diff options
Diffstat (limited to 'vendor/github.com/ettle/strcase/split.go')
| -rw-r--r-- | vendor/github.com/ettle/strcase/split.go | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/vendor/github.com/ettle/strcase/split.go b/vendor/github.com/ettle/strcase/split.go deleted file mode 100644 index 32bc29759..000000000 --- a/vendor/github.com/ettle/strcase/split.go +++ /dev/null @@ -1,165 +0,0 @@ -package strcase - -import "unicode" - -// SplitFn defines how to split a string into words -type SplitFn func(prev, curr, next rune) SplitAction - -// NewSplitFn returns a SplitFn based on the options provided. -// -// NewSplitFn covers the majority of common options that other strcase -// libraries provide and should allow you to simply create a custom caser. -// For more complicated use cases, feel free to write your own SplitFn -// -//nolint:gocyclo -func NewSplitFn( - delimiters []rune, - splitOptions ...SplitOption, -) SplitFn { - var splitCase, splitAcronym, splitBeforeNumber, splitAfterNumber, preserveNumberFormatting bool - - for _, option := range splitOptions { - switch option { - case SplitCase: - splitCase = true - case SplitAcronym: - splitAcronym = true - case SplitBeforeNumber: - splitBeforeNumber = true - case SplitAfterNumber: - splitAfterNumber = true - case PreserveNumberFormatting: - preserveNumberFormatting = true - } - } - - return func(prev, curr, next rune) SplitAction { - // The most common case will be that it's just a letter - // There are safe cases to process - if isLower(curr) && !isNumber(prev) { - return Noop - } - if isUpper(prev) && isUpper(curr) && isUpper(next) { - return Noop - } - - if preserveNumberFormatting { - if (curr == '.' || curr == ',') && - isNumber(prev) && isNumber(next) { - return Noop - } - } - - if unicode.IsSpace(curr) { - return SkipSplit - } - for _, d := range delimiters { - if curr == d { - return SkipSplit - } - } - - if splitBeforeNumber { - if isNumber(curr) && !isNumber(prev) { - if preserveNumberFormatting && (prev == '.' || prev == ',') { - return Noop - } - return Split - } - } - - if splitAfterNumber { - if isNumber(prev) && !isNumber(curr) { - return Split - } - } - - if splitCase { - if !isUpper(prev) && isUpper(curr) { - return Split - } - } - - if splitAcronym { - if isUpper(prev) && isUpper(curr) && isLower(next) { - return Split - } - } - - return Noop - } -} - -// SplitOption are options that allow for configuring NewSplitFn -type SplitOption int - -const ( - // SplitCase - FooBar -> Foo_Bar - SplitCase SplitOption = iota - // SplitAcronym - FOOBar -> Foo_Bar - // It won't preserve FOO's case. If you want, you can set the Caser's initialisms so FOO will be in all caps - SplitAcronym - // SplitBeforeNumber - port80 -> port_80 - SplitBeforeNumber - // SplitAfterNumber - 200status -> 200_status - SplitAfterNumber - // PreserveNumberFormatting - a.b.2,000.3.c -> a_b_2,000.3_c - PreserveNumberFormatting -) - -// SplitAction defines if and how to split a string -type SplitAction int - -const ( - // Noop - Continue to next character - Noop SplitAction = iota - // Split - Split between words - // e.g. to split between wordsWithoutDelimiters - Split - // SkipSplit - Split the word and drop the character - // e.g. to split words with delimiters - SkipSplit - // Skip - Remove the character completely - Skip -) - -//nolint:gocyclo -func defaultSplitFn(prev, curr, next rune) SplitAction { - // The most common case will be that it's just a letter so let lowercase letters return early since we know what they should do - if isLower(curr) { - return Noop - } - // Delimiters are _, -, ., and unicode spaces - // Handle . lower down as it needs to happen after number exceptions - if curr == '_' || curr == '-' || isSpace(curr) { - return SkipSplit - } - - if isUpper(curr) { - if isLower(prev) { - // fooBar - return Split - } else if isUpper(prev) && isLower(next) { - // FOOBar - return Split - } - } - - // Do numeric exceptions last to avoid perf penalty - if unicode.IsNumber(prev) { - // v4.3 is not split - if (curr == '.' || curr == ',') && unicode.IsNumber(next) { - return Noop - } - if !unicode.IsNumber(curr) && curr != '.' { - return Split - } - } - // While period is a default delimiter, keep it down here to avoid - // penalty for other delimiters - if curr == '.' { - return SkipSplit - } - - return Noop -} |
