reorganized router library
This commit is contained in:
Jocelyn Fiat
@@ -0,0 +1,45 @@
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note
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description: "Summary description for {REQUEST_URI_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_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; p: like path)
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do
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request := req
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path := p
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end
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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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end
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query_parameter (a_name: READABLE_STRING_GENERAL): detachable WGI_VALUE
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do
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Result := request.query_parameter (a_name)
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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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194
library/server/request/router/src/uri/request_uri_router.e
Normal file
194
library/server/request/router/src/uri/request_uri_router.e
Normal file
@@ -0,0 +1,194 @@
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note
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description: "Summary description for {REQUEST_URI_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_ROUTER [H -> REQUEST_HANDLER [C], C -> REQUEST_URI_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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handlers.compare_objects
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end
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feature -- Registration
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map_with_request_methods (p: READABLE_STRING_8; h: H; rqst_methods: detachable ARRAY [READABLE_STRING_8])
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do
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handlers.force ([h, p, formatted_request_methods (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: H; context: like default_handler_context]
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local
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h: detachable H
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ctx: detachable like default_handler_context
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do
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h := handler_by_path (req.path_info, req.request_method)
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if h = Void then
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if attached smart_handler_by_path (req.path_info, req.request_method) as info then
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h := info.handler
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ctx := handler_context (info.path, req)
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end
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end
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if h /= Void then
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if h.is_valid_context (req) then
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if ctx = Void then
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ctx := handler_context (Void, req)
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end
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Result := [h, ctx]
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else
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Result := Void
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end
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end
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end
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smart_handler (req: WGI_REQUEST): detachable TUPLE [path: READABLE_STRING_8; handler: H]
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require
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req_valid: req /= Void and then req.path_info /= Void
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do
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Result := smart_handler_by_path (req.path_info, req.request_method)
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ensure
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req_path_info_unchanged: req.path_info.same_string (old req.path_info)
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end
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handler_by_path (a_path: READABLE_STRING_GENERAL; rqst_method: READABLE_STRING_GENERAL): detachable H
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require
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a_path_valid: a_path /= Void
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local
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l_handlers: like handlers
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l_item: like handlers.item
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do
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l_handlers := handlers
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from
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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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l_item := l_handlers.item
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if is_matching_request_methods (rqst_method, l_item.request_methods) and a_path.same_string (l_item.resource) then
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Result := l_item.handler
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end
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l_handlers.forth
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end
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ensure
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a_path_unchanged: a_path.same_string (old a_path)
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end
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smart_handler_by_path (a_path: READABLE_STRING_8; rqst_method: READABLE_STRING_GENERAL): detachable TUPLE [path: READABLE_STRING_8; handler: H]
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require
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a_path_valid: a_path /= Void
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local
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p: INTEGER
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l_context_path, l_path: READABLE_STRING_8
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h: detachable H
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do
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l_context_path := context_path (a_path)
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from
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p := l_context_path.count + 1
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until
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p <= 1 or Result /= Void
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loop
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l_path := l_context_path.substring (1, p - 1)
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h := handler_by_path (l_path, rqst_method)
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if h /= Void then
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Result := [l_path, h]
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else
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p := l_context_path.last_index_of ('/', p - 1)
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end
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variant
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p
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end
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ensure
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a_path_unchanged: a_path.same_string (old a_path)
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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): C
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local
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ctx: C
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do
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if p /= Void then
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create ctx.make (req, p)
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else
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create ctx.make (req, req.path_info)
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end
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Result := ctx
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end
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feature -- Access
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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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context_path (a_path: READABLE_STRING_8): READABLE_STRING_8
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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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s: STRING_8
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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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create s.make_from_string (Result)
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s.prepend_character ('/')
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Result := s
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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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do
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Result := handler_context (Void, req)
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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_ROUTING_HANDLER [H -> REQUEST_HANDLER [C],
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C -> REQUEST_URI_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_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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