| module SafeYAML |
| class Transform |
| class ToInteger |
| MATCHERS = Deep.freeze([ |
| /\A[-+]?(0|([1-9][0-9_,]*))\Z/, # decimal |
| /\A0[0-7]+\Z/, # octal |
| /\A0x[0-9a-f]+\Z/i, # hexadecimal |
| /\A0b[01_]+\Z/ # binary |
| ]) |
| |
| def transform?(value) |
| MATCHERS.each_with_index do |matcher, idx| |
| value = value.gsub(/[_,]/, "") if idx == 0 |
| return true, Integer(value) if matcher.match(value) |
| end |
| try_edge_cases?(value) |
| end |
| |
| def try_edge_cases?(value) |
| return true, Parse::Hexadecimal.value(value) if Parse::Hexadecimal::MATCHER.match(value) |
| return true, Parse::Sexagesimal.value(value) if Parse::Sexagesimal::INTEGER_MATCHER.match(value) |
| return false |
| end |
| end |
| end |
| end |