Class: URITemplate::RFC6570::RegexBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/uri_template/rfc6570/regex_builder.rb

Instance Method Summary (collapse)

Constructor Details

- (RegexBuilder) initialize(expression_class)

A new instance of RegexBuilder



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 24

def initialize(expression_class)
  @expression_class = expression_class
  @source = []
end

Instance Method Details

- (Object) <<(arg) 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 29

def <<(arg)
  @source << arg
  self
end

- (Object) capture(&block) 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 90

def capture(&block)
  group(true, &block)
end

- (Object) character_class(max_length = 0, min = 0) 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 63

def character_class(max_length=0, min = 0)
  self << @expression_class::CHARACTER_CLASS[:class] << format_length(max_length, min)
end

- (Object) character_class_with_comma(max_length = 0, min = 0) 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 59

def character_class_with_comma(max_length=0, min = 0)
  self << @expression_class::CHARACTER_CLASS[:class_with_comma] << format_length(max_length, min)
end

- (Object) escaped_pair_connector 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 39

def escaped_pair_connector
  self << Regexp.escape(@expression_class::PAIR_CONNECTOR)
end

- (Object) escaped_prefix 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 47

def escaped_prefix
  self << Regexp.escape(@expression_class::PREFIX)
end

- (Object) escaped_separator 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 43

def escaped_separator
  self << Regexp.escape(@expression_class::SEPARATOR)
end

- (Object) group(capture = false) 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 71

def group(capture = false)
  self << '('
  self << '?:' unless capture
  yield
  self << ')'
end

- (Object) join 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 51

def join
  return @source.join
end

- (Object) length(*args) 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 55

def length(*args)
  self << format_length(*args)
end

- (Object) lookahead 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 84

def lookahead
  self << '(?='
  yield
  self << ')'
end

- (Object) negative_lookahead 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 78

def negative_lookahead
  self << '(?!'
  yield
  self << ')'
end

- (Object) push(*args) 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 34

def push(*args)
  @source.push(*args)
  self
end

- (Object) reluctant 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 67

def reluctant
  self << '?'
end

- (Object) separated_list(first = true, length = 0, min = 1, &block) 



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# File 'lib/uri_template/rfc6570/regex_builder.rb', line 94

def separated_list(first = true, length = 0, min = 1, &block)
  if first
    yield
    min -= 1
  end
  self.push('(?:').escaped_separator
  yield
  self.push(')').length(length, min)
end