Class: HttpRouter::Node::Regex

Inherits:

HttpRouter::Node

• Object
• HttpRouter::Node
• HttpRouter::Node::Regex

show all

Defined in:

lib/http_router/node/regex.rb

Instance Attribute Summary (collapse)

• - (Object) capturing_indicies readonly

  Returns the value of attribute capturing_indicies.

• - (Object) matcher readonly

  Returns the value of attribute matcher.

• - (Object) ordered_indicies readonly

  Returns the value of attribute ordered_indicies.

• - (Object) splitting_indicies readonly

  Returns the value of attribute splitting_indicies.

Attributes inherited from HttpRouter::Node

#node_position, #parent, #priority, #router

Instance Method Summary (collapse)

• - (Regex) initialize(router, parent, matcher, capturing_indicies, splitting_indicies = nil) constructor

  A new instance of Regex.

• - (Object) node_to_code
• - (Object) param_capturing_code
• - (Object) to_code
• - (Boolean) usable?(other)

Methods inherited from HttpRouter::Node

#add_arbitrary, #add_destination, #add_free_match, #add_glob, #add_glob_regexp, #add_lookup, #add_match, #add_request, #add_spanning_match, #add_variable

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# File 'lib/http_router/node/regex.rb', line 7

def initialize(router, parent, matcher, capturing_indicies, splitting_indicies = nil)
  @matcher, @capturing_indicies, @splitting_indicies = matcher, capturing_indicies, splitting_indicies
  @ordered_indicies = []
  @ordered_indicies.concat(capturing_indicies.map{|i| [i, :capture]}) if capturing_indicies
  @ordered_indicies.concat(splitting_indicies.map{|i| [i, :split]}) if splitting_indicies
  @ordered_indicies.sort!
  super(router, parent)
end

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# File 'lib/http_router/node/regex.rb', line 5

def capturing_indicies
  @capturing_indicies
end

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# File 'lib/http_router/node/regex.rb', line 5

def matcher
  @matcher
end

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# File 'lib/http_router/node/regex.rb', line 5

def ordered_indicies
  @ordered_indicies
end

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# File 'lib/http_router/node/regex.rb', line 5

def splitting_indicies
  @splitting_indicies
end

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# File 'lib/http_router/node/regex.rb', line 4

alias_method :node_to_code, :to_code

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# File 'lib/http_router/node/regex.rb', line 30

def param_capturing_code
  @ordered_indicies.map{|(i, type)|
    case type
    when :capture then "request.params << match[#{i}]\n"
    when :split   then "request.params << match[#{i}].split(/\\//)\n"
    end
  }.join("")
end

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# File 'lib/http_router/node/regex.rb', line 20

def to_code
  params_size = @splitting_indicies.size + @capturing_indicies.size
  "if match = #{@matcher.inspect}.match(request.path.first) and match.begin(0).zero?
    part = request.path.shift\n" << param_capturing_code <<
    "#{super}
    request.path.unshift part
    #{params_size == 1 ? "request.params.pop" : "request.params.slice!(#{-params_size}, #{params_size})"}
  end"
end

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# File 'lib/http_router/node/regex.rb', line 16

def usable?(other)
  other.class == self.class && other.matcher == matcher && other.splitting_indicies == splitting_indicies && other.capturing_indicies == capturing_indicies
end