umgeher/jsx
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shuffle some string clauses for slightly better performance

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alisdair sullivan 2013-03-06 23:34:46 -08:00
parent 292c692191
commit 1190d6cf34
1 changed files with 14 additions and 20 deletions
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34
src/jsx_decoder.erl
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@ -298,15 +298,6 @@ string(<<32, Rest/binary>>, Handler, Acc, Stack, Config) ->
string(Rest, Handler, acc_seq(Acc, 32), Stack, Config);
string(<<33, Rest/binary>>, Handler, Acc, Stack, Config) ->
string(Rest, Handler, acc_seq(Acc, 33), Stack, Config);
string(<<?doublequote, Rest/binary>>, Handler, Acc, Stack, Config) ->
case Stack of
[key|_] ->
colon(Rest, handle_event({key, end_seq(Acc, Config)}, Handler, Config), Stack, Config);
[single_quote|_] ->
string(Rest, Handler,acc_seq(Acc, maybe_replace(?doublequote, Config)), Stack, Config);
_ ->
maybe_done(Rest, handle_event({string, end_seq(Acc, Config)}, Handler, Config), Stack, Config)
end;
string(<<35, Rest/binary>>, Handler, Acc, Stack, Config) ->
string(Rest, Handler, acc_seq(Acc, 35), Stack, Config);
string(<<36, Rest/binary>>, Handler, Acc, Stack, Config) ->
@ -315,15 +306,6 @@ string(<<37, Rest/binary>>, Handler, Acc, Stack, Config) ->
string(Rest, Handler, acc_seq(Acc, 37), Stack, Config);
string(<<38, Rest/binary>>, Handler, Acc, Stack, Config) ->
string(Rest, Handler, acc_seq(Acc, 38), Stack, Config);
string(<<?singlequote, Rest/binary>>, Handler, Acc, Stack, Config) ->
case Stack of
[single_quote, key|S] ->
colon(Rest, handle_event({key, end_seq(Acc, Config)}, Handler, Config), [key|S], Config)
; [single_quote|S] ->
maybe_done(Rest, handle_event({string, end_seq(Acc, Config)}, Handler, Config), S, Config)
; _ ->
string(Rest, Handler, acc_seq(Acc, ?singlequote), Stack, Config)
end;
string(<<40, Rest/binary>>, Handler, Acc, Stack, Config) ->
string(Rest, Handler, acc_seq(Acc, 40), Stack, Config);
string(<<41, Rest/binary>>, Handler, Acc, Stack, Config) ->
@ -338,8 +320,6 @@ string(<<45, Rest/binary>>, Handler, Acc, Stack, Config) ->
string(Rest, Handler, acc_seq(Acc, 45), Stack, Config);
string(<<46, Rest/binary>>, Handler, Acc, Stack, Config) ->
string(Rest, Handler, acc_seq(Acc, 46), Stack, Config);
string(<<?solidus, Rest/binary>>, Handler, Acc, Stack, Config) ->
string(Rest, Handler, acc_seq(Acc, maybe_replace(?solidus, Config)), Stack, Config);
string(<<48, Rest/binary>>, Handler, Acc, Stack, Config) ->
string(Rest, Handler, acc_seq(Acc, 48), Stack, Config);
string(<<49, Rest/binary>>, Handler, Acc, Stack, Config) ->
@ -498,6 +478,12 @@ string(<<126, Rest/binary>>, Handler, Acc, Stack, Config) ->
string(Rest, Handler, acc_seq(Acc, 126), Stack, Config);
string(<<127, Rest/binary>>, Handler, Acc, Stack, Config) ->
string(Rest, Handler, acc_seq(Acc, 127), Stack, Config);
string(<<?doublequote, Rest/binary>>, Handler, Acc, [key|_] = Stack, Config) ->
colon(Rest, handle_event({key, end_seq(Acc, Config)}, Handler, Config), Stack, Config);
string(<<?doublequote, Rest/binary>>, Handler, Acc, [single_quote|_] = Stack, Config) ->
string(Rest, Handler,acc_seq(Acc, maybe_replace(?doublequote, Config)), Stack, Config);
string(<<?doublequote, Rest/binary>>, Handler, Acc, Stack, Config) ->
maybe_done(Rest, handle_event({string, end_seq(Acc, Config)}, Handler, Config), Stack, Config);
string(<<?rsolidus, ?doublequote, Rest/binary>>, Handler, Acc, [single_quote|_] = Stack, Config=#config{dirty_strings=true}) ->
string(Rest, Handler, acc_seq(Acc, [?rsolidus, ?doublequote]), Stack, Config);
string(<<?rsolidus, ?doublequote, Rest/binary>>, Handler, Acc, Stack, Config=#config{dirty_strings=true}) ->
@ -510,6 +496,14 @@ string(<<C, Rest/binary>>, Handler, Acc, Stack, Config=#config{dirty_strings=tru
string(Rest, Handler, acc_seq(Acc, C), Stack, Config);
string(<<?rsolidus/utf8, Rest/binary>>, Handler, Acc, Stack, Config) ->
unescape(Rest, Handler, Acc, Stack, Config);
string(<<?solidus, Rest/binary>>, Handler, Acc, Stack, Config) ->
string(Rest, Handler, acc_seq(Acc, maybe_replace(?solidus, Config)), Stack, Config);
string(<<?singlequote, Rest/binary>>, Handler, Acc, [single_quote, key|Stack], Config) ->
colon(Rest, handle_event({key, end_seq(Acc, Config)}, Handler, Config), [key|Stack], Config);
string(<<?singlequote, Rest/binary>>, Handler, Acc, [single_quote|Stack], Config) ->
maybe_done(Rest, handle_event({string, end_seq(Acc, Config)}, Handler, Config), Stack, Config);
string(<<?singlequote, Rest/binary>>, Handler, Acc, Stack, Config) ->
string(Rest, Handler, acc_seq(Acc, ?singlequote), Stack, Config);
string(<<X/utf8, Rest/binary>>, Handler, Acc, Stack, Config) when X >= 16#20, X < 16#2028 ->
string(Rest, Handler, acc_seq(Acc, X), Stack, Config);
string(<<X/utf8, Rest/binary>>, Handler, Acc, Stack, Config) when X == 16#2028; X == 16#2029 ->