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author | Corey Hulen <corey@hulen.com> | 2017-03-24 23:31:34 -0700 |
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committer | enahum <nahumhbl@gmail.com> | 2017-03-25 03:31:34 -0300 |
commit | 54d3d47daf9190275bbdaf8703b84969a4593451 (patch) | |
tree | 05899b296d0186c1a0da8a540bc486e34ad8eec9 /vendor/github.com/pelletier/go-toml/keysparsing.go | |
parent | 7460302dec7796e01c98264e84bece8169cb6ed9 (diff) | |
download | chat-54d3d47daf9190275bbdaf8703b84969a4593451.tar.gz chat-54d3d47daf9190275bbdaf8703b84969a4593451.tar.bz2 chat-54d3d47daf9190275bbdaf8703b84969a4593451.zip |
PLT-6076 Adding viper libs for config file changes (#5871)
* Adding viper libs for config file changes
* Removing the old fsnotify lib
* updating some missing libs
Diffstat (limited to 'vendor/github.com/pelletier/go-toml/keysparsing.go')
-rw-r--r-- | vendor/github.com/pelletier/go-toml/keysparsing.go | 94 |
1 files changed, 94 insertions, 0 deletions
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..d62ca5fd1 --- /dev/null +++ b/vendor/github.com/pelletier/go-toml/keysparsing.go @@ -0,0 +1,94 @@ +// Parsing keys handling both bare and quoted keys. + +package toml + +import ( + "bytes" + "errors" + "fmt" + "unicode" +) + +func parseKey(key string) ([]string, error) { + groups := []string{} + var buffer bytes.Buffer + inQuotes := false + wasInQuotes := false + escapeNext := false + ignoreSpace := true + expectDot := false + + for _, char := range key { + if ignoreSpace { + if char == ' ' { + continue + } + ignoreSpace = false + } + if escapeNext { + buffer.WriteRune(char) + escapeNext = false + continue + } + switch char { + case '\\': + escapeNext = true + continue + 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 escapeNext { + return nil, errors.New("unfinished escape sequence") + } + 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) +} |