whitespace changes
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4d129ca320
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2 changed files with 1 additions and 19 deletions
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@ -39,15 +39,6 @@ parse(JSON, Opts) ->
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start(JSON, [], Opts).
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%% this code is mostly autogenerated and mostly ugly. apologies. for more insight on
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%% Callbacks or Opts, see the comments accompanying decoder/2 (in jsx.erl). Stack
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%% is a stack of flags used to track depth and to keep track of whether we are
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%% returning from a value or a key inside objects. all pops, peeks and pushes are
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%% inlined. the code that handles naked values and comments is not optimized by the
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%% compiler for efficient matching, but you shouldn't be using naked values or comments
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%% anyways, they are horrible and contrary to the spec
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start(<<S/?encoding, Rest/binary>>, Stack, Opts) when ?is_whitespace(S) ->
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start(Rest, Stack, Opts);
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start(<<?start_object/?encoding, Rest/binary>>, Stack, Opts) ->
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@ -254,10 +245,8 @@ key(Bin, Stack, Opts) ->
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%% representation of the string being parsed. using a list of integers representing
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%% unicode codepoints is faster than constructing binaries, many of which will be
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%% converted back to lists by the user anyways
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%% string uses partial_utf/1 to cease parsing when invalid encodings are encountered
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%% rather than just checking remaining binary size like other states
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string(<<?quote/?encoding, Rest/binary>>, [key|_] = Stack, Opts, Acc) ->
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{event, {key, lists:reverse(Acc)}, fun() -> colon(Rest, Stack, Opts) end};
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string(<<?quote/?encoding, Rest/binary>>, Stack, Opts, Acc) ->
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@ -329,7 +318,6 @@ partial_utf(_) -> true.
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%% only thing to note here is the additional accumulator passed to escaped_unicode used
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%% to hold the codepoint sequence. unescessary, but nicer than using the string
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%% accumulator
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escape(<<$b/?encoding, Rest/binary>>, Stack, Opts, Acc) ->
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string(Rest, Stack, Opts, "\b" ++ Acc);
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escape(<<$f/?encoding, Rest/binary>>, Stack, Opts, Acc) ->
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@ -364,7 +352,6 @@ escape(Bin, Stack, Opts, Acc) ->
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%% as it represents a valid unicode codepoint. this means non-characters
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%% representable in 16 bits are not converted (the utf16 surrogates and the two
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%% special non-characters). any other option and no conversion is done
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escaped_unicode(<<D/?encoding, Rest/binary>>,
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Stack,
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?escaped_unicode_to_ascii(Opts),
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@ -413,7 +400,6 @@ escaped_unicode(Bin, Stack, Opts, String, Acc) ->
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%% upon encountering a low pair json/hex encoded value, check to see if there's a high
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%% value already in the accumulator
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check_acc_for_surrogate([D, C, B, A, $u, ?rsolidus|Rest])
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when ?is_hex(D), ?is_hex(C), ?is_hex(B), ?is_hex(A) ->
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case erlang:list_to_integer([A, B, C, D], 16) of
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@ -426,14 +412,12 @@ check_acc_for_surrogate(_) ->
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false.
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%% stole this from the unicode spec
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surrogate_to_codepoint(High, Low) ->
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(High - 16#d800) * 16#400 + (Low - 16#dc00) + 16#10000.
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%% like strings, numbers are collected in an intermediate accumulator before
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%% being emitted to the callback handler
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negative(<<$0/?encoding, Rest/binary>>, Stack, Opts, Acc) ->
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zero(Rest, Stack, Opts, "0" ++ Acc);
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negative(<<S/?encoding, Rest/binary>>, Stack, Opts, Acc) when ?is_nonzero(S) ->
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@ -804,8 +788,7 @@ null(Bin, Stack, Opts) ->
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%% any unicode character is valid in a comment except the */ sequence which ends
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%% the comment. they're implemented as a closure called when the comment ends that
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%% returns execution to the point where the comment began. comments are not
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%% recorded in any way, simply parsed.
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%% reported in any way, simply parsed.
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maybe_comment(<<?star/?encoding, Rest/binary>>, Resume) ->
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comment(Rest, Resume);
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maybe_comment(Bin, Resume) ->
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@ -82,7 +82,6 @@ parse_opts([{encoding, _}|Rest], Opts) ->
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%% encoding detection
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%% first check to see if there's a bom, if not, use the rfc4627 method for determining
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%% encoding. this function makes some assumptions about the validity of the stream
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%% which may delay failure later than if an encoding is explicitly provided
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