diff options
| author | Xusheng <xusheng@vector35.com> | 2021-07-01 12:34:30 +0800 |
|---|---|---|
| committer | Xusheng Li <xushengli@protonmail.com> | 2021-07-05 10:11:47 +0800 |
| commit | 13ff200ba134b8704f37eca99c42b70dab0d17dc (patch) | |
| tree | 876b3db3c53f704b31152aeaede1f2edc9d27b24 /python/examples/kaitai/allegro_dat.py | |
| parent | 4039a800349dcd587833d3e27d9137e4649818f4 (diff) | |
Remove snippet and kaitai plugin. Note their individual links.
Diffstat (limited to 'python/examples/kaitai/allegro_dat.py')
| -rw-r--r-- | python/examples/kaitai/allegro_dat.py | 364 |
1 files changed, 0 insertions, 364 deletions
diff --git a/python/examples/kaitai/allegro_dat.py b/python/examples/kaitai/allegro_dat.py deleted file mode 100644 index 1569e523..00000000 --- a/python/examples/kaitai/allegro_dat.py +++ /dev/null @@ -1,364 +0,0 @@ -# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild - -from pkg_resources import parse_version -from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO -from enum import Enum -import collections - - -if parse_version(ks_version) < parse_version('0.7'): - raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version)) - -class AllegroDat(KaitaiStruct): - """Allegro library for C (mostly used for game and multimedia apps - programming) used its own container file format. - - In general, it allows storage of arbitrary binary data blocks - bundled together with some simple key-value style metadata - ("properties") for every block. Allegro also pre-defines some simple - formats for bitmaps, fonts, MIDI music, sound samples and - palettes. Allegro library v4.0+ also support LZSS compression. - - This spec applies to Allegro data files for library versions 2.2 up - to 4.4. - - .. seealso:: - Source - https://liballeg.org/stabledocs/en/datafile.html - """ - - class PackEnum(Enum): - unpacked = 1936484398 - SEQ_FIELDS = ["pack_magic", "dat_magic", "num_objects", "objects"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['pack_magic']['start'] = self._io.pos() - self.pack_magic = KaitaiStream.resolve_enum(self._root.PackEnum, self._io.read_u4be()) - self._debug['pack_magic']['end'] = self._io.pos() - self._debug['dat_magic']['start'] = self._io.pos() - self.dat_magic = self._io.ensure_fixed_contents(b"\x41\x4C\x4C\x2E") - self._debug['dat_magic']['end'] = self._io.pos() - self._debug['num_objects']['start'] = self._io.pos() - self.num_objects = self._io.read_u4be() - self._debug['num_objects']['end'] = self._io.pos() - self._debug['objects']['start'] = self._io.pos() - self.objects = [None] * (self.num_objects) - for i in range(self.num_objects): - if not 'arr' in self._debug['objects']: - self._debug['objects']['arr'] = [] - self._debug['objects']['arr'].append({'start': self._io.pos()}) - _t_objects = self._root.DatObject(self._io, self, self._root) - _t_objects._read() - self.objects[i] = _t_objects - self._debug['objects']['arr'][i]['end'] = self._io.pos() - - self._debug['objects']['end'] = self._io.pos() - - class DatFont16(KaitaiStruct): - """Simple monochrome monospaced font, 95 characters, 8x16 px - characters. - """ - SEQ_FIELDS = ["chars"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['chars']['start'] = self._io.pos() - self.chars = [None] * (95) - for i in range(95): - if not 'arr' in self._debug['chars']: - self._debug['chars']['arr'] = [] - self._debug['chars']['arr'].append({'start': self._io.pos()}) - self.chars[i] = self._io.read_bytes(16) - self._debug['chars']['arr'][i]['end'] = self._io.pos() - - self._debug['chars']['end'] = self._io.pos() - - - class DatBitmap(KaitaiStruct): - SEQ_FIELDS = ["bits_per_pixel", "width", "height", "image"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['bits_per_pixel']['start'] = self._io.pos() - self.bits_per_pixel = self._io.read_s2be() - self._debug['bits_per_pixel']['end'] = self._io.pos() - self._debug['width']['start'] = self._io.pos() - self.width = self._io.read_u2be() - self._debug['width']['end'] = self._io.pos() - self._debug['height']['start'] = self._io.pos() - self.height = self._io.read_u2be() - self._debug['height']['end'] = self._io.pos() - self._debug['image']['start'] = self._io.pos() - self.image = self._io.read_bytes_full() - self._debug['image']['end'] = self._io.pos() - - - class DatFont(KaitaiStruct): - SEQ_FIELDS = ["font_size", "body"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['font_size']['start'] = self._io.pos() - self.font_size = self._io.read_s2be() - self._debug['font_size']['end'] = self._io.pos() - self._debug['body']['start'] = self._io.pos() - _on = self.font_size - if _on == 8: - self.body = self._root.DatFont8(self._io, self, self._root) - self.body._read() - elif _on == 16: - self.body = self._root.DatFont16(self._io, self, self._root) - self.body._read() - elif _on == 0: - self.body = self._root.DatFont39(self._io, self, self._root) - self.body._read() - self._debug['body']['end'] = self._io.pos() - - - class DatFont8(KaitaiStruct): - """Simple monochrome monospaced font, 95 characters, 8x8 px - characters. - """ - SEQ_FIELDS = ["chars"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['chars']['start'] = self._io.pos() - self.chars = [None] * (95) - for i in range(95): - if not 'arr' in self._debug['chars']: - self._debug['chars']['arr'] = [] - self._debug['chars']['arr'].append({'start': self._io.pos()}) - self.chars[i] = self._io.read_bytes(8) - self._debug['chars']['arr'][i]['end'] = self._io.pos() - - self._debug['chars']['end'] = self._io.pos() - - - class DatObject(KaitaiStruct): - SEQ_FIELDS = ["properties", "len_compressed", "len_uncompressed", "body"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['properties']['start'] = self._io.pos() - self.properties = [] - i = 0 - while True: - if not 'arr' in self._debug['properties']: - self._debug['properties']['arr'] = [] - self._debug['properties']['arr'].append({'start': self._io.pos()}) - _t_properties = self._root.Property(self._io, self, self._root) - _t_properties._read() - _ = _t_properties - self.properties.append(_) - self._debug['properties']['arr'][len(self.properties) - 1]['end'] = self._io.pos() - if not (_.is_valid): - break - i += 1 - self._debug['properties']['end'] = self._io.pos() - self._debug['len_compressed']['start'] = self._io.pos() - self.len_compressed = self._io.read_s4be() - self._debug['len_compressed']['end'] = self._io.pos() - self._debug['len_uncompressed']['start'] = self._io.pos() - self.len_uncompressed = self._io.read_s4be() - self._debug['len_uncompressed']['end'] = self._io.pos() - self._debug['body']['start'] = self._io.pos() - _on = self.type - if _on == u"BMP ": - self._raw_body = self._io.read_bytes(self.len_compressed) - io = KaitaiStream(BytesIO(self._raw_body)) - self.body = self._root.DatBitmap(io, self, self._root) - self.body._read() - elif _on == u"RLE ": - self._raw_body = self._io.read_bytes(self.len_compressed) - io = KaitaiStream(BytesIO(self._raw_body)) - self.body = self._root.DatRleSprite(io, self, self._root) - self.body._read() - elif _on == u"FONT": - self._raw_body = self._io.read_bytes(self.len_compressed) - io = KaitaiStream(BytesIO(self._raw_body)) - self.body = self._root.DatFont(io, self, self._root) - self.body._read() - else: - self.body = self._io.read_bytes(self.len_compressed) - self._debug['body']['end'] = self._io.pos() - - @property - def type(self): - if hasattr(self, '_m_type'): - return self._m_type if hasattr(self, '_m_type') else None - - self._m_type = self.properties[-1].magic - return self._m_type if hasattr(self, '_m_type') else None - - - class DatFont39(KaitaiStruct): - """New bitmap font format introduced since Allegro 3.9: allows - flexible designation of character ranges, 8-bit colored - characters, etc. - """ - SEQ_FIELDS = ["num_ranges", "ranges"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['num_ranges']['start'] = self._io.pos() - self.num_ranges = self._io.read_s2be() - self._debug['num_ranges']['end'] = self._io.pos() - self._debug['ranges']['start'] = self._io.pos() - self.ranges = [None] * (self.num_ranges) - for i in range(self.num_ranges): - if not 'arr' in self._debug['ranges']: - self._debug['ranges']['arr'] = [] - self._debug['ranges']['arr'].append({'start': self._io.pos()}) - _t_ranges = self._root.DatFont39.Range(self._io, self, self._root) - _t_ranges._read() - self.ranges[i] = _t_ranges - self._debug['ranges']['arr'][i]['end'] = self._io.pos() - - self._debug['ranges']['end'] = self._io.pos() - - class Range(KaitaiStruct): - SEQ_FIELDS = ["mono", "start_char", "end_char", "chars"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['mono']['start'] = self._io.pos() - self.mono = self._io.read_u1() - self._debug['mono']['end'] = self._io.pos() - self._debug['start_char']['start'] = self._io.pos() - self.start_char = self._io.read_u4be() - self._debug['start_char']['end'] = self._io.pos() - self._debug['end_char']['start'] = self._io.pos() - self.end_char = self._io.read_u4be() - self._debug['end_char']['end'] = self._io.pos() - self._debug['chars']['start'] = self._io.pos() - self.chars = [None] * (((self.end_char - self.start_char) + 1)) - for i in range(((self.end_char - self.start_char) + 1)): - if not 'arr' in self._debug['chars']: - self._debug['chars']['arr'] = [] - self._debug['chars']['arr'].append({'start': self._io.pos()}) - _t_chars = self._root.DatFont39.FontChar(self._io, self, self._root) - _t_chars._read() - self.chars[i] = _t_chars - self._debug['chars']['arr'][i]['end'] = self._io.pos() - - self._debug['chars']['end'] = self._io.pos() - - - class FontChar(KaitaiStruct): - SEQ_FIELDS = ["width", "height", "body"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['width']['start'] = self._io.pos() - self.width = self._io.read_u2be() - self._debug['width']['end'] = self._io.pos() - self._debug['height']['start'] = self._io.pos() - self.height = self._io.read_u2be() - self._debug['height']['end'] = self._io.pos() - self._debug['body']['start'] = self._io.pos() - self.body = self._io.read_bytes((self.width * self.height)) - self._debug['body']['end'] = self._io.pos() - - - - class Property(KaitaiStruct): - SEQ_FIELDS = ["magic", "type", "len_body", "body"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['magic']['start'] = self._io.pos() - self.magic = (self._io.read_bytes(4)).decode(u"UTF-8") - self._debug['magic']['end'] = self._io.pos() - if self.is_valid: - self._debug['type']['start'] = self._io.pos() - self.type = (self._io.read_bytes(4)).decode(u"UTF-8") - self._debug['type']['end'] = self._io.pos() - - if self.is_valid: - self._debug['len_body']['start'] = self._io.pos() - self.len_body = self._io.read_u4be() - self._debug['len_body']['end'] = self._io.pos() - - if self.is_valid: - self._debug['body']['start'] = self._io.pos() - self.body = (self._io.read_bytes(self.len_body)).decode(u"UTF-8") - self._debug['body']['end'] = self._io.pos() - - - @property - def is_valid(self): - if hasattr(self, '_m_is_valid'): - return self._m_is_valid if hasattr(self, '_m_is_valid') else None - - self._m_is_valid = self.magic == u"prop" - return self._m_is_valid if hasattr(self, '_m_is_valid') else None - - - class DatRleSprite(KaitaiStruct): - SEQ_FIELDS = ["bits_per_pixel", "width", "height", "len_image", "image"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['bits_per_pixel']['start'] = self._io.pos() - self.bits_per_pixel = self._io.read_s2be() - self._debug['bits_per_pixel']['end'] = self._io.pos() - self._debug['width']['start'] = self._io.pos() - self.width = self._io.read_u2be() - self._debug['width']['end'] = self._io.pos() - self._debug['height']['start'] = self._io.pos() - self.height = self._io.read_u2be() - self._debug['height']['end'] = self._io.pos() - self._debug['len_image']['start'] = self._io.pos() - self.len_image = self._io.read_u4be() - self._debug['len_image']['end'] = self._io.pos() - self._debug['image']['start'] = self._io.pos() - self.image = self._io.read_bytes_full() - self._debug['image']['end'] = self._io.pos() - - - |
