#!/usr/bin/env python import os, sys, string, io try: from StringIO import StringIO except ImportError: from io import StringIO ANY=1 COPY=2 SKIP=3 SKIPONE=4 COPYDEFINE=5 state = ANY static = 0 file = io.open(sys.argv[1], "r", encoding="utf-8") name = sys.argv[1][:-2] out = StringIO() selfheader = '#include "' + name + '.h"' out.write( "/* Do not edit this file. It was automatically generated. */\n" ) out.write( "\n" ) out.write( "#ifndef HEADER_" + os.path.basename(name) + "\n") out.write( "#define HEADER_" + os.path.basename(name) + "\n") is_blank = False for line in file.readlines(): line = line[:-1] if state == ANY: if line == '/*{': state = COPY elif line == selfheader: pass elif line.find("#include") == 0: pass elif line.find("htop - ") == 0 and line[-2:] == ".c": out.write(line[:-2] + ".h\n") elif line.find("static ") != -1: if line[-1] == "{": state = SKIP static = 1 else: state = SKIPONE elif len(line) > 1: static = 0 equals = line.find(" = ") if line[:7] == "#define": if line[-1:] == "\\": state = COPYDEFINE out.write( line + "\n") elif line[-3:] == "= {": out.write( "extern " + line[:-4] + ";\n" ) state = SKIP elif equals != -1: out.write("extern " + line[:equals] + ";\n" ) elif line.startswith("typedef struct"): state = SKIP elif line[-1] == "{": out.write( line[:-2].replace("inline", "extern") + ";\n" ) state = SKIP else: out.write( line + "\n" ) is_blank = False elif line == "": if not is_blank: out.write( line + "\n") is_blank = True else: out.write( line + "\n") is_blank = False elif state == COPYDEFINE: is_blank = False out.write( line + "\n") if line[-1:] != "\\": state = ANY elif state == COPY: is_blank = False if line == "}*/": state = ANY else: out.write( line + "\n") elif state == SKIP: is_blank = False if len(line) >= 1 and line[0] == "}": if static == 1: state = SKIPONE else: state = ANY static = 0 elif state == SKIPONE: is_blank = False state = ANY out.write( "\n" ) out.write( "#endif\n" ) # only write a new .h file if something changed. # This prevents a lot of recompilation during development out.seek(0) try: with io.open(name + ".h", "r", encoding="utf-8") as orig: origcontents = orig.readlines() except: origcontents = "" if origcontents != out.readlines(): with io.open(name + ".h", "w", encoding="utf-8") as new: print("Writing "+name+".h") new.write(out.getvalue()) out.close()