diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/string/filters.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/string/filters.rb | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/activesupport/lib/active_support/core_ext/string/filters.rb b/activesupport/lib/active_support/core_ext/string/filters.rb index 1a34e88a87..9ef410c38b 100644 --- a/activesupport/lib/active_support/core_ext/string/filters.rb +++ b/activesupport/lib/active_support/core_ext/string/filters.rb @@ -22,26 +22,30 @@ class String # Truncates a given +text+ after a given <tt>length</tt> if +text+ is longer than <tt>length</tt>: # - # "Once upon a time in a world far far away".truncate(27) + # 'Once upon a time in a world far far away'.truncate(27) # # => "Once upon a time in a wo..." # # Pass a <tt>:separator</tt> to truncate +text+ at a natural break: # - # "Once upon a time in a world far far away".truncate(27, :separator => ' ') + # 'Once upon a time in a world far far away'.truncate(27, :separator => ' ') # # => "Once upon a time in a..." # # The last characters will be replaced with the <tt>:omission</tt> string (defaults to "...") # for a total length not exceeding <tt>:length</tt>: # - # "And they found that many people were sleeping better.".truncate(25, :omission => "... (continued)") + # 'And they found that many people were sleeping better.'.truncate(25, :omission => '... (continued)') # # => "And they f... (continued)" - def truncate(length, options = {}) - return self.dup unless self.length > length + def truncate(truncate_at, options = {}) + return dup unless length > truncate_at - options[:omission] ||= "..." - length_with_room_for_omission = length - options[:omission].length - stop = options[:separator] ? - (rindex(options[:separator], length_with_room_for_omission) || length_with_room_for_omission) : length_with_room_for_omission + options[:omission] ||= '...' + length_with_room_for_omission = truncate_at - options[:omission].length + stop = \ + if options[:separator] + rindex(options[:separator], length_with_room_for_omission) || length_with_room_for_omission + else + length_with_room_for_omission + end self[0...stop] + options[:omission] end |