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chore: vendor
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vendor/github.com/fvbommel/sortorder/.gitignore
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vendor/github.com/fvbommel/sortorder/.gitignore
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# Compiled Object files, Static and Dynamic libs (Shared Objects)
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*.o
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*.a
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*.so
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# Folders
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_obj
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_test
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# Architecture specific extensions/prefixes
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*.[568vq]
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[568vq].out
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*.cgo1.go
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*.cgo2.c
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_cgo_defun.c
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_cgo_gotypes.go
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_cgo_export.*
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_testmain.go
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*.exe
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*.test
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*.prof
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vendor/github.com/fvbommel/sortorder/LICENSE
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vendor/github.com/fvbommel/sortorder/LICENSE
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The MIT License (MIT)
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Copyright (c) 2015 Frits van Bommel
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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vendor/github.com/fvbommel/sortorder/README.md
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vendor/github.com/fvbommel/sortorder/README.md
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# sortorder [](https://pkg.go.dev/github.com/fvbommel/sortorder)
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import "github.com/fvbommel/sortorder"
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Sort orders and comparison functions.
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Case-insensitive sort orders are in the `casefolded` sub-package
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because it pulls in the Unicode tables in the standard library,
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which can add significantly to the size of binaries.
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vendor/github.com/fvbommel/sortorder/doc.go
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vendor/github.com/fvbommel/sortorder/doc.go
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// Package sortorder implements sort orders and comparison functions.
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//
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// Currently, it only implements so-called "natural order", where integers
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// embedded in strings are compared by value.
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package sortorder // import "github.com/fvbommel/sortorder"
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vendor/github.com/fvbommel/sortorder/natsort.go
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vendor/github.com/fvbommel/sortorder/natsort.go
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package sortorder
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// Natural implements sort.Interface to sort strings in natural order. This
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// means that e.g. "abc2" < "abc12".
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//
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// Non-digit sequences and numbers are compared separately. The former are
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// compared bytewise, while digits are compared numerically (except that
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// the number of leading zeros is used as a tie-breaker, so e.g. "2" < "02")
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//
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// Limitation: only ASCII digits (0-9) are considered.
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type Natural []string
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func (n Natural) Len() int { return len(n) }
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func (n Natural) Swap(i, j int) { n[i], n[j] = n[j], n[i] }
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func (n Natural) Less(i, j int) bool { return NaturalLess(n[i], n[j]) }
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func isDigit(b byte) bool { return '0' <= b && b <= '9' }
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// NaturalLess compares two strings using natural ordering. This means that e.g.
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// "abc2" < "abc12".
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//
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// Non-digit sequences and numbers are compared separately. The former are
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// compared bytewise, while digits are compared numerically (except that
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// the number of leading zeros is used as a tie-breaker, so e.g. "2" < "02")
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//
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// Limitation: only ASCII digits (0-9) are considered.
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func NaturalLess(str1, str2 string) bool {
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idx1, idx2 := 0, 0
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for idx1 < len(str1) && idx2 < len(str2) {
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c1, c2 := str1[idx1], str2[idx2]
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dig1, dig2 := isDigit(c1), isDigit(c2)
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switch {
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case dig1 != dig2: // Digits before other characters.
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return dig1 // True if LHS is a digit, false if the RHS is one.
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case !dig1: // && !dig2, because dig1 == dig2
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// UTF-8 compares bytewise-lexicographically, no need to decode
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// codepoints.
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if c1 != c2 {
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return c1 < c2
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}
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idx1++
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idx2++
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default: // Digits
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// Eat zeros.
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for ; idx1 < len(str1) && str1[idx1] == '0'; idx1++ {
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}
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for ; idx2 < len(str2) && str2[idx2] == '0'; idx2++ {
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}
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// Eat all digits.
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nonZero1, nonZero2 := idx1, idx2
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for ; idx1 < len(str1) && isDigit(str1[idx1]); idx1++ {
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}
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for ; idx2 < len(str2) && isDigit(str2[idx2]); idx2++ {
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}
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// If lengths of numbers with non-zero prefix differ, the shorter
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// one is less.
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if len1, len2 := idx1-nonZero1, idx2-nonZero2; len1 != len2 {
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return len1 < len2
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}
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// If they're equally long, string comparison is correct.
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if nr1, nr2 := str1[nonZero1:idx1], str2[nonZero2:idx2]; nr1 != nr2 {
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return nr1 < nr2
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}
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// Otherwise, the one with less zeros is less.
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// Because everything up to the number is equal, comparing the index
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// after the zeros is sufficient.
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if nonZero1 != nonZero2 {
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return nonZero1 < nonZero2
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}
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}
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// They're identical so far, so continue comparing.
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}
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// So far they are identical. At least one is ended. If the other continues,
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// it sorts last.
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return len(str1) < len(str2)
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}
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