mirror of
https://github.com/CoolProp/CoolProp.git
synced 2026-01-21 03:48:08 -05:00
76 lines
2.8 KiB
Python
76 lines
2.8 KiB
Python
from __future__ import print_function
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import json as pyjson
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from datetime import datetime
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import struct
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import os
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import argparse, textwrap
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# 0: Input file path relative to dev folder
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# 1: Output file path relative to include folder
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# 2: Name of variable
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values = [
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('all_fluids.json','all_fluids_JSON.h','all_fluids_JSON'),
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('mixtures/mixture_excess_term.json', 'mixture_excess_term_JSON.h', 'mixture_excess_term_JSON'),
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('mixtures/mixture_reducing_parameters.json', 'mixture_reducing_parameters_JSON.h', 'mixture_reducing_parameters_JSON')
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]
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def TO_CPP(root_dir):
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def to_chunks(l, n):
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if n<1:
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n=1
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return [l[i:i+n] for i in range(0, len(l), n)]
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# Normalise path name
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root_dir = os.path.normpath(root_dir)
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# First we package up the JSON files
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import package_json
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package_json.package_json(root_dir)
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for infile,outfile,variable in values:
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json = open(os.path.join(root_dir,'dev',infile),'r').read()
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# Encode as ASCII characters
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json = json.encode('ascii')
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# convert each character to hex and add a terminating NULL character to end the
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# string, join into a comma separated string
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h = [str(hex(b)) for b in json] + [str('0x00')]
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# Break up the file into lines of 16 hex characters
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chunks = to_chunks(h, 16)
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# Put the lines back together again
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# The chunks are joined together with commas, and then EOL are used to join the rest
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hex_string = ',\n'.join([', '.join(chunk) for chunk in chunks])
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# Generate the output string
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output = '// File generated by the script dev/JSON_to_CPP.py on '+ str(datetime.now()) + '\n\n'
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output += '// JSON file encoded in binary form\n'
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output += 'const unsigned char '+variable+'_binary[] = {\n' + hex_string + '\n};'+'\n\n'
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output += '// Combined into a single std::string \n'
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output += 'std::string {v:s}({v:s}_binary, {v:s}_binary + sizeof({v:s}_binary)/sizeof({v:s}_binary[0]));'.format(v = variable)
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f = open(os.path.join(root_dir,'include',outfile), 'w')
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f.write(output)
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f.close()
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if __name__=='__main__':
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parser = argparse.ArgumentParser(
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formatter_class=argparse.RawDescriptionHelpFormatter,
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description=textwrap.dedent("""CoolProp
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This program converts the JSON files from dev/fluid etc
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to header files. It is necessary to give this program the
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value for --path, this is the root directory where
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dev/ can be found.""")
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)
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parser.add_argument('--path', required=False,
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help='Location of the root folder',
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default=None)
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args = parser.parse_args()
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TO_CPP(args.path) |