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NOTE ========================= This is a patched version of the json_pure 1.1.3 gem to address issues with transforming Hashes and Arrays to JSON when they contain objects (classes) that have their own to_json methods. A typical error message is: lib/ruby/gems/1.8/gems/json_pure-1.1.3/lib/json/pure/generator.rb:251:in `to_json': wrong # of arguments(2 for 0) (ArgumentError) See the commit history for the minor code changes: http://github.com/idearise/json_pure-1.1.3-patches/commits/master More info at: http://blog.idearise.com/2008/09/12/ruby-and-jruby-json-time-with-json-json_pure-and-merb-datamapper-extlib/ Dependencies for Building ========================= - You need rake to build the extensions and install them. You can get it from rubyforge: http://rubyforge.org/projects/rake or just type # gem install rake for the installation via rubygems. - If you want to rebuild the parser.c file or draw nice graphviz images of the state machines, you need ragel from: http://www.cs.queensu.ca/~thurston/ragel Installation ============ It's recommended to use the extension variant of JSON, because it's quite a bit faster than the pure ruby variant. If you cannot build it on your system, you can settle for the latter. Just type into the command line as root: # rake install The above command will build the extensions and install them on your system. # rake install_pure or # ruby install.rb will just install the pure ruby implementation of JSON. If you use Rubygems you can type # gem install json instead, to install the newest JSON version. There is also a pure ruby json only variant of the gem, that can be installed with: # gem install json_pure Testing and Examples ==================== To run the tests type: $ rake test_ext This will build the extensions first and then test them. $ rake test_pure This will test the pure ruby extensions. There is also a small example in tools/server.rb if you want to see, how receiving a JSON object from a webrick server in your browser with the javasript prototype library (http://www.prototypejs.org) works. Author ====== Florian Frank <email@example.com> License ======= Ruby License, see the RUBY file included in the source distribution. The Ruby License includes the GNU General Public License (GPL), Version 2, so see the file GPL as well.