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# SPDX-FileCopyrightText: 2014 MicroPython & CircuitPython contributors (https://github.com/adafruit/circuitpython/graphs/contributors)

#

# SPDX-License-Identifier: MIT

# Reads in a text file, and performs the necessary escapes so that it

# can be #included as a static string like:

# static const char string_from_textfile[] =

# #include "build/textfile.h"

# ;

# This script simply prints the escaped string straight to stdout

from __future__ import print_function

import sys

# Can either be set explicitly, or left blank to auto-detect

# Except auto-detect doesn't work because the file has been passed

# through Python text processing, which makes all EOL a \n

line_end = '\\r\\n'

if __name__ == "__main__":

filename = sys.argv[1]

for line in open(filename, 'r').readlines():

if not line_end:

for ending in ('\r\n', '\r', '\n'):

if line.endswith(ending):

line_end = ending.replace('\r', '\\r').replace('\n', '\\n')

break

if not line_end:

raise Exception("Couldn't auto-detect line-ending of %s" % filename)

line = line.rstrip('\r\n')

line = line.replace('\\', '\\\\')

line = line.replace('"', '\\"')

print('"%s%s"' % (line, line_end))