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The implementation needs to match the API after all ;)
This commit is contained in:
Flaviu Tamas
2015-01-16 19:11:28 -05:00
parent ca3e72ee27
commit 1a5401ebcf
2 changed files with 20 additions and 23 deletions
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15
src/nre.nim
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@@ -317,11 +317,7 @@ proc matchImpl(str: string, pattern: Regex, start, endpos: int, flags: int): Reg
raise newException(AssertionError, "Internal error: errno " & $execRet)
proc match*(str: string, pattern: Regex, start = 0, endpos = -1): RegexMatch =
## Returns a `RegexMatch` if there is a match between `start` and `endpos`, otherwise
## it returns nil.
##
## if `endpos == -1`, then `endpos = str.len`
return str.matchImpl(pattern, start, endpos, 0)
return str.matchImpl(pattern, start, endpos, pcre.ANCHORED)
iterator findIter*(str: string, pattern: Regex, start = 0, endpos = -1): RegexMatch =
# see pcredemo for explaination
@@ -364,10 +360,11 @@ iterator findIter*(str: string, pattern: Regex, start = 0, endpos = -1): RegexMa
yield currentMatch
proc find*(str: string, pattern: Regex, start = 0, endpos = -1): RegexMatch =
for match in str.findIter(pattern, start, endpos):
return match
return nil
## Returns a `RegexMatch` if there is a match between `start` and `endpos`, otherwise
## it returns nil.
##
## if `endpos == -1`, then `endpos = str.len`
return str.matchImpl(pattern, start, endpos, 0)
proc findAll*(str: string, pattern: Regex, start = 0, endpos = -1): seq[RegexMatch] =
accumulateResult(str.findIter(pattern, start, endpos))

28
test/captures.nim
View File

@@ -8,29 +8,29 @@ suite "captures":
test "capture bounds are correct":
let ex1 = initRegex("([0-9])")
check("1 23".match(ex1).matchBounds == 0 .. 1)
check("1 23".match(ex1).captureBounds[0].get == 0 .. 1)
check("1 23".match(ex1, 1).matchBounds == 2 .. 3)
check("1 23".match(ex1, 3).matchBounds == 3 .. 4)
check("1 23".find(ex1).matchBounds == 0 .. 1)
check("1 23".find(ex1).captureBounds[0].get == 0 .. 1)
check("1 23".find(ex1, 1).matchBounds == 2 .. 3)
check("1 23".find(ex1, 3).matchBounds == 3 .. 4)
let ex2 = initRegex("()()()()()()()()()()([0-9])")
check("824".match(ex2).captureBounds[0].get == 0 .. 0)
check("824".match(ex2).captureBounds[10].get == 0 .. 1)
check("824".find(ex2).captureBounds[0].get == 0 .. 0)
check("824".find(ex2).captureBounds[10].get == 0 .. 1)
let ex3 = initRegex("([0-9]+)")
check("824".match(ex3).captureBounds[0].get == 0 .. 3)
check("824".find(ex3).captureBounds[0].get == 0 .. 3)
test "named captures":
let ex1 = "foobar".match(initRegex("(?<foo>foo)(?<bar>bar)"))
let ex1 = "foobar".find(initRegex("(?<foo>foo)(?<bar>bar)"))
check(ex1.captures["foo"] == "foo")
check(ex1.captures["bar"] == "bar")
let ex2 = "foo".match(initRegex("(?<foo>foo)(?<bar>bar)?"))
let ex2 = "foo".find(initRegex("(?<foo>foo)(?<bar>bar)?"))
check(ex2.captures["foo"] == "foo")
check(ex2.captures["bar"] == nil)
test "named capture bounds":
let ex1 = "foo".match(initRegex("(?<foo>foo)(?<bar>bar)?"))
let ex1 = "foo".find(initRegex("(?<foo>foo)(?<bar>bar)?"))
check(ex1.captureBounds["foo"] == Some(0..3))
check(ex1.captureBounds["bar"] == None[Slice[int]]())
@@ -40,20 +40,20 @@ suite "captures":
check(ex1.captureNameId == {"foo" : 0, "bar" : 1}.toTable())
test "named capture table":
let ex1 = "foo".match(initRegex("(?<foo>foo)(?<bar>bar)?"))
let ex1 = "foo".find(initRegex("(?<foo>foo)(?<bar>bar)?"))
check(ex1.captures.asTable == {"foo" : "foo", "bar" : nil}.toTable())
check(ex1.captureBounds.asTable == {"foo" : Some(0..3), "bar" : None[Slice[int]]()}.toTable())
check(ex1.captures.asTable("") == {"foo" : "foo", "bar" : ""}.toTable())
let ex2 = "foobar".match(initRegex("(?<foo>foo)(?<bar>bar)?"))
let ex2 = "foobar".find(initRegex("(?<foo>foo)(?<bar>bar)?"))
check(ex2.captures.asTable == {"foo" : "foo", "bar" : "bar"}.toTable())
test "capture sequence":
let ex1 = "foo".match(initRegex("(?<foo>foo)(?<bar>bar)?"))
let ex1 = "foo".find(initRegex("(?<foo>foo)(?<bar>bar)?"))
check(ex1.captures.toSeq == @["foo", nil])
check(ex1.captureBounds.toSeq == @[Some(0..3), None[Slice[int]]()])
check(ex1.captures.toSeq("") == @["foo", ""])
let ex2 = "foobar".match(initRegex("(?<foo>foo)(?<bar>bar)?"))
let ex2 = "foobar".find(initRegex("(?<foo>foo)(?<bar>bar)?"))
check(ex2.captures.toSeq == @["foo", "bar"])