reorganized router library
This commit is contained in:
Jocelyn Fiat
@@ -0,0 +1,60 @@
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note
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description: "Summary description for {REQUEST_URI_TEMPLATE_HANDLER_CONTEXT}."
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author: ""
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date: "$Date$"
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revision: "$Revision$"
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class
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REQUEST_URI_TEMPLATE_HANDLER_CONTEXT
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inherit
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REQUEST_HANDLER_CONTEXT
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create
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make
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feature {NONE} -- Initialization
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make (req: WGI_REQUEST; tpl: URI_TEMPLATE; tpl_res: URI_TEMPLATE_MATCH_RESULT; p: like path)
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do
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request := req
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uri_template := tpl
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uri_template_match := tpl_res
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path := p
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end
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feature -- Access
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uri_template: URI_TEMPLATE
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uri_template_match: URI_TEMPLATE_MATCH_RESULT
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feature -- Query
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path_parameter (a_name: READABLE_STRING_GENERAL): detachable WGI_VALUE
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do
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if attached uri_template_match.url_decoded_path_variable (a_name) as s then
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create {WGI_STRING_VALUE} Result.make (a_name, s)
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end
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end
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query_parameter (a_name: READABLE_STRING_GENERAL): detachable WGI_VALUE
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do
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if attached uri_template_match.url_decoded_query_variable (a_name) as s then
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create {WGI_STRING_VALUE} Result.make (a_name, s)
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else
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Result := request.query_parameter (a_name)
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end
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end
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note
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copyright: "2011-2011, Eiffel Software and others"
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license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
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source: "[
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Eiffel Software
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5949 Hollister Ave., Goleta, CA 93117 USA
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Telephone 805-685-1006, Fax 805-685-6869
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Website http://www.eiffel.com
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Customer support http://support.eiffel.com
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]"
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end
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@@ -0,0 +1,163 @@
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note
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description: "Summary description for {REQUEST_URI_TEMPLATE_ROUTER}."
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author: ""
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date: "$Date$"
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revision: "$Revision$"
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class
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REQUEST_URI_TEMPLATE_ROUTER [H -> REQUEST_HANDLER [C], C -> REQUEST_URI_TEMPLATE_HANDLER_CONTEXT create make end]
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inherit
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REQUEST_ROUTER [H, C]
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create
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make
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feature -- Initialization
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make (n: INTEGER)
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do
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create handlers.make (n)
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create templates.make (n)
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handlers.compare_objects
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end
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feature -- Registration
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map_with_uri_template (uri: URI_TEMPLATE; h: H)
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do
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map_with_uri_template_and_request_methods (uri, h, Void)
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end
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map_with_uri_template_and_request_methods (uri: URI_TEMPLATE; h: H; rqst_methods: detachable ARRAY [READABLE_STRING_8])
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do
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handlers.force ([h, uri.template, formatted_request_methods (rqst_methods)])
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templates.force (uri, uri.template)
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end
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map_with_request_methods (tpl: READABLE_STRING_8; h: H; rqst_methods: detachable ARRAY [READABLE_STRING_8])
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local
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uri: URI_TEMPLATE
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do
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create uri.make (tpl)
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map_with_uri_template_and_request_methods (uri, h, rqst_methods)
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end
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feature {NONE} -- Access: Implementation
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handler (req: WGI_REQUEST): detachable TUPLE [handler: attached like default_handler; context: like default_handler_context]
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local
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l_handlers: like handlers
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t: STRING
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p: STRING
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l_req_method: READABLE_STRING_GENERAL
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l_res: URI_TEMPLATE_MATCH_RESULT
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do
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p := req.request_uri
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from
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l_req_method := req.request_method
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l_handlers := handlers
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l_handlers.start
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until
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l_handlers.after or Result /= Void
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loop
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if attached l_handlers.item as l_info then
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if is_matching_request_methods (l_req_method, l_info.request_methods) then
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t := l_info.resource
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if
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attached {REQUEST_ROUTING_HANDLER [H, C]} l_info.handler as rah and then
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p.starts_with (t)
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then
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create l_res.make_empty
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l_res.path_variables.force (p.substring (t.count, p.count), "path")
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Result := [l_info.handler, handler_context (p, req, create {URI_TEMPLATE}.make (t), l_res)]
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elseif attached templates.item (t) as tpl and then
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attached tpl.match (p) as res
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then
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Result := [l_info.handler, handler_context (p, req, tpl, res)]
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end
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end
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end
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l_handlers.forth
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end
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end
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feature {NONE} -- Context factory
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handler_context (p: detachable STRING; req: WGI_REQUEST; tpl: URI_TEMPLATE; tpl_res: URI_TEMPLATE_MATCH_RESULT): C
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do
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if p /= Void then
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create Result.make (req, tpl, tpl_res, p)
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else
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create Result.make (req, tpl, tpl_res, req.path_info)
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end
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end
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feature -- Access: ITERABLE
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new_cursor: ITERATION_CURSOR [TUPLE [handler: H; resource: READABLE_STRING_8; request_methods: detachable ARRAY [READABLE_STRING_8]]]
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-- Fresh cursor associated with current structure
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do
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Result := handlers.new_cursor
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end
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feature {NONE} -- Implementation
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handlers: ARRAYED_LIST [TUPLE [handler: H; resource: READABLE_STRING_8; request_methods: detachable ARRAY [READABLE_STRING_8]]]
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-- Handlers indexed by the template expression
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-- see `templates'
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templates: HASH_TABLE [URI_TEMPLATE, READABLE_STRING_8]
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-- URI Template indexed by the template expression
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context_path (a_path: STRING): STRING
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-- Prepared path from context which match requirement
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-- i.e: not empty, starting with '/'
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local
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p: INTEGER
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do
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Result := a_path
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if Result.is_empty then
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Result := "/"
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else
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if Result[1] /= '/' then
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Result := "/" + Result
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end
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p := Result.index_of ('.', 1)
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if p > 0 then
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Result := Result.substring (1, p - 1)
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end
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end
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ensure
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result_not_empty: not Result.is_empty
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end
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feature {NONE} -- Default: implementation
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default_handler: detachable H
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set_default_handler (h: like default_handler)
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do
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default_handler := h
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end
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default_handler_context (req: WGI_REQUEST): C
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local
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tpl: URI_TEMPLATE
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do
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create tpl.make ("/")
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Result := handler_context ("/", req, tpl, create {URI_TEMPLATE_MATCH_RESULT}.make_empty)
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end
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;note
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copyright: "2011-2011, Eiffel Software and others"
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license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
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source: "[
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Eiffel Software
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5949 Hollister Ave., Goleta, CA 93117 USA
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Telephone 805-685-1006, Fax 805-685-6869
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Website http://www.eiffel.com
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Customer support http://support.eiffel.com
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]"
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end
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@@ -0,0 +1,38 @@
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note
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description: "Summary description for {REQUEST_ROUTING_HANDLER}."
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author: ""
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date: "$Date$"
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revision: "$Revision$"
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class
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REQUEST_URI_TEMPLATE_ROUTING_HANDLER [H -> REQUEST_HANDLER [C],
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C -> REQUEST_URI_TEMPLATE_HANDLER_CONTEXT create make end]
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inherit
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REQUEST_ROUTING_HANDLER [H, C]
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create
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make
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feature {NONE} -- Initialization
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make (n: INTEGER)
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do
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create router.make (n)
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end
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feature {NONE} -- Routing
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router: REQUEST_URI_TEMPLATE_ROUTER [H, C]
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;note
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copyright: "2011-2011, Eiffel Software and others"
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license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
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source: "[
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Eiffel Software
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5949 Hollister Ave., Goleta, CA 93117 USA
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Telephone 805-685-1006, Fax 805-685-6869
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Website http://www.eiffel.com
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Customer support http://support.eiffel.com
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]"
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end
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