From 4f08946f64f04ef85a53c686fb89b8d84fbc6d65 Mon Sep 17 00:00:00 2001 From: dom96 Date: Mon, 19 Dec 2011 21:09:17 +0000 Subject: fixes #77 --- lib/pure/strutils.nim | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/lib/pure/strutils.nim b/lib/pure/strutils.nim index 33bb5b5f0..46dcb3849 100755 --- a/lib/pure/strutils.nim +++ b/lib/pure/strutils.nim @@ -467,6 +467,16 @@ proc ParseHexInt*(s: string): int {.noSideEffect, procvar, inc(i) of '\0': break else: raise newException(EInvalidValue, "invalid integer: " & s) + +proc parseBool*(s: string): bool = + ## Parses a value into a `bool`. If ``s`` is one of the following values: + ## ``y, yes, true, 1, on``, then returns `true`. If ``s`` is one of the + ## following values: ``n, no, false, 0, off``, then returns `false`. + ## If ``s`` is something else a ``EInvalidValue`` exception is raised. + case normalize(s) + of "y", "yes", "true", "1", "on": result = true + of "n", "no", "false", "0", "off": result = false + else: raise newException(EInvalidValue, "cannot interpret as a bool: " & s) proc repeatChar*(count: int, c: Char = ' '): string {.noSideEffect, rtl, extern: "nsuRepeatChar".} = -- cgit 1.4.1-2-gfad0