diff options
Diffstat (limited to 'lib/pure/parseutils.nim')
| -rw-r--r-- | lib/pure/parseutils.nim | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/pure/parseutils.nim b/lib/pure/parseutils.nim index ffa234edd..fb7d72182 100644 --- a/lib/pure/parseutils.nim +++ b/lib/pure/parseutils.nim @@ -173,6 +173,22 @@ proc parseUntil*(s: string, token: var string, until: char, result = i-start token = substr(s, start, i-1) +proc parseUntil*(s: string, token: var string, until: string, + start = 0): int {.inline.} = + ## parses a token and stores it in ``token``. Returns + ## the number of the parsed characters or 0 in case of an error. A token + ## consists of any character that comes before the `until` token. + var i = start + while i < s.len: + if s[i] == until[0]: + var u = 1 + while i+u < s.len and u < until.len and s[i+u] == until[u]: + inc u + if u >= until.len: break + inc(i) + result = i-start + token = substr(s, start, i-1) + proc parseWhile*(s: string, token: var string, validChars: set[char], start = 0): int {.inline.} = ## parses a token and stores it in ``token``. Returns |