71 lines
1.4 KiB
Go
71 lines
1.4 KiB
Go
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package editor
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import (
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"errors"
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"io/fs"
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"os"
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"os/exec"
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"git.burning.moe/celediel/agedit/pkg/tmpfile"
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)
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// EditFile opens the specified file in the configured editor
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func EditFile(editor, filename string) error {
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if editor == "" {
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return errors.New("editor not set")
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}
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// TODO: handle editors that require arguments
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cmd := exec.Command(editor, filename)
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cmd.Stdin = os.Stdin
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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return err
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}
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return nil
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}
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// EditTempFile creates a temporary file with a random name, opens it in the
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// editor, and returns the byte slice of its contents.
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func EditTempFile(editor, start, prefix, suffix string, filename_length int) ([]byte, error) {
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var (
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filename string
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bytes []byte
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err error
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file *os.File
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)
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// generator := tmpfile.NewGenerator("agedit_", ".txt", 13)
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generator := tmpfile.NewGenerator(prefix, suffix, filename_length)
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filename = generator.GenerateFullPath()
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if file, err = os.Create(filename); err != nil {
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return nil, err
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}
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if err = os.WriteFile(filename, []byte(start), fs.FileMode(0600)); err != nil {
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return nil, err
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}
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if err = EditFile(editor, filename); err != nil {
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return nil, err
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}
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if bytes, err = os.ReadFile(filename); err != nil {
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return nil, err
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}
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if err = file.Close(); err != nil {
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return nil, err
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}
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if err = os.Remove(filename); err != nil {
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return nil, err
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}
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return bytes, nil
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}
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