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Implement strutils.indent

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This commit is contained in:
Dominik Picheta 2015-09-11 14:35:25 +01:00
commit 808253370b
1 changed files with 18 additions and 0 deletions
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18
lib/pure/strutils.nim
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@ -630,6 +630,22 @@ proc wordWrap*(s: string, maxLineWidth = 80,
result.add(lastSep & word) result.add(lastSep & word)
lastSep.setLen(0) lastSep.setLen(0)
proc indent*(s: string, count: Natural, padding: string = " "): string
{.noSideEffect, rtl, extern: "nsuIndent".} =
## Indents each line in ``s`` by ``count`` amount of ``padding``.
##
## **Note:** This currently does not preserve the specific new line characters
## used.
result = ""
var i = 0
for line in s.splitLines():
if i != 0:
result.add("\n")
for j in 1..count:
result.add(padding)
result.add(line)
i.inc
proc unindent*(s: string, eatAllIndent = false): string {. proc unindent*(s: string, eatAllIndent = false): string {.
noSideEffect, rtl, extern: "nsuUnindent".} = noSideEffect, rtl, extern: "nsuUnindent".} =
## Unindents `s`. ## Unindents `s`.
@ -1502,3 +1518,5 @@ when isMainModule:
chars = {'s', 't', 'r', 'i', 'p', 'm', 'e'}) == " but don't strip this " chars = {'s', 't', 'r', 'i', 'p', 'm', 'e'}) == " but don't strip this "
doAssert strip("sfoofoofoos", leading = false, chars = {'s'}) == "sfoofoofoo" doAssert strip("sfoofoofoos", leading = false, chars = {'s'}) == "sfoofoofoo"
doAssert strip("sfoofoofoos", trailing = false, chars = {'s'}) == "foofoofoos" doAssert strip("sfoofoofoos", trailing = false, chars = {'s'}) == "foofoofoos"
doAssert " foo\n bar".indent(4, "Q") == "QQQQ foo\nQQQQ bar"