github.com/klaytn/klaytn@v1.12.1/common/size.go (about)

     1  // Modifications Copyright 2018 The klaytn Authors
     2  // Copyright 2015 The go-ethereum Authors
     3  // This file is part of the go-ethereum library.
     4  //
     5  // The go-ethereum library is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU Lesser General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  //
    10  // The go-ethereum library is distributed in the hope that it will be useful,
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    13  // GNU Lesser General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Lesser General Public License
    16  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    17  //
    18  // This file is derived from common/size.go (2018/06/04).
    19  // Modified and improved for the klaytn development.
    20  
    21  package common
    22  
    23  import "fmt"
    24  
    25  // StorageSize is a wrapper around a float value that supports user friendly
    26  // formatting.
    27  type StorageSize float64
    28  
    29  // String implements the stringer interface.
    30  func (s StorageSize) String() string {
    31  	if s > 1000000 {
    32  		return fmt.Sprintf("%.2f mB", s/1000000)
    33  	} else if s > 1000 {
    34  		return fmt.Sprintf("%.2f kB", s/1000)
    35  	} else {
    36  		return fmt.Sprintf("%.2f B", s)
    37  	}
    38  }
    39  
    40  // TerminalString implements log.TerminalStringer, formatting a string for console
    41  // output during logging.
    42  func (s StorageSize) TerminalString() string {
    43  	if s > 1000000 {
    44  		return fmt.Sprintf("%.2fmB", s/1000000)
    45  	} else if s > 1000 {
    46  		return fmt.Sprintf("%.2fkB", s/1000)
    47  	} else {
    48  		return fmt.Sprintf("%.2fB", s)
    49  	}
    50  }