diff options
Diffstat (limited to 'vendor/gems/coderay-0.9.7/lib/coderay/scanners/nitro_xhtml.rb')
-rw-r--r-- | vendor/gems/coderay-0.9.7/lib/coderay/scanners/nitro_xhtml.rb | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/vendor/gems/coderay-0.9.7/lib/coderay/scanners/nitro_xhtml.rb b/vendor/gems/coderay-0.9.7/lib/coderay/scanners/nitro_xhtml.rb new file mode 100644 index 000000000..6eb1d3b8b --- /dev/null +++ b/vendor/gems/coderay-0.9.7/lib/coderay/scanners/nitro_xhtml.rb @@ -0,0 +1,136 @@ +module CodeRay +module Scanners + + load :html + load :ruby + + # Nitro XHTML Scanner + class NitroXHTML < Scanner + + include Streamable + register_for :nitro_xhtml + file_extension :xhtml + title 'Nitro XHTML' + + KINDS_NOT_LOC = HTML::KINDS_NOT_LOC + + NITRO_RUBY_BLOCK = / + <\?r + (?> + [^\?]* + (?> \?(?!>) [^\?]* )* + ) + (?: \?> )? + | + <ruby> + (?> + [^<]* + (?> <(?!\/ruby>) [^<]* )* + ) + (?: <\/ruby> )? + | + <% + (?> + [^%]* + (?> %(?!>) [^%]* )* + ) + (?: %> )? + /mx + + NITRO_VALUE_BLOCK = / + \# + (?: + \{ + [^{}]* + (?> + \{ [^}]* \} + (?> [^{}]* ) + )* + \}? + | \| [^|]* \|? + | \( [^)]* \)? + | \[ [^\]]* \]? + | \\ [^\\]* \\? + ) + /x + + NITRO_ENTITY = / + % (?: \#\d+ | \w+ ) ; + / + + START_OF_RUBY = / + (?=[<\#%]) + < (?: \?r | % | ruby> ) + | \# [{(|] + | % (?: \#\d+ | \w+ ) ; + /x + + CLOSING_PAREN = Hash.new do |h, p| + h[p] = p + end.update( { + '(' => ')', + '[' => ']', + '{' => '}', + } ) + + private + + def setup + @ruby_scanner = CodeRay.scanner :ruby, :tokens => @tokens, :keep_tokens => true + @html_scanner = CodeRay.scanner :html, :tokens => @tokens, :keep_tokens => true, :keep_state => true + end + + def reset_instance + super + @html_scanner.reset + end + + def scan_tokens tokens, options + + until eos? + + if (match = scan_until(/(?=#{START_OF_RUBY})/o) || scan_until(/\z/)) and not match.empty? + @html_scanner.tokenize match + + elsif match = scan(/#{NITRO_VALUE_BLOCK}/o) + start_tag = match[0,2] + delimiter = CLOSING_PAREN[start_tag[1,1]] + end_tag = match[-1,1] == delimiter ? delimiter : '' + tokens << [:open, :inline] + tokens << [start_tag, :inline_delimiter] + code = match[start_tag.size .. -1 - end_tag.size] + @ruby_scanner.tokenize code + tokens << [end_tag, :inline_delimiter] unless end_tag.empty? + tokens << [:close, :inline] + + elsif match = scan(/#{NITRO_RUBY_BLOCK}/o) + start_tag = '<?r' + end_tag = match[-2,2] == '?>' ? '?>' : '' + tokens << [:open, :inline] + tokens << [start_tag, :inline_delimiter] + code = match[start_tag.size .. -(end_tag.size)-1] + @ruby_scanner.tokenize code + tokens << [end_tag, :inline_delimiter] unless end_tag.empty? + tokens << [:close, :inline] + + elsif entity = scan(/#{NITRO_ENTITY}/o) + tokens << [entity, :entity] + + elsif scan(/%/) + tokens << [matched, :error] + + else + raise_inspect 'else-case reached!', tokens + + end + + end + + tokens + + end + + end + +end +end |