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69 lines
1.6 KiB
Python
69 lines
1.6 KiB
Python
#!/usr/bin/python
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##
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## license:BSD-3-Clause
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## copyright-holders:Aaron Giles, Andrew Gardner
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from __future__ import with_statement
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import sys
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import os
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import zlib
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if len(sys.argv) < 4:
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print('Usage:')
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print(' complay <source.lay> <output.h> <varname>')
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print('')
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sys.exit(0)
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srcfile = sys.argv[1]
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dstfile = sys.argv[2]
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varname = sys.argv[3]
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type = 'UINT8'
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try:
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myfile = open(srcfile, 'rb')
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except IOError:
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sys.stderr.write("Unable to open source file '%s'\n" % srcfile)
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sys.exit(-1)
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byteCount = os.path.getsize(srcfile)
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compsize = 0
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compressiontype = 1
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try:
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dst = open(dstfile,'w')
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dst.write('const %s %s_data[] =\n{\n\t' % ( type, varname))
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offs = 0
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with open(srcfile, "rb") as src:
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while True:
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chunk = src.read(byteCount)
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if chunk:
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compchunk = bytearray(zlib.compress(chunk, 9))
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compsize = len(compchunk)
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for b in compchunk:
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dst.write('%d' % b)
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offs += 1
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if offs != compsize:
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dst.write(',')
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else:
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break
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dst.write('\n\t')
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dst.write('\n};\n')
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except IOError:
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sys.stderr.write("Unable to open output file '%s'\n" % dstfile)
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sys.exit(-1)
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try:
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dst.write('extern const internal_layout %s;\n' % ( varname ))
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dst.write('const internal_layout %s = { \n\t' % ( varname ))
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dst.write('%d,%d,%d,%s_data\n' % ( byteCount, compsize, compressiontype, varname ))
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dst.write('\n};\n')
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dst.close()
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except IOError:
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sys.stderr.write("Unable to open output file '%s'\n" % dstfile)
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sys.exit(-1)
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