Utility class for converting between various ASCII case formats. Behavior is undefined for non-ASCII input. @author Mike Bostock @since 1.0
| 31 | * @since 1.0 |
| 32 | */ |
| 33 | @GwtCompatible |
| 34 | public enum CaseFormat { |
| 35 | /** |
| 36 | * Hyphenated variable naming convention, e.g., "lower-hyphen". |
| 37 | */ |
| 38 | LOWER_HYPHEN(CharMatcher.is('-'), "-") { |
| 39 | @Override |
| 40 | String normalizeWord(String word) { |
| 41 | return Ascii.toLowerCase(word); |
| 42 | } |
| 43 | |
| 44 | @Override |
| 45 | String convert(CaseFormat format, String s) { |
| 46 | if (format == LOWER_UNDERSCORE) { |
| 47 | return s.replace('-', '_'); |
| 48 | } |
| 49 | if (format == UPPER_UNDERSCORE) { |
| 50 | return Ascii.toUpperCase(s.replace('-', '_')); |
| 51 | } |
| 52 | return super.convert(format, s); |
| 53 | } |
| 54 | }, |
| 55 | |
| 56 | /** |
| 57 | * C++ variable naming convention, e.g., "lower_underscore". |
| 58 | */ |
| 59 | LOWER_UNDERSCORE(CharMatcher.is('_'), "_") { |
| 60 | @Override |
| 61 | String normalizeWord(String word) { |
| 62 | return Ascii.toLowerCase(word); |
| 63 | } |
| 64 | |
| 65 | @Override |
| 66 | String convert(CaseFormat format, String s) { |
| 67 | if (format == LOWER_HYPHEN) { |
| 68 | return s.replace('_', '-'); |
| 69 | } |
| 70 | if (format == UPPER_UNDERSCORE) { |
| 71 | return Ascii.toUpperCase(s); |
| 72 | } |
| 73 | return super.convert(format, s); |
| 74 | } |
| 75 | }, |
| 76 | |
| 77 | /** |
| 78 | * Java variable naming convention, e.g., "lowerCamel". |
| 79 | */ |
| 80 | LOWER_CAMEL(CharMatcher.inRange('A', 'Z'), "") { |
| 81 | @Override |
| 82 | String normalizeWord(String word) { |
| 83 | return firstCharOnlyToUpper(word); |
| 84 | } |
| 85 | }, |
| 86 | |
| 87 | /** |
| 88 | * Java and C++ class naming convention, e.g., "UpperCamel". |
| 89 | */ |
| 90 | UPPER_CAMEL(CharMatcher.inRange('A', 'Z'), "") { |