make_data_cpp Namespace Reference

Functions
	iterate_as_uint32 (path)
	convert (fmt, name, src_path, dst_path)

Variables
tuple	cpp

Detailed Description

Generate a source file containing the given binary data.

Output type is C++.

Function Documentation

convert()

make_data_cpp.convert	(		fmt,
			name,
			src_path,
			dst_path
	)

Definition at line 31 of file make_data_cpp.py.

def convert(fmt, name, src_path, dst_path):
    header, line_begin, line_end, footer = fmt
    assert os.path.exists(src_path)
    src = iterate_as_uint32(src_path)
    with open(dst_path, 'w') as o:
        o.write(header.format(name))
        while True:
            line = ','.join('%d' % v for _, v in zip(range(8), src))
            if not line:
                break
            o.write('%s%s%s\n' % (line_begin, line, line_end))
        o.write(footer.format(name))
 
 

iterate_as_uint32()

make_data_cpp.iterate_as_uint32

(

path

)

Definition at line 20 of file make_data_cpp.py.

def iterate_as_uint32(path):
    with open(path, 'rb') as f:
        s = struct.Struct('@I')
        assert s.size == 4
        mm = mmap.mmap(f.fileno(), 0, access=mmap.ACCESS_READ)
        assert (len(mm) % s.size) == 0
        for offset in range(0, len(mm), s.size):
            yield s.unpack_from(mm, offset)[0]
        mm.close()
 
 

Variable Documentation

cpp

tuple make_data_cpp.cpp

Initial value:

=  ('#include <cstdint>\nextern "C" uint32_t {0}[] __attribute__((aligned(16))) = {{\n',
       '', ',', '}};\n')

Definition at line 45 of file make_data_cpp.py.