168 lines
4.4 KiB
Python
168 lines
4.4 KiB
Python
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import fnmatch
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import os.path
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import sys
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import re
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def print_help():
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print(
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"""usage: python single_header_packer.py --macro <macro> [--intro <files>] --extern <files> --pub <files> --priv1 <files> --priv2 <files> [--outro <files>]
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where <files> can be a comma-separated list of files. e.g. --priv *.c,inc/*.h
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The 'extern' files are placed between 'priv1' and 'priv2'.
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The resulting code is packed as follows:
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/*
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[intro file contents]
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*/
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#ifndef <macro>_SINGLE_HEADER
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#define <macro>_SINGLE_HEADER
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[public header file contents]
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#endif /* <macro>_SINGLE_HEADER */
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#ifdef <macro>_IMPLEMENTATION
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[private header and source file contents]
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#endif /* <macro>_IMPLEMENTATION */
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/*
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[outro file contents]
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*/""")
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def parse_files(arg):
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files = []
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paths = arg.split(",")
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for path in paths:
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if "*" in path:
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# Wildcard
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d = os.path.dirname(path)
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if d == "": d = "."
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if d == " ": continue
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if not os.path.exists(d):
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print(d + " does not exist.")
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exit()
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wildcard = os.path.basename(path)
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unsorted = []
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for file in os.listdir(d):
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if fnmatch.fnmatch(file, wildcard):
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unsorted.append(os.path.join(d, file))
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unsorted.sort()
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files.extend(unsorted)
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else:
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# Regular file
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if not os.path.exists(path):
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print(path + " does not exist.")
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exit()
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elif os.path.isdir(path):
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print(path + " is a directory. Expected a file name.")
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exit()
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else:
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files.append(path)
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return files;
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def omit_includes(str, files):
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for file in files:
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fname = os.path.basename(file)
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if ".h" in file:
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str = str.replace("#include \"" + fname + "\"", "");
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str = str.replace("#include <" + fname + ">", "");
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return str
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def fix_comments(str):
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return re.sub(r"//(.*)(\n|$)", "/* \\1 */\\2", str)
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# Main start
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# ==========
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if len(sys.argv) < 2:
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print_help()
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exit()
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intro_files = []
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pub_files = []
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priv_files1 = []
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outro_files2 = []
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extern_files = []
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cur_arg = 1
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macro = ""
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# Parse args
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# ----------
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while cur_arg < len(sys.argv):
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if sys.argv[cur_arg] == "--help":
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print_help()
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exit()
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elif sys.argv[cur_arg] == "--macro":
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cur_arg += 1
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macro = sys.argv[cur_arg]
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elif sys.argv[cur_arg] == "--intro":
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cur_arg += 1
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intro_files = parse_files(sys.argv[cur_arg])
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elif sys.argv[cur_arg] == "--pub":
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cur_arg += 1
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pub_files = parse_files(sys.argv[cur_arg])
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elif sys.argv[cur_arg] == "--priv1":
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cur_arg += 1
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priv_files1 = parse_files(sys.argv[cur_arg])
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elif sys.argv[cur_arg] == "--priv2":
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cur_arg += 1
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priv_files2 = parse_files(sys.argv[cur_arg])
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elif sys.argv[cur_arg] == "--extern":
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cur_arg += 1
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extern_files = parse_files(sys.argv[cur_arg])
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elif sys.argv[cur_arg] == "--outro":
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cur_arg += 1
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outro_files = parse_files(sys.argv[cur_arg])
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else:
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print("Unknown argument " + sys.argv[cur_arg])
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cur_arg += 1
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if macro == "":
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print("Option --macro <macro> is mandatory")
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exit()
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# Print concatenated output
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# -------------------------
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print("/*")
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for f in intro_files:
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sys.stdout.write(open(f, 'r').read())
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print("*/")
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# print("\n#ifndef " + macro + "_SINGLE_HEADER");
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# print("#define " + macro + "_SINGLE_HEADER");
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print("#ifndef NK_SINGLE_FILE");
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print(" #define NK_SINGLE_FILE");
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print("#endif");
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print("");
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for f in pub_files:
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sys.stdout.write(open(f, 'r').read())
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# print("#endif /* " + macro + "_SINGLE_HEADER */");
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print("\n#ifdef " + macro + "_IMPLEMENTATION");
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print("");
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for f in priv_files1:
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print(omit_includes(open(f, 'r').read(),
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pub_files + priv_files1 + priv_files2 + extern_files))
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for f in extern_files:
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print(fix_comments(open(f, 'r').read()))
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for f in priv_files2:
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print(omit_includes(open(f, 'r').read(),
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pub_files + priv_files1 + priv_files2 + extern_files))
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print("#endif /* " + macro + "_IMPLEMENTATION */");
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print("\n/*")
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for f in outro_files:
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sys.stdout.write(open(f, 'r').read())
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print("*/\n")
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