Utility class for converting between various ASCII case formats. Behavior is undefined for non-ASCII input. @author Mike Bostock @since 1.0
| 30 | |
| 31 | |
| 32 | @GwtCompatible |
| 33 | public enum CaseFormat { |
| 34 | /** |
| 35 | * Hyphenated variable naming convention, e.g., "lower-hyphen". |
| 36 | */ |
| 37 | LOWER_HYPHEN(CharMatcher.is('-'), "-") { |
| 38 | @Override |
| 39 | String normalizeWord(String word) { |
| 40 | return Ascii.toLowerCase(word); |
| 41 | } |
| 42 | |
| 43 | @Override |
| 44 | String convert(CaseFormat format, String s) { |
| 45 | if (format == LOWER_UNDERSCORE) { |
| 46 | return s.replace('-', '_'); |
| 47 | } |
| 48 | if (format == UPPER_UNDERSCORE) { |
| 49 | return Ascii.toUpperCase(s.replace('-', '_')); |
| 50 | } |
| 51 | return super.convert(format, s); |
| 52 | } |
| 53 | }, |
| 54 | |
| 55 | /** |
| 56 | * C++ variable naming convention, e.g., "lower_underscore". |
| 57 | */ |
| 58 | LOWER_UNDERSCORE(CharMatcher.is('_'), "_") { |
| 59 | @Override |
| 60 | String normalizeWord(String word) { |
| 61 | return Ascii.toLowerCase(word); |
| 62 | } |
| 63 | |
| 64 | @Override |
| 65 | String convert(CaseFormat format, String s) { |
| 66 | if (format == LOWER_HYPHEN) { |
| 67 | return s.replace('_', '-'); |
| 68 | } |
| 69 | if (format == UPPER_UNDERSCORE) { |
| 70 | return Ascii.toUpperCase(s); |
| 71 | } |
| 72 | return super.convert(format, s); |
| 73 | } |
| 74 | }, |
| 75 | |
| 76 | /** |
| 77 | * Java variable naming convention, e.g., "lowerCamel". |
| 78 | */ |
| 79 | LOWER_CAMEL(CharMatcher.inRange('A', 'Z'), "") { |
| 80 | @Override |
| 81 | String normalizeWord(String word) { |
| 82 | return firstCharOnlyToUpper(word); |
| 83 | } |
| 84 | }, |
| 85 | |
| 86 | /** |
| 87 | * Java and C++ class naming convention, e.g., "UpperCamel". |
| 88 | */ |
| 89 | UPPER_CAMEL(CharMatcher.inRange('A', 'Z'), "") { |