pypy / pypy / objspace / std / ropeunicodeobject.py

   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
from pypy.objspace.std.model import registerimplementation, W_Object
from pypy.objspace.std.register_all import register_all
from pypy.objspace.std.multimethod import FailedToImplement
from pypy.interpreter.error import OperationError, operationerrfmt
from pypy.interpreter import gateway
from pypy.objspace.std.stringobject import W_StringObject
from pypy.objspace.std.unicodeobject import _normalize_index
from pypy.objspace.std.ropeobject import W_RopeObject
from pypy.objspace.std.noneobject import W_NoneObject
from pypy.rlib import rope
from pypy.rlib.rstring import StringBuilder
from pypy.objspace.std.sliceobject import W_SliceObject, normalize_simple_slice
from pypy.objspace.std import unicodeobject, slicetype, iterobject
from pypy.objspace.std.tupleobject import W_TupleObject
from pypy.rlib.rarithmetic import intmask, ovfcheck
from pypy.module.unicodedata import unicodedb
from pypy.tool.sourcetools import func_with_new_name

from pypy.objspace.std.formatting import mod_format

from pypy.objspace.std.unicodeobject import (
    format__Unicode_ANY as format__RopeUnicode_ANY)


def wrapunicode(space, uni):
    return W_RopeUnicodeObject(rope.rope_from_unicode(uni))

def unicode_from_string(space, w_str):
    from pypy.objspace.std.unicodetype import getdefaultencoding
    assert isinstance(w_str, W_RopeObject)
    encoding = getdefaultencoding(space)
    w_retval = decode_string(space, w_str, encoding, "strict")
    if not space.isinstance_w(w_retval, space.w_unicode):
        raise operationerrfmt(
            space.w_TypeError,
            "decoder did not return an unicode object (type '%s')",
            space.type(w_retval).getname(space))
    assert isinstance(w_retval, W_RopeUnicodeObject)
    return w_retval

def decode_string(space, w_str, encoding, errors):
    from pypy.objspace.std.unicodetype import decode_object
    if errors is None or errors == "strict":
        node = w_str._node
        if encoding == 'ascii':
            result = rope.str_decode_ascii(node)
            if result is not None:
                return W_RopeUnicodeObject(result)
        elif encoding == 'latin-1':
            assert node.is_bytestring()
            return W_RopeUnicodeObject(node)
        elif encoding == "utf-8":
            result = rope.str_decode_utf8(node)
            if result is not None:
                return W_RopeUnicodeObject(result)
    w_result = decode_object(space, w_str, encoding, errors)
    return w_result

def encode_unicode(space, w_unistr, encoding, errors):
    from pypy.objspace.std.unicodetype import getdefaultencoding, \
        _get_encoding_and_errors, encode_object
    from pypy.objspace.std.ropeobject import W_RopeObject
    if errors is None or errors == "strict":
        node = w_unistr._node
        if encoding == 'ascii':
            result = rope.unicode_encode_ascii(node)
            if result is not None:
                return W_RopeObject(result)
        elif encoding == 'latin-1':
            result = rope.unicode_encode_latin1(node)
            if result is not None:
                return W_RopeObject(result)
        elif encoding == "utf-8":
            result = rope.unicode_encode_utf8(node)
            if result is not None:
                return W_RopeObject(result)
    return encode_object(space, w_unistr, encoding, errors)


class W_RopeUnicodeObject(unicodeobject.W_AbstractUnicodeObject):
    from pypy.objspace.std.unicodetype import unicode_typedef as typedef
    _immutable_fields_ = ['_node']

    def __init__(w_self, node):
        w_self._node = node

    def __repr__(w_self):
        """ representation for debugging purposes """
        return "%s(%r)" % (w_self.__class__.__name__, w_self._node)

    def unwrap(w_self, space):
        # for testing
        return w_self._node.flatten_unicode()

    def str_w(w_self, space):
        return space.str_w(space.str(w_self))

    def create_if_subclassed(w_self):
        if type(w_self) is W_RopeUnicodeObject:
            return w_self
        return W_RopeUnicodeObject(w_self._node)

    def unicode_w(self, space):
        return self._node.flatten_unicode()

W_RopeUnicodeObject.EMPTY = W_RopeUnicodeObject(rope.LiteralStringNode.EMPTY)

registerimplementation(W_RopeUnicodeObject)

def _isspace(uchar_ord):
    return unicodedb.isspace(uchar_ord)

def ropeunicode_w(space, w_str):
    if isinstance(w_str, W_RopeUnicodeObject):
        return w_str._node
    if isinstance(w_str, W_RopeObject):
        return unicode_from_string(space, w_str)._node
    return rope.LiteralUnicodeNode(space.unicode_w(w_str))


class W_RopeUnicodeIterObject(iterobject.W_AbstractIterObject):
    from pypy.objspace.std.itertype import iter_typedef as typedef

    def __init__(w_self, w_rope, index=0):
        w_self.node = node = w_rope._node
        w_self.item_iter = rope.ItemIterator(node)
        w_self.index = index

def iter__RopeUnicode(space, w_uni):
    return W_RopeUnicodeIterObject(w_uni)

# Helper for converting int/long
def unicode_to_decimal_w(space, w_unistr):
    if not isinstance(w_unistr, W_RopeUnicodeObject):
        raise OperationError(space.w_TypeError,
                             space.wrap("expected unicode"))
    unistr = w_unistr._node
    length = unistr.length()
    result = ['\0'] * length
    digits = [ '0', '1', '2', '3', '4',
               '5', '6', '7', '8', '9']
    iter = rope.ItemIterator(unistr)
    for i in range(length):
        uchr = iter.nextint()
        if unicodedb.isspace(uchr):
            result[i] = ' '
            continue
        try:
            result[i] = digits[unicodedb.decimal(uchr)]
        except KeyError:
            if 0 < uchr < 256:
                result[i] = chr(uchr)
            else:
                w_encoding = space.wrap('decimal')
                w_start = space.wrap(i)
                w_end = space.wrap(i+1)
                w_reason = space.wrap('invalid decimal Unicode string')
                raise OperationError(space.w_UnicodeEncodeError, space.newtuple([w_encoding, w_unistr, w_start, w_end, w_reason]))
    return ''.join(result)

# string-to-unicode delegation
def delegate_Rope2RopeUnicode(space, w_rope):
    w_uni = unicode_from_string(space, w_rope)
    assert isinstance(w_uni, W_RopeUnicodeObject) # help the annotator!
    return w_uni

def str__RopeUnicode(space, w_uni):
    return space.call_method(w_uni, 'encode')

def lt__RopeUnicode_RopeUnicode(space, w_str1, w_str2):
    n1 = w_str1._node
    n2 = w_str2._node
    return space.newbool(rope.compare(n1, n2) < 0)

def le__RopeUnicode_RopeUnicode(space, w_str1, w_str2):
    n1 = w_str1._node
    n2 = w_str2._node
    return space.newbool(rope.compare(n1, n2) <= 0)

def _eq(w_str1, w_str2):
    result = rope.eq(w_str1._node, w_str2._node)
    return result

def eq__RopeUnicode_RopeUnicode(space, w_str1, w_str2):
    return space.newbool(_eq(w_str1, w_str2))

def eq__RopeUnicode_Rope(space, w_runi, w_rope):
    from pypy.objspace.std.unicodeobject import _unicode_string_comparison
    return _unicode_string_comparison(space, w_runi, w_rope,
                    False,  unicode_from_string)

def ne__RopeUnicode_RopeUnicode(space, w_str1, w_str2):
    return space.newbool(not _eq(w_str1, w_str2))

def ne__RopeUnicode_Rope(space, w_runi, w_rope):
    from pypy.objspace.std.unicodeobject import _unicode_string_comparison
    return _unicode_string_comparison(space, w_runi, w_rope,
                    True, unicode_from_string)

def gt__RopeUnicode_RopeUnicode(space, w_str1, w_str2):
    n1 = w_str1._node
    n2 = w_str2._node
    return space.newbool(rope.compare(n1, n2) > 0)

def ge__RopeUnicode_RopeUnicode(space, w_str1, w_str2):
    n1 = w_str1._node
    n2 = w_str2._node
    return space.newbool(rope.compare(n1, n2) >= 0)


def ord__RopeUnicode(space, w_uni):
    if w_uni._node.length() != 1:
        raise OperationError(space.w_TypeError, space.wrap('ord() expected a character'))
    return space.wrap(w_uni._node.getint(0))

def getnewargs__RopeUnicode(space, w_uni):
    return space.newtuple([W_RopeUnicodeObject(w_uni._node)])

def add__RopeUnicode_RopeUnicode(space, w_left, w_right):
    right = w_right._node
    left = w_left._node
    try:
        return W_RopeUnicodeObject(rope.concatenate(left, right))
    except OverflowError:
        raise OperationError(space.w_OverflowError,
                             space.wrap("string too long"))

def add__Rope_RopeUnicode(space, w_left, w_right):
    return space.add(unicode_from_string(space, w_left) , w_right)

def add__RopeUnicode_Rope(space, w_left, w_right):
    return space.add(w_left, unicode_from_string(space, w_right))

def contains__RopeUnicode_RopeUnicode(space, w_container, w_item):
    item = w_item._node
    container = w_container._node
    return space.newbool(rope.find(container, item) != -1)

def contains__Rope_RopeUnicode(space, w_container, w_item):
    return space.contains(unicode_from_string(space, w_container), w_item )

def unicode_join__RopeUnicode_ANY(space, w_self, w_list):
    l_w = space.listview(w_list)
    delim = w_self._node
    totlen = 0
    if len(l_w) == 0:
        return W_RopeUnicodeObject.EMPTY
    if (len(l_w) == 1 and
        space.is_w(space.type(l_w[0]), space.w_unicode)):
        return l_w[0]

    values_list = []
    for i in range(len(l_w)):
        w_item = l_w[i]
        if isinstance(w_item, W_RopeUnicodeObject):
            # shortcut for performane
            item = w_item._node
        elif space.isinstance_w(w_item, space.w_str):
            item = unicode_from_string(space, w_item)._node
        else:
            msg = 'sequence item %d: expected string or Unicode'
            raise operationerrfmt(space.w_TypeError, msg, i)
        values_list.append(item)
    try:
        return W_RopeUnicodeObject(rope.join(w_self._node, values_list))
    except OverflowError:
        raise OperationError(space.w_OverflowError,
                             space.wrap("string too long"))

def hash__RopeUnicode(space, w_uni):
    return space.wrap(rope.hash_rope(w_uni._node))

def len__RopeUnicode(space, w_uni):
    return space.wrap(w_uni._node.length())

def getitem__RopeUnicode_ANY(space, w_uni, w_index):
    ival = space.getindex_w(w_index, space.w_IndexError, "string index")
    uni = w_uni._node
    ulen = uni.length()
    if ival < 0:
        ival += ulen
    if ival < 0 or ival >= ulen:
        exc = space.call_function(space.w_IndexError,
                                  space.wrap("unicode index out of range"))
        raise OperationError(space.w_IndexError, exc)
    return W_RopeUnicodeObject(uni.getrope(ival))

def getitem__RopeUnicode_Slice(space, w_uni, w_slice):
    node = w_uni._node
    length = node.length()
    start, stop, step, sl = w_slice.indices4(space, length)
    if sl == 0:
        return W_RopeUnicodeObject.EMPTY
    return W_RopeUnicodeObject(rope.getslice(node, start, stop, step, sl))

def getslice__RopeUnicode_ANY_ANY(space, w_uni, w_start, w_stop):
    node = w_uni._node
    length = node.length()
    start, stop = normalize_simple_slice(space, length, w_start, w_stop)
    sl = stop - start
    if sl == 0:
        return W_RopeUnicodeObject.EMPTY
    return W_RopeUnicodeObject(rope.getslice(node, start, stop, 1, sl))

def mul__RopeUnicode_ANY(space, w_uni, w_times):
    try:
        times = space.getindex_w(w_times, space.w_OverflowError)
    except OperationError, e:
        if e.match(space, space.w_TypeError):
            raise FailedToImplement
        raise
    node = w_uni._node
    try:
        return W_RopeUnicodeObject(rope.multiply(node, times))
    except OverflowError:
        raise OperationError(space.w_OverflowError,
                             space.wrap("string too long"))

def mul__ANY_RopeUnicode(space, w_times, w_uni):
    return mul__RopeUnicode_ANY(space, w_uni, w_times)


def make_generic(funcname):
    def func(space, w_self):
        node = w_self._node
        if node.length() == 0:
            return space.w_False
        iter = rope.ItemIterator(node)
        for idx in range(node.length()):
            if not getattr(unicodedb, funcname)(iter.nextint()):
                return space.w_False
        return space.w_True
    return func_with_new_name(func, "unicode_%s__RopeUnicode" % (funcname, ))

unicode_isspace__RopeUnicode = make_generic("isspace")
unicode_isalpha__RopeUnicode = make_generic("isalpha")
unicode_isalnum__RopeUnicode = make_generic("isalnum")
unicode_isdecimal__RopeUnicode = make_generic("isdecimal")
unicode_isdigit__RopeUnicode = make_generic("isdigit")
unicode_isnumeric__RopeUnicode = make_generic("isnumeric")

def unicode_islower__RopeUnicode(space, w_unicode):
    cased = False
    iter = rope.ItemIterator(w_unicode._node)
    while 1:
        try:
            ch = iter.nextint()
        except StopIteration:
            return space.newbool(cased)
        if (unicodedb.isupper(ch) or
            unicodedb.istitle(ch)):
            return space.w_False
        if not cased and unicodedb.islower(ch):
            cased = True

def unicode_isupper__RopeUnicode(space, w_unicode):
    cased = False
    iter = rope.ItemIterator(w_unicode._node)
    while 1:
        try:
            ch = iter.nextint()
        except StopIteration:
            return space.newbool(cased)
        if (unicodedb.islower(ch) or
            unicodedb.istitle(ch)):
            return space.w_False
        if not cased and unicodedb.isupper(ch):
            cased = True

def unicode_istitle__RopeUnicode(space, w_unicode):
    cased = False
    previous_is_cased = False
    iter = rope.ItemIterator(w_unicode._node)
    while 1:
        try:
            ch = iter.nextint()
        except StopIteration:
            return space.newbool(cased)
        if (unicodedb.isupper(ch) or
            unicodedb.istitle(ch)):
            if previous_is_cased:
                return space.w_False
            previous_is_cased = cased = True
        elif unicodedb.islower(ch):
            if not previous_is_cased:
                return space.w_False
            previous_is_cased = cased = True
        else:
            previous_is_cased = False


def _contains(i, uni):
    return unichr(i) in uni

def unicode_strip__RopeUnicode_None(space, w_self, w_chars):
    return W_RopeUnicodeObject(rope.strip(w_self._node, True, True, _isspace))
def unicode_strip__RopeUnicode_RopeUnicode(space, w_self, w_chars):
    return W_RopeUnicodeObject(rope.strip(w_self._node, True, True, _contains,
                               w_chars._node.flatten_unicode()))

def unicode_strip__RopeUnicode_Rope(space, w_self, w_chars):
    return space.call_method(w_self, 'strip',
                             unicode_from_string(space, w_chars))

def unicode_lstrip__RopeUnicode_None(space, w_self, w_chars):
    return W_RopeUnicodeObject(rope.strip(w_self._node, True, False, _isspace))
def unicode_lstrip__RopeUnicode_RopeUnicode(space, w_self, w_chars):
    return W_RopeUnicodeObject(rope.strip(w_self._node, True, False, _contains,
                               w_chars._node.flatten_unicode()))
def unicode_lstrip__RopeUnicode_Rope(space, w_self, w_chars):
    return space.call_method(w_self, 'lstrip',
                             unicode_from_string(space, w_chars))

def unicode_rstrip__RopeUnicode_None(space, w_self, w_chars):
    return W_RopeUnicodeObject(rope.strip(w_self._node, False, True, _isspace))
def unicode_rstrip__RopeUnicode_RopeUnicode(space, w_self, w_chars):
    return W_RopeUnicodeObject(rope.strip(w_self._node, False, True, _contains,
                               w_chars._node.flatten_unicode()))
def unicode_rstrip__RopeUnicode_Rope(space, w_self, w_chars):
    return space.call_method(w_self, 'rstrip',
                             unicode_from_string(space, w_chars))

def unicode_capitalize__RopeUnicode(space, w_self):
    input = w_self._node
    length = input.length()
    if length == 0:
        return w_self
    result = [u'\0'] * length
    iter = rope.ItemIterator(input)
    result[0] = unichr(unicodedb.toupper(iter.nextint()))
    for i in range(1, length):
        result[i] = unichr(unicodedb.tolower(iter.nextint()))
    return W_RopeUnicodeObject(rope.rope_from_unicharlist(result))

def unicode_title__RopeUnicode(space, w_self):
    input = w_self._node
    length = input.length()
    if length == 0:
        return w_self
    result = [u'\0'] * length
    iter = rope.ItemIterator(input)

    previous_is_cased = False
    for i in range(input.length()):
        unichar = iter.nextint()
        if previous_is_cased:
            result[i] = unichr(unicodedb.tolower(unichar))
        else:
            result[i] = unichr(unicodedb.totitle(unichar))
        previous_is_cased = unicodedb.iscased(unichar)
    return W_RopeUnicodeObject(rope.rope_from_unicharlist(result))


def _local_transform(node, transform):
    l = node.length()
    res = [u' '] * l
    iter = rope.ItemIterator(node)
    for i in range(l):
        ch = iter.nextint()
        res[i] = transform(ch)

    return W_RopeUnicodeObject(rope.rope_from_unicharlist(res))
_local_transform._annspecialcase_ = "specialize:arg(1)"

def _tolower(ordch):
    return unichr(unicodedb.tolower(ordch))
def unicode_lower__RopeUnicode(space, w_self):
    return _local_transform(w_self._node, _tolower)

def _toupper(ordch):
    return unichr(unicodedb.toupper(ordch))
def unicode_upper__RopeUnicode(space, w_self):
    return _local_transform(w_self._node, _toupper)

def _swapcase(ordch):
    if unicodedb.islower(ordch):
        return unichr(unicodedb.toupper(ordch))
    elif unicodedb.isupper(ordch):
        return unichr(unicodedb.tolower(ordch))
    else:
        return unichr(ordch)

def unicode_swapcase__RopeUnicode(space, w_self):
    return _local_transform(w_self._node, _swapcase)

def _convert_idx_params(space, w_self, w_start, w_end):
    self = w_self._node
    length = w_self._node.length()
    if space.is_w(w_start, space.w_None):
        w_start = space.wrap(0)
    if space.is_w(w_end, space.w_None):
        w_end = space.len(w_self)
    start = slicetype.adapt_bound(space, length, w_start)
    end = slicetype.adapt_bound(space, length, w_end)

    assert start >= 0
    assert end >= 0

    return (self, start, end)

def unicode_endswith__RopeUnicode_RopeUnicode_ANY_ANY(space, w_self, w_substr, w_start, w_end):
    self, start, end = _convert_idx_params(space, w_self, w_start, w_end)
    return space.newbool(rope.endswith(self, w_substr._node, start, end))

def unicode_startswith__RopeUnicode_RopeUnicode_ANY_ANY(space, w_self, w_substr, w_start, w_end):
    self, start, end = _convert_idx_params(space, w_self, w_start, w_end)
    # XXX this stuff can be waaay better for ootypebased backends if
    #     we re-use more of our rpython machinery (ie implement startswith
    #     with additional parameters as rpython)

    self, start, end = _convert_idx_params(space, w_self, w_start, w_end)
    return space.newbool(rope.startswith(self, w_substr._node, start, end))

def unicode_startswith__RopeUnicode_Tuple_ANY_ANY(space, w_unistr, w_prefixes,
                                              w_start, w_end):
    unistr, start, end = _convert_idx_params(space, w_unistr, w_start, w_end)
    for w_prefix in space.fixedview(w_prefixes):
        prefix = ropeunicode_w(space, w_prefix)
        if rope.startswith(unistr, prefix, start, end):
            return space.w_True
    return space.w_False

def unicode_endswith__RopeUnicode_Tuple_ANY_ANY(space, w_unistr, w_suffixes,
                                            w_start, w_end):
    unistr, start, end = _convert_idx_params(space, w_unistr, w_start, w_end)
    for w_suffix in space.fixedview(w_suffixes):
        suffix = ropeunicode_w(space, w_suffix)
        if rope.endswith(unistr, suffix, start, end):
            return space.w_True
    return space.w_False


def _to_unichar_w(space, w_char):
    try:
        unistr = ropeunicode_w(space, w_char)
    except OperationError, e:
        if e.match(space, space.w_TypeError):
            msg = 'The fill character cannot be converted to Unicode'
            raise OperationError(space.w_TypeError, space.wrap(msg))
        else:
            raise

    if unistr.length() != 1:
        raise OperationError(space.w_TypeError, space.wrap('The fill character must be exactly one character long'))
    return unistr

def unicode_center__RopeUnicode_ANY_ANY(space, w_self, w_width, w_fillchar):
    self = w_self._node
    length = self.length()
    width = space.int_w(w_width)
    fillchar = _to_unichar_w(space, w_fillchar)
    padding = width - length
    if padding < 0:
        return w_self.create_if_subclassed()
    offset = padding // 2
    pre = rope.multiply(fillchar, offset)
    post = rope.multiply(fillchar, (padding - offset))
    centered = rope.rebalance([pre, self, post])
    return W_RopeUnicodeObject(centered)

def unicode_ljust__RopeUnicode_ANY_ANY(space, w_self, w_width, w_fillchar):
    self = w_self._node
    length = self.length()
    width = space.int_w(w_width)
    fillchar = _to_unichar_w(space, w_fillchar)
    padding = width - length
    if padding < 0:
        return w_self.create_if_subclassed()
    resultnode = rope.concatenate(self, rope.multiply(fillchar, padding))
    return W_RopeUnicodeObject(resultnode)

def unicode_rjust__RopeUnicode_ANY_ANY(space, w_self, w_width, w_fillchar):
    self = w_self._node
    length = self.length()
    width = space.int_w(w_width)
    fillchar = _to_unichar_w(space, w_fillchar)
    padding = width - length
    if padding < 0:
        return w_self.create_if_subclassed()
    resultnode = rope.concatenate(rope.multiply(fillchar, padding), self)
    return W_RopeUnicodeObject(resultnode)

def unicode_zfill__RopeUnicode_ANY(space, w_self, w_width):
    self = w_self._node
    length = self.length()
    width = space.int_w(w_width)
    zero = rope.LiteralStringNode.PREBUILT[ord("0")]
    if self.length() == 0:
        return W_RopeUnicodeObject(
            rope.multiply(zero, width))
    padding = width - length
    if padding <= 0:
        return w_self.create_if_subclassed()
    firstchar = self.getunichar(0)
    if firstchar in (u'+', u'-'):
        return W_RopeUnicodeObject(rope.rebalance(
            [rope.LiteralStringNode.PREBUILT[ord(firstchar)],
             rope.multiply(zero, padding),
             rope.getslice_one(self, 1, length)]))
    else:
        return W_RopeUnicodeObject(rope.concatenate(
            rope.multiply(zero, padding), self))

def unicode_splitlines__RopeUnicode_ANY(space, w_self, w_keepends):
    keepends = bool(space.int_w(w_keepends))  # truth value, but type checked
    node = w_self._node
    return space.newlist(
        [W_RopeUnicodeObject(n) for n in rope.splitlines(node, keepends)])

def unicode_find__RopeUnicode_RopeUnicode_ANY_ANY(space, w_self, w_substr, w_start, w_end):
    self, start, end = _convert_idx_params(space, w_self, w_start, w_end)
    sub = w_substr._node
    return space.wrap(rope.find(self, sub, start, end))

def unicode_rfind__RopeUnicode_RopeUnicode_ANY_ANY(space, w_self, w_substr, w_start, w_end):
    self, start, end = _convert_idx_params(space, w_self, w_start, w_end)
    self = self.flatten_unicode()
    sub = w_substr._node.flatten_unicode()
    res = self.rfind(sub, start, end)
    return space.wrap(res)

def unicode_index__RopeUnicode_RopeUnicode_ANY_ANY(space, w_self, w_substr, w_start, w_end):
    self, start, end = _convert_idx_params(space, w_self, w_start, w_end)
    sub = w_substr._node
    res = rope.find(self, sub, start, end)
    if res < 0:
        raise OperationError(space.w_ValueError,
                             space.wrap("substring not found in string.index"))
    return space.wrap(res)

def unicode_rindex__RopeUnicode_RopeUnicode_ANY_ANY(space, w_self, w_substr, w_start, w_end):
    # XXX works but flattens string
    self, start, end = _convert_idx_params(space, w_self, w_start, w_end)
    self = self.flatten_unicode()
    sub = w_substr._node.flatten_unicode()
    res = self.rfind(sub, start, end)
    if res < 0:
        raise OperationError(space.w_ValueError,
                             space.wrap("substring not found in string.rindex"))

    return space.wrap(res)

def unicode_count__RopeUnicode_RopeUnicode_ANY_ANY(space, w_self, w_substr, w_start, w_end):
    self, start, end = _convert_idx_params(space, w_self, w_start, w_end)
    assert start >= 0
    assert end >= 0
    iter = rope.FindIterator(self, w_substr._node, start, end)
    i = 0
    while 1:
        try:
            index = iter.next()
        except StopIteration:
            break
        i += 1
    return space.wrap(i)

def unicode_split__RopeUnicode_None_ANY(space, w_self, w_none, w_maxsplit):
    selfnode = w_self._node
    maxsplit = space.int_w(w_maxsplit)
    res_w = [W_RopeUnicodeObject(node)
                for node in rope.split_chars(selfnode, maxsplit, _isspace)]
    return space.newlist(res_w)

def unicode_split__RopeUnicode_RopeUnicode_ANY(space, w_self, w_delim, w_maxsplit):
    maxsplit = space.int_w(w_maxsplit)
    start = 0
    selfnode = w_self._node
    delimnode = w_delim._node
    delimlen = delimnode.length()
    if delimlen == 0:
        raise OperationError(space.w_ValueError, space.wrap("empty separator"))
    res_w = [W_RopeUnicodeObject(node)
                for node in rope.split(selfnode, delimnode, maxsplit)]
    return space.newlist(res_w)

def unicode_rsplit__RopeUnicode_None_ANY(space, w_self, w_none, w_maxsplit):
    selfnode = w_self._node
    maxsplit = space.int_w(w_maxsplit)
    res_w = [W_RopeUnicodeObject(node)
                for node in rope.rsplit_chars(selfnode, maxsplit, _isspace)]
    return space.newlist(res_w)


def unicode_rsplit__RopeUnicode_RopeUnicode_ANY(space, w_self, w_delim, w_maxsplit):
    # XXX works but flattens
    self = w_self._node.flatten_unicode()
    delim = w_delim._node.flatten_unicode()
    maxsplit = space.int_w(w_maxsplit)
    delim_len = len(delim)
    if delim_len == 0:
        raise OperationError(space.w_ValueError,
                             space.wrap('empty separator'))
    parts = []
    if len(self) == 0:
        return space.newlist([])
    start = 0
    end = len(self)
    while maxsplit != 0:
        index = self.rfind(delim, 0, end)
        if index < 0:
            break
        parts.append(W_RopeUnicodeObject(
            rope.getslice_one(w_self._node, index+delim_len, end)))
        end = index
        maxsplit -= 1
    parts.append(W_RopeUnicodeObject(
        rope.getslice_one(w_self._node, 0, end)))
    parts.reverse()
    return space.newlist(parts)

def _split_into_chars(self, maxsplit):
    if maxsplit == 0:
        return [self]
    index = 0
    end = self.length()
    parts = [rope.LiteralStringNode.EMPTY]
    maxsplit -= 1
    while maxsplit != 0:
        if index >= end:
            break
        parts.append(self.getrope(index))
        index += 1
        maxsplit -= 1
    parts.append(rope.getslice_one(self, index, self.length()))
    return parts

def unicode_replace__RopeUnicode_RopeUnicode_RopeUnicode_ANY(
        space, w_self, w_old, w_new, w_maxsplit):
    self = w_self._node
    old = w_old._node
    maxsplit = space.int_w(w_maxsplit)
    oldlength = old.length()
    if not oldlength:
        parts = _split_into_chars(self, maxsplit)
        try:
            return W_RopeUnicodeObject(rope.join(w_new._node, parts))
        except OverflowError:
            raise OperationError(space.w_OverflowError,
                                 space.wrap("string too long"))
    substrings = rope.split(self, old, maxsplit)
    if not substrings:
        return w_self.create_if_subclassed()
    try:
        return W_RopeUnicodeObject(rope.join(w_new._node, substrings))
    except OverflowError:
        raise OperationError(space.w_OverflowError,
                             space.wrap("string too long"))


def unicode_encode__RopeUnicode_ANY_ANY(space, w_unistr,
                                        w_encoding=None,
                                        w_errors=None):

    from pypy.objspace.std.unicodetype import getdefaultencoding, \
        _get_encoding_and_errors
    encoding, errors = _get_encoding_and_errors(space, w_encoding, w_errors)
    if encoding is None:
        encoding = getdefaultencoding(space)
    return encode_unicode(space, w_unistr, encoding, errors)

def unicode_partition__RopeUnicode_RopeUnicode(space, w_unistr, w_unisub):
    self = w_unistr._node
    sub = w_unisub._node
    if not sub.length():
        raise OperationError(space.w_ValueError,
                             space.wrap("empty separator"))
    pos = rope.find(self, sub)
    if pos == -1:
        return space.newtuple([w_unistr, W_RopeUnicodeObject.EMPTY,
                               W_RopeUnicodeObject.EMPTY])
    else:
        return space.newtuple(
            [W_RopeUnicodeObject(rope.getslice_one(self, 0, pos)),
             w_unisub,
             W_RopeUnicodeObject(rope.getslice_one(self, pos + sub.length(),
                                            self.length()))])

def unicode_rpartition__RopeUnicode_RopeUnicode(space, w_unistr, w_unisub):
    # XXX works but flattens
    unistr = w_unistr._node.flatten_unicode()
    unisub = w_unisub._node.flatten_unicode()
    if not unisub:
        raise OperationError(space.w_ValueError,
                             space.wrap("empty separator"))
    pos = unistr.rfind(unisub)
    if pos == -1:
        return space.newtuple([W_RopeUnicodeObject.EMPTY,
                               W_RopeUnicodeObject.EMPTY, w_unistr])
    else:
        assert pos >= 0
        return space.newtuple([space.wrap(unistr[:pos]), w_unisub,
                               space.wrap(unistr[pos+len(unisub):])])


def unicode_expandtabs__RopeUnicode_ANY(space, w_self, w_tabsize):
    from pypy.objspace.std.ropeobject import _tabindent
    self = w_self._node
    tabsize  = space.int_w(w_tabsize)
    splitted = rope.split(self, rope.LiteralStringNode.PREBUILT[ord('\t')])
    last = splitted[0]
    expanded = [last]
    for i in range(1, len(splitted)):
        expanded.append(rope.multiply(rope.LiteralStringNode.PREBUILT[ord(" ")],
                                      _tabindent(last, tabsize)))
        last = splitted[i]
        expanded.append(last)
    try:
        return W_RopeUnicodeObject(rope.rebalance(expanded))
    except OverflowError:
        raise OperationError(space.w_OverflowError,
                             space.wrap("string too long"))

def unicode_translate__RopeUnicode_ANY(space, w_self, w_table):
    self = w_self._node
    w_sys = space.getbuiltinmodule('sys')
    maxunicode = space.int_w(space.getattr(w_sys, space.wrap("maxunicode")))
    result = []
    iter = rope.ItemIterator(self)
    for i in range(self.length()):
        crope = iter.nextrope()
        char = crope.getint(0)
        try:
            w_newval = space.getitem(w_table, space.wrap(char))
        except OperationError, e:
            if e.match(space, space.w_LookupError):
                result.append(crope)
            else:
                raise
        else:
            if space.is_w(w_newval, space.w_None):
                continue
            elif space.isinstance_w(w_newval, space.w_int):
                newval = space.int_w(w_newval)
                if newval < 0 or newval > maxunicode:
                    raise OperationError(
                            space.w_TypeError,
                            space.wrap("character mapping must be in range(0x%x)" % (maxunicode + 1,)))
                result.append(rope.rope_from_unichar(unichr(newval)))
            elif space.isinstance_w(w_newval, space.w_unicode):
                result.append(ropeunicode_w(space, w_newval))
            else:
                raise OperationError(
                    space.w_TypeError,
                    space.wrap("character mapping must return integer, None or unicode"))
    return W_RopeUnicodeObject(rope.join(rope.LiteralStringNode.EMPTY, result))

# Move this into the _codecs module as 'unicodeescape_string (Remember to cater for quotes)'
def repr__RopeUnicode(space, w_unicode):
    hexdigits = "0123456789abcdef"
    node = w_unicode._node
    size = node.length()

    singlequote = doublequote = False
    iter = rope.ItemIterator(node)
    for i in range(size):
        c = iter.nextunichar()
        if singlequote and doublequote:
            break
        if c == u'\'':
            singlequote = True
        elif c == u'"':
            doublequote = True
    if singlequote and not doublequote:
        quote = '"'
    else:
        quote = '\''
    result = ['u', quote]
    iter = rope.ItemIterator(node)
    j = 0
    while j < size:
        code = iter.nextint()
        if code >= 0x10000:
            result.extend(['\\', "U",
                           hexdigits[(code >> 28) & 0xf],
                           hexdigits[(code >> 24) & 0xf],
                           hexdigits[(code >> 20) & 0xf],
                           hexdigits[(code >> 16) & 0xf],
                           hexdigits[(code >> 12) & 0xf],
                           hexdigits[(code >>  8) & 0xf],
                           hexdigits[(code >>  4) & 0xf],
                           hexdigits[(code >>  0) & 0xf],
                           ])
            j += 1
            continue
        if code >= 0xD800 and code < 0xDC00:
            if j < size - 1:
                code2 = iter.nextint()
                # XXX this is wrong: if the next if is false,
                # code2 is lost
                if code2 >= 0xDC00 and code2 <= 0xDFFF:
                    code = (((code & 0x03FF) << 10) | (code2 & 0x03FF)) + 0x00010000
                    result.extend(['\\', "U",
                                   hexdigits[(code >> 28) & 0xf],
                                   hexdigits[(code >> 24) & 0xf],
                                   hexdigits[(code >> 20) & 0xf],
                                   hexdigits[(code >> 16) & 0xf],
                                   hexdigits[(code >> 12) & 0xf],
                                   hexdigits[(code >>  8) & 0xf],
                                   hexdigits[(code >>  4) & 0xf],
                                   hexdigits[(code >>  0) & 0xf],
                                  ])
                    j += 2
                    continue

        if code >= 0x100:
            result.extend(['\\', "u",
                           hexdigits[(code >> 12) & 0xf],
                           hexdigits[(code >>  8) & 0xf],
                           hexdigits[(code >>  4) & 0xf],
                           hexdigits[(code >>  0) & 0xf],
                          ])
            j += 1
            continue
        if code == ord('\\') or code == ord(quote):
            result.append('\\')
            result.append(chr(code))
            j += 1
            continue
        if code == ord('\t'):
            result.append('\\')
            result.append('t')
            j += 1
            continue
        if code == ord('\r'):
            result.append('\\')
            result.append('r')
            j += 1
            continue
        if code == ord('\n'):
            result.append('\\')
            result.append('n')
            j += 1
            continue
        if code < ord(' ') or code >= 0x7f:
            result.extend(['\\', "x",
                           hexdigits[(code >> 4) & 0xf],
                           hexdigits[(code >> 0) & 0xf],
                          ])
            j += 1
            continue
        result.append(chr(code))
        j += 1
    result.append(quote)
    return W_RopeObject(rope.rope_from_charlist(result))

def mod__RopeUnicode_ANY(space, w_format, w_values):
    return mod_format(space, w_format, w_values, do_unicode=True)

def buffer__RopeUnicode(space, w_unicode):
    from pypy.rlib.rstruct.unichar import pack_unichar, UNICODE_SIZE
    node = w_unicode._node
    iter = rope.ItemIterator(node)
    length = node.length()
    builder = StringBuilder(length * UNICODE_SIZE)
    for idx in range(length):
        unich = unichr(iter.nextint())
        pack_unichar(unich, builder)
    from pypy.interpreter.buffer import StringBuffer
    return space.wrap(StringBuffer(builder.build()))


# methods of the iterator

def iter__RopeUnicodeIter(space, w_ropeiter):
    return w_ropeiter

def next__RopeUnicodeIter(space, w_ropeiter):
    if w_ropeiter.node is None:
        raise OperationError(space.w_StopIteration, space.w_None)
    try:
        unichar = w_ropeiter.item_iter.nextunichar()
        w_item = space.wrap(unichar)
    except StopIteration:
        w_ropeiter.node = None
        w_ropeiter.char_iter = None
        raise OperationError(space.w_StopIteration, space.w_None)
    w_ropeiter.index += 1
    return w_item

# XXX __length_hint__()
##def len__RopeUnicodeIter(space,  w_ropeiter):
##    if w_ropeiter.node is None:
##        return space.wrap(0)
##    index = w_ropeiter.index
##    length = w_ropeiter.node.length()
##    result = length - index
##    if result < 0:
##        return space.wrap(0)
##    return space.wrap(result)

from pypy.objspace.std import unicodetype
register_all(vars(), unicodetype)

# str.strip(unicode) needs to convert self to unicode and call unicode.strip we
# use the following magic to register strip_string_unicode as a String
# multimethod.

# XXX couldn't string and unicode _share_ the multimethods that make up their
# methods?

class str_methods:
    from pypy.objspace.std import stringtype
    W_RopeUnicodeObject = W_RopeUnicodeObject
    from pypy.objspace.std.ropeobject import W_RopeObject
    def str_strip__Rope_RopeUnicode(space, w_self, w_chars):
        return space.call_method(unicode_from_string(space, w_self),
                                 'strip', w_chars)
    def str_lstrip__Rope_RopeUnicode(space, w_self, w_chars):
        return space.call_method(unicode_from_string(space, w_self),
                                 'lstrip', w_chars)
    def str_rstrip__Rope_RopeUnicode(space, w_self, w_chars):
        return space.call_method(unicode_from_string(space, w_self),
                                 'rstrip', w_chars)
    def str_count__Rope_RopeUnicode_ANY_ANY(space, w_self, w_substr, w_start, w_end):
        return space.call_method(unicode_from_string(space, w_self),
                                 'count', w_substr, w_start, w_end)
    def str_find__Rope_RopeUnicode_ANY_ANY(space, w_self, w_substr, w_start, w_end):
        return space.call_method(unicode_from_string(space, w_self),
                                 'find', w_substr, w_start, w_end)
    def str_rfind__Rope_RopeUnicode_ANY_ANY(space, w_self, w_substr, w_start, w_end):
        return space.call_method(unicode_from_string(space, w_self),
                                 'rfind', w_substr, w_start, w_end)
    def str_index__Rope_RopeUnicode_ANY_ANY(space, w_self, w_substr, w_start, w_end):
        return space.call_method(unicode_from_string(space, w_self),
                                 'index', w_substr, w_start, w_end)
    def str_rindex__Rope_RopeUnicode_ANY_ANY(space, w_self, w_substr, w_start, w_end):
        return space.call_method(unicode_from_string(space, w_self),
                                 'rindex', w_substr, w_start, w_end)
    def str_replace__Rope_RopeUnicode_RopeUnicode_ANY(space, w_self, w_old, w_new, w_maxsplit):
        return space.call_method(unicode_from_string(space, w_self),
                                 'replace', w_old, w_new, w_maxsplit)
    def str_split__Rope_RopeUnicode_ANY(space, w_self, w_delim, w_maxsplit):
        return space.call_method(unicode_from_string(space, w_self),
                                 'split', w_delim, w_maxsplit)
    def str_rsplit__Rope_RopeUnicode_ANY(space, w_self, w_delim, w_maxsplit):
        return space.call_method(unicode_from_string(space, w_self),
                                 'rsplit', w_delim, w_maxsplit)
    register_all(vars(), stringtype)
Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for ProjectModifiedEvent.java.
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
Tip: Use ↑ and ↓ arrow keys to navigate and return to view the file.
Tip: You can also navigate files with Ctrl+j (next) and Ctrl+k (previous) and view the file with Ctrl+o.
Tip: You can also navigate files with Alt+j (next) and Alt+k (previous) and view the file with Alt+o.