Class HTML5::Filters::WhitespaceFilter
In: lib/feed_tools/vendor/html5/lib/html5/filters/whitespace.rb
Parent: Base
Phase XmlElementPhase InTablePhase RootElementPhase InHeadPhase AfterHeadPhase AfterFramesetPhase XmlRootPhase InTableBodyPhase InFramesetPhase InColumnGroupPhase InitialPhase InCaptionPhase TrailingEndPhase InSelectPhase BeforeHeadPhase AfterBodyPhase InCellPhase InBodyPhase InRowPhase XhmlRootPhase Exception SerializeError EOF AssertionError ParseError HTMLSanitizer HTMLTokenizer XMLParser XHTMLParser HTMLParser String EncodingBytes HTMLSerializer XHTMLSerializer TreeWalkers::Base NonRecursiveTreeWalker TreeWalker TreeWalker Base TreeWalker Element DocumentFragment Node CommentNode DocumentType TextNode Document Base::Node Node Node Base::TreeBuilder TreeBuilder TreeBuilder TreeBuilder Element DocumentFragment CommentNode DocumentType TextNode Document Element DocumentFragment CommentNode DocumentType TextNode Document Base InjectMetaCharset OptionalTagFilter WhitespaceFilter HTMLSanitizeFilter HTMLSanitizeModule Enumerable TestData SimpleDelegator HTMLInputStream EncodingParser ContentAttrParser Node TreeBuilder lib/feed_tools/vendor/html5/lib/html5/html5parser/trailing_end_phase.rb lib/feed_tools/vendor/html5/lib/html5/constants.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/after_frameset_phase.rb lib/feed_tools/vendor/html5/lib/html5/liberalxmlparser.rb lib/feed_tools/vendor/html5/lib/html5/serializer/xhtmlserializer.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/in_caption_phase.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/initial_phase.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/in_frameset_phase.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/in_table_body_phase.rb lib/feed_tools/vendor/html5/lib/html5/serializer/htmlserializer.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/root_element_phase.rb lib/feed_tools/vendor/html5/lib/html5/tokenizer.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/before_head_phase.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/in_select_phase.rb lib/feed_tools/vendor/html5/lib/html5/inputstream.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/in_table_phase.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/in_row_phase.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/in_cell_phase.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/phase.rb lib/feed_tools/vendor/html5/lib/html5/html5parser.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/in_body_phase.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/in_head_phase.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/after_body_phase.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/after_head_phase.rb lib/feed_tools/vendor/html5/lib/html5/sanitizer.rb lib/feed_tools/vendor/html5/lib/html5/html5parser/in_column_group_phase.rb lib/feed_tools/vendor/html5/lib/html5/treewalkers/base.rb lib/feed_tools/vendor/html5/lib/html5/treewalkers/hpricot.rb Hpricot TokenConstructor lib/feed_tools/vendor/html5/lib/html5/treewalkers/rexml.rb REXML lib/feed_tools/vendor/html5/lib/html5/treewalkers/simpletree.rb SimpleTree TreeWalkers HTMLSanitizeModule lib/feed_tools/vendor/html5/lib/html5/treebuilders/hpricot.rb Hpricot lib/feed_tools/vendor/html5/lib/html5/treebuilders/base.rb Base lib/feed_tools/vendor/html5/lib/html5/treebuilders/rexml.rb REXML lib/feed_tools/vendor/html5/lib/html5/treebuilders/simpletree.rb SimpleTree TreeBuilders lib/feed_tools/vendor/html5/lib/html5/filters/whitespace.rb lib/feed_tools/vendor/html5/lib/html5/filters/optionaltags.rb lib/feed_tools/vendor/html5/lib/html5/filters/base.rb lib/feed_tools/vendor/html5/lib/html5/filters/inject_meta_charset.rb lib/feed_tools/vendor/html5/lib/html5/filters/sanitizer.rb Filters Sniffer lib/feed_tools/vendor/html5/tests/preamble.rb TestSupport HTML5 dot/m_75_0.png

Methods

each  

Constants

SPACE_PRESERVE_ELEMENTS = %w[pre textarea] + RCDATA_ELEMENTS
SPACES = /[#{SPACE_CHARACTERS.join('')}]+/m

Public Instance methods

[Source]

    # File lib/feed_tools/vendor/html5/lib/html5/filters/whitespace.rb, line 11
11:       def each
12:         preserve = 0
13:         __getobj__.each do |token|
14:           case token[:type]
15:           when :StartTag
16:             if preserve > 0 or SPACE_PRESERVE_ELEMENTS.include?(token[:name])
17:               preserve += 1
18:             end
19: 
20:           when :EndTag
21:             preserve -= 1 if preserve > 0
22: 
23:           when :SpaceCharacters
24:             token[:data] = " " if preserve == 0 && token[:data]
25: 
26:           when :Characters
27:             token[:data] = token[:data].sub(SPACES,' ') if preserve == 0
28:           end
29: 
30:           yield token
31:         end
32:       end

[Validate]