diff -r 8f478162d991 -r 05c40b36d3b2 vendor/github.com/pelletier/go-toml/v2/scanner.go --- a/vendor/github.com/pelletier/go-toml/v2/scanner.go Thu Sep 22 16:37:07 2022 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,269 +0,0 @@ -package toml - -func scanFollows(b []byte, pattern string) bool { - n := len(pattern) - - return len(b) >= n && string(b[:n]) == pattern -} - -func scanFollowsMultilineBasicStringDelimiter(b []byte) bool { - return scanFollows(b, `"""`) -} - -func scanFollowsMultilineLiteralStringDelimiter(b []byte) bool { - return scanFollows(b, `'''`) -} - -func scanFollowsTrue(b []byte) bool { - return scanFollows(b, `true`) -} - -func scanFollowsFalse(b []byte) bool { - return scanFollows(b, `false`) -} - -func scanFollowsInf(b []byte) bool { - return scanFollows(b, `inf`) -} - -func scanFollowsNan(b []byte) bool { - return scanFollows(b, `nan`) -} - -func scanUnquotedKey(b []byte) ([]byte, []byte) { - // unquoted-key = 1*( ALPHA / DIGIT / %x2D / %x5F ) ; A-Z / a-z / 0-9 / - / _ - for i := 0; i < len(b); i++ { - if !isUnquotedKeyChar(b[i]) { - return b[:i], b[i:] - } - } - - return b, b[len(b):] -} - -func isUnquotedKeyChar(r byte) bool { - return (r >= 'A' && r <= 'Z') || (r >= 'a' && r <= 'z') || (r >= '0' && r <= '9') || r == '-' || r == '_' -} - -func scanLiteralString(b []byte) ([]byte, []byte, error) { - // literal-string = apostrophe *literal-char apostrophe - // apostrophe = %x27 ; ' apostrophe - // literal-char = %x09 / %x20-26 / %x28-7E / non-ascii - for i := 1; i < len(b); { - switch b[i] { - case '\'': - return b[:i+1], b[i+1:], nil - case '\n', '\r': - return nil, nil, newDecodeError(b[i:i+1], "literal strings cannot have new lines") - } - size := utf8ValidNext(b[i:]) - if size == 0 { - return nil, nil, newDecodeError(b[i:i+1], "invalid character") - } - i += size - } - - return nil, nil, newDecodeError(b[len(b):], "unterminated literal string") -} - -func scanMultilineLiteralString(b []byte) ([]byte, []byte, error) { - // ml-literal-string = ml-literal-string-delim [ newline ] ml-literal-body - // ml-literal-string-delim - // ml-literal-string-delim = 3apostrophe - // ml-literal-body = *mll-content *( mll-quotes 1*mll-content ) [ mll-quotes ] - // - // mll-content = mll-char / newline - // mll-char = %x09 / %x20-26 / %x28-7E / non-ascii - // mll-quotes = 1*2apostrophe - for i := 3; i < len(b); { - switch b[i] { - case '\'': - if scanFollowsMultilineLiteralStringDelimiter(b[i:]) { - i += 3 - - // At that point we found 3 apostrophe, and i is the - // index of the byte after the third one. The scanner - // needs to be eager, because there can be an extra 2 - // apostrophe that can be accepted at the end of the - // string. - - if i >= len(b) || b[i] != '\'' { - return b[:i], b[i:], nil - } - i++ - - if i >= len(b) || b[i] != '\'' { - return b[:i], b[i:], nil - } - i++ - - if i < len(b) && b[i] == '\'' { - return nil, nil, newDecodeError(b[i-3:i+1], "''' not allowed in multiline literal string") - } - - return b[:i], b[i:], nil - } - case '\r': - if len(b) < i+2 { - return nil, nil, newDecodeError(b[len(b):], `need a \n after \r`) - } - if b[i+1] != '\n' { - return nil, nil, newDecodeError(b[i:i+2], `need a \n after \r`) - } - i += 2 // skip the \n - continue - } - size := utf8ValidNext(b[i:]) - if size == 0 { - return nil, nil, newDecodeError(b[i:i+1], "invalid character") - } - i += size - } - - return nil, nil, newDecodeError(b[len(b):], `multiline literal string not terminated by '''`) -} - -func scanWindowsNewline(b []byte) ([]byte, []byte, error) { - const lenCRLF = 2 - if len(b) < lenCRLF { - return nil, nil, newDecodeError(b, "windows new line expected") - } - - if b[1] != '\n' { - return nil, nil, newDecodeError(b, `windows new line should be \r\n`) - } - - return b[:lenCRLF], b[lenCRLF:], nil -} - -func scanWhitespace(b []byte) ([]byte, []byte) { - for i := 0; i < len(b); i++ { - switch b[i] { - case ' ', '\t': - continue - default: - return b[:i], b[i:] - } - } - - return b, b[len(b):] -} - -//nolint:unparam -func scanComment(b []byte) ([]byte, []byte, error) { - // comment-start-symbol = %x23 ; # - // non-ascii = %x80-D7FF / %xE000-10FFFF - // non-eol = %x09 / %x20-7F / non-ascii - // - // comment = comment-start-symbol *non-eol - - for i := 1; i < len(b); { - if b[i] == '\n' { - return b[:i], b[i:], nil - } - if b[i] == '\r' { - if i+1 < len(b) && b[i+1] == '\n' { - return b[:i+1], b[i+1:], nil - } - return nil, nil, newDecodeError(b[i:i+1], "invalid character in comment") - } - size := utf8ValidNext(b[i:]) - if size == 0 { - return nil, nil, newDecodeError(b[i:i+1], "invalid character in comment") - } - - i += size - } - - return b, b[len(b):], nil -} - -func scanBasicString(b []byte) ([]byte, bool, []byte, error) { - // basic-string = quotation-mark *basic-char quotation-mark - // quotation-mark = %x22 ; " - // basic-char = basic-unescaped / escaped - // basic-unescaped = wschar / %x21 / %x23-5B / %x5D-7E / non-ascii - // escaped = escape escape-seq-char - escaped := false - i := 1 - - for ; i < len(b); i++ { - switch b[i] { - case '"': - return b[:i+1], escaped, b[i+1:], nil - case '\n', '\r': - return nil, escaped, nil, newDecodeError(b[i:i+1], "basic strings cannot have new lines") - case '\\': - if len(b) < i+2 { - return nil, escaped, nil, newDecodeError(b[i:i+1], "need a character after \\") - } - escaped = true - i++ // skip the next character - } - } - - return nil, escaped, nil, newDecodeError(b[len(b):], `basic string not terminated by "`) -} - -func scanMultilineBasicString(b []byte) ([]byte, bool, []byte, error) { - // ml-basic-string = ml-basic-string-delim [ newline ] ml-basic-body - // ml-basic-string-delim - // ml-basic-string-delim = 3quotation-mark - // ml-basic-body = *mlb-content *( mlb-quotes 1*mlb-content ) [ mlb-quotes ] - // - // mlb-content = mlb-char / newline / mlb-escaped-nl - // mlb-char = mlb-unescaped / escaped - // mlb-quotes = 1*2quotation-mark - // mlb-unescaped = wschar / %x21 / %x23-5B / %x5D-7E / non-ascii - // mlb-escaped-nl = escape ws newline *( wschar / newline ) - - escaped := false - i := 3 - - for ; i < len(b); i++ { - switch b[i] { - case '"': - if scanFollowsMultilineBasicStringDelimiter(b[i:]) { - i += 3 - - // At that point we found 3 apostrophe, and i is the - // index of the byte after the third one. The scanner - // needs to be eager, because there can be an extra 2 - // apostrophe that can be accepted at the end of the - // string. - - if i >= len(b) || b[i] != '"' { - return b[:i], escaped, b[i:], nil - } - i++ - - if i >= len(b) || b[i] != '"' { - return b[:i], escaped, b[i:], nil - } - i++ - - if i < len(b) && b[i] == '"' { - return nil, escaped, nil, newDecodeError(b[i-3:i+1], `""" not allowed in multiline basic string`) - } - - return b[:i], escaped, b[i:], nil - } - case '\\': - if len(b) < i+2 { - return nil, escaped, nil, newDecodeError(b[len(b):], "need a character after \\") - } - escaped = true - i++ // skip the next character - case '\r': - if len(b) < i+2 { - return nil, escaped, nil, newDecodeError(b[len(b):], `need a \n after \r`) - } - if b[i+1] != '\n' { - return nil, escaped, nil, newDecodeError(b[i:i+2], `need a \n after \r`) - } - i++ // skip the \n - } - } - - return nil, escaped, nil, newDecodeError(b[len(b):], `multiline basic string not terminated by """`) -}