зеркало из
https://github.com/sammy-ette/Hilbish
synced 2025-08-10 02:52:03 +00:00
feat: allow overwrite of completion handler (closes #122)
this also makes the completion functions `bins` and `files` also return the prefix to pass to the completion handler. this is an overhaul to the completion system, which gets the completion handler from lua instead of being made to only have lua provided *command* completions. it does not have any performance deficit, even though it calls in to golua for completions.
Этот коммит содержится в:
TorchedSammy
родитель
3194add3dc
Коммит
abfbeb5f84
Идентификатор ключа GPG:
904FC49417B44DCD
14
api.go
14
api.go
@ -149,19 +149,7 @@ Check out the {blue}{bold}guide{reset} command to get started.
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util.Document(historyModule, "History interface for Hilbish.")
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// hilbish.completion table
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hshcomp := rt.NewTable()
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util.SetField(rtm, hshcomp, "files",
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rt.FunctionValue(rt.NewGoFunction(luaFileComplete, "files", 3, false)),
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"Completer for files")
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util.SetField(rtm, hshcomp, "bins",
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rt.FunctionValue(rt.NewGoFunction(luaBinaryComplete, "bins", 3, false)),
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"Completer for executables/binaries")
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util.SetField(rtm, hshcomp, "call",
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rt.FunctionValue(rt.NewGoFunction(callLuaCompleter, "call", 4, false)),
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"Calls a completer and get its entries for completions")
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hshcomp := completionLoader(rtm)
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util.Document(hshcomp, "Completions interface for Hilbish.")
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mod.Set(rt.StringValue("completion"), rt.TableValue(hshcomp))
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104
complete.go
104
complete.go
@ -11,6 +11,8 @@ import (
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rt "github.com/arnodel/golua/runtime"
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)
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var completer rt.Value
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func fileComplete(query, ctx string, fields []string) ([]string, string) {
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return matchPath(query)
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}
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@ -117,6 +119,100 @@ func escapeFilename(fname string) string {
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return r.Replace(fname)
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}
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func completionLoader(rtm *rt.Runtime) *rt.Table {
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exports := map[string]util.LuaExport{
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"files": {luaFileComplete, 3, false},
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"bins": {luaBinaryComplete, 3, false},
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"call": {callLuaCompleter, 4, false},
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"handler": {completionHandler, 2, false},
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}
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mod := rt.NewTable()
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util.SetExports(rtm, mod, exports)
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return mod
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}
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func completionHandler(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
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if err := c.CheckNArgs(2); err != nil {
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return nil, err
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}
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line, err := c.StringArg(0)
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if err != nil {
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return nil, err
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}
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// just for validation
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_, err = c.IntArg(1)
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if err != nil {
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return nil, err
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}
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ctx := strings.TrimLeft(line, " ")
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if len(ctx) == 0 {
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return c.PushingNext(t.Runtime, rt.TableValue(rt.NewTable()), rt.StringValue("")), nil
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}
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ctx = aliases.Resolve(ctx)
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fields := strings.Split(ctx, " ")
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query := fields[len(fields) - 1]
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luaFields := rt.NewTable()
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for i, f := range fields {
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luaFields.Set(rt.IntValue(int64(i + 1)), rt.StringValue(f))
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}
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compMod := hshMod.Get(rt.StringValue("completion")).AsTable()
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var term *rt.Termination
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if len(fields) == 1 {
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term = rt.NewTerminationWith(t.CurrentCont(), 2, false)
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err := rt.Call(t, compMod.Get(rt.StringValue("bins")), []rt.Value{
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rt.StringValue(query),
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rt.StringValue(ctx),
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rt.TableValue(luaFields),
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}, term)
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if err != nil {
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return nil, err
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}
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} else {
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gterm := rt.NewTerminationWith(t.CurrentCont(), 2, false)
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err := rt.Call(t, compMod.Get(rt.StringValue("call")), []rt.Value{
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rt.StringValue("commands." + fields[0]),
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rt.StringValue(query),
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rt.StringValue(ctx),
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rt.TableValue(luaFields),
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}, gterm)
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if err == nil {
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groups := gterm.Get(0)
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pfx := gterm.Get(1)
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return c.PushingNext(t.Runtime, groups, pfx), nil
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}
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// error means there isnt a command handler - default to files in that case
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term = rt.NewTerminationWith(t.CurrentCont(), 2, false)
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err = rt.Call(t, compMod.Get(rt.StringValue("files")), []rt.Value{
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rt.StringValue(query),
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rt.StringValue(ctx),
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rt.TableValue(luaFields),
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}, term)
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}
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comps := term.Get(0)
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pfx := term.Get(1)
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groups := rt.NewTable()
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compGroup := rt.NewTable()
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compGroup.Set(rt.StringValue("items"), comps)
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compGroup.Set(rt.StringValue("type"), rt.StringValue("grid"))
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groups.Set(rt.IntValue(1), rt.TableValue(compGroup))
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return c.PushingNext(t.Runtime, rt.TableValue(groups), pfx), nil
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}
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func callLuaCompleter(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
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if err := c.CheckNArgs(4); err != nil {
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return nil, err
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@ -162,14 +258,14 @@ func luaFileComplete(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
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return nil, err
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}
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completions, _ := fileComplete(query, ctx, fds)
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completions, pfx := fileComplete(query, ctx, fds)
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luaComps := rt.NewTable()
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for i, comp := range completions {
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luaComps.Set(rt.IntValue(int64(i + 1)), rt.StringValue(comp))
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}
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return c.PushingNext1(t.Runtime, rt.TableValue(luaComps)), nil
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return c.PushingNext(t.Runtime, rt.TableValue(luaComps), rt.StringValue(pfx)), nil
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}
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func luaBinaryComplete(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
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@ -178,14 +274,14 @@ func luaBinaryComplete(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
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return nil, err
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}
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completions, _ := binaryComplete(query, ctx, fds)
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completions, pfx := binaryComplete(query, ctx, fds)
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luaComps := rt.NewTable()
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for i, comp := range completions {
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luaComps.Set(rt.IntValue(int64(i + 1)), rt.StringValue(comp))
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}
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return c.PushingNext1(t.Runtime, rt.TableValue(luaComps)), nil
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return c.PushingNext(t.Runtime, rt.TableValue(luaComps), rt.StringValue(pfx)), nil
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}
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func getCompleteParams(t *rt.Thread, c *rt.GoCont) (string, string, []string, error) {
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102
rl.go
102
rl.go
@ -84,76 +84,29 @@ func newLineReader(prompt string, noHist bool) *lineReader {
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return highlighted
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}
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rl.TabCompleter = func(line []rune, pos int, _ readline.DelayedTabContext) (string, []*readline.CompletionGroup) {
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ctx := string(line)
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var compGroup []*readline.CompletionGroup
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ctx = strings.TrimLeft(ctx, " ")
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if len(ctx) == 0 {
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return "", compGroup
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}
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fields := strings.Split(ctx, " ")
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if len(fields) == 0 {
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return "", compGroup
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}
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query := fields[len(fields) - 1]
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ctx = aliases.Resolve(ctx)
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if len(fields) == 1 {
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completions, prefix := binaryComplete(query, ctx, fields)
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compGroup = append(compGroup, &readline.CompletionGroup{
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TrimSlash: false,
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NoSpace: true,
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Suggestions: completions,
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})
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return prefix, compGroup
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} else {
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if completecb, ok := luaCompletions["command." + fields[0]]; ok {
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luaFields := rt.NewTable()
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for i, f := range fields {
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luaFields.Set(rt.IntValue(int64(i + 1)), rt.StringValue(f))
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}
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// we must keep the holy 80 cols
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luacompleteTable, err := rt.Call1(l.MainThread(),
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rt.FunctionValue(completecb), rt.StringValue(query),
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rt.StringValue(ctx), rt.TableValue(luaFields))
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term := rt.NewTerminationWith(l.MainThread().CurrentCont(), 2, false)
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compHandle := hshMod.Get(rt.StringValue("completion")).AsTable().Get(rt.StringValue("handler"))
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err := rt.Call(l.MainThread(), compHandle, []rt.Value{rt.StringValue(string(line)),
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rt.IntValue(int64(pos))}, term)
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var compGroups []*readline.CompletionGroup
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if err != nil {
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return "", compGroup
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return "", compGroups
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}
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/*
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as an example with git,
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completion table should be structured like:
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{
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{
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items = {
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'add',
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'clone',
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'init'
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},
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type = 'grid'
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},
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{
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items = {
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'-c',
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'--git-dir'
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},
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type = 'list'
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luaCompGroups := term.Get(0)
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luaPrefix := term.Get(1)
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if luaCompGroups.Type() != rt.TableType {
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return "", compGroups
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}
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}
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^ a table of completion groups.
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it is the responsibility of the completer
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to work on subcommands and subcompletions
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*/
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if cmpTbl, ok := luacompleteTable.TryTable(); ok {
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util.ForEach(cmpTbl, func(key rt.Value, val rt.Value) {
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if key.Type() != rt.IntType && val.Type() != rt.TableType {
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groups := luaCompGroups.AsTable()
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// prefix is optional
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pfx, _ := luaPrefix.TryString()
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util.ForEach(groups, func(key rt.Value, val rt.Value) {
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if key.Type() != rt.IntType || val.Type() != rt.TableType {
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return
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}
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@ -161,7 +114,7 @@ func newLineReader(prompt string, noHist bool) *lineReader {
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luaCompType := valTbl.Get(rt.StringValue("type"))
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luaCompItems := valTbl.Get(rt.StringValue("items"))
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if luaCompType.Type() != rt.StringType && luaCompItems.Type() != rt.TableType {
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if luaCompType.Type() != rt.StringType || luaCompItems.Type() != rt.TableType {
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return
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}
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@ -206,7 +159,7 @@ func newLineReader(prompt string, noHist bool) *lineReader {
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//case "map": dispType = readline.TabDisplayMap
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}
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compGroup = append(compGroup, &readline.CompletionGroup{
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compGroups = append(compGroups, &readline.CompletionGroup{
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DisplayType: dispType,
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Descriptions: itemDescriptions,
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Suggestions: items,
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@ -214,21 +167,8 @@ func newLineReader(prompt string, noHist bool) *lineReader {
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NoSpace: true,
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})
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})
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}
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}
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if len(compGroup) == 0 {
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completions, p := fileComplete(query, ctx, fields)
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fcompGroup := []*readline.CompletionGroup{{
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TrimSlash: false,
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NoSpace: true,
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Suggestions: completions,
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}}
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return p, fcompGroup
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}
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}
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return "", compGroup
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return pfx, compGroups
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}
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return &lineReader{
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