Module: Newstile::Utils::HTML
- Included in:
- Converter::Html, Converter::Markdown, Converter::Newstile
- Defined in:
- lib/newstile/utils/html.rb
Constant Summary collapse
- ESCAPE_MAP =
{ '<' => '<', '>' => '>', '&' => '&', '"' => '"' }
- ESCAPE_ALL_RE =
/<|>|&/
- ESCAPE_TEXT_RE =
Regexp.union(REXML::Parsers::BaseParser::REFERENCE_RE, /<|>|&/)
- ESCAPE_ATTRIBUTE_RE =
Regexp.union(REXML::Parsers::BaseParser::REFERENCE_RE, /<|>|&|"/)
- ESCAPE_RE_FROM_TYPE =
{ :all => ESCAPE_ALL_RE, :text => ESCAPE_TEXT_RE, :attribute => ESCAPE_ATTRIBUTE_RE }
Instance Method Summary collapse
-
#entity_to_str(e, original = nil) ⇒ Object
Convert the
entity
to a string. -
#escape_html(str, type = :all) ⇒ Object
Escape the special HTML characters in the string
str
. -
#html_attributes(el) ⇒ Object
Return the string with the attributes of the element
el
.
Instance Method Details
#entity_to_str(e, original = nil) ⇒ Object
Convert the entity
to a string.
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# File 'lib/newstile/utils/html.rb', line 30 def entity_to_str(e, original = nil) if RUBY_VERSION >= '1.9' && @doc.[:entity_output] == :as_char && (c = e.char.encode(@doc.parse_infos[:encoding]) rescue nil) && !ESCAPE_MAP.has_key?(c) c elsif (@doc.[:entity_output] == :as_input || @doc.[:entity_output] == :as_char) && original original elsif @doc.[:entity_output] == :numeric || e.name.nil? "&##{e.code_point};" else "&#{e.name};" end end |
#escape_html(str, type = :all) ⇒ Object
Escape the special HTML characters in the string str
. The parameter type
specifies what is escaped: :all
- all special HTML characters as well as entities, :text
-
all special HTML characters except the quotation mark but no entities and
:attribute
- all special HTML characters including the quotation mark but no entities.
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# File 'lib/newstile/utils/html.rb', line 67 def escape_html(str, type = :all) str.gsub(ESCAPE_RE_FROM_TYPE[type]) {|m| ESCAPE_MAP[m] || m} end |
#html_attributes(el) ⇒ Object
Return the string with the attributes of the element el
.
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# File 'lib/newstile/utils/html.rb', line 44 def html_attributes(el) el.attr.map {|k,v| v.nil? ? '' : " #{k}=\"#{escape_html(v.to_s, :attribute)}\"" }.join('') end |