Module: Jekyll::Minibundle::VariableTemplate::Parser
- Defined in:
- lib/jekyll/minibundle/variable_template.rb
Class Method Summary collapse
- .make_close_tag_regexp ⇒ Object
- .make_escape_sequence_or_open_tag_regexp ⇒ Object
-
.make_escape_sequence_regexp ⇒ Object
rubocop:enable Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity.
-
.parse(template) ⇒ Object
rubocop:disable Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity.
Class Method Details
.make_close_tag_regexp ⇒ Object
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# File 'lib/jekyll/minibundle/variable_template.rb', line 92 def self.make_close_tag_regexp @_close_tag_regexp ||= Regexp.compile(Regexp.escape(CLOSE_TAG)) end |
.make_escape_sequence_or_open_tag_regexp ⇒ Object
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# File 'lib/jekyll/minibundle/variable_template.rb', line 84 def self.make_escape_sequence_or_open_tag_regexp @_escape_sequence_or_open_tag_regexp ||= begin regexp = [make_escape_sequence_regexp.join('|'), Regexp.escape(OPEN_TAG)].map { |p| "(#{p})" }.join('|') Regexp.compile(regexp) end end |
.make_escape_sequence_regexp ⇒ Object
rubocop:enable Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
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# File 'lib/jekyll/minibundle/variable_template.rb', line 78 def self.make_escape_sequence_regexp escape_chars = (OPEN_TAG + CLOSE_TAG).chars.uniq escape_chars << ESCAPE_CHAR escape_chars.map { |c| Regexp.escape(ESCAPE_CHAR + c) } end |
.parse(template) ⇒ Object
rubocop:disable Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
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# File 'lib/jekyll/minibundle/variable_template.rb', line 39 def self.parse(template) raise ArgumentError, 'Nil template' if template.nil? escape_or_open_regex = Parser.make_escape_sequence_or_open_tag_regexp close_regex = Parser.make_close_tag_regexp scanner = StringScanner.new(template) tokens = [] text_buffer = '' escape_or_open_match = scanner.scan_until(escape_or_open_regex) while escape_or_open_match escape_match = scanner[1] # escape sequence if escape_match text_buffer += escape_or_open_match[0..-3] text_buffer += escape_match[1, 1] # open tag else text_buffer += escape_or_open_match[0..-(OPEN_TAG.size + 1)] tokens << Token.text(text_buffer) text_buffer = '' close_match = scanner.scan_until(close_regex) raise SyntaxError.new(%{Missing closing tag ("#{CLOSE_TAG}") for variable opening tag ("#{OPEN_TAG}")}, template, scanner.charpos) unless close_match tokens << Token.variable(close_match[0..-(CLOSE_TAG.size + 1)].strip) end escape_or_open_match = scanner.scan_until(escape_or_open_regex) end text_buffer += scanner.rest unless scanner.eos? tokens << Token.text(text_buffer) unless text_buffer.empty? tokens end |