mirror of
https://github.com/robmcmullen/atrcopy.git
synced 2024-09-27 13:54:55 +00:00
142 lines
3.6 KiB
Python
142 lines
3.6 KiB
Python
import numpy as np
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from segments import SegmentData, DefaultSegment
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from diskimages import BootDiskImage
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from kboot import KBootImage
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from ataridos import AtariDosDiskImage, AtariDosFile
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from spartados import SpartaDosDiskImage
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from cartridge import AtariCartImage, get_known_carts
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from errors import *
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class SegmentParser(object):
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menu_name = ""
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image_type = None
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def __init__(self, segment_data, strict=False):
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self.image = None
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self.segments = []
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self.strict = strict
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self.parse(segment_data)
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def parse(self, r):
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self.segments.append(DefaultSegment(r, 0))
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try:
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self.image = self.get_image(r)
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self.check_image()
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self.image.parse_segments()
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except AtrError:
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raise InvalidSegmentParser
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self.segments.extend(self.image.segments)
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def get_image(self, r):
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return self.image_type(r)
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def check_image(self):
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if self.strict:
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try:
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self.image.strict_check()
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except AtrError:
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raise InvalidSegmentParser
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else:
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self.image.relaxed_check()
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class DefaultSegmentParser(SegmentParser):
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menu_name = "Raw Data"
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def parse(self, r):
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self.segments = [DefaultSegment(r, 0)]
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class KBootSegmentParser(SegmentParser):
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menu_name = "KBoot Disk Image"
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image_type = KBootImage
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class AtariDosSegmentParser(SegmentParser):
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menu_name = "Atari DOS Disk Image"
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image_type = AtariDosDiskImage
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class SpartaDosSegmentParser(SegmentParser):
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menu_name = "Sparta DOS Disk Image"
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image_type = SpartaDosDiskImage
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class AtariBootDiskSegmentParser(SegmentParser):
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menu_name = "Atari Boot Disk Image"
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image_type = BootDiskImage
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class XexSegmentParser(SegmentParser):
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menu_name = "XEX (Atari 8-bit executable)"
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image_type = AtariDosFile
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class AtariCartSegmentParser(SegmentParser):
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menu_name = "temp"
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image_type = AtariCartImage
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cart_type = 0
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cart_info = None
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def get_image(self, r):
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return self.image_type(r, self.cart_type)
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def guess_parser_for_mime(mime, r):
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parsers = mime_parsers[mime]
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found = None
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for parser in parsers:
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try:
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found = parser(r, True)
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break
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except InvalidSegmentParser:
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pass
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return found
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def guess_parser_for_system(mime_base, r):
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for mime in mime_parse_order:
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if mime.startswith(mime_base):
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p = guess_parser_for_mime(mime, r)
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if p is not None:
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return mime, p
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return None, None
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mime_parsers = {
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"application/vnd.atari8bit.atr": [
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KBootSegmentParser,
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SpartaDosSegmentParser,
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AtariDosSegmentParser,
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AtariBootDiskSegmentParser,
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],
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"application/vnd.atari8bit.xex": [
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XexSegmentParser,
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],
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}
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mime_parse_order = [
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"application/vnd.atari8bit.atr",
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"application/vnd.atari8bit.xex",
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]
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grouped_carts = get_known_carts()
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sizes = sorted(grouped_carts.keys())
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for k in sizes:
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if k >= 1024:
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key = "application/vnd.atari8bit.%dmb_cart" % (k / 1024)
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else:
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key = "application/vnd.atari8bit.%dkb_cart" % k
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mime_parse_order.append(key)
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mime_parsers[key] = []
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for c in grouped_carts[k]:
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t = c[0]
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kclass = type("AtariCartSegmentParser%d" % t, (AtariCartSegmentParser,), {'cart_type': t, 'cart_info': c, 'menu_name': "%s Cartridge" % c[1]})
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mime_parsers[key].append(kclass)
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known_segment_parsers = [DefaultSegmentParser]
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for mime in mime_parse_order:
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known_segment_parsers.extend(mime_parsers[mime])
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