add maybe_escape/2 function for future use
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alisdair sullivan
parent
0392be060d
commit
ff170d5f4e
1 changed files with 106 additions and 84 deletions
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@ -505,6 +505,28 @@ strip_continuations(<<X, Rest/binary>>, N) when X >= 128, X =< 191 ->
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strip_continuations(Bin, _) -> Bin.
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maybe_escape(String, #config{dirty_strings=true}) -> String;
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maybe_escape(String, #config{escaped_strings=true} = Config) -> escape(String, Config);
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maybe_escape(String, _Config) -> String.
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escape($\b, _) -> <<"\\b">>;
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escape($\t, _) -> <<"\\t">>;
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escape($\n, _) -> <<"\\n">>;
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escape($\f, _) -> <<"\\f">>;
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escape($\r, _) -> <<"\\r">>;
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escape($\", _) -> <<"\\\"">>;
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escape($\\, _) -> <<"\\\\">>;
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escape($/, #config{escaped_forward_slashes=true}) -> <<"\\/">>;
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escape($/, _) -> <<"/">>;
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escape(16#2028, #config{unescaped_jsonp=true}) -> <<16#2028/utf8>>;
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escape(16#2028, _) -> <<"\\u2028">>;
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escape(16#2029, #config{unescaped_jsonp=true}) -> <<16#2029/utf8>>;
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escape(16#2029, _) -> <<"\\u2029">>;
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escape(X, _) when X < 32 ->
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<<A:4, B:4, C:4, D:4>> = <<X:16>>,
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<<"\\u", (to_hex(A)), (to_hex(B)), (to_hex(C)), (to_hex(D))>>.
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maybe_replace($\b, #config{escaped_strings=true}) -> [$b, $\\];
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maybe_replace($\t, #config{escaped_strings=true}) -> [$t, $\\];
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maybe_replace($\n, #config{escaped_strings=true}) -> [$n, $\\];
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@ -748,169 +770,169 @@ clean_test_() ->
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escape_test_() ->
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[
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{"escape backspace", ?_assertEqual(
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{"maybe_escape backspace", ?_assertEqual(
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<<"\\b">>,
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clean_string(to_fake_utf8(16#0008), #config{escaped_strings=true})
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maybe_escape(16#0008, #config{escaped_strings=true})
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)},
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{"escape tab", ?_assertEqual(
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{"maybe_escape tab", ?_assertEqual(
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<<"\\t">>,
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clean_string(to_fake_utf8(16#0009), #config{escaped_strings=true})
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maybe_escape(16#0009, #config{escaped_strings=true})
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)},
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{"escape newline", ?_assertEqual(
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{"maybe_escape newline", ?_assertEqual(
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<<"\\n">>,
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clean_string(to_fake_utf8(16#000a), #config{escaped_strings=true})
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maybe_escape(16#000a, #config{escaped_strings=true})
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)},
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{"escape formfeed", ?_assertEqual(
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{"maybe_escape formfeed", ?_assertEqual(
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<<"\\f">>,
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clean_string(to_fake_utf8(16#000c), #config{escaped_strings=true})
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maybe_escape(16#000c, #config{escaped_strings=true})
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)},
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{"escape carriage return", ?_assertEqual(
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{"maybe_escape carriage return", ?_assertEqual(
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<<"\\r">>,
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clean_string(to_fake_utf8(16#000d), #config{escaped_strings=true})
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maybe_escape(16#000d, #config{escaped_strings=true})
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)},
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{"escape quote", ?_assertEqual(
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{"maybe_escape quote", ?_assertEqual(
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<<"\\\"">>,
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clean_string(to_fake_utf8(16#0022), #config{escaped_strings=true})
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maybe_escape(16#0022, #config{escaped_strings=true})
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)},
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{"escape forward slash", ?_assertEqual(
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{"maybe_escape forward slash", ?_assertEqual(
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<<"\\/">>,
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clean_string(to_fake_utf8(16#002f), #config{escaped_strings=true, escaped_forward_slashes=true})
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maybe_escape(16#002f, #config{escaped_strings=true, escaped_forward_slashes=true})
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)},
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{"do not escape forward slash", ?_assertEqual(
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{"do not maybe_escape forward slash", ?_assertEqual(
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<<"/">>,
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clean_string(to_fake_utf8(16#002f), #config{escaped_strings=true})
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maybe_escape(16#002f, #config{escaped_strings=true})
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)},
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{"escape backslash", ?_assertEqual(
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{"maybe_escape backslash", ?_assertEqual(
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<<"\\\\">>,
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clean_string(to_fake_utf8(16#005c), #config{escaped_strings=true})
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maybe_escape(16#005c, #config{escaped_strings=true})
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)},
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{"escape jsonp (u2028)", ?_assertEqual(
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{"maybe_escape jsonp (u2028)", ?_assertEqual(
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<<"\\u2028">>,
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clean_string(to_fake_utf8(16#2028), #config{escaped_strings=true})
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maybe_escape(16#2028, #config{escaped_strings=true})
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)},
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{"do not escape jsonp (u2028)", ?_assertEqual(
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{"do not maybe_escape jsonp (u2028)", ?_assertEqual(
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<<16#2028/utf8>>,
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clean_string(to_fake_utf8(16#2028), #config{escaped_strings=true, unescaped_jsonp=true})
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maybe_escape(16#2028, #config{escaped_strings=true, unescaped_jsonp=true})
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)},
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{"escape jsonp (u2029)", ?_assertEqual(
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{"maybe_escape jsonp (u2029)", ?_assertEqual(
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<<"\\u2029">>,
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clean_string(to_fake_utf8(16#2029), #config{escaped_strings=true})
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maybe_escape(16#2029, #config{escaped_strings=true})
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)},
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{"do not escape jsonp (u2029)", ?_assertEqual(
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{"do not maybe_escape jsonp (u2029)", ?_assertEqual(
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<<16#2029/utf8>>,
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clean_string(to_fake_utf8(16#2029), #config{escaped_strings=true, unescaped_jsonp=true})
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maybe_escape(16#2029, #config{escaped_strings=true, unescaped_jsonp=true})
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)},
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{"dirty string", ?_assertEqual(
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<<"\n">>,
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clean_string(to_fake_utf8(16#000a), #config{escaped_strings=true, dirty_strings=true})
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)},
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{"escape u0000", ?_assertEqual(
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{"maybe_escape u0000", ?_assertEqual(
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<<"\\u0000">>,
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clean_string(to_fake_utf8(16#0000), #config{escaped_strings=true})
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maybe_escape(16#0000, #config{escaped_strings=true})
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)},
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{"escape u0001", ?_assertEqual(
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{"maybe_escape u0001", ?_assertEqual(
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<<"\\u0001">>,
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clean_string(to_fake_utf8(16#0001), #config{escaped_strings=true})
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maybe_escape(16#0001, #config{escaped_strings=true})
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)},
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{"escape u0002", ?_assertEqual(
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{"maybe_escape u0002", ?_assertEqual(
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<<"\\u0002">>,
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clean_string(to_fake_utf8(16#0002), #config{escaped_strings=true})
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maybe_escape(16#0002, #config{escaped_strings=true})
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)},
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{"escape u0003", ?_assertEqual(
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{"maybe_escape u0003", ?_assertEqual(
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<<"\\u0003">>,
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clean_string(to_fake_utf8(16#0003), #config{escaped_strings=true})
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maybe_escape(16#0003, #config{escaped_strings=true})
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)},
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{"escape u0004", ?_assertEqual(
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{"maybe_escape u0004", ?_assertEqual(
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<<"\\u0004">>,
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clean_string(to_fake_utf8(16#0004), #config{escaped_strings=true})
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maybe_escape(16#0004, #config{escaped_strings=true})
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)},
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{"escape u0005", ?_assertEqual(
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{"maybe_escape u0005", ?_assertEqual(
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<<"\\u0005">>,
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clean_string(to_fake_utf8(16#0005), #config{escaped_strings=true})
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maybe_escape(16#0005, #config{escaped_strings=true})
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)},
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{"escape u0006", ?_assertEqual(
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{"maybe_escape u0006", ?_assertEqual(
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<<"\\u0006">>,
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clean_string(to_fake_utf8(16#0006), #config{escaped_strings=true})
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maybe_escape(16#0006, #config{escaped_strings=true})
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)},
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{"escape u0007", ?_assertEqual(
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{"maybe_escape u0007", ?_assertEqual(
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<<"\\u0007">>,
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clean_string(to_fake_utf8(16#0007), #config{escaped_strings=true})
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maybe_escape(16#0007, #config{escaped_strings=true})
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)},
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{"escape u000b", ?_assertEqual(
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{"maybe_escape u000b", ?_assertEqual(
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<<"\\u000b">>,
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clean_string(to_fake_utf8(16#000b), #config{escaped_strings=true})
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maybe_escape(16#000b, #config{escaped_strings=true})
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)},
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{"escape u000e", ?_assertEqual(
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{"maybe_escape u000e", ?_assertEqual(
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<<"\\u000e">>,
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clean_string(to_fake_utf8(16#000e), #config{escaped_strings=true})
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maybe_escape(16#000e, #config{escaped_strings=true})
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)},
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{"escape u000f", ?_assertEqual(
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{"maybe_escape u000f", ?_assertEqual(
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<<"\\u000f">>,
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clean_string(to_fake_utf8(16#000f), #config{escaped_strings=true})
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maybe_escape(16#000f, #config{escaped_strings=true})
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)},
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{"escape u0010", ?_assertEqual(
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{"maybe_escape u0010", ?_assertEqual(
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<<"\\u0010">>,
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clean_string(to_fake_utf8(16#0010), #config{escaped_strings=true})
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maybe_escape(16#0010, #config{escaped_strings=true})
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)},
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{"escape u0011", ?_assertEqual(
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{"maybe_escape u0011", ?_assertEqual(
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<<"\\u0011">>,
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clean_string(to_fake_utf8(16#0011), #config{escaped_strings=true})
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maybe_escape(16#0011, #config{escaped_strings=true})
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)},
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{"escape u0012", ?_assertEqual(
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{"maybe_escape u0012", ?_assertEqual(
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<<"\\u0012">>,
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clean_string(to_fake_utf8(16#0012), #config{escaped_strings=true})
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maybe_escape(16#0012, #config{escaped_strings=true})
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)},
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{"escape u0013", ?_assertEqual(
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{"maybe_escape u0013", ?_assertEqual(
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<<"\\u0013">>,
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clean_string(to_fake_utf8(16#0013), #config{escaped_strings=true})
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maybe_escape(16#0013, #config{escaped_strings=true})
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)},
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{"escape u0014", ?_assertEqual(
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{"maybe_escape u0014", ?_assertEqual(
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<<"\\u0014">>,
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clean_string(to_fake_utf8(16#0014), #config{escaped_strings=true})
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maybe_escape(16#0014, #config{escaped_strings=true})
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)},
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{"escape u0015", ?_assertEqual(
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{"maybe_escape u0015", ?_assertEqual(
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<<"\\u0015">>,
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clean_string(to_fake_utf8(16#0015), #config{escaped_strings=true})
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maybe_escape(16#0015, #config{escaped_strings=true})
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)},
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{"escape u0016", ?_assertEqual(
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{"maybe_escape u0016", ?_assertEqual(
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<<"\\u0016">>,
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clean_string(to_fake_utf8(16#0016), #config{escaped_strings=true})
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maybe_escape(16#0016, #config{escaped_strings=true})
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)},
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{"escape u0017", ?_assertEqual(
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{"maybe_escape u0017", ?_assertEqual(
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<<"\\u0017">>,
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clean_string(to_fake_utf8(16#0017), #config{escaped_strings=true})
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maybe_escape(16#0017, #config{escaped_strings=true})
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)},
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{"escape u0018", ?_assertEqual(
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{"maybe_escape u0018", ?_assertEqual(
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<<"\\u0018">>,
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clean_string(to_fake_utf8(16#0018), #config{escaped_strings=true})
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maybe_escape(16#0018, #config{escaped_strings=true})
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)},
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{"escape u0019", ?_assertEqual(
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{"maybe_escape u0019", ?_assertEqual(
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<<"\\u0019">>,
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clean_string(to_fake_utf8(16#0019), #config{escaped_strings=true})
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maybe_escape(16#0019, #config{escaped_strings=true})
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)},
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{"escape u001a", ?_assertEqual(
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{"maybe_escape u001a", ?_assertEqual(
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<<"\\u001a">>,
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clean_string(to_fake_utf8(16#001a), #config{escaped_strings=true})
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maybe_escape(16#001a, #config{escaped_strings=true})
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)},
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{"escape u001b", ?_assertEqual(
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{"maybe_escape u001b", ?_assertEqual(
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<<"\\u001b">>,
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clean_string(to_fake_utf8(16#001b), #config{escaped_strings=true})
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maybe_escape(16#001b, #config{escaped_strings=true})
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)},
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{"escape u001c", ?_assertEqual(
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{"maybe_escape u001c", ?_assertEqual(
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<<"\\u001c">>,
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clean_string(to_fake_utf8(16#001c), #config{escaped_strings=true})
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maybe_escape(16#001c, #config{escaped_strings=true})
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)},
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{"escape u001d", ?_assertEqual(
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{"maybe_escape u001d", ?_assertEqual(
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<<"\\u001d">>,
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clean_string(to_fake_utf8(16#001d), #config{escaped_strings=true})
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maybe_escape(16#001d, #config{escaped_strings=true})
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)},
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{"escape u001e", ?_assertEqual(
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{"maybe_escape u001e", ?_assertEqual(
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<<"\\u001e">>,
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clean_string(to_fake_utf8(16#001e), #config{escaped_strings=true})
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maybe_escape(16#001e, #config{escaped_strings=true})
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)},
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{"escape u001f", ?_assertEqual(
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{"maybe_escape u001f", ?_assertEqual(
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<<"\\u001f">>,
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clean_string(to_fake_utf8(16#001f), #config{escaped_strings=true})
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maybe_escape(16#001f, #config{escaped_strings=true})
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)},
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{"dirty strings", ?_assertEqual(
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<<0>>,
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maybe_escape(<<0>>, #config{escaped_strings=true, dirty_strings=true})
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)}
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].
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