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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@945 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
106 lines
3.8 KiB
Ruby
106 lines
3.8 KiB
Ruby
module ActionController
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# Rewrites URLs for Base.redirect_to and Base.url_for in the controller.
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class UrlRewriter #:nodoc:
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RESERVED_OPTIONS = [:anchor, :params, :only_path, :host, :protocol, :application_prefix]
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def initialize(request, parameters)
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@request, @parameters = request, parameters
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@rewritten_path = @request.path ? @request.path.dup : ""
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end
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def rewrite(options = {})
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rewrite_url(rewrite_path(options), options)
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end
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def to_str
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"#{@request.protocol}, #{@request.host_with_port}, #{@request.path}, #{@parameters[:controller]}, #{@parameters[:action]}, #{@request.parameters.inspect}"
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end
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alias_method :to_s, :to_str
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private
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def rewrite_url(path, options)
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rewritten_url = ""
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rewritten_url << (options[:protocol] || @request.protocol) unless options[:only_path]
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rewritten_url << (options[:host] || @request.host_with_port) unless options[:only_path]
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rewritten_url << (options[:application_prefix] || @request.relative_url_root)
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rewritten_url << path
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rewritten_url << "##{options[:anchor]}" if options[:anchor]
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return rewritten_url
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end
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def rewrite_path(options)
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options = options.symbolize_keys
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options.update((options[:params]).symbolize_keys) if options[:params]
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RESERVED_OPTIONS.each {|k| options.delete k}
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path, extras = Routing::Routes.generate(options, @request)
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path = "/#{path.join('/')}".chomp '/'
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path = '/' if path.empty?
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path += build_query_string(extras)
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return path
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end
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def action_name(options, action_prefix = nil, action_suffix = nil)
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ensure_slash_suffix(options, :action_prefix)
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ensure_slash_prefix(options, :action_suffix)
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prefix = options[:action_prefix] || action_prefix || ""
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suffix = options[:action] == "index" ? "" : (options[:action_suffix] || action_suffix || "")
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name = (options[:action] == "index" ? "" : options[:action]) || ""
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return prefix + name + suffix
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end
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def controller_name(options, controller_prefix)
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ensure_slash_suffix(options, :controller_prefix)
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controller_name = case options[:controller_prefix]
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when String: options[:controller_prefix]
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when false : ""
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when nil : controller_prefix || ""
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end
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controller_name << (options[:controller] + "/") if options[:controller]
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return controller_name
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end
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def path_params_in_list(options)
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options[:path_params].inject("") { |path, pair| path += "/#{pair.last}" }
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end
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def ensure_slash_suffix(options, key)
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options[key] = options[key] + "/" if options[key] && !options[key].empty? && options[key][-1..-1] != "/"
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end
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def ensure_slash_prefix(options, key)
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options[key] = "/" + options[key] if options[key] && !options[key].empty? && options[key][0..1] != "/"
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end
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def include_id_in_path_params(options)
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options[:path_params] = (options[:path_params] || {}).merge({"id" => options[:id]}) if options[:id]
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end
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# Returns a query string with escaped keys and values from the passed hash. If the passed hash contains an "id" it'll
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# be added as a path element instead of a regular parameter pair.
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def build_query_string(hash)
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elements = []
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query_string = ""
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hash.each do |key, value|
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key = key.to_s
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key = CGI.escape key
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key += '[]' if value.class == Array
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value = [ value ] unless value.class == Array
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value.each { |val| elements << "#{key}=#{Routing.extract_parameter_value(val)}" }
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end
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query_string << ("?" + elements.join("&")) unless elements.empty?
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return query_string
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end
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end
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end
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