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require 'mustache'
module Ronn
# A Mustache Template for HTML formatting.
class Template < Mustache
self.template_path = File.dirname(__FILE__) + '/template'
self.template_extension = 'html'
def initialize(document, style_path = ENV['RONN_STYLE'].to_s.split(':'))
super()
@document = document
@style_path = style_path + [Template.template_path]
end
def render(template = 'default')
super(template[0, 1] == '/' ? File.read(template) : partial(template))
end
##
# Basic document attributes
def name
@document.name
end
def section
@document.section
end
def tagline
@document.tagline
end
alias tagline? tagline
def name_and_section?
name && section
end
def title
if !name_and_section? && tagline
tagline
else
[page_name, tagline].compact.join(' - ')
end
end
def custom_title?
!name_and_section? && tagline
end
def page_name
if section
"#{name}(#{section})"
else
name
end
end
def generator
"Ronn-NG/v#{Ronn.version} (http://github.com/apjanke/ronn-ng/tree/#{Ronn.revision})"
end
def manual
@document.manual
end
def organization
@document.organization
end
def date
@document.date.strftime('%B %Y')
end
def wrap_class_name
'mp'
end
##
# Section TOCs
def section_heads
@document.section_heads.map do |id, text|
{
id: id,
text: text
}
end
end
##
# Styles
# Array of style module names as given on the command line.
def styles
@document.styles
end
# Array of stylesheet info hashes.
def stylesheets
styles.zip(style_files).map do |name, path|
base = File.basename(path, '.css')
raise "style not found: #{style.inspect}" if path.nil?
{
name: name,
path: path,
base: File.basename(path, '.css'),
media: base =~ /(print|screen)$/ ? $1 : 'all'
}
end
end
# All embedded stylesheets.
def stylesheet_tags
stylesheets
.map { |style| inline_stylesheet(style[:path], style[:media]) }
.join("\n ")
end
attr_accessor :style_path
# Array of expanded stylesheet file names. If a file cannot be found, the
# resulting array will include nil elements in positions corresponding to
# the stylesheets array.
def style_files
styles.map do |name|
next name if name.include?('/')
style_path
.reject { |p| p.strip.empty? }
.map { |p| File.join(p, "#{name}.css") }
.detect { |file| File.exist?(file) }
end
end
# Array of style names for which no file could be found.
def missing_styles
style_files
.zip(files)
.select { |_style, file| file.nil? }
.map { |style, _file| style }
end
##
# TEMPLATE CSS LOADING
def inline_stylesheet(path, media = 'all')
data = File.read(path)
data.gsub!(%r{/\*.+?\*/}m, '') # comments
data.gsub!(/([;{,]) *\n/m, '\1') # end-of-line whitespace
data.gsub!(/\n{2,}/m, "\n") # collapse lines
data.gsub!(/[; ]+\}/, '}') # superfluous trailing semi-colons
data.gsub!(/([{;,+])[ ]+/, '\1') # whitespace around things
data.gsub!(/[ \t]+/m, ' ') # coalescing whitespace elsewhere
data.gsub!(/^/, ' ') # indent
data.strip!
[
"<style type='text/css' media='#{media}'>",
"/* style: #{File.basename(path, '.css')} */",
data,
'</style>'
].join("\n ")
end
def remote_stylesheet(name, media = 'all')
path = File.expand_path("../template/#{name}.css", __FILE__)
"<link rel='stylesheet' type='text/css' media='#{media}' href='#{path}'>"
end
def stylesheet(_path, media = 'all')
inline_stylesheet(name, media)
end
end
end
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