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convert all space/newlines in json formatter to emit binaries

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This commit is contained in:
alisdair sullivan 2013-10-27 01:28:49 +00:00
parent 5409668cf4
commit 7296f790b2
1 changed files with 10 additions and 15 deletions
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25
src/jsx_to_json.erl
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@ -157,22 +157,17 @@ encode(float, Float, _Config) ->
space(Config) ->
case Config#config.space of
0 -> []
0 -> <<>>
; X when X > 0 -> binary:copy(?space, X)
end.
indent(Config) ->
case Config#config.indent of
0 -> []
; X when X > 0 ->
Indent = binary:copy(?space, X),
indent(Indent, Config#config.depth, [?newline])
0 -> <<>>
; X when X > 0 -> <<?newline/binary, (binary:copy(?space, X * Config#config.depth))/binary>>
end.
indent(_Indent, 0, Acc) -> Acc;
indent(Indent, N, Acc) -> indent(Indent, N - 1, [Acc, Indent]).
indent_or_space(Config) ->
case Config#config.indent > 0 of
@ -258,7 +253,7 @@ config_test_() ->
space_test_() ->
[
{"no space", ?_assertEqual([], space(#config{space=0}))},
{"no space", ?_assertEqual(<<>>, space(#config{space=0}))},
{"one space", ?_assertEqual(<<" ">>, space(#config{space=1}))},
{"four spaces", ?_assertEqual(<<" ">>, space(#config{space=4}))}
].
@ -266,21 +261,21 @@ space_test_() ->
indent_test_() ->
[
{"no indent", ?_assertEqual([], indent(#config{indent=0, depth=1}))},
{"no indent", ?_assertEqual(<<>>, indent(#config{indent=0, depth=1}))},
{"indent 1 depth 1", ?_assertEqual(
[[?newline], ?space],
<<?newline/binary, <<" ">>/binary>>,
indent(#config{indent=1, depth=1})
)},
{"indent 1 depth 2", ?_assertEqual(
[[[?newline], ?space], ?space],
<<?newline/binary, <<" ">>/binary>>,
indent(#config{indent=1, depth=2})
)},
{"indent 4 depth 1", ?_assertEqual(
[[?newline], <<" ">>],
<<?newline/binary, <<" ">>/binary>>,
indent(#config{indent=4, depth=1})
)},
{"indent 4 depth 2", ?_assertEqual(
[[[?newline], <<" ">>], <<" ">>],
<<?newline/binary, <<" ">>/binary, <<" ">>/binary>>,
indent(#config{indent=4, depth=2})
)}
].
@ -293,7 +288,7 @@ indent_or_space_test_() ->
indent_or_space(#config{space=1, indent=0, depth=1})
)},
{"indent so no space", ?_assertEqual(
[[?newline], ?space],
<<?newline/binary, <<" ">>/binary>>,
indent_or_space(#config{space=1, indent=1, depth=1})
)}
].