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@PierreQuentel
First import
Sep 5, 2014
1
;(function($B){
2
@PierreQuentel
Limit the use of "eval('function()')" to reduce memory leaks on Firefox
Jul 13, 2018
3
var bltns = $B.InjectBuiltins()
4
eval(bltns)
@PierreQuentel
First import
Sep 5, 2014
5
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
6
// build tables from data in unicode_data.js
@PierreQuentel
Generate internal tables for Unicode in unicode_data.js instead of py…
Oct 22, 2019
7
var unicode_tables = $B.unicode_tables
@PierreQuentel
First import
Sep 5, 2014
8
str
Feb 10, 2018
9
var str = {
Coding style
Mar 19, 2018
10
__class__: _b_.type,
11
__dir__: object.__dir__,
Fixes #1007 : __name__ should not be an attribute of bool values, int…
Jan 2, 2019
12
$infos: {
13
__module__: "builtins",
14
__name__: "str"
15
},
str
Feb 10, 2018
16
$is_class: true,
Coding style
Mar 19, 2018
17
$native: true
@PierreQuentel
First import
Sep 5, 2014
18
}
19
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
20
function normalize_start_end($){
Coding style
Mar 19, 2018
21
if($.start === null || $.start === _b_.None){$.start = 0}
22
else if($.start < 0){
23
$.start += $.self.length
24
$.start = Math.max(0, $.start)
25
}
26
if($.end === null || $.end === _b_.None){$.end = $.self.length}
27
else if($.end < 0){
28
$.end += $.self.length
29
$.end = Math.max(0, $.end)
30
}
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
31
Coding style
Mar 19, 2018
32
if(! isinstance($.start, _b_.int) || ! isinstance($.end, _b_.int)){
33
throw _b_.TypeError.$factory("slice indices must be integers " +
34
"or None or have an __index__ method")
35
}
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
36
37
}
38
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
39
function reverse(s){
40
// Reverse a string
Coding style
Mar 19, 2018
41
return s.split("").reverse().join("")
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
42
}
43
44
function check_str(obj){
Coding style
Mar 19, 2018
45
if(! _b_.isinstance(obj, str)){
Coding style
Mar 21, 2018
46
throw _b_.TypeError.$factory("can't convert '" +
Replace occurrences of $B.get_class(obj).__name__ by $B.class_name(ob…
Jan 3, 2019
47
$B.class_name(obj) + "' object to str implicitly")
Coding style
Mar 19, 2018
48
}
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
49
}
50
str
Feb 10, 2018
51
str.__add__ = function(self,other){
Coding style
Mar 19, 2018
52
if(!(typeof other === "string")){
53
try{return getattr(other, "__radd__")(self)}
54
catch(err){
55
throw _b_.TypeError.$factory("Can't convert " +
Replace occurrences of $B.get_class(obj).__name__ by $B.class_name(ob…
Jan 3, 2019
56
$B.class_name(other) + " to str implicitly")}
@PierreQuentel
First import
Sep 5, 2014
57
}
Coding style
Mar 19, 2018
58
return self + other
@PierreQuentel
First import
Sep 5, 2014
59
}
60
Coding style
Mar 19, 2018
61
str.__contains__ = function(self, item){
Fixes #1365 : strings with surrogate pairs (was: re module may be cra…
Apr 25, 2020
62
if(! _b_.isinstance(item, str)){
Coding style
Mar 19, 2018
63
throw _b_.TypeError.$factory("'in <string>' requires " +
64
"string as left operand, not " + item.__class__)
65
}
Fixes #1365 : strings with surrogate pairs (was: re module may be cra…
Apr 25, 2020
66
if(typeof item == "string"){
67
var nbcar = item.length
68
}else{
69
var nbcar = _b_.len(item)
70
}
Coding style
Mar 19, 2018
71
if(nbcar == 0) {return true} // a string contains the empty string
72
if(self.length == 0){return nbcar == 0}
73
for(var i = 0, len = self.length; i < len; i++){
74
if(self.substr(i, nbcar) == item){return true}
@PierreQuentel
First import
Sep 5, 2014
75
}
76
return false
77
}
78
str
Feb 10, 2018
79
str.__delitem__ = function(){
Implement exceptions as new-style classes
Feb 10, 2018
80
throw _b_.TypeError.$factory("'str' object doesn't support item deletion")
@PierreQuentel
First import
Sep 5, 2014
81
}
82
Coding style
Mar 19, 2018
83
// __dir__must be assigned explicitely because attribute resolution for
84
// builtin classes doesn't use __mro__
str
Feb 10, 2018
85
str.__dir__ = object.__dir__
Merged with legacy_format_refactor
Jan 14, 2015
86
str
Feb 10, 2018
87
str.__eq__ = function(self,other){
Coding style
Mar 19, 2018
88
if(other === undefined){ // compare object "self" to class "str"
89
return self === str
@PierreQuentel
First import
Sep 5, 2014
90
}
Coding style
Mar 23, 2018
91
if(_b_.isinstance(other, _b_.str)){
Merged with legacy_format_refactor
Jan 14, 2015
92
return other.valueOf() == self.valueOf()
93
}
Impacts of dict implementation change in other scripts
Dec 10, 2018
94
return _b_.NotImplemented
@PierreQuentel
First import
Sep 5, 2014
95
}
96
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
97
function preformat(self, fmt){
str
Feb 10, 2018
98
if(fmt.empty){return _b_.str.$factory(self)}
Coding style
Mar 19, 2018
99
if(fmt.type && fmt.type != "s"){
100
throw _b_.ValueError.$factory("Unknown format code '" + fmt.type +
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
101
"' for object of type 'str'")
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
102
}
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
103
return self
104
}
105
str
Feb 10, 2018
106
str.__format__ = function(self, format_spec) {
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
107
var fmt = new $B.parse_format_spec(format_spec)
Coding style
Mar 19, 2018
108
if(fmt.sign !== undefined){
109
throw _b_.ValueError.$factory(
110
"Sign not allowed in string format specifier")
Raise an exception if a string format specifier has a sign
Sep 24, 2017
111
}
Fixes #1396 : string formatting - precision truncation not up to spec
May 21, 2020
112
if(fmt.precision){
113
self = self.substr(0, fmt.precision)
114
}
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
115
// For strings, alignment default to left
Coding style
Mar 19, 2018
116
fmt.align = fmt.align || "<"
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
117
return $B.format_width(preformat(self, fmt), fmt)
@PierreQuentel
First import
Sep 5, 2014
118
}
119
str
Feb 10, 2018
120
str.__getitem__ = function(self,arg){
Coding style
Mar 19, 2018
121
if(isinstance(arg, _b_.int)){
@PierreQuentel
First import
Sep 5, 2014
122
var pos = arg
Coding style
Mar 19, 2018
123
if(arg < 0) {pos += self.length}
124
if(pos >= 0 && pos < self.length){return self.charAt(pos)}
125
throw _b_.IndexError.$factory("string index out of range")
126
}
127
if(isinstance(arg, slice)) {
128
var s = _b_.slice.$conv_for_seq(arg, self.length),
129
start = s.start,
130
stop = s.stop,
131
step = s.step
132
var res = "",
Coding style
Mar 19, 2018
133
i = null
Coding style
Mar 19, 2018
134
if(step > 0){
135
if(stop <= start){return ""}
136
for(var i = start; i < stop; i += step){res += self.charAt(i)}
Coding style
Mar 23, 2018
137
}else{
Coding style
Mar 19, 2018
138
if(stop >= start){return ''}
139
for(var i = start; i > stop; i += step){res += self.charAt(i)}
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
140
}
@PierreQuentel
First import
Sep 5, 2014
141
return res
142
}
Fix minor bug in py_string.js
May 20, 2018
143
if(isinstance(arg, _b_.bool)){return self.__getitem__(_b_.int.$factory(arg))}
Coding style
Mar 19, 2018
144
throw _b_.TypeError.$factory("string indices must be integers")
@PierreQuentel
First import
Sep 5, 2014
145
}
146
Change algorithm to compute hash of strings
Dec 20, 2018
147
var prefix = 2,
148
suffix = 3,
Cache string hash
Jun 12, 2020
149
mask = (2 ** 32 - 1),
150
str_hash_cache = {}
151
When str hash cache is reset, update the counter
Jun 18, 2020
152
str.$nb_str_hash_cache = 0
Cache string hash
Jun 12, 2020
153
Change algorithm to compute hash of strings
Dec 20, 2018
154
function fnv(p){
155
if(p.length == 0){
156
return 0
157
}
@PierreQuentel
First import
Sep 5, 2014
158
Change algorithm to compute hash of strings
Dec 20, 2018
159
var x = prefix
160
x = (x ^ (p.charCodeAt(0) << 7)) & mask
161
for(var i = 0, len = p.length; i < len; i++){
162
x = ((1000003 * x) ^ p.charCodeAt(i)) & mask
163
}
164
x = (x ^ p.length) & mask
165
x = (x ^ suffix) & mask
@PierreQuentel
First import
Sep 5, 2014
166
Change algorithm to compute hash of strings
Dec 20, 2018
167
if(x == -1){
168
x = -2
169
}
170
return x
171
}
Add methods get_test.py() and post() to ajax objects
Jan 4, 2019
172
Change algorithm to compute hash of strings
Dec 20, 2018
173
str.__hash__ = function(self) {
Cache string hash
Jun 12, 2020
174
if(str_hash_cache[self] !== undefined){
175
return str_hash_cache[self]
176
}
When str hash cache is reset, update the counter
Jun 18, 2020
177
str.$nb_str_hash_cache++
178
if(str.$nb_str_hash_cache > 100000){
Limit size of string hash cache
Jun 18, 2020
179
// Avoid memory overflow
When str hash cache is reset, update the counter
Jun 18, 2020
180
str.$nb_str_hash_cache = 0
Limit size of string hash cache
Jun 18, 2020
181
str_hash_cache = {}
182
}
Cache string hash
Jun 12, 2020
183
return str_hash_cache[self] = fnv(self)
@PierreQuentel
First import
Sep 5, 2014
184
}
185
Coding style
Mar 19, 2018
186
str.__init__ = function(self, arg){
@PierreQuentel
First import
Sep 5, 2014
187
self.valueOf = function(){return arg}
188
self.toString = function(){return arg}
@PierreQuentel
Fixes #253 : some builtin functions that should return None instead r…
Aug 24, 2015
189
return _b_.None
@PierreQuentel
First import
Sep 5, 2014
190
}
191
Simplify implementation of iteration on built-in types. Change implem…
Apr 3, 2019
192
var str_iterator = $B.make_iterator_class("str_iterator")
str
Feb 10, 2018
193
str.__iter__ = function(self){
Fixes #1365 : strings with surrogate pairs (was: re module may be cra…
Apr 25, 2020
194
var items = self.split("")
Simplify implementation of iteration on built-in types. Change implem…
Apr 3, 2019
195
return str_iterator.$factory(items)
@PierreQuentel
First import
Sep 5, 2014
196
}
197
Fixes #1365 : strings with surrogate pairs (was: re module may be cra…
Apr 25, 2020
198
str.__len__ = function(self){
199
return self.length
200
}
@PierreQuentel
First import
Sep 5, 2014
201
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
202
// Start of section for legacy formatting (with %)
203
Coding style
Mar 19, 2018
204
var kwarg_key = new RegExp("([^\\)]*)\\)")
Merged with legacy_format_refactor
Jan 14, 2015
205
206
var NotANumber = function() {
Coding style
Mar 19, 2018
207
this.name = "NotANumber"
Merged with legacy_format_refactor
Jan 14, 2015
208
}
209
Coding style
Mar 19, 2018
210
var number_check = function(s){
211
if(! isinstance(s, [_b_.int, _b_.float])){
Merged with legacy_format_refactor
Jan 14, 2015
212
throw new NotANumber()
213
}
214
}
215
Coding style
Mar 19, 2018
216
var get_char_array = function(size, char){
Coding style
Mar 23, 2018
217
if(size <= 0){return ""}
Merged with legacy_format_refactor
Jan 14, 2015
218
return new Array(size + 1).join(char)
219
}
220
Coding style
Mar 19, 2018
221
var format_padding = function(s, flags, minus_one){
Merged with legacy_format_refactor
Jan 14, 2015
222
var padding = flags.padding
Coding style
Mar 23, 2018
223
if(! padding){ // undefined
Merged with legacy_format_refactor
Jan 14, 2015
224
return s
225
}
226
s = s.toString()
227
padding = parseInt(padding, 10)
Coding style
Mar 23, 2018
228
if(minus_one){ // numeric formatting where sign goes in front of padding
Merged with legacy_format_refactor
Jan 14, 2015
229
padding -= 1
230
}
Coding style
Mar 19, 2018
231
if(! flags.left){
Merged with legacy_format_refactor
Jan 14, 2015
232
return get_char_array(padding - s.length, flags.pad_char) + s
Coding style
Mar 19, 2018
233
}else{
Merged with legacy_format_refactor
Jan 14, 2015
234
// left adjusted
235
return s + get_char_array(padding - s.length, flags.pad_char)
236
}
237
}
238
Coding style
Mar 19, 2018
239
var format_int_precision = function(val, flags){
Merged with legacy_format_refactor
Jan 14, 2015
240
var precision = flags.precision
Coding style
Mar 19, 2018
241
if(!precision){
Merged with legacy_format_refactor
Jan 14, 2015
242
return val.toString()
243
}
244
precision = parseInt(precision, 10)
@earney
fix int precision issue when int is a long int
Jun 18, 2015
245
var s
Coding style
Mar 19, 2018
246
if(val.__class__ === $B.long_int){
247
s = $B.long_int.to_base(val, 10)
248
}else{
249
s = val.toString()
@earney
fix int precision issue when int is a long int
Jun 18, 2015
250
}
Coding style
Mar 19, 2018
251
if(s[0] === "-"){
252
return "-" + get_char_array(precision - s.length + 1, "0") + s.slice(1)
Merged with legacy_format_refactor
Jan 14, 2015
253
}
Coding style
Mar 19, 2018
254
return get_char_array(precision - s.length, "0") + s
Merged with legacy_format_refactor
Jan 14, 2015
255
}
256
Coding style
Mar 19, 2018
257
var format_float_precision = function(val, upper, flags, modifier){
Merged with legacy_format_refactor
Jan 14, 2015
258
var precision = flags.precision
259
// val is a float
Coding style
Mar 19, 2018
260
if(isFinite(val)){
Fix bug with float formatting
Dec 22, 2016
261
return modifier(val, precision, flags, upper)
Merged with legacy_format_refactor
Jan 14, 2015
262
}
Coding style
Mar 19, 2018
263
if(val === Infinity){
264
val = "inf"
265
}else if(val === -Infinity){
266
val = "-inf"
267
}else{
268
val = "nan"
Merged with legacy_format_refactor
Jan 14, 2015
269
}
Coding style
Mar 19, 2018
270
if(upper){
Merged with legacy_format_refactor
Jan 14, 2015
271
return val.toUpperCase()
272
}
273
return val
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
274
Merged with legacy_format_refactor
Jan 14, 2015
275
}
276
Coding style
Mar 19, 2018
277
var format_sign = function(val, flags){
278
if(flags.sign){
279
if(val >= 0){
Merged with legacy_format_refactor
Jan 14, 2015
280
return "+"
@PierreQuentel
First import
Sep 5, 2014
281
}
Coding style
Mar 19, 2018
282
}else if (flags.space){
283
if(val >= 0){
Merged with legacy_format_refactor
Jan 14, 2015
284
return " "
285
}
286
}
287
return ""
288
}
@PierreQuentel
First import
Sep 5, 2014
289
Merged with legacy_format_refactor
Jan 14, 2015
290
var str_format = function(val, flags) {
291
// string format supports left and right padding
292
flags.pad_char = " " // even if 0 padding is defined, don't use it
str
Feb 10, 2018
293
return format_padding(str.$factory(val), flags)
Merged with legacy_format_refactor
Jan 14, 2015
294
}
@PierreQuentel
First import
Sep 5, 2014
295
Merged with legacy_format_refactor
Jan 14, 2015
296
var num_format = function(val, flags) {
297
number_check(val)
Coding style
Mar 19, 2018
298
if(val.__class__ === $B.long_int){
299
val = $B.long_int.to_base(val, 10)
300
}else{
301
val = parseInt(val)
@earney
make string format compatible with long int
Jun 7, 2015
302
}
303
Merged with legacy_format_refactor
Jan 14, 2015
304
var s = format_int_precision(val, flags)
Coding style
Mar 19, 2018
305
if(flags.pad_char === "0"){
306
if(val < 0){
Merged with legacy_format_refactor
Jan 14, 2015
307
s = s.substring(1)
Coding style
Mar 19, 2018
308
return "-" + format_padding(s, flags, true)
Merged with legacy_format_refactor
Jan 14, 2015
309
}
310
var sign = format_sign(val, flags)
Coding style
Mar 19, 2018
311
if(sign !== ""){
Merged with legacy_format_refactor
Jan 14, 2015
312
return sign + format_padding(s, flags, true)
313
}
314
}
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
315
Merged with legacy_format_refactor
Jan 14, 2015
316
return format_padding(format_sign(val, flags) + s, flags)
317
}
@PierreQuentel
First import
Sep 5, 2014
318
Merged with legacy_format_refactor
Jan 14, 2015
319
var repr_format = function(val, flags) {
320
flags.pad_char = " " // even if 0 padding is defined, don't use it
321
return format_padding(repr(val), flags)
322
}
@PierreQuentel
First import
Sep 5, 2014
323
Merged with legacy_format_refactor
Jan 14, 2015
324
var ascii_format = function(val, flags) {
325
flags.pad_char = " " // even if 0 padding is defined, don't use it
326
return format_padding(ascii(val), flags)
327
}
@PierreQuentel
First import
Sep 5, 2014
328
Set of minor bug fixes and improvements
Sep 11, 2017
329
// converts val to float and sets precision if missing
Coding style
Mar 19, 2018
330
var _float_helper = function(val, flags){
Merged with legacy_format_refactor
Jan 14, 2015
331
number_check(val)
Coding style
Mar 19, 2018
332
if(! flags.precision){
333
if(! flags.decimal_point){
Merged with legacy_format_refactor
Jan 14, 2015
334
flags.precision = 6
Coding style
Mar 19, 2018
335
}else{
Merged with legacy_format_refactor
Jan 14, 2015
336
flags.precision = 0
337
}
Coding style
Mar 19, 2018
338
}else{
Merged with legacy_format_refactor
Jan 14, 2015
339
flags.precision = parseInt(flags.precision, 10)
340
validate_precision(flags.precision)
341
}
342
return parseFloat(val)
343
}
@PierreQuentel
First import
Sep 5, 2014
344
Merged with legacy_format_refactor
Jan 14, 2015
345
// used to capture and remove trailing zeroes
Coding style
Mar 19, 2018
346
var trailing_zeros = /(.*?)(0+)([eE].*)/,
347
leading_zeros = /\.(0*)/,
348
trailing_dot = /\.$/
@PierreQuentel
First import
Sep 5, 2014
349
Merged with legacy_format_refactor
Jan 14, 2015
350
var validate_precision = function(precision) {
351
// force precision to limits of javascript
Coding style
Mar 19, 2018
352
if(precision > 20){precision = 20}
Merged with legacy_format_refactor
Jan 14, 2015
353
}
354
355
// gG
Coding style
Mar 19, 2018
356
var floating_point_format = function(val, upper, flags){
357
val = _float_helper(val, flags),
358
v = val.toString(),
359
v_len = v.length,
360
dot_idx = v.indexOf('.')
361
if(dot_idx < 0){dot_idx = v_len}
362
if(val < 1 && val > -1){
363
var zeros = leading_zeros.exec(v),
364
numzeros
365
if(zeros){
Merged with legacy_format_refactor
Jan 14, 2015
366
numzeros = zeros[1].length
Coding style
Mar 19, 2018
367
}else{
Merged with legacy_format_refactor
Jan 14, 2015
368
numzeros = 0
369
}
Coding style
Mar 19, 2018
370
if(numzeros >= 4){
371
val = format_sign(val, flags) + format_float_precision(val, upper,
372
flags, _floating_g_exp_helper)
373
if(!flags.alternate){
Merged with legacy_format_refactor
Jan 14, 2015
374
var trl = trailing_zeros.exec(val)
Coding style
Mar 19, 2018
375
if(trl){
376
val = trl[1].replace(trailing_dot, "") + trl[3] // remove trailing
@PierreQuentel
Huge set of changes in core Brython scripts : new names and namespace…
Oct 8, 2014
377
}
Coding style
Mar 19, 2018
378
}else{
379
if(flags.precision <= 1){
380
val = val[0] + "." + val.substring(1)
@PierreQuentel
Huge set of changes in core Brython scripts : new names and namespace…
Oct 8, 2014
381
}
Merged with legacy_format_refactor
Jan 14, 2015
382
}
383
return format_padding(val, flags)
384
}
Fix bug with float formatting
Dec 22, 2016
385
flags.precision = (flags.precision || 0) + numzeros
Coding style
Mar 19, 2018
386
return format_padding(format_sign(val, flags) +
387
format_float_precision(val, upper, flags,
388
function(val, precision) {
389
return val.toFixed(min(precision, v_len - dot_idx) +
390
numzeros)
391
}),
392
flags
393
)
394
}
395
396
if(dot_idx > flags.precision){
397
val = format_sign(val, flags) + format_float_precision(val, upper,
398
flags, _floating_g_exp_helper)
399
if(! flags.alternate){
Merged with legacy_format_refactor
Jan 14, 2015
400
var trl = trailing_zeros.exec(val)
Coding style
Mar 19, 2018
401
if(trl){
402
val = trl[1].replace(trailing_dot, "") + trl[3] // remove trailing
Merged with legacy_format_refactor
Jan 14, 2015
403
}
Coding style
Mar 19, 2018
404
}else{
405
if(flags.precision <= 1){
406
val = val[0] + "." + val.substring(1)
Merged with legacy_format_refactor
Jan 14, 2015
407
}
408
}
409
return format_padding(val, flags)
410
}
Coding style
Mar 19, 2018
411
return format_padding(format_sign(val, flags) +
412
format_float_precision(val, upper, flags,
413
function(val, precision) {
414
if(!flags.decimal_point){
415
precision = min(v_len - 1, 6)
416
}else if (precision > v_len){
417
if(! flags.alternate){
418
precision = v_len
419
}
@PierreQuentel
First import
Sep 5, 2014
420
}
Coding style
Mar 19, 2018
421
if(precision < dot_idx){
422
precision = dot_idx
423
}
424
return val.toFixed(precision - dot_idx)
425
}),
426
flags
427
)
Merged with legacy_format_refactor
Jan 14, 2015
428
}
@PierreQuentel
First import
Sep 5, 2014
429
Coding style
Mar 19, 2018
430
var _floating_g_exp_helper = function(val, precision, flags, upper){
431
if(precision){--precision}
Merged with legacy_format_refactor
Jan 14, 2015
432
val = val.toExponential(precision)
433
// pad exponent to two digits
Coding style
Mar 19, 2018
434
var e_idx = val.lastIndexOf("e")
435
if(e_idx > val.length - 4){
436
val = val.substring(0, e_idx + 2) + "0" + val.substring(e_idx + 2)
Merged with legacy_format_refactor
Jan 14, 2015
437
}
Coding style
Mar 19, 2018
438
if(upper){return val.toUpperCase()}
Merged with legacy_format_refactor
Jan 14, 2015
439
return val
440
}
441
442
// fF
443
var floating_point_decimal_format = function(val, upper, flags) {
444
val = _float_helper(val, flags)
Coding style
Mar 19, 2018
445
return format_padding(format_sign(val, flags) +
446
format_float_precision(val, upper, flags,
447
function(val, precision, flags) {
448
val = val.toFixed(precision)
449
if(precision === 0 && flags.alternate){
450
val += '.'
451
}
452
return val
453
}),
454
flags
455
)
Merged with legacy_format_refactor
Jan 14, 2015
456
}
457
458
var _floating_exp_helper = function(val, precision, flags, upper) {
459
val = val.toExponential(precision)
460
// pad exponent to two digits
Coding style
Mar 19, 2018
461
var e_idx = val.lastIndexOf("e")
Coding style
Mar 23, 2018
462
if(e_idx > val.length - 4){
Coding style
Mar 19, 2018
463
val = val.substring(0, e_idx + 2) + "0" + val.substring(e_idx + 2)
Merged with legacy_format_refactor
Jan 14, 2015
464
}
Coding style
Mar 19, 2018
465
if(upper){return val.toUpperCase()}
Merged with legacy_format_refactor
Jan 14, 2015
466
return val
467
}
468
469
// eE
Coding style
Mar 19, 2018
470
var floating_point_exponential_format = function(val, upper, flags){
Merged with legacy_format_refactor
Jan 14, 2015
471
val = _float_helper(val, flags)
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
472
Coding style
Mar 19, 2018
473
return format_padding(format_sign(val, flags) +
474
format_float_precision(val, upper, flags, _floating_exp_helper), flags)
Merged with legacy_format_refactor
Jan 14, 2015
475
}
476
Coding style
Mar 19, 2018
477
var signed_hex_format = function(val, upper, flags){
@earney
make string format compatible with long int
Jun 7, 2015
478
var ret
Merged with legacy_format_refactor
Jan 14, 2015
479
number_check(val)
@earney
make string format compatible with long int
Jun 7, 2015
480
Coding style
Mar 23, 2018
481
if(val.__class__ === $B.long_int){
Coding style
Mar 19, 2018
482
ret = $B.long_int.to_base(val, 16)
483
}else{
@earney
make string format compatible with long int
Jun 7, 2015
484
ret = parseInt(val)
485
ret = ret.toString(16)
486
}
Merged with legacy_format_refactor
Jan 14, 2015
487
ret = format_int_precision(ret, flags)
Coding style
Mar 19, 2018
488
if(upper){ret = ret.toUpperCase()}
Coding style
Mar 23, 2018
489
if(flags.pad_char === "0"){
Coding style
Mar 19, 2018
490
if(val < 0){
Merged with legacy_format_refactor
Jan 14, 2015
491
ret = ret.substring(1)
Coding style
Mar 19, 2018
492
ret = "-" + format_padding(ret, flags, true)
Merged with legacy_format_refactor
Jan 14, 2015
493
}
494
var sign = format_sign(val, flags)
Coding style
Mar 19, 2018
495
if(sign !== ""){
Merged with legacy_format_refactor
Jan 14, 2015
496
ret = sign + format_padding(ret, flags, true)
@PierreQuentel
First import
Sep 5, 2014
497
}
Merged with legacy_format_refactor
Jan 14, 2015
498
}
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
499
Coding style
Mar 19, 2018
500
if(flags.alternate){
501
if(ret.charAt(0) === "-"){
502
if(upper){ret = "-0X" + ret.slice(1)}
503
else{ret = "-0x" + ret.slice(1)}
504
}else{
505
if(upper){ret = "0X" + ret}
506
else{ret = "0x" + ret}
Merged with legacy_format_refactor
Jan 14, 2015
507
}
508
}
509
return format_padding(format_sign(val, flags) + ret, flags)
510
}
@PierreQuentel
First import
Sep 5, 2014
511
Merged with legacy_format_refactor
Jan 14, 2015
512
var octal_format = function(val, flags) {
513
number_check(val)
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
514
var ret
@earney
also long int octal string formatting....
Jun 7, 2015
515
Coding style
Mar 19, 2018
516
if(val.__class__ === $B.long_int){
517
ret = $B.long_int.to_base(8)
518
}else{
519
ret = parseInt(val)
520
ret = ret.toString(8)
@earney
also long int octal string formatting....
Jun 7, 2015
521
}
522
Merged with legacy_format_refactor
Jan 14, 2015
523
ret = format_int_precision(ret, flags)
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
524
Coding style
Mar 19, 2018
525
if(flags.pad_char === "0"){
526
if(val < 0){
Merged with legacy_format_refactor
Jan 14, 2015
527
ret = ret.substring(1)
Coding style
Mar 19, 2018
528
ret = "-" + format_padding(ret, flags, true)
Merged with legacy_format_refactor
Jan 14, 2015
529
}
530
var sign = format_sign(val, flags)
Coding style
Mar 19, 2018
531
if(sign !== ""){
Merged with legacy_format_refactor
Jan 14, 2015
532
ret = sign + format_padding(ret, flags, true)
533
}
@PierreQuentel
First import
Sep 5, 2014
534
}
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
535
Coding style
Mar 19, 2018
536
if(flags.alternate){
537
if(ret.charAt(0) === "-"){ret = "-0o" + ret.slice(1)}
538
else{ret = "0o" + ret}
@PierreQuentel
First import
Sep 5, 2014
539
}
Merged with legacy_format_refactor
Jan 14, 2015
540
return format_padding(ret, flags)
541
}
542
Implement PEP 461 : Adding % formatting to bytes and bytearray (cf. i…
Dec 18, 2019
543
function series_of_bytes(val, flags){
544
if(val.__class__ && val.__class__.$buffer_protocol){
545
var it = _b_.iter(val),
546
ints = []
547
while(true){
548
try{
549
ints.push(_b_.next(it))
550
}catch(err){
551
if(err.__class__ === _b_.StopIteration){
552
var b = _b_.bytes.$factory(ints)
553
return format_padding(_b_.bytes.decode(b, "ascii"), flags)
554
}
555
throw err
556
}
557
}
558
}else{
559
try{
560
bytes_obj = $B.$getattr(val, "__bytes__")
561
return format_padding(_b_.bytes.decode(bytes_obj), flags)
562
}catch(err){
563
if(err.__class__ === _b_.AttributeError){
564
throw _b_.TypeError.$factory("%b does not accept '" +
565
$B.class_name(val) + "'")
566
}
567
throw err
568
}
569
}
570
}
571
Coding style
Mar 19, 2018
572
var single_char_format = function(val, flags){
Implement PEP 461 : Adding % formatting to bytes and bytearray (cf. i…
Dec 18, 2019
573
if(isinstance(val, str) && val.length == 1){
574
return val
575
}else if(isinstance(val, bytes) && val.source.length == 1){
576
val = val.source[0]
577
}else{
578
try{
579
val = _b_.int.$factory(val) // yes, floats are valid (they are cast to int)
580
}catch (err){
581
throw _b_.TypeError.$factory("%c requires int or char")
582
}
Merged with legacy_format_refactor
Jan 14, 2015
583
}
584
return format_padding(chr(val), flags)
585
}
586
Coding style
Mar 19, 2018
587
var num_flag = function(c, flags){
588
if(c === "0" && ! flags.padding && ! flags.decimal_point && ! flags.left){
589
flags.pad_char = "0"
Merged with legacy_format_refactor
Jan 14, 2015
590
return
591
}
Coding style
Mar 19, 2018
592
if(!flags.decimal_point){
Merged with legacy_format_refactor
Jan 14, 2015
593
flags.padding = (flags.padding || "") + c
Coding style
Mar 19, 2018
594
}else{
Merged with legacy_format_refactor
Jan 14, 2015
595
flags.precision = (flags.precision || "") + c
596
}
597
}
598
599
var decimal_point_flag = function(val, flags) {
Coding style
Mar 23, 2018
600
if(flags.decimal_point){
Merged with legacy_format_refactor
Jan 14, 2015
601
// can only have one decimal point
602
throw new UnsupportedChar()
603
}
604
flags.decimal_point = true
605
}
606
Coding style
Mar 19, 2018
607
var neg_flag = function(val, flags){
608
flags.pad_char = " " // overrides '0' flag
Merged with legacy_format_refactor
Jan 14, 2015
609
flags.left = true
610
}
611
Coding style
Mar 19, 2018
612
var space_flag = function(val, flags){
Merged with legacy_format_refactor
Jan 14, 2015
613
flags.space = true
614
}
615
Coding style
Mar 19, 2018
616
var sign_flag = function(val, flags){
Merged with legacy_format_refactor
Jan 14, 2015
617
flags.sign = true
618
}
619
Coding style
Mar 19, 2018
620
var alternate_flag = function(val, flags){
Merged with legacy_format_refactor
Jan 14, 2015
621
flags.alternate = true
622
}
623
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
624
var char_mapping = {
Implement PEP 461 : Adding % formatting to bytes and bytearray (cf. i…
Dec 18, 2019
625
"b": series_of_bytes,
Coding style
Mar 19, 2018
626
"s": str_format,
627
"d": num_format,
628
"i": num_format,
629
"u": num_format,
630
"o": octal_format,
631
"r": repr_format,
632
"a": ascii_format,
633
"g": function(val, flags){
634
return floating_point_format(val, false, flags)
635
},
636
"G": function(val, flags){return floating_point_format(val, true, flags)},
637
"f": function(val, flags){
638
return floating_point_decimal_format(val, false, flags)
639
},
640
"F": function(val, flags){
641
return floating_point_decimal_format(val, true, flags)
642
},
643
"e": function(val, flags){
644
return floating_point_exponential_format(val, false, flags)
645
},
646
"E": function(val, flags){
647
return floating_point_exponential_format(val, true, flags)
648
},
649
"x": function(val, flags){return signed_hex_format(val, false, flags)},
650
"X": function(val, flags){return signed_hex_format(val, true, flags)},
651
"c": single_char_format,
652
"0": function(val, flags){return num_flag("0", flags)},
653
"1": function(val, flags){return num_flag("1", flags)},
654
"2": function(val, flags){return num_flag("2", flags)},
655
"3": function(val, flags){return num_flag("3", flags)},
656
"4": function(val, flags){return num_flag("4", flags)},
657
"5": function(val, flags){return num_flag("5", flags)},
658
"6": function(val, flags){return num_flag("6", flags)},
659
"7": function(val, flags){return num_flag("7", flags)},
660
"8": function(val, flags){return num_flag("8", flags)},
661
"9": function(val, flags){return num_flag("9", flags)},
662
"-": neg_flag,
663
" ": space_flag,
664
"+": sign_flag,
665
".": decimal_point_flag,
666
"#": alternate_flag
Merged with legacy_format_refactor
Jan 14, 2015
667
}
668
669
// exception thrown when an unsupported char is encountered in legacy format
Coding style
Mar 19, 2018
670
var UnsupportedChar = function(){
Merged with legacy_format_refactor
Jan 14, 2015
671
this.name = "UnsupportedChar"
672
}
673
str
Feb 10, 2018
674
str.__mod__ = function(self, args) {
Fixes #375 : "Old style" string formatting misses error case
Feb 9, 2016
675
var length = self.length,
Coding style
Mar 19, 2018
676
pos = 0 | 0,
Fixes #375 : "Old style" string formatting misses error case
Feb 9, 2016
677
argpos = null,
678
getitem
Coding style
Mar 19, 2018
679
if(_b_.isinstance(args, _b_.tuple)){
680
argpos = 0 | 0
Fixes #375 : "Old style" string formatting misses error case
Feb 9, 2016
681
}else{
Coding style
Mar 19, 2018
682
getitem = _b_.getattr(args, "__getitem__", _b_.None)
Merged with legacy_format_refactor
Jan 14, 2015
683
}
684
var ret = ''
685
var $get_kwarg_string = function(s) {
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
686
// returns [self, newpos]
Merged with legacy_format_refactor
Jan 14, 2015
687
++pos
688
var rslt = kwarg_key.exec(s.substring(newpos))
Coding style
Mar 19, 2018
689
if(! rslt){
Implement exceptions as new-style classes
Feb 10, 2018
690
throw _b_.ValueError.$factory("incomplete format key")
Merged with legacy_format_refactor
Jan 14, 2015
691
}
692
var key = rslt[1]
693
newpos += rslt[0].length
Coding style
Mar 23, 2018
694
try{
Fixes #375 : "Old style" string formatting misses error case
Feb 9, 2016
695
var self = getitem(key)
Coding style
Mar 19, 2018
696
}catch(err){
Fixes #1528 : logging module seems unusable
Nov 2, 2020
697
if(err.__class__ === _b_.KeyError){
Merged with legacy_format_refactor
Jan 14, 2015
698
throw err
699
}
Implement exceptions as new-style classes
Feb 10, 2018
700
throw _b_.TypeError.$factory("format requires a mapping")
Merged with legacy_format_refactor
Jan 14, 2015
701
}
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
702
return get_string_value(s, self)
Merged with legacy_format_refactor
Jan 14, 2015
703
}
704
705
var $get_arg_string = function(s) {
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
706
// returns [self, newpos]
707
var self
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
708
Merged with legacy_format_refactor
Jan 14, 2015
709
// non-tuple args
Coding style
Mar 19, 2018
710
if(argpos === null){
Merged with legacy_format_refactor
Jan 14, 2015
711
// args is the value
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
712
self = args
Coding style
Mar 19, 2018
713
}else{
Fixes #375 : "Old style" string formatting misses error case
Feb 9, 2016
714
self = args[argpos++]
Coding style
Mar 19, 2018
715
if(self === undefined){
716
throw _b_.TypeError.$factory(
717
"not enough arguments for format string")
@PierreQuentel
First import
Sep 5, 2014
718
}
719
}
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
720
return get_string_value(s, self)
Merged with legacy_format_refactor
Jan 14, 2015
721
}
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
722
var get_string_value = function(s, self) {
Merged with legacy_format_refactor
Jan 14, 2015
723
// todo: get flags, type
724
// todo: string value based on flags, type, value
Coding style
Mar 19, 2018
725
var flags = {"pad_char": " "}
726
do{
@PierreQuentel
Add a few "var" to remove names from global Javascript namespace
Feb 20, 2015
727
var func = char_mapping[s[newpos]]
Coding style
Mar 23, 2018
728
try{
Coding style
Mar 19, 2018
729
if(func === undefined){
Merged with legacy_format_refactor
Jan 14, 2015
730
throw new UnsupportedChar()
Coding style
Mar 19, 2018
731
}else{
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
732
var ret = func(self, flags)
Coding style
Mar 19, 2018
733
if(ret !== undefined){
Merged with legacy_format_refactor
Jan 14, 2015
734
return ret
735
}
736
++newpos
737
}
Coding style
Mar 19, 2018
738
}catch (err){
739
if(err.name == "UnsupportedChar"){
Merged with legacy_format_refactor
Jan 14, 2015
740
invalid_char = s[newpos]
Coding style
Mar 19, 2018
741
if(invalid_char === undefined){
Implement exceptions as new-style classes
Feb 10, 2018
742
throw _b_.ValueError.$factory("incomplete format")
Merged with legacy_format_refactor
Jan 14, 2015
743
}
Coding style
Mar 19, 2018
744
throw _b_.ValueError.$factory(
745
"unsupported format character '" + invalid_char +
746
"' (0x" + invalid_char.charCodeAt(0).toString(16) +
747
") at index " + newpos)
748
}else if(err.name === "NotANumber"){
749
var try_char = s[newpos],
750
cls = self.__class__
751
if(!cls){
752
if(typeof(self) === "string"){
753
cls = "str"
754
}else{
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
755
cls = typeof(self)
Merged with legacy_format_refactor
Jan 14, 2015
756
}
Coding style
Mar 19, 2018
757
}else{
Replace occurrences of $B.get_class(obj).__name__ by $B.class_name(ob…
Jan 3, 2019
758
cls = cls.$infos.__name__
Merged with legacy_format_refactor
Jan 14, 2015
759
}
Coding style
Mar 19, 2018
760
throw _b_.TypeError.$factory("%" + try_char +
761
" format: a number is required, not " + cls)
762
}else{
Merged with legacy_format_refactor
Jan 14, 2015
763
throw err
764
}
@PierreQuentel
First import
Sep 5, 2014
765
}
Coding style
Mar 19, 2018
766
}while (true)
@PierreQuentel
First import
Sep 5, 2014
767
}
Fixes #375 : "Old style" string formatting misses error case
Feb 9, 2016
768
var nbph = 0 // number of placeholders
Coding style
Mar 19, 2018
769
do{
770
var newpos = self.indexOf("%", pos)
771
if(newpos < 0){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
772
ret += self.substring(pos)
Merged with legacy_format_refactor
Jan 14, 2015
773
break
774
}
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
775
ret += self.substring(pos, newpos)
Merged with legacy_format_refactor
Jan 14, 2015
776
++newpos
Coding style
Mar 19, 2018
777
if(newpos < length){
778
if(self[newpos] === "%"){
779
ret += "%"
780
}else{
Fixes #375 : "Old style" string formatting misses error case
Feb 9, 2016
781
nbph++
Coding style
Mar 19, 2018
782
if(self[newpos] === "("){
Merged with legacy_format_refactor
Jan 14, 2015
783
++newpos
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
784
ret += $get_kwarg_string(self)
Coding style
Mar 23, 2018
785
}else{
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
786
ret += $get_arg_string(self)
Merged with legacy_format_refactor
Jan 14, 2015
787
}
788
}
Coding style
Mar 19, 2018
789
}else{
Merged with legacy_format_refactor
Jan 14, 2015
790
// % at end of string
Implement exceptions as new-style classes
Feb 10, 2018
791
throw _b_.ValueError.$factory("incomplete format")
Merged with legacy_format_refactor
Jan 14, 2015
792
}
793
pos = newpos + 1
Coding style
Mar 19, 2018
794
}while(pos < length)
795
796
if(argpos !== null){
797
if(args.length > argpos){
798
throw _b_.TypeError.$factory(
799
"not enough arguments for format string")
800
}else if(args.length < argpos){
801
throw _b_.TypeError.$factory(
802
"not all arguments converted during string formatting")
Fixes #375 : "Old style" string formatting misses error case
Feb 9, 2016
803
}
Coding style
Mar 19, 2018
804
}else if(nbph == 0){
805
throw _b_.TypeError.$factory(
806
"not all arguments converted during string formatting")
Fixes #375 : "Old style" string formatting misses error case
Feb 9, 2016
807
}
Improve support of escaped chars and "surrogate pairs"
Dec 10, 2020
808
if($B.has_surrogate(ret)){
809
return str.$surrogate.$factory(ret)
810
}
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
811
return ret
Merged with legacy_format_refactor
Jan 14, 2015
812
}
@PierreQuentel
First import
Sep 5, 2014
813
str
Feb 10, 2018
814
str.__mro__ = [object]
@PierreQuentel
First import
Sep 5, 2014
815
str
Feb 10, 2018
816
str.__mul__ = function(){
Coding style
Mar 19, 2018
817
var $ = $B.args("__mul__", 2, {self: null, other: null},
818
["self", "other"], arguments, {}, null, null)
819
if(! isinstance($.other, _b_.int)){throw _b_.TypeError.$factory(
820
"Can't multiply sequence by non-int of type '" +
Replace occurrences of $B.get_class(obj).__name__ by $B.class_name(ob…
Jan 3, 2019
821
$B.class_name($.other) + "'")}
Coding style
Mar 19, 2018
822
var $res = ""
823
for(var i = 0; i< $.other; i++){$res += $.self.valueOf()}
@PierreQuentel
First import
Sep 5, 2014
824
return $res
825
}
826
Coding style
Mar 19, 2018
827
str.__ne__ = function(self,other){return other !== self.valueOf()}
@PierreQuentel
First import
Sep 5, 2014
828
str
Feb 10, 2018
829
str.__repr__ = function(self){
Fixes #1440 : management of unassigned Unicode code points
Jul 8, 2020
830
var res = self
@PierreQuentel
Fixes #260 : string.format() issues
Aug 28, 2015
831
// escape the escape char
@PierreQuentel
Fixes bugs with management of escaped characters (\a, \b, \n etc.) in…
Aug 17, 2018
832
res = self.replace(/\\/g, "\\\\")
833
// special cases
834
res = res.replace(new RegExp("\u0007", "g"), "\\x07").
835
replace(new RegExp("\b", "g"), "\\x08").
Fixes #1278 : re.escape returning unprintable characters
Jan 26, 2020
836
replace(new RegExp("\u000b", "g"), "\\x0b").
@PierreQuentel
Fixes bugs with management of escaped characters (\a, \b, \n etc.) in…
Aug 17, 2018
837
replace(new RegExp("\f", "g"), "\\x0c").
838
replace(new RegExp("\n", "g"), "\\n").
839
replace(new RegExp("\r", "g"), "\\r").
840
replace(new RegExp("\t", "g"), "\\t")
Remove debug trace
Mar 27, 2019
841
res = res.replace(combining_re, "\u200B$1")
Fixes #1440 : management of unassigned Unicode code points
Jul 8, 2020
842
// Replace unassigned code point by \uabcd...
843
// Uses function $B.is_unicode_cn() in unicode_data.js
844
var repl = ''
845
for(var i = 0; i < res.length; i++){
Minor change in repr() of strings
Dec 8, 2020
846
var cp = res.codePointAt(i)
847
if($B.is_unicode_cn(cp)){
848
var s = cp.toString(16)
Fixes #1440 : management of unassigned Unicode code points
Jul 8, 2020
849
while(s.length < 4){
850
s = '0' + s
851
}
852
repl += '\\u' + s
Minor change in repr() of strings
Dec 8, 2020
853
}else if(cp < 0x20){
854
cp = cp + ''
855
if(cp.length < 2){
856
cp = '0' + cp
857
}
858
repl += '\\x' + cp
Fixes #1440 : management of unassigned Unicode code points
Jul 8, 2020
859
}else{
860
repl += res.charAt(i)
861
}
862
}
863
res = repl
Coding style
Mar 19, 2018
864
if(res.search('"') == -1 && res.search("'") == -1){
865
return "'" + res + "'"
866
}else if(self.search('"') == -1){
867
return '"' + res + '"'
868
}
869
var qesc = new RegExp("'", "g") // to escape single quote
870
res = "'" + res.replace(qesc, "\\'") + "'"
@PierreQuentel
First import
Sep 5, 2014
871
return res
872
}
873
Coding style
Mar 19, 2018
874
str.__setitem__ = function(self, attr, value){
875
throw _b_.TypeError.$factory(
876
"'str' object does not support item assignment")
@PierreQuentel
First import
Sep 5, 2014
877
}
Remove debug trace
Mar 27, 2019
878
var combining = []
879
for(var cp = 0x300; cp <= 0x36F; cp++){
880
combining.push(String.fromCharCode(cp))
881
}
882
var combining_re = new RegExp("(" + combining.join("|") + ")")
@PierreQuentel
Fixes bugs with management of escaped characters (\a, \b, \n etc.) in…
Aug 17, 2018
883
str
Feb 10, 2018
884
str.__str__ = function(self){
Remove debug trace
Mar 27, 2019
885
return self.replace(combining_re, "\u200B$1")
@PierreQuentel
First import
Sep 5, 2014
886
}
Coding style
Mar 19, 2018
887
str.toString = function(){return "string!"}
@PierreQuentel
First import
Sep 5, 2014
888
889
// generate comparison methods
890
var $comp_func = function(self,other){
Fixes #1038 : inconsistent errors when comparing incompatible types w…
Feb 13, 2019
891
if(typeof other !== "string"){return _b_.NotImplemented}
@PierreQuentel
First import
Sep 5, 2014
892
return self > other
893
}
Coding style
Mar 19, 2018
894
$comp_func += "" // source code
895
var $comps = {">": "gt", ">=": "ge", "<": "lt", "<=": "le"}
@PierreQuentel
First import
Sep 5, 2014
896
for(var $op in $comps){
Coding style
Mar 19, 2018
897
eval("str.__" + $comps[$op] + '__ = ' + $comp_func.replace(/>/gm,$op))
@PierreQuentel
First import
Sep 5, 2014
898
}
899
900
// add "reflected" methods
str
Feb 10, 2018
901
$B.make_rmethods(str)
@PierreQuentel
First import
Sep 5, 2014
902
903
// unsupported operations
Coding style
Mar 19, 2018
904
var $notimplemented = function(self, other){
905
throw NotImplementedError.$factory(
906
"OPERATOR not implemented for class str")
@PierreQuentel
First import
Sep 5, 2014
907
}
908
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
909
str.capitalize = function(self){
910
var $ = $B.args("capitalize", 1, {self}, ["self"],
911
arguments, {}, null, null)
912
if(self.length == 0){return ""}
913
return self.charAt(0).toUpperCase() + self.substr(1)
914
}
915
916
str.casefold = function(self){
917
var $ = $B.args("casefold", 1, {self}, ["self"],
918
arguments, {}, null, null),
919
res = "",
920
char,
921
cf
922
for(var i = 0, len = self.length; i < len; i++){
923
char = self.charCodeAt(i)
924
cf = $B.unicode_casefold[char]
925
if(cf){
926
cf.forEach(function(cp){
927
res += String.fromCharCode(cp)
928
})
929
}else{
930
res += self.charAt(i).toLowerCase()
931
}
932
}
933
return res
934
}
@PierreQuentel
First import
Sep 5, 2014
935
Coding style
Mar 19, 2018
936
str.center = function(){
937
var $ = $B.args("center", 3, {self: null, width: null, fillchar: null},
938
["self", "width", "fillchar"],
939
arguments, {fillchar:" "}, null, null),
940
self = $.self
@PierreQuentel
Fix bugs in str methods : center, join, lstrip, replace, rjust, rstri…
Sep 18, 2015
941
Coding style
Mar 19, 2018
942
if($.width <= self.length) {return self}
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
943
Coding style
Mar 19, 2018
944
var pad = parseInt(($.width - self.length) / 2),
945
res = $.fillchar.repeat(pad)
@PierreQuentel
First import
Sep 5, 2014
946
res += self + res
Coding style
Mar 19, 2018
947
if(res.length < $.width){res += $.fillchar}
@PierreQuentel
First import
Sep 5, 2014
948
return res
949
}
950
str
Feb 10, 2018
951
str.count = function(){
Coding style
Mar 19, 2018
952
var $ = $B.args("count", 4, {self:null, sub:null, start:null, stop:null},
953
["self", "sub", "start", "stop"], arguments, {start:null, stop:null},
@PierreQuentel
Fixes #287 : s.count with an optional start parameter
Sep 14, 2015
954
null, null)
Coding style
Mar 19, 2018
955
if(!(typeof $.sub == "string")){throw _b_.TypeError.$factory(
Replace occurrences of $B.get_class(obj).__name__ by $B.class_name(ob…
Jan 3, 2019
956
"Can't convert '" + $B.class_name($.sub) +
Coding style
Mar 19, 2018
957
"' object to str implicitly")}
@PierreQuentel
Rewrite str.count ; passes the tests in Lib/test/string_tests
Sep 15, 2015
958
var substr = $.self
Coding style
Mar 19, 2018
959
if($.start !== null){
@PierreQuentel
Rewrite str.count ; passes the tests in Lib/test/string_tests
Sep 15, 2015
960
var _slice
Coding style
Mar 19, 2018
961
if($.stop !== null){_slice = _b_.slice.$factory($.start, $.stop)}
962
else{_slice = _b_.slice.$factory($.start, $.self.length)}
str
Feb 10, 2018
963
substr = str.__getitem__.apply(null, [$.self].concat(_slice))
@PierreQuentel
Rewrite str.count ; passes the tests in Lib/test/string_tests
Sep 15, 2015
964
}else{
Coding style
Mar 19, 2018
965
if($.self.length + $.sub.length == 0){return 1}
@PierreQuentel
Rewrite str.count ; passes the tests in Lib/test/string_tests
Sep 15, 2015
966
}
Coding style
Mar 19, 2018
967
if($.sub.length == 0){
968
if($.start == $.self.length){return 1}
969
else if(substr.length == 0){return 0}
970
return substr.length + 1
@PierreQuentel
Rewrite str.count ; passes the tests in Lib/test/string_tests
Sep 15, 2015
971
}
Coding style
Mar 19, 2018
972
var n = 0,
973
pos = 0
974
while(pos < substr.length){
975
pos = substr.indexOf($.sub, pos)
976
if(pos >= 0){n++; pos += $.sub.length}
977
else{break}
@PierreQuentel
First import
Sep 5, 2014
978
}
979
return n
980
}
981
Fix bugs introduced by previous merged PR
Apr 2, 2019
982
str.encode = function(){
983
var $ = $B.args("encode", 3, {self: null, encoding: null, errors: null},
984
["self", "encoding", "errors"], arguments,
985
{encoding: "utf-8", errors: "strict"}, null, null)
986
if($.encoding == "rot13" || $.encoding == "rot_13"){
@PierreQuentel
Fixes #159 : [codecs] ROT13 cant encode
Apr 22, 2015
987
// Special case : returns a string
Coding style
Mar 19, 2018
988
var res = ""
Fix bugs introduced by previous merged PR
Apr 2, 2019
989
for(var i = 0, len = $.self.length; i < len ; i++){
990
var char = $.self.charAt(i)
Coding style
Mar 19, 2018
991
if(("a" <= char && char <= "m") || ("A" <= char && char <= "M")){
992
res += String.fromCharCode(String.charCodeAt(char) + 13)
993
}else if(("m" < char && char <= "z") ||
994
("M" < char && char <= "Z")){
995
res += String.fromCharCode(String.charCodeAt(char) - 13)
@PierreQuentel
Fixes #159 : [codecs] ROT13 cant encode
Apr 22, 2015
996
}else{res += char}
997
}
998
return res
999
}
Fix bugs introduced by previous merged PR
Apr 2, 2019
1000
return _b_.bytes.__new__(_b_.bytes, $.self, $.encoding, $.errors)
@PierreQuentel
First import
Sep 5, 2014
1001
}
1002
str
Feb 10, 2018
1003
str.endswith = function(){
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1004
// Return True if the string ends with the specified suffix, otherwise
1005
// return False. suffix can also be a tuple of suffixes to look for.
1006
// With optional start, test beginning at that position. With optional
@PierreQuentel
First import
Sep 5, 2014
1007
// end, stop comparing at that position.
Coding style
Mar 19, 2018
1008
var $ = $B.args("endswith", 4,
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1009
{self:null, suffix:null, start:null, end:null},
Coding style
Mar 19, 2018
1010
["self", "suffix", "start", "end"],
1011
arguments, {start: 0, end: null}, null, null)
@PierreQuentel
Cleaning in py2js.js
Sep 20, 2015
1012
1013
normalize_start_end($)
1014
1015
var suffixes = $.suffix
Coding style
Mar 19, 2018
1016
if(! isinstance(suffixes,_b_.tuple)){suffixes = [suffixes]}
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1017
Coding style
Mar 19, 2018
1018
var s = $.self.substring($.start, $.end)
1019
for(var i = 0, len = suffixes.length; i < len; i++){
Add many "var" to avoid global JS namespace pollution
Sep 30, 2016
1020
var suffix = suffixes[i]
Coding style
Mar 19, 2018
1021
if(! _b_.isinstance(suffix, str)){throw _b_.TypeError.$factory(
@PierreQuentel
Cleaning in py2js.js
Sep 20, 2015
1022
"endswith first arg must be str or a tuple of str, not int")}
Coding style
Mar 19, 2018
1023
if(suffix.length <= s.length &&
1024
s.substr(s.length - suffix.length) == suffix){return true}
@PierreQuentel
First import
Sep 5, 2014
1025
}
1026
return false
1027
}
1028
str
Feb 10, 2018
1029
str.expandtabs = function(self, tabsize) {
Coding style
Mar 19, 2018
1030
var $ = $B.args("expandtabs", 2, {self: null, tabsize: null},
1031
["self", "tabsize"], arguments, {tabsize: 8}, null, null)
1032
var s = $B.$GetInt($.tabsize),
1033
col = 0,
1034
pos = 0,
1035
res = ""
1036
if(s == 1){return self.replace(/\t/g," ")}
1037
while(pos < self.length){
@PierreQuentel
Rewrite str.expandtabs() - passes tests in Lib/test/string_tests.py
Sep 15, 2015
1038
var car = self.charAt(pos)
1039
switch(car){
Coding style
Mar 19, 2018
1040
case "\t":
Coding style
Mar 21, 2018
1041
while(col % s > 0){res += " "; col++}
@PierreQuentel
Rewrite str.expandtabs() - passes tests in Lib/test/string_tests.py
Sep 15, 2015
1042
break
Coding style
Mar 19, 2018
1043
case "\r":
1044
case "\n":
@PierreQuentel
Rewrite str.expandtabs() - passes tests in Lib/test/string_tests.py
Sep 15, 2015
1045
res += car
1046
col = 0
1047
break
1048
default:
1049
res += car
1050
col++
1051
break
1052
}
1053
pos++
1054
}
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1055
@PierreQuentel
Rewrite str.expandtabs() - passes tests in Lib/test/string_tests.py
Sep 15, 2015
1056
return res
@PierreQuentel
First import
Sep 5, 2014
1057
}
1058
str
Feb 10, 2018
1059
str.find = function(){
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1060
// Return the lowest index in the string where substring sub is found,
1061
// such that sub is contained in the slice s[start:end]. Optional
1062
// arguments start and end are interpreted as in slice notation.
@PierreQuentel
First import
Sep 5, 2014
1063
// Return -1 if sub is not found.
Coding style
Mar 19, 2018
1064
var $ = $B.args("str.find", 4,
Fixes issue in str.find()
Apr 16, 2019
1065
{self: null, sub: null, start: null, end: null},
1066
["self", "sub", "start", "end"],
1067
arguments, {start: 0, end: null}, null, null)
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1068
check_str($.sub)
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1069
normalize_start_end($)
1070
Coding style
Mar 19, 2018
1071
if(!isinstance($.start, _b_.int)||!isinstance($.end, _b_.int)){
1072
throw _b_.TypeError.$factory("slice indices must be " +
1073
"integers or None or have an __index__ method")}
Fixes issue in str.find()
Apr 16, 2019
1074
// Can't use string.substring(start, end) because if end < start,
1075
// Javascript transforms it into substring(end, start)...
1076
var s = ""
1077
for(var i = $.start; i < $.end; i++){
1078
s += $.self.charAt(i)
1079
}
@PierreQuentel
Rewrite str.find. Fixes #290 : "a".find("\\") crashes. Passes tests i…
Sep 18, 2015
1080
Coding style
Mar 19, 2018
1081
if($.sub.length == 0 && $.start == $.self.length){return $.self.length}
1082
if(s.length + $.sub.length == 0){return -1}
@PierreQuentel
Rewrite str.find. Fixes #290 : "a".find("\\") crashes. Passes tests i…
Sep 18, 2015
1083
Coding style
Mar 19, 2018
1084
var last_search = s.length - $.sub.length
1085
for(var i = 0; i <= last_search; i++){
1086
if(s.substr(i, $.sub.length) == $.sub){return $.start + i}
@PierreQuentel
First import
Sep 5, 2014
1087
}
@PierreQuentel
Rewrite str.find. Fixes #290 : "a".find("\\") crashes. Passes tests i…
Sep 18, 2015
1088
return -1
@PierreQuentel
First import
Sep 5, 2014
1089
}
1090
@PierreQuentel
Fixes #260 : string.format() issues
Aug 28, 2015
1091
// Next function used by method .format()
1092
Fixes bugs in string formatting to pass the tests in Lib/test/test_st…
Nov 12, 2018
1093
$B.parse_format = function(fmt_string){
@PierreQuentel
First import
Sep 5, 2014
1094
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1095
// Parse a "format string", as described in the Python documentation
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1096
// Return a format object. For the format string
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1097
// a.x[z]!r:...
1098
// the object has attributes :
1099
// - name : "a"
1100
// - name_ext : [".x", "[z]"]
1101
// - conv : r
1102
// - spec : rest of string after :
@PierreQuentel
First import
Sep 5, 2014
1103
Coding style
Mar 19, 2018
1104
var elts = fmt_string.split(":"),
1105
name,
1106
conv,
1107
spec,
Coding style
Mar 19, 2018
1108
name_ext = []
Coding style
Mar 19, 2018
1109
if(elts.length == 1){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1110
// No : in the string : it only contains a name
1111
name = fmt_string
1112
}else{
1113
// name is before the first ":"
1114
// spec (the format specification) is after
1115
name = elts[0]
Coding style
Mar 19, 2018
1116
spec = elts.splice(1).join(":")
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1117
}
1118
Coding style
Mar 19, 2018
1119
var elts = name.split("!")
1120
if(elts.length > 1){
1121
name = elts[0]
1122
conv = elts[1] // conversion flag
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1123
}
@PierreQuentel
First import
Sep 5, 2014
1124
Coding style
Mar 19, 2018
1125
if(name !== undefined){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1126
// "name' may be a subscription or attribute
1127
// Put these "extensions" in the list "name_ext"
1128
function name_repl(match){
1129
name_ext.push(match)
Coding style
Mar 19, 2018
1130
return ""
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1131
}
1132
var name_ext_re = /\.[_a-zA-Z][_a-zA-Z0-9]*|\[[_a-zA-Z][_a-zA-Z0-9]*\]|\[[0-9]+\]/g
1133
name = name.replace(name_ext_re, name_repl)
1134
}
@PierreQuentel
First import
Sep 5, 2014
1135
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1136
return {name: name, name_ext: name_ext,
Fixes bugs in string formatting to pass the tests in Lib/test/test_st…
Nov 12, 2018
1137
conv: conv, spec: spec || "", string: fmt_string}
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1138
}
@PierreQuentel
First import
Sep 5, 2014
1139
Fixes bugs in string formatting to pass the tests in Lib/test/test_st…
Nov 12, 2018
1140
$B.split_format = function(self){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1141
// Parse self to detect formatting instructions
1142
// Create a list "parts" made of sections of the string :
1143
// - elements of even rank are literal text
1144
// - elements of odd rank are "format objects", built from the
1145
// format strings in self (of the form {...})
Coding style
Mar 19, 2018
1146
var pos = 0,
1147
_len = self.length,
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1148
car,
Coding style
Mar 19, 2018
1149
text = "",
1150
parts = [],
1151
rank = 0
1152
while(pos < _len){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1153
car = self.charAt(pos)
Coding style
Mar 21, 2018
1154
if(car == "{" && self.charAt(pos + 1) == "{"){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1155
// replace {{ by literal {
Coding style
Mar 19, 2018
1156
text += "{"
1157
pos += 2
1158
}else if(car == "}" && self.charAt(pos + 1) == "}"){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1159
// replace }} by literal }
Coding style
Mar 19, 2018
1160
text += "}"
1161
pos += 2
1162
}else if(car == "{"){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1163
// Start of a format string
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1164
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1165
// Store current literal text
1166
parts.push(text)
1167
1168
// Search the end of the format string, ie the } closing the
1169
// opening {. Since the string can contain other pairs {} for
1170
// nested formatting, an integer nb is incremented for each { and
1171
// decremented for each } ; the end of the format string is
Coding style
Mar 19, 2018
1172
// reached when nb == 0
1173
var end = pos + 1,
1174
nb = 1
1175
while(end < _len){
1176
if(self.charAt(end) == "{"){nb++; end++}
1177
else if(self.charAt(end) == "}"){
1178
nb--; end++
1179
if(nb == 0){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1180
// End of format string
Coding style
Mar 19, 2018
1181
var fmt_string = self.substring(pos + 1, end - 1)
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1182
1183
// Create a format object, by function parse_format
Fixes bugs in string formatting to pass the tests in Lib/test/test_st…
Nov 12, 2018
1184
var fmt_obj = $B.parse_format(fmt_string)
1185
fmt_obj.raw_name = fmt_obj.name
1186
fmt_obj.raw_spec = fmt_obj.spec
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1187
1188
// If no name is explicitely provided, use the rank
1189
if(!fmt_obj.name){
Coding style
Mar 19, 2018
1190
fmt_obj.name = rank + ""
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1191
rank++
1192
}
@PierreQuentel
First import
Sep 5, 2014
1193
Coding style
Mar 19, 2018
1194
if(fmt_obj.spec !== undefined){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1195
// "spec" may contain "nested replacement fields"
Fixes bugs in string formatting to pass the tests in Lib/test/test_st…
Nov 12, 2018
1196
// Replace empty fields by the rank in positional
1197
// arguments
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1198
function replace_nested(name, key){
Fixes bugs in string formatting to pass the tests in Lib/test/test_st…
Nov 12, 2018
1199
if(key == ""){
1200
// Use implicit rank
1201
return "{" + rank++ + "}"
Fixes #303 : string formatting with floating point, variable number o…
Dec 3, 2015
1202
}
Fixes bugs in string formatting to pass the tests in Lib/test/test_st…
Nov 12, 2018
1203
return "{" + key + "}"
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1204
}
Fixes bugs in string formatting to pass the tests in Lib/test/test_st…
Nov 12, 2018
1205
fmt_obj.spec = fmt_obj.spec.replace(/\{(.*?)\}/g,
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1206
replace_nested)
1207
}
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1208
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1209
// Store format object in list "parts"
1210
parts.push(fmt_obj)
Coding style
Mar 19, 2018
1211
text = ""
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1212
break
1213
}
1214
}else{end++}
@PierreQuentel
First import
Sep 5, 2014
1215
}
Coding style
Mar 19, 2018
1216
if(nb > 0){throw ValueError.$factory("wrong format " + self)}
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1217
pos = end
Coding style
Mar 19, 2018
1218
}else{text += car; pos++}
@PierreQuentel
First import
Sep 5, 2014
1219
}
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1220
if(text){parts.push(text)}
Fixes bugs in string formatting to pass the tests in Lib/test/test_st…
Nov 12, 2018
1221
return parts
1222
}
1223
1224
str.format = function(self) {
Implement str.format_map()
Nov 22, 2020
1225
// Special management of keyword arguments if str.format is called by
1226
// str.format_map(mapping) : the argument "mapping" might not be a
1227
// dictionary
1228
var last_arg = $B.last(arguments)
1229
if(last_arg.$nat == "mapping"){
1230
var mapping = last_arg.mapping,
1231
getitem = $B.$getattr(mapping, "__getitem__")
1232
// Get the rest of the arguments
1233
var args = []
1234
for(var i = 0, len = arguments.length - 1; i < len; i++){
1235
args.push(arguments[i])
1236
}
1237
var $ = $B.args("format", 1, {self: null}, ["self"],
1238
args, {}, "$args", null)
1239
}else{
1240
var $ = $B.args("format", 1, {self: null}, ["self"],
1241
arguments, {}, "$args", "$kw"),
1242
mapping = $.$kw, // dictionary
1243
getitem = function(key){
1244
return _b_.dict.$getitem(mapping, key)
1245
}
1246
}
Fixes bugs in string formatting to pass the tests in Lib/test/test_st…
Nov 12, 2018
1247
var parts = $B.split_format($.self)
1248
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1249
// Apply formatting to the values passed to format()
Coding style
Mar 19, 2018
1250
var res = "",
1251
fmt
Fixes bugs in string formatting to pass the tests in Lib/test/test_st…
Nov 12, 2018
1252
Coding style
Mar 19, 2018
1253
for(var i = 0; i < parts.length; i++){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1254
// Literal text is added unchanged
Coding style
Mar 19, 2018
1255
if(typeof parts[i] == "string"){res += parts[i]; continue}
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1256
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1257
// Format objects
1258
fmt = parts[i]
Fixes bugs in string formatting to pass the tests in Lib/test/test_st…
Nov 12, 2018
1259
1260
if(fmt.spec !== undefined){
1261
// "spec" may contain "nested replacement fields"
1262
// In this case, evaluate them using the positional
1263
// or keyword arguments passed to format()
1264
function replace_nested(name, key){
1265
if(/\d+/.exec(key)){
1266
// If key is numeric, search in positional
1267
// arguments
1268
return _b_.tuple.__getitem__($.$args,
1269
parseInt(key))
1270
}else{
1271
// Else try in keyword arguments
1272
return _b_.dict.__getitem__($.$kw, key)
1273
}
1274
}
1275
fmt.spec = fmt.spec.replace(/\{(.*?)\}/g,
1276
replace_nested)
1277
}
Coding style
Mar 21, 2018
1278
if(fmt.name.charAt(0).search(/\d/) > -1){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1279
// Numerical reference : use positional arguments
1280
var pos = parseInt(fmt.name),
list and tuple
Feb 11, 2018
1281
value = _b_.tuple.__getitem__($.$args, pos)
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1282
}else{
1283
// Use keyword arguments
Implement str.format_map()
Nov 22, 2020
1284
var value = getitem(fmt.name)
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1285
}
1286
// If name has extensions (attributes or subscriptions)
Coding style
Mar 19, 2018
1287
for(var j = 0; j < fmt.name_ext.length; j++){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1288
var ext = fmt.name_ext[j]
Coding style
Mar 19, 2018
1289
if(ext.charAt(0) == "."){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1290
// Attribute
1291
value = _b_.getattr(value, ext.substr(1))
1292
}else{
1293
// Subscription
Coding style
Mar 19, 2018
1294
var key = ext.substr(1, ext.length - 2)
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1295
// An index made of digits is transformed into an integer
Coding style
Mar 19, 2018
1296
if(key.charAt(0).search(/\d/) > -1){key = parseInt(key)}
1297
value = _b_.getattr(value, "__getitem__")(key)
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1298
}
1299
}
Fix minor bugs
Feb 12, 2018
1300
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1301
// If the conversion flag is set, first call a function to convert
1302
// the value
Coding style
Mar 19, 2018
1303
if(fmt.conv == "a"){value = _b_.ascii(value)}
1304
else if(fmt.conv == "r"){value = _b_.repr(value)}
1305
else if(fmt.conv == "s"){value = _b_.str.$factory(value)}
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1306
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1307
// Call attribute __format__ to perform the actual formatting
Support old-style and new-style classes.
Feb 9, 2018
1308
if(value.$is_class || value.$factory){
Fixes #755 : string format problem with classes
Jan 8, 2018
1309
// For classes, don't use the class __format__ method
Major rewriting of class implementation. Needed for issue #766.
Feb 3, 2018
1310
res += value.__class__.__format__(value, fmt.spec)
Fixes #755 : string format problem with classes
Jan 8, 2018
1311
}else{
Fixes #1396 : string formatting - precision truncation not up to spec
May 21, 2020
1312
res += $B.$getattr(value, "__format__")(fmt.spec)
Fixes #755 : string format problem with classes
Jan 8, 2018
1313
}
@PierreQuentel
First import
Sep 5, 2014
1314
}
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
1315
return res
@PierreQuentel
First import
Sep 5, 2014
1316
}
1317
Implement str.format_map()
Nov 22, 2020
1318
str.format_map = function(self, mapping){
1319
var $ = $B.args("format_map", 2, {self: null, mapping: null},
1320
['self', 'mapping'], arguments, {}, null, null)
1321
return str.format(self, {$nat: 'mapping', mapping})
@PierreQuentel
First import
Sep 5, 2014
1322
}
1323
str
Feb 10, 2018
1324
str.index = function(self){
@PierreQuentel
First import
Sep 5, 2014
1325
// Like find(), but raise ValueError when the substring is not found.
Fixes issue in str.find()
Apr 16, 2019
1326
var res = str.find.apply(null, arguments)
Coding style
Mar 19, 2018
1327
if(res === -1){throw _b_.ValueError.$factory("substring not found")}
@PierreQuentel
First import
Sep 5, 2014
1328
return res
1329
}
1330
Fixes #1076 : 'str' object has no attribute 'isascii'
Apr 2, 2019
1331
str.isascii = function(self){
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
1332
/* Return true if the string is empty or all characters in the string are
1333
ASCII, false otherwise. ASCII characters have code points in the range
1334
U+0000-U+007F. */
Fixes #1076 : 'str' object has no attribute 'isascii'
Apr 2, 2019
1335
for(var i = 0, len = self.length; i < len; i++){
1336
if(self.charCodeAt(i) > 127){return false}
1337
}
1338
return true
1339
}
1340
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
1341
str.isalnum = function(self){
1342
/* Return true if all characters in the string are alphanumeric and there
1343
is at least one character, false otherwise. A character c is alphanumeric
1344
if one of the following returns True: c.isalpha(), c.isdecimal(),
1345
c.isdigit(), or c.isnumeric(). */
1346
var $ = $B.args("isalnum", 1, {self: null}, ["self"],
1347
arguments, {}, null, null),
1348
char
1349
for(var i = 0, len = self.length; i < len; i++){
1350
char = self.charCodeAt(i)
1351
if(unicode_tables.Ll[char] ||
1352
unicode_tables.Lu[char] ||
1353
unicode_tables.Lm[char] ||
1354
unicode_tables.Lt[char] ||
1355
unicode_tables.Lo[char] ||
1356
unicode_tables.Nd[char] ||
1357
unicode_tables.digits[char] ||
1358
unicode_tables.numeric[char]){
1359
continue
1360
}
1361
return false
1362
}
1363
return true
1364
}
1365
1366
str.isalpha = function(self){
1367
/* Return true if all characters in the string are alphabetic and there is
1368
at least one character, false otherwise. Alphabetic characters are those
1369
characters defined in the Unicode character database as "Letter", i.e.,
1370
those with general category property being one of "Lm", "Lt", "Lu", "Ll",
1371
or "Lo". */
1372
var $ = $B.args("isalpha", 1, {self: null}, ["self"],
1373
arguments, {}, null, null),
1374
char
1375
for(var i = 0, len = self.length; i < len; i++){
1376
char = self.charCodeAt(i)
1377
if(unicode_tables.Ll[char] ||
1378
unicode_tables.Lu[char] ||
1379
unicode_tables.Lm[char] ||
1380
unicode_tables.Lt[char] ||
1381
unicode_tables.Lo[char]){
1382
continue
1383
}
1384
return false
1385
}
1386
return true
1387
}
1388
1389
str.isdecimal = function(self){
1390
/* Return true if all characters in the string are decimal characters and
1391
there is at least one character, false otherwise. Decimal characters are
1392
those that can be used to form numbers in base 10, e.g. U+0660,
1393
ARABIC-INDIC DIGIT ZERO. Formally a decimal character is a character in
1394
the Unicode General Category "Nd". */
1395
var $ = $B.args("isdecimal", 1, {self: null}, ["self"],
1396
arguments, {}, null, null),
1397
char
1398
for(var i = 0, len = self.length; i < len; i++){
1399
char = self.charCodeAt(i)
1400
if(! unicode_tables.Nd[char]){
1401
return false
1402
}
1403
}
1404
return self.length > 0
1405
}
1406
1407
str.isdigit = function(self){
1408
/* Return true if all characters in the string are digits and there is at
1409
least one character, false otherwise. */
1410
var $ = $B.args("isdigit", 1, {self: null}, ["self"],
1411
arguments, {}, null, null),
1412
char
1413
for(var i = 0, len = self.length; i < len; i++){
1414
char = self.charCodeAt(i)
1415
if(! unicode_tables.digits[char]){
1416
return false
1417
}
1418
}
1419
return self.length > 0
1420
}
1421
1422
str.isidentifier = function(self){
1423
/* Return true if the string is a valid identifier according to the
1424
language definition. */
1425
var $ = $B.args("isidentifier", 1, {self: null}, ["self"],
1426
arguments, {}, null, null),
1427
char
1428
if(self.length == 0){return false}
1429
else if(unicode_tables.XID_Start[self.charCodeAt(0)] === undefined){
1430
return false
1431
}else{
1432
for(var i = 1, len = self.length; i < len; i++){
1433
if(unicode_tables.XID_Continue[self.charCodeAt(i)] === undefined){
1434
return false
1435
}
1436
}
1437
}
1438
return true
1439
}
1440
1441
str.islower = function(self){
1442
/* Return true if all cased characters 4 in the string are lowercase and
1443
there is at least one cased character, false otherwise. */
1444
var $ = $B.args("islower", 1, {self: null}, ["self"],
1445
arguments, {}, null, null),
1446
has_cased = false,
1447
char
1448
1449
for(var i = 0, len = self.length; i < len; i++){
1450
char = self.charCodeAt(i)
@PierreQuentel
Generate internal tables for Unicode in unicode_data.js instead of py…
Oct 22, 2019
1451
if(unicode_tables.Ll[char]){has_cased = true; continue}
1452
else if(unicode_tables.Lu[char] || unicode_tables.Lt[char]){
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
1453
return false
1454
}
1455
}
1456
return has_cased
1457
}
1458
1459
str.isnumeric = function(self){
1460
/* Return true if all characters in the string are numeric characters, and
1461
there is at least one character, false otherwise. Numeric characters
1462
include digit characters, and all characters that have the Unicode numeric
1463
value property, e.g. U+2155, VULGAR FRACTION ONE FIFTH. Formally, numeric
1464
characters are those with the property value Numeric_Type=Digit,
1465
Numeric_Type=Decimal or Numeric_Type=Numeric.*/
1466
var $ = $B.args("isnumeric", 1, {self: null}, ["self"],
1467
arguments, {}, null, null)
1468
for(var i = 0, len = self.length; i < len; i++){
1469
if(! unicode_tables.numeric[self.charCodeAt(i)]){
1470
return false
1471
}
1472
}
1473
return self.length > 0
1474
}
1475
Fixes #1500 : str.isprintable () raises error
Sep 27, 2020
1476
var unprintable = {},
1477
unprintable_gc = ['Cc', 'Cf', 'Co', 'Cs','Zl', 'Zp', 'Zs']
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
1478
1479
str.isprintable = function(self){
1480
/* Return true if all characters in the string are printable or the string
1481
is empty, false otherwise. Nonprintable characters are those characters
1482
defined in the Unicode character database as "Other" or "Separator",
1483
excepting the ASCII space (0x20) which is considered printable. */
1484
Fixes #1500 : str.isprintable () raises error
Sep 27, 2020
1485
// Set unprintable if not set yet
1486
if(Object.keys(unprintable).length == 0){
1487
for(var i = 0; i < unprintable_gc.length; i++){
1488
var table = unicode_tables[unprintable_gc[i]]
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
1489
for(var cp in table){
Fixes #1500 : str.isprintable () raises error
Sep 27, 2020
1490
unprintable[cp] = true
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
1491
}
1492
}
Fixes #1500 : str.isprintable () raises error
Sep 27, 2020
1493
unprintable[32] = true
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
1494
}
1495
var $ = $B.args("isprintable", 1, {self: null}, ["self"],
Fixes #1500 : str.isprintable () raises error
Sep 27, 2020
1496
arguments, {}, null, null)
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
1497
for(var i = 0, len = self.length; i < len; i++){
Fixes #1500 : str.isprintable () raises error
Sep 27, 2020
1498
if(unprintable[self.charCodeAt(i)]){
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
1499
return false
1500
}
1501
}
1502
return true
1503
}
1504
1505
str.isspace = function(self){
1506
/* Return true if there are only whitespace characters in the string and
1507
there is at least one character, false otherwise.
1508
1509
A character is whitespace if in the Unicode character database, either its
1510
general category is Zs ("Separator, space"), or its bidirectional class is
1511
one of WS, B, or S.*/
1512
var $ = $B.args("isspace", 1, {self: null}, ["self"],
1513
arguments, {}, null, null),
1514
char
1515
for(var i = 0, len = self.length; i < len; i++){
1516
char = self.charCodeAt(i)
1517
if(! unicode_tables.Zs[char] &&
1518
$B.unicode_bidi_whitespace.indexOf(char) == -1){
1519
return false
1520
}
1521
}
1522
return self.length > 0
1523
}
1524
1525
str.istitle = function(self){
1526
/* Return true if the string is a titlecased string and there is at least
1527
one character, for example uppercase characters may only follow uncased
1528
characters and lowercase characters only cased ones. Return false
1529
otherwise. */
1530
var $ = $B.args("istitle", 1, {self: null}, ["self"],
1531
arguments, {}, null, null)
1532
return self.length > 0 && str.title(self) == self
1533
}
1534
1535
str.isupper = function(self){
1536
/* Return true if all cased characters 4 in the string are lowercase and
1537
there is at least one cased character, false otherwise. */
1538
var $ = $B.args("islower", 1, {self: null}, ["self"],
1539
arguments, {}, null, null),
1540
has_cased = false,
1541
char
1542
1543
for(var i = 0, len = self.length; i < len; i++){
1544
char = self.charCodeAt(i)
@PierreQuentel
Generate internal tables for Unicode in unicode_data.js instead of py…
Oct 22, 2019
1545
if(unicode_tables.Lu[char]){has_cased = true; continue}
1546
else if(unicode_tables.Ll[char] || unicode_tables.Lt[char]){
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
1547
return false
1548
}
1549
}
1550
return has_cased
1551
}
1552
1553
str
Feb 10, 2018
1554
str.join = function(){
Coding style
Mar 19, 2018
1555
var $ = $B.args("join", 2, {self: null, iterable: null},
Coding style
Mar 19, 2018
1556
["self", "iterable"], arguments, {}, null, null)
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1557
Coding style
Mar 19, 2018
1558
var iterable = _b_.iter($.iterable),
Coding style
Mar 19, 2018
1559
res = [],
Change implementation of exception management : one active exception …
Jul 17, 2018
1560
count = 0
@PierreQuentel
First import
Sep 5, 2014
1561
while(1){
1562
try{
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1563
var obj2 = _b_.next(iterable)
Coding style
Mar 19, 2018
1564
if(! isinstance(obj2, str)){throw _b_.TypeError.$factory(
1565
"sequence item " + count + ": expected str instance, " +
Replace occurrences of $B.get_class(obj).__name__ by $B.class_name(ob…
Jan 3, 2019
1566
$B.class_name(obj2) + " found")}
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1567
res.push(obj2)
@PierreQuentel
First import
Sep 5, 2014
1568
}catch(err){
Restore current exception when internal code expects to raise another…
Dec 28, 2017
1569
if(_b_.isinstance(err, _b_.StopIteration)){
1570
break
1571
}
@PierreQuentel
First import
Sep 5, 2014
1572
else{throw err}
1573
}
1574
}
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1575
return res.join($.self)
@PierreQuentel
First import
Sep 5, 2014
1576
}
1577
str
Feb 10, 2018
1578
str.ljust = function(self) {
Coding style
Mar 19, 2018
1579
var $ = $B.args("ljust", 3, {self: null, width: null, fillchar:null},
1580
["self", "width", "fillchar"],
1581
arguments, {fillchar: " "}, null, null)
@PierreQuentel
Fix bugs in str methods : center, join, lstrip, replace, rjust, rstri…
Sep 18, 2015
1582
Coding style
Mar 19, 2018
1583
if($.width <= self.length){return self}
@PierreQuentel
Fix bugs in str methods : center, join, lstrip, replace, rjust, rstri…
Sep 18, 2015
1584
return self + $.fillchar.repeat($.width - self.length)
@PierreQuentel
First import
Sep 5, 2014
1585
}
1586
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
1587
str.lower = function(self){
1588
var $ = $B.args("lower", 1, {self: null}, ["self"],
1589
arguments, {}, null, null)
1590
return self.toLowerCase()
1591
}
1592
str
Feb 10, 2018
1593
str.lstrip = function(self,x){
Coding style
Mar 19, 2018
1594
var $ = $B.args("lstrip", 2, {self: null, chars: null}, ["self", "chars"],
1595
arguments, {chars:_b_.None}, null, null)
1596
if($.chars === _b_.None){return $.self.trimLeft()}
1597
for(var i = 0; i < $.self.length; i++){
1598
if($.chars.indexOf($.self.charAt(i)) === -1){
1599
return $.self.substring(i)
@jonathanverner
Fix strip handling of bracket character (GH Issue #521).
Nov 2, 2016
1600
}
1601
}
Coding style
Mar 19, 2018
1602
return ""
@PierreQuentel
First import
Sep 5, 2014
1603
}
1604
1605
// note, maketrans should be a static function.
str
Feb 10, 2018
1606
str.maketrans = function() {
Coding style
Mar 19, 2018
1607
var $ = $B.args("maketrans", 3, {x: null, y: null, z: null},
1608
["x", "y", "z"], arguments, {y: null, z: null}, null, null)
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1609
For performance, replace "_b_.dict.$factory()" by "$B.empty_dict()" (…
Jun 29, 2020
1610
var _t = $B.empty_dict()
Fixes bug with NotImplemented (it is not an exception class)
Nov 18, 2018
1611
Coding style
Mar 19, 2018
1612
if($.y === null && $.z === null){
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1613
// If there is only one argument, it must be a dictionary mapping
1614
// Unicode ordinals (integers) or characters (strings of length 1) to
1615
// Unicode ordinals, strings (of arbitrary lengths) or None. Character
Fixes #361 : maketrans returning error in Brython console
Jan 6, 2016
1616
// keys will then be converted to ordinals.
Coding style
Mar 19, 2018
1617
if(! _b_.isinstance($.x, _b_.dict)){
1618
throw _b_.TypeError.$factory(
1619
"maketrans only argument must be a dict")
Fixes #361 : maketrans returning error in Brython console
Jan 6, 2016
1620
}
dict
Feb 11, 2018
1621
var items = _b_.list.$factory(_b_.dict.items($.x))
Coding style
Mar 19, 2018
1622
for(var i = 0, len = items.length; i < len; i++){
1623
var k = items[i][0],
1624
v = items[i][1]
1625
if(! _b_.isinstance(k, _b_.int)){
1626
if(_b_.isinstance(k, _b_.str) && k.length == 1){
1627
k = _b_.ord(k)
1628
}else{throw _b_.TypeError.$factory("dictionary key " + k +
Fixes #361 : maketrans returning error in Brython console
Jan 6, 2016
1629
" is not int or 1-char string")}
1630
}
Coding style
Mar 19, 2018
1631
if(v !== _b_.None && ! _b_.isinstance(v, [_b_.int, _b_.str])){
1632
throw _b_.TypeError.$factory("dictionary value " + v +
Fixes #361 : maketrans returning error in Brython console
Jan 6, 2016
1633
" is not None, integer or string")
1634
}
Impacts of dict implementation change in other scripts
Dec 10, 2018
1635
_b_.dict.$setitem(_t, k, v)
Fixes #361 : maketrans returning error in Brython console
Jan 6, 2016
1636
}
1637
return _t
1638
}else{
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1639
// If there are two arguments, they must be strings of equal length,
Fixes #361 : maketrans returning error in Brython console
Jan 6, 2016
1640
// and in the resulting dictionary, each character in x will be mapped
1641
// to the character at the same position in y
Coding style
Mar 19, 2018
1642
if(! (_b_.isinstance($.x, _b_.str) && _b_.isinstance($.y, _b_.str))){
Implement exceptions as new-style classes
Feb 10, 2018
1643
throw _b_.TypeError.$factory("maketrans arguments must be strings")
Coding style
Mar 19, 2018
1644
}else if($.x.length !== $.y.length){
1645
throw _b_.TypeError.$factory(
1646
"maketrans arguments must be strings or same length")
Fixes #361 : maketrans returning error in Brython console
Jan 6, 2016
1647
}else{
1648
var toNone = {}
Coding style
Mar 19, 2018
1649
if($.z !== null){
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1650
// If there is a third argument, it must be a string, whose
Fixes #361 : maketrans returning error in Brython console
Jan 6, 2016
1651
// characters will be mapped to None in the result
Coding style
Mar 19, 2018
1652
if(! _b_.isinstance($.z, _b_.str)){
1653
throw _b_.TypeError.$factory(
1654
"maketrans third argument must be a string")
Fixes #361 : maketrans returning error in Brython console
Jan 6, 2016
1655
}
Coding style
Mar 19, 2018
1656
for(var i = 0, len = $.z.length; i < len; i++){
Fixes #361 : maketrans returning error in Brython console
Jan 6, 2016
1657
toNone[_b_.ord($.z.charAt(i))] = true
1658
}
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1659
}
Coding style
Mar 19, 2018
1660
for(var i = 0, len = $.x.length; i < len; i++){
Impacts of dict implementation change in other scripts
Dec 10, 2018
1661
var key = _b_.ord($.x.charAt(i)),
Fixes #1078 : 'xyz'.maketrans('abc', 'def', 'abd') not happy with 3 args
Apr 2, 2019
1662
value = $.y.charCodeAt(i)
Impacts of dict implementation change in other scripts
Dec 10, 2018
1663
_b_.dict.$setitem(_t, key, value)
Fixes #361 : maketrans returning error in Brython console
Jan 6, 2016
1664
}
1665
for(var k in toNone){
Impacts of dict implementation change in other scripts
Dec 10, 2018
1666
_b_.dict.$setitem(_t, parseInt(k), _b_.None)
Fixes #361 : maketrans returning error in Brython console
Jan 6, 2016
1667
}
1668
return _t
1669
}
1670
}
@PierreQuentel
First import
Sep 5, 2014
1671
}
1672
Fixes #1077 : 'xyz'.maketrans({'a': 'A'}) not happy with strings
Apr 2, 2019
1673
str.maketrans.$type = "staticmethod"
1674
str
Feb 10, 2018
1675
str.partition = function() {
Coding style
Mar 19, 2018
1676
var $ = $B.args("partition", 2, {self: null, sep: null}, ["self", "sep"],
1677
arguments, {}, null, null)
Coding style
Mar 19, 2018
1678
if($.sep == ""){throw _b_.ValueError.$factory("empty separator")}
Coding style
Mar 19, 2018
1679
check_str($.sep)
1680
var i = $.self.indexOf($.sep)
Coding style
Mar 23, 2018
1681
if(i == -1){return _b_.tuple.$factory([$.self, "", ""])}
Coding style
Mar 19, 2018
1682
return _b_.tuple.$factory([$.self.substring(0, i), $.sep,
1683
$.self.substring(i + $.sep.length)])
1684
}
1685
Implement PEP 616 -- String methods to remove prefixes and suffixes (…
Jun 11, 2020
1686
str.removeprefix = function(){
1687
var $ = $B.args("removeprefix", 2, {self: null, prefix: null},
1688
["self", "prefix"], arguments, {}, null, null)
1689
if(!_b_.isinstance($.prefix, str)){
1690
throw _b_.ValueError.$factory("prefix should be str, not " +
1691
`'${$B.class_name($.prefix)}'`)
1692
}
1693
if(str.startswith($.self, $.prefix)){
1694
return $.self.substr($.prefix.length)
1695
}
1696
return $.self.substr(0)
1697
}
1698
1699
str.removesuffix = function(){
1700
var $ = $B.args("removesuffix", 2, {self: null, prefix: null},
1701
["self", "suffix"], arguments, {}, null, null)
1702
if(!_b_.isinstance($.suffix, str)){
1703
throw _b_.ValueError.$factory("suffix should be str, not " +
1704
`'${$B.class_name($.prefix)}'`)
1705
}
1706
if($.suffix.length > 0 && str.endswith($.self, $.suffix)){
1707
return $.self.substr(0, $.self.length - $.suffix.length)
1708
}
1709
return $.self.substr(0)
1710
}
1711
Coding style
Mar 19, 2018
1712
function $re_escape(str){
1713
var specials = "[.*+?|()$^"
1714
for(var i = 0, len = specials.length; i < len; i++){
1715
var re = new RegExp("\\"+specials.charAt(i), "g")
1716
str = str.replace(re, "\\"+specials.charAt(i))
1717
}
1718
return str
@PierreQuentel
First import
Sep 5, 2014
1719
}
1720
str
Feb 10, 2018
1721
str.replace = function(self, old, _new, count) {
Updated to latest copy of the repo
Jan 1, 2015
1722
// Replaces occurrences of 'old' by '_new'. Count references
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1723
// the number of times to replace. In CPython, negative or undefined
Updated to latest copy of the repo
Jan 1, 2015
1724
// values of count means replace all.
Coding style
Mar 19, 2018
1725
var $ = $B.args("replace", 4,
1726
{self: null, old: null, $$new: null, count: null},
1727
["self", "old", "$$new", "count"],
1728
arguments, {count: -1}, null, null),
1729
count = $.count,
1730
self = $.self,
1731
old = $.old,
1732
_new = $.$$new
@PierreQuentel
Fixes bugs with str.replace()
Sep 18, 2015
1733
// Validate type of old
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1734
check_str(old)
1735
check_str(_new)
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1736
// Validate instance type of 'count'
Coding style
Mar 23, 2018
1737
if(! isinstance(count,[_b_.int, _b_.float])){
Replace occurrences of $B.get_class(obj).__name__ by $B.class_name(ob…
Jan 3, 2019
1738
throw _b_.TypeError.$factory("'" + $B.class_name(count) +
Coding style
Mar 19, 2018
1739
"' object cannot be interpreted as an integer")
1740
}else if(isinstance(count, _b_.float)){
1741
throw _b_.TypeError.$factory("integer argument expected, got float")
1742
}
1743
if(count == 0){return self}
1744
if(count.__class__ == $B.long_int){count = parseInt(count.value)}
1745
if(old == ""){
1746
if(_new == ""){return self}
1747
if(self == ""){return _new}
1748
var elts = self.split("")
1749
if(count > -1 && elts.length >= count){
1750
var rest = elts.slice(count).join("")
1751
return _new + elts.slice(0, count).join(_new) + rest
1752
}else{return _new + elts.join(_new) + _new}
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1753
}else{
Coding style
Mar 19, 2018
1754
var elts = str.split(self, old, count)
@PierreQuentel
First import
Sep 5, 2014
1755
}
Updated to latest copy of the repo
Jan 1, 2015
1756
Coding style
Mar 19, 2018
1757
var res = self,
1758
pos = -1
1759
if(old.length == 0){
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1760
var res = _new
Coding style
Mar 19, 2018
1761
for(var i = 0; i < elts.length; i++){
1762
res += elts[i] + _new
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1763
}
Coding style
Mar 19, 2018
1764
return res + rest
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1765
}
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1766
Coding style
Mar 19, 2018
1767
if(count < 0){count = res.length}
1768
while(count > 0){
1769
pos = res.indexOf(old, pos)
1770
if(pos < 0){break}
1771
res = res.substr(0, pos) + _new + res.substr(pos + old.length)
1772
pos = pos + _new.length
1773
count--
Updated to latest copy of the repo
Jan 1, 2015
1774
}
Coding style
Mar 19, 2018
1775
return res
@PierreQuentel
First import
Sep 5, 2014
1776
}
1777
Improve speed of some bytes and str methods
May 24, 2019
1778
str.rfind = function(self, substr){
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1779
// Return the highest index in the string where substring sub is found,
1780
// such that sub is contained within s[start:end]. Optional arguments
@PierreQuentel
First import
Sep 5, 2014
1781
// start and end are interpreted as in slice notation. Return -1 on failure.
Improve speed of some bytes and str methods
May 24, 2019
1782
if(arguments.length == 2 && typeof substr == "string"){
1783
return self.lastIndexOf(substr)
1784
}
Coding style
Mar 19, 2018
1785
var $ = $B.args("rfind", 4,
Coding style
Mar 19, 2018
1786
{self: null, sub: null, start: null, end: null},
1787
["self", "sub", "start", "end"],
1788
arguments, {start: 0, end: null}, null, null)
@PierreQuentel
First import
Sep 5, 2014
1789
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1790
normalize_start_end($)
1791
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1792
check_str($.sub)
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1793
Coding style
Mar 19, 2018
1794
if($.sub.length == 0){
1795
if($.start > $.self.length){return -1}
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1796
else{return $.self.length}
1797
}
1798
var sublen = $.sub.length
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1799
Coding style
Mar 19, 2018
1800
for(var i = $.end - sublen; i >= $.start; i--){
1801
if($.self.substr(i, sublen) == $.sub){return i}
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1802
}
1803
return -1
@PierreQuentel
First import
Sep 5, 2014
1804
}
1805
str
Feb 10, 2018
1806
str.rindex = function(){
@PierreQuentel
First import
Sep 5, 2014
1807
// Like rfind() but raises ValueError when the substring sub is not found
Coding style
Mar 19, 2018
1808
var res = str.rfind.apply(null, arguments)
1809
if(res == -1){throw _b_.ValueError.$factory("substring not found")}
@PierreQuentel
First import
Sep 5, 2014
1810
return res
1811
}
1812
str
Feb 10, 2018
1813
str.rjust = function(self) {
Coding style
Mar 19, 2018
1814
var $ = $B.args("rjust",3,
1815
{self: null, width: null, fillchar: null},
1816
["self", "width", "fillchar"],
1817
arguments, {fillchar: " "}, null, null)
@PierreQuentel
First import
Sep 5, 2014
1818
Coding style
Mar 19, 2018
1819
if($.width <= self.length){return self}
@PierreQuentel
First import
Sep 5, 2014
1820
@PierreQuentel
Fix bugs in str methods : center, join, lstrip, replace, rjust, rstri…
Sep 18, 2015
1821
return $.fillchar.repeat($.width - self.length) + self
@PierreQuentel
First import
Sep 5, 2014
1822
}
1823
str
Feb 10, 2018
1824
str.rpartition = function(self,sep) {
Coding style
Mar 19, 2018
1825
var $ = $B.args("rpartition", 2, {self: null, sep: null}, ["self", "sep"],
1826
arguments, {}, null, null)
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1827
check_str($.sep)
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1828
var self = reverse($.self),
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1829
sep = reverse($.sep)
Coding style
Mar 19, 2018
1830
var items = str.partition(self, sep).reverse()
1831
for(var i = 0; i < items.length; i++){
1832
items[i] = items[i].split("").reverse().join("")
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1833
}
1834
return items
@PierreQuentel
First import
Sep 5, 2014
1835
}
1836
str
Feb 10, 2018
1837
str.rsplit = function(self) {
Coding style
Mar 19, 2018
1838
var $ = $B.args("rsplit", 3, {self: null, sep: null, maxsplit: null},
1839
["self", "sep", "maxsplit"], arguments,
1840
{sep: _b_.None, maxsplit: -1}, null, null),
1841
sep = $.sep
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1842
1843
// Use split on the reverse of the string and of separator
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1844
var rev_str = reverse($.self),
1845
rev_sep = sep === _b_.None ? sep : reverse($.sep),
str
Feb 10, 2018
1846
rev_res = str.split(rev_str, rev_sep, $.maxsplit)
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1847
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1848
// Reverse the list, then each string inside the list
1849
rev_res.reverse()
Coding style
Mar 19, 2018
1850
for(var i = 0; i < rev_res.length; i++){
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1851
rev_res[i] = reverse(rev_res[i])
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1852
}
1853
return rev_res
@PierreQuentel
First import
Sep 5, 2014
1854
}
1855
Coding style
Mar 19, 2018
1856
str.rstrip = function(self, x){
1857
var $ = $B.args("rstrip", 2, {self: null, chars: null}, ["self", "chars"],
Coding style
Mar 19, 2018
1858
arguments, {chars: _b_.None}, null, null)
1859
if($.chars === _b_.None){return $.self.trimRight()}
Coding style
Mar 21, 2018
1860
for(var j = $.self.length - 1; j >= 0; j--){
Coding style
Mar 19, 2018
1861
if($.chars.indexOf($.self.charAt(j)) == -1){
1862
return $.self.substring(0, j + 1)
@jonathanverner
Fix strip handling of bracket character (GH Issue #521).
Nov 2, 2016
1863
}
1864
}
Coding style
Mar 19, 2018
1865
return ""
@PierreQuentel
First import
Sep 5, 2014
1866
}
1867
str
Feb 10, 2018
1868
str.split = function(){
Coding style
Mar 19, 2018
1869
var $ = $B.args("split", 3, {self: null, sep: null, maxsplit: null},
1870
["self", "sep", "maxsplit"], arguments,
1871
{sep: _b_.None, maxsplit: -1}, null, null),
1872
sep = $.sep,
1873
maxsplit = $.maxsplit,
1874
self = $.self,
1875
pos = 0
1876
if(maxsplit.__class__ === $B.long_int){maxsplit = parseInt(maxsplit.value)}
1877
if(sep == ""){throw _b_.ValueError.$factory("empty separator")}
1878
if(sep === _b_.None){
@PierreQuentel
First import
Sep 5, 2014
1879
var res = []
Coding style
Mar 19, 2018
1880
while(pos < self.length && self.charAt(pos).search(/\s/) > -1){pos++}
1881
if(pos === self.length - 1){return [self]}
1882
var name = ""
@PierreQuentel
First import
Sep 5, 2014
1883
while(1){
Coding style
Mar 19, 2018
1884
if(self.charAt(pos).search(/\s/) == -1){
1885
if(name == ""){name = self.charAt(pos)}
1886
else{name += self.charAt(pos)}
@PierreQuentel
First import
Sep 5, 2014
1887
}else{
Coding style
Mar 19, 2018
1888
if(name !== ""){
@PierreQuentel
First import
Sep 5, 2014
1889
res.push(name)
Coding style
Mar 19, 2018
1890
if(maxsplit !== -1 && res.length == maxsplit + 1){
@PierreQuentel
First import
Sep 5, 2014
1891
res.pop()
Coding style
Mar 19, 2018
1892
res.push(name + self.substr(pos))
@PierreQuentel
First import
Sep 5, 2014
1893
return res
1894
}
Coding style
Mar 19, 2018
1895
name = ""
@PierreQuentel
First import
Sep 5, 2014
1896
}
1897
}
1898
pos++
Coding style
Mar 19, 2018
1899
if(pos > self.length - 1){
@PierreQuentel
First import
Sep 5, 2014
1900
if(name){res.push(name)}
1901
break
1902
}
1903
}
1904
return res
1905
}else{
Coding style
Mar 19, 2018
1906
var res = [],
1907
s = "",
1908
seplen = sep.length
1909
if(maxsplit == 0){return [self]}
1910
while(pos < self.length){
1911
if(self.substr(pos, seplen) == sep){
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1912
res.push(s)
1913
pos += seplen
Coding style
Mar 19, 2018
1914
if(maxsplit > -1 && res.length >= maxsplit){
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1915
res.push(self.substr(pos))
1916
return res
1917
}
Coding style
Mar 19, 2018
1918
s = ""
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1919
}else{
1920
s += self.charAt(pos)
1921
pos++
@PierreQuentel
First import
Sep 5, 2014
1922
}
1923
}
@PierreQuentel
Fixes many bugs in str methods (split, rsplit, find, rfind, lower, up…
Sep 18, 2015
1924
res.push(s)
1925
return res
@PierreQuentel
First import
Sep 5, 2014
1926
}
1927
}
1928
Fixes #1306 : improved compliance for str and bytes splitlines()
Feb 27, 2020
1929
str.splitlines = function(self) {
1930
var $ = $B.args('splitlines', 2, {self: null, keepends: null},
1931
['self','keepends'], arguments, {keepends: false},
1932
null, null)
1933
if(!_b_.isinstance($.keepends,[_b_.bool, _b_.int])){
1934
throw _b_.TypeError('integer argument expected, got '+
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1935
$B.get_class($.keepends).__name)
1936
}
Fixes #1306 : improved compliance for str and bytes splitlines()
Feb 27, 2020
1937
var keepends = _b_.int.$factory($.keepends),
1938
res = [],
1939
self = $.self,
1940
start = 0,
1941
pos = 0
1942
if(!self.length){
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1943
return res
1944
}
Fixes #1306 : improved compliance for str and bytes splitlines()
Feb 27, 2020
1945
while (pos < self.length) {
1946
if(self.substr(pos, 2) == '\r\n'){
1947
res.push(self.slice(start, keepends ? pos + 2 : pos))
1948
start = pos = pos+2
1949
}else if(self[pos] == '\r' || self[pos] == '\n'){
1950
res.push(self.slice(start, keepends ? pos+1 : pos))
1951
start = pos = pos+1
1952
}else{
1953
pos++
1954
}
1955
}
1956
if(start < self.length){
1957
res.push(self.slice(start))
1958
}
1959
return res
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1960
}
@PierreQuentel
First import
Sep 5, 2014
1961
str
Feb 10, 2018
1962
str.startswith = function(){
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1963
// Return True if string starts with the prefix, otherwise return False.
1964
// prefix can also be a tuple of prefixes to look for. With optional
1965
// start, test string beginning at that position. With optional end,
@PierreQuentel
First import
Sep 5, 2014
1966
// stop comparing string at that position.
Coding style
Mar 19, 2018
1967
var $ = $B.args("startswith", 4,
1968
{self: null, prefix: null, start: null, end: null},
1969
["self", "prefix", "start", "end"],
1970
arguments, {start: 0, end: null}, null, null)
@PierreQuentel
First import
Sep 5, 2014
1971
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1972
normalize_start_end($)
1973
1974
var prefixes = $.prefix
Coding style
Mar 19, 2018
1975
if(! isinstance(prefixes, _b_.tuple)){prefixes = [prefixes]}
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
1976
Coding style
Mar 19, 2018
1977
var s = $.self.substring($.start, $.end)
1978
for(var i = 0, len = prefixes.length; i < len; i++){
Fix leaks into global Javascript namespace
Jun 17, 2018
1979
var prefix = prefixes[i]
Coding style
Mar 19, 2018
1980
if(! _b_.isinstance(prefix, str)){throw _b_.TypeError.$factory(
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1981
"endswith first arg must be str or a tuple of str, not int")}
Coding style
Mar 19, 2018
1982
if(s.substr(0, prefix.length) == prefix){return true}
@PierreQuentel
First import
Sep 5, 2014
1983
}
1984
return false
@PierreQuentel
Fixes bugs in str methods
Sep 20, 2015
1985
@PierreQuentel
First import
Sep 5, 2014
1986
}
1987
str
Feb 10, 2018
1988
str.strip = function(){
Coding style
Mar 19, 2018
1989
var $ = $B.args("strip", 2, {self: null, chars: null}, ["self", "chars"],
1990
arguments, {chars: _b_.None}, null, null)
1991
if($.chars === _b_.None){return $.self.trim()}
1992
for(var i = 0; i < $.self.length; i++){
1993
if($.chars.indexOf($.self.charAt(i)) == -1){
1994
break
@jonathanverner
Fix strip handling of bracket character (GH Issue #521).
Nov 2, 2016
1995
}
1996
}
Coding style
Mar 19, 2018
1997
for(var j = $.self.length - 1; j >= i; j--){
1998
if($.chars.indexOf($.self.charAt(j)) == -1){
1999
break
@jonathanverner
Fix strip handling of bracket character (GH Issue #521).
Nov 2, 2016
2000
}
2001
}
Coding style
Mar 19, 2018
2002
return $.self.substring(i, j + 1)
@PierreQuentel
First import
Sep 5, 2014
2003
}
2004
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
2005
str.swapcase = function(self){
2006
var $ = $B.args("swapcase", 1, {self}, ["self"],
2007
arguments, {}, null, null),
2008
res = "",
2009
char
2010
2011
for(var i = 0, len = self.length; i < len; i++){
2012
char = self.charCodeAt(i)
2013
if(unicode_tables.Ll[char]){
2014
res += self.charAt(i).toUpperCase()
2015
}else if(unicode_tables.Lu[char]){
2016
res += self.charAt(i).toLowerCase()
2017
}else{
2018
res += self.charAt(i)
2019
}
2020
}
2021
return res
2022
}
2023
2024
str.title = function(self){
2025
var $ = $B.args("title", 1, {self}, ["self"],
2026
arguments, {}, null, null),
2027
state,
2028
char,
2029
res = ""
2030
for(var i = 0, len = self.length; i < len; i++){
2031
char = self.charCodeAt(i)
2032
if(unicode_tables.Ll[char]){
2033
if(! state){
2034
res += self.charAt(i).toUpperCase()
2035
state = "word"
2036
}else{
2037
res += self.charAt(i)
2038
}
2039
}else if(unicode_tables.Lu[char] || unicode_tables.Lt[char]){
2040
res += state ? self.charAt(i).toLowerCase() : self.charAt(i)
2041
state = "word"
2042
}else{
2043
state = null
2044
res += self.charAt(i)
2045
}
2046
}
2047
return res
2048
}
2049
Fixes bugs in str.maketrans() and str.translate()
Nov 14, 2018
2050
str.translate = function(self, table){
Coding style
Mar 19, 2018
2051
var res = [],
Fixes bugs in str.maketrans() and str.translate()
Nov 14, 2018
2052
getitem = $B.$getattr(table, "__getitem__")
2053
for(var i = 0, len = self.length; i < len; i++){
2054
try{
2055
var repl = getitem(self.charCodeAt(i))
2056
if(repl !== _b_.None){
Fixes #1278 : re.escape returning unprintable characters
Jan 26, 2020
2057
if(typeof repl == "string"){
2058
res.push(repl)
2059
}else if(typeof repl == "number"){
2060
res.push(String.fromCharCode(repl))
2061
}
Fixes bugs in str.maketrans() and str.translate()
Nov 14, 2018
2062
}
2063
}catch(err){
2064
res.push(self.charAt(i))
2065
}
@PierreQuentel
First import
Sep 5, 2014
2066
}
Coding style
Mar 19, 2018
2067
return res.join("")
@PierreQuentel
First import
Sep 5, 2014
2068
}
2069
@PierreQuentel
Replace unicode.min.js by the smaller unicode_data.js in py_string.js…
Oct 22, 2019
2070
str.upper = function(self){
2071
var $ = $B.args("upper", 1, {self: null}, ["self"],
2072
arguments, {}, null, null)
2073
return self.toUpperCase()
2074
}
2075
Coding style
Mar 19, 2018
2076
str.zfill = function(self, width){
Coding style
Mar 19, 2018
2077
var $ = $B.args("zfill", 2, {self: null, width: null},
Coding style
Mar 19, 2018
2078
["self", "width"], arguments, {}, null, null)
2079
if($.width <= self.length){return self}
@PierreQuentel
Fix bugs in str methods : center, join, lstrip, replace, rjust, rstri…
Sep 18, 2015
2080
switch(self.charAt(0)){
Coding style
Mar 19, 2018
2081
case "+":
2082
case "-":
2083
return self.charAt(0) +
2084
"0".repeat($.width - self.length) + self.substr(1)
@PierreQuentel
Fix bugs in str methods : center, join, lstrip, replace, rjust, rstri…
Sep 18, 2015
2085
default:
Coding style
Mar 19, 2018
2086
return "0".repeat(width - self.length) + self
@PierreQuentel
Fix bugs in str methods : center, join, lstrip, replace, rjust, rstri…
Sep 18, 2015
2087
}
@PierreQuentel
First import
Sep 5, 2014
2088
}
2089
Implement str(arg, encoding, errors)
Jul 28, 2018
2090
str.$factory = function(arg, encoding, errors){
@PierreQuentel
Fixes regression : str() returns "" instead of raising an exception...
Aug 4, 2019
2091
if(arguments.length == 0){return ""}
@PierreQuentel
If the argument of str() is undefined, raise an exception instead of …
Aug 2, 2019
2092
if(arg === undefined){
Fixes #1352 : functions without return value are not always returning…
Apr 19, 2020
2093
return $B.UndefinedClass.__str__()
@PierreQuentel
If the argument of str() is undefined, raise an exception instead of …
Aug 2, 2019
2094
}
Fixes bug when str() arguments are passed as keywords
Nov 15, 2019
2095
if(encoding !== undefined){
2096
// Arguments may be passed as keywords (cf. issue #1060)
2097
var $ = $B.args("str", 3, {arg: null, encoding: null, errors: null},
2098
["arg", "encoding", "errors"], arguments,
2099
{encoding: "utf-8", errors: "strict"}, null, null),
2100
encoding = $.encoding,
2101
errors = $.errors
2102
}
@earney
make str(i) a bit more efficient
Mar 23, 2015
2103
switch(typeof arg) {
Coding style
Mar 19, 2018
2104
case "string":
Remove debug trace
Mar 27, 2019
2105
return str.__str__(arg)
Coding style
Mar 19, 2018
2106
case "number":
2107
if(isFinite(arg)){return arg.toString()}
@earney
make str(i) a bit more efficient
Mar 23, 2015
2108
}
@PierreQuentel
Improve speed of str() on integers and strings
Mar 22, 2015
2109
try{
For dict, float, int, set and string classes : support old-style and …
Feb 9, 2018
2110
if(arg.$is_class || arg.$factory){
2111
// arg is a class
@PierreQuentel
Fixes #155 : metaclass not set as the type of a class when called dir…
Mar 17, 2015
2112
// In this case, str() doesn't use the attribute __str__ of the
@PierreQuentel
Fix str() for classes
Mar 16, 2015
2113
// class or its subclasses, but the attribute __str__ of the
2114
// class metaclass (usually "type") or its subclasses (usually
2115
// "object")
2116
// The metaclass is the attribute __class__ of the class dictionary
Coding style
Mar 19, 2018
2117
var func = $B.$getattr(arg.__class__, "__str__")
Fixes #720 : "call stack exceeded" for comparison operators using fun…
Dec 7, 2017
2118
return func(arg)
@PierreQuentel
Fix str() for classes
Mar 16, 2015
2119
}
Fixes bug when str() arguments are passed as keywords
Nov 15, 2019
2120
Implement str(arg, encoding, errors)
Jul 28, 2018
2121
if(arg.__class__ && arg.__class__ === _b_.bytes &&
2122
encoding !== undefined){
2123
// str(bytes, encoding, errors) is equal to
2124
// bytes.decode(encoding, errors)
Fixes #1060 : str(bytes('abc', encoding='ascii'), encoding='ascii') r…
Mar 19, 2019
2125
return _b_.bytes.decode(arg, $.encoding, $.errors)
Implement str(arg, encoding, errors)
Jul 28, 2018
2126
}
Fixes #1229 : Python's repr and str function should ignore any instan…
Oct 27, 2019
2127
// Implicit invocation of __str__ uses method __str__ on the class,
2128
// even if arg has an attribute __str__
2129
var klass = arg.__class__ || $B.get_class(arg)
Handle hash() and str() for objects without a class (DOM objects)
May 3, 2020
2130
if(klass === undefined){
Adapt core Brython scripts to new interface with JS objects
Jul 17, 2020
2131
return $B.JSObj.__str__($B.JSObj.$factory(arg))
Handle hash() and str() for objects without a class (DOM objects)
May 3, 2020
2132
}
Fixes #1229 : Python's repr and str function should ignore any instan…
Oct 27, 2019
2133
var method = $B.$getattr(klass , "__str__", null)
2134
if(method === null ||
In str(obj), if obj.__str__ uses object.__str__ and obj has an attrib…
Nov 2, 2018
2135
// if not better than object.__str__, try __repr__
2136
(arg.__class__ && arg.__class__ !== _b_.object &&
Fixes #1229 : Python's repr and str function should ignore any instan…
Oct 27, 2019
2137
method.$infos && method.$infos.__func__ === _b_.object.__str__)){
2138
var method = $B.$getattr(klass, "__repr__")
In str(obj), if obj.__str__ uses object.__str__ and obj has an attrib…
Nov 2, 2018
2139
}
@PierreQuentel
First import
Sep 5, 2014
2140
}
2141
catch(err){
Change object.__getattribute__ and type.__getattribute__ to handle me…
Jun 28, 2018
2142
console.log("no __str__ for", arg)
Coding style
Mar 19, 2018
2143
console.log("err ", err)
In str(obj), if obj.__str__ uses object.__str__ and obj has an attrib…
Nov 2, 2018
2144
if($B.debug > 1){console.log(err)}
2145
console.log("Warning - no method __str__ or __repr__, " +
2146
"default to toString", arg)
Fixes #1060 (new issue)
May 20, 2019
2147
throw err
@PierreQuentel
First import
Sep 5, 2014
2148
}
Fixes #1229 : Python's repr and str function should ignore any instan…
Oct 27, 2019
2149
return $B.$call(method)(arg)
@PierreQuentel
First import
Sep 5, 2014
2150
}
str
Feb 10, 2018
2151
2152
str.__new__ = function(cls){
Coding style
Mar 19, 2018
2153
if(cls === undefined){
2154
throw _b_.TypeError.$factory("str.__new__(): not enough arguments")
@PierreQuentel
First import
Sep 5, 2014
2155
}
Coding style
Mar 19, 2018
2156
return {__class__: cls}
@PierreQuentel
First import
Sep 5, 2014
2157
}
2158
str
Feb 10, 2018
2159
$B.set_func_names(str, "builtins")
Updated to latest copy of the repo
Jan 1, 2015
2160
@PierreQuentel
First import
Sep 5, 2014
2161
// dictionary and factory for subclasses of string
str
Feb 10, 2018
2162
var StringSubclass = $B.StringSubclass = {
Coding style
Mar 19, 2018
2163
__class__: _b_.type,
str
Feb 10, 2018
2164
__mro__: [object],
Fixes #1007 : __name__ should not be an attribute of bool values, int…
Jan 2, 2019
2165
$infos: {
2166
__module__: "builtins",
2167
__name__: "str"
2168
},
str
Feb 10, 2018
2169
$is_class: true
@PierreQuentel
First import
Sep 5, 2014
2170
}
2171
str
Feb 10, 2018
2172
// the methods in subclass apply the methods in str to the
@PierreQuentel
First import
Sep 5, 2014
2173
// result of instance.valueOf(), which is a Javascript string
str
Feb 10, 2018
2174
for(var $attr in str){
Coding style
Mar 19, 2018
2175
if(typeof str[$attr] == "function"){
Coding style
Mar 19, 2018
2176
StringSubclass[$attr] = (function(attr){
@PierreQuentel
First import
Sep 5, 2014
2177
return function(){
Coding style
Mar 19, 2018
2178
var args = [],
2179
pos = 0
2180
if(arguments.length > 0){
2181
var args = [arguments[0].valueOf()],
2182
pos = 1
2183
for(var i = 1, len = arguments.length; i < len; i++){
2184
args[pos++] = arguments[i]
@PierreQuentel
First import
Sep 5, 2014
2185
}
2186
}
Coding style
Mar 19, 2018
2187
return str[attr].apply(null, args)
@PierreQuentel
First import
Sep 5, 2014
2188
}
2189
})($attr)
2190
}
2191
}
Implement str.format_map()
Nov 22, 2020
2192
str
Feb 10, 2018
2193
StringSubclass.__new__ = function(cls){
Remove lzst "old-style" classes and all the code that handled them
Feb 12, 2018
2194
return {__class__: cls}
For dict, float, int, set and string classes : support old-style and …
Feb 9, 2018
2195
}
@PierreQuentel
First import
Sep 5, 2014
2196
str
Feb 10, 2018
2197
$B.set_func_names(StringSubclass, "builtins")
For dict, float, int, set and string classes : support old-style and …
Feb 9, 2018
2198
@PierreQuentel
First import
Sep 5, 2014
2199
_b_.str = str
2200
@PierreQuentel
Fixes issues with float.__format__
Aug 21, 2015
2201
// Function to parse the 2nd argument of format()
2202
$B.parse_format_spec = function(spec){
Coding style
Mar 19, 2018
2203
if(spec == ""){this.empty = true}
@PierreQuentel
Fixes issues with float.__format__
Aug 21, 2015
2204
else{
Coding style
Mar 19, 2018
2205
var pos = 0,
2206
aligns = "<>=^",
2207
digits = "0123456789",
2208
types = "bcdeEfFgGnosxX%",
@PierreQuentel
Fixes bugs with str.format()
Aug 29, 2015
2209
align_pos = aligns.indexOf(spec.charAt(0))
Coding style
Mar 19, 2018
2210
if(align_pos != -1){
2211
if(spec.charAt(1) && aligns.indexOf(spec.charAt(1)) != -1){
@PierreQuentel
Fixes bugs with str.format()
Aug 29, 2015
2212
// If the second char is also an alignment specifier, the
2213
// first char is the fill value
2214
this.fill = spec.charAt(0)
2215
this.align = spec.charAt(1)
2216
pos = 2
2217
}else{
2218
// The first character defines alignment : fill defaults to ' '
Coding style
Mar 19, 2018
2219
this.align = aligns[align_pos]
2220
this.fill = " "
@PierreQuentel
Fixes bugs with str.format()
Aug 29, 2015
2221
pos++
2222
}
2223
}else{
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
2224
align_pos = aligns.indexOf(spec.charAt(1))
Coding style
Mar 19, 2018
2225
if(spec.charAt(1) && align_pos != -1){
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
2226
// The second character defines alignment : fill is the first one
Coding style
Mar 19, 2018
2227
this.align = aligns[align_pos]
2228
this.fill = spec.charAt(0)
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
2229
pos = 2
2230
}
2231
}
2232
var car = spec.charAt(pos)
Coding style
Mar 19, 2018
2233
if(car == "+" || car == "-" || car == " "){
2234
this.sign = car
2235
pos++
2236
car = spec.charAt(pos)
@PierreQuentel
Fixes issues with float.__format__
Aug 21, 2015
2237
}
Coding style
Mar 19, 2018
2238
if(car == "#"){this.alternate = true; pos++; car = spec.charAt(pos)}
2239
if(car == "0"){
Coding style
Mar 19, 2018
2240
// sign-aware : equivalent to fill = 0 and align == "="
Coding style
Mar 19, 2018
2241
this.fill = "0"
Fixes #1075 : format(123.456, "^-09.3f") not centered
Apr 2, 2019
2242
if(align_pos == -1){
2243
this.align = "="
2244
}
Coding style
Mar 19, 2018
2245
pos++
2246
car = spec.charAt(pos)
@PierreQuentel
Fixes bugs with str.format()
Aug 29, 2015
2247
}
Coding style
Mar 19, 2018
2248
while(car && digits.indexOf(car) > -1){
2249
if(this.width === undefined){this.width = car}
2250
else{this.width += car}
2251
pos++
2252
car = spec.charAt(pos)
@PierreQuentel
Fixes issues with float.__format__
Aug 21, 2015
2253
}
Coding style
Mar 19, 2018
2254
if(this.width !== undefined){this.width = parseInt(this.width)}
Fixes bugs in string formatting to pass the tests in Lib/test/test_st…
Nov 12, 2018
2255
if(this.width === undefined && car == "{"){
2256
// Width is determined by a parameter
2257
var end_param_pos = spec.substr(pos).search("}")
2258
this.width = spec.substring(pos, end_param_pos)
2259
console.log("width", "[" + this.width + "]")
2260
pos += end_param_pos + 1
2261
}
Coding style
Mar 19, 2018
2262
if(car == ","){this.comma = true; pos++; car = spec.charAt(pos)}
2263
if(car == "."){
2264
if(digits.indexOf(spec.charAt(pos + 1)) == -1){
2265
throw _b_.ValueError.$factory(
2266
"Missing precision in format spec")
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
2267
}
Coding style
Mar 19, 2018
2268
this.precision = spec.charAt(pos + 1)
2269
pos += 2
2270
car = spec.charAt(pos)
2271
while(car && digits.indexOf(car) > -1){
Coding style
Mar 21, 2018
2272
this.precision += car
Coding style
Mar 19, 2018
2273
pos++
2274
car = spec.charAt(pos)
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
2275
}
2276
this.precision = parseInt(this.precision)
2277
}
Coding style
Mar 19, 2018
2278
if(car && types.indexOf(car) > -1){
2279
this.type = car
2280
pos++
2281
car = spec.charAt(pos)
2282
}
2283
if(pos !== spec.length){
Fixes bugs in string formatting to pass the tests in Lib/test/test_st…
Nov 12, 2018
2284
throw _b_.ValueError.$factory("Invalid format specifier: " + spec)
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
2285
}
Fixes #654 : printing exceptions differs from CPython
Aug 31, 2017
2286
}
Fixes #1076 : 'str' object has no attribute 'isascii'
Apr 2, 2019
2287
@PierreQuentel
Major rewriting of "new style" string formatting.
Aug 27, 2015
2288
this.toString = function(){
Coding style
Mar 19, 2018
2289
return (this.fill === undefined ? "" : _b_.str.$factory(this.fill)) +
2290
(this.align || "") +
2291
(this.sign || "") +
2292
(this.alternate ? "#" : "") +
2293
(this.sign_aware ? "0" : "") +
2294
(this.width || "") +
2295
(this.comma ? "," : "") +
2296
(this.precision ? "." + this.precision : "") +
2297
(this.type || "")
@PierreQuentel
Fixes issues with float.__format__
Aug 21, 2015
2298
}
2299
}
2300
2301
$B.format_width = function(s, fmt){
Coding style
Mar 19, 2018
2302
if(fmt.width && s.length < fmt.width){
2303
var fill = fmt.fill || " ",
2304
align = fmt.align || "<",
2305
missing = fmt.width - s.length
@PierreQuentel
Fixes issues with float.__format__
Aug 21, 2015
2306
switch(align){
Coding style
Mar 19, 2018
2307
case "<":
2308
return s + fill.repeat(missing)
2309
case ">":
2310
return fill.repeat(missing) + s
2311
case "=":
2312
if("+-".indexOf(s.charAt(0)) > -1){
2313
return s.charAt(0) + fill.repeat(missing) + s.substr(1)
@PierreQuentel
Fixes issues with float.__format__
Aug 21, 2015
2314
}else{
Coding style
Mar 19, 2018
2315
return fill.repeat(missing) + s
@PierreQuentel
Fixes issues with float.__format__
Aug 21, 2015
2316
}
Coding style
Mar 19, 2018
2317
case "^":
2318
var left = parseInt(missing / 2)
2319
return fill.repeat(left) + s + fill.repeat(missing - left)
@PierreQuentel
Fixes issues with float.__format__
Aug 21, 2015
2320
}
2321
}
2322
return s
2323
}
2324
Improved implementation of f-strings
Jul 10, 2017
2325
function fstring_expression(){
Coding style
Mar 19, 2018
2326
this.type = "expression"
2327
this.expression = ""
Improved implementation of f-strings
Jul 10, 2017
2328
this.conversion = null
2329
this.fmt = null
2330
}
2331
First implementation of f-strings
Jun 29, 2017
2332
$B.parse_fstring = function(string){
2333
// Parse a f-string
2334
var elts = [],
2335
pos = 0,
Coding style
Mar 19, 2018
2336
current = "",
First implementation of f-strings
Jun 29, 2017
2337
ctype = null,
2338
nb_braces = 0,
2339
car
2340
Coding style
Mar 19, 2018
2341
while(pos < string.length){
2342
if(ctype === null){
First implementation of f-strings
Jun 29, 2017
2343
car = string.charAt(pos)
Coding style
Mar 19, 2018
2344
if(car == "{"){
Coding style
Mar 21, 2018
2345
if(string.charAt(pos + 1) == "{"){
Coding style
Mar 19, 2018
2346
ctype = "string"
2347
current = "{"
First implementation of f-strings
Jun 29, 2017
2348
pos += 2
2349
}else{
Coding style
Mar 19, 2018
2350
ctype = "expression"
First implementation of f-strings
Jun 29, 2017
2351
nb_braces = 1
2352
pos++
2353
}
Coding style
Mar 19, 2018
2354
}else if(car == "}"){
Coding style
Mar 21, 2018
2355
if(string.charAt(pos + 1) == car){
Coding style
Mar 19, 2018
2356
ctype = "string"
2357
current = "}"
Improve implementation of f-strings
Jul 14, 2017
2358
pos += 2
First implementation of f-strings
Jun 29, 2017
2359
}else{
2360
throw Error(" f-string: single '}' is not allowed")
2361
}
2362
}else{
Coding style
Mar 19, 2018
2363
ctype = "string"
First implementation of f-strings
Jun 29, 2017
2364
current = car
Improve implementation of f-strings
Jul 14, 2017
2365
pos++
First implementation of f-strings
Jun 29, 2017
2366
}
Coding style
Mar 19, 2018
2367
}else if(ctype == "string"){
First implementation of f-strings
Jun 29, 2017
2368
// end of string is the first single { or end of string
Coding style
Mar 19, 2018
2369
var i = pos
2370
while(i < string.length){
First implementation of f-strings
Jun 29, 2017
2371
car = string.charAt(i)
Coding style
Mar 19, 2018
2372
if(car == "{"){
Coding style
Mar 21, 2018
2373
if(string.charAt(i + 1) == "{"){
Coding style
Mar 19, 2018
2374
current += "{"
2375
i += 2
First implementation of f-strings
Jun 29, 2017
2376
}else{
2377
elts.push(current)
Coding style
Mar 19, 2018
2378
ctype = "expression"
2379
pos = i + 1
First implementation of f-strings
Jun 29, 2017
2380
break
2381
}
Coding style
Mar 19, 2018
2382
}else if(car == "}"){
2383
if(string.charAt(i + 1) == car){
First implementation of f-strings
Jun 29, 2017
2384
current += car
2385
i += 2
2386
}else{
2387
throw Error(" f-string: single '}' is not allowed")
2388
}
2389
}else{
2390
current += car
2391
i++
2392
}
2393
}
Coding style
Mar 19, 2018
2394
pos = i + 1
Support f-string specifier = for debugging (anticipation of Python 3.8)
Oct 13, 2019
2395
}else if(ctype == "debug"){
2396
// after the equal sign, whitespace are ignored and the only
2397
// valid characters are } and :
2398
while(string.charAt(i) == " "){i++}
2399
if(string.charAt(i) == "}"){
2400
// end of debug expression
2401
elts.push(current)
2402
ctype = null
2403
current = ""
2404
pos = i + 1
2405
}
First implementation of f-strings
Jun 29, 2017
2406
}else{
2407
// End of expression is the } matching the opening {
2408
// There may be nested braces
2409
var i = pos,
2410
nb_braces = 1,
Improve implementation of f-strings
Jul 14, 2017
2411
nb_paren = 0,
Improved implementation of f-strings
Jul 10, 2017
2412
current = new fstring_expression()
Coding style
Mar 19, 2018
2413
while(i < string.length){
First implementation of f-strings
Jun 29, 2017
2414
car = string.charAt(i)
Coding style
Mar 19, 2018
2415
if(car == "{" && nb_paren == 0){
First implementation of f-strings
Jun 29, 2017
2416
nb_braces++
f-strings : support {expr} in format specifiers
Jul 14, 2017
2417
current.expression += car
First implementation of f-strings
Jun 29, 2017
2418
i++
Coding style
Mar 19, 2018
2419
}else if(car == "}" && nb_paren == 0){
First implementation of f-strings
Jun 29, 2017
2420
nb_braces -= 1
Coding style
Mar 19, 2018
2421
if(nb_braces == 0){
First implementation of f-strings
Jun 29, 2017
2422
// end of expression
Improved implementation of f-strings
Jul 10, 2017
2423
elts.push(current)
First implementation of f-strings
Jun 29, 2017
2424
ctype = null
Coding style
Mar 19, 2018
2425
current = ""
2426
pos = i + 1
f-strings : support {expr} in format specifiers
Jul 14, 2017
2427
break
First implementation of f-strings
Jun 29, 2017
2428
}
f-strings : support {expr} in format specifiers
Jul 14, 2017
2429
current.expression += car
2430
i++
Coding style
Mar 19, 2018
2431
}else if(car == "\\"){
Improved implementation of f-strings
Jul 10, 2017
2432
// backslash is not allowed in expressions
2433
throw Error("f-string expression part cannot include a" +
2434
" backslash")
Coding style
Mar 19, 2018
2435
}else if(nb_paren == 0 && car == "!" && current.fmt === null &&
Coding style
Mar 21, 2018
2436
":}".indexOf(string.charAt(i + 2)) > -1){
Coding style
Mar 19, 2018
2437
if(current.expression.length == 0){
Improved implementation of f-strings
Jul 10, 2017
2438
throw Error("f-string: empty expression not allowed")
2439
}
Coding style
Mar 19, 2018
2440
if("ars".indexOf(string.charAt(i + 1)) == -1){
Improved implementation of f-strings
Jul 10, 2017
2441
throw Error("f-string: invalid conversion character:" +
2442
" expected 's', 'r', or 'a'")
2443
}else{
Coding style
Mar 19, 2018
2444
current.conversion = string.charAt(i + 1)
Improved implementation of f-strings
Jul 10, 2017
2445
i += 2
2446
}
Coding style
Mar 19, 2018
2447
}else if(car == "("){
Improve implementation of f-strings
Jul 14, 2017
2448
nb_paren++
2449
current.expression += car
2450
i++
Coding style
Mar 19, 2018
2451
}else if(car == ")"){
Improve implementation of f-strings
Jul 14, 2017
2452
nb_paren--
2453
current.expression += car
2454
i++
Coding style
Mar 19, 2018
2455
}else if(car == '"'){
Improve implementation of f-strings
Jul 14, 2017
2456
// triple string ?
Coding style
Mar 19, 2018
2457
if(string.substr(i, 3) == '"""'){
2458
var end = string.indexOf('"""', i + 3)
2459
if(end == -1){
2460
throw Error("f-string: unterminated string")
2461
}else{
2462
var trs = string.substring(i, end + 3)
2463
trs = trs.replace("\n", "\\n\\")
Improve implementation of f-strings
Jul 14, 2017
2464
current.expression += trs
Coding style
Mar 19, 2018
2465
i = end + 3
Improve implementation of f-strings
Jul 14, 2017
2466
}
2467
}else{
Coding style
Mar 19, 2018
2468
var end = string.indexOf('"', i + 1)
2469
if(end == -1){
2470
throw Error("f-string: unterminated string")
2471
}else{
2472
current.expression += string.substring(i, end + 1)
2473
i = end + 1
Improve implementation of f-strings
Jul 14, 2017
2474
}
2475
}
Coding style
Mar 19, 2018
2476
}else if(nb_paren == 0 && car == ":"){
Improved implementation of f-strings
Jul 10, 2017
2477
current.fmt = true
2478
current.expression += car
2479
i++
Support f-string specifier = for debugging (anticipation of Python 3.8)
Oct 13, 2019
2480
}else if(car == "="){
2481
// might be a "debug expression", eg f"{x=}"
Fixes #1427 : issue with print's f-string handling of new = option wh…
Jun 20, 2020
2482
var ce = current.expression,
2483
last_char = ce.charAt(ce.length - 1),
2484
last_char_re = ('()'.indexOf(last_char) > -1 ? "\\" : "") + last_char
Fixes #1440 : management of unassigned Unicode code points
Jul 8, 2020
2485
Support f-string specifier = for debugging (anticipation of Python 3.8)
Oct 13, 2019
2486
if(ce.length == 0 ||
Fixes #1544 : problem with unittest.mock (bug with '"' inside f-strings)
Nov 30, 2020
2487
nb_paren > 0 ||
Fixes regressions introduced by recent commits
Dec 27, 2019
2488
string.charAt(i + 1) == "=" ||
Fixes #1544 : problem with unittest.mock (bug with '"' inside f-strings)
Nov 30, 2020
2489
"=!<>:".search(last_char_re) > -1){
2490
current.expression += car //+ string.charAt(i + 1)
2491
i += 1
Support f-string specifier = for debugging (anticipation of Python 3.8)
Oct 13, 2019
2492
}else{
2493
// add debug string
2494
tail = car
2495
while(string.charAt(i + 1).match(/\s/)){
2496
tail += string.charAt(i + 1)
2497
i++
2498
}
2499
elts.push(current.expression + tail)
2500
// remove trailing whitespace from expression
2501
while(ce.match(/\s$/)){
2502
ce = ce.substr(0, ce.length - 1)
2503
}
2504
current.expression = ce
2505
ctype = "debug"
2506
i++
2507
}
First implementation of f-strings
Jun 29, 2017
2508
}else{
Improved implementation of f-strings
Jul 10, 2017
2509
current.expression += car
First implementation of f-strings
Jun 29, 2017
2510
i++
2511
}
2512
}
Coding style
Mar 21, 2018
2513
if(nb_braces > 0){
First implementation of f-strings
Jun 29, 2017
2514
throw Error("f-string: expected '}'")
2515
}
2516
}
2517
}
Coding style
Mar 19, 2018
2518
if(current.length > 0){elts.push(current)}
First implementation of f-strings
Jun 29, 2017
2519
return elts
2520
}
2521
Fixes #1365 : strings with surrogate pairs (was: re module may be cra…
Apr 25, 2020
2522
// Class for strings with surrogate pairs. We can't rely on Javascript
2523
// strings in this case because they don't count characters like Python
2524
2525
var surrogate = str.$surrogate = $B.make_class("surrogate_string", function(s){
2526
// create an instance of str subclass for strings with surrogate pairs
2527
var items = []
2528
for(var i = 0, len = s.length; i < len; i++){
2529
var code = s.charCodeAt(i)
2530
if(code >= 0xD800 && code <= 0xDBFF){
2531
i++
2532
var low = s.charCodeAt(i)
2533
code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000
2534
}
2535
items.push(String.fromCodePoint(code))
2536
}
2537
return {
2538
__class__: str.$surrogate,
2539
items: items
2540
}
2541
})
2542
2543
surrogate.__mro__ = [str, object]
2544
2545
surrogate.__contains__ = function(self, other){
2546
return str.__contains__(self.items.join(''), other)
2547
}
2548
2549
surrogate.__getitem__ = function(self, arg){
2550
if(isinstance(arg, _b_.int)){
2551
var pos = arg
2552
if(arg < 0){
2553
pos += self.items.length
2554
}
2555
if(pos >= 0 && pos < self.items.length){
2556
if(self.items[pos].length == 2){
2557
return surrogate.$factory(self.items[pos])
2558
}
2559
return self.items[pos]
2560
}
2561
throw _b_.IndexError.$factory("string index out of range")
2562
}
2563
if(isinstance(arg, slice)) {
2564
var s = _b_.slice.$conv_for_seq(arg, self.items.length),
2565
start = s.start,
2566
stop = s.stop,
2567
step = s.step
2568
var res = "",
2569
i = null
2570
if(step > 0){
2571
if(stop <= start){return ""}
2572
for(var i = start; i < stop; i += step){
2573
res += self.items[i]
2574
}
2575
}else{
2576
if(stop >= start){return ''}
2577
for(var i = start; i > stop; i += step){
2578
res += self.items[i]
2579
}
2580
}
2581
return res
2582
}
2583
if(isinstance(arg, _b_.bool)){
2584
return surrogate.__getitem__(self, _b_.int.$factory(arg))
2585
}
2586
throw _b_.TypeError.$factory("string indices must be integers")
2587
}
2588
2589
surrogate.__hash__ = function(self){
2590
return str.__hash__(self.items.join(''))
2591
}
2592
2593
surrogate.__iter__ = function(self){
2594
return str_iterator.$factory(self.items)
2595
}
2596
2597
surrogate.__len__ = function(self){
2598
return self.items.length
2599
}
2600
2601
surrogate.__repr__ = function(self){
2602
return str.__repr__(self.items.join(''))
2603
}
2604
2605
surrogate.__str__ = function(self){
2606
return str.__str__(self.items.join(''))
2607
}
2608
2609
$B.set_func_names(surrogate, "builtins")
2610
2611
@PierreQuentel
First import
Sep 5, 2014
2612
})(__BRYTHON__)