diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/text_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/text_helper.rb | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/actionpack/lib/action_view/helpers/text_helper.rb b/actionpack/lib/action_view/helpers/text_helper.rb index 573b99b96e..ad0733a7e1 100644 --- a/actionpack/lib/action_view/helpers/text_helper.rb +++ b/actionpack/lib/action_view/helpers/text_helper.rb @@ -34,12 +34,16 @@ module ActionView # Truncates a given +text+ after a given <tt>:length</tt> if +text+ is longer than <tt>:length</tt> # (defaults to 30). The last characters will be replaced with the <tt>:omission</tt> (defaults to "..."). + # Pass a <tt>:separator</tt> to truncate +text+ at a natural break. # # ==== Examples # # truncate("Once upon a time in a world far far away") # # => Once upon a time in a world f... # + # truncate("Once upon a time in a world far far away", :separator => ' ') + # # => Once upon a time in a world... + # # truncate("Once upon a time in a world far far away", :length => 14) # # => Once upon a... # @@ -71,7 +75,8 @@ module ActionView if text l = options[:length] - options[:omission].mb_chars.length chars = text.mb_chars - (chars.length > options[:length] ? chars[0...l] + options[:omission] : text).to_s + stop = options[:separator] ? (chars.rindex(options[:separator].mb_chars, l) || l) : l + (chars.length > options[:length] ? chars[0...stop] + options[:omission] : text).to_s end end @@ -535,7 +540,7 @@ module ActionView link_attributes = html_options.stringify_keys text.gsub(AUTO_LINK_RE) do href = $& - punctuation = '' + punctuation = [] left, right = $`, $' # detect already linked URLs and URLs in the middle of a tag if left =~ /<[^>]+$/ && right =~ /^[^>]*>/ @@ -543,17 +548,18 @@ module ActionView href else # don't include trailing punctuation character as part of the URL - if href.sub!(/[^\w\/-]$/, '') and punctuation = $& and opening = BRACKETS[punctuation] - if href.scan(opening).size > href.scan(punctuation).size - href << punctuation - punctuation = '' + while href.sub!(/[^\w\/-]$/, '') + punctuation.push $& + if opening = BRACKETS[punctuation.last] and href.scan(opening).size > href.scan(punctuation.last).size + href << punctuation.pop + break end end link_text = block_given?? yield(href) : href href = 'http://' + href unless href.index('http') == 0 - content_tag(:a, h(link_text), link_attributes.merge('href' => href)) + punctuation + content_tag(:a, h(link_text), link_attributes.merge('href' => href)) + punctuation.reverse.join('') end end end |