bench-forgejo/vendor/github.com/sergi/go-diff/diffmatchpatch/stringutil.go
6543 792b4dba2c
[Vendor] Update directly used dependencys (#15593)
* update github.com/blevesearch/bleve v2.0.2 -> v2.0.3

* github.com/denisenkom/go-mssqldb v0.9.0 -> v0.10.0

* github.com/editorconfig/editorconfig-core-go v2.4.1 -> v2.4.2

* github.com/go-chi/cors v1.1.1 -> v1.2.0

* github.com/go-git/go-billy v5.0.0 -> v5.1.0

* github.com/go-git/go-git v5.2.0 -> v5.3.0

* github.com/go-ldap/ldap v3.2.4 -> v3.3.0

* github.com/go-redis/redis v8.6.0 -> v8.8.2

* github.com/go-sql-driver/mysql v1.5.0 -> v1.6.0

* github.com/go-swagger/go-swagger v0.26.1 -> v0.27.0

* github.com/lib/pq v1.9.0 -> v1.10.1

* github.com/mattn/go-sqlite3 v1.14.6 -> v1.14.7

* github.com/go-testfixtures/testfixtures v3.5.0 -> v3.6.0

* github.com/issue9/identicon v1.0.1 -> v1.2.0

* github.com/klauspost/compress v1.11.8 -> v1.12.1

* github.com/mgechev/revive v1.0.3 -> v1.0.6

* github.com/microcosm-cc/bluemonday v1.0.7 -> v1.0.8

* github.com/niklasfasching/go-org v1.4.0 -> v1.5.0

* github.com/olivere/elastic v7.0.22 -> v7.0.24

* github.com/pelletier/go-toml v1.8.1 -> v1.9.0

* github.com/prometheus/client_golang v1.9.0 -> v1.10.0

* github.com/xanzy/go-gitlab v0.44.0 -> v0.48.0

* github.com/yuin/goldmark v1.3.3 -> v1.3.5

* github.com/6543/go-version v1.2.4 -> v1.3.1

* do github.com/lib/pq v1.10.0 -> v1.10.1 again ...
2021-04-22 20:08:53 -04:00

106 lines
2.7 KiB
Go
Vendored

// Copyright (c) 2012-2016 The go-diff authors. All rights reserved.
// https://github.com/sergi/go-diff
// See the included LICENSE file for license details.
//
// go-diff is a Go implementation of Google's Diff, Match, and Patch library
// Original library is Copyright (c) 2006 Google Inc.
// http://code.google.com/p/google-diff-match-patch/
package diffmatchpatch
import (
"strconv"
"strings"
"unicode/utf8"
)
// unescaper unescapes selected chars for compatibility with JavaScript's encodeURI.
// In speed critical applications this could be dropped since the receiving application will certainly decode these fine. Note that this function is case-sensitive. Thus "%3F" would not be unescaped. But this is ok because it is only called with the output of HttpUtility.UrlEncode which returns lowercase hex. Example: "%3f" -> "?", "%24" -> "$", etc.
var unescaper = strings.NewReplacer(
"%21", "!", "%7E", "~", "%27", "'",
"%28", "(", "%29", ")", "%3B", ";",
"%2F", "/", "%3F", "?", "%3A", ":",
"%40", "@", "%26", "&", "%3D", "=",
"%2B", "+", "%24", "$", "%2C", ",", "%23", "#", "%2A", "*")
// indexOf returns the first index of pattern in str, starting at str[i].
func indexOf(str string, pattern string, i int) int {
if i > len(str)-1 {
return -1
}
if i <= 0 {
return strings.Index(str, pattern)
}
ind := strings.Index(str[i:], pattern)
if ind == -1 {
return -1
}
return ind + i
}
// lastIndexOf returns the last index of pattern in str, starting at str[i].
func lastIndexOf(str string, pattern string, i int) int {
if i < 0 {
return -1
}
if i >= len(str) {
return strings.LastIndex(str, pattern)
}
_, size := utf8.DecodeRuneInString(str[i:])
return strings.LastIndex(str[:i+size], pattern)
}
// runesIndexOf returns the index of pattern in target, starting at target[i].
func runesIndexOf(target, pattern []rune, i int) int {
if i > len(target)-1 {
return -1
}
if i <= 0 {
return runesIndex(target, pattern)
}
ind := runesIndex(target[i:], pattern)
if ind == -1 {
return -1
}
return ind + i
}
func runesEqual(r1, r2 []rune) bool {
if len(r1) != len(r2) {
return false
}
for i, c := range r1 {
if c != r2[i] {
return false
}
}
return true
}
// runesIndex is the equivalent of strings.Index for rune slices.
func runesIndex(r1, r2 []rune) int {
last := len(r1) - len(r2)
for i := 0; i <= last; i++ {
if runesEqual(r1[i:i+len(r2)], r2) {
return i
}
}
return -1
}
func intArrayToString(ns []uint32) string {
if len(ns) == 0 {
return ""
}
indexSeparator := IndexSeparator[0]
// Appr. 3 chars per num plus the comma.
b := []byte{}
for _, n := range ns {
b = strconv.AppendInt(b, int64(n), 10)
b = append(b, indexSeparator)
}
b = b[:len(b)-1]
return string(b)
}