65 lines
1.1 KiB
Go
65 lines
1.1 KiB
Go
package repl
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import (
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"context"
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"fmt"
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"github.com/lmika/gopkgs/fp/maps"
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"sort"
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"ucl.lmika.dev/ucl"
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)
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type CommandOpt interface {
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config(cmdName string, r *REPL)
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}
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type REPL struct {
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inst *ucl.Inst
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commandDocs map[string]Doc
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}
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func New(opts ...ucl.InstOption) *REPL {
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inst := ucl.New(opts...)
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r := &REPL{
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inst: inst,
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commandDocs: make(map[string]Doc),
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}
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inst.SetBuiltin("help", r.helpBuiltin)
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return r
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}
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func (r *REPL) Inst() *ucl.Inst {
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return r.inst
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}
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func (r *REPL) SetCommand(name string, fn ucl.BuiltinHandler, opts ...CommandOpt) {
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r.commandDocs[name] = Doc{}
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for _, opt := range opts {
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opt.config(name, r)
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}
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r.inst.SetBuiltin(name, fn)
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}
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func (r *REPL) helpBuiltin(ctx context.Context, args ucl.CallArgs) (any, error) {
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switch {
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case args.NArgs() == 0:
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// TEMP
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names := maps.Keys(r.commandDocs)
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sort.Strings(names)
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for _, name := range names {
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cdoc := r.commandDocs[name]
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if cdoc.Brief != "" {
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fmt.Println("%v\t%v", name, r.commandDocs[name])
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} else {
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fmt.Println("%v", name)
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}
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}
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// END TEMP
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}
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return nil, nil
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}
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