From 11edea38804e2a7021c27e9d905bb001f3fce156 Mon Sep 17 00:00:00 2001 From: Tomoyuki Sahara Date: Fri, 8 Mar 2013 09:45:04 +0900 Subject: add "strip" family to String. --- mrbgems/mruby-string-ext/mrblib/string.rb | 38 +++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 mrbgems/mruby-string-ext/mrblib/string.rb (limited to 'mrbgems/mruby-string-ext/mrblib/string.rb') diff --git a/mrbgems/mruby-string-ext/mrblib/string.rb b/mrbgems/mruby-string-ext/mrblib/string.rb new file mode 100644 index 000000000..142a63882 --- /dev/null +++ b/mrbgems/mruby-string-ext/mrblib/string.rb @@ -0,0 +1,38 @@ +class String + def lstrip + a = 0 + z = self.size - 1 + a += 1 while " \f\n\r\t\v".include?(self[a]) and a <= z + (z >= 0) ? self[a..z] : "" + end + + def rstrip + a = 0 + z = self.size - 1 + z -= 1 while " \f\n\r\t\v\0".include?(self[z]) and a <= z + (z >= 0) ? self[a..z] : "" + end + + def strip + a = 0 + z = self.size - 1 + a += 1 while " \f\n\r\t\v".include?(self[a]) and a <= z + z -= 1 while " \f\n\r\t\v\0".include?(self[z]) and a <= z + (z >= 0) ? self[a..z] : "" + end + + def lstrip! + s = self.lstrip + (s == self) ? nil : self.replace(s) + end + + def rstrip! + s = self.rstrip + (s == self) ? nil : self.replace(s) + end + + def strip! + s = self.strip + (s == self) ? nil : self.replace(s) + end +end -- cgit v1.2.3