diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/json/pure/parser.rb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/json/pure/parser.rb b/lib/json/pure/parser.rb index 6f37e0c..d795a3b 100644 --- a/lib/json/pure/parser.rb +++ b/lib/json/pure/parser.rb @@ -61,6 +61,8 @@ module JSON # * *allow_nan*: If set to true, allow NaN, Infinity and -Infinity in # defiance of RFC 7159 to be parsed by the Parser. This option defaults # to false. + # * *freeze*: If set to true, all parsed objects will be frozen. Parsed + # string will be deduplicated if possible. # * *symbolize_names*: If set to true, returns symbols for the names # (keys) in a JSON object. Otherwise strings are returned, which is # also the default. It's not possible to use this option in @@ -86,6 +88,7 @@ module JSON end @allow_nan = !!opts[:allow_nan] @symbolize_names = !!opts[:symbolize_names] + @freeze = !!opts[:freeze] if opts.key?(:create_additions) @create_additions = !!opts[:create_additions] else @@ -120,6 +123,7 @@ module JSON obj = parse_value UNPARSED.equal?(obj) and raise ParserError, "source is not valid JSON!" + obj.freeze if @freeze end while !eos? && skip(IGNORE) do end eos? or raise ParserError, "source is not valid JSON!" @@ -161,6 +165,7 @@ module JSON EMPTY_8BIT_STRING.force_encoding Encoding::ASCII_8BIT end + STR_UMINUS = ''.respond_to?(:-@) def parse_string if scan(STRING) return '' if self[1].empty? @@ -180,6 +185,15 @@ module JSON if string.respond_to?(:force_encoding) string.force_encoding(::Encoding::UTF_8) end + + if @freeze + if STR_UMINUS + string = -string + else + string.freeze + end + end + if @create_additions and @match_string for (regexp, klass) in @match_string klass.json_creatable? or next |