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path: root/misc/scripts/fix_headers.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-

header = """\
/*************************************************************************/
/*  $filename                                                            */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/
"""

files = open("files", "rb")

fname = files.readline()

while (fname != ""):

    # Handle replacing $filename with actual filename and keep alignment
    fsingle = fname.strip()
    if (fsingle.find("/") != -1):
        fsingle = fsingle[fsingle.rfind("/") + 1:]
    rep_fl = "$filename"
    rep_fi = fsingle
    len_fl = len(rep_fl)
    len_fi = len(rep_fi)
    # Pad with spaces to keep alignment
    if (len_fi < len_fl):
        for x in range(len_fl - len_fi):
            rep_fi += " "
    elif (len_fl < len_fi):
        for x in range(len_fi - len_fl):
            rep_fl += " "
    if (header.find(rep_fl) != -1):
        text = header.replace(rep_fl, rep_fi)
    else:
        text = header.replace("$filename", fsingle)
    text += "\n"

    # We now have the proper header, so we want to ignore the one in the original file
    # and potentially empty lines and badly formatted lines, while keeping comments that
    # come after the header, and then keep everything non-header unchanged.
    # To do so, we skip empty lines that may be at the top in a first pass.
    # In a second pass, we skip all consecutive comment lines starting with "/*",
    # then we can append the rest (step 2).

    fileread = open(fname.strip(), "rb")
    line = fileread.readline()
    header_done = False

    while (line.strip() == ""): # Skip empty lines at the top
        line = fileread.readline()

    if (line.find("/**********") == -1): # Godot header starts this way
        # Maybe starting with a non-Godot comment, abort header magic
        header_done = True

    while (not header_done): # Handle header now
        if (line.find("/*") != 0): # No more starting with a comment
            header_done = True
            if (line.strip() != ""):
                text += line
        line = fileread.readline()

    while (line != ""): # Dump everything until EOF
        text += line
        line = fileread.readline()

    fileread.close()

    # Write
    filewrite = open(fname.strip(), "wb")
    filewrite.write(text)
    filewrite.close()

    # Next file
    fname = files.readline()

files.close()