1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
import unittest, optional_nonstrict
include nre
block: # captures
block: # map capture names to numbers
check(getNameToNumberTable(re("(?<v1>1(?<v2>2(?<v3>3))(?'v4'4))()")) ==
{ "v1" : 0, "v2" : 1, "v3" : 2, "v4" : 3 }.toTable())
block: # capture bounds are correct
let ex1 = re("([0-9])")
check("1 23".find(ex1).matchBounds == 0 .. 0)
check("1 23".find(ex1).captureBounds[0] == 0 .. 0)
check("1 23".find(ex1, 1).matchBounds == 2 .. 2)
check("1 23".find(ex1, 3).matchBounds == 3 .. 3)
let ex2 = re("()()()()()()()()()()([0-9])")
check("824".find(ex2).captureBounds[0] == 0 .. -1)
check("824".find(ex2).captureBounds[10] == 0 .. 0)
let ex3 = re("([0-9]+)")
check("824".find(ex3).captureBounds[0] == 0 .. 2)
block: # named captures
let ex1 = "foobar".find(re("(?<foo>foo)(?<bar>bar)"))
check(ex1.captures["foo"] == "foo")
check(ex1.captures["bar"] == "bar")
let ex2 = "foo".find(re("(?<foo>foo)(?<bar>bar)?"))
check("foo" in ex2.captureBounds)
check(ex2.captures["foo"] == "foo")
check(not ("bar" in ex2.captures))
expect KeyError:
discard ex2.captures["bar"]
block: # named capture bounds
let ex1 = "foo".find(re("(?<foo>foo)(?<bar>bar)?"))
check("foo" in ex1.captureBounds)
check(ex1.captureBounds["foo"] == 0..2)
check(not ("bar" in ex1.captures))
expect KeyError:
discard ex1.captures["bar"]
block: # capture count
let ex1 = re("(?<foo>foo)(?<bar>bar)?")
check(ex1.captureCount == 2)
check(ex1.captureNameId == {"foo" : 0, "bar" : 1}.toTable())
block: # named capture table
let ex1 = "foo".find(re("(?<foo>foo)(?<bar>bar)?"))
check(ex1.captures.toTable == {"foo" : "foo"}.toTable())
check(ex1.captureBounds.toTable == {"foo" : 0..2}.toTable())
let ex2 = "foobar".find(re("(?<foo>foo)(?<bar>bar)?"))
check(ex2.captures.toTable == {"foo" : "foo", "bar" : "bar"}.toTable())
block: # capture sequence
let ex1 = "foo".find(re("(?<foo>foo)(?<bar>bar)?"))
check(ex1.captures.toSeq == @[some("foo"), none(string)])
check(ex1.captureBounds.toSeq == @[some(0..2), none(Slice[int])])
check(ex1.captures.toSeq(some("")) == @[some("foo"), some("")])
let ex2 = "foobar".find(re("(?<foo>foo)(?<bar>bar)?"))
check(ex2.captures.toSeq == @[some("foo"), some("bar")])
|
