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Contents
require 'jsduck/util/singleton'
require 'jsduck/util/io'
require 'jsduck/logger'
require 'json'
module JsDuck
module Util
# Wrapper around the json gem for use in JsDuck.
#
# The main benefit of it is that we have a central place for
# controlling how the JSON is created (pretty-formatted or not).
class Json
include Util::Singleton
def initialize
@pretty = false
end
# Configures the pretty-formatting from command line options.
def configure(opts)
@pretty = true if opts.pretty_json
end
# Turns object into JSON, places it inside JavaScript that calls the
# given callback name, and writes the result to file.
def write_jsonp(filename, callback_name, data)
jsonp = "Ext.data.JsonP." + callback_name + "(" + generate(data) + ");"
File.open(filename, 'w') {|f| f.write(jsonp) }
end
# Turns object into JSON and writes inside a file
def write_json(filename, data)
File.open(filename, 'w') {|f| f.write(generate(data)) }
end
# Generates JSON from object
def generate(data)
@pretty ? JSON.pretty_generate(data) : JSON.generate(data)
end
# Reads and parses JSON from file
def read(filename)
begin
parse(Util::IO.read(filename))
rescue
Logger.fatal("#{filename} is not a valid JSON file")
exit(1)
end
end
# Parses JSON string
def parse(string, opts = {})
JSON.parse(string, opts)
end
end
end
end
Version data entries
16 entries across 16 versions & 3 rubygems