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author | Josh Kalderimis <josh.kalderimis@gmail.com> | 2011-04-18 21:39:15 +0200 |
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committer | Josh Kalderimis <josh.kalderimis@gmail.com> | 2011-04-18 21:39:15 +0200 |
commit | e019587e31abe66416c0b5d26b6ac177b345a727 (patch) | |
tree | 00b18ceb7f6852ca8a2e76885eb3757f65910917 /activesupport/lib/active_support/json/backends/yaml.rb | |
parent | 3e335923161b4074cb048b2a828b0588fcf98b16 (diff) | |
download | rails-e019587e31abe66416c0b5d26b6ac177b345a727.tar.gz rails-e019587e31abe66416c0b5d26b6ac177b345a727.tar.bz2 rails-e019587e31abe66416c0b5d26b6ac177b345a727.zip |
removed AS backends and instead rely on MultiJson for json decoding
Diffstat (limited to 'activesupport/lib/active_support/json/backends/yaml.rb')
-rw-r--r-- | activesupport/lib/active_support/json/backends/yaml.rb | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/activesupport/lib/active_support/json/backends/yaml.rb b/activesupport/lib/active_support/json/backends/yaml.rb deleted file mode 100644 index e25e29d36b..0000000000 --- a/activesupport/lib/active_support/json/backends/yaml.rb +++ /dev/null @@ -1,113 +0,0 @@ -require 'active_support/core_ext/string/starts_ends_with' - -module ActiveSupport - module JSON - module Backends - module Yaml - ParseError = ::StandardError - extend self - - EXCEPTIONS = [::ArgumentError] # :nodoc: - begin - require 'psych' - EXCEPTIONS << Psych::SyntaxError - rescue LoadError - end - - # Parses a JSON string or IO and converts it into an object - def decode(json) - if json.respond_to?(:read) - json = json.read - end - YAML.load(convert_json_to_yaml(json)) - rescue *EXCEPTIONS => e - raise ParseError, "Invalid JSON string: '%s'" % json - end - - protected - # Ensure that ":" and "," are always followed by a space - def convert_json_to_yaml(json) #:nodoc: - require 'strscan' unless defined? ::StringScanner - 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 valid_date?(json[pos..scanner.pos-2]) - # found a date, track the exact positions of the quotes so we can - # overwrite them with spaces later. - times << pos - end - quoting = false - end - when ":",",", "]" - marks << scanner.pos - 1 unless quoting - when "\\" - scanner.skip(/\\/) - end - end - - if marks.empty? - json.gsub(/\\([\\\/]|u[[:xdigit:]]{4})/) do - ustr = $1 - if ustr.start_with?('u') - char = [ustr[1..-1].to_i(16)].pack("U") - # "\n" needs extra escaping due to yaml formatting - char == "\n" ? "\\n" : char - 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 - chunk = scanner.peek(right_pos[i] - scanner.pos + 1) - if ActiveSupport.parse_json_times - # overwrite the quotes found around the dates with spaces - while times.size > 0 && times[0] <= right_pos[i] - chunk.insert(times.shift - scanner.pos - 1, '! ') - end - end - chunk.gsub!(/\\([\\\/]|u[[:xdigit:]]{4})/) do - ustr = $1 - if ustr.start_with?('u') - char = [ustr[1..-1].to_i(16)].pack("U") - # "\n" needs extra escaping due to yaml formatting - char == "\n" ? "\\n" : char - elsif ustr == '\\' - '\\\\' - else - ustr - end - end - output << chunk - end - output = output * " " - - output.gsub!(/\\\//, '/') - output - end - end - - private - def valid_date?(date_string) - begin - date_string =~ DATE_REGEX && DateTime.parse(date_string) - rescue ArgumentError - false - end - end - - end - end - end -end - |