From 1dad27d1f0fe138429d14500468cdcce6756bcde Mon Sep 17 00:00:00 2001
From: alisdair sullivan <alisdairsullivan@yahoo.ca>
Date: Tue, 8 Jun 2010 20:21:59 -0700
Subject: [PATCH] removed dummy file

---
 src/jsx_utf8.erl | 764 -----------------------------------------------
 1 file changed, 764 deletions(-)
 delete mode 100644 src/jsx_utf8.erl

diff --git a/src/jsx_utf8.erl b/src/jsx_utf8.erl
deleted file mode 100644
index a58042e..0000000
--- a/src/jsx_utf8.erl
+++ /dev/null
@@ -1,764 +0,0 @@
-%% The MIT License
-
-%% Copyright (c) 2010 Alisdair Sullivan <alisdairsullivan@yahoo.ca>
-
-%% 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.
-
-
-%% this is a template for the utf8, utf16, utf16le, utf32 and utf32le decoders. it should
-%%   not be compiled directly, see the build script in /priv for details
-
--module(jsx_utf8).
--author("alisdairsullivan@yahoo.ca").
-
--define(utf8, true).
--include("jsx_decoder.hrl").
-
--export([start/4]).
-
-
-%% callbacks to our handler are roughly equivalent to a fold over the events, incremental
-%%   rather than all at once.    
-
-fold(end_of_json, {F, State}) ->
-    F(end_of_json, State);
-fold(Event, {F, State}) when is_function(F) ->
-    {F, F(Event, State)}.
-
-
-%% this code is mostly autogenerated and mostly ugly. apologies. for more insight on
-%%   Callbacks or Opts, see the comments accompanying decoder/2 (in jsx.erl). Stack 
-%%   is a stack of flags used to track depth and to keep track of whether we are 
-%%   returning from a value or a key inside objects. all pops, peeks and pushes are 
-%%   inlined. the code that handles naked values and comments is not optimized by the 
-%%   compiler for efficient matching, but you shouldn't be using naked values or comments 
-%%   anyways, they are horrible and contrary to the spec.
-
-start(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts) when ?is_whitespace(S) -> 
-    start(Rest, Stack, Callbacks, Opts);
-start(<<?start_object/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    object(Rest, [key|Stack], fold(start_object, Callbacks), Opts);
-start(<<?start_array/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    array(Rest, [array|Stack], fold(start_array, Callbacks), Opts);
-start(<<?quote/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    string(Rest, Stack, Callbacks, Opts, []);
-start(<<$t/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    tr(Rest, Stack, Callbacks, Opts);
-start(<<$f/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    fa(Rest, Stack, Callbacks, Opts);
-start(<<$n/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    nu(Rest, Stack, Callbacks, Opts);
-start(<<?negative/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    negative(Rest, Stack, Callbacks, Opts, "-");
-start(<<?zero/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    zero(Rest, Stack, Callbacks, Opts, "0");
-start(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts) when ?is_nonzero(S) ->
-    integer(Rest, Stack, Callbacks, Opts, [S]);
-start(<<?solidus/?encoding, Rest/binary>>, Stack, Callbacks, ?comments_enabled(Opts)) ->
-    maybe_comment(Rest, fun(Resume) -> start(Resume, Stack, Callbacks, Opts) end);
-start(Bin, Stack, Callbacks, Opts) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> start(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-maybe_done(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts) when ?is_whitespace(S) ->
-    maybe_done(Rest, Stack, Callbacks, Opts);
-maybe_done(<<?end_object/?encoding, Rest/binary>>, [object|Stack], Callbacks, Opts) ->
-    maybe_done(Rest, Stack, fold(end_object, Callbacks), Opts);
-maybe_done(<<?end_array/?encoding, Rest/binary>>, [array|Stack], Callbacks, Opts) ->
-    maybe_done(Rest, Stack, fold(end_array, Callbacks), Opts);
-maybe_done(<<?comma/?encoding, Rest/binary>>, [object|Stack], Callbacks, Opts) ->
-    key(Rest, [key|Stack], Callbacks, Opts);
-maybe_done(<<?comma/?encoding, Rest/binary>>, [array|_] = Stack, Callbacks, Opts) ->
-    value(Rest, Stack, Callbacks, Opts);
-maybe_done(<<?solidus/?encoding, Rest/binary>>, Stack, Callbacks, ?comments_enabled(Opts)) ->
-    maybe_comment(Rest, fun(Resume) -> maybe_done(Resume, Stack, Callbacks, Opts) end);
-maybe_done(Bin, [], Callbacks, ?stream_mode(Opts)) ->
-    {fold(end_of_json, Callbacks), fun(Stream) ->
-        start(<<Bin/binary, Stream/binary>>, [], fold(reset, Callbacks), Opts)
-    end};
-maybe_done(<<>>, [], Callbacks, Opts) ->
-    {fold(end_of_json, Callbacks), fun(Stream) -> maybe_done(Stream, [], Callbacks, Opts) end};
-maybe_done(Bin, Stack, Callbacks, Opts) -> 
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> maybe_done(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-object(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts) when ?is_whitespace(S) ->
-    object(Rest, Stack, Callbacks, Opts);
-object(<<?quote/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    string(Rest, Stack, Callbacks, Opts, []);
-object(<<?end_object/?encoding, Rest/binary>>, [key|Stack], Callbacks, Opts) ->
-    maybe_done(Rest, Stack, fold(end_object, Callbacks), Opts);
-object(<<?solidus/?encoding, Rest/binary>>, Stack, Callbacks, ?comments_enabled(Opts)) ->
-    maybe_comment(Rest, fun(Resume) -> object(Resume, Stack, Callbacks, Opts) end);
-object(Bin, Stack, Callbacks, Opts) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> object(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-array(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts) when ?is_whitespace(S) -> 
-    array(Rest, Stack, Callbacks, Opts);       
-array(<<?quote/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    string(Rest, Stack, Callbacks, Opts, []);
-array(<<$t/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    tr(Rest, Stack, Callbacks, Opts);
-array(<<$f/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    fa(Rest, Stack, Callbacks, Opts);
-array(<<$n/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    nu(Rest, Stack, Callbacks, Opts);
-array(<<?negative/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    negative(Rest, Stack, Callbacks, Opts, "-");
-array(<<?zero/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    zero(Rest, Stack, Callbacks, Opts, "0");
-array(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts) when ?is_nonzero(S) ->
-    integer(Rest, Stack, Callbacks, Opts, [S]);
-array(<<?start_object/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    object(Rest, [key|Stack], fold(start_object, Callbacks), Opts);
-array(<<?start_array/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    array(Rest, [array|Stack], fold(start_array, Callbacks), Opts);
-array(<<?end_array/?encoding, Rest/binary>>, [array|Stack], Callbacks, Opts) ->
-    maybe_done(Rest, Stack, fold(end_array, Callbacks), Opts);
-array(<<?solidus/?encoding, Rest/binary>>, Stack, Callbacks, ?comments_enabled(Opts)) ->
-    maybe_comment(Rest, fun(Resume) -> array(Resume, Stack, Callbacks, Opts) end);
-array(Bin, Stack, Callbacks, Opts) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> array(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-value(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts) when ?is_whitespace(S) -> 
-    value(Rest, Stack, Callbacks, Opts);
-value(<<?quote/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    string(Rest, Stack, Callbacks, Opts, []);
-value(<<$t/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    tr(Rest, Stack, Callbacks, Opts);
-value(<<$f/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    fa(Rest, Stack, Callbacks, Opts);
-value(<<$n/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    nu(Rest, Stack, Callbacks, Opts);
-value(<<?negative/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    negative(Rest, Stack, Callbacks, Opts, "-");
-value(<<?zero/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    zero(Rest, Stack, Callbacks, Opts, "0");
-value(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts) when ?is_nonzero(S) ->
-    integer(Rest, Stack, Callbacks, Opts, [S]);
-value(<<?start_object/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    object(Rest, [key|Stack], fold(start_object, Callbacks), Opts);
-value(<<?start_array/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    array(Rest, [array|Stack], fold(start_array, Callbacks), Opts);
-value(<<?solidus/?encoding, Rest/binary>>, Stack, Callbacks, ?comments_enabled(Opts)) ->
-    maybe_comment(Rest, fun(Resume) -> value(Resume, Stack, Callbacks, Opts) end);
-value(Bin, Stack, Callbacks, Opts) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> value(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-colon(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts) when ?is_whitespace(S) ->
-    colon(Rest, Stack, Callbacks, Opts);
-colon(<<?colon/?encoding, Rest/binary>>, [key|Stack], Callbacks, Opts) ->
-    value(Rest, [object|Stack], Callbacks, Opts);
-colon(<<?solidus/?encoding, Rest/binary>>, Stack, Callbacks, ?comments_enabled(Opts)) ->
-    maybe_comment(Rest, fun(Resume) -> colon(Resume, Stack, Callbacks, Opts) end);
-colon(Bin, Stack, Callbacks, Opts) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> colon(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-key(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts) when ?is_whitespace(S) ->
-    key(Rest, Stack, Callbacks, Opts);        
-key(<<?quote/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    string(Rest, Stack, Callbacks, Opts, []);
-key(<<?solidus/?encoding, Rest/binary>>, Stack, Callbacks, ?comments_enabled(Opts)) ->
-    maybe_comment(Rest, fun(Resume) -> key(Resume, Stack, Callbacks, Opts) end);
-key(Bin, Stack, Callbacks, Opts) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> key(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-%% string has an additional parameter, an accumulator (Acc) used to hold the intermediate
-%%   representation of the string being parsed. using a list of integers representing
-%%   unicode codepoints is faster than constructing binaries, many of which will be
-%%   converted back to lists by the user anyways.
-
-string(<<?quote/?encoding, Rest/binary>>, [key|_] = Stack, Callbacks, Opts, Acc) ->
-    colon(Rest, Stack, fold({key, lists:reverse(Acc)}, Callbacks), Opts);
-string(<<?quote/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    maybe_done(Rest, Stack, fold({string, lists:reverse(Acc)}, Callbacks), Opts);
-string(<<?rsolidus/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    escape(Rest, Stack, Callbacks, Opts, Acc);   
-string(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) when ?is_noncontrol(S) ->
-    string(Rest, Stack, Callbacks, Opts, [S] ++ Acc);
-string(Bin, Stack, Callbacks, Opts, Acc) ->
-    case partial_utf(Bin) of
-        true ->
-            {incomplete, 
-                fun(Stream) -> string(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts, Acc) end
-            }
-        ; false ->
-            {error, badjson}
-    end.
-
-    
--ifdef(utf8).
-partial_utf(<<>>) -> true;
-partial_utf(<<X>>) when X >= 16#c2, X =< 16#df -> true;
-partial_utf(<<X, Rest/binary>>) when X >= 16#e0, X =< 16#ef ->
-    case Rest of
-        <<>> -> true
-        ; <<Y>> when Y >= 16#80, Y =< 16#bf -> true
-    end;
-partial_utf(<<X, Rest/binary>>) when X >= 16#f0, X =< 16#f4 ->
-    case Rest of
-        <<>> -> true
-        ; <<Y>> when Y >= 16#80, Y =< 16#bf -> true
-        ; <<Y, Z>> when Y >= 16#80, Y =< 16#bf, Z >= 16#80, Z =< 16#bf -> true
-    end;
-partial_utf(_) -> false.    
--endif.    
-    
--ifdef(utf16).
-partial_utf(<<>>) -> true;
-%% this case is not strictly true, there are single bytes that should be rejected, but
-%%   they're rare enough they can be ignored
-partial_utf(<<_X>>) -> true;
-partial_utf(<<X, _Y>>) when X >= 16#d8, X =< 16#df -> true;
-partial_utf(<<X, _Y, Z>>) when X >= 16#d8, X =< 16#df, Z >= 16#dc, Z =< 16#df -> true;
-partial_utf(_) -> false.
--endif.
-
--ifdef(utf16le).    
-partial_utf(<<>>) -> true;
-%% this case is not strictly true, there are single bytes that should be rejected, but
-%%   they're rare enough they can be ignored
-partial_utf(<<_X>>) -> true;
-partial_utf(<<_Y, X>>) when X >= 16#d8, X =< 16#df -> true;
-partial_utf(<<_Y, X, _Z>>) when X >= 16#d8, X =< 16#df -> true;
-partial_utf(_) -> false.
--endif.
-
--ifdef(utf32).
-partial_utf(<<_:32>>) -> false;
-partial_utf(_) -> true.
--endif.
-
--ifdef(utf32le).
-partial_utf(<<_:32>>) -> false;
-partial_utf(_) -> true.
--endif.
-
-
-%% only thing to note here is the additional accumulator passed to escaped_unicode used
-%%   to hold the codepoint sequence. unescessary, but nicer than using the string 
-%%   accumulator. 
-
-escape(<<$b/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    string(Rest, Stack, Callbacks, Opts, "\b" ++ Acc);
-escape(<<$f/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    string(Rest, Stack, Callbacks, Opts, "\f" ++ Acc);
-escape(<<$n/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    string(Rest, Stack, Callbacks, Opts, "\n" ++ Acc);
-escape(<<$r/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    string(Rest, Stack, Callbacks, Opts, "\r" ++ Acc);
-escape(<<$t/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    string(Rest, Stack, Callbacks, Opts, "\t" ++ Acc);
-escape(<<$u/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    escaped_unicode(Rest, Stack, Callbacks, Opts, Acc, []);      
-escape(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) 
-        when S =:= ?quote; S =:= ?solidus; S =:= ?rsolidus ->
-    string(Rest, Stack, Callbacks, Opts, [S] ++ Acc);
-escape(Bin, Stack, Callbacks, Opts, Acc) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> escape(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts, Acc) end
-            }
-    end.
-
-
-%% this code is ugly and unfortunate, but so is json's handling of escaped unicode
-%%   codepoint sequences. if the ascii option is present, the sequence is converted
-%%   to a codepoint and inserted into the string if it represents an ascii value. if 
-%%   the codepoint option is present the sequence is converted and inserted as long
-%%   as it represents a valid unicode codepoint. this means non-characters 
-%%   representable in 16 bits are not converted (the utf16 surrogates and the two
-%%   special non-characters). any other option and no conversion is done.
-
-escaped_unicode(<<D/?encoding, Rest/binary>>, 
-        Stack, 
-        Callbacks, 
-        ?escaped_unicode_to_ascii(Opts), 
-        String, 
-        [C, B, A]) 
-            when ?is_hex(D) ->
-    case erlang:list_to_integer([A, B, C, D], 16) of
-        X when X < 128 ->
-            string(Rest, Stack, Callbacks, Opts, [X] ++ String)
-        ; _ ->
-            string(Rest, Stack, Callbacks, Opts, [D, C, B, A, $u, ?rsolidus] ++ String)
-    end;
-escaped_unicode(<<D/?encoding, Rest/binary>>, 
-        Stack, 
-        Callbacks, 
-        ?escaped_unicode_to_codepoint(Opts), 
-        String, 
-        [C, B, A]) 
-            when ?is_hex(D) ->
-    case erlang:list_to_integer([A, B, C, D], 16) of
-        X when X >= 16#dc00, X =< 16#dfff ->
-            case check_acc_for_surrogate(String) of
-                false ->
-                    string(Rest, Stack, Callbacks, Opts, [D, C, B, A, $u, ?rsolidus] ++ String)
-                ; {Y, NewString} ->
-                    string(Rest, Stack, Callbacks, Opts, [surrogate_to_codepoint(Y, X)] ++ NewString)
-            end
-        ; X when X < 16#d800; X > 16#dfff, X < 16#fffe ->
-            string(Rest, Stack, Callbacks, Opts, [X] ++ String) 
-        ; _ ->
-            string(Rest, Stack, Callbacks, Opts, [D, C, B, A, $u, ?rsolidus] ++ String)
-    end;
-escaped_unicode(<<D/?encoding, Rest/binary>>, Stack, Callbacks, Opts, String, [C, B, A]) when ?is_hex(D) ->
-    string(Rest, Stack, Callbacks, Opts, [D, C, B, A, $u, ?rsolidus] ++ String);
-escaped_unicode(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, String, Acc) when ?is_hex(S) ->
-    escaped_unicode(Rest, Stack, Callbacks, Opts, String, [S] ++ Acc);
-escaped_unicode(Bin, Stack, Callbacks, Opts, String, Acc) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> escaped_unicode(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts, String, Acc) end
-            }
-    end.
-
-%% upon encountering a low pair json/hex encoded value, check to see if there's a high
-%%   value already in the accumulator. 
-
-check_acc_for_surrogate([D, C, B, A, $u, ?rsolidus|Rest])
-        when ?is_hex(D), ?is_hex(C), ?is_hex(B), ?is_hex(A) ->
-    case erlang:list_to_integer([A, B, C, D], 16) of
-        X when X >=16#d800, X =< 16#dbff ->
-            {X, Rest};
-        _ ->
-            false
-    end;
-check_acc_for_surrogate(_) ->
-    false.
-
-%% stole this from the unicode spec    
-
-surrogate_to_codepoint(High, Low) ->
-    (High - 16#d800) * 16#400 + (Low - 16#dc00) + 16#10000.
-
-
-%% like strings, numbers are collected in an intermediate accumulator before
-%%   being emitted to the callback handler. 
-
-negative(<<$0/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    zero(Rest, Stack, Callbacks, Opts, "0" ++ Acc);
-negative(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) when ?is_nonzero(S) ->
-    integer(Rest, Stack, Callbacks, Opts, [S] ++ Acc);
-negative(Bin, Stack, Callbacks, Opts, Acc) ->  
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> negative(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts, Acc) end
-            }
-    end.
-
-
-zero(<<?end_object/?encoding, Rest/binary>>, [object|Stack], Callbacks, Opts, Acc) ->
-    maybe_done(Rest, Stack, fold(end_object, fold({integer, lists:reverse(Acc)}, Callbacks)), Opts);
-zero(<<?end_array/?encoding, Rest/binary>>, [array|Stack], Callbacks, Opts, Acc) ->
-    maybe_done(Rest, Stack, fold(end_array, fold({integer, lists:reverse(Acc)}, Callbacks)), Opts);
-zero(<<?comma/?encoding, Rest/binary>>, [object|Stack], Callbacks, Opts, Acc) ->
-    key(Rest, [key|Stack], fold({integer, lists:reverse(Acc)}, Callbacks), Opts);
-zero(<<?comma/?encoding, Rest/binary>>, [array|_] = Stack, Callbacks, Opts, Acc) ->
-    value(Rest, Stack, fold({integer, lists:reverse(Acc)}, Callbacks), Opts);
-zero(<<?decimalpoint/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    initial_decimal(Rest, Stack, Callbacks, Opts, [?decimalpoint] ++ Acc);
-zero(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) when ?is_whitespace(S) ->
-    maybe_done(Rest, Stack, fold({integer, lists:reverse(Acc)}, Callbacks), Opts);
-zero(<<?solidus/?encoding, Rest/binary>>, Stack, Callbacks, ?comments_enabled(Opts), Acc) ->
-    maybe_comment(Rest, fun(Resume) -> zero(Resume, Stack, Callbacks, Opts, Acc) end);
-zero(Bin, [], Callbacks, ?stream_mode(Opts), Acc) ->
-    CB = fold({integer, lists:reverse(Acc)}, Callbacks),
-    {fold(end_of_json, CB), fun(Stream) ->
-        start(<<Bin/binary, Stream/binary>>, [], fold(reset, CB), Opts)
-    end};
-zero(<<>>, [], Callbacks, Opts, Acc) ->
-    {fold(end_of_json, fold({integer, lists:reverse(Acc)}, Callbacks)), 
-        fun(Stream) -> zero(Stream, [], Callbacks, Opts, Acc) end};
-zero(Bin, Stack, Callbacks, Opts, Acc) ->  
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> zero(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts, Acc) end
-            }
-    end.
-
-
-integer(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) when ?is_nonzero(S) ->
-    integer(Rest, Stack, Callbacks, Opts, [S] ++ Acc);
-integer(<<?end_object/?encoding, Rest/binary>>, [object|Stack], Callbacks, Opts, Acc) ->
-    maybe_done(Rest, Stack, fold(end_object, fold({integer, lists:reverse(Acc)}, Callbacks)), Opts);
-integer(<<?end_array/?encoding, Rest/binary>>, [array|Stack], Callbacks, Opts, Acc) ->
-    maybe_done(Rest, Stack, fold(end_array, fold({integer, lists:reverse(Acc)}, Callbacks)), Opts);
-integer(<<?comma/?encoding, Rest/binary>>, [object|Stack], Callbacks, Opts, Acc) ->
-    key(Rest, [key|Stack], fold({integer, lists:reverse(Acc)}, Callbacks), Opts);
-integer(<<?comma/?encoding, Rest/binary>>, [array|_] = Stack, Callbacks, Opts, Acc) ->
-    value(Rest, Stack, fold({integer, lists:reverse(Acc)}, Callbacks), Opts);
-integer(<<?decimalpoint/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    initial_decimal(Rest, Stack, Callbacks, Opts, [?decimalpoint] ++ Acc);
-integer(<<?zero/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    integer(Rest, Stack, Callbacks, Opts, [?zero] ++ Acc);
-integer(<<$e/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    e(Rest, Stack, Callbacks, Opts, "e0." ++ Acc);
-integer(<<$E/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    e(Rest, Stack, Callbacks, Opts, "e0." ++ Acc);
-integer(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) when ?is_whitespace(S) ->
-    maybe_done(Rest, Stack, fold({integer, lists:reverse(Acc)}, Callbacks), Opts);
-integer(<<?solidus/?encoding, Rest/binary>>, Stack, Callbacks, ?comments_enabled(Opts), Acc) ->
-    maybe_comment(Rest, fun(Resume) -> integer(Resume, Stack, Callbacks, Opts, Acc) end);
-integer(Bin, [], Callbacks, ?stream_mode(Opts), Acc) ->
-    CB = fold({integer, lists:reverse(Acc)}, Callbacks),
-    {fold(end_of_json, CB), fun(Stream) ->
-        start(<<Bin/binary, Stream/binary>>, [], fold(reset, CB), Opts)
-    end};
-integer(<<>>, [], Callbacks, Opts, Acc) ->
-    {fold(end_of_json, fold({integer, lists:reverse(Acc)}, Callbacks)), 
-        fun(Stream) -> integer(Stream, [], Callbacks, Opts, Acc) end};
-integer(Bin, Stack, Callbacks, Opts, Acc) ->  
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> integer(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts, Acc) end
-            }
-    end.
-
-
-initial_decimal(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) when ?is_nonzero(S) ->
-    decimal(Rest, Stack, Callbacks, Opts, [S] ++ Acc);
-initial_decimal(<<?zero/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    decimal(Rest, Stack, Callbacks, Opts, [?zero] ++ Acc);
-initial_decimal(Bin, Stack, Callbacks, Opts, Acc) ->  
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> initial_decimal(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts, Acc) end
-            }
-    end.
-
-
-decimal(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) when ?is_nonzero(S) ->
-    decimal(Rest, Stack, Callbacks, Opts, [S] ++ Acc);
-decimal(<<?end_object/?encoding, Rest/binary>>, [object|Stack], Callbacks, Opts, Acc) ->
-    maybe_done(Rest, Stack, fold(end_object, fold({float, lists:reverse(Acc)}, Callbacks)), Opts);
-decimal(<<?end_array/?encoding, Rest/binary>>, [array|Stack], Callbacks, Opts, Acc) ->
-    maybe_done(Rest, Stack, fold(end_array, fold({float, lists:reverse(Acc)}, Callbacks)), Opts);
-decimal(<<?comma/?encoding, Rest/binary>>, [object|Stack], Callbacks, Opts, Acc) ->
-    key(Rest, [key|Stack], fold({float, lists:reverse(Acc)}, Callbacks), Opts);
-decimal(<<?comma/?encoding, Rest/binary>>, [array|_] = Stack, Callbacks, Opts, Acc) ->
-    value(Rest, Stack, fold({float, lists:reverse(Acc)}, Callbacks), Opts);
-decimal(<<?zero/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    decimal(Rest, Stack, Callbacks, Opts, [?zero] ++ Acc);
-decimal(<<$e/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    e(Rest, Stack, Callbacks, Opts, "e" ++ Acc);
-decimal(<<$E/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    e(Rest, Stack, Callbacks, Opts, "e" ++ Acc);
-decimal(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) when ?is_whitespace(S) ->
-    maybe_done(Rest, Stack, fold({float, lists:reverse(Acc)}, Callbacks), Opts);
-decimal(<<?solidus/?encoding, Rest/binary>>, Stack, Callbacks, ?comments_enabled(Opts), Acc) ->
-    maybe_comment(Rest, fun(Resume) -> decimal(Resume, Stack, Callbacks, Opts, Acc) end);
-decimal(Bin, [], Callbacks, ?stream_mode(Opts), Acc) ->
-    CB = fold({float, lists:reverse(Acc)}, Callbacks),
-    {fold(end_of_json, CB), fun(Stream) ->
-        start(<<Bin/binary, Stream/binary>>, [], fold(reset, CB), Opts)
-    end};
-decimal(<<>>, [], Callbacks, Opts, Acc) ->
-    {fold(end_of_json, fold({float, lists:reverse(Acc)}, Callbacks)), 
-        fun(Stream) -> decimal(Stream, [], Callbacks, Opts, Acc) end};
-decimal(Bin, Stack, Callbacks, Opts, Acc) ->  
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> decimal(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts, Acc) end
-            }
-    end.
-
-
-e(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) when S =:= ?zero; ?is_nonzero(S) ->
-    exp(Rest, Stack, Callbacks, Opts, [S] ++ Acc);   
-e(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) when S =:= ?positive; S =:= ?negative ->
-    ex(Rest, Stack, Callbacks, Opts, [S] ++ Acc);
-e(Bin, Stack, Callbacks, Opts, Acc) ->  
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> e(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts, Acc) end
-            }
-    end.
-
-
-ex(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) when S =:= ?zero; ?is_nonzero(S) ->
-    exp(Rest, Stack, Callbacks, Opts, [S] ++ Acc);
-ex(Bin, Stack, Callbacks, Opts, Acc) ->  
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> ex(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts, Acc) end
-            }
-    end.
-
-
-exp(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) when ?is_nonzero(S) ->
-    exp(Rest, Stack, Callbacks, Opts, [S] ++ Acc);
-exp(<<?end_object/?encoding, Rest/binary>>, [object|Stack], Callbacks, Opts, Acc) ->
-    maybe_done(Rest, Stack, fold(end_object, fold({float, lists:reverse(Acc)}, Callbacks)), Opts);
-exp(<<?end_array/?encoding, Rest/binary>>, [array|Stack], Callbacks, Opts, Acc) ->
-    maybe_done(Rest, Stack, fold(end_array, fold({float, lists:reverse(Acc)}, Callbacks)), Opts);
-exp(<<?comma/?encoding, Rest/binary>>, [object|Stack], Callbacks, Opts, Acc) ->
-    key(Rest, [key|Stack], fold({float, lists:reverse(Acc)}, Callbacks), Opts);
-exp(<<?comma/?encoding, Rest/binary>>, [array|_] = Stack, Callbacks, Opts, Acc) ->
-    value(Rest, Stack, fold({float, lists:reverse(Acc)}, Callbacks), Opts);
-exp(<<?zero/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) ->
-    exp(Rest, Stack, Callbacks, Opts, [?zero] ++ Acc);
-exp(<<?solidus/?encoding, Rest/binary>>, Stack, Callbacks, ?comments_enabled(Opts), Acc) ->
-    maybe_comment(Rest, fun(Resume) -> exp(Resume, Stack, Callbacks, Opts, Acc) end);
-exp(<<S/?encoding, Rest/binary>>, Stack, Callbacks, Opts, Acc) when ?is_whitespace(S) ->
-    maybe_done(Rest, Stack, fold({float, lists:reverse(Acc)}, Callbacks), Opts);
-exp(Bin, [], Callbacks, ?stream_mode(Opts), Acc) ->
-    CB = fold({float, lists:reverse(Acc)}, Callbacks),
-    {fold(end_of_json, CB), fun(Stream) ->
-        start(<<Bin/binary, Stream/binary>>, [], fold(reset, CB), Opts)
-    end};
-exp(<<>>, [], Callbacks, Opts, Acc) ->
-    {fold(end_of_json, fold({float, lists:reverse(Acc)}, Callbacks)), 
-        fun(Stream) -> exp(Stream, [], Callbacks, Opts, Acc) end};
-exp(Bin, Stack, Callbacks, Opts, Acc) ->  
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> exp(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts, Acc) end
-            }
-    end.
-
-
-tr(<<$r/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    tru(Rest, Stack, Callbacks, Opts);
-tr(Bin, Stack, Callbacks, Opts) ->  
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> tr(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-tru(<<$u/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    true(Rest, Stack, Callbacks, Opts);
-tru(Bin, Stack, Callbacks, Opts) ->  
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> tru(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-true(<<$e/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    maybe_done(Rest, Stack, fold({literal, true}, Callbacks), Opts);
-true(Bin, Stack, Callbacks, Opts) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> true(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-fa(<<$a/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    fal(Rest, Stack, Callbacks, Opts);
-fa(Bin, Stack, Callbacks, Opts) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> fa(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-fal(<<$l/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    fals(Rest, Stack, Callbacks, Opts);
-fal(Bin, Stack, Callbacks, Opts) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> fal(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-fals(<<$s/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    false(Rest, Stack, Callbacks, Opts);
-fals(Bin, Stack, Callbacks, Opts) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> fals(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-false(<<$e/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    maybe_done(Rest, Stack, fold({literal, false}, Callbacks), Opts);
-false(Bin, Stack, Callbacks, Opts) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> false(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-nu(<<$u/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    nul(Rest, Stack, Callbacks, Opts);
-nu(Bin, Stack, Callbacks, Opts) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> nu(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-nul(<<$l/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    null(Rest, Stack, Callbacks, Opts);
-nul(Bin, Stack, Callbacks, Opts) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> nul(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end.
-
-
-null(<<$l/?encoding, Rest/binary>>, Stack, Callbacks, Opts) ->
-    maybe_done(Rest, Stack, fold({literal, null}, Callbacks), Opts);
-null(Bin, Stack, Callbacks, Opts) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> null(<<Bin/binary, Stream/binary>>, Stack, Callbacks, Opts) end
-            }
-    end. 
-
-
-%% comments are c style, /* blah blah */ and are STRONGLY discouraged. any unicode
-%%   character is valid in a comment, except, obviously the */ sequence which ends
-%%   the comment. they're implemented as a closure called when the comment ends that
-%%   returns execution to the point where the comment began. comments are not 
-%%   recorded in any way, simply parsed.    
-
-maybe_comment(<<?star/?encoding, Rest/binary>>, Resume) ->
-    comment(Rest, Resume);
-maybe_comment(Bin, Resume) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ -> 
-            {incomplete, 
-                fun(Stream) -> maybe_comment(<<Bin/binary, Stream/binary>>, Resume) end
-            }
-    end.
-
-
-comment(<<?star/?encoding, Rest/binary>>, Resume) ->
-    maybe_comment_done(Rest, Resume);
-comment(<<_/?encoding, Rest/binary>>, Resume) ->
-    comment(Rest, Resume);
-comment(Bin, Resume) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ ->
-            {incomplete, fun(Stream) -> comment(<<Bin/binary, Stream/binary>>, Resume) end}
-    end.
-
-
-maybe_comment_done(<<?solidus/?encoding, Rest/binary>>, Resume) ->
-    Resume(Rest);
-maybe_comment_done(<<_/?encoding, Rest/binary>>, Resume) ->
-    comment(Rest, Resume);
-maybe_comment_done(Bin, Resume) ->
-    case byte_size(Bin) >= ?symbol_size of
-        true -> {error, badjson}
-        ; _ ->
-            {incomplete, fun(Stream) -> maybe_comment_done(<<Bin/binary, Stream/binary>>, Resume) end}
-    end.
\ No newline at end of file