forked from Archives/fx
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
635 lines
14 KiB
Go
635 lines
14 KiB
Go
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"io/fs"
|
|
"os"
|
|
"path"
|
|
"runtime/pprof"
|
|
"strings"
|
|
|
|
. "github.com/antonmedv/fx/pkg/dict"
|
|
. "github.com/antonmedv/fx/pkg/json"
|
|
. "github.com/antonmedv/fx/pkg/reducer"
|
|
. "github.com/antonmedv/fx/pkg/theme"
|
|
"github.com/charmbracelet/bubbles/key"
|
|
"github.com/charmbracelet/bubbles/textinput"
|
|
tea "github.com/charmbracelet/bubbletea"
|
|
"github.com/charmbracelet/lipgloss"
|
|
"github.com/mattn/go-isatty"
|
|
"github.com/muesli/termenv"
|
|
)
|
|
|
|
var (
|
|
flagHelp bool
|
|
flagVersion bool
|
|
flagPrintCode bool
|
|
)
|
|
|
|
func main() {
|
|
var args []string
|
|
for _, arg := range os.Args[1:] {
|
|
switch arg {
|
|
case "-h", "--help":
|
|
flagHelp = true
|
|
case "-v", "-V", "--version":
|
|
flagVersion = true
|
|
case "--print-code":
|
|
flagPrintCode = true
|
|
default:
|
|
args = append(args, arg)
|
|
}
|
|
|
|
}
|
|
if flagHelp {
|
|
fmt.Println(usage(DefaultKeyMap()))
|
|
return
|
|
}
|
|
if flagVersion {
|
|
fmt.Println(version)
|
|
return
|
|
}
|
|
cpuProfile := os.Getenv("CPU_PROFILE")
|
|
if cpuProfile != "" {
|
|
f, err := os.Create(cpuProfile)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
err = pprof.StartCPUProfile(f)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
themeId, ok := os.LookupEnv("FX_THEME")
|
|
if !ok {
|
|
themeId = "1"
|
|
}
|
|
theme, ok := Themes[themeId]
|
|
if !ok {
|
|
theme = Themes["1"]
|
|
}
|
|
if termenv.ColorProfile() == termenv.Ascii {
|
|
theme = Themes["0"]
|
|
}
|
|
var showSize bool
|
|
if s, ok := os.LookupEnv("FX_SHOW_SIZE"); ok {
|
|
if s == "true" {
|
|
showSize = true
|
|
}
|
|
}
|
|
|
|
stdinIsTty := isatty.IsTerminal(os.Stdin.Fd())
|
|
stdoutIsTty := isatty.IsTerminal(os.Stdout.Fd())
|
|
filePath := ""
|
|
fileName := ""
|
|
var dec *json.Decoder
|
|
if stdinIsTty {
|
|
// Nothing was piped, maybe file argument?
|
|
if len(args) >= 1 {
|
|
filePath = args[0]
|
|
f, err := os.Open(filePath)
|
|
if err != nil {
|
|
switch err.(type) {
|
|
case *fs.PathError:
|
|
fmt.Println(err)
|
|
os.Exit(1)
|
|
default:
|
|
panic(err)
|
|
}
|
|
}
|
|
fileName = path.Base(filePath)
|
|
dec = json.NewDecoder(f)
|
|
args = args[1:]
|
|
}
|
|
} else {
|
|
dec = json.NewDecoder(os.Stdin)
|
|
}
|
|
if dec == nil {
|
|
fmt.Println(usage(DefaultKeyMap()))
|
|
os.Exit(1)
|
|
}
|
|
dec.UseNumber()
|
|
object, err := Parse(dec)
|
|
if err != nil {
|
|
fmt.Println("JSON Parse Error:", err.Error())
|
|
os.Exit(1)
|
|
}
|
|
lang, ok := os.LookupEnv("FX_LANG")
|
|
if !ok {
|
|
lang = "js"
|
|
}
|
|
var fxrc string
|
|
if lang == "js" || lang == "node" {
|
|
home, err := os.UserHomeDir()
|
|
if err == nil {
|
|
b, err := os.ReadFile(path.Join(home, ".fxrc.js"))
|
|
if err == nil {
|
|
fxrc = "\n" + string(b)
|
|
if lang == "js" {
|
|
parts := strings.SplitN(fxrc, "// nodejs:", 2)
|
|
fxrc = parts[0]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if dec.More() {
|
|
os.Exit(stream(dec, object, lang, args, theme, fxrc))
|
|
}
|
|
if len(args) > 0 || !stdoutIsTty {
|
|
if len(args) > 0 && flagPrintCode {
|
|
fmt.Print(GenerateCode(lang, args, fxrc))
|
|
return
|
|
}
|
|
if lang == "js" {
|
|
simplePath, ok := SplitSimplePath(args)
|
|
if ok {
|
|
output := GetBySimplePath(object, simplePath)
|
|
Echo(output, theme)
|
|
os.Exit(0)
|
|
}
|
|
vm, fn, err := CreateJS(args, fxrc)
|
|
if err != nil {
|
|
fmt.Println(err)
|
|
os.Exit(1)
|
|
}
|
|
os.Exit(ReduceJS(vm, fn, object, theme))
|
|
} else {
|
|
os.Exit(Reduce(object, lang, args, theme, fxrc))
|
|
}
|
|
}
|
|
|
|
// Start interactive mode.
|
|
expand := map[string]bool{"": true}
|
|
if array, ok := object.(Array); ok {
|
|
for i := range array {
|
|
expand[accessor("", i)] = true
|
|
}
|
|
}
|
|
parents := map[string]string{}
|
|
children := map[string][]string{}
|
|
canBeExpanded := map[string]bool{}
|
|
Dfs(object, func(it Iterator) {
|
|
parents[it.Path] = it.Parent
|
|
children[it.Parent] = append(children[it.Parent], it.Path)
|
|
switch it.Object.(type) {
|
|
case *Dict:
|
|
canBeExpanded[it.Path] = len(it.Object.(*Dict).Keys) > 0
|
|
case Array:
|
|
canBeExpanded[it.Path] = len(it.Object.(Array)) > 0
|
|
}
|
|
})
|
|
input := textinput.New()
|
|
input.Prompt = ""
|
|
m := &model{
|
|
fileName: fileName,
|
|
theme: theme,
|
|
json: object,
|
|
showSize: showSize,
|
|
width: 80,
|
|
height: 60,
|
|
mouseWheelDelta: 3,
|
|
keyMap: DefaultKeyMap(),
|
|
expandedPaths: expand,
|
|
canBeExpanded: canBeExpanded,
|
|
parents: parents,
|
|
children: children,
|
|
nextSiblings: map[string]string{},
|
|
prevSiblings: map[string]string{},
|
|
wrap: true,
|
|
searchInput: input,
|
|
}
|
|
m.collectSiblings(m.json, "")
|
|
p := tea.NewProgram(m, tea.WithAltScreen(), tea.WithMouseCellMotion())
|
|
if err := p.Start(); err != nil {
|
|
panic(err)
|
|
}
|
|
if cpuProfile != "" {
|
|
pprof.StopCPUProfile()
|
|
}
|
|
os.Exit(m.exitCode)
|
|
}
|
|
|
|
type model struct {
|
|
exitCode int
|
|
width, height int
|
|
windowHeight int
|
|
footerHeight int
|
|
wrap bool
|
|
theme Theme
|
|
showSize bool // Show number of elements in preview
|
|
|
|
fileName string
|
|
json interface{}
|
|
lines []string
|
|
|
|
mouseWheelDelta int // Number of lines the mouse wheel will scroll
|
|
offset int // offset is the vertical scroll position
|
|
|
|
keyMap KeyMap
|
|
showHelp bool
|
|
|
|
expandedPaths map[string]bool // set of expanded paths
|
|
canBeExpanded map[string]bool // set of path => can be expanded (i.e. dict or array)
|
|
paths []string // array of paths on screen
|
|
pathToLineNumber map[string]int // map of path => line Number
|
|
pathToIndex map[string]int // map of path => index in m.paths
|
|
lineNumberToPath map[int]string // map of line Number => path
|
|
parents map[string]string // map of subpath => parent path
|
|
children map[string][]string // map of path => child paths
|
|
nextSiblings, prevSiblings map[string]string // map of path => sibling path
|
|
cursor int // cursor in [0, len(m.paths)]
|
|
showCursor bool
|
|
|
|
searchInput textinput.Model
|
|
searchRegexCompileError string
|
|
showSearchResults bool
|
|
searchResults []*searchResult
|
|
searchResultsCursor int
|
|
highlightIndex map[string]*rangeGroup
|
|
}
|
|
|
|
func (m *model) Init() tea.Cmd {
|
|
return nil
|
|
}
|
|
|
|
func (m *model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
|
|
switch msg := msg.(type) {
|
|
case tea.WindowSizeMsg:
|
|
m.width = msg.Width
|
|
m.windowHeight = msg.Height
|
|
m.searchInput.Width = msg.Width - 2 // minus prompt
|
|
m.render()
|
|
|
|
case tea.MouseMsg:
|
|
switch msg.Type {
|
|
case tea.MouseWheelUp:
|
|
m.LineUp(m.mouseWheelDelta)
|
|
case tea.MouseWheelDown:
|
|
m.LineDown(m.mouseWheelDelta)
|
|
}
|
|
}
|
|
|
|
if m.searchInput.Focused() {
|
|
switch msg := msg.(type) {
|
|
case tea.KeyMsg:
|
|
switch msg.Type {
|
|
case tea.KeyEsc:
|
|
m.searchInput.Blur()
|
|
m.clearSearchResults()
|
|
m.render()
|
|
|
|
case tea.KeyEnter:
|
|
m.doSearch(m.searchInput.Value())
|
|
}
|
|
}
|
|
var cmd tea.Cmd
|
|
m.searchInput, cmd = m.searchInput.Update(msg)
|
|
return m, cmd
|
|
}
|
|
|
|
switch msg := msg.(type) {
|
|
case tea.KeyMsg:
|
|
switch {
|
|
case key.Matches(msg, m.keyMap.PageDown):
|
|
m.ViewDown()
|
|
case key.Matches(msg, m.keyMap.PageUp):
|
|
m.ViewUp()
|
|
case key.Matches(msg, m.keyMap.HalfPageDown):
|
|
m.HalfViewDown()
|
|
case key.Matches(msg, m.keyMap.HalfPageUp):
|
|
m.HalfViewUp()
|
|
case key.Matches(msg, m.keyMap.GotoTop):
|
|
m.GotoTop()
|
|
case key.Matches(msg, m.keyMap.GotoBottom):
|
|
m.GotoBottom()
|
|
}
|
|
}
|
|
|
|
if m.showHelp {
|
|
switch msg := msg.(type) {
|
|
case tea.KeyMsg:
|
|
switch {
|
|
case key.Matches(msg, m.keyMap.Quit):
|
|
m.showHelp = false
|
|
m.render()
|
|
case key.Matches(msg, m.keyMap.Down):
|
|
m.LineDown(1)
|
|
case key.Matches(msg, m.keyMap.Up):
|
|
m.LineUp(1)
|
|
}
|
|
}
|
|
return m, nil
|
|
}
|
|
|
|
switch msg := msg.(type) {
|
|
case tea.KeyMsg:
|
|
switch {
|
|
case key.Matches(msg, m.keyMap.Quit):
|
|
m.exitCode = 0
|
|
return m, tea.Quit
|
|
|
|
case key.Matches(msg, m.keyMap.Help):
|
|
m.GotoTop()
|
|
m.showHelp = !m.showHelp
|
|
m.render()
|
|
|
|
case key.Matches(msg, m.keyMap.Down):
|
|
m.down()
|
|
m.render()
|
|
m.scrollDownToCursor()
|
|
|
|
case key.Matches(msg, m.keyMap.Up):
|
|
m.up()
|
|
m.render()
|
|
m.scrollUpToCursor()
|
|
|
|
case key.Matches(msg, m.keyMap.NextSibling):
|
|
nextSiblingPath, ok := m.nextSiblings[m.cursorPath()]
|
|
if ok {
|
|
m.showCursor = true
|
|
m.cursor = m.pathToIndex[nextSiblingPath]
|
|
} else {
|
|
m.down()
|
|
}
|
|
m.render()
|
|
m.scrollDownToCursor()
|
|
|
|
case key.Matches(msg, m.keyMap.PrevSibling):
|
|
prevSiblingPath, ok := m.prevSiblings[m.cursorPath()]
|
|
if ok {
|
|
m.showCursor = true
|
|
m.cursor = m.pathToIndex[prevSiblingPath]
|
|
} else {
|
|
m.up()
|
|
}
|
|
m.render()
|
|
m.scrollUpToCursor()
|
|
|
|
case key.Matches(msg, m.keyMap.Expand):
|
|
m.showCursor = true
|
|
if m.canBeExpanded[m.cursorPath()] {
|
|
m.expandedPaths[m.cursorPath()] = true
|
|
}
|
|
m.render()
|
|
|
|
case key.Matches(msg, m.keyMap.ExpandRecursively):
|
|
m.showCursor = true
|
|
if m.canBeExpanded[m.cursorPath()] {
|
|
m.expandRecursively(m.cursorPath())
|
|
}
|
|
m.render()
|
|
|
|
case key.Matches(msg, m.keyMap.Collapse):
|
|
m.showCursor = true
|
|
if m.canBeExpanded[m.cursorPath()] && m.expandedPaths[m.cursorPath()] {
|
|
m.expandedPaths[m.cursorPath()] = false
|
|
} else {
|
|
parentPath, ok := m.parents[m.cursorPath()]
|
|
if ok {
|
|
m.expandedPaths[parentPath] = false
|
|
m.cursor = m.pathToIndex[parentPath]
|
|
}
|
|
}
|
|
m.render()
|
|
m.scrollUpToCursor()
|
|
|
|
case key.Matches(msg, m.keyMap.CollapseRecursively):
|
|
m.showCursor = true
|
|
if m.canBeExpanded[m.cursorPath()] && m.expandedPaths[m.cursorPath()] {
|
|
m.collapseRecursively(m.cursorPath())
|
|
} else {
|
|
parentPath, ok := m.parents[m.cursorPath()]
|
|
if ok {
|
|
m.collapseRecursively(parentPath)
|
|
m.cursor = m.pathToIndex[parentPath]
|
|
}
|
|
}
|
|
m.render()
|
|
m.scrollUpToCursor()
|
|
|
|
case key.Matches(msg, m.keyMap.ToggleWrap):
|
|
m.wrap = !m.wrap
|
|
m.render()
|
|
|
|
case key.Matches(msg, m.keyMap.ExpandAll):
|
|
Dfs(m.json, func(it Iterator) {
|
|
switch it.Object.(type) {
|
|
case *Dict, Array:
|
|
m.expandedPaths[it.Path] = true
|
|
}
|
|
})
|
|
m.render()
|
|
|
|
case key.Matches(msg, m.keyMap.CollapseAll):
|
|
m.expandedPaths = map[string]bool{
|
|
"": true,
|
|
}
|
|
m.render()
|
|
|
|
case key.Matches(msg, m.keyMap.Search):
|
|
m.showSearchResults = false
|
|
m.searchRegexCompileError = ""
|
|
m.searchInput.Focus()
|
|
m.render()
|
|
return m, textinput.Blink
|
|
|
|
case key.Matches(msg, m.keyMap.Next):
|
|
if m.showSearchResults {
|
|
m.nextSearchResult()
|
|
}
|
|
|
|
case key.Matches(msg, m.keyMap.Prev):
|
|
if m.showSearchResults {
|
|
m.prevSearchResult()
|
|
}
|
|
}
|
|
|
|
case tea.MouseMsg:
|
|
switch msg.Type {
|
|
case tea.MouseLeft:
|
|
m.showCursor = true
|
|
if msg.Y >= m.height {
|
|
// Clicked on status bar or search input.
|
|
break
|
|
}
|
|
clickedPath, ok := m.lineNumberToPath[m.offset+msg.Y]
|
|
if ok {
|
|
if m.canBeExpanded[clickedPath] {
|
|
m.expandedPaths[clickedPath] = !m.expandedPaths[clickedPath]
|
|
}
|
|
m.cursor = m.pathToIndex[clickedPath]
|
|
m.render()
|
|
}
|
|
}
|
|
}
|
|
return m, nil
|
|
}
|
|
|
|
func (m *model) View() string {
|
|
lines := m.visibleLines()
|
|
extraLines := ""
|
|
if len(lines) < m.height {
|
|
extraLines = strings.Repeat("\n", max(0, m.height-len(lines)))
|
|
}
|
|
if m.showHelp {
|
|
statusBar := "Press Esc or q to close help."
|
|
statusBar += strings.Repeat(" ", max(0, m.width-width(statusBar)))
|
|
statusBar = m.theme.StatusBar(statusBar)
|
|
return strings.Join(lines, "\n") + extraLines + "\n" + statusBar
|
|
}
|
|
statusBar := m.cursorPath() + " "
|
|
statusBar += strings.Repeat(" ", max(0, m.width-width(statusBar)-width(m.fileName)))
|
|
statusBar += m.fileName
|
|
statusBar = m.theme.StatusBar(statusBar)
|
|
output := strings.Join(lines, "\n") + extraLines + "\n" + statusBar
|
|
if m.searchInput.Focused() {
|
|
output += "\n/" + m.searchInput.View()
|
|
}
|
|
if len(m.searchRegexCompileError) > 0 {
|
|
output += fmt.Sprintf("\n/%v/i %v", m.searchInput.Value(), m.searchRegexCompileError)
|
|
}
|
|
if m.showSearchResults {
|
|
if len(m.searchResults) == 0 {
|
|
output += fmt.Sprintf("\n/%v/i not found", m.searchInput.Value())
|
|
} else {
|
|
output += fmt.Sprintf("\n/%v/i found: [%v/%v]", m.searchInput.Value(), m.searchResultsCursor+1, len(m.searchResults))
|
|
}
|
|
}
|
|
return output
|
|
}
|
|
|
|
func (m *model) recalculateViewportHeight() {
|
|
m.height = m.windowHeight
|
|
m.height-- // status bar
|
|
if !m.showHelp {
|
|
if m.searchInput.Focused() {
|
|
m.height--
|
|
}
|
|
if m.showSearchResults {
|
|
m.height--
|
|
}
|
|
if len(m.searchRegexCompileError) > 0 {
|
|
m.height--
|
|
}
|
|
}
|
|
}
|
|
|
|
func (m *model) render() {
|
|
m.recalculateViewportHeight()
|
|
|
|
if m.showHelp {
|
|
m.lines = keyMapInfo(m.keyMap, lipgloss.NewStyle().PaddingLeft(4).PaddingTop(2).PaddingBottom(2))
|
|
return
|
|
}
|
|
|
|
m.paths = make([]string, 0)
|
|
m.pathToIndex = make(map[string]int, 0)
|
|
if m.pathToLineNumber == nil {
|
|
m.pathToLineNumber = make(map[string]int, 0)
|
|
} else {
|
|
m.pathToLineNumber = make(map[string]int, len(m.pathToLineNumber))
|
|
}
|
|
if m.lineNumberToPath == nil {
|
|
m.lineNumberToPath = make(map[int]string, 0)
|
|
} else {
|
|
m.lineNumberToPath = make(map[int]string, len(m.lineNumberToPath))
|
|
}
|
|
m.lines = m.print(m.json, 1, 0, 0, "", true)
|
|
|
|
if m.offset > len(m.lines)-1 {
|
|
m.GotoBottom()
|
|
}
|
|
}
|
|
|
|
func (m *model) cursorPath() string {
|
|
if m.cursor == 0 {
|
|
return ""
|
|
}
|
|
if 0 <= m.cursor && m.cursor < len(m.paths) {
|
|
return m.paths[m.cursor]
|
|
}
|
|
return "?"
|
|
}
|
|
|
|
func (m *model) cursorLineNumber() int {
|
|
if 0 <= m.cursor && m.cursor < len(m.paths) {
|
|
return m.pathToLineNumber[m.paths[m.cursor]]
|
|
}
|
|
return -1
|
|
}
|
|
|
|
func (m *model) expandRecursively(path string) {
|
|
if m.canBeExpanded[path] {
|
|
m.expandedPaths[path] = true
|
|
for _, childPath := range m.children[path] {
|
|
if childPath != "" {
|
|
m.expandRecursively(childPath)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func (m *model) collapseRecursively(path string) {
|
|
m.expandedPaths[path] = false
|
|
for _, childPath := range m.children[path] {
|
|
if childPath != "" {
|
|
m.collapseRecursively(childPath)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (m *model) collectSiblings(v interface{}, path string) {
|
|
switch v.(type) {
|
|
case *Dict:
|
|
prev := ""
|
|
for _, k := range v.(*Dict).Keys {
|
|
subpath := path + "." + k
|
|
if prev != "" {
|
|
m.nextSiblings[prev] = subpath
|
|
m.prevSiblings[subpath] = prev
|
|
}
|
|
prev = subpath
|
|
value, _ := v.(*Dict).Get(k)
|
|
m.collectSiblings(value, subpath)
|
|
}
|
|
|
|
case Array:
|
|
prev := ""
|
|
for i, value := range v.(Array) {
|
|
subpath := fmt.Sprintf("%v[%v]", path, i)
|
|
if prev != "" {
|
|
m.nextSiblings[prev] = subpath
|
|
m.prevSiblings[subpath] = prev
|
|
}
|
|
prev = subpath
|
|
m.collectSiblings(value, subpath)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (m *model) down() {
|
|
m.showCursor = true
|
|
if m.cursor < len(m.paths)-1 { // scroll till last element in m.paths
|
|
m.cursor++
|
|
} else {
|
|
// at the bottom of viewport maybe some hidden brackets, lets scroll to see them
|
|
if !m.AtBottom() {
|
|
m.LineDown(1)
|
|
}
|
|
}
|
|
if m.cursor >= len(m.paths) {
|
|
m.cursor = len(m.paths) - 1
|
|
}
|
|
}
|
|
|
|
func (m *model) up() {
|
|
m.showCursor = true
|
|
if m.cursor > 0 {
|
|
m.cursor--
|
|
}
|
|
if m.cursor >= len(m.paths) {
|
|
m.cursor = len(m.paths) - 1
|
|
}
|
|
}
|