github.com/aquanetwork/aquachain@v1.7.8/common/size.go (about)

     1  // Copyright 2014 The aquachain Authors
     2  // This file is part of the aquachain library.
     3  //
     4  // The aquachain library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The aquachain library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the aquachain library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package common
    18  
    19  import (
    20  	"fmt"
    21  )
    22  
    23  // StorageSize is a wrapper around a float value that supports user friendly
    24  // formatting.
    25  type StorageSize float64
    26  
    27  // String implements the stringer interface.
    28  func (s StorageSize) String() string {
    29  	if s > 1000000 {
    30  		return fmt.Sprintf("%.2f mB", s/1000000)
    31  	} else if s > 1000 {
    32  		return fmt.Sprintf("%.2f kB", s/1000)
    33  	} else {
    34  		return fmt.Sprintf("%.2f B", s)
    35  	}
    36  }
    37  
    38  // TerminalString implements log.TerminalStringer, formatting a string for console
    39  // output during logging.
    40  func (s StorageSize) TerminalString() string {
    41  	if s > 1000000 {
    42  		return fmt.Sprintf("%.2fmB", s/1000000)
    43  	} else if s > 1000 {
    44  		return fmt.Sprintf("%.2fkB", s/1000)
    45  	} else {
    46  		return fmt.Sprintf("%.2fB", s)
    47  	}
    48  }