diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/text_helper.rb')
-rw-r--r-- | actionpack/lib/action_view/helpers/text_helper.rb | 47 |
1 files changed, 24 insertions, 23 deletions
diff --git a/actionpack/lib/action_view/helpers/text_helper.rb b/actionpack/lib/action_view/helpers/text_helper.rb index 698f4434ba..67117077dc 100644 --- a/actionpack/lib/action_view/helpers/text_helper.rb +++ b/actionpack/lib/action_view/helpers/text_helper.rb @@ -37,7 +37,6 @@ module ActionView # do not operate as expected in an eRuby code block. If you absolutely must # output text within a non-output code block (i.e., <% %>), you can use the concat method. # - # ==== Examples # <% # concat "hello" # # is the equivalent of <%= "hello" %> @@ -67,8 +66,6 @@ module ActionView # used in views, unless wrapped by <tt>raw()</tt>. Care should be taken if +text+ contains HTML tags # or entities, because truncation may produce invalid HTML (such as unbalanced or incomplete tags). # - # ==== Examples - # # truncate("Once upon a time in a world far far away") # # => "Once upon a time in a world..." # @@ -93,7 +90,6 @@ module ActionView # as a single-quoted string with <tt>\1</tt> where the phrase is to be inserted (defaults to # '<mark>\1</mark>') # - # ==== Examples # highlight('You searched for: rails', 'rails') # # => You searched for: <mark>rails</mark> # @@ -133,7 +129,6 @@ module ActionView # then the <tt>:omission</tt> option (which defaults to "...") will be prepended/appended accordingly. The resulting string # will be stripped in any case. If the +phrase+ isn't found, nil is returned. # - # ==== Examples # excerpt('This is an example', 'an', :radius => 5) # # => ...s is an exam... # @@ -181,7 +176,6 @@ module ActionView # +plural+ is supplied, it will use that when count is > 1, otherwise # it will use the Inflector to determine the plural form # - # ==== Examples # pluralize(1, 'person') # # => 1 person # @@ -201,23 +195,23 @@ module ActionView # breaks on the first whitespace character that does not exceed +line_width+ # (which is 80 by default). # - # ==== Examples - # # word_wrap('Once upon a time') # # => Once upon a time # # word_wrap('Once upon a time, in a kingdom called Far Far Away, a king fell ill, and finding a successor to the throne turned out to be more trouble than anyone could have imagined...') - # # => Once upon a time, in a kingdom called Far Far Away, a king fell ill, and finding\n a successor to the throne turned out to be more trouble than anyone could have\n imagined... + # # => Once upon a time, in a kingdom called Far Far Away, a king fell ill, and finding\na successor to the throne turned out to be more trouble than anyone could have\nimagined... # # word_wrap('Once upon a time', :line_width => 8) - # # => Once upon\na time + # # => Once\nupon a\ntime # # word_wrap('Once upon a time', :line_width => 1) # # => Once\nupon\na\ntime # # You can still use <tt>word_wrap</tt> with the old API that accepts the # +line_width+ as its optional second parameter: - # word_wrap('Once upon a time', 8) # => Once upon\na time + # + # word_wrap('Once upon a time', 8) + # # => Once\nupon a\ntime def word_wrap(text, *args) options = args.extract_options! unless args.blank? @@ -241,6 +235,7 @@ module ActionView # # ==== Options # * <tt>:sanitize</tt> - If +false+, does not sanitize +text+. + # * <tt>:wrapper_tag</tt> - String representing the tag wrapper, defaults to <tt>"p"</tt> # # ==== Examples # my_text = "Here is some basic text...\n...with a line break." @@ -259,16 +254,17 @@ module ActionView # simple_format("<span>I'm allowed!</span> It's true.", {}, :sanitize => false) # # => "<p><span>I'm allowed!</span> It's true.</p>" def simple_format(text, html_options={}, options={}) - text = '' if text.nil? - text = text.dup - start_tag = tag('p', html_options, true) text = sanitize(text) unless options[:sanitize] == false - text = text.to_str - text.gsub!(/\r\n?/, "\n") # \r\n and \r -> \n - text.gsub!(/\n\n+/, "</p>\n\n#{start_tag}") # 2+ newline -> paragraph - text.gsub!(/([^\n]\n)(?=[^\n])/, '\1<br />') # 1 newline -> br - text.insert 0, start_tag - text.html_safe.safe_concat("</p>") + wrapper_tag = options.fetch(:wrapper_tag, :p) + paragraphs = split_paragraphs(text) + + if paragraphs.empty? + content_tag(wrapper_tag, nil, html_options) + else + paragraphs.map { |paragraph| + content_tag(wrapper_tag, paragraph, html_options, options[:sanitize]) + }.join("\n\n").html_safe + end end # Creates a Cycle object whose _to_s_ method cycles through elements of an @@ -280,7 +276,6 @@ module ActionView # and passing the name of the cycle. The current cycle string can be obtained # anytime using the current_cycle method. # - # ==== Examples # # Alternate CSS classes for even and odd numbers... # @items = [1,2,3,4] # <table> @@ -326,7 +321,6 @@ module ActionView # for complex table highlighting or any other design need which requires # the current cycle string in more than one place. # - # ==== Example # # Alternate background colors # @items = [1,2,3,4] # <% @items.each do |item| %> @@ -342,7 +336,6 @@ module ActionView # Resets a cycle so that it starts from the first element the next time # it is called. Pass in +name+ to reset a named cycle. # - # ==== Example # # Alternate CSS classes for even and odd numbers... # @items = [[1,2,3,4], [5,6,3], [3,4,5,6,7,4]] # <table> @@ -413,6 +406,14 @@ module ActionView @_cycles = Hash.new unless defined?(@_cycles) @_cycles[name] = cycle_object end + + def split_paragraphs(text) + return [] if text.blank? + + text.to_str.gsub(/\r\n?/, "\n").split(/\n\n+/).map! do |t| + t.gsub!(/([^\n]\n)(?=[^\n])/, '\1<br />') || t + end + end end end end |