Class: Asciidoctor::SyntaxHighlighter::RougeAdapter
- Inherits:
-
Base
- Object
- Base
- Asciidoctor::SyntaxHighlighter::RougeAdapter
show all
- Extended by:
- Styles
- Includes:
- Loader, Styles
- Defined in:
- lib/asciidoctor/syntax_highlighter/rouge.rb
Defined Under Namespace
Modules: Loader, Styles
Constant Summary
DefaultFactory::PROVIDED
Instance Attribute Summary
#name
Instance Method Summary
collapse
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#create_formatter(node, source, lang, opts) ⇒ Object
-
#create_lexer(node, source, lang, opts) ⇒ Object
-
#docinfo(location, doc, opts) ⇒ Object
-
#docinfo?(location) ⇒ Boolean
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#format(node, lang, opts) ⇒ Object
-
#highlight(node, source, lang, opts) ⇒ Object
-
#highlight? ⇒ Boolean
-
#initialize(*args) ⇒ RougeAdapter
constructor
A new instance of RougeAdapter.
-
#write_stylesheet(doc, to_dir) ⇒ Object
-
#write_stylesheet?(doc) ⇒ Boolean
Methods included from Styles
read_stylesheet, stylesheet_basename
#for, #register
Methods included from Factory
#create, #for, #register
Constructor Details
Returns a new instance of RougeAdapter.
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# File 'lib/asciidoctor/syntax_highlighter/rouge.rb', line 7
def initialize *args
super
@requires_stylesheet = @style = nil
end
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Instance Method Details
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# File 'lib/asciidoctor/syntax_highlighter/rouge.rb', line 75
def create_formatter node, source, lang, opts
formatter = opts[:css_mode] == :class ?
(::Rouge::Formatters::HTML.new inline_theme: @style) :
(::Rouge::Formatters::HTMLInline.new (::Rouge::Theme.find @style).new)
if (number_lines = opts[:number_lines])
formatter = RougeExt::Formatters::HTMLLineHighlighter.new formatter, lines: opts[:highlight_lines]
number_lines == :table ?
(RougeExt::Formatters::HTMLTableLineNumberer.new formatter, start_line: opts[:start_line_number]) :
(RougeExt::Formatters::HTMLLineNumberer.new formatter, start_line: opts[:start_line_number])
elsif (highlight_lines = opts[:highlight_lines])
RougeExt::Formatters::HTMLLineHighlighter.new formatter, lines: highlight_lines
else
formatter
end
end
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#create_lexer(node, source, lang, opts) ⇒ Object
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# File 'lib/asciidoctor/syntax_highlighter/rouge.rb', line 61
def create_lexer node, source, lang, opts
if lang.include? '?'
if (lexer = ::Rouge::Lexer.find_fancy lang)
unless lexer.tag != 'php' || (node.option? 'mixed') || ((lexer_opts = lexer.options).key? 'start_inline')
lexer = lexer.class.new lexer_opts.merge 'start_inline' => true
end
end
elsif (lexer = ::Rouge::Lexer.find lang)
lexer = lexer.tag == 'php' && !(node.option? 'mixed') ? (lexer.new start_inline: true) : lexer.new
end if lang
lexer || ::Rouge::Lexers::PlainText.new
end
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#docinfo(location, doc, opts) ⇒ Object
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# File 'lib/asciidoctor/syntax_highlighter/rouge.rb', line 43
def docinfo location, doc, opts
if opts[:linkcss]
%(<link rel="stylesheet" href="#{doc.normalize_web_path (stylesheet_basename @style), (doc.attr 'stylesdir'), false}"#{opts[:self_closing_tag_slash]}>)
else
%(<style>
#{read_stylesheet @style}
</style>)
end
end
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#docinfo?(location) ⇒ Boolean
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# File 'lib/asciidoctor/syntax_highlighter/rouge.rb', line 39
def docinfo? location
@requires_stylesheet && location == :head
end
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# File 'lib/asciidoctor/syntax_highlighter/rouge.rb', line 29
def format node, lang, opts
if (query_idx = lang && (lang.index '?'))
lang = lang.slice 0, query_idx
end
if opts[:css_mode] != :class && (@style = (style = opts[:style]) && (style_available? style) || DEFAULT_STYLE) && (pre_style_attr_val = base_style @style)
opts[:transform] = proc {|pre| pre['style'] = pre_style_attr_val }
end
super
end
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#highlight(node, source, lang, opts) ⇒ Object
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# File 'lib/asciidoctor/syntax_highlighter/rouge.rb', line 16
def highlight node, source, lang, opts
@style ||= (style = opts[:style]) && (style_available? style) || DEFAULT_STYLE
@requires_stylesheet = true if opts[:css_mode] == :class
lexer = create_lexer node, source, lang, opts
formatter = create_formatter node, source, lang, opts
highlighted = formatter.format lexer.lex source
if opts[:number_lines] && opts[:callouts]
[highlighted, (idx = highlighted.index CodeCellStartTagCs) ? idx + CodeCellStartTagCs.length : nil]
else
highlighted
end
end
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#highlight? ⇒ Boolean
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# File 'lib/asciidoctor/syntax_highlighter/rouge.rb', line 12
def highlight?
library_available?
end
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#write_stylesheet(doc, to_dir) ⇒ Object
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# File 'lib/asciidoctor/syntax_highlighter/rouge.rb', line 57
def write_stylesheet doc, to_dir
::File.write (::File.join to_dir, (stylesheet_basename @style)), (read_stylesheet @style), mode: FILE_WRITE_MODE
end
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#write_stylesheet?(doc) ⇒ Boolean
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# File 'lib/asciidoctor/syntax_highlighter/rouge.rb', line 53
def write_stylesheet? doc
@requires_stylesheet
end
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