Class: MrBump::RegexTemplate::Generator

Inherits:
Mustache::Generator
  • Object
show all
Defined in:
lib/mr_bump/regex_template.rb

Instance Method Summary collapse

Instance Method Details

#compile(exp) ⇒ Object 



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# File 'lib/mr_bump/regex_template.rb', line 29

def compile(exp)
  "'#{compile!(exp)}'"
end

#ev(s) ⇒ Object 



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# File 'lib/mr_bump/regex_template.rb', line 26

def ev(s)
  "' + (#{s}) + '"
end

#make_group(names, regex) ⇒ Object 



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# File 'lib/mr_bump/regex_template.rb', line 33

def make_group(names, regex)
  return regex if names.empty?
  "(?<#{names.join('.')}>#{regex})"
end

#on_etag(name, _offset) ⇒ Object 



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# File 'lib/mr_bump/regex_template.rb', line 38

def on_etag(name, _offset)
  make_group(name[2], ev(compile!(name).to_s))
end

#on_inverted_section(name, _offset, content, _raw, _delims) ⇒ Object 



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# File 'lib/mr_bump/regex_template.rb', line 51

def on_inverted_section(name, _offset, content, _raw, _delims)
  one_repeat = ev("v = #{compile!(name)}; ctx.push(v); r = '#{compile!(content)}'; ctx.pop; r;")
  make_group( name[2], "(#{one_repeat})?")
end

#on_section(name, _offset, content, _raw, _delims) ⇒ Object 



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# File 'lib/mr_bump/regex_template.rb', line 46

def on_section(name, _offset, content, _raw, _delims)
  one_repeat = ev("v = #{compile!(name)}; ctx.push(v); r = '#{compile!(content)}'; ctx.pop; r;")
  make_group(name[2], "(#{one_repeat})*")
end

#on_utag(name, _offset) ⇒ Object 



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# File 'lib/mr_bump/regex_template.rb', line 42

def on_utag(name, _offset)
  make_group(name[2], ev(compile!(name).to_s))
end

#str(s) ⇒ Object 



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# File 'lib/mr_bump/regex_template.rb', line 22

def str(s)
  Regexp.escape(super)
end