forgejo/modules/util/compare.go
flynnnnnnnnnn e81ccc406b
Implement FSFE REUSE for golang files (#21840)
Change all license headers to comply with REUSE specification.

Fix #16132

Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>
2022-11-27 18:20:29 +00:00

92 lines
2 KiB
Go

// Copyright 2017 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package util
import (
"sort"
"strings"
)
// Int64Slice attaches the methods of Interface to []int64, sorting in increasing order.
type Int64Slice []int64
func (p Int64Slice) Len() int { return len(p) }
func (p Int64Slice) Less(i, j int) bool { return p[i] < p[j] }
func (p Int64Slice) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
// IsSliceInt64Eq returns if the two slice has the same elements but different sequences.
func IsSliceInt64Eq(a, b []int64) bool {
if len(a) != len(b) {
return false
}
sort.Sort(Int64Slice(a))
sort.Sort(Int64Slice(b))
for i := 0; i < len(a); i++ {
if a[i] != b[i] {
return false
}
}
return true
}
// ExistsInSlice returns true if string exists in slice.
func ExistsInSlice(target string, slice []string) bool {
i := sort.Search(len(slice),
func(i int) bool { return slice[i] == target })
return i < len(slice)
}
// IsStringInSlice sequential searches if string exists in slice.
func IsStringInSlice(target string, slice []string, insensitive ...bool) bool {
caseInsensitive := false
if len(insensitive) != 0 && insensitive[0] {
caseInsensitive = true
target = strings.ToLower(target)
}
for i := 0; i < len(slice); i++ {
if caseInsensitive {
if strings.ToLower(slice[i]) == target {
return true
}
} else {
if slice[i] == target {
return true
}
}
}
return false
}
// IsInt64InSlice sequential searches if int64 exists in slice.
func IsInt64InSlice(target int64, slice []int64) bool {
for i := 0; i < len(slice); i++ {
if slice[i] == target {
return true
}
}
return false
}
// IsEqualSlice returns true if slices are equal.
func IsEqualSlice(target, source []string) bool {
if len(target) != len(source) {
return false
}
if (target == nil) != (source == nil) {
return false
}
sort.Strings(target)
sort.Strings(source)
for i, v := range target {
if v != source[i] {
return false
}
}
return true
}