mirror of https://github.com/Hilbis/Hilbish
80 lines
1.6 KiB
Go
80 lines
1.6 KiB
Go
//go:build !windows
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// +build !windows
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package readline
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import (
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"crypto/md5"
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"encoding/hex"
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"io/ioutil"
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"os"
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"path/filepath"
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"strconv"
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"time"
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)
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// writeTempFile - This function optionally accepts a filename (generally specified with an extension).
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func (rl *Instance) writeTempFile(content []byte, filename string) (string, error) {
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// The final path to the buffer on disk
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var path string
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// If the user has not provided any filename (including an extension)
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// we generate a random filename with no extension.
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if filename == "" {
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fileID := strconv.Itoa(time.Now().Nanosecond()) + ":" + string(rl.line)
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h := md5.New()
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_, err := h.Write([]byte(fileID))
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if err != nil {
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return "", err
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}
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name := "readline-" + hex.EncodeToString(h.Sum(nil)) + "-" + strconv.Itoa(os.Getpid())
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path = filepath.Join(rl.TempDirectory, name)
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} else {
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// Else, still use the temp/ dir, but with the provided filename
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path = filepath.Join(rl.TempDirectory, filename)
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}
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file, err := os.Create(path)
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if err != nil {
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return "", err
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}
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defer file.Close()
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_, err = file.Write(content)
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return path, err
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}
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func readTempFile(name string) ([]byte, error) {
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file, err := os.Open(name)
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if err != nil {
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return nil, err
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}
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b, err := ioutil.ReadAll(file)
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if err != nil {
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return nil, err
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}
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if len(b) > 0 && b[len(b)-1] == '\n' {
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b = b[:len(b)-1]
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}
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if len(b) > 0 && b[len(b)-1] == '\r' {
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b = b[:len(b)-1]
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}
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if len(b) > 0 && b[len(b)-1] == '\n' {
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b = b[:len(b)-1]
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}
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if len(b) > 0 && b[len(b)-1] == '\r' {
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b = b[:len(b)-1]
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}
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err = os.Remove(name)
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return b, err
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}
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