From df7d1df4cbad9065c29fef08d3e8d143d8836b3f Mon Sep 17 00:00:00 2001 From: Jesse Duffield Date: Thu, 16 Aug 2018 19:20:59 +1000 Subject: bump dependencies --- vendor/github.com/pelletier/go-toml/keysparsing.go | 85 ++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 vendor/github.com/pelletier/go-toml/keysparsing.go (limited to 'vendor/github.com/pelletier/go-toml/keysparsing.go') diff --git a/vendor/github.com/pelletier/go-toml/keysparsing.go b/vendor/github.com/pelletier/go-toml/keysparsing.go new file mode 100644 index 000000000..284db6467 --- /dev/null +++ b/vendor/github.com/pelletier/go-toml/keysparsing.go @@ -0,0 +1,85 @@ +// Parsing keys handling both bare and quoted keys. + +package toml + +import ( + "bytes" + "errors" + "fmt" + "unicode" +) + +// Convert the bare key group string to an array. +// The input supports double quotation to allow "." inside the key name, +// but escape sequences are not supported. Lexers must unescape them beforehand. +func parseKey(key string) ([]string, error) { + groups := []string{} + var buffer bytes.Buffer + inQuotes := false + wasInQuotes := false + ignoreSpace := true + expectDot := false + + for _, char := range key { + if ignoreSpace { + if char == ' ' { + continue + } + ignoreSpace = false + } + switch char { + case '"': + if inQuotes { + groups = append(groups, buffer.String()) + buffer.Reset() + wasInQuotes = true + } + inQuotes = !inQuotes + expectDot = false + case '.': + if inQuotes { + buffer.WriteRune(char) + } else { + if !wasInQuotes { + if buffer.Len() == 0 { + return nil, errors.New("empty table key") + } + groups = append(groups, buffer.String()) + buffer.Reset() + } + ignoreSpace = true + expectDot = false + wasInQuotes = false + } + case ' ': + if inQuotes { + buffer.WriteRune(char) + } else { + expectDot = true + } + default: + if !inQuotes && !isValidBareChar(char) { + return nil, fmt.Errorf("invalid bare character: %c", char) + } + if !inQuotes && expectDot { + return nil, errors.New("what?") + } + buffer.WriteRune(char) + expectDot = false + } + } + if inQuotes { + return nil, errors.New("mismatched quotes") + } + if buffer.Len() > 0 { + groups = append(groups, buffer.String()) + } + if len(groups) == 0 { + return nil, errors.New("empty key") + } + return groups, nil +} + +func isValidBareChar(r rune) bool { + return isAlphanumeric(r) || r == '-' || unicode.IsNumber(r) +} -- cgit v1.2.3