cord-776 create build / runtime containers for autmation uservices
Change-Id: I246973192adef56a250ffe93a5f65fff488840c1
diff --git a/switchq/vendor/github.com/lunixbochs/vtclean/io.go b/switchq/vendor/github.com/lunixbochs/vtclean/io.go
new file mode 100644
index 0000000..31be007
--- /dev/null
+++ b/switchq/vendor/github.com/lunixbochs/vtclean/io.go
@@ -0,0 +1,93 @@
+package vtclean
+
+import (
+ "bufio"
+ "bytes"
+ "io"
+)
+
+type reader struct {
+ io.Reader
+ scanner *bufio.Scanner
+ buf []byte
+
+ color bool
+}
+
+func NewReader(r io.Reader, color bool) io.Reader {
+ return &reader{Reader: r, color: color}
+}
+
+func (r *reader) scan() bool {
+ if r.scanner == nil {
+ r.scanner = bufio.NewScanner(r.Reader)
+ }
+ if len(r.buf) > 0 {
+ return true
+ }
+ if r.scanner.Scan() {
+ r.buf = []byte(Clean(r.scanner.Text(), r.color) + "\n")
+ return true
+ }
+ return false
+}
+
+func (r *reader) fill(p []byte) int {
+ n := len(r.buf)
+ copy(p, r.buf)
+ if len(p) < len(r.buf) {
+ r.buf = r.buf[len(p):]
+ n = len(p)
+ } else {
+ r.buf = nil
+ }
+ return n
+}
+
+func (r *reader) Read(p []byte) (int, error) {
+ n := r.fill(p)
+ if n < len(p) {
+ if !r.scan() {
+ if n == 0 {
+ return 0, io.EOF
+ }
+ return n, nil
+ }
+ n += r.fill(p[n:])
+ }
+ return n, nil
+}
+
+type writer struct {
+ io.Writer
+ buf []byte
+ color bool
+}
+
+func NewWriter(w io.Writer, color bool) io.WriteCloser {
+ return &writer{Writer: w, color: color}
+}
+
+func (w *writer) Write(p []byte) (int, error) {
+ buf := append(w.buf, p...)
+ lines := bytes.Split(buf, []byte("\n"))
+ if len(lines) > 0 {
+ last := len(lines) - 1
+ w.buf = lines[last]
+ count := 0
+ for _, line := range lines[:last] {
+ n, err := w.Writer.Write([]byte(Clean(string(line), w.color) + "\n"))
+ count += n
+ if err != nil {
+ return count, err
+ }
+ }
+ }
+ return len(p), nil
+}
+
+func (w *writer) Close() error {
+ cl := Clean(string(w.buf), w.color)
+ _, err := w.Writer.Write([]byte(cl))
+ return err
+}