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Contents
module CodeRay
module Encoders
# A simple JSON Encoder.
#
# Example:
# CodeRay.scan('puts "Hello world!"', :ruby).json
# yields
# [
# {"type"=>"text", "text"=>"puts", "kind"=>"ident"},
# {"type"=>"text", "text"=>" ", "kind"=>"space"},
# {"type"=>"block", "action"=>"open", "kind"=>"string"},
# {"type"=>"text", "text"=>"\"", "kind"=>"delimiter"},
# {"type"=>"text", "text"=>"Hello world!", "kind"=>"content"},
# {"type"=>"text", "text"=>"\"", "kind"=>"delimiter"},
# {"type"=>"block", "action"=>"close", "kind"=>"string"},
# ]
class JSON < Encoder
begin
require 'json'
rescue LoadError
begin
require 'rubygems' unless defined? Gem
gem 'json'
require 'json'
rescue LoadError
$stderr.puts "The JSON encoder needs the JSON library.\n" \
"Please gem install json."
raise
end
end
register_for :json
FILE_EXTENSION = 'json'
protected
def setup options
super
@first = true
@out << '['
end
def finish options
@out << ']'
end
def append data
if @first
@first = false
else
@out << ','
end
@out << data.to_json
end
public
def text_token text, kind
append :type => 'text', :text => text, :kind => kind
end
def begin_group kind
append :type => 'block', :action => 'open', :kind => kind
end
def end_group kind
append :type => 'block', :action => 'close', :kind => kind
end
def begin_line kind
append :type => 'block', :action => 'begin_line', :kind => kind
end
def end_line kind
append :type => 'block', :action => 'end_line', :kind => kind
end
end
end
end
Version data entries
6,657 entries across 6,645 versions & 72 rubygems