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Update CodeRay version to 1.0 final (#4264).
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@7619 e93f8b46-1217-0410-a6f0-8f06a7374b81
This commit is contained in:
Etienne Massip
253
vendor/gems/coderay-1.0.0/lib/coderay/scanners/html.rb
vendored
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253
vendor/gems/coderay-1.0.0/lib/coderay/scanners/html.rb
vendored
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@@ -0,0 +1,253 @@
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module CodeRay
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module Scanners
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# HTML Scanner
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#
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# Alias: +xhtml+
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#
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# See also: Scanners::XML
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class HTML < Scanner
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register_for :html
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KINDS_NOT_LOC = [
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:comment, :doctype, :preprocessor,
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:tag, :attribute_name, :operator,
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:attribute_value, :string,
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:plain, :entity, :error,
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] # :nodoc:
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EVENT_ATTRIBUTES = %w(
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onabort onafterprint onbeforeprint onbeforeunload onblur oncanplay
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oncanplaythrough onchange onclick oncontextmenu oncuechange ondblclick
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ondrag ondragdrop ondragend ondragenter ondragleave ondragover
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ondragstart ondrop ondurationchange onemptied onended onerror onfocus
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onformchange onforminput onhashchange oninput oninvalid onkeydown
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onkeypress onkeyup onload onloadeddata onloadedmetadata onloadstart
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onmessage onmousedown onmousemove onmouseout onmouseover onmouseup
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onmousewheel onmove onoffline ononline onpagehide onpageshow onpause
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onplay onplaying onpopstate onprogress onratechange onreadystatechange
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onredo onreset onresize onscroll onseeked onseeking onselect onshow
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onstalled onstorage onsubmit onsuspend ontimeupdate onundo onunload
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onvolumechange onwaiting
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)
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IN_ATTRIBUTE = WordList::CaseIgnoring.new(nil).
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add(EVENT_ATTRIBUTES, :script)
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ATTR_NAME = /[\w.:-]+/ # :nodoc:
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TAG_END = /\/?>/ # :nodoc:
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HEX = /[0-9a-fA-F]/ # :nodoc:
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ENTITY = /
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&
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(?:
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\w+
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\#
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(?:
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\d+
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x#{HEX}+
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)
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)
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;
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/ox # :nodoc:
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PLAIN_STRING_CONTENT = {
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"'" => /[^&'>\n]+/,
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'"' => /[^&">\n]+/,
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} # :nodoc:
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def reset
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super
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@state = :initial
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@plain_string_content = nil
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end
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protected
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def setup
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@state = :initial
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@plain_string_content = nil
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end
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def scan_java_script encoder, code
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if code && !code.empty?
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@java_script_scanner ||= Scanners::JavaScript.new '', :keep_tokens => true
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# encoder.begin_group :inline
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@java_script_scanner.tokenize code, :tokens => encoder
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# encoder.end_group :inline
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end
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end
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def scan_tokens encoder, options
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state = options[:state] || @state
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plain_string_content = @plain_string_content
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in_tag = in_attribute = nil
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encoder.begin_group :string if state == :attribute_value_string
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until eos?
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if state != :in_special_tag && match = scan(/\s+/m)
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encoder.text_token match, :space
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else
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case state
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when :initial
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if match = scan(/<!--(?:.*?-->|.*)/m)
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encoder.text_token match, :comment
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elsif match = scan(/<!DOCTYPE(?:.*?>|.*)/m)
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encoder.text_token match, :doctype
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elsif match = scan(/<\?xml(?:.*?\?>|.*)/m)
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encoder.text_token match, :preprocessor
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elsif match = scan(/<\?(?:.*?\?>|.*)/m)
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encoder.text_token match, :comment
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elsif match = scan(/<\/[-\w.:]*>?/m)
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in_tag = nil
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encoder.text_token match, :tag
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elsif match = scan(/<(?:(script)|[-\w.:]+)(>)?/m)
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encoder.text_token match, :tag
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in_tag = self[1]
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if self[2]
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state = :in_special_tag if in_tag
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else
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state = :attribute
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end
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elsif match = scan(/[^<>&]+/)
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encoder.text_token match, :plain
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elsif match = scan(/#{ENTITY}/ox)
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encoder.text_token match, :entity
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elsif match = scan(/[<>&]/)
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in_tag = nil
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encoder.text_token match, :error
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else
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raise_inspect '[BUG] else-case reached with state %p' % [state], encoder
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end
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when :attribute
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if match = scan(/#{TAG_END}/o)
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encoder.text_token match, :tag
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in_attribute = nil
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if in_tag
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state = :in_special_tag
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else
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state = :initial
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end
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elsif match = scan(/#{ATTR_NAME}/o)
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in_attribute = IN_ATTRIBUTE[match]
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encoder.text_token match, :attribute_name
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state = :attribute_equal
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else
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in_tag = nil
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encoder.text_token getch, :error
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end
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when :attribute_equal
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if match = scan(/=/) #/
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encoder.text_token match, :operator
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state = :attribute_value
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elsif scan(/#{ATTR_NAME}/o) || scan(/#{TAG_END}/o)
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state = :attribute
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next
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else
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encoder.text_token getch, :error
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state = :attribute
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end
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when :attribute_value
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if match = scan(/#{ATTR_NAME}/o)
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encoder.text_token match, :attribute_value
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state = :attribute
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elsif match = scan(/["']/)
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if in_attribute == :script
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encoder.begin_group :inline
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encoder.text_token match, :inline_delimiter
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if scan(/javascript:[ \t]*/)
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encoder.text_token matched, :comment
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end
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code = scan_until(match == '"' ? /(?="|\z)/ : /(?='|\z)/)
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scan_java_script encoder, code
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match = scan(/["']/)
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encoder.text_token match, :inline_delimiter if match
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encoder.end_group :inline
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state = :attribute
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in_attribute = nil
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else
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encoder.begin_group :string
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state = :attribute_value_string
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plain_string_content = PLAIN_STRING_CONTENT[match]
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encoder.text_token match, :delimiter
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end
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elsif match = scan(/#{TAG_END}/o)
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encoder.text_token match, :tag
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state = :initial
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else
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encoder.text_token getch, :error
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end
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when :attribute_value_string
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if match = scan(plain_string_content)
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encoder.text_token match, :content
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elsif match = scan(/['"]/)
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encoder.text_token match, :delimiter
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encoder.end_group :string
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state = :attribute
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elsif match = scan(/#{ENTITY}/ox)
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encoder.text_token match, :entity
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elsif match = scan(/&/)
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encoder.text_token match, :content
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elsif match = scan(/[\n>]/)
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encoder.end_group :string
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state = :initial
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encoder.text_token match, :error
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end
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when :in_special_tag
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case in_tag
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when 'script'
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encoder.text_token match, :space if match = scan(/[ \t]*\n/)
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if scan(/(\s*<!--)(?:(.*?)(-->)|(.*))/m)
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code = self[2] || self[4]
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closing = self[3]
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encoder.text_token self[1], :comment
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else
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code = scan_until(/(?=(?:\n\s*)?<\/script>)|\z/)
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closing = false
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end
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unless code.empty?
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encoder.begin_group :inline
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scan_java_script encoder, code
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encoder.end_group :inline
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end
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encoder.text_token closing, :comment if closing
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state = :initial
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else
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raise 'unknown special tag: %p' % [in_tag]
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end
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else
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raise_inspect 'Unknown state: %p' % [state], encoder
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end
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end
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end
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if options[:keep_state]
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@state = state
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@plain_string_content = plain_string_content
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end
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encoder.end_group :string if state == :attribute_value_string
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encoder
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end
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end
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end
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end
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