diff options
Diffstat (limited to 'ext/psych/lib/psych/scalar_scanner.rb')
| -rw-r--r-- | ext/psych/lib/psych/scalar_scanner.rb | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/ext/psych/lib/psych/scalar_scanner.rb b/ext/psych/lib/psych/scalar_scanner.rb index 604cb3e399..58deea3baa 100644 --- a/ext/psych/lib/psych/scalar_scanner.rb +++ b/ext/psych/lib/psych/scalar_scanner.rb @@ -12,24 +12,32 @@ module Psych FLOAT = /^(?:[-+]?([0-9][0-9_,]*)?\.[0-9]*([eE][-+][0-9]+)?(?# base 10))$/x # Taken from http://yaml.org/type/int.html - INTEGER = /^(?:[-+]?0b[0-1_,]+ (?# base 2) - |[-+]?0[0-7_,]+ (?# base 8) - |[-+]?(?:0|[1-9](?:[0-9]|,[0-9]|_[0-9])*) (?# base 10) - |[-+]?0x[0-9a-fA-F_,]+ (?# base 16))$/x + INTEGER_STRICT = /^(?:[-+]?0b[0-1_]+ (?# base 2) + |[-+]?0[0-7_]+ (?# base 8) + |[-+]?(0|[1-9][0-9_]*) (?# base 10) + |[-+]?0x[0-9a-fA-F_]+ (?# base 16))$/x + + # Same as above, but allows commas. + # Not to YML spec, but kept for backwards compatibility + INTEGER_LEGACY = /^(?:[-+]?0b[0-1_,]+ (?# base 2) + |[-+]?0[0-7_,]+ (?# base 8) + |[-+]?(?:0|[1-9](?:[0-9]|,[0-9]|_[0-9])*) (?# base 10) + |[-+]?0x[0-9a-fA-F_,]+ (?# base 16))$/x attr_reader :class_loader # Create a new scanner - def initialize class_loader + def initialize class_loader, strict_integer: false @symbol_cache = {} @class_loader = class_loader + @strict_integer = strict_integer end # Tokenize +string+ returning the Ruby object def tokenize string return nil if string.empty? return @symbol_cache[string] if @symbol_cache.key?(string) - + integer_regex = @strict_integer ? INTEGER_STRICT : INTEGER_LEGACY # Check for a String type, being careful not to get caught by hash keys, hex values, and # special floats (e.g., -.inf). if string.match?(%r{^[^\d.:-]?[[:alpha:]_\s!@#$%\^&*(){}<>|/\\~;=]+}) || string.match?(/\n/) @@ -89,7 +97,7 @@ module Psych else Float(string.gsub(/[,_]|\.([Ee]|$)/, '\1')) end - elsif string.match?(INTEGER) + elsif string.match?(integer_regex) parse_int string else string |