Here is a list of all files with brief descriptions:

binary_reader.cpp
binary_reader.h
binary_writer.cpp
binary_writer.h
configuration.h
data.cpp
data.h
data_pointer.cpp
data_pointer.h
label.h
loader_functions.cpp
loader_functions.h
map.cpp
map.h
node.cpp
node.h
node_type.h
read.cpp
read.h
reader.cpp
reader.h
reader_writer.cpp
reader_writer.h
resolve_config.h
resolve_functions.cpp
resolve_functions.h
rosconsole_bridge.cpp
sdf.cpp
sdf.h
sdf_gtest.cpp
sequence.cpp
sequence.h
test.cpp
test_config.cpp
test_sdf_and_show.cpp
test_variant.cpp
test_xml_and_show.cpp
test_yaml_and_show.cpp
types.h
variant.h
write.cpp
write.h
writer.cpp
writer.h
xml.cpp
xml.h
yaml.cpp
yaml.h
yaml_emitter.cpp
yaml_emitter.h