diff options
Diffstat (limited to 'lib/coderay/encoders/html/numerization.rb')
| -rw-r--r-- | lib/coderay/encoders/html/numerization.rb | 232 |
1 files changed, 116 insertions, 116 deletions
diff --git a/lib/coderay/encoders/html/numerization.rb b/lib/coderay/encoders/html/numerization.rb index 1e1f952..2960f87 100644 --- a/lib/coderay/encoders/html/numerization.rb +++ b/lib/coderay/encoders/html/numerization.rb @@ -1,122 +1,122 @@ module CodeRay
module Encoders
- class HTML
-
- module Output
-
- def numerize *args
- clone.numerize!(*args)
- end
-
-=begin NUMERIZABLE_WRAPPINGS = {
- :table => [:div, :page, nil],
- :inline => :all,
- :list => [:div, :page, nil]
- }
- NUMERIZABLE_WRAPPINGS.default = :all
-=end
- def numerize! mode = :table, options = {}
- return self unless mode
-
- options = DEFAULT_OPTIONS.merge options
-
- start = options[:line_number_start]
- unless start.is_a? Integer
- raise ArgumentError, "Invalid value %p for :line_number_start; Integer expected." % start
- end
-
- #allowed_wrappings = NUMERIZABLE_WRAPPINGS[mode]
- #unless allowed_wrappings == :all or allowed_wrappings.include? options[:wrap]
- # raise ArgumentError, "Can't numerize, :wrap must be in %p, but is %p" % [NUMERIZABLE_WRAPPINGS, options[:wrap]]
- #end
-
- bold_every = options[:bold_every]
- bolding =
- if bold_every == false
- proc { |line| line.to_s }
- elsif bold_every.is_a? Integer
- raise ArgumentError, ":bolding can't be 0." if bold_every == 0
- proc do |line|
- if line % bold_every == 0
- "<strong>#{line}</strong>" # every bold_every-th number in bold
- else
- line.to_s
- end
- end
- else
- raise ArgumentError, 'Invalid value %p for :bolding; false or Integer expected.' % bold_every
- end
-
- case mode
- when :inline
- max_width = (start + line_count).to_s.size
- line = start
- gsub!(/^/) do
- line_number = bolding.call line
- indent = ' ' * (max_width - line.to_s.size)
- res = "<span class=\"no\">#{indent}#{line_number}</span> "
- line += 1
- res
- end
-
- when :table
- # This is really ugly.
- # Because even monospace fonts seem to have different heights when bold,
- # I make the newline bold, both in the code and the line numbers.
- # FIXME Still not working perfect for Mr. Internet Exploder
- # FIXME Firefox struggles with very long codes (> 200 lines)
- line_numbers = (start ... start + line_count).to_a.map(&bolding).join("\n")
- line_numbers << "\n" # also for Mr. MS Internet Exploder :-/
- line_numbers.gsub!(/\n/) { "<tt>\n</tt>" }
-
- line_numbers_table_tpl = TABLE.apply('LINE_NUMBERS', line_numbers)
- gsub!(/\n/) { "<tt>\n</tt>" }
- wrap_in! line_numbers_table_tpl
- @wrapped_in = :div
-
- when :list
- opened_tags = []
- gsub!(/^.*$\n?/) do |line|
- line.chomp!
-
- open = opened_tags.join
- line.scan(%r!<(/)?span[^>]*>?!) do |close,|
- if close
- opened_tags.pop
- else
- opened_tags << $&
- end
- end
- close = '</span>' * opened_tags.size
-
- "<li>#{open}#{line}#{close}</li>"
- end
- wrap_in! LIST
- @wrapped_in = :div
-
- else
- raise ArgumentError, 'Unknown value %p for mode: expected one of %p' %
- [mode, [:table, :list, :inline]]
- end
-
- self
- end
-
- def line_count
- line_count = count("\n")
- position_of_last_newline = rindex(?\n)
- if position_of_last_newline
- after_last_newline = self[position_of_last_newline + 1 .. -1]
- ends_with_newline = after_last_newline[/\A(?:<\/span>)*\z/]
- line_count += 1 if not ends_with_newline
- end
- line_count
- end
-
- end
-
- end
+ class HTML
+
+ module Output
+
+ def numerize *args
+ clone.numerize!(*args)
+ end
+
+=begin NUMERIZABLE_WRAPPINGS = {
+ :table => [:div, :page, nil],
+ :inline => :all,
+ :list => [:div, :page, nil]
+ }
+ NUMERIZABLE_WRAPPINGS.default = :all
+=end
+ def numerize! mode = :table, options = {}
+ return self unless mode
+
+ options = DEFAULT_OPTIONS.merge options
+
+ start = options[:line_number_start]
+ unless start.is_a? Integer
+ raise ArgumentError, "Invalid value %p for :line_number_start; Integer expected." % start
+ end
+
+ #allowed_wrappings = NUMERIZABLE_WRAPPINGS[mode]
+ #unless allowed_wrappings == :all or allowed_wrappings.include? options[:wrap]
+ # raise ArgumentError, "Can't numerize, :wrap must be in %p, but is %p" % [NUMERIZABLE_WRAPPINGS, options[:wrap]]
+ #end
+
+ bold_every = options[:bold_every]
+ bolding =
+ if bold_every == false
+ proc { |line| line.to_s }
+ elsif bold_every.is_a? Integer
+ raise ArgumentError, ":bolding can't be 0." if bold_every == 0
+ proc do |line|
+ if line % bold_every == 0
+ "<strong>#{line}</strong>" # every bold_every-th number in bold
+ else
+ line.to_s
+ end
+ end
+ else
+ raise ArgumentError, 'Invalid value %p for :bolding; false or Integer expected.' % bold_every
+ end
+
+ case mode
+ when :inline
+ max_width = (start + line_count).to_s.size
+ line = start
+ gsub!(/^/) do
+ line_number = bolding.call line
+ indent = ' ' * (max_width - line.to_s.size)
+ res = "<span class=\"no\">#{indent}#{line_number}</span> "
+ line += 1
+ res
+ end
+
+ when :table
+ # This is really ugly.
+ # Because even monospace fonts seem to have different heights when bold,
+ # I make the newline bold, both in the code and the line numbers.
+ # FIXME Still not working perfect for Mr. Internet Exploder
+ # FIXME Firefox struggles with very long codes (> 200 lines)
+ line_numbers = (start ... start + line_count).to_a.map(&bolding).join("\n")
+ line_numbers << "\n" # also for Mr. MS Internet Exploder :-/
+ line_numbers.gsub!(/\n/) { "<tt>\n</tt>" }
+
+ line_numbers_table_tpl = TABLE.apply('LINE_NUMBERS', line_numbers)
+ gsub!(/\n/) { "<tt>\n</tt>" }
+ wrap_in! line_numbers_table_tpl
+ @wrapped_in = :div
+
+ when :list
+ opened_tags = []
+ gsub!(/^.*$\n?/) do |line|
+ line.chomp!
+
+ open = opened_tags.join
+ line.scan(%r!<(/)?span[^>]*>?!) do |close,|
+ if close
+ opened_tags.pop
+ else
+ opened_tags << $&
+ end
+ end
+ close = '</span>' * opened_tags.size
+
+ "<li>#{open}#{line}#{close}</li>"
+ end
+ wrap_in! LIST
+ @wrapped_in = :div
+
+ else
+ raise ArgumentError, 'Unknown value %p for mode: expected one of %p' %
+ [mode, [:table, :list, :inline]]
+ end
+
+ self
+ end
+
+ def line_count
+ line_count = count("\n")
+ position_of_last_newline = rindex(?\n)
+ if position_of_last_newline
+ after_last_newline = self[position_of_last_newline + 1 .. -1]
+ ends_with_newline = after_last_newline[/\A(?:<\/span>)*\z/]
+ line_count += 1 if not ends_with_newline
+ end
+ line_count
+ end
+
+ end
+
+ end
end
end
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