diff options
Diffstat (limited to 'mrbgems/mruby-string-ext/mrblib/string.rb')
| -rw-r--r-- | mrbgems/mruby-string-ext/mrblib/string.rb | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/mrbgems/mruby-string-ext/mrblib/string.rb b/mrbgems/mruby-string-ext/mrblib/string.rb index 610a462a7..8895b7ad3 100644 --- a/mrbgems/mruby-string-ext/mrblib/string.rb +++ b/mrbgems/mruby-string-ext/mrblib/string.rb @@ -263,6 +263,44 @@ class String self end + ## + # call-seq: + # str.ljust(integer, padstr=' ') -> new_str + # + # If <i>integer</i> is greater than the length of <i>str</i>, returns a new + # <code>String</code> of length <i>integer</i> with <i>str</i> left justified + # and padded with <i>padstr</i>; otherwise, returns <i>str</i>. + # + # "hello".ljust(4) #=> "hello" + # "hello".ljust(20) #=> "hello " + # "hello".ljust(20, '1234') #=> "hello123412341234123" + def ljust(idx, padstr = ' ') + raise ArgumentError, 'zero width padding' if padstr == '' + return self if idx <= self.size + pad_repetitions = (idx / padstr.length).ceil + padding = (padstr * pad_repetitions)[0...(idx - self.length)] + self + padding + end + + ## + # call-seq: + # str.rjust(integer, padstr=' ') -> new_str + # + # If <i>integer</i> is greater than the length of <i>str</i>, returns a new + # <code>String</code> of length <i>integer</i> with <i>str</i> right justified + # and padded with <i>padstr</i>; otherwise, returns <i>str</i>. + # + # "hello".rjust(4) #=> "hello" + # "hello".rjust(20) #=> " hello" + # "hello".rjust(20, '1234') #=> "123412341234123hello" + def rjust(idx, padstr = ' ') + raise ArgumentError, 'zero width padding' if padstr == '' + return self if idx <= self.size + pad_repetitions = (idx / padstr.length).ceil + padding = (padstr * pad_repetitions)[0...(idx - self.length)] + padding + self + end + # str.upto(other_str, exclusive=false) {|s| block } -> str # str.upto(other_str, exclusive=false) -> an_enumerator # |