.Join([]string{hideNode, searchNodes, showText}, "\n")
)
type Navi struct {
*tview.TextView
}
func NewNavi() *Navi {
view := tview.NewTextView().SetDynamicColors(true)
view.SetBorder(true).SetTitle("help").SetTitleAlign(tview.AlignLeft)
navi := &Navi{TextView: view}
return navi
}
func (n *Navi) UpdateView() {
navi := strings.Join([]string{defaultNavi, "", treeNavi}, "\n")
n.SetText(navi)
}
func (n *Navi) SetKeybindings(g *Gui) {
n.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
switch event.Rune() {
case 'q':
g.Pages.HidePage(NaviPageName)
}
return event
})
}
func (t *Tree) SetKeybindings(g *Gui) {
t.SetSelectedFunc(func(node *tview.TreeNode) {
text := node.GetText()
if text == "{object}" || text == "{array}" || text == "{value}" {
return
}
labelWidth := 5
g.Input(text, "text", labelWidth, func(text string) {
ref := node.GetReference().(Reference)
ref.ValueType = parseValueType(text)
if ref.ValueType == String {
text = strings.Trim(text, `"`)
}
node.SetText(text).SetReference(ref)
})
})
t.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
switch event.Rune() {
case 'h':
t.GetCurrentNode().SetExpanded(false)
case 'H':
t.CollapseValues(t.GetRoot())
case 'L':
t.GetRoot().ExpandAll()
case 'l':
t.GetCurrentNode().SetExpanded(true)
case '/', 'f':
g.Search()
case 'q':
g.App.Stop()
case 'j':
t.ShowTextDown(g)
case 'k':
t.ShowTextUp(g)
case 'a':
g.AddNode_2() //add {"datetime":""} to root & open value by vim
g.Save_json_2()
case 'A':
g.AddNode() // serious add json format objects
g.Save_json_2()
case 'D':
g.DeleteNode()
case ' ':
current := t.GetCurrentNode()
current.SetExpanded(!current.IsExpanded())
// case 'i':
// g.EditWithEditor(t)
//t.GetCurrentNode().ClearChildren()
//node_this := t.GetCurrentNode()
//id := node_this.GetReference().(Reference).ID
////parent_nodes := g.get_parent_node_by_id(g.Tree.GetRoot(), id)
//parent_nodes := g.get_parent_node_by_id(g.Tree.OriginRoot, id)
//log.Println(parent_nodes)
//log.Println(len(parent_nodes))
//if len(parent_nodes) > 0 {
// // delete in originroot note
// parent_node := parent_nodes[0]
// //t.Move(-1).GetCurrentNode()
// t.Move(-1)
// parent_node.RemoveChild(node_this)
// // delele in search result
// nodes_of_search := g.Tree.GetRoot().GetChildren()
// for _, node := range nodes_of_search {
// nid := node.GetReference().(Reference).ID
// if nid == id {
// g.Tree.GetRoot().RemoveChild(node)
// }
// }
// g.Text.SetText("")
// g.Save_json_2()
//}
}
switch event.Key() {
case tcell.KeyCtrlJ:
t.moveNode(moveNext)
case tcell.KeyCtrlK:
t.moveNode(movePre)
case tcell.KeyEnter:
g.EditWithEditor(t)
}
return event
})
}
func (t *Tree) ShowTextDown(g *Gui) {
//current := t.GetCurrentNode()
current := t.Move(1).GetCurrentNode()
text := current.GetText()
t.Move(-1).GetCurrentNode()
g.Text.SetText(text)
}
func (t *Tree) ShowTextUp(g *Gui) {
//current := t.GetCurrentNode()
current := t.Move(-1).GetCurrentNode()
text := current.GetText()
t.Move(1).GetCurrentNode()
g.Text.SetText(text)
}
func (t *Tree) moveNode(movement int) {
current := t.GetCurrentNode()
t.GetRoot().Walk(func(node, parent *tview.TreeNode) bool {
if parent != nil {
children := parent.GetChildren()
for i, n := range children {
if n.GetReference().(Reference).ID == current.GetReference().(Reference).ID {
if movement == moveNext {
if i < len(children)-1 {
t.SetCurrentNode(children[i+1])
return false
}
} else if movement == movePre {
if i > 0 {
t.SetCurrentNode(children[i-1])
return false
}
}
}
}
}
return true
})
}
type Tree struct {
*tview.TreeView
OriginRoot *tview.TreeNode
}
func NewTree() *Tree {
t := &Tree{
TreeView: tview.NewTreeView(),
}
t.SetBorder(true).SetTitle("json tree").SetTitleAlign(tview.AlignLeft)
return t
}
func (t *Tree) UpdateView(g *Gui, i interface{}) {
go func() {
g.App.QueueUpdateDraw(func() {
root := NewRootTreeNode(i)
root.SetChildren(t.AddNode(i))
t.SetRoot(root).SetCurrentNode(root)
originRoot := *root
t.OriginRoot = &originRoot
})
}()
}
func NewRootTreeNode(i interface{}) *tview.TreeNode {
r := reflect.ValueOf(i)
var root *tview.TreeNode
id := uuid.Must(uuid.NewV4()).String()
switch r.Kind() {
case reflect.Map:
root = tview.NewTreeNode("{object}").SetReference(Reference{ID: id, JSONType: Object, KeyPart: false})
case reflect.Slice:
root = tview.NewTreeNode("{array}").SetReference(Reference{ID: id, JSONType: Array, KeyPart: false})
// default: // other json data types such as string, number, null, bool as {value}
// root = tview.NewTreeNode("{value}").SetReference(Reference{JSONType: Key, OnlySimpleValue: fmt.Sprintf("%v", i)})
case reflect.String:
root = tview.NewTreeNode("{value}").SetReference(Reference{ID: id, JSONType: Key, OnlySimpleValue: fmt.Sprintf("%v", i)})
case reflect.Float64:
root = tview.NewTreeNode("{value}").SetReference(Reference{ID: id, JSONType: Key, OnlySimpleValue: fmt.Sprintf("%v", i)})
case reflect.Bool:
root = tview.NewTreeNode("{value}").SetReference(Reference{ID: id, JSONType: Key, OnlySimpleValue: fmt.Sprintf("%v", i)})
//case nil:
default: // other json data null as {value}
root = tview.NewTreeNode("{value}").SetReference(Reference{ID: id, JSONType: Key, OnlySimpleValue: "null"})
//root = tview.NewTreeNode("{value}").SetReference(Reference{JSONType: Key, OnlySimpleValue: fmt.Sprintf("%v", i)})
}
return root
}
func (t *Tree) AddNode(node interface{}) []*tview.TreeNode {
var nodes []*tview.TreeNode
switch node := node.(type) {
// deal with object
case map[string]interface{}:
keys := make([]string, 0, len(node))
// sort map by k
for k := range node {
keys = append(keys, k)
}
//sort.Strings(keys)
sort.Sort(sort.Reverse(sort.StringSlice(keys)))
//for k, v := range node {
for _, k := range keys {
newNode := t.NewNodeWithLiteral(k).
SetColor(tcell.ColorMediumSlateBlue). // key show color blue?
//SetChildren(t.AddNode(v)) // add children to per Node's SetChilren()
SetChildren(t.AddNode(node[k])) // add children to per Node's SetChilren()
//r := reflect.ValueOf(v)
r := reflect.ValueOf(node[k])
id := uuid.Must(uuid.NewV4()).String()
if r.Kind() == reflect.Map {
newNode.SetReference(Reference{ID: id, JSONType: Object, KeyPart: true})
// newNode.SetReference(Reference{ID: id, JSONType: Key})
} else if r.Kind() == reflect.Slice {
newNode.SetReference(Reference{ID: id, JSONType: Array, KeyPart: true})
// newNode.SetReference(Reference{ID: id, JSONType: Key})
} else {
newNode.SetReference(Reference{ID: id, JSONType: Key, KeyPart: true}) // if next node is simple value(null bool number string) this node is the value's key
}
nodes = append(nodes, newNode)
}
// deal with array
case []interface{}:
for _, v := range node {
id := uuid.Must(uuid.NewV4()).String()
switch v.(type) {
// object
case map[string]interface{}:
objectNode := tview.NewTreeNode("{object}").
SetChildren(t.AddNode(v)).SetReference(Reference{ID: id, JSONType: Object, KeyPart: false})
nodes = append(nodes, objectNode)
// array
case []interface{}:
arrayNode := tview.NewTreeNode("{array}").
SetChildren(t.AddNode(v)).SetReference(Reference{ID: id, JSONType: Array, KeyPart: false})
nodes = append(nodes, arrayNode)
// simple value -> next node default
default:
nodes = append(nodes, t.AddNode(v)...)
}
}
// deal with simple value
default:
ref := reflect.ValueOf(node)
var valueType ValueType
switch ref.Kind() {
case reflect.Int:
valueType = Int
case reflect.Float64:
valueType = Float
case reflect.Bool:
valueType = Boolean
default:
if node == nil {
valueType = Null
} else {
valueType = String
}
}
id := uuid.Must(uuid.NewV4()).String()
nodes = append(nodes, t.NewNodeWithLiteral(node).
SetReference(Reference{ID: id, JSONType: Value, ValueType: valueType}))
}
return nodes
}
func (t *Tree) NewNodeWithLiteral(i interface{}) *tview.TreeNode {
if i == nil {
return tview.NewTreeNode("null")
}
return tview.NewTreeNode(fmt.Sprintf("%v", i))
}
func (t *Tree) CollapseValues(node *tview.TreeNode) {
node.Walk(func(node, parent *tview.TreeNode) bool {
ref := node.GetReference().(Reference)
if ref.JSONType == Value {
pRef := parent.GetReference().(Reference)
t := pRef.JSONType
if t == Key || t == Array {
parent.SetExpanded(false)
}
}
return true
})
}
type JSONType int
const (
Root JSONType = iota + 1
Object
Array
Key
Value
)
var jsonTypeMap = map[JSONType]string{
Object: "object",
Array: "array",
Key: "key",
Value: "value",
}
func (t JSONType) String() string {
return jsonTypeMap[t]
}
type ValueType int
const (
Int ValueType = iota + 1
String
Float
Boolean
Null
)
var valueTypeMap = map[ValueType]string{
Int: "int",
String: "string",
Float: "float",
Boolean: "boolean",
Null: "null",
}
func (v ValueType) String() string {
return valueTypeMap[v]
}
type Reference struct {
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