diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/text_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/text_helper.rb | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/actionpack/lib/action_view/helpers/text_helper.rb b/actionpack/lib/action_view/helpers/text_helper.rb index 94348cf9fa..7c877a0f57 100644 --- a/actionpack/lib/action_view/helpers/text_helper.rb +++ b/actionpack/lib/action_view/helpers/text_helper.rb @@ -134,6 +134,8 @@ module ActionView # excerpt('This is an example', 'an', 5) # => ...s is an exam... # excerpt('This is also an example', 'an', 8, '<chop> ') # => <chop> is also an example def excerpt(text, phrase, *args) + return unless text && phrase + options = args.extract_options! unless args.empty? options[:radius] = args[0] || 100 @@ -141,21 +143,16 @@ module ActionView end options.reverse_merge!(:radius => 100, :omission => "...") - if text && phrase - phrase = Regexp.escape(phrase) + phrase = Regexp.escape(phrase) + return unless found_pos = text.mb_chars =~ /(#{phrase})/i - if found_pos = text.mb_chars =~ /(#{phrase})/i - start_pos = [ found_pos - options[:radius], 0 ].max - end_pos = [ [ found_pos + phrase.mb_chars.length + options[:radius] - 1, 0].max, text.mb_chars.length ].min + start_pos = [ found_pos - options[:radius], 0 ].max + end_pos = [ [ found_pos + phrase.mb_chars.length + options[:radius] - 1, 0].max, text.mb_chars.length ].min - prefix = start_pos > 0 ? options[:omission] : "" - postfix = end_pos < text.mb_chars.length - 1 ? options[:omission] : "" + prefix = start_pos > 0 ? options[:omission] : "" + postfix = end_pos < text.mb_chars.length - 1 ? options[:omission] : "" - prefix + text.mb_chars[start_pos..end_pos].strip + postfix - else - nil - end - end + prefix + text.mb_chars[start_pos..end_pos].strip + postfix end # Attempts to pluralize the +singular+ word unless +count+ is 1. If @@ -345,10 +342,10 @@ module ActionView values.unshift(first_value) cycle = get_cycle(name) - if (cycle.nil? || cycle.values != values) + unless cycle && cycle.values == values cycle = set_cycle(name, Cycle.new(*values)) end - return cycle.to_s + cycle.to_s end # Returns the current cycle string after a cycle has been started. Useful @@ -389,7 +386,7 @@ module ActionView # </table> def reset_cycle(name = "default") cycle = get_cycle(name) - cycle.reset unless cycle.nil? + cycle.reset if cycle end class Cycle #:nodoc: |