mirror of
https://github.com/InfiniTimeOrg/InfiniTime.git
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74 lines
2.1 KiB
Python
74 lines
2.1 KiB
Python
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#!/usr/bin/env python
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#-*- coding: utf-8 -*-
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"""
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bin2c
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~~~~~
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Simple tool for creating C array from a binary file.
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:copyright: (c) 2016 by Dmitry Alimov.
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:license: The MIT License (MIT), see LICENSE for more details.
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"""
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import argparse
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import os
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import re
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import sys
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PY3 = sys.version_info[0] == 3
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def bin2c(filename, varname='data', linesize=80, indent=4):
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""" Read binary data from file and return as a C array
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:param filename: a filename of a file to read.
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:param varname: a C array variable name.
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:param linesize: a size of a line (min value is 40).
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:param indent: an indent (number of spaces) that prepend each line.
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"""
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if not os.path.isfile(filename):
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print('File "%s" is not found!' % filename)
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return ''
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if not re.match('[a-zA-Z_][a-zA-Z0-9_]*', varname):
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print('Invalid variable name "%s"' % varname)
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return
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with open(filename, 'rb') as in_file:
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data = in_file.read()
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# limit the line length
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if linesize < 40:
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linesize = 40
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byte_len = 6 # '0x00, '
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out = 'const char %s[%d] = {\n' % (varname, len(data))
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line = ''
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for byte in data:
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line += '0x%02x, ' % (byte if PY3 else ord(byte))
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if len(line) + indent + byte_len >= linesize:
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out += ' ' * indent + line + '\n'
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line = ''
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# add the last line
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if len(line) + indent + byte_len < linesize:
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out += ' ' * indent + line + '\n'
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# strip the last comma
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out = out.rstrip(', \n') + '\n'
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out += '};'
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return out
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def main():
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""" Main func """
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'filename', help='filename to convert to C array')
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parser.add_argument(
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'varname', nargs='?', help='variable name', default='data')
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parser.add_argument(
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'linesize', nargs='?', help='line length', default=80, type=int)
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parser.add_argument(
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'indent', nargs='?', help='indent size', default=4, type=int)
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args = parser.parse_args()
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# print out the data
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print(bin2c(args.filename, args.varname, args.linesize, args.indent))
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if __name__ == '__main__':
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main()
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