mirror of
https://github.com/go-gitea/gitea.git
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* update github.com/alecthomas/chroma v0.8.0 -> v0.8.1 * github.com/blevesearch/bleve v1.0.10 -> v1.0.12 * editorconfig-core-go v2.1.1 -> v2.3.7 * github.com/gliderlabs/ssh v0.2.2 -> v0.3.1 * migrate editorconfig.ParseBytes to Parse * github.com/shurcooL/vfsgen to 0d455de96546 * github.com/go-git/go-git/v5 v5.1.0 -> v5.2.0 * github.com/google/uuid v1.1.1 -> v1.1.2 * github.com/huandu/xstrings v1.3.0 -> v1.3.2 * github.com/klauspost/compress v1.10.11 -> v1.11.1 * github.com/markbates/goth v1.61.2 -> v1.65.0 * github.com/mattn/go-sqlite3 v1.14.0 -> v1.14.4 * github.com/mholt/archiver v3.3.0 -> v3.3.2 * github.com/microcosm-cc/bluemonday 4f7140c49acb -> v1.0.4 * github.com/minio/minio-go v7.0.4 -> v7.0.5 * github.com/olivere/elastic v7.0.9 -> v7.0.20 * github.com/urfave/cli v1.20.0 -> v1.22.4 * github.com/prometheus/client_golang v1.1.0 -> v1.8.0 * github.com/xanzy/go-gitlab v0.37.0 -> v0.38.1 * mvdan.cc/xurls v2.1.0 -> v2.2.0 Co-authored-by: Lauris BH <lauris@nix.lv>
191 lines
3.7 KiB
Go
Vendored
191 lines
3.7 KiB
Go
Vendored
package editorconfig
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import (
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"fmt"
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"regexp"
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"strconv"
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"strings"
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)
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var (
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// findLeftBrackets matches the opening left bracket {
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findLeftBrackets = regexp.MustCompile(`(^|[^\\])\{`)
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// findLeftBrackets matches the closing right bracket {
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findRightBrackets = regexp.MustCompile(`(^|[^\\])\}`)
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// findNumericRange matches a range of number, e.g. -2..5
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findNumericRange = regexp.MustCompile(`^([+-]?\d+)\.\.([+-]?\d+)$`)
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)
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// FnmatchCase tests whether the name matches the given pattern case included.
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func FnmatchCase(pattern, name string) (bool, error) {
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p := translate(pattern)
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r, err := regexp.Compile(fmt.Sprintf("^%s$", p))
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if err != nil {
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return false, err
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}
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return r.MatchString(name), nil
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}
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func translate(pattern string) string { // nolint: gocyclo
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index := 0
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pat := []rune(pattern)
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length := len(pat)
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result := strings.Builder{}
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braceLevel := 0
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isEscaped := false
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inBrackets := false
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matchesBraces := len(findLeftBrackets.FindAllString(pattern, -1)) == len(findRightBrackets.FindAllString(pattern, -1))
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for index < length {
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r := pat[index]
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index++
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switch r {
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case '*':
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p := index
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if p < length && pat[p] == '*' {
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result.WriteString(".*")
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index++
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} else {
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result.WriteString("[^/]*")
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}
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case '/':
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p := index
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if p+2 < length && pat[p] == '*' && pat[p+1] == '*' && pat[p+2] == '/' {
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result.WriteString("(?:/|/.*/)")
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index += 3
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} else {
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result.WriteRune(r)
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}
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case '?':
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result.WriteString("[^/]")
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case '[':
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if inBrackets {
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result.WriteString("\\[")
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} else {
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hasSlash := false
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res := strings.Builder{}
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p := index
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for p < length {
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if pat[p] == ']' && pat[p-1] != '\\' {
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break
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}
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res.WriteRune(pat[p])
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if pat[p] == '/' && pat[p-1] != '\\' {
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hasSlash = true
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break
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}
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p++
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}
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if hasSlash {
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result.WriteString("\\[" + res.String())
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index = p + 1
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} else {
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inBrackets = true
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if index < length && pat[index] == '!' || pat[index] == '^' {
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index++
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result.WriteString("[^")
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} else {
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result.WriteRune('[')
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}
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}
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}
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case ']':
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if inBrackets && pat[index-2] == '\\' {
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result.WriteString("\\]")
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} else {
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result.WriteRune(r)
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inBrackets = false
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}
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case '{':
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hasComma := false
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p := index
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res := strings.Builder{}
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for p < length {
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if pat[p] == '}' && pat[p-1] != '\\' {
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break
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}
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res.WriteRune(pat[p])
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if pat[p] == ',' && pat[p-1] != '\\' {
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hasComma = true
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break
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}
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p++
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}
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switch {
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case !hasComma && p < length:
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inner := res.String()
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sub := findNumericRange.FindStringSubmatch(inner)
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if len(sub) == 3 {
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from, _ := strconv.Atoi(sub[1])
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to, _ := strconv.Atoi(sub[2])
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result.WriteString("(?:")
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// XXX does not scale well
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for i := from; i < to; i++ {
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result.WriteString(strconv.Itoa(i))
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result.WriteRune('|')
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}
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result.WriteString(strconv.Itoa(to))
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result.WriteRune(')')
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} else {
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r := translate(inner)
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result.WriteString(fmt.Sprintf("\\{%s\\}", r))
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}
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index = p + 1
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case matchesBraces:
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result.WriteString("(?:")
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braceLevel++
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default:
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result.WriteString("\\{")
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}
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case '}':
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if braceLevel > 0 {
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if isEscaped {
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result.WriteRune('}')
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isEscaped = false
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} else {
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result.WriteRune(')')
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braceLevel--
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}
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} else {
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result.WriteString("\\}")
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}
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case ',':
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if braceLevel == 0 || isEscaped {
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result.WriteRune(r)
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} else {
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result.WriteRune('|')
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}
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default:
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if r != '\\' || isEscaped {
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result.WriteString(regexp.QuoteMeta(string(r)))
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isEscaped = false
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} else {
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isEscaped = true
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}
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}
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}
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return result.String()
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}
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