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551 lines
13 KiB
551 lines
13 KiB
package main
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import (
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"bytes"
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"encoding/json"
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"flag"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"sort"
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"strings"
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"sync"
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"github.com/BurntSushi/toml"
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"github.com/awesome-gocui/gocui"
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"github.com/curusarn/resh/pkg/cfg"
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"github.com/curusarn/resh/pkg/msg"
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"github.com/curusarn/resh/pkg/records"
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"os/user"
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"path/filepath"
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"strconv"
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)
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// version from git set during build
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var version string
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// commit from git set during build
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var commit string
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// special constant recognized by RESH wrappers
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const exitCodeExecute = 111
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var debug bool
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func main() {
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output, exitCode := runReshCli()
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fmt.Print(output)
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os.Exit(exitCode)
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}
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func runReshCli() (string, int) {
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usr, _ := user.Current()
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dir := usr.HomeDir
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configPath := filepath.Join(dir, "/.config/resh.toml")
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logPath := filepath.Join(dir, ".resh/cli.log")
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f, err := os.OpenFile(logPath, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
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if err != nil {
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log.Fatal("Error opening file:", err)
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}
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defer f.Close()
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log.SetOutput(f)
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var config cfg.Config
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if _, err := toml.DecodeFile(configPath, &config); err != nil {
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log.Fatal("Error reading config:", err)
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}
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if config.Debug {
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debug = true
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log.SetFlags(log.LstdFlags | log.Lmicroseconds)
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log.Println("DEBUG is ON")
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}
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sessionID := flag.String("sessionID", "", "resh generated session id")
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host := flag.String("host", "", "host")
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pwd := flag.String("pwd", "", "present working directory")
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gitOriginRemote := flag.String("gitOriginRemote", "DEFAULT", "git origin remote")
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query := flag.String("query", "", "search query")
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flag.Parse()
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if *sessionID == "" {
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log.Println("Error: you need to specify sessionId")
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}
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if *host == "" {
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log.Println("Error: you need to specify HOST")
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}
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if *pwd == "" {
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log.Println("Error: you need to specify PWD")
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}
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if *gitOriginRemote == "DEFAULT" {
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log.Println("Error: you need to specify gitOriginRemote")
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}
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g, err := gocui.NewGui(gocui.OutputNormal, false)
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if err != nil {
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log.Panicln(err)
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}
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defer g.Close()
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g.Cursor = true
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// g.SelFgColor = gocui.ColorGreen
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// g.SelBgColor = gocui.ColorGreen
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g.Highlight = true
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mess := msg.CliMsg{
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SessionID: *sessionID,
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PWD: *pwd,
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}
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resp := SendCliMsg(mess, strconv.Itoa(config.Port))
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st := state{
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// lock sync.Mutex
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cliRecords: resp.CliRecords,
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initialQuery: *query,
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}
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layout := manager{
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sessionID: *sessionID,
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host: *host,
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pwd: *pwd,
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gitOriginRemote: records.NormalizeGitRemote(*gitOriginRemote),
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config: config,
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s: &st,
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}
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g.SetManager(layout)
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if err := g.SetKeybinding("", gocui.KeyTab, gocui.ModNone, layout.Next); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyArrowDown, gocui.ModNone, layout.Next); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyArrowUp, gocui.ModNone, layout.Prev); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyCtrlG, gocui.ModNone, quit); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyCtrlD, gocui.ModNone, quit); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyEnter, gocui.ModNone, layout.SelectExecute); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyArrowRight, gocui.ModNone, layout.SelectPaste); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyCtrlR, gocui.ModNone, layout.SwitchModes); err != nil {
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log.Panicln(err)
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}
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layout.UpdateData(*query)
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layout.UpdateRawData(*query)
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err = g.MainLoop()
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if err != nil && gocui.IsQuit(err) == false {
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log.Panicln(err)
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}
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return layout.s.output, layout.s.exitCode
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}
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type state struct {
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lock sync.Mutex
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cliRecords []records.CliRecord
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data []item
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rawData []rawItem
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highlightedItem int
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displayedItemsCount int
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rawMode bool
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initialQuery string
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output string
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exitCode int
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}
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type manager struct {
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sessionID string
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host string
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pwd string
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gitOriginRemote string
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config cfg.Config
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s *state
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}
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func (m manager) SelectExecute(g *gocui.Gui, v *gocui.View) error {
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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if m.s.highlightedItem < len(m.s.data) {
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m.s.output = m.s.data[m.s.highlightedItem].cmdLine
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m.s.exitCode = exitCodeExecute
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return gocui.ErrQuit
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}
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return nil
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}
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func (m manager) SelectPaste(g *gocui.Gui, v *gocui.View) error {
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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if m.s.highlightedItem < len(m.s.data) {
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m.s.output = m.s.data[m.s.highlightedItem].cmdLine
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m.s.exitCode = 0 // success
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return gocui.ErrQuit
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}
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return nil
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}
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type dedupRecord struct {
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dataIndex int
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score float32
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}
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func (m manager) UpdateData(input string) {
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if debug {
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log.Println("EDIT start")
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log.Println("len(fullRecords) =", len(m.s.cliRecords))
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log.Println("len(data) =", len(m.s.data))
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}
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query := newQueryFromString(input, m.host, m.pwd, m.gitOriginRemote)
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var data []item
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itemSet := make(map[string]int)
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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for _, rec := range m.s.cliRecords {
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itm, err := newItemFromRecordForQuery(rec, query, m.config.Debug)
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if err != nil {
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// records didn't match the query
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// log.Println(" * continue (no match)", rec.Pwd)
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continue
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}
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if idx, ok := itemSet[itm.key]; ok {
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// duplicate found
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if data[idx].score >= itm.score {
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// skip duplicate item
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continue
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}
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// update duplicate item
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data[idx] = itm
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continue
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}
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// add new item
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itemSet[itm.key] = len(data)
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data = append(data, itm)
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}
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if debug {
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log.Println("len(tmpdata) =", len(data))
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}
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sort.SliceStable(data, func(p, q int) bool {
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return data[p].score > data[q].score
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})
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m.s.data = nil
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for _, itm := range data {
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if len(m.s.data) > 420 {
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break
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}
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m.s.data = append(m.s.data, itm)
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}
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m.s.highlightedItem = 0
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if debug {
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log.Println("len(fullRecords) =", len(m.s.cliRecords))
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log.Println("len(data) =", len(m.s.data))
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log.Println("EDIT end")
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}
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}
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func (m manager) UpdateRawData(input string) {
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if debug {
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log.Println("EDIT start")
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log.Println("len(fullRecords) =", len(m.s.cliRecords))
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log.Println("len(data) =", len(m.s.data))
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}
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query := getRawTermsFromString(input)
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var data []rawItem
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itemSet := make(map[string]bool)
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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for _, rec := range m.s.cliRecords {
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itm, err := newRawItemFromRecordForQuery(rec, query, m.config.Debug)
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if err != nil {
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// records didn't match the query
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// log.Println(" * continue (no match)", rec.Pwd)
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continue
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}
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if itemSet[itm.key] {
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// log.Println(" * continue (already present)", itm.key(), itm.pwd)
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continue
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}
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itemSet[itm.key] = true
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data = append(data, itm)
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// log.Println("DATA =", itm.display)
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}
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if debug {
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log.Println("len(tmpdata) =", len(data))
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}
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sort.SliceStable(data, func(p, q int) bool {
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return data[p].hits > data[q].hits
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})
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m.s.rawData = nil
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for _, itm := range data {
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if len(m.s.rawData) > 420 {
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break
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}
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m.s.rawData = append(m.s.rawData, itm)
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}
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m.s.highlightedItem = 0
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if debug {
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log.Println("len(fullRecords) =", len(m.s.cliRecords))
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log.Println("len(data) =", len(m.s.data))
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log.Println("EDIT end")
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}
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}
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func (m manager) Edit(v *gocui.View, key gocui.Key, ch rune, mod gocui.Modifier) {
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gocui.DefaultEditor.Edit(v, key, ch, mod)
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if m.s.rawMode {
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m.UpdateRawData(v.Buffer())
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return
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}
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m.UpdateData(v.Buffer())
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}
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func (m manager) Next(g *gocui.Gui, v *gocui.View) error {
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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if m.s.highlightedItem < m.s.displayedItemsCount-1 {
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m.s.highlightedItem++
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}
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return nil
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}
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func (m manager) Prev(g *gocui.Gui, v *gocui.View) error {
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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if m.s.highlightedItem > 0 {
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m.s.highlightedItem--
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}
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return nil
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}
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func (m manager) SwitchModes(g *gocui.Gui, v *gocui.View) error {
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m.s.lock.Lock()
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m.s.rawMode = !m.s.rawMode
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m.s.lock.Unlock()
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if m.s.rawMode {
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m.UpdateRawData(v.Buffer())
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return nil
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}
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m.UpdateData(v.Buffer())
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return nil
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}
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func (m manager) Layout(g *gocui.Gui) error {
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var b byte
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maxX, maxY := g.Size()
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v, err := g.SetView("input", 0, 0, maxX-1, 2, b)
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if err != nil && gocui.IsUnknownView(err) == false {
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log.Panicln(err.Error())
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}
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v.Editable = true
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v.Editor = m
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if m.s.rawMode {
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v.Title = " RESH CLI - NON-CONTEXTUAL \"RAW\" MODE - (CTRL+R to switch BACK) "
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} else {
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v.Title = " RESH CLI - CONTEXTUAL MODE - (CTRL+R to switch to RAW MODE) "
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}
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g.SetCurrentView("input")
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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if len(m.s.initialQuery) > 0 {
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v.WriteString(m.s.initialQuery)
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v.SetCursor(len(m.s.initialQuery), 0)
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m.s.initialQuery = ""
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}
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v, err = g.SetView("body", 0, 2, maxX-1, maxY, b)
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if err != nil && gocui.IsUnknownView(err) == false {
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log.Panicln(err.Error())
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}
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v.Frame = false
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v.Autoscroll = false
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v.Clear()
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v.Rewind()
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if m.s.rawMode {
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return m.rawMode(g, v)
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}
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return m.normalMode(g, v)
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}
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func quit(g *gocui.Gui, v *gocui.View) error {
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return gocui.ErrQuit
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}
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// SendCliMsg to daemon
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func SendCliMsg(m msg.CliMsg, port string) msg.CliResponse {
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recJSON, err := json.Marshal(m)
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if err != nil {
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log.Fatal("send err 1", err)
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}
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req, err := http.NewRequest("POST", "http://localhost:"+port+"/dump",
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bytes.NewBuffer(recJSON))
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if err != nil {
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log.Fatal("send err 2", err)
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}
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req.Header.Set("Content-Type", "application/json")
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client := &http.Client{}
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resp, err := client.Do(req)
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if err != nil {
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log.Fatal("resh-daemon is not running :(")
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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log.Fatal("read response error")
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}
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// log.Println(string(body))
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response := msg.CliResponse{}
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err = json.Unmarshal(body, &response)
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if err != nil {
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log.Fatal("unmarshal resp error: ", err)
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}
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return response
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}
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func (m manager) normalMode(g *gocui.Gui, v *gocui.View) error {
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maxX, maxY := g.Size()
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longestFlagsLen := 2 // at least 2
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for i, itm := range m.s.data {
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if i == maxY {
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break
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}
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if len(itm.flags) > longestFlagsLen {
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longestFlagsLen = len(itm.flags)
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}
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}
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// status line
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topBoxSize := 3 // size of the query box up top
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realLineLength := maxX - 2
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printedLineLength := maxX - 4
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selectedCommand := m.s.data[m.s.highlightedItem].cmdLine
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var selectedLineCount int = len(selectedCommand)/(printedLineLength) + 1
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m.s.displayedItemsCount = maxY - topBoxSize - selectedLineCount
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for i, itm := range m.s.data {
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if i == maxY-topBoxSize-selectedLineCount {
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if debug {
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log.Println(maxY)
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}
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break
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}
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displayStr, _ := itm.produceLine(longestFlagsLen)
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if m.s.highlightedItem == i {
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// maxX * 2 because there are escape sequences that make it hard to tell the real string lenght
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displayStr = doHighlightString(displayStr, maxX*2)
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if debug {
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log.Println("### HightlightedItem string :", displayStr)
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}
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} else if debug {
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log.Println(displayStr)
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}
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if strings.Contains(displayStr, "\n") {
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log.Println("display string contained \\n")
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displayStr = strings.ReplaceAll(displayStr, "\n", "#")
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if debug {
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log.Println("display string contained \\n")
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}
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}
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v.WriteString(displayStr + "\n")
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// if m.s.highlightedItem == i {
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// v.SetHighlight(m.s.highlightedItem, true)
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// }
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}
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// status line
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var idxSt, idxEnd int
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var nextLine bool
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tab := " "
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tabSize := len(tab)
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for idxSt < len(selectedCommand) {
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idxEnd = idxSt + printedLineLength
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if nextLine {
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idxEnd -= tabSize
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}
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if idxEnd > len(selectedCommand) {
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idxEnd = len(selectedCommand)
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}
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str := selectedCommand[idxSt:idxEnd]
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indent := " "
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if nextLine {
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indent += tab
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}
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v.WriteString(highlightStatus(rightCutPadString(indent+str, realLineLength)) + "\n")
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idxSt += printedLineLength
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nextLine = true
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}
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if debug {
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log.Println("len(data) =", len(m.s.data))
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log.Println("highlightedItem =", m.s.highlightedItem)
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}
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return nil
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}
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func (m manager) rawMode(g *gocui.Gui, v *gocui.View) error {
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maxX, maxY := g.Size()
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topBoxSize := 3
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m.s.displayedItemsCount = maxY - topBoxSize
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for i, itm := range m.s.rawData {
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if i == maxY {
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if debug {
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log.Println(maxY)
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}
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break
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}
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displayStr := itm.cmdLineWithColor
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if m.s.highlightedItem == i {
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// use actual min requried length instead of 420 constant
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displayStr = doHighlightString(displayStr, maxX*2)
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if debug {
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log.Println("### HightlightedItem string :", displayStr)
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|
}
|
|
} else if debug {
|
|
log.Println(displayStr)
|
|
}
|
|
if strings.Contains(displayStr, "\n") {
|
|
log.Println("display string contained \\n")
|
|
displayStr = strings.ReplaceAll(displayStr, "\n", "#")
|
|
if debug {
|
|
log.Println("display string contained \\n")
|
|
}
|
|
}
|
|
v.WriteString(displayStr + "\n")
|
|
// if m.s.highlightedItem == i {
|
|
// v.SetHighlight(m.s.highlightedItem, true)
|
|
// }
|
|
}
|
|
if debug {
|
|
log.Println("len(data) =", len(m.s.data))
|
|
log.Println("highlightedItem =", m.s.highlightedItem)
|
|
}
|
|
return nil
|
|
}
|
|
|