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exported strutils.abbrev

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Araq 2012-02-24 19:19:13 +01:00
commit f0172b0a5f
4 changed files with 17 additions and 18 deletions
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25
lib/pure/strutils.nim
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@ -542,19 +542,18 @@ proc allCharsInSet*(s: string, theSet: TCharSet): bool =
if c notin theSet: return false
return true
# 012345
# 345
when false:
proc abbrev(s: string, possibilities: openarray[string]): int =
## returns the index of the first item in `possibilities` if not
## ambiguous; -1 if no item has been found; -2 if multiple items
## match.
result = -1 # none found
for i in 0..possibilities.len-1:
if possibilities[i].startsWith(s):
if result >= 0: return -2 # ambiguous
result = i
proc abbrev*(s: string, possibilities: openarray[string]): int =
## returns the index of the first item in `possibilities` if not
## ambiguous; -1 if no item has been found; -2 if multiple items
## match.
result = -1 # none found
for i in 0..possibilities.len-1:
if possibilities[i].startsWith(s):
if possibilities[i] == s:
# special case: exact match shouldn't be ambiguous
return i
if result >= 0: return -2 # ambiguous
result = i
# ---------------------------------------------------------------------------