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-rw-r--r--actionview/CHANGELOG.md9
-rw-r--r--actionview/lib/action_view/helpers/debug_helper.rb12
-rw-r--r--actionview/lib/action_view/helpers/text_helper.rb31
-rw-r--r--actionview/test/template/debug_helper_test.rb2
-rw-r--r--actionview/test/template/text_helper_test.rb17
5 files changed, 57 insertions, 14 deletions
diff --git a/actionview/CHANGELOG.md b/actionview/CHANGELOG.md
index d825d3b627..03ac155848 100644
--- a/actionview/CHANGELOG.md
+++ b/actionview/CHANGELOG.md
@@ -1,3 +1,12 @@
+* The `highlight` helper now accepts a block to be used instead of the `highlighter`
+ option.
+
+ *Lucas Mazza*
+
+* The `except` and `highlight` helpers now accept regular expressions.
+
+ *Jan Szumiec*
+
* Flatten the array parameter in `safe_join`, so it behaves consistently with
`Array#join`.
diff --git a/actionview/lib/action_view/helpers/debug_helper.rb b/actionview/lib/action_view/helpers/debug_helper.rb
index 16cddec339..ba47eee9ba 100644
--- a/actionview/lib/action_view/helpers/debug_helper.rb
+++ b/actionview/lib/action_view/helpers/debug_helper.rb
@@ -16,15 +16,15 @@ module ActionView
# # =>
# <pre class='debug_dump'>--- !ruby/object:User
# attributes:
- # &nbsp; updated_at:
- # &nbsp; username: testing
- # &nbsp; age: 42
- # &nbsp; password: xyz
- # &nbsp; created_at:
+ # updated_at:
+ # username: testing
+ # age: 42
+ # password: xyz
+ # created_at:
# </pre>
def debug(object)
Marshal::dump(object)
- object = ERB::Util.html_escape(object.to_yaml).gsub(" ", "&nbsp; ").html_safe
+ object = ERB::Util.html_escape(object.to_yaml)
content_tag(:pre, object, :class => "debug_dump")
rescue Exception # errors from Marshal or YAML
# Object couldn't be dumped, perhaps because of singleton methods -- this is the fallback
diff --git a/actionview/lib/action_view/helpers/text_helper.rb b/actionview/lib/action_view/helpers/text_helper.rb
index 7cfbca5b6f..cf5c1b0e81 100644
--- a/actionview/lib/action_view/helpers/text_helper.rb
+++ b/actionview/lib/action_view/helpers/text_helper.rb
@@ -103,11 +103,14 @@ module ActionView
# Highlights one or more +phrases+ everywhere in +text+ by inserting it into
# a <tt>:highlighter</tt> string. The highlighter can be specialized by passing <tt>:highlighter</tt>
# as a single-quoted string with <tt>\1</tt> where the phrase is to be inserted (defaults to
- # '<mark>\1</mark>')
+ # '<mark>\1</mark>') or passing a block that receives each matched term.
#
# highlight('You searched for: rails', 'rails')
# # => You searched for: <mark>rails</mark>
#
+ # highlight('You searched for: rails', /for|rails/)
+ # # => You searched <mark>for</mark>: <mark>rails</mark>
+ #
# highlight('You searched for: ruby, rails, dhh', 'actionpack')
# # => You searched for: ruby, rails, dhh
#
@@ -116,15 +119,25 @@ module ActionView
#
# highlight('You searched for: rails', 'rails', highlighter: '<a href="search?q=\1">\1</a>')
# # => You searched for: <a href="search?q=rails">rails</a>
+ #
+ # highlight('You searched for: rails', 'rails') { |match| link_to(search_path(q: match, match)) }
+ # # => You searched for: <a href="search?q=rails">rails</a>
def highlight(text, phrases, options = {})
text = sanitize(text) if options.fetch(:sanitize, true)
if text.blank? || phrases.blank?
text
else
- highlighter = options.fetch(:highlighter, '<mark>\1</mark>')
- match = Array(phrases).map { |p| Regexp.escape(p) }.join('|')
- text.gsub(/(#{match})(?![^<]*?>)/i, highlighter)
+ match = Array(phrases).map do |p|
+ Regexp === p ? p.to_s : Regexp.escape(p)
+ end.join('|')
+
+ if block_given?
+ text.gsub(/(#{match})(?![^<]*?>)/i) { |found| yield found }
+ else
+ highlighter = options.fetch(:highlighter, '<mark>\1</mark>')
+ text.gsub(/(#{match})(?![^<]*?>)/i, highlighter)
+ end
end.html_safe
end
@@ -155,9 +168,13 @@ module ActionView
def excerpt(text, phrase, options = {})
return unless text && phrase
- separator = options[:separator] || ''
- phrase = Regexp.escape(phrase)
- regex = /#{phrase}/i
+ separator = options.fetch(:separator, nil) || ""
+ case phrase
+ when Regexp
+ regex = phrase
+ else
+ regex = /#{Regexp.escape(phrase)}/i
+ end
return unless matches = text.match(regex)
phrase = matches[0]
diff --git a/actionview/test/template/debug_helper_test.rb b/actionview/test/template/debug_helper_test.rb
index 42d06bd9ff..5609694cd5 100644
--- a/actionview/test/template/debug_helper_test.rb
+++ b/actionview/test/template/debug_helper_test.rb
@@ -3,6 +3,6 @@ require 'active_record_unit'
class DebugHelperTest < ActionView::TestCase
def test_debug
company = Company.new(name: "firebase")
- assert_match "&nbsp; name: firebase", debug(company)
+ assert_match "name: firebase", debug(company)
end
end
diff --git a/actionview/test/template/text_helper_test.rb b/actionview/test/template/text_helper_test.rb
index a514bba83d..858232a2b9 100644
--- a/actionview/test/template/text_helper_test.rb
+++ b/actionview/test/template/text_helper_test.rb
@@ -222,6 +222,11 @@ class TextHelperTest < ActionView::TestCase
)
end
+ def test_highlight_accepts_regexp
+ assert_equal("This day was challenging for judge <mark>Allen</mark> and his colleagues.",
+ highlight("This day was challenging for judge Allen and his colleagues.", /\ballen\b/i))
+ end
+
def test_highlight_with_multiple_phrases_in_one_pass
assert_equal %(<em>wow</em> <em>em</em>), highlight('wow em', %w(wow em), :highlighter => '<em>\1</em>')
end
@@ -260,6 +265,13 @@ class TextHelperTest < ActionView::TestCase
assert_equal options, passed_options
end
+ def test_highlight_with_block
+ assert_equal(
+ "<b>one</b> <b>two</b> <b>three</b>",
+ highlight("one two three", ["one", "two", "three"]) { |word| "<b>#{word}</b>" }
+ )
+ end
+
def test_excerpt
assert_equal("...is a beautiful morn...", excerpt("This is a beautiful morning", "beautiful", :radius => 5))
assert_equal("This is a...", excerpt("This is a beautiful morning", "this", :radius => 5))
@@ -267,6 +279,11 @@ class TextHelperTest < ActionView::TestCase
assert_nil excerpt("This is a beautiful morning", "day")
end
+ def test_excerpt_with_regex
+ assert_equal("...udge Allen and...", excerpt("This day was challenging for judge Allen and his colleagues.", /\ballen\b/i, :radius => 5))
+ assert_equal("...judge Allen and...", excerpt("This day was challenging for judge Allen and his colleagues.", /\ballen\b/i, :radius => 1, :separator => ' '))
+ end
+
def test_excerpt_should_not_be_html_safe
assert !excerpt('This is a beautiful! morning', 'beautiful', :radius => 5).html_safe?
end