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rpc_progress.go
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// This file is part of arduino-cli.
//
// Copyright 2020 ARDUINO SA (http://www.arduino.cc/)
//
// This software is released under the GNU General Public License version 3,
// which covers the main part of arduino-cli.
// The terms of this license can be found at:
// https://www.gnu.org/licenses/gpl-3.0.en.html
//
// You can be released from the requirements of the above licenses by purchasing
// a commercial license. Buying such a license is mandatory if you want to
// modify or otherwise use the software for commercial activities involving the
// Arduino software without disclosing the source code of your own applications.
// To purchase a commercial license, send an email to [email protected].
package output
import (
"fmt"
"github.com/arduino/arduino-cli/commands"
"github.com/arduino/arduino-cli/i18n"
rpc "github.com/arduino/arduino-cli/rpc/cc/arduino/cli/commands/v1"
"github.com/cmaglie/pb"
)
var (
// OutputFormat can be "text" or "json"
OutputFormat string
tr = i18n.Tr
)
// ProgressBar returns a DownloadProgressCB that prints a progress bar.
// If JSON output format has been selected, the callback outputs nothing.
func ProgressBar() commands.DownloadProgressCB {
if OutputFormat != "json" {
return NewDownloadProgressBarCB()
}
return func(curr *rpc.DownloadProgress) {
// XXX: Output progress in JSON?
}
}
// TaskProgress returns a TaskProgressCB that prints the task progress.
// If JSON output format has been selected, the callback outputs nothing.
func TaskProgress() commands.TaskProgressCB {
if OutputFormat != "json" {
return NewTaskProgressCB()
}
return func(curr *rpc.TaskProgress) {
// XXX: Output progress in JSON?
}
}
// NewDownloadProgressBarCB creates a progress bar callback that outputs a progress
// bar on the terminal
func NewDownloadProgressBarCB() func(*rpc.DownloadProgress) {
var bar *pb.ProgressBar
var prefix string
return func(curr *rpc.DownloadProgress) {
// fmt.Printf(">>> %v\n", curr)
if filename := curr.GetFile(); filename != "" {
if curr.GetCompleted() {
fmt.Println(tr("%s already downloaded", filename))
return
}
prefix = filename
bar = pb.StartNew(int(curr.GetTotalSize()))
bar.Prefix(prefix)
bar.SetUnits(pb.U_BYTES)
}
if curr.GetDownloaded() != 0 {
bar.Set(int(curr.GetDownloaded()))
}
if curr.GetCompleted() {
bar.FinishPrintOver(tr("%s downloaded", prefix))
}
}
}
// NewNullDownloadProgressCB returns a progress bar callback that outputs nothing.
func NewNullDownloadProgressCB() func(*rpc.DownloadProgress) {
return func(*rpc.DownloadProgress) {}
}
// NewTaskProgressCB returns a commands.TaskProgressCB progress listener
// that outputs to terminal
func NewTaskProgressCB() func(curr *rpc.TaskProgress) {
var name string
return func(curr *rpc.TaskProgress) {
// fmt.Printf(">>> %v\n", curr)
msg := curr.GetMessage()
if curr.GetName() != "" {
name = curr.GetName()
if msg == "" {
msg = name
}
}
if msg != "" {
fmt.Print(msg)
if curr.GetCompleted() {
fmt.Println()
} else {
fmt.Println("...")
}
}
}
}
// NewNullTaskProgressCB returns a progress bar callback that outputs nothing.
func NewNullTaskProgressCB() func(curr *rpc.TaskProgress) {
return func(curr *rpc.TaskProgress) {}
}