Class: ActionDispatch::Journey::Path::Pattern::AnchoredRegexp
Overview
Constant Summary
Visitors::Visitor::DISPATCH_CACHE
Instance Method Summary
collapse
Constructor Details
#initialize(separator, matchers) ⇒ AnchoredRegexp
Returns a new instance of AnchoredRegexp.
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# File 'lib/action_dispatch/journey/path/pattern.rb', line 70
def initialize(separator, matchers)
@separator = separator
@matchers = matchers
@separator_re = "([^#{separator}]+)"
super()
end
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Instance Method Details
#accept(node) ⇒ Object
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# File 'lib/action_dispatch/journey/path/pattern.rb', line 77
def accept(node)
%r{\A#{visit node}\Z}
end
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#visit_CAT(node) ⇒ Object
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# File 'lib/action_dispatch/journey/path/pattern.rb', line 81
def visit_CAT(node)
[visit(node.left), visit(node.right)].join
end
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#visit_GROUP(node) ⇒ Object
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# File 'lib/action_dispatch/journey/path/pattern.rb', line 94
def visit_GROUP(node)
"(?:#{visit node.left})?"
end
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#visit_LITERAL(node) ⇒ Object
Also known as:
visit_DOT
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# File 'lib/action_dispatch/journey/path/pattern.rb', line 98
def visit_LITERAL(node)
Regexp.escape(node.left)
end
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#visit_OR(node) ⇒ Object
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# File 'lib/action_dispatch/journey/path/pattern.rb', line 112
def visit_OR(node)
children = node.children.map { |n| visit n }
"(?:#{children.join(?|)})"
end
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#visit_SLASH(node) ⇒ Object
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# File 'lib/action_dispatch/journey/path/pattern.rb', line 103
def visit_SLASH(node)
node.left
end
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#visit_STAR(node) ⇒ Object
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# File 'lib/action_dispatch/journey/path/pattern.rb', line 107
def visit_STAR(node)
re = @matchers[node.left.to_sym] || ".+"
"(#{re})"
end
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#visit_SYMBOL(node) ⇒ Object
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# File 'lib/action_dispatch/journey/path/pattern.rb', line 85
def visit_SYMBOL(node)
node = node.to_sym
return @separator_re unless @matchers.key?(node)
re = @matchers[node]
"(#{re})"
end
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