prez/base.py
2020-08-01 15:32:35 -04:00

333 lines
6.8 KiB
Python

import struct
from bisect import bisect_left
from rect import *
from utils import *
__all__ = ["rObject", "rText", "rTextBlock", "rTextForLETextBox2",
"rAlertString", "rErrorString", "rComment", "rPString",
"rCString", "rWString", "rC1InputString", "rStringList",
"rTwoRects", "rRectList"]
#define KeyEquiv array[1]{ char; char; _mybase_ word; _mybase_ word; }
# ( "Ss", 0x..., 0x.... )
class rObject:
rName = None
rType = None
rRange = range(1,0x07FF0000)
_rmap = {}
_resources = {}
# also a define=property to trigger export in equ file?
def __init__(self, id=None, attr=None):
rType = self.rType
self.id = id
self.attr = attr
self._check_id(rType, id)
def _check_id(self, rType, rID):
if rType in self._resources:
xx = self._resources[rType]
else:
xx = []
self._resources[rType] = xx
xx.append(self)
if type(rID) == int:
if rType in self._rmap:
xx = self._rmap[rType]
else:
xx = set()
self._rmap[rType] = xx
if rID in xx:
raise ValueError("{} (${:04x}) ${:08x} already defined".format(self.rName, rType, rID))
def get_id(self):
rID = self.id
rType = self.rType
if type(rID) == int: return rID
if rType in self._rmap:
xx = self._rmap[rType]
else:
xx = set()
self._rmap[rType] = xx
used = list(xx)
used.sort()
rr = self.rRange
if type(rID) == range:
rr = rID
ix = bisect_left(used, rr.start)
for rID in rr:
if ix >= len(used) or used[ix] > rID :
self.id = rID
xx.add(self.id)
return self.id
ix += 1
raise Exception("Unable to allocate id for resource")
# # just append
# if len(xx) == 0:
# self.id = 1
# xx.add(self.id)
# return self.id
# rID = used[-1] + 1
# self.id = rID
# xx.add(self.id)
# return self.id
@staticmethod
def dump():
for rType,rList in rObject._resources.items():
for r in rList:
print("${:04x} {} - ${:08x}".format(rType, r.rName, r.get_id()))
@staticmethod
def dumphex():
for rType,rList in rObject._resources.items():
for r in rList:
bb = bytes(r)
data = [bb[x*16:x*16+16] for x in range(0, len(bb)+15>>4)]
print("{}(${:08x}) {{".format(r.rName, r.get_id()))
for x in data:
print("\t$\"" + x.hex() + "\"")
print("}\n")
@staticmethod
def dumprez():
for rType,rList in rObject._resources.items():
for r in rList:
content = r._rez_string()
print("{}(${:08x}) {{".format(r.rName, r.get_id()))
print(content)
print("}\n")
# container for a 0-terminated list of resource ids.
class rList(rObject):
def __init__(self, *children, id=None, attr=None):
super().__init__(id=id, attr=attr)
self.children = children
tt = self.rChildType
for x in self.children:
if not isinstance(x, tt):
raise TypeError("bad type: {}".format(type(x)))
def __bytes__(self):
bb = bytearray(4 + len(self.children) * 4)
offset = 0
for x in self.children:
struct.pack_into("<I", bb, offset, x.get_id())
offset += 4
return bytes(bb)
def _rez_string(self):
if not self.children: return "\t{}"
rv = "\t{\n"
ids = [x.get_id() for x in self.children]
rv += ",\n".join(["\t\t${:08x}".format(x) for x in ids])
rv += "\n\t}"
return rv
def _generate_map():
map = { x: "\\${:02x}".format(x) for x in range(0, 256) if x < 32 or x > 126 }
map[0x0d] = "\\n" # intentionally backwards.
map[0x0a] = "\\r" # intentionally backwards.
map[0x09] = "\\t"
# \b \f \v \? also supported.
map[ord('"')] = '\\"'
map[ord("'")] = "\\'"
map[ord("\\")] = "\\\\"
# map[0x7f] = "\\?" # rubout
return map
class rTextObject(rObject):
# _map = { x: "\\${:02x}".format(x) for x in range(0, 256) if x < 32 or x > 126 }
_map = _generate_map()
@staticmethod
def _encode(bb):
map = rTextObject._map
return "".join([map[x] if x in map else chr(x) for x in bb])
@classmethod
def make_string(cls, text):
rType = cls
# if not rType: rType = rPString
if type(text) == rType: return text
if type(text) in (str, bytes, bytearray): return rType(text)
raise TypeError("Bad text type: {}".format(type(text)))
def __init__(self, text, *, id=None, attr=None):
super().__init__(id=id, attr=attr)
# text is a string or bytes.
# bytes is assumed to be macroman
self.text = text
self._text = str_to_bytes(text)
def __len__(self):
return len(self._text)
def __bytes__(self):
return self._text
def _rez_string(self):
if not self._text: return '\t""\n'
bb = self._text
data = [bb[x*32:x*32+32] for x in range(0, len(bb)+31>>5)]
rv = ""
rv = "\n".join(['\t"' + self._encode(x) + '"' for x in data])
return rv
class rText(rTextObject):
rName = "rText"
rType = 0x8016
class rTextBlock(rTextObject):
rName = "rTextBlock"
rType = 0x8011
class rTextForLETextBox2(rTextObject):
rName = "rTextForLETextBox2"
rType = 0x800b
class rAlertString(rTextObject):
rName = "rAlertString"
rType = 0x8015
class rErrorString(rTextObject):
rName = "rErrorString"
rType = 0x8020
class rComment(rTextObject):
rName = "rComment"
rType = 0x802a
class rPString(rTextObject):
rName = "rPString"
rType = 0x8006
def __bytes__(self):
bb = super().__bytes__()
return struct.pack("<B", len(bb)) + bb
class rCString(rTextObject):
rName = "rCString"
rType = 0x801d
def __bytes__(self):
bb = super().__bytes__()
return bb + b"\x00"
class rWString(rTextObject):
rName = "rWString"
rType = 0x8022
def __bytes__(self):
bb = super().__bytes__()
return struct.pack("<H", len(bb)) + bb
class rC1InputString(rTextObject):
rName = "rC1InputString"
rType = 0x8023
def __bytes__(self):
bb = super().__bytes__()
return struct.pack("<H", len(bb)) + bb
class rStringList(rObject):
rName = "rStringList"
rType = 0x8007
def __init__(self, strings, *, id=None, attr=None):
super().__init__(id, attr)
self.strings = strings[:]
self._strings = [str_to_bytes(x) for x in strings]
def __bytes__(self):
bb = struct.pack("<H", len(self._strings))
for x in self._strings:
bb += x
return bb
class rTwoRects(rObject):
rName = "rTwoRects"
rType = 0x801a
def __init__(self, r1, r2, *, id=None, attr=None):
super().__init__(id=id, attr=attr)
self.r1 = r1
self.r2 = r2
def __bytes__(self):
return struct.pack("<4H4H", *self.r1, *self.r2)
def _rez_string(self):
return (
"\t{{ {:d}, {:d}, {:d}, {:d} }},\n"
"\t{{ {:d}, {:d}, {:d}, {:d} }}\n"
).format(*self.r1, *self.r2)
class rRectList(rObject):
rName = "rRectList"
rType = 0xc001
def __init__(self, *rects, id=None, attr=None):
super().__init__(id=id, attr=attr)
self.rects = rects
def __bytes__(self):
bb = struct.pack("<H", len(self.rects))
for x in self.rects:
bb += struct.pack("<4H", *x)
return bb
def _rez_string(self):
rv = "\t{\n"
fx = lambda x: "\t\t{{ {:d}, {:d}, {:d}, {:d} }}".format(*x)
rv += ",\n".join([fx(x) for x in self.rects])
if self.rects: rv += "\n"
rv += "\t}"
return rv;