diff options
Diffstat (limited to 'activesupport/lib/active_support/json/decoding.rb')
-rw-r--r-- | activesupport/lib/active_support/json/decoding.rb | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/activesupport/lib/active_support/json/decoding.rb b/activesupport/lib/active_support/json/decoding.rb deleted file mode 100644 index c66500aa9c..0000000000 --- a/activesupport/lib/active_support/json/decoding.rb +++ /dev/null @@ -1,84 +0,0 @@ -autoload :YAML, 'yaml' unless defined? YAML -autoload :StringScanner, 'strscan' unless defined? StringScanner - -require 'active_support/core_ext/string/starts_ends_with' - -module ActiveSupport - module JSON - class ParseError < StandardError - end - - class << self - # Converts a JSON string into a Ruby object. - def decode(json) - YAML.load(convert_json_to_yaml(json)) - rescue ArgumentError => e - raise ParseError, "Invalid JSON string" - end - - protected - # matches YAML-formatted dates - DATE_REGEX = /^(?:\d{4}-\d{2}-\d{2}|\d{4}-\d{1,2}-\d{1,2}[ \t]+\d{1,2}:\d{2}:\d{2}(\.[0-9]*)?(([ \t]*)Z|[-+]\d{2}?(:\d{2})?)?)$/ - - # Ensure that ":" and "," are always followed by a space - def convert_json_to_yaml(json) #:nodoc: - scanner, quoting, marks, pos, times = StringScanner.new(json), false, [], nil, [] - while scanner.scan_until(/(\\['"]|['":,\\]|\\.)/) - case char = scanner[1] - when '"', "'" - if !quoting - quoting = char - pos = scanner.pos - elsif quoting == char - if json[pos..scanner.pos-2] =~ DATE_REGEX - # found a date, track the exact positions of the quotes so we can remove them later. - # oh, and increment them for each current mark, each one is an extra padded space that bumps - # the position in the final YAML output - total_marks = marks.size - times << pos+total_marks << scanner.pos+total_marks - end - quoting = false - end - when ":","," - marks << scanner.pos - 1 unless quoting - end - end - - if marks.empty? - json.gsub(/\\([\\\/]|u[[:xdigit:]]{4})/) do - ustr = $1 - if ustr.start_with?('u') - [ustr[1..-1].to_i(16)].pack("U") - elsif ustr == '\\' - '\\\\' - else - ustr - end - end - else - left_pos = [-1].push(*marks) - right_pos = marks << scanner.pos + scanner.rest_size - output = [] - left_pos.each_with_index do |left, i| - scanner.pos = left.succ - output << scanner.peek(right_pos[i] - scanner.pos + 1).gsub(/\\([\\\/]|u[[:xdigit:]]{4})/) do - ustr = $1 - if ustr.start_with?('u') - [ustr[1..-1].to_i(16)].pack("U") - elsif ustr == '\\' - '\\\\' - else - ustr - end - end - end - output = output * " " - - times.each { |i| output[i-1] = ' ' } - output.gsub!(/\\\//, '/') - output - end - end - end - end -end |