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This commit is contained in:
Guillaume J. Charmes
2013-05-28 13:42:50 -07:00
parent 90ffcda055 235ae9cd43
commit dce82bc856
73 changed files with 706 additions and 321 deletions
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utils/utils.go
+24 -7
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@@ -69,6 +69,7 @@ type progressReader struct {
readProgress int // How much has been read so far (bytes)
lastUpdate int // How many bytes read at least update
template string // Template to print. Default "%v/%v (%v)"
json bool
}
func (r *progressReader) Read(p []byte) (n int, err error) {
@@ -84,15 +85,15 @@ func (r *progressReader) Read(p []byte) (n int, err error) {
}
if r.readProgress-r.lastUpdate > updateEvery || err != nil {
if r.readTotal > 0 {
fmt.Fprintf(r.output, r.template+"\r", r.readProgress, r.readTotal, fmt.Sprintf("%.0f%%", float64(r.readProgress)/float64(r.readTotal)*100))
fmt.Fprintf(r.output, r.template, r.readProgress, r.readTotal, fmt.Sprintf("%.0f%%", float64(r.readProgress)/float64(r.readTotal)*100))
} else {
fmt.Fprintf(r.output, r.template+"\r", r.readProgress, "?", "n/a")
fmt.Fprintf(r.output, r.template, r.readProgress, "?", "n/a")
}
r.lastUpdate = r.readProgress
}
// Send newline when complete
if err != nil {
fmt.Fprintf(r.output, "\n")
fmt.Fprintf(r.output, FormatStatus("", r.json))
}
return read, err
@@ -100,11 +101,11 @@ func (r *progressReader) Read(p []byte) (n int, err error) {
func (r *progressReader) Close() error {
return io.ReadCloser(r.reader).Close()
}
func ProgressReader(r io.ReadCloser, size int, output io.Writer, template string) *progressReader {
if template == "" {
template = "%v/%v (%v)"
func ProgressReader(r io.ReadCloser, size int, output io.Writer, template string, json bool) *progressReader {
if template == "" {
template = "%v/%v (%v)\r"
}
return &progressReader{r, NewWriteFlusher(output), size, 0, 0, template}
return &progressReader{r, NewWriteFlusher(output), size, 0, 0, template, json}
}
// HumanDuration returns a human-readable approximation of a duration
@@ -562,3 +563,19 @@ func NewWriteFlusher(w io.Writer) *WriteFlusher {
}
return &WriteFlusher{w: w, flusher: flusher}
}
func FormatStatus(str string, json bool) string {
if json {
return "{\"status\" : \"" + str + "\"}"
}
return str + "\r\n"
}
func FormatProgress(str string, json bool) string {
if json {
return "{\"progress\" : \"" + str + "\"}"
}
return "Downloading " + str + "\r"
}