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// Copyright 2018 Fedir RYKHTIK. All rights reserved. |
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// Use of this source code is governed by the GNU GPL 3.0 |
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// license that can be found in the LICENSE file. |
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package sorting |
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import ( |
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"log" |
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"sort" |
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"strconv" |
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) |
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func SortSliceByColumnIndexIntAsc(s [][]string, columnIndex int) [][]string { |
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s = sortSliceByColumnIndexInt(s, columnIndex, "asc") |
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return s |
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} |
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func SortSliceByColumnIndexIntDesc(s [][]string, columnIndex int) [][]string { |
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s = sortSliceByColumnIndexInt(s, columnIndex, "desc") |
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return s |
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} |
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func sortSliceByColumnIndexInt(s [][]string, columnIndex int, direction string) [][]string { |
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if columnIndex == 0 { |
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log.Fatalf("Error occurred. Please check map of columns indexes") |
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} |
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sort.Slice(s, func(i, j int) bool { |
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firstCellValue, _ := strconv.Atoi(s[i][columnIndex]) |
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secondCellValue, _ := strconv.Atoi(s[j][columnIndex]) |
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if direction == "desc" { |
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return firstCellValue > secondCellValue |
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} |
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return firstCellValue < secondCellValue |
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}) |
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return s |
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} |
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func SortSliceByColumnIndexFloatDesc(s [][]string, columnIndex int) [][]string { |
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if columnIndex == 0 { |
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log.Fatalf("Error occurred. Please check map of columns indexes") |
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} |
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sort.Slice(s, func(i, j int) bool { |
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firstCellValue, _ := strconv.ParseFloat(s[i][columnIndex], 32) |
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secondCellValue, _ := strconv.ParseFloat(s[j][columnIndex], 32) |
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return firstCellValue > secondCellValue |
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}) |
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return s |
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} |
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