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https://github.com/nim-lang/Nim.git
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c8786ad197
* strscans: fix typo
* strscans: fix #9240
* strscans: add tests
(cherry picked from commit 95a60dc780)
87 lines
2.0 KiB
Nim
87 lines
2.0 KiB
Nim
discard """
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output: ""
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"""
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import strscans
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block ParsePasswd:
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proc parsePasswd(content: string): seq[string] =
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result = @[]
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var idx = 0
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while true:
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var entry = ""
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if scanp(content, idx, +(~{'\L', '\0'} -> entry.add($_)), '\L'):
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result.add entry
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else:
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break
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const etc_passwd = """root:x:0:0:root:/root:/bin/bash
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daemon:x:1:1:daemon:/usr/sbin:/bin/sh
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bin:x:2:2:bin:/bin:/bin/sh
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sys:x:3:3:sys:/dev:/bin/sh
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nobody:x:65534:65534:nobody:/nonexistent:/bin/sh
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messagebus:x:103:107::/var/run/dbus:/bin/false
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"""
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const parsed_etc_passwd = @[
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"root:x:0:0:root:/root:/bin/bash",
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"daemon:x:1:1:daemon:/usr/sbin:/bin/sh",
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"bin:x:2:2:bin:/bin:/bin/sh",
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"sys:x:3:3:sys:/dev:/bin/sh",
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"nobody:x:65534:65534:nobody:/nonexistent:/bin/sh",
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"messagebus:x:103:107::/var/run/dbus:/bin/false",
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]
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doAssert etc_passwd.parsePasswd == parsed_etc_passwd
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block LastNot:
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var idx : int
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idx = 0
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doAssert scanp("foo", idx, 'f', 'o', ~'a')
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idx = 0
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doAssert scanp("foo", idx, 'f', 'o', ~'o') == false
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idx = 0
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doAssert scanp("foox", idx, 'f', 'o', ~'o') == false
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idx = 0
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doAssert scanp("foox", idx, 'f', 'o', ~'a')
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block LastOptional:
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var idx = 0
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doAssert scanp("foo", idx, 'f', 'o', 'o', ?'o')
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block Tuple:
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var idx = 0
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doAssert scanp("foo", idx, ('f', 'o', 'o'))
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block NotWithOptional:
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var idx : int
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idx = 0
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doAssert scanp("bc", idx, ~(?'b', 'c')) == false
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idx = 0
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doAssert scanp("c", idx, ~(?'b', 'c')) == false
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idx = 0
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doAssert scanp("b", idx, ~(?'b', 'c'))
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block NotEmpty:
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var idx = 0
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doAssert scanp("", idx, ~()) == false
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block EmptyTuple:
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var idx = 0
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doAssert scanp("ab", idx, 'a', (), 'b')
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block Arrow:
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let text = "foo;bar;baz;"
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var idx = 0
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var res = ""
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doAssert scanp(text, idx, +(~{';','\0'} -> (discard $_)), ';')
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doAssert scanp(text, idx, +(~{';','\0'} -> (discard $_)), ';')
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doAssert scanp(text, idx, +(~{';','\0'} -> (discard $_)), ';')
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doAssert scanp(text, idx, +(~{';','\0'} -> (discard $_)), ';') == false
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