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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
192
vendor/gems/coderay-1.0.0/lib/coderay/scanners/css.rb
vendored
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192
vendor/gems/coderay-1.0.0/lib/coderay/scanners/css.rb
vendored
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@@ -0,0 +1,192 @@
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module CodeRay
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module Scanners
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class CSS < Scanner
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register_for :css
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KINDS_NOT_LOC = [
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:comment,
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:class, :pseudo_class, :type,
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:constant, :directive,
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:key, :value, :operator, :color, :float, :string,
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:error, :important,
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] # :nodoc:
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module RE # :nodoc:
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Hex = /[0-9a-fA-F]/
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Unicode = /\\#{Hex}{1,6}(?:\r\n|\s)?/ # differs from standard because it allows uppercase hex too
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Escape = /#{Unicode}|\\[^\r\n\f0-9a-fA-F]/
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NMChar = /[-_a-zA-Z0-9]|#{Escape}/
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NMStart = /[_a-zA-Z]|#{Escape}/
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NL = /\r\n|\r|\n|\f/
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String1 = /"(?:[^\n\r\f\\"]|\\#{NL}|#{Escape})*"?/ # TODO: buggy regexp
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String2 = /'(?:[^\n\r\f\\']|\\#{NL}|#{Escape})*'?/ # TODO: buggy regexp
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String = /#{String1}|#{String2}/
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HexColor = /#(?:#{Hex}{6}|#{Hex}{3})/
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Color = /#{HexColor}/
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Num = /-?(?:[0-9]+|[0-9]*\.[0-9]+)/
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Name = /#{NMChar}+/
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Ident = /-?#{NMStart}#{NMChar}*/
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AtKeyword = /@#{Ident}/
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Percentage = /#{Num}%/
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reldimensions = %w[em ex px]
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absdimensions = %w[in cm mm pt pc]
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Unit = Regexp.union(*(reldimensions + absdimensions))
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Dimension = /#{Num}#{Unit}/
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Comment = %r! /\* (?: .*? \*/ | .* ) !mx
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Function = /(?:url|alpha|attr|counters?)\((?:[^)\n\r\f]|\\\))*\)?/
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Id = /##{Name}/
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Class = /\.#{Name}/
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PseudoClass = /:#{Name}/
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AttributeSelector = /\[[^\]]*\]?/
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end
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protected
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def scan_tokens encoder, options
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value_expected = nil
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states = [:initial]
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until eos?
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if match = scan(/\s+/)
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encoder.text_token match, :space
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elsif case states.last
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when :initial, :media
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if match = scan(/(?>#{RE::Ident})(?!\()|\*/ox)
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encoder.text_token match, :type
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next
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elsif match = scan(RE::Class)
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encoder.text_token match, :class
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next
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elsif match = scan(RE::Id)
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encoder.text_token match, :constant
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next
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elsif match = scan(RE::PseudoClass)
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encoder.text_token match, :pseudo_class
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next
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elsif match = scan(RE::AttributeSelector)
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# TODO: Improve highlighting inside of attribute selectors.
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encoder.text_token match[0,1], :operator
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encoder.text_token match[1..-2], :attribute_name if match.size > 2
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encoder.text_token match[-1,1], :operator if match[-1] == ?]
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next
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elsif match = scan(/@media/)
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encoder.text_token match, :directive
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states.push :media_before_name
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next
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end
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when :block
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if match = scan(/(?>#{RE::Ident})(?!\()/ox)
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if value_expected
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encoder.text_token match, :value
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else
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encoder.text_token match, :key
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end
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next
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end
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when :media_before_name
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if match = scan(RE::Ident)
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encoder.text_token match, :type
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states[-1] = :media_after_name
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next
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end
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when :media_after_name
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if match = scan(/\{/)
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encoder.text_token match, :operator
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states[-1] = :media
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next
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end
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else
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#:nocov:
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raise_inspect 'Unknown state', encoder
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#:nocov:
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end
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elsif match = scan(/\/\*(?:.*?\*\/|\z)/m)
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encoder.text_token match, :comment
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elsif match = scan(/\{/)
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value_expected = false
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encoder.text_token match, :operator
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states.push :block
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elsif match = scan(/\}/)
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value_expected = false
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if states.last == :block || states.last == :media
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encoder.text_token match, :operator
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states.pop
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else
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encoder.text_token match, :error
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end
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elsif match = scan(/#{RE::String}/o)
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encoder.begin_group :string
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encoder.text_token match[0, 1], :delimiter
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encoder.text_token match[1..-2], :content if match.size > 2
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encoder.text_token match[-1, 1], :delimiter if match.size >= 2
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encoder.end_group :string
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elsif match = scan(/#{RE::Function}/o)
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encoder.begin_group :string
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start = match[/^\w+\(/]
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encoder.text_token start, :delimiter
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if match[-1] == ?)
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encoder.text_token match[start.size..-2], :content
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encoder.text_token ')', :delimiter
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else
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encoder.text_token match[start.size..-1], :content
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end
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encoder.end_group :string
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elsif match = scan(/(?: #{RE::Dimension} | #{RE::Percentage} | #{RE::Num} )/ox)
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encoder.text_token match, :float
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elsif match = scan(/#{RE::Color}/o)
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encoder.text_token match, :color
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elsif match = scan(/! *important/)
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encoder.text_token match, :important
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elsif match = scan(/(?:rgb|hsl)a?\([^()\n]*\)?/)
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encoder.text_token match, :color
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elsif match = scan(RE::AtKeyword)
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encoder.text_token match, :directive
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elsif match = scan(/ [+>:;,.=()\/] /x)
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if match == ':'
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value_expected = true
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elsif match == ';'
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value_expected = false
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end
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encoder.text_token match, :operator
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else
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encoder.text_token getch, :error
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end
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end
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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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