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#!/usr/bin/env ruby
require 'json'
require 'optparse'
require 'pathname'
require 'json_schemer'
parser = OptionParser.new('Usage:', 32, ' ')
parser.separator(" #{parser.program_name} [options] <schema> <data>...")
parser.separator(" #{parser.program_name} [options] <schema> -")
parser.separator(" #{parser.program_name} [options] - <data>...")
parser.separator(" #{parser.program_name} -h | --help")
parser.separator(" #{parser.program_name} --version")
parser.separator('')
parser.separator('Options:')
parser.on('-e', '--errors MAX', Integer, 'Maximum number of errors to output', 'Use "0" to validate with no output')
parser.on_tail('-h', '--help', 'Show help')
parser.on_tail('-v', '--version', 'Show version')
options = {}
parser.parse!(:into => options)
if options[:help]
$stdout.puts(parser)
exit
end
if options[:version]
$stdout.puts("#{parser.program_name} #{JSONSchemer::VERSION}")
exit
end
if ARGV.size == 0
$stderr.puts("#{parser.program_name}: no schema or data")
exit(false)
end
if ARGV.size == 1
$stderr.puts("#{parser.program_name}: no data")
exit(false)
end
if ARGV.count('-') > 1
$stderr.puts("#{parser.program_name}: multiple stdin")
exit(false)
end
errors = 0
schema = ARGF.file.is_a?(File) ? Pathname.new(ARGF.file.path) : ARGF.file.read
schemer = JSONSchemer.schema(schema)
while ARGV.any?
data = JSON.parse(ARGF.skip.file.read)
schemer.validate(data).each do |error|
exit(false) if options[:errors] == 0
errors += 1
$stdout.puts(JSON.generate(error))
exit(false) if options[:errors] == errors
end
end
exit(errors.zero?)
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