1 /*

     2  * Copyright (C) 2014-2018 Mikael Berthe <mikael@lilotux.net>

     3  *

     4  * This program is free software; you can redistribute it and/or modify

     5  * it under the terms of the GNU General Public License as published by

     6  * the Free Software Foundation; either version 2 of the License, or (at

     7  * your option) any later version.

     8  *

     9  * This program is distributed in the hope that it will be useful, but

    10  * WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    12  * General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program; if not, write to the Free Software

    16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307

    17  * USA

    18  */

    19 

    20 package main

    21 

    22 // Implement a sort interface for the list of duplicate groups

    23 type byGroupFileSize foListList

    24 

    25 func (a byGroupFileSize) Len() int      { return len(a) }

    26 func (a byGroupFileSize) Swap(i, j int) { a[i], a[j] = a[j], a[i] }

    27 func (a byGroupFileSize) Less(i, j int) bool {

    28 	// Since this is supposed to be used for duplicate lists,

    29 	// we use the size of the first file of the group.

    30 	if a[i][0].Size() == a[j][0].Size() {

    31 		return a[i][0].FilePath < a[j][0].FilePath

    32 	}

    33 	return a[i][0].Size() < a[j][0].Size()

    34 }

    35 

    36 // Implement a sort interface for a slice of files

    37 type byFilePathName FileObjList

    38 

    39 func (a byFilePathName) Len() int      { return len(a) }

    40 func (a byFilePathName) Swap(i, j int) { a[i], a[j] = a[j], a[i] }

    41 func (a byFilePathName) Less(i, j int) bool {

    42 	return a[i].FilePath < a[j].FilePath

    43 }