2010-09-20 19:11:31 -07:00
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%% The MIT License
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%% Copyright (c) 2010 Alisdair Sullivan <alisdairsullivan@yahoo.ca>
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%% Permission is hereby granted, free of charge, to any person obtaining a copy
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%% of this software and associated documentation files (the "Software"), to deal
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%% in the Software without restriction, including without limitation the rights
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%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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%% copies of the Software, and to permit persons to whom the Software is
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%% furnished to do so, subject to the following conditions:
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%% The above copyright notice and this permission notice shall be included in
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%% all copies or substantial portions of the Software.
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%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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%% THE SOFTWARE.
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2011-03-22 18:53:02 -07:00
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-module(jsx_utils).
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2010-09-20 19:11:31 -07:00
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2012-03-02 22:53:23 -08:00
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-export([parse_opts/1]).
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2012-03-04 18:40:00 -08:00
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-export([extract_opts/1]).
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2012-03-31 01:24:06 -07:00
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-export([json_escape/2, json_escape_sequence/1]).
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2011-09-14 06:44:52 -07:00
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2012-03-06 19:59:49 -08:00
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-include("jsx_opts.hrl").
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2010-09-20 19:11:31 -07:00
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2010-09-22 23:22:55 -07:00
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2011-10-19 06:51:36 -07:00
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%% parsing of jsx opts
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parse_opts(Opts) ->
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parse_opts(Opts, #opts{}).
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parse_opts([], Opts) ->
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Opts;
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parse_opts([loose_unicode|Rest], Opts) ->
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parse_opts(Rest, Opts#opts{loose_unicode=true});
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parse_opts([escape_forward_slash|Rest], Opts) ->
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parse_opts(Rest, Opts#opts{escape_forward_slash=true});
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2011-10-21 18:16:16 -07:00
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parse_opts([explicit_end|Rest], Opts) ->
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parse_opts(Rest, Opts#opts{explicit_end=true});
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2012-03-14 23:01:59 -07:00
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parse_opts([single_quotes|Rest], Opts) ->
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parse_opts(Rest, Opts#opts{single_quotes=true});
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2012-03-15 23:06:19 -07:00
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parse_opts([no_jsonp_escapes|Rest], Opts) ->
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parse_opts(Rest, Opts#opts{no_jsonp_escapes=true});
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2012-03-19 14:34:07 -07:00
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parse_opts([comments|Rest], Opts) ->
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parse_opts(Rest, Opts#opts{comments=true});
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2012-03-24 19:42:00 -07:00
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parse_opts([json_escape|Rest], Opts) ->
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parse_opts(Rest, Opts#opts{json_escape=true});
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2012-03-29 00:01:50 -07:00
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parse_opts([dirty_strings|Rest], Opts) ->
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2012-03-29 00:24:31 -07:00
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parse_opts(Rest, Opts#opts{dirty_strings=true});
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2012-03-29 00:18:53 -07:00
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parse_opts([ignore_bad_escapes|Rest], Opts) ->
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parse_opts(Rest, Opts#opts{ignore_bad_escapes=true});
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2012-03-29 00:24:31 -07:00
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parse_opts([relax|Rest], Opts) ->
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parse_opts(Rest, Opts#opts{
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loose_unicode = true,
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single_quotes = true,
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comments = true,
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ignore_bad_escapes = true
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});
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2011-10-19 06:51:36 -07:00
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parse_opts(_, _) ->
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{error, badarg}.
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2012-03-15 23:06:19 -07:00
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valid_flags() ->
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[
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loose_unicode,
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escape_forward_slash,
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explicit_end,
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single_quotes,
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2012-03-19 14:34:07 -07:00
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no_jsonp_escapes,
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2012-03-24 19:42:00 -07:00
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comments,
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2012-03-29 00:01:50 -07:00
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json_escape,
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2012-03-29 00:18:53 -07:00
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dirty_strings,
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2012-03-29 00:24:31 -07:00
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ignore_bad_escapes,
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relax
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2012-03-15 23:06:19 -07:00
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].
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2012-03-04 18:40:00 -08:00
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extract_opts(Opts) ->
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extract_parser_opts(Opts, []).
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extract_parser_opts([], Acc) -> Acc;
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extract_parser_opts([{K,V}|Rest], Acc) ->
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2012-03-15 23:06:19 -07:00
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case lists:member(K, valid_flags()) of
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2012-03-04 18:40:00 -08:00
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true -> extract_parser_opts(Rest, [{K,V}] ++ Acc)
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; false -> extract_parser_opts(Rest, Acc)
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end;
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extract_parser_opts([K|Rest], Acc) ->
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2012-03-15 23:06:19 -07:00
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case lists:member(K, valid_flags()) of
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2012-03-04 18:40:00 -08:00
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true -> extract_parser_opts(Rest, [K] ++ Acc)
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; false -> extract_parser_opts(Rest, Acc)
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end.
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2011-09-14 06:44:52 -07:00
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%% json string escaping, for utf8 binaries. escape the json control sequences to
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%% their json equivalent, escape other control characters to \uXXXX sequences,
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%% everything else should be a legal json string component
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2011-10-19 06:51:36 -07:00
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2011-09-14 06:44:52 -07:00
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json_escape(String, Opts) when is_binary(String) ->
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2012-03-29 00:01:50 -07:00
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case Opts#opts.dirty_strings of
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true -> String
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; false -> json_escape(String, Opts, 0, size(String))
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end.
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2012-03-23 22:45:46 -07:00
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2012-03-26 19:28:53 -07:00
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-define(control_character(X),
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<<H:L/binary, X, T/binary>> ->
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json_escape(
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<<H/binary, (unicode:characters_to_binary(json_escape_sequence(X)))/binary, T/binary>>,
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Opts,
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L + 6,
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Len + 5
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)
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).
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2012-03-23 22:45:46 -07:00
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json_escape(Str, Opts, L, Len) when L < Len ->
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case Str of
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2012-03-26 19:28:53 -07:00
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?control_character(0);
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?control_character(1);
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?control_character(2);
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?control_character(3);
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?control_character(4);
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?control_character(5);
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?control_character(6);
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?control_character(7);
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<<H:L/binary, $\b, T/binary>> -> json_escape(<<H/binary, $\\, $b, T/binary>>, Opts, L + 2, Len + 1);
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<<H:L/binary, $\t, T/binary>> -> json_escape(<<H/binary, $\\, $t, T/binary>>, Opts, L + 2, Len + 1);
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<<H:L/binary, $\n, T/binary>> -> json_escape(<<H/binary, $\\, $n, T/binary>>, Opts, L + 2, Len + 1);
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?control_character(11);
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<<H:L/binary, $\f, T/binary>> -> json_escape(<<H/binary, $\\, $f, T/binary>>, Opts, L + 2, Len + 1);
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<<H:L/binary, $\r, T/binary>> -> json_escape(<<H/binary, $\\, $r, T/binary>>, Opts, L + 2, Len + 1);
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?control_character(14);
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?control_character(15);
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?control_character(16);
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?control_character(17);
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?control_character(18);
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?control_character(19);
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?control_character(20);
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?control_character(21);
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?control_character(22);
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?control_character(23);
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?control_character(24);
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?control_character(25);
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?control_character(26);
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?control_character(27);
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?control_character(28);
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?control_character(29);
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?control_character(30);
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?control_character(31);
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<<_:L/binary, 32, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 33, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<H:L/binary, $\", T/binary>> -> json_escape(<<H/binary, $\\, $", T/binary>>, Opts, L + 2, Len + 1);
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<<_:L/binary, 35, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 36, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 37, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 38, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 39, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 40, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 41, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 42, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 43, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 44, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 45, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 46, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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2012-03-23 22:45:46 -07:00
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<<H:L/binary, $/, T/binary>> ->
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case Opts#opts.escape_forward_slash of
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true ->
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json_escape(<<H/binary, $\\, $/, T/binary>>, Opts, L + 2, Len + 1);
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false ->
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json_escape(<<H/binary, $/, T/binary>>, Opts, L + 1, Len)
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end;
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2012-03-26 19:28:53 -07:00
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<<_:L/binary, 48, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 49, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 50, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 51, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 52, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 53, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 54, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 55, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 56, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 57, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 58, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 59, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 60, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 61, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 62, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 63, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 64, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 65, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 66, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 67, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 68, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 69, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 70, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 71, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 72, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 73, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 74, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 75, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 76, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 77, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 78, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 79, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 80, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 81, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 82, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 83, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 84, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 85, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 86, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 87, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 88, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 89, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 90, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 91, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<H:L/binary, $\\, T/binary>> -> json_escape(<<H/binary, $\\, $\\, T/binary>>, Opts, L + 2, Len + 1);
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<<_:L/binary, 93, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 94, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 95, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 96, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 97, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 98, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 99, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 100, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 101, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 102, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 103, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 104, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 105, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 106, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 107, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 108, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 109, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 110, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 111, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 112, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 113, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 114, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 115, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 116, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 117, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 118, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 119, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
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<<_:L/binary, 120, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
|
|
|
|
<<_:L/binary, 121, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
|
|
|
|
<<_:L/binary, 122, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
|
|
|
|
<<_:L/binary, 123, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
|
|
|
|
<<_:L/binary, 124, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
|
|
|
|
<<_:L/binary, 125, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
|
|
|
|
<<_:L/binary, 126, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
|
|
|
|
<<_:L/binary, 127, _/binary>> -> json_escape(Str, Opts, L + 1, Len);
|
2012-03-23 22:45:46 -07:00
|
|
|
<<H:L/binary, 16#2028/utf8, T/binary>> ->
|
|
|
|
case Opts#opts.no_jsonp_escapes of
|
|
|
|
true ->
|
|
|
|
json_escape(<<H/binary, 16#2028/utf8, T/binary>>, Opts, L + 3, Len);
|
|
|
|
false ->
|
|
|
|
B = unicode:characters_to_binary(json_escape_sequence(16#2028)),
|
2012-03-28 21:23:35 -07:00
|
|
|
json_escape(<<H/binary, B/binary, T/binary>>, Opts, L + 6, Len + 3)
|
2012-03-23 22:45:46 -07:00
|
|
|
end;
|
|
|
|
<<H:L/binary, 16#2029/utf8, T/binary>> ->
|
|
|
|
case Opts#opts.no_jsonp_escapes of
|
|
|
|
true ->
|
|
|
|
json_escape(<<H/binary, 16#2029/utf8, T/binary>>, Opts, L + 3, Len);
|
|
|
|
false ->
|
|
|
|
B = unicode:characters_to_binary(json_escape_sequence(16#2029)),
|
2012-03-28 21:23:35 -07:00
|
|
|
json_escape(<<H/binary, B/binary, T/binary>>, Opts, L + 6, Len + 3)
|
2012-03-23 22:45:46 -07:00
|
|
|
end;
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X < 16#0080 ->
|
|
|
|
json_escape(Str, Opts, L + 1, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X < 16#0800 ->
|
|
|
|
json_escape(Str, Opts, L + 2, Len);
|
2012-03-28 21:23:35 -07:00
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X < 16#dcff ->
|
2012-03-23 22:45:46 -07:00
|
|
|
json_escape(Str, Opts, L + 3, Len);
|
2012-03-28 21:23:35 -07:00
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X > 16#dfff, X < 16#fdd0 ->
|
|
|
|
json_escape(Str, Opts, L + 3, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X > 16#fdef, X < 16#fffe ->
|
|
|
|
json_escape(Str, Opts, L + 3, Len);
|
2012-03-29 21:43:55 -07:00
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#10000, X < 16#1fffe ->
|
2012-03-23 22:45:46 -07:00
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
2012-03-29 21:43:55 -07:00
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#20000, X < 16#2fffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#30000, X < 16#3fffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#40000, X < 16#4fffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#50000, X < 16#5fffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#60000, X < 16#6fffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#70000, X < 16#7fffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#80000, X < 16#8fffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#90000, X < 16#9fffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#a0000, X < 16#afffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#b0000, X < 16#bfffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#c0000, X < 16#cfffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#d0000, X < 16#dfffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#e0000, X < 16#efffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#f0000, X < 16#ffffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
<<_:L/binary, X/utf8, _/binary>> when X >= 16#100000, X < 16#10fffe ->
|
|
|
|
json_escape(Str, Opts, L + 4, Len);
|
|
|
|
_ -> erlang:error(badarg, [Str, Opts])
|
2012-03-23 22:45:46 -07:00
|
|
|
end;
|
|
|
|
json_escape(Str, _, L, Len) when L =:= Len ->
|
|
|
|
Str.
|
2011-09-14 06:44:52 -07:00
|
|
|
|
|
|
|
|
|
|
|
%% convert a codepoint to it's \uXXXX equiv.
|
|
|
|
json_escape_sequence(X) ->
|
|
|
|
<<A:4, B:4, C:4, D:4>> = <<X:16>>,
|
2012-03-31 01:24:06 -07:00
|
|
|
[$\\, $u, (to_hex(A)), (to_hex(B)), (to_hex(C)), (to_hex(D))].
|
2011-09-14 06:44:52 -07:00
|
|
|
|
|
|
|
|
|
|
|
to_hex(10) -> $a;
|
|
|
|
to_hex(11) -> $b;
|
|
|
|
to_hex(12) -> $c;
|
|
|
|
to_hex(13) -> $d;
|
|
|
|
to_hex(14) -> $e;
|
|
|
|
to_hex(15) -> $f;
|
|
|
|
to_hex(X) -> X + 48. %% ascii "1" is [49], "2" is [50], etc...
|
2010-09-20 19:11:31 -07:00
|
|
|
|
|
|
|
|
|
|
|
%% eunit tests
|
|
|
|
-ifdef(TEST).
|
2011-08-10 01:44:38 -07:00
|
|
|
-include_lib("eunit/include/eunit.hrl").
|
2010-09-20 19:11:31 -07:00
|
|
|
|
2011-09-14 06:44:52 -07:00
|
|
|
|
|
|
|
binary_escape_test_() ->
|
|
|
|
[
|
|
|
|
{"json string escaping",
|
2012-03-15 23:06:19 -07:00
|
|
|
?_assertEqual(
|
|
|
|
json_escape(<<"\"\\\b\f\n\r\t">>, #opts{}),
|
|
|
|
<<"\\\"\\\\\\b\\f\\n\\r\\t">>
|
2011-09-14 06:44:52 -07:00
|
|
|
)
|
|
|
|
},
|
|
|
|
{"json string hex escape",
|
2012-03-15 23:06:19 -07:00
|
|
|
?_assertEqual(
|
2012-03-23 22:45:46 -07:00
|
|
|
json_escape(<<0, 1, 2, 3, 11, 26, 30, 31>>, #opts{}),
|
|
|
|
<<"\\u0000\\u0001\\u0002\\u0003\\u000b\\u001a\\u001e\\u001f">>
|
2011-09-14 06:44:52 -07:00
|
|
|
)
|
|
|
|
},
|
|
|
|
{"jsonp protection",
|
2012-03-15 23:06:19 -07:00
|
|
|
?_assertEqual(
|
|
|
|
json_escape(<<226, 128, 168, 226, 128, 169>>, #opts{}),
|
|
|
|
<<"\\u2028\\u2029">>
|
|
|
|
)
|
|
|
|
},
|
|
|
|
{"no jsonp escapes",
|
|
|
|
?_assertEqual(
|
|
|
|
json_escape(<<226, 128, 168, 226, 128, 169>>, #opts{no_jsonp_escapes=true}),
|
|
|
|
<<226, 128, 168, 226, 128, 169>>
|
2011-09-14 06:44:52 -07:00
|
|
|
)
|
|
|
|
},
|
|
|
|
{"microsoft i hate your date format",
|
2012-03-15 23:06:19 -07:00
|
|
|
?_assertEqual(
|
|
|
|
json_escape(<<"/Date(1303502009425)/">>, #opts{escape_forward_slash=true}),
|
|
|
|
<<"\\/Date(1303502009425)\\/">>
|
2011-09-14 06:44:52 -07:00
|
|
|
)
|
2012-03-23 22:45:46 -07:00
|
|
|
},
|
2012-03-29 00:01:50 -07:00
|
|
|
{"dirty strings",
|
2012-03-23 22:45:46 -07:00
|
|
|
?_assertEqual(
|
2012-03-29 00:01:50 -07:00
|
|
|
json_escape(<<"\\x25\\uffff">>, #opts{dirty_strings=true}),
|
|
|
|
<<"\\x25\\uffff">>
|
2012-03-23 22:45:46 -07:00
|
|
|
)
|
2011-09-14 06:44:52 -07:00
|
|
|
}
|
|
|
|
].
|
|
|
|
|
2012-03-28 23:46:06 -07:00
|
|
|
|
2012-03-29 06:03:14 -07:00
|
|
|
opts_test_() ->
|
|
|
|
[
|
|
|
|
{"all flags",
|
|
|
|
?_assertEqual(
|
|
|
|
parse_opts([
|
|
|
|
loose_unicode,
|
|
|
|
escape_forward_slash,
|
|
|
|
explicit_end,
|
|
|
|
single_quotes,
|
|
|
|
no_jsonp_escapes,
|
|
|
|
comments,
|
|
|
|
dirty_strings,
|
|
|
|
ignore_bad_escapes
|
|
|
|
]),
|
|
|
|
#opts{
|
|
|
|
loose_unicode=true,
|
|
|
|
escape_forward_slash=true,
|
|
|
|
explicit_end=true,
|
|
|
|
single_quotes=true,
|
|
|
|
no_jsonp_escapes=true,
|
|
|
|
comments=true,
|
|
|
|
dirty_strings=true,
|
|
|
|
ignore_bad_escapes=true
|
|
|
|
}
|
|
|
|
)
|
|
|
|
},
|
|
|
|
{"relax flag",
|
|
|
|
?_assertEqual(
|
|
|
|
parse_opts([relax]),
|
|
|
|
#opts{
|
|
|
|
loose_unicode=true,
|
|
|
|
single_quotes=true,
|
|
|
|
comments=true,
|
|
|
|
ignore_bad_escapes=true
|
|
|
|
}
|
|
|
|
)
|
|
|
|
}
|
|
|
|
].
|
|
|
|
|
|
|
|
|
2010-09-20 19:11:31 -07:00
|
|
|
-endif.
|