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author | 2024-03-12 17:21:59 +0000 | |
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committer | 2024-03-12 18:21:59 +0100 | |
commit | c27049ad15c3f4dad068bc528cab34c06653cd32 (patch) | |
tree | 6942117f046ffedd8bee7f07a970adf29c190ce8 /vendor/github.com/kballard/go-shellquote/unquote.go | |
parent | [feature] Process incoming `Move` activity (#2724) (diff) | |
download | gotosocial-c27049ad15c3f4dad068bc528cab34c06653cd32.tar.xz |
[chore] bump modernc.org/sqlite v1.28.0 -> v1.29.4 (#2749)
Diffstat (limited to 'vendor/github.com/kballard/go-shellquote/unquote.go')
-rw-r--r-- | vendor/github.com/kballard/go-shellquote/unquote.go | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/vendor/github.com/kballard/go-shellquote/unquote.go b/vendor/github.com/kballard/go-shellquote/unquote.go deleted file mode 100644 index b1b13da93..000000000 --- a/vendor/github.com/kballard/go-shellquote/unquote.go +++ /dev/null @@ -1,156 +0,0 @@ -package shellquote - -import ( - "bytes" - "errors" - "strings" - "unicode/utf8" -) - -var ( - UnterminatedSingleQuoteError = errors.New("Unterminated single-quoted string") - UnterminatedDoubleQuoteError = errors.New("Unterminated double-quoted string") - UnterminatedEscapeError = errors.New("Unterminated backslash-escape") -) - -var ( - splitChars = " \n\t" - singleChar = '\'' - doubleChar = '"' - escapeChar = '\\' - doubleEscapeChars = "$`\"\n\\" -) - -// Split splits a string according to /bin/sh's word-splitting rules. It -// supports backslash-escapes, single-quotes, and double-quotes. Notably it does -// not support the $'' style of quoting. It also doesn't attempt to perform any -// other sort of expansion, including brace expansion, shell expansion, or -// pathname expansion. -// -// If the given input has an unterminated quoted string or ends in a -// backslash-escape, one of UnterminatedSingleQuoteError, -// UnterminatedDoubleQuoteError, or UnterminatedEscapeError is returned. -func Split(input string) (words []string, err error) { - var buf bytes.Buffer - words = make([]string, 0) - - for len(input) > 0 { - // skip any splitChars at the start - c, l := utf8.DecodeRuneInString(input) - if strings.ContainsRune(splitChars, c) { - input = input[l:] - continue - } else if c == escapeChar { - // Look ahead for escaped newline so we can skip over it - next := input[l:] - if len(next) == 0 { - err = UnterminatedEscapeError - return - } - c2, l2 := utf8.DecodeRuneInString(next) - if c2 == '\n' { - input = next[l2:] - continue - } - } - - var word string - word, input, err = splitWord(input, &buf) - if err != nil { - return - } - words = append(words, word) - } - return -} - -func splitWord(input string, buf *bytes.Buffer) (word string, remainder string, err error) { - buf.Reset() - -raw: - { - cur := input - for len(cur) > 0 { - c, l := utf8.DecodeRuneInString(cur) - cur = cur[l:] - if c == singleChar { - buf.WriteString(input[0 : len(input)-len(cur)-l]) - input = cur - goto single - } else if c == doubleChar { - buf.WriteString(input[0 : len(input)-len(cur)-l]) - input = cur - goto double - } else if c == escapeChar { - buf.WriteString(input[0 : len(input)-len(cur)-l]) - input = cur - goto escape - } else if strings.ContainsRune(splitChars, c) { - buf.WriteString(input[0 : len(input)-len(cur)-l]) - return buf.String(), cur, nil - } - } - if len(input) > 0 { - buf.WriteString(input) - input = "" - } - goto done - } - -escape: - { - if len(input) == 0 { - return "", "", UnterminatedEscapeError - } - c, l := utf8.DecodeRuneInString(input) - if c == '\n' { - // a backslash-escaped newline is elided from the output entirely - } else { - buf.WriteString(input[:l]) - } - input = input[l:] - } - goto raw - -single: - { - i := strings.IndexRune(input, singleChar) - if i == -1 { - return "", "", UnterminatedSingleQuoteError - } - buf.WriteString(input[0:i]) - input = input[i+1:] - goto raw - } - -double: - { - cur := input - for len(cur) > 0 { - c, l := utf8.DecodeRuneInString(cur) - cur = cur[l:] - if c == doubleChar { - buf.WriteString(input[0 : len(input)-len(cur)-l]) - input = cur - goto raw - } else if c == escapeChar { - // bash only supports certain escapes in double-quoted strings - c2, l2 := utf8.DecodeRuneInString(cur) - cur = cur[l2:] - if strings.ContainsRune(doubleEscapeChars, c2) { - buf.WriteString(input[0 : len(input)-len(cur)-l-l2]) - if c2 == '\n' { - // newline is special, skip the backslash entirely - } else { - buf.WriteRune(c2) - } - input = cur - } - } - } - return "", "", UnterminatedDoubleQuoteError - } - -done: - return buf.String(), input, nil -} |