mirror of
https://github.com/redmine/redmine.git
synced 2025-11-13 08:46:01 +01:00
Upgrade CodeRay to 0.9.2 (#3359).
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3592 e93f8b46-1217-0410-a6f0-8f06a7374b81
This commit is contained in:
Jean-Philippe Lang
210
vendor/plugins/coderay-0.9.2/lib/coderay/scanners/css.rb
vendored
Normal file
210
vendor/plugins/coderay-0.9.2/lib/coderay/scanners/css.rb
vendored
Normal file
@@ -0,0 +1,210 @@
|
||||
module CodeRay
|
||||
module Scanners
|
||||
|
||||
class CSS < Scanner
|
||||
|
||||
register_for :css
|
||||
|
||||
KINDS_NOT_LOC = [
|
||||
:comment,
|
||||
:class, :pseudo_class, :type,
|
||||
:constant, :directive,
|
||||
:key, :value, :operator, :color, :float,
|
||||
:error, :important,
|
||||
]
|
||||
|
||||
module RE
|
||||
NonASCII = /[\x80-\xFF]/
|
||||
Hex = /[0-9a-fA-F]/
|
||||
Unicode = /\\#{Hex}{1,6}(?:\r\n|\s)?/ # differs from standard because it allows uppercase hex too
|
||||
Escape = /#{Unicode}|\\[^\r\n\f0-9a-fA-F]/
|
||||
NMChar = /[-_a-zA-Z0-9]|#{NonASCII}|#{Escape}/
|
||||
NMStart = /[_a-zA-Z]|#{NonASCII}|#{Escape}/
|
||||
NL = /\r\n|\r|\n|\f/
|
||||
String1 = /"(?:[^\n\r\f\\"]|\\#{NL}|#{Escape})*"?/ # FIXME: buggy regexp
|
||||
String2 = /'(?:[^\n\r\f\\']|\\#{NL}|#{Escape})*'?/ # FIXME: buggy regexp
|
||||
String = /#{String1}|#{String2}/
|
||||
|
||||
HexColor = /#(?:#{Hex}{6}|#{Hex}{3})/
|
||||
Color = /#{HexColor}/
|
||||
|
||||
Num = /-?(?:[0-9]+|[0-9]*\.[0-9]+)/
|
||||
Name = /#{NMChar}+/
|
||||
Ident = /-?#{NMStart}#{NMChar}*/
|
||||
AtKeyword = /@#{Ident}/
|
||||
Percentage = /#{Num}%/
|
||||
|
||||
reldimensions = %w[em ex px]
|
||||
absdimensions = %w[in cm mm pt pc]
|
||||
Unit = Regexp.union(*(reldimensions + absdimensions))
|
||||
|
||||
Dimension = /#{Num}#{Unit}/
|
||||
|
||||
Comment = %r! /\* (?: .*? \*/ | .* ) !mx
|
||||
Function = /(?:url|alpha)\((?:[^)\n\r\f]|\\\))*\)?/
|
||||
|
||||
Id = /##{Name}/
|
||||
Class = /\.#{Name}/
|
||||
PseudoClass = /:#{Name}/
|
||||
AttributeSelector = /\[[^\]]*\]?/
|
||||
|
||||
end
|
||||
|
||||
def scan_tokens tokens, options
|
||||
|
||||
value_expected = nil
|
||||
states = [:initial]
|
||||
|
||||
until eos?
|
||||
|
||||
kind = nil
|
||||
match = nil
|
||||
|
||||
if scan(/\s+/)
|
||||
kind = :space
|
||||
|
||||
elsif case states.last
|
||||
when :initial, :media
|
||||
if scan(/(?>#{RE::Ident})(?!\()|\*/ox)
|
||||
kind = :type
|
||||
elsif scan RE::Class
|
||||
kind = :class
|
||||
elsif scan RE::Id
|
||||
kind = :constant
|
||||
elsif scan RE::PseudoClass
|
||||
kind = :pseudo_class
|
||||
elsif match = scan(RE::AttributeSelector)
|
||||
# TODO: Improve highlighting inside of attribute selectors.
|
||||
tokens << [:open, :string]
|
||||
tokens << [match[0,1], :delimiter]
|
||||
tokens << [match[1..-2], :content] if match.size > 2
|
||||
tokens << [match[-1,1], :delimiter] if match[-1] == ?]
|
||||
tokens << [:close, :string]
|
||||
next
|
||||
elsif match = scan(/@media/)
|
||||
kind = :directive
|
||||
states.push :media_before_name
|
||||
end
|
||||
|
||||
when :block
|
||||
if scan(/(?>#{RE::Ident})(?!\()/ox)
|
||||
if value_expected
|
||||
kind = :value
|
||||
else
|
||||
kind = :key
|
||||
end
|
||||
end
|
||||
|
||||
when :media_before_name
|
||||
if scan RE::Ident
|
||||
kind = :type
|
||||
states[-1] = :media_after_name
|
||||
end
|
||||
|
||||
when :media_after_name
|
||||
if scan(/\{/)
|
||||
kind = :operator
|
||||
states[-1] = :media
|
||||
end
|
||||
|
||||
when :comment
|
||||
if scan(/(?:[^*\s]|\*(?!\/))+/)
|
||||
kind = :comment
|
||||
elsif scan(/\*\//)
|
||||
kind = :comment
|
||||
states.pop
|
||||
elsif scan(/\s+/)
|
||||
kind = :space
|
||||
end
|
||||
|
||||
else
|
||||
raise_inspect 'Unknown state', tokens
|
||||
|
||||
end
|
||||
|
||||
elsif scan(/\/\*/)
|
||||
kind = :comment
|
||||
states.push :comment
|
||||
|
||||
elsif scan(/\{/)
|
||||
value_expected = false
|
||||
kind = :operator
|
||||
states.push :block
|
||||
|
||||
elsif scan(/\}/)
|
||||
value_expected = false
|
||||
if states.last == :block || states.last == :media
|
||||
kind = :operator
|
||||
states.pop
|
||||
else
|
||||
kind = :error
|
||||
end
|
||||
|
||||
elsif match = scan(/#{RE::String}/o)
|
||||
tokens << [:open, :string]
|
||||
tokens << [match[0, 1], :delimiter]
|
||||
tokens << [match[1..-2], :content] if match.size > 2
|
||||
tokens << [match[-1, 1], :delimiter] if match.size >= 2
|
||||
tokens << [:close, :string]
|
||||
next
|
||||
|
||||
elsif match = scan(/#{RE::Function}/o)
|
||||
tokens << [:open, :string]
|
||||
start = match[/^\w+\(/]
|
||||
tokens << [start, :delimiter]
|
||||
if match[-1] == ?)
|
||||
tokens << [match[start.size..-2], :content]
|
||||
tokens << [')', :delimiter]
|
||||
else
|
||||
tokens << [match[start.size..-1], :content]
|
||||
end
|
||||
tokens << [:close, :string]
|
||||
next
|
||||
|
||||
elsif scan(/(?: #{RE::Dimension} | #{RE::Percentage} | #{RE::Num} )/ox)
|
||||
kind = :float
|
||||
|
||||
elsif scan(/#{RE::Color}/o)
|
||||
kind = :color
|
||||
|
||||
elsif scan(/! *important/)
|
||||
kind = :important
|
||||
|
||||
elsif scan(/rgb\([^()\n]*\)?/)
|
||||
kind = :color
|
||||
|
||||
elsif scan(/#{RE::AtKeyword}/o)
|
||||
kind = :directive
|
||||
|
||||
elsif match = scan(/ [+>:;,.=()\/] /x)
|
||||
if match == ':'
|
||||
value_expected = true
|
||||
elsif match == ';'
|
||||
value_expected = false
|
||||
end
|
||||
kind = :operator
|
||||
|
||||
else
|
||||
getch
|
||||
kind = :error
|
||||
|
||||
end
|
||||
|
||||
match ||= matched
|
||||
if $CODERAY_DEBUG and not kind
|
||||
raise_inspect 'Error token %p in line %d' %
|
||||
[[match, kind], line], tokens
|
||||
end
|
||||
raise_inspect 'Empty token', tokens unless match
|
||||
|
||||
tokens << [match, kind]
|
||||
|
||||
end
|
||||
|
||||
tokens
|
||||
end
|
||||
|
||||
end
|
||||
|
||||
end
|
||||
end
|
||||
Reference in New Issue
Block a user