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Contents
#!/usr/bin/ruby
# encoding: UTF-8
# --
# Copyright (C) 2008-2010 10gen Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ++
require 'rubygems'
require 'bson'
# We don't use YAJL because we need to specify the class
# to store the JSON object in. BSON is ordered so we need BSON::OrderedHash
#
# We use json/pure because json/ext is broken with BSON::OrderedHash
# (probably for the same reasons that we can't use YAJL).
#
# Note that, at the moment, this will not properly round-trip
# in all cases from the output generated by b2json.
begin
require 'json/pure' # broken with 'json/ext'
rescue LoadError
puts "This script requires json/pure. Please install one of the following:"
puts " gem install json_pure"
puts " gem install json"
Process.exit
end
# Convert all JSON objects in an IO into BSON.
def print_j2bson(io)
io.each_line do |line|
jsonobj = JSON.parse(line, { :object_class => BSON::OrderedHash } )
bsonobj = BSON.serialize(jsonobj)
STDOUT << bsonobj.to_s
end
end
# print usage
def usage()
STDERR << <<END_OF_USAGE
usage: j2bson [-h] [file1 [file2]]
Converts a JSON file to BSON on STDOUT.
You can pass multiple filenames.
If no filenames are passed, then STDIN is consumed.
END_OF_USAGE
exit
end
# no arg, use STDIN
# -h, print usage and exit
# otherwise loop of filenames
if ARGV.empty? then
print_j2bson(STDIN)
exit
elsif ARGV[0] == "-h" then
usage()
else
ARGV.each { |fname| print_j2bson(File.new(fname)) }
end
Version data entries
148 entries across 102 versions & 4 rubygems