alibaba / hessian2-codec - Conditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 279 units with 2,435 lines of code in units (34.9% of code).

2 very complex units (203 lines of code)
3 complex units (177 lines of code)
6 medium complex units (332 lines of code)
11 simple units (342 lines of code)
257 very simple units (1,381 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
std::unique_ptr Decoder::decode() in hessian2/basic_codec/object_codec.cc	122	84	0
std::unique_ptr Decoder::decode() in hessian2/basic_codec/number_codec.cc	81	55	0
bool decodeStringWithReader() in hessian2/basic_codec/string_codec.cc	73	43	3
std::unique_ptr Decoder::decode() in hessian2/basic_codec/number_codec.cc	53	31	0
bool decodeBytesWithReader() in hessian2/basic_codec/byte_codec.cc	51	28	2
std::unique_ptr Decoder::decode() in hessian2/basic_codec/list_codec.cc	80	23	0
std::unique_ptr Decoder::decode() in hessian2/basic_codec/list_codec.cc	72	22	0
bool Encoder::encode() in hessian2/basic_codec/object_codec.cc	54	15	1
std::unique_ptr Decoder::decode() in hessian2/basic_codec/def_ref_codec.cc	47	13	0
std::unique_ptr Decoder::decode() in hessian2/basic_codec/number_codec.cc	37	11	0
std::string unescapeFourBytesUtf8Char() in hessian2/basic_codec/string_codec.cc	42	11	1
std::unique_ptr Decoder::decode() in hessian2/basic_codec/type_ref_codec.cc	26	9	0
bool Encoder::encode() in hessian2/basic_codec/number_codec.cc	25	9	1
bool Encoder::encode() in hessian2/basic_codec/string_codec.cc	62	9	1
bool Encoder::encode() in hessian2/basic_codec/number_codec.cc	27	8	1
std::unique_ptr Decoder::decode() in hessian2/basic_codec/class_instance_codec.cc	30	7	0
std::unique_ptr Decoder::decode() in hessian2/basic_codec/map_codec.cc	37	7	0
bool Encoder::encode() in hessian2/basic_codec/number_codec.cc	20	7	1
int64_t getUtf8StringLengthAndPerChunkOffsets() in hessian2/basic_codec/string_codec.cc	30	7	3
std::unique_ptr Decoder::decode() in hessian2/basic_codec/map_codec.cc	32	6	0
bool finalReadUtf8String() in hessian2/basic_codec/string_codec.cc	33	6	4
bool equal() in hessian2/object.hpp	20	6	1
std::unique_ptr readDate() in hessian2/basic_codec/date_codec.cc	19	5	1
bool Encoder::encode() in hessian2/basic_codec/byte_codec.cc	32	5	1
bool equal() in hessian2/object.hpp	16	5	1
bool Encoder::encode() in hessian2/basic_codec/list_codec.cc	21	4	1
bool Encoder::encode() in hessian2/basic_codec/def_ref_codec.cc	22	4	1
std::pair getUtf8StringLength() in hessian2/basic_codec/string_codec.cc	19	4	2
std::string escapeFourBytesUtf8Char() in hessian2/basic_codec/string_codec.cc	30	4	2
std::unique_ptr Decoder::decode() in hessian2/basic_codec/string_codec.cc	17	4	0
bool readBytes() in hessian2/basic_codec/byte_codec.cc	16	4	4
void Encoder::encodeFixedListBegin() in hessian2/codec.cc	14	4	2
std::string errorCodeToString() in hessian2/codec.hpp	11	4	0
int testBasicType() in example/mutiple_src/basic_type.cc	27	3	0
void fromHessian() in example/mutiple_src/custom_type.cc	10	3	2
int main() in example/basic_type.cc	27	3	0
void fromHessian() in example/custom_type.cc	10	3	2
std::unique_ptr Decoder::decode() in hessian2/basic_codec/ref_object_codec.cc	13	3	0
std::unique_ptr GenerateTypedListTestObject() in hessian2/basic_codec/list_codec_unittests.cc	69	3	0
bool Encoder::encode() in hessian2/basic_codec/list_codec.cc	17	3	1
std::unique_ptr Decoder::decode() in hessian2/basic_codec/bool_codec.cc	12	3	0
bool readChunkString() in hessian2/basic_codec/string_codec.cc	11	3	5
void readBE() in hessian2/string_reader_unittests.cc	9	3	1
void readLE() in hessian2/string_reader_unittests.cc	9	3	1
int16_t getDefRef() in hessian2/codec.hpp	8	3	1
size_t hash() in hessian2/object.hpp	11	3	0
std::string toDebugString() in hessian2/object.hpp	12	3	0
static std::string stringToHex() in common/common.h	9	2	1
inline void ignoreUnused() in common/macros.h	1	2	1
virtual void rawWrite() in example/reader_writer.cc	6	2	2