mirror of
https://github.com/Virtual-World-RE/NeoGF.git
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USA charset fix & comments
Fixed simple and double quote in both direction to None in USA charset. Added comments
This commit is contained in:
tmpz23
GitHub
parent
249082a692
commit
eeac1592a4
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@ -5,18 +5,58 @@ from math import ceil
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from pathlib import Path
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__version__ = "0.0.1"
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__version__ = "0.0.2"
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__author__ = "rigodron, algoflash, GGLinnk, CrystalPixel"
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__license__ = "MIT"
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__status__ = "developpement"
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# JAP charset is not implemented yet.
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AVAILABLE_CHARSETS = ["USA", "EU"]
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TPL_MAGIC_NUMBER = b"\x00\x20\xAF\x30"
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# EU charset is shared between EN / FR / GER mdt
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EU_CHARSET = { b"\x21\x21": "¡", b"\x21\x3f": "¿", b"\x21\x43": "Ç", b"\x21\x4e": "Ñ",
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b"\x21\x62": "ß", b"\x21\x63": "ç", b"\x21\x6e": "ñ", b"\x22\x41": "Ä",
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b"\x22\x45": "Ë", b"\x22\x49": "Ï", b"\x22\x4f": "Ö", b"\x22\x55": "Ü",
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b"\x22\x61": "ä", b"\x22\x65": "ë", b"\x22\x69": "ï", b"\x22\x6f": "ö",
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b"\x22\x75": "ü", b"\x27\x41": "Á", b"\x27\x45": "É", b"\x27\x49": "Í",
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b"\x27\x4f": "Ó", b"\x27\x55": "Ú", b"\x27\x61": "á", b"\x27\x65": "é",
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b"\x27\x69": "í", b"\x27\x6f": "ó", b"\x27\x75": "ú", b"\x41\x45": "Æ",
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b"\x4f\x45": "Œ", b"\x5e\x41": "Â", b"\x5e\x45": "Ê", b"\x5e\x49": "Î",
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b"\x5e\x4f": "Ô", b"\x5e\x55": "Û", b"\x5e\x61": "â", b"\x5e\x65": "ê",
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b"\x5e\x69": "î", b"\x5e\x6f": "ô", b"\x5e\x75": "û", b"\x60\x41": "À",
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b"\x60\x45": "È", b"\x60\x49": "Ì", b"\x60\x4f": "Ò", b"\x60\x55": "Ù",
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b"\x60\x61": "à", b"\x60\x65": "è", b"\x60\x69": "ì", b"\x60\x6f": "ò",
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b"\x60\x75": "ù", b"\x61\x65": "æ", b"\x6f\x65": "œ", b"\x81\x43": ",",
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b"\x81\x44": ".", b"\x81\x45": "°", b"\x81\x46": ":", b"\x81\x47": ";",
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b"\x81\x48": "?", b"\x81\x49": "!", b"\x81\x51": "_", b"\x81\x5e": "/",
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# singles and double quotes x4 (inclined in both direction)
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b"\x81\x65": None, b"\x81\x66": None, b"\x81\x67": None, b"\x81\x68": None,
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b"\x81\x69": "(", b"\x81\x6a": ")", b"\x81\x7b": "+", b"\x81\x7c": "-",
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b"\x81\x7e": "×", b"\x81\x80": "÷", b"\x81\x81": "=", b"\x81\x83": "<",
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b"\x81\x84": ">", b"\x81\x93": "%", b"\x81\x94": "#", b"\x81\x95": "&",
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b"\x81\x96": "*", b"\x81\x97": "@", b"\x81\xa5": None, b"\x82\x4f": "0",
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b"\x82\x50": "1", b"\x82\x51": "2", b"\x82\x52": "3", b"\x82\x53": "4",
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b"\x82\x54": "5", b"\x82\x55": "6", b"\x82\x56": "7", b"\x82\x57": "8",
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b"\x82\x58": "9", b"\x82\x60": "A", b"\x82\x61": "B", b"\x82\x62": "C",
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b"\x82\x63": "D", b"\x82\x64": "E", b"\x82\x65": "F", b"\x82\x66": "G",
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b"\x82\x67": "H", b"\x82\x68": "I", b"\x82\x69": "J", b"\x82\x6a": "K",
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b"\x82\x6b": "L", b"\x82\x6c": "M", b"\x82\x6d": "N", b"\x82\x6e": "O",
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b"\x82\x6f": "P", b"\x82\x70": "Q", b"\x82\x71": "R", b"\x82\x72": "S",
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b"\x82\x73": "T", b"\x82\x74": "U", b"\x82\x75": "V", b"\x82\x76": "W",
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b"\x82\x77": "X", b"\x82\x78": "Y", b"\x82\x79": "Z", b"\x82\x81": "a",
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b"\x82\x82": "b", b"\x82\x83": "c", b"\x82\x84": "d", b"\x82\x85": "e",
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b"\x82\x86": "f", b"\x82\x87": "g", b"\x82\x88": "h", b"\x82\x89": "i",
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b"\x82\x8a": "j", b"\x82\x8b": "k", b"\x82\x8c": "l", b"\x82\x8d": "m",
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b"\x82\x8e": "n", b"\x82\x8f": "o", b"\x82\x90": "p", b"\x82\x91": "q",
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b"\x82\x92": "r", b"\x82\x93": "s", b"\x82\x94": "t", b"\x82\x95": "u",
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b"\x82\x96": "v", b"\x82\x97": "w", b"\x82\x98": "x", b"\x82\x99": "y",
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b"\x82\x9a": "z"}
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USA_CHARSET = { b"\x81\x43": ",", b"\x81\x44": ".", b"\x81\x45": "°", b"\x81\x46": ":",
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b"\x81\x47": ";", b"\x81\x48": "?", b"\x81\x49": "!", b"\x81\x51": "_",
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b"\x81\x5e": "/", b"\x81\x65": None, b"\x81\x66": "'", b"\x81\x67": "«",
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b"\x81\x68": "\"", b"\x81\x69": "(", b"\x81\x6a": ")", b"\x81\x7b": "+",
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# singles and double quotes x4 (inclined in both direction)
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b"\x81\x5e": "/", b"\x81\x65": None, b"\x81\x66": None, b"\x81\x67": None,
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b"\x81\x68": None, b"\x81\x69": "(", b"\x81\x6a": ")", b"\x81\x7b": "+",
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b"\x81\x7c": "-", b"\x81\x7e": "×", b"\x81\x80": "÷", b"\x81\x81": "=",
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b"\x81\x83": "<", b"\x81\x84": ">", b"\x81\x93": "%", b"\x81\x94": "#",
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b"\x81\x95": "&", b"\x81\x96": "*", b"\x81\x97": "@", b"\x81\xa5": None,
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@ -39,45 +79,12 @@ USA_CHARSET = { b"\x81\x43": ",", b"\x81\x44": ".", b"\x81\x45": "°", b"\x81\x4
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b"\x8c\xba": None, b"\x8c\xd5": None, b"\x8e\xe9": None, b"\x90\x9d": None,
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b"\x90\xc2": None, b"\x92\xb4": None, b"\x94\x92": None, b"\x95\x90": None,
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b"\x97\xb4": None}
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EU_CHARSET = { b"\x21\x21": "¡", b"\x21\x3f": "¿", b"\x21\x43": "Ç", b"\x21\x4e": "Ñ",
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b"\x21\x62": "ß", b"\x21\x63": "ç", b"\x21\x6e": "ñ", b"\x22\x41": "Ä",
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b"\x22\x45": "Ë", b"\x22\x49": "Ï", b"\x22\x4f": "Ö", b"\x22\x55": "Ü",
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b"\x22\x61": "ä", b"\x22\x65": "ë", b"\x22\x69": "ï", b"\x22\x6f": "ö",
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b"\x22\x75": "ü", b"\x27\x41": "Á", b"\x27\x45": "É", b"\x27\x49": "Í",
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b"\x27\x4f": "Ó", b"\x27\x55": "Ú", b"\x27\x61": "á", b"\x27\x65": "é",
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b"\x27\x69": "í", b"\x27\x6f": "ó", b"\x27\x75": "ú", b"\x41\x45": "Æ",
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b"\x4f\x45": "Œ", b"\x5e\x41": "Â", b"\x5e\x45": "Ê", b"\x5e\x49": "Î",
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b"\x5e\x4f": "Ô", b"\x5e\x55": "Û", b"\x5e\x61": "â", b"\x5e\x65": "ê",
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b"\x5e\x69": "î", b"\x5e\x6f": "ô", b"\x5e\x75": "û", b"\x60\x41": "À",
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b"\x60\x45": "È", b"\x60\x49": "Ì", b"\x60\x4f": "Ò", b"\x60\x55": "Ù",
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b"\x60\x61": "à", b"\x60\x65": "è", b"\x60\x69": "ì", b"\x60\x6f": "ò",
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b"\x60\x75": "ù", b"\x61\x65": "æ", b"\x6f\x65": "œ", b"\x81\x43": ",",
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b"\x81\x44": ".", b"\x81\x45": "°", b"\x81\x46": ":", b"\x81\x47": ";",
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b"\x81\x48": "?", b"\x81\x49": "!", b"\x81\x51": "_", b"\x81\x5e": "/",
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b"\x81\x65": None, b"\x81\x66": None, b"\x81\x67": None, b"\x81\x68": None,
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b"\x81\x69": "(", b"\x81\x6a": ")", b"\x81\x7b": "+", b"\x81\x7c": "-",
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b"\x81\x7e": "×", b"\x81\x80": "÷", b"\x81\x81": "=", b"\x81\x83": "<",
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b"\x81\x84": ">", b"\x81\x93": "%", b"\x81\x94": "#", b"\x81\x95": "&",
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b"\x81\x96": "*", b"\x81\x97": "@", b"\x81\xa5": None, b"\x82\x4f": "0",
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b"\x82\x50": "1", b"\x82\x51": "2", b"\x82\x52": "3", b"\x82\x53": "4",
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b"\x82\x54": "5", b"\x82\x55": "6", b"\x82\x56": "7", b"\x82\x57": "8",
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b"\x82\x58": "9", b"\x82\x60": "A", b"\x82\x61": "B", b"\x82\x62": "C",
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b"\x82\x63": "D", b"\x82\x64": "E", b"\x82\x65": "F", b"\x82\x66": "G",
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b"\x82\x67": "H", b"\x82\x68": "I", b"\x82\x69": "J", b"\x82\x6a": "K",
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b"\x82\x6b": "L", b"\x82\x6c": "M", b"\x82\x6d": "N", b"\x82\x6e": "O",
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b"\x82\x6f": "P", b"\x82\x70": "Q", b"\x82\x71": "R", b"\x82\x72": "S",
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b"\x82\x73": "T", b"\x82\x74": "U", b"\x82\x75": "V", b"\x82\x76": "W",
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b"\x82\x77": "X", b"\x82\x78": "Y", b"\x82\x79": "Z", b"\x82\x81": "a",
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b"\x82\x82": "b", b"\x82\x83": "c", b"\x82\x84": "d", b"\x82\x85": "e",
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b"\x82\x86": "f", b"\x82\x87": "g", b"\x82\x88": "h", b"\x82\x89": "i",
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b"\x82\x8a": "j", b"\x82\x8b": "k", b"\x82\x8c": "l", b"\x82\x8d": "m",
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b"\x82\x8e": "n", b"\x82\x8f": "o", b"\x82\x90": "p", b"\x82\x91": "q",
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b"\x82\x92": "r", b"\x82\x93": "s", b"\x82\x94": "t", b"\x82\x95": "u",
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b"\x82\x96": "v", b"\x82\x97": "w", b"\x82\x98": "x", b"\x82\x99": "y",
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b"\x82\x9a": "z"}
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# Use the next int16 without counting it in paragraph total length / max width
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SPECIAL_CHARS = [b"\x80\x02", b"\x80\x03"]
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# Don't use next int16
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SPECIAL_CHARS_2 = [b"\x80\x00"]
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# Raised during unpack when the charset is invalid.
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class InvalidCharsetError(Exception): pass
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@ -94,20 +101,40 @@ def align_top(offset:int, align:int):
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def bytes2_to_hex(data:bytes, skip_format=False):
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"Convert 2 bytes in hex format: \xab\xcd."
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return f"{data[0]:02x}{data[1]:02x}" if skip_format else f"\\x{data[0]:02x}\\x{data[1]:02x}"
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class TxtDat:
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"""
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TxtDat handle internal mdt file at position 0.
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Unpack extract data in txt files and pack join txt files back in the original format.
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"""
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PARAGRAPH_SEPARATOR = "\n--------------------------------\n"
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__HEADERALIGN = 32
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__path = None
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__symbols_count = None
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# symbol list contains the positionnal symbols translated from header in16 id to ascii
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__symbol_list = None
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# first offset containing a list of paragraphs offsets blocks -1 terminated
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__paragraph_offsets_blocks_list_offset = None
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def __init__(self, path:Path):
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"input: path = path of the unpacked mdt folder."
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self.__path = path
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self.__symbol_list = []
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def unpack(self, file_data:bytes, charset:str, charset_dict:dict):
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def unpack(self, file_data:bytes, charset:str):
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"""
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Extract all paragraphs blocks in files 0_N.txt with N the block number starting from 0.
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input: file_data = total datas of the file
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input: charset = charset used into it
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"""
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charset_dict = None
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if charset == "USA":
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charset_dict = USA_CHARSET
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elif charset == "EU":
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charset_dict = EU_CHARSET
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self.__paragraph_offsets_blocks_list_offset = int.from_bytes(file_data[:4], "big")
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self.__symbols_count = int.from_bytes(file_data[4:8], "big")
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@ -118,13 +145,18 @@ class TxtDat:
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self.__symbol_list.append( charset_dict[symbol_data] )
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conf_txt += ";" + bytes2_to_hex(symbol_data, skip_format=True)
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# conf store the charset used and the symbols id list in ascii.
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(self.__path / "conf.txt").write_text(conf_txt)
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# First we iterate in the paragraph offsets blocks list.
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# paragraph offset blocks list contains a list of offsets that point on paragraphs offsets blocks -1 terminated.
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# each extracted paragraph offset correspond to a 0_N.txt file.
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i = 0
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while True:
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paragraph_offsets_block_offset = int.from_bytes(file_data[self.__paragraph_offsets_blocks_list_offset + i*4:self.__paragraph_offsets_blocks_list_offset + 4 + i*4], "big", signed=True)
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if paragraph_offsets_block_offset == -1:
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break
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# Then we walk the paragraphs offset list for extracting texts from this block - also -1 terminated.
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j = 0
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paragraphs_txt = ""
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while True:
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@ -133,8 +165,10 @@ class TxtDat:
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paragraphs_txt = paragraphs_txt[:-len(TxtDat.PARAGRAPH_SEPARATOR)]
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break
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# int16 = total uint16 len without special chars values counted in it.
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paragraph_len = int.from_bytes(file_data[paragraph_offset:paragraph_offset+2], "big")
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# Paragraph line count int16 2:4 and max width int16 4:6 are ignored and can be deduced from the paragraph when packing back txt files.
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# Now we extract paragraph and translate it in txt format. Special values and values not present in charset are translated in \xaa\xbb txt format.
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k = 3
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while k < paragraph_len + 3:
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char_data = file_data[paragraph_offset + k*2:paragraph_offset + k*2 + 2]
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@ -161,6 +195,11 @@ class TxtDat:
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(self.__path / f"0_{i}.txt").write_text(paragraphs_txt)
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i += 1
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def pack(self, files_paths:Path):
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"""
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Pack parse 0_N.txt files and create back the original file format packed in position 0 of the mdt.
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input: files_paths = paths of all txts to pack.
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return the raw datas of repacked files.
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"""
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conf_txt = (self.__path / "conf.txt").read_text().split(";")
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charset_dict = None
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if conf_txt[0] == "USA":
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@ -171,6 +210,7 @@ class TxtDat:
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self.__symbols_count = 0
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header_bytes = b""
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# First we parse conf and retrieve our charset in the right order.
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for symbol_data in conf_txt[1:]:
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self.__symbols_count += 1
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symbol_data_b = bytes.fromhex(symbol_data)
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@ -179,17 +219,19 @@ class TxtDat:
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header_bytes = self.__symbols_count.to_bytes(4, "big") + header_bytes
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# We align header with 32 mores bytes if we have the exact match of align
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# We align header with 32 mores bytes if we have the exact match of align.
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header_bytes = header_bytes.ljust( len(header_bytes) + TxtDat.__HEADERALIGN - ( (len(header_bytes) + 4) % TxtDat.__HEADERALIGN), b"\x00" )
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header_bytes = (len(header_bytes) + 4).to_bytes(4, "big") + header_bytes
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# Now we retrieve every paragraph of the unpacked folder files and we translate it back to bytes with 32 bytes align.
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# Each file correspond to a paragraph offset block list & corresponding paragraphs.
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paragraphs_list = []
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for file_path in files_paths:
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paragraphs = []
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for paragraph_txt in file_path.read_text().split(TxtDat.PARAGRAPH_SEPARATOR):
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paragraph = b""
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# first 6 bytes contains total paragraph len uint16 in symbols, lines count int16 and max width int16 in symbols including \n
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total_len = 0
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max_width = 0
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i = 0
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@ -226,10 +268,11 @@ class TxtDat:
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# Here we align to 32 the paragraph_offsets_blocks_list
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current_offset = len(header_bytes) + align_top(len(paragraphs_list)*4 + 4, 32) # + 4 because -1 terminated
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body_data = b""
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# for each paragraphs offsets block offset we add it at the end of header for paragraphs offets block list
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for paragraphs in paragraphs_list:
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header_bytes += current_offset.to_bytes(4, "big")
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# We calculate end of paragraph_offsets_block before adding paragraphs content in data block following it.
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current_offset += align_top(len(paragraphs)*4 + 4, 32)
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current_offset += align_top(len(paragraphs)*4 + 4, 32) # -1 terminated
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offsets_block = b""
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data_block = b""
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@ -250,16 +293,12 @@ class TxtDat:
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class Mdt:
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"Unpack and pack files in the mdt with 0x800 bytes header and files aligned to 0x800 with padding."
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__HEADER_LEN = 0x800
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__ALIGN = 0x800
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def unpack(self, mdt_path:Path, folder_path:Path, charset:str):
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"Unpack extract the charset tpl and unpack the first file into txt files using TxtDat."
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logging.info(f"Unpacking {mdt_path} in {folder_path}...")
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charset_dict = None
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if charset == "USA":
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charset_dict = USA_CHARSET
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elif charset == "EU":
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charset_dict = EU_CHARSET
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with mdt_path.open("rb") as mdt_file:
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file_count = int.from_bytes(mdt_file.read(4), "big")
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@ -275,10 +314,11 @@ class Mdt:
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raise Exception("Error - mdt total files != 2!")
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txtdat = TxtDat(folder_path)
|
||||
txtdat.unpack( mdt_file.read(file_length_list[0]), charset, charset_dict)
|
||||
txtdat.unpack( mdt_file.read(file_length_list[0]), charset)
|
||||
|
||||
(folder_path / "charset.tpl").write_bytes( mdt_file.read(file_length_list[1]) )
|
||||
def pack(self, folder_path:Path, mdt_path:Path):
|
||||
"Pack group the charset tpl and the first file data into the mdt using TxtDat to get the first file right format."
|
||||
logging.info(f"Packing {folder_path} in {mdt_path}...")
|
||||
|
||||
txtdat = TxtDat(folder_path)
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user