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-rw-r--r--ext/psych/lib/psych/scalar_scanner.rb28
1 files changed, 18 insertions, 10 deletions
diff --git a/ext/psych/lib/psych/scalar_scanner.rb b/ext/psych/lib/psych/scalar_scanner.rb
index 604cb3e399..3cb4bf3c7e 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!@#$%\^&*(){}<>|/\\~;=]+}) || string.match?(/\n/)
@@ -55,7 +63,7 @@ module Psych
elsif string.match?(/^\d{4}-(?:1[012]|0\d|\d)-(?:[12]\d|3[01]|0\d|\d)$/)
require 'date'
begin
- class_loader.date.strptime(string, '%Y-%m-%d')
+ class_loader.date.strptime(string, '%F', Date::GREGORIAN)
rescue ArgumentError
string
end
@@ -87,9 +95,9 @@ module Psych
if string.match?(/\A[-+]?\.\Z/)
string
else
- Float(string.gsub(/[,_]|\.([Ee]|$)/, '\1'))
+ Float(string.delete(',_').gsub(/\.([Ee]|$)/, '\1'))
end
- elsif string.match?(INTEGER)
+ elsif string.match?(integer_regex)
parse_int string
else
string
@@ -99,7 +107,7 @@ module Psych
###
# Parse and return an int from +string+
def parse_int string
- Integer(string.gsub(/[,_]/, ''))
+ Integer(string.delete(',_'))
end
###