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# Copyright (c) 2015 Lamont Granquist
# Copyright (c) 2015 Chef Software, Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
module FFI_Yajl
class ParseError < StandardError; end
class Parser
attr_writer :stack, :key_stack
attr_accessor :key, :finished
attr_accessor :opts
#
# stack used to build up our complex object
#
def stack
@stack ||= []
end
#
# stack to keep track of keys as we create nested hashes
#
def key_stack
@key_stack ||= []
end
def self.parse(obj, *args)
new(*args).parse(obj)
end
def initialize(opts = {})
@opts = opts ? opts.dup : {}
# JSON gem uses 'symbolize_names' and ruby-yajl supports this as well
@opts[:symbolize_keys] = true if @opts[:symbolize_names]
end
def parse(str)
raise FFI_Yajl::ParseError, "input must be a string or IO" unless str.is_a?(String) || str.respond_to?(:read)
# initialization that we can do in pure ruby
yajl_opts = {}
if @opts[:check_utf8] == false && @opts[:dont_validate_strings] == false
raise ArgumentError, "options check_utf8 and dont_validate_strings are both false which conflict"
end
if @opts[:check_utf8] == true && @opts[:dont_validate_strings] == true
raise ArgumentError, "options check_utf8 and dont_validate_strings are both true which conflict"
end
yajl_opts[:yajl_allow_comments] = true
if @opts.key?(:allow_comments)
yajl_opts[:yajl_allow_comments] = @opts[:allow_comments]
end
yajl_opts[:yajl_dont_validate_strings] = (@opts[:check_utf8] == false || @opts[:dont_validate_strings])
yajl_opts[:yajl_allow_trailing_garbage] = @opts[:allow_trailing_garbage]
yajl_opts[:yajl_allow_multiple_values] = @opts[:allow_multiple_values]
yajl_opts[:yajl_allow_partial_values] = @opts[:allow_partial_values]
yajl_opts[:unique_key_checking] = @opts[:unique_key_checking]
# XXX: bug-compat with ruby-yajl
return nil if str == ""
str = str.read if str.respond_to?(:read)
# call either the ext or ffi hook
do_yajl_parse(str, yajl_opts)
end
end
end
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