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protobuffs_report.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html lang='en' xml:lang='en' xmlns='http://www.w3.org/1999/xhtml'>
<head>
<title>protobuffs - C0 code coverage information</title>
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<h3>C0 code coverage information</h3>
<p>Generated on 2009-01-23 23:10:54 with <a href='http://github.com/ngerakines/etap'>etap 0.3.3</a>.
</p>
<table class='report'>
<thead>
<tr>
<td class='heading'>Name</td>
<td class='heading'>Total lines</td>
<td class='heading'>Lines of code</td>
<td class='heading'>Total coverage</td>
<td class='heading'>Code coverage</td>
</tr>
</thead>
<tbody>
<tr class='light'>
<td>
<a href='protobuffs_report.html'>protobuffs</a>
</td>
<td class='value'>
<tt>??</tt>
</td>
<td class='value'>
<tt>??</tt>
</td>
<td class='value'>
<tt>??</tt>
</td>
<td>
<table cellspacing='0' cellpadding='0' align='right'>
<tr>
<td><tt>73%</tt> </td><td>
<table cellspacing='0' class='percent_graph' cellpadding='0' width='100'>
<tr><td class='covered' width='46' /><td class='uncovered' width='17' /></tr>
</table>
</td>
</tr>
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</table><pre><span class="inferred0"><a name="line1"></a>....1 %% @doc A protcol buffers encoding and decoding module.
</span><span class="inferred0"><a name="line2"></a>....2 -module(protobuffs).
</span><span class="inferred0"><a name="line3"></a>....3 -export([encode/3, decode/2, decode_many/1]).
</span><span class="inferred0"><a name="line4"></a>....4
</span><span class="inferred0"><a name="line5"></a>....5 -define(TYPE_VARINT, 0).
</span><span class="inferred0"><a name="line6"></a>....6 -define(TYPE_64BIT, 1).
</span><span class="inferred0"><a name="line7"></a>....7 -define(TYPE_STRING, 2).
</span><span class="inferred0"><a name="line8"></a>....8 -define(TYPE_START_GROUP, 3).
</span><span class="inferred0"><a name="line9"></a>....9 -define(TYPE_END_GROUP, 4).
</span><span class="inferred0"><a name="line10"></a>...10 -define(TYPE_32BIT, 5).
</span><span class="inferred0"><a name="line11"></a>...11
</span><span class="inferred0"><a name="line12"></a>...12 %% @spec encode(FieldID, Value, Type) -> Result
</span><span class="inferred0"><a name="line13"></a>...13 %% FieldID = integer()
</span><span class="inferred0"><a name="line14"></a>...14 %% Value = any()
</span><span class="inferred0"><a name="line15"></a>...15 %% Type = bool | enum | int32 | uint32 | int64 | unit64 | sint32 | sint64 | fixed32 | sfixed32 | fixed64 | sfixed64 | string | bytes | float | double
</span><span class="inferred0"><a name="line16"></a>...16 %% Result = list()
</span><span class="inferred0"><a name="line17"></a>...17 %% @doc Encode an Erlang data structure into a Protocol Buffers value.
</span><span class="inferred0"><a name="line18"></a>...18 encode(FieldID, false, bool) ->
</span><span class="marked0"><a name="line19"></a>...19 encode(FieldID, 0, int32);
</span><span class="inferred0"><a name="line20"></a>...20 encode(FieldID, true, bool) ->
</span><span class="marked0"><a name="line21"></a>...21 encode(FieldID, 1, int32);
</span><span class="inferred0"><a name="line22"></a>...22 encode(FieldID, Integer, enum) ->
</span><span class="marked0"><a name="line23"></a>...23 encode(FieldID, Integer, uint32);
</span><span class="inferred0"><a name="line24"></a>...24 encode(FieldID, Integer, IntType) when IntType =:= int32, Integer >= -16#80000000, Integer =< 16#7fffffff ->
</span><span class="marked0"><a name="line25"></a>...25 encode_varint_field(FieldID, Integer);
</span><span class="inferred0"><a name="line26"></a>...26 encode(FieldID, Integer, IntType) when IntType =:= uint32, Integer band 16#ffffffff =:= Integer ->
</span><span class="marked0"><a name="line27"></a>...27 encode_varint_field(FieldID, Integer);
</span><span class="inferred0"><a name="line28"></a>...28 encode(FieldID, Integer, IntType) when IntType =:= int64, Integer >= -16#8000000000000000, Integer =< 16#7fffffffffffffff ->
</span><span class="marked0"><a name="line29"></a>...29 encode_varint_field(FieldID, Integer);
</span><span class="inferred0"><a name="line30"></a>...30 encode(FieldID, Integer, IntType) when IntType =:= uint64, Integer band 16#ffffffffffffffff =:= Integer ->
</span><span class="uncovered0"><a name="line31"></a>...31 encode_varint_field(FieldID, Integer);
</span><span class="inferred0"><a name="line32"></a>...32 encode(FieldID, Integer, IntType) when IntType =:= bool, Integer band 1 =:= 1 ->
</span><span class="uncovered0"><a name="line33"></a>...33 encode_varint_field(FieldID, Integer);
</span><span class="inferred0"><a name="line34"></a>...34 encode(FieldID, Integer, IntType) when IntType =:= sint32, Integer >= -16#80000000, Integer < 0 ->
</span><span class="uncovered0"><a name="line35"></a>...35 encode_varint_field(FieldID, bnot (Integer bsl 1));
</span><span class="inferred0"><a name="line36"></a>...36 encode(FieldID, Integer, IntType) when IntType =:= sint64, Integer >= -16#8000000000000000, Integer < 0 ->
</span><span class="marked0"><a name="line37"></a>...37 encode_varint_field(FieldID, bnot (Integer bsl 1));
</span><span class="inferred0"><a name="line38"></a>...38 encode(FieldID, Integer, IntType) when IntType =:= sint64, Integer >= 0, Integer =< 16#7fffffff ->
</span><span class="uncovered0"><a name="line39"></a>...39 encode_varint_field(FieldID, Integer bsl 1);
</span><span class="inferred0"><a name="line40"></a>...40 encode(FieldID, Integer, IntType) when IntType =:= sint64, Integer >= 0, Integer =< 16#7fffffffffffffff ->
</span><span class="uncovered0"><a name="line41"></a>...41 encode_varint_field(FieldID, Integer bsl 1);
</span><span class="inferred0"><a name="line42"></a>...42 encode(FieldID, Integer, fixed32) when Integer band 16#ffffffff =:= Integer ->
</span><span class="marked0"><a name="line43"></a>...43 [encode_field_tag(FieldID, ?TYPE_32BIT), <<Integer:32/little-integer>>];
</span><span class="inferred0"><a name="line44"></a>...44 encode(FieldID, Integer, sfixed32) when Integer >= -16#80000000, Integer =< 16#7fffffff ->
</span><span class="marked0"><a name="line45"></a>...45 [encode_field_tag(FieldID, ?TYPE_32BIT), <<Integer:32/little-integer>>];
</span><span class="inferred0"><a name="line46"></a>...46 encode(FieldID, Integer, fixed64) when Integer band 16#ffffffffffffffff =:= Integer ->
</span><span class="marked0"><a name="line47"></a>...47 [encode_field_tag(FieldID, ?TYPE_64BIT), <<Integer:64/little-integer>>];
</span><span class="inferred0"><a name="line48"></a>...48 encode(FieldID, Integer, sfixed64) when Integer >= -16#8000000000000000, Integer =< 16#7fffffffffffffff ->
</span><span class="marked0"><a name="line49"></a>...49 [encode_field_tag(FieldID, ?TYPE_64BIT), <<Integer:64/little-integer>>];
</span><span class="inferred0"><a name="line50"></a>...50 encode(FieldID, String, string) when is_list(String) ->
</span><span class="marked0"><a name="line51"></a>...51 encode(FieldID, list_to_binary(String), string);
</span><span class="inferred0"><a name="line52"></a>...52 encode(FieldID, String, string) when is_binary(String) ->
</span><span class="marked0"><a name="line53"></a>...53 encode(FieldID, String, bytes);
</span><span class="inferred0"><a name="line54"></a>...54 encode(FieldID, String, bytes) when is_list(String) ->
</span><span class="uncovered0"><a name="line55"></a>...55 encode(FieldID, list_to_binary(String), bytes);
</span><span class="inferred0"><a name="line56"></a>...56 encode(FieldID, Bytes, bytes) when is_binary(Bytes) ->
</span><span class="marked0"><a name="line57"></a>...57 [encode_field_tag(FieldID, ?TYPE_STRING), encode_varint(size(Bytes)), Bytes];
</span><span class="inferred0"><a name="line58"></a>...58 encode(FieldID, Float, float) when is_float(Float) ->
</span><span class="marked0"><a name="line59"></a>...59 [encode_field_tag(FieldID, ?TYPE_32BIT), <<Float:32/little-float>>];
</span><span class="inferred0"><a name="line60"></a>...60 encode(FieldID, Float, double) when is_float(Float) ->
</span><span class="marked0"><a name="line61"></a>...61 [encode_field_tag(FieldID, ?TYPE_64BIT), <<Float:64/little-float>>].
</span><span class="inferred0"><a name="line62"></a>...62 %% encode(FieldID, Value, _) when is_binary(Value) ->
</span><span class="inferred0"><a name="line63"></a>...63 %% encode(FieldID, Value, bytes);
</span><span class="inferred0"><a name="line64"></a>...64 %% encode(FieldID, Value, _) when is_atom(Value) ->
</span><span class="inferred0"><a name="line65"></a>...65 %% encode(FieldID, erlang:atom_to_list(Value), string).
</span><span class="inferred0"><a name="line66"></a>...66
</span><span class="inferred0"><a name="line67"></a>...67 %% @spec decode(Bytes, ExpectedType) -> Result
</span><span class="inferred0"><a name="line68"></a>...68 %% Bytes = binary()
</span><span class="inferred0"><a name="line69"></a>...69 %% ExpectedType = bool | enum | int32 | uint32 | int64 | unit64 | sint32 | sint64 | fixed32 | sfixed32 | fixed64 | sfixed64 | string | bytes | float | double
</span><span class="inferred0"><a name="line70"></a>...70 %% Result = {{integer(), any()}, binary()}
</span><span class="inferred0"><a name="line71"></a>...71 decode(Bytes, ExpectedType) ->
</span><span class="marked0"><a name="line72"></a>...72 {Tag, Rest1} = decode_varint(Bytes),
</span><span class="marked0"><a name="line73"></a>...73 FieldID = Tag bsr 3,
</span><span class="marked0"><a name="line74"></a>...74 WireType = Tag band 7,
</span><span class="marked0"><a name="line75"></a>...75 {Value, Rest2} = decode_value(Rest1, WireType, ExpectedType),
</span><span class="marked0"><a name="line76"></a>...76 {{FieldID, Value}, Rest2}.
</span><span class="inferred0"><a name="line77"></a>...77
</span><span class="inferred0"><a name="line78"></a>...78 %% @spec decode_many(Bytes) -> Results
</span><span class="inferred0"><a name="line79"></a>...79 %% Bytes = binary()
</span><span class="inferred0"><a name="line80"></a>...80 %% Results = [Result]
</span><span class="inferred0"><a name="line81"></a>...81 %% Result = {integer(), any()}
</span><span class="inferred0"><a name="line82"></a>...82 decode_many(Bytes) ->
</span><span class="marked0"><a name="line83"></a>...83 decode_many(Bytes, []).
</span><span class="inferred0"><a name="line84"></a>...84
</span><span class="inferred0"><a name="line85"></a>...85 %% @hidden
</span><span class="inferred0"><a name="line86"></a>...86 decode_value(Bytes, ?TYPE_VARINT, ExpectedType) ->
</span><span class="marked0"><a name="line87"></a>...87 {Value, Rest} = decode_varint(Bytes),
</span><span class="marked0"><a name="line88"></a>...88 {typecast(Value, ExpectedType), Rest};
</span><span class="inferred0"><a name="line89"></a>...89 decode_value(<<Value:64/little-unsigned-integer, Rest/binary>>, ?TYPE_64BIT, fixed64) ->
</span><span class="marked0"><a name="line90"></a>...90 {Value, Rest};
</span><span class="inferred0"><a name="line91"></a>...91 decode_value(<<Value:32/little-unsigned-integer, _:32, Rest/binary>>, ?TYPE_64BIT, fixed32) ->
</span><span class="uncovered0"><a name="line92"></a>...92 {Value, Rest};
</span><span class="inferred0"><a name="line93"></a>...93 decode_value(<<Value:64/little-signed-integer, Rest/binary>>, ?TYPE_64BIT, sfixed64) ->
</span><span class="marked0"><a name="line94"></a>...94 {Value, Rest};
</span><span class="inferred0"><a name="line95"></a>...95 decode_value(<<Value:32/little-signed-integer, _:32, Rest/binary>>, ?TYPE_64BIT, sfixed32) ->
</span><span class="uncovered0"><a name="line96"></a>...96 {Value, Rest};
</span><span class="inferred0"><a name="line97"></a>...97 decode_value(<<Value:64/little-float, Rest/binary>>, ?TYPE_64BIT, Type) when Type =:= double; Type =:= float ->
</span><span class="marked0"><a name="line98"></a>...98 {Value, Rest};
</span><span class="inferred0"><a name="line99"></a>...99 decode_value(Bytes, ?TYPE_STRING, ExpectedType) when ExpectedType =:= string; ExpectedType =:= bytes ->
</span><span class="marked0"><a name="line100"></a>..100 {Length, Rest} = decode_varint(Bytes),
</span><span class="marked0"><a name="line101"></a>..101 split_binary(Rest, Length);
</span><span class="inferred0"><a name="line102"></a>..102 decode_value(<<Value:32/little-unsigned-integer, Rest/binary>>, ?TYPE_32BIT, Type) when Type =:= fixed32; Type =:= fixed64 ->
</span><span class="marked0"><a name="line103"></a>..103 {Value, Rest};
</span><span class="inferred0"><a name="line104"></a>..104 decode_value(<<Value:32/little-signed-integer, Rest/binary>>, ?TYPE_32BIT, Type) when Type =:= sfixed32; Type =:= sfixed64 ->
</span><span class="marked0"><a name="line105"></a>..105 {Value, Rest};
</span><span class="inferred0"><a name="line106"></a>..106 decode_value(<<Value:32/little-float, Rest/binary>>, ?TYPE_32BIT, Type) when Type =:= double; Type =:= float ->
</span><span class="marked0"><a name="line107"></a>..107 {Value, Rest}.
</span><span class="inferred0"><a name="line108"></a>..108
</span><span class="inferred0"><a name="line109"></a>..109 %% @hidden
</span><span class="inferred0"><a name="line110"></a>..110 typecast(Value, SignedType) when SignedType =:= int32; SignedType =:= int64 ->
</span><span class="marked0"><a name="line111"></a>..111 if
</span><span class="uncovered0"><a name="line112"></a>..112 Value band 16#8000000000000000 =/= 0 -> Value - 16#10000000000000000;
</span><span class="marked0"><a name="line113"></a>..113 true -> Value
</span><span class="inferred0"><a name="line114"></a>..114 end;
</span><span class="inferred0"><a name="line115"></a>..115 typecast(Value, SignedType) when SignedType =:= sint32; SignedType =:= sint64 ->
</span><span class="marked0"><a name="line116"></a>..116 (Value bsr 1) bxor (-(Value band 1));
</span><span class="inferred0"><a name="line117"></a>..117 typecast(Value, _) ->
</span><span class="marked0"><a name="line118"></a>..118 Value.
</span><span class="inferred0"><a name="line119"></a>..119
</span><span class="inferred0"><a name="line120"></a>..120 %% @hidden
</span><span class="inferred0"><a name="line121"></a>..121 encode_field_tag(FieldID, FieldType) when FieldID band 16#3fffffff =:= FieldID ->
</span><span class="marked0"><a name="line122"></a>..122 encode_varint((FieldID bsl 3) bor FieldType).
</span><span class="inferred0"><a name="line123"></a>..123
</span><span class="inferred0"><a name="line124"></a>..124 %% @hidden
</span><span class="inferred0"><a name="line125"></a>..125 encode_varint_field(FieldID, Integer) ->
</span><span class="marked0"><a name="line126"></a>..126 [encode_field_tag(FieldID, ?TYPE_VARINT), encode_varint(Integer)].
</span><span class="inferred0"><a name="line127"></a>..127
</span><span class="inferred0"><a name="line128"></a>..128 %% @hidden
</span><span class="inferred0"><a name="line129"></a>..129 encode_varint(I) when I band 16#7f =:= I ->
</span><span class="marked0"><a name="line130"></a>..130 I;
</span><span class="inferred0"><a name="line131"></a>..131 encode_varint(I) when I band 16#3fff =:= I ->
</span><span class="marked0"><a name="line132"></a>..132 <<(16#80 bor (I bsr 7)), (I band 16#7f)>>;
</span><span class="inferred0"><a name="line133"></a>..133 encode_varint(I) when I band 16#1fffff =:= I ->
</span><span class="uncovered0"><a name="line134"></a>..134 <<(16#80 bor (I bsr 14)),
</span><span class="inferred0"><a name="line135"></a>..135 (16#80 bor (I bsr 7) band 16#ff), (I band 16#7f)>>;
</span><span class="inferred0"><a name="line136"></a>..136 encode_varint(I) when I band 16#fffffff =:= I ->
</span><span class="uncovered0"><a name="line137"></a>..137 <<(16#80 bor (I bsr 21)), (16#80 bor (I bsr 14) band 16#ff),
</span><span class="inferred0"><a name="line138"></a>..138 (16#80 bor (I bsr 7) band 16#ff), (I band 16#7f)>>;
</span><span class="inferred0"><a name="line139"></a>..139 encode_varint(I) when I band 16#7ffffffff =:= I ->
</span><span class="uncovered0"><a name="line140"></a>..140 <<(16#80 bor (I bsr 28)),
</span><span class="inferred0"><a name="line141"></a>..141 (16#80 bor (I bsr 21) band 16#ff), (16#80 bor (I bsr 14) band 16#ff),
</span><span class="inferred0"><a name="line142"></a>..142 (16#80 bor (I bsr 7) band 16#ff), (I band 16#7f)>>;
</span><span class="inferred0"><a name="line143"></a>..143 encode_varint(I) when I band 16#3ffffffffff =:= I ->
</span><span class="uncovered0"><a name="line144"></a>..144 <<(16#80 bor (I bsr 35)), (16#80 bor (I bsr 28) band 16#ff),
</span><span class="inferred0"><a name="line145"></a>..145 (16#80 bor (I bsr 21) band 16#ff), (16#80 bor (I bsr 14) band 16#ff),
</span><span class="inferred0"><a name="line146"></a>..146 (16#80 bor (I bsr 7) band 16#ff), (I band 16#7f)>>;
</span><span class="inferred0"><a name="line147"></a>..147 encode_varint(I) when I band 16#1ffffffffffff =:= I ->
</span><span class="uncovered0"><a name="line148"></a>..148 <<(16#80 bor (I bsr 42)),
</span><span class="inferred0"><a name="line149"></a>..149 (16#80 bor (I bsr 35) band 16#ff), (16#80 bor (I bsr 28) band 16#ff),
</span><span class="inferred0"><a name="line150"></a>..150 (16#80 bor (I bsr 21) band 16#ff), (16#80 bor (I bsr 14) band 16#ff),
</span><span class="inferred0"><a name="line151"></a>..151 (16#80 bor (I bsr 7) band 16#ff), (I band 16#7f)>>;
</span><span class="inferred0"><a name="line152"></a>..152 encode_varint(I) when I band 16#ffffffffffffff =:= I ->
</span><span class="uncovered0"><a name="line153"></a>..153 <<(16#80 bor (I bsr 49) band 16#ff), (16#80 bor (I bsr 42) band 16#ff),
</span><span class="inferred0"><a name="line154"></a>..154 (16#80 bor (I bsr 35) band 16#ff), (16#80 bor (I bsr 28) band 16#ff),
</span><span class="inferred0"><a name="line155"></a>..155 (16#80 bor (I bsr 21) band 16#ff), (16#80 bor (I bsr 14) band 16#ff),
</span><span class="inferred0"><a name="line156"></a>..156 (16#80 bor (I bsr 7) band 16#ff), (I band 16#7f)>>;
</span><span class="inferred0"><a name="line157"></a>..157 encode_varint(I) when I band 16#7fffffffffffffff =:= I ->
</span><span class="uncovered0"><a name="line158"></a>..158 <<(16#80 bor (I bsr 56)),
</span><span class="inferred0"><a name="line159"></a>..159 (16#80 bor (I bsr 49) band 16#ff), (16#80 bor (I bsr 42) band 16#ff),
</span><span class="inferred0"><a name="line160"></a>..160 (16#80 bor (I bsr 35) band 16#ff), (16#80 bor (I bsr 28) band 16#ff),
</span><span class="inferred0"><a name="line161"></a>..161 (16#80 bor (I bsr 21) band 16#ff), (16#80 bor (I bsr 14) band 16#ff),
</span><span class="inferred0"><a name="line162"></a>..162 (16#80 bor (I bsr 7) band 16#ff), (I band 16#7f)>>;
</span><span class="inferred0"><a name="line163"></a>..163 encode_varint(I) when I band 16#ffffffffffffffff =:= I ->
</span><span class="uncovered0"><a name="line164"></a>..164 <<(16#80 bor (I bsr 63) band 16#81), (16#80 bor (I bsr 56) band 16#ff),
</span><span class="inferred0"><a name="line165"></a>..165 (16#80 bor (I bsr 49) band 16#ff), (16#80 bor (I bsr 42) band 16#ff),
</span><span class="inferred0"><a name="line166"></a>..166 (16#80 bor (I bsr 35) band 16#ff), (16#80 bor (I bsr 28) band 16#ff),
</span><span class="inferred0"><a name="line167"></a>..167 (16#80 bor (I bsr 21) band 16#ff), (16#80 bor (I bsr 14) band 16#ff),
</span><span class="inferred0"><a name="line168"></a>..168 (16#80 bor (I bsr 7) band 16#ff), (I band 16#7f)>>.
</span><span class="inferred0"><a name="line169"></a>..169
</span><span class="inferred0"><a name="line170"></a>..170 %% @hidden
</span><span class="inferred0"><a name="line171"></a>..171 decode_varint(Bytes) ->
</span><span class="marked0"><a name="line172"></a>..172 decode_varint(Bytes, 0).
</span><span class="inferred0"><a name="line173"></a>..173
</span><span class="inferred0"><a name="line174"></a>..174 %% @hidden
</span><span class="inferred0"><a name="line175"></a>..175 decode_varint(<<0:1, I:7, Rest/binary>>, Accum) when Accum =< 16#3ffffffffffffff ->
</span><span class="marked0"><a name="line176"></a>..176 {Accum bsl 7 bor I, Rest};
</span><span class="inferred0"><a name="line177"></a>..177 decode_varint(<<1:1, I:7, Rest/binary>>, Accum) ->
</span><span class="marked0"><a name="line178"></a>..178 decode_varint(Rest, Accum bsl 7 bor I).
</span><span class="inferred0"><a name="line179"></a>..179
</span><span class="inferred0"><a name="line180"></a>..180 %% @hidden
</span><span class="marked0"><a name="line181"></a>..181 decode_many(<<>>, Acc) -> lists:keysort(1, Acc);
</span><span class="inferred0"><a name="line182"></a>..182 decode_many(Bytes, Acc) ->
</span><span class="marked0"><a name="line183"></a>..183 {A, B} = decode(Bytes, bytes),
</span><span class="marked0"><a name="line184"></a>..184 decode_many(B, [A | Acc]).
</span></pre><hr /><p>Generated using <a href='http://github.com/ngerakines/etap'>etap 0.3.3</a>.</p>
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