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author | Harrison Healey <harrisonmhealey@gmail.com> | 2018-01-16 12:03:31 -0500 |
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committer | GitHub <noreply@github.com> | 2018-01-16 12:03:31 -0500 |
commit | 2fa7c464f019f67c5c0494aaf5ac0f5ecc1ee7a7 (patch) | |
tree | e08ff912e1924c06939f314168c3362d6f1ec0de /vendor/github.com/pelletier/go-toml/lexer.go | |
parent | f5c8a71698d0a7a16c68be220e49fe64bfee7f5c (diff) | |
download | chat-2fa7c464f019f67c5c0494aaf5ac0f5ecc1ee7a7.tar.gz chat-2fa7c464f019f67c5c0494aaf5ac0f5ecc1ee7a7.tar.bz2 chat-2fa7c464f019f67c5c0494aaf5ac0f5ecc1ee7a7.zip |
Updated dependencies and added avct/uasurfer (#8089)
* Updated dependencies and added avct/uasurfer
* Added uasurfer to NOTICE.txt
Diffstat (limited to 'vendor/github.com/pelletier/go-toml/lexer.go')
-rw-r--r-- | vendor/github.com/pelletier/go-toml/lexer.go | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/vendor/github.com/pelletier/go-toml/lexer.go b/vendor/github.com/pelletier/go-toml/lexer.go index 1b6647d66..209665676 100644 --- a/vendor/github.com/pelletier/go-toml/lexer.go +++ b/vendor/github.com/pelletier/go-toml/lexer.go @@ -575,8 +575,67 @@ func (l *tomlLexer) lexRightBracket() tomlLexStateFn { return l.lexRvalue } +type validRuneFn func(r rune) bool + +func isValidHexRune(r rune) bool { + return r >= 'a' && r <= 'f' || + r >= 'A' && r <= 'F' || + r >= '0' && r <= '9' || + r == '_' +} + +func isValidOctalRune(r rune) bool { + return r >= '0' && r <= '7' || r == '_' +} + +func isValidBinaryRune(r rune) bool { + return r == '0' || r == '1' || r == '_' +} + func (l *tomlLexer) lexNumber() tomlLexStateFn { r := l.peek() + + if r == '0' { + follow := l.peekString(2) + if len(follow) == 2 { + var isValidRune validRuneFn + switch follow[1] { + case 'x': + isValidRune = isValidHexRune + case 'o': + isValidRune = isValidOctalRune + case 'b': + isValidRune = isValidBinaryRune + default: + if follow[1] >= 'a' && follow[1] <= 'z' || follow[1] >= 'A' && follow[1] <= 'Z' { + return l.errorf("unknown number base: %s. possible options are x (hex) o (octal) b (binary)", string(follow[1])) + } + } + + if isValidRune != nil { + l.next() + l.next() + digitSeen := false + for { + next := l.peek() + if !isValidRune(next) { + break + } + digitSeen = true + l.next() + } + + if !digitSeen { + return l.errorf("number needs at least one digit") + } + + l.emit(tokenInteger) + + return l.lexRvalue + } + } + } + if r == '+' || r == '-' { l.next() } |