Establish some classes to implement the IO system in an OO manner.
Chris Pressey
7 months ago
| 25 | 25 | |
| 26 | 26 | |
| 27 | 27 | # room |
| 28 | class Room: | |
| 28 | class Room(object): | |
| 29 | 29 | data = None |
| 30 | 30 | size = 0 |
| 31 | 31 | |
| 164 | 164 | self.transform(transform) |
| 165 | 165 | |
| 166 | 166 | |
| 167 | class Environment: | |
| 167 | class Environment(object): | |
| 168 | 168 | rooms = {} |
| 169 | 169 | ip = () |
| 170 | 170 | direction = () |
| 186 | 186 | roomY = y % self.roomsize |
| 187 | 187 | return room[roomX, roomY] |
| 188 | 188 | |
| 189 | def __init__(self, room, funcs): | |
| 190 | (infunc, outfunc) = funcs | |
| 189 | def __init__(self, room, io_system): | |
| 191 | 190 | self.rooms = { |
| 192 | 191 | (0, 0): room |
| 193 | 192 | } |
| 194 | 193 | self.roomsize = room.size |
| 195 | 194 | self.dir = Environment.RIGHT |
| 196 | 195 | self.edgemode = Environment.WRAP |
| 197 | self.infunc, self.outfunc = infunc, outfunc | |
| 196 | self.io_system = io_system | |
| 198 | 197 | self.halt = False |
| 199 | 198 | # find initial instruction pointer |
| 200 | 199 | |
| 207 | 206 | |
| 208 | 207 | if self.ip == (-1, -1): |
| 209 | 208 | raise ValueError("no $ in room") |
| 209 | ||
| 210 | def infunc(self): | |
| 211 | return self.io_system.units_in() | |
| 212 | ||
| 213 | def outfunc(self, unit): | |
| 214 | return self.io_system.units_out(unit) | |
| 210 | 215 | |
| 211 | 216 | def roomCoords(self, v): |
| 212 | 217 | (x, y) = v |
| 284 | 289 | self.step() |
| 285 | 290 | |
| 286 | 291 | |
| 287 | def main(argv): | |
| 288 | if len(argv) not in (2, 3) or (len(argv) == 3 and not argv[1] in ('bits', 'bytes')): | |
| 289 | print("""\ | |
| 290 | Usage: [python] %s [bits|bytes] filename | |
| 291 | bits/bytes: specify i/o mode | |
| 292 | ||
| 293 | In bits mode, i/o uses the characters '0' and '1' | |
| 294 | (and when reading input, everything that's not '0' | |
| 295 | or 1 is ignored). | |
| 296 | In bytes mode, i/o is done 8 bits at a time as ASCII. | |
| 297 | ||
| 298 | If no mode is given, bytes mode is used. | |
| 299 | """ % argv[0]) | |
| 300 | sys.exit() | |
| 301 | ||
| 302 | if len(argv) == 2: | |
| 303 | mode = 'bytes' | |
| 304 | fname = argv[1] | |
| 305 | else: | |
| 306 | mode = argv[1] | |
| 307 | fname = argv[2] | |
| 308 | ||
| 309 | # i/o functions | |
| 310 | def bits_in(): | |
| 292 | class NhohnhehrIO(object): | |
| 293 | def units_in(self): | |
| 294 | raise NotImplementedError('implement units_in please') | |
| 295 | ||
| 296 | def units_out(self, unit): | |
| 297 | raise NotImplementedError('implement units_out please') | |
| 298 | ||
| 299 | ||
| 300 | class BitsIO(NhohnhehrIO): | |
| 301 | def units_in(self): | |
| 311 | 302 | i = None |
| 312 | 303 | while i not in ('0', '1'): |
| 313 | 304 | i = sys.stdin.read(1) |
| 315 | 306 | raise IOError() # eof |
| 316 | 307 | return int(i) |
| 317 | 308 | |
| 318 | def bits_out(bit): | |
| 309 | def units_out(self, bit): | |
| 319 | 310 | sys.stdout.write(('0', '1')[bit]) |
| 320 | 311 | sys.stdout.flush() |
| 321 | 312 | |
| 322 | def bytes_in(bits=[[]]): | |
| 313 | ||
| 314 | class BytesIO(NhohnhehrIO): | |
| 315 | def units_in(self, bits=[[]]): | |
| 323 | 316 | # get data if necessary |
| 324 | 317 | if bits[0] == []: |
| 325 | 318 | i = sys.stdin.read(1) |
| 333 | 326 | bits[0] = bits[0][1:] |
| 334 | 327 | return bit |
| 335 | 328 | |
| 336 | def bytes_out(bit, bits=[[]]): | |
| 329 | def units_out(self, bit, bits=[[]]): | |
| 337 | 330 | bits[0].append(bit) |
| 338 | 331 | |
| 339 | 332 | # if we have 8 bits, output |
| 342 | 335 | sys.stdout.flush() |
| 343 | 336 | bits[0] = [] |
| 344 | 337 | |
| 345 | modes = { | |
| 346 | 'bits': (bits_in, bits_out), | |
| 347 | 'bytes': (bytes_in, bytes_out) | |
| 348 | } | |
| 338 | ||
| 339 | def main(argv): | |
| 340 | if len(argv) not in (2, 3) or (len(argv) == 3 and not argv[1] in ('bits', 'bytes')): | |
| 341 | print("""\ | |
| 342 | Usage: [python] %s [bits|bytes] filename | |
| 343 | bits/bytes: specify i/o mode | |
| 344 | ||
| 345 | In bits mode, i/o uses the characters '0' and '1' | |
| 346 | (and when reading input, everything that's not '0' | |
| 347 | or 1 is ignored). | |
| 348 | In bytes mode, i/o is done 8 bits at a time as ASCII. | |
| 349 | ||
| 350 | If no mode is given, bytes mode is used. | |
| 351 | """ % argv[0]) | |
| 352 | sys.exit() | |
| 353 | ||
| 354 | if len(argv) == 2: | |
| 355 | mode = 'bytes' | |
| 356 | fname = argv[1] | |
| 357 | else: | |
| 358 | mode = argv[1] | |
| 359 | fname = argv[2] | |
| 360 | ||
| 361 | io_system = { | |
| 362 | 'bits': BitsIO(), | |
| 363 | 'bytes': BytesIO(), | |
| 364 | }[mode] | |
| 349 | 365 | try: |
| 350 | 366 | with open(fname, 'r') as f: |
| 351 | Environment(Room(file=f), modes[mode]).run() | |
| 367 | Environment(Room(file=f), io_system).run() | |
| 352 | 368 | if mode == 'bits': |
| 353 | 369 | print # newline |
| 354 | 370 | |