diff options
| author | Taras Madan <tarasmadan@google.com> | 2025-01-22 16:07:17 +0100 |
|---|---|---|
| committer | Taras Madan <tarasmadan@google.com> | 2025-01-23 10:42:36 +0000 |
| commit | 7b4377ad9d8a7205416df8d6217ef2b010f89481 (patch) | |
| tree | e6fec4fd12ff807a16d847923f501075bf71d16c /vendor/github.com/ettle/strcase/convert.go | |
| parent | 475a4c203afb8b7d3af51c4fd32bb170ff32a45e (diff) | |
vendor: delete
Diffstat (limited to 'vendor/github.com/ettle/strcase/convert.go')
| -rw-r--r-- | vendor/github.com/ettle/strcase/convert.go | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/vendor/github.com/ettle/strcase/convert.go b/vendor/github.com/ettle/strcase/convert.go deleted file mode 100644 index cb901d079..000000000 --- a/vendor/github.com/ettle/strcase/convert.go +++ /dev/null @@ -1,306 +0,0 @@ -package strcase - -import "strings" - -// WordCase is an enumeration of the ways to format a word. -type WordCase int - -const ( - // Original - Preserve the original input strcase - Original WordCase = iota - // LowerCase - All letters lower cased (example) - LowerCase - // UpperCase - All letters upper cased (EXAMPLE) - UpperCase - // TitleCase - Only first letter upper cased (Example) - TitleCase - // CamelCase - TitleCase except lower case first word (exampleText) - // Notably, even if the first word is an initialism, it will be lower - // cased. This is important for code generators where capital letters - // mean exported functions. i.e. jsonString(), not JSONString() - CamelCase -) - -// We have 3 convert functions for performance reasons -// The general convert could handle everything, but is not optimized -// -// The other two functions are optimized for the general use cases - that is the non-custom caser functions -// Case 1: Any Case and supports Go Initialisms -// Case 2: UpperCase words, which don't need to support initialisms since everything is in upper case - -// convertWithoutInitialims only works for to UpperCase and LowerCase -// -//nolint:gocyclo -func convertWithoutInitialisms(input string, delimiter rune, wordCase WordCase) string { - input = strings.TrimSpace(input) - runes := []rune(input) - if len(runes) == 0 { - return "" - } - - var b strings.Builder - b.Grow(len(input) + 4) // In case we need to write delimiters where they weren't before - - var prev, curr rune - next := runes[0] // 0 length will have already returned so safe to index - inWord := false - firstWord := true - for i := 0; i < len(runes); i++ { - prev = curr - curr = next - if i+1 == len(runes) { - next = 0 - } else { - next = runes[i+1] - } - - switch defaultSplitFn(prev, curr, next) { - case SkipSplit: - if inWord && delimiter != 0 { - b.WriteRune(delimiter) - } - inWord = false - continue - case Split: - if inWord && delimiter != 0 { - b.WriteRune(delimiter) - } - inWord = false - } - switch wordCase { - case UpperCase: - b.WriteRune(toUpper(curr)) - case LowerCase: - b.WriteRune(toLower(curr)) - case TitleCase: - if inWord { - b.WriteRune(toLower(curr)) - } else { - b.WriteRune(toUpper(curr)) - } - case CamelCase: - if inWord { - b.WriteRune(toLower(curr)) - } else if firstWord { - b.WriteRune(toLower(curr)) - firstWord = false - } else { - b.WriteRune(toUpper(curr)) - } - default: - // Must be original case - b.WriteRune(curr) - } - inWord = true - } - return b.String() -} - -// convertWithGoInitialisms changes a input string to a certain case with a -// delimiter, respecting go initialisms but not skip runes -// -//nolint:gocyclo -func convertWithGoInitialisms(input string, delimiter rune, wordCase WordCase) string { - input = strings.TrimSpace(input) - runes := []rune(input) - if len(runes) == 0 { - return "" - } - - var b strings.Builder - b.Grow(len(input) + 4) // In case we need to write delimiters where they weren't before - - firstWord := true - - addWord := func(start, end int) { - if start == end { - return - } - - if !firstWord && delimiter != 0 { - b.WriteRune(delimiter) - } - - // Don't bother with initialisms if the word is longer than 5 - // A quick proxy to avoid the extra memory allocations - if end-start <= 5 { - var word strings.Builder - word.Grow(end - start) - for i := start; i < end; i++ { - word.WriteRune(toUpper(runes[i])) - } - w := word.String() - if golintInitialisms[w] { - if !firstWord || wordCase != CamelCase { - b.WriteString(w) - firstWord = false - return - } - } - } - - for i := start; i < end; i++ { - r := runes[i] - switch wordCase { - case UpperCase: - panic("use convertWithoutInitialisms instead") - case LowerCase: - b.WriteRune(toLower(r)) - case TitleCase: - if i == start { - b.WriteRune(toUpper(r)) - } else { - b.WriteRune(toLower(r)) - } - case CamelCase: - if !firstWord && i == start { - b.WriteRune(toUpper(r)) - } else { - b.WriteRune(toLower(r)) - } - default: - b.WriteRune(r) - } - } - firstWord = false - } - - var prev, curr rune - next := runes[0] // 0 length will have already returned so safe to index - wordStart := 0 - for i := 0; i < len(runes); i++ { - prev = curr - curr = next - if i+1 == len(runes) { - next = 0 - } else { - next = runes[i+1] - } - - switch defaultSplitFn(prev, curr, next) { - case Split: - addWord(wordStart, i) - wordStart = i - case SkipSplit: - addWord(wordStart, i) - wordStart = i + 1 - } - } - - if wordStart != len(runes) { - addWord(wordStart, len(runes)) - } - return b.String() -} - -// convert changes a input string to a certain case with a delimiter, -// respecting arbitrary initialisms and skip characters -// -//nolint:gocyclo -func convert(input string, fn SplitFn, delimiter rune, wordCase WordCase, - initialisms map[string]bool) string { - input = strings.TrimSpace(input) - runes := []rune(input) - if len(runes) == 0 { - return "" - } - - var b strings.Builder - b.Grow(len(input) + 4) // In case we need to write delimiters where they weren't before - - firstWord := true - var skipIndexes []int - - addWord := func(start, end int) { - // If you have nothing good to say, say nothing at all - if start == end || len(skipIndexes) == end-start { - skipIndexes = nil - return - } - - // If you have something to say, start with a delimiter - if !firstWord && delimiter != 0 { - b.WriteRune(delimiter) - } - - // Check if you're an initialism - // Note - we don't check skip characters here since initialisms - // will probably never have junk characters in between - // I'm open to it if there is a use case - if initialisms != nil { - var word strings.Builder - word.Grow(end - start) - for i := start; i < end; i++ { - word.WriteRune(toUpper(runes[i])) - } - w := word.String() - if initialisms[w] { - if !firstWord || wordCase != CamelCase { - b.WriteString(w) - firstWord = false - return - } - } - } - - skipIdx := 0 - for i := start; i < end; i++ { - if len(skipIndexes) > 0 && skipIdx < len(skipIndexes) && i == skipIndexes[skipIdx] { - skipIdx++ - continue - } - r := runes[i] - switch wordCase { - case UpperCase: - b.WriteRune(toUpper(r)) - case LowerCase: - b.WriteRune(toLower(r)) - case TitleCase: - if i == start { - b.WriteRune(toUpper(r)) - } else { - b.WriteRune(toLower(r)) - } - case CamelCase: - if !firstWord && i == start { - b.WriteRune(toUpper(r)) - } else { - b.WriteRune(toLower(r)) - } - default: - b.WriteRune(r) - } - } - firstWord = false - skipIndexes = nil - } - - var prev, curr rune - next := runes[0] // 0 length will have already returned so safe to index - wordStart := 0 - for i := 0; i < len(runes); i++ { - prev = curr - curr = next - if i+1 == len(runes) { - next = 0 - } else { - next = runes[i+1] - } - - switch fn(prev, curr, next) { - case Skip: - skipIndexes = append(skipIndexes, i) - case Split: - addWord(wordStart, i) - wordStart = i - case SkipSplit: - addWord(wordStart, i) - wordStart = i + 1 - } - } - - if wordStart != len(runes) { - addWord(wordStart, len(runes)) - } - return b.String() -} |
