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Hilbish/editor.go

97 lines
2.0 KiB

package main
import (
"hilbish/util"
rt "github.com/arnodel/golua/runtime"
)
// #interface editor
// interactions for Hilbish's line reader
// The hilbish.editor interface provides functions to
// directly interact with the line editor in use.
func editorLoader(rtm *rt.Runtime) *rt.Table {
exports := map[string]util.LuaExport{
"insert": {editorInsert, 1, false},
"setVimRegister": {editorSetRegister, 1, false},
"getVimRegister": {editorGetRegister, 2, false},
"getLine": {editorGetLine, 0, false},
}
mod := rt.NewTable()
util.SetExports(rtm, mod, exports)
return mod
}
// #interface editor
// insert(text)
// Inserts text into the line.
func editorInsert(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
if err := c.Check1Arg(); err != nil {
return nil, err
}
text, err := c.StringArg(0)
if err != nil {
return nil, err
}
lr.rl.Insert(text)
return c.Next(), nil
}
// #interface editor
// setVimRegister(register, text)
// Sets the vim register at `register` to hold the passed text.
// --- @param register string
// --- @param text string
func editorSetRegister(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
if err := c.Check1Arg(); err != nil {
return nil, err
}
register, err := c.StringArg(0)
if err != nil {
return nil, err
}
text, err := c.StringArg(1)
if err != nil {
return nil, err
}
lr.rl.SetRegisterBuf(register, []rune(text))
return c.Next(), nil
}
// #interface editor
// getVimRegister(register)
// Returns the text that is at the register.
// --- @param register string
func editorGetRegister(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
if err := c.Check1Arg(); err != nil {
return nil, err
}
register, err := c.StringArg(0)
if err != nil {
return nil, err
}
buf := lr.rl.GetFromRegister(register)
return c.PushingNext1(t.Runtime, rt.StringValue(string(buf))), nil
}
// #interface editor
// getLine()
// Returns the current input line.
func editorGetLine(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
buf := lr.rl.GetLine()
return c.PushingNext1(t.Runtime, rt.StringValue(string(buf))), nil
}