mirror of https://github.com/minio/minio.git
				
				
				
			
		
			
				
	
	
		
			93 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			93 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Go
		
	
	
	
| /*
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|  * Minio Cloud Storage (C) 2016 Minio, Inc.
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|  *
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|  * Licensed under the Apache License, Version 2.0 (the "License");
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|  * you may not use this file except in compliance with the License.
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|  * You may obtain a copy of the License at
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|  *
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|  *     http://www.apache.org/licenses/LICENSE-2.0
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|  *
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|  * Unless required by applicable law or agreed to in writing, software
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|  * distributed under the License is distributed on an "AS IS" BASIS,
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|  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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|  * See the License for the specific language governing permissions and
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|  * limitations under the License.
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|  */
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| 
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| package cmd
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| 
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| import (
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| 	"fmt"
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| 	"runtime"
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| 	"strings"
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| 
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| 	"github.com/cheggaaa/pb"
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| 	"github.com/dustin/go-humanize"
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| 	"github.com/minio/mc/pkg/console"
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| )
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| 
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| // fixateScanBar truncates or stretches text to fit within the terminal size.
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| func fixateScanBar(text string, width int) string {
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| 	if len([]rune(text)) > width {
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| 		// Trim text to fit within the screen
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| 		trimSize := len([]rune(text)) - width + 3 //"..."
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| 		if trimSize < len([]rune(text)) {
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| 			text = "..." + text[trimSize:]
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| 		}
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| 	} else {
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| 		text += strings.Repeat(" ", width-len([]rune(text)))
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| 	}
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| 	return text
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| }
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| 
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| // Progress bar function report objects being scaned.
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| type scanBarFunc func(string)
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| 
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| // scanBarFactory returns a progress bar function to report URL scanning.
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| func scanBarFactory() scanBarFunc {
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| 	fileCount := 0
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| 	termWidth, err := pb.GetTerminalWidth()
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| 	if err != nil {
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| 		termWidth = 80
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| 	}
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| 
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| 	// Cursor animate channel.
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| 	cursorCh := cursorAnimate()
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| 	return func(source string) {
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| 		scanPrefix := fmt.Sprintf("[%s] %s ", humanize.Comma(int64(fileCount)), string(<-cursorCh))
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| 		source = fixateScanBar(source, termWidth-len([]rune(scanPrefix)))
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| 		barText := scanPrefix + source
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| 		console.PrintC("\r" + barText + "\r")
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| 		fileCount++
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| 	}
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| }
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| 
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| // cursorAnimate - returns a animated rune through read channel for every read.
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| func cursorAnimate() <-chan rune {
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| 	cursorCh := make(chan rune)
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| 	var cursors string
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| 
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| 	switch runtime.GOOS {
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| 	case "linux":
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| 		// cursors = "➩➪➫➬➭➮➯➱"
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| 		// cursors = "▁▃▄▅▆▇█▇▆▅▄▃"
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| 		cursors = "◐◓◑◒"
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| 		// cursors = "←↖↑↗→↘↓↙"
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| 		// cursors = "◴◷◶◵"
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| 		// cursors = "◰◳◲◱"
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| 		//cursors = "⣾⣽⣻⢿⡿⣟⣯⣷"
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| 	case "darwin":
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| 		cursors = "◐◓◑◒"
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| 	default:
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| 		cursors = "|/-\\"
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| 	}
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| 	go func() {
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| 		for {
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| 			for _, cursor := range cursors {
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| 				cursorCh <- cursor
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| 			}
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| 		}
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| 	}()
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| 	return cursorCh
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| }
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