150 lines
2.9 KiB
Plaintext
150 lines
2.9 KiB
Plaintext
note
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description: "[
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Response buffer
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]"
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specification: "EWSGI specification https://github.com/Eiffel-World/Eiffel-Web-Framework/wiki/EWSGI-specification"
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date: "$Date$"
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revision: "$Revision$"
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class
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EWSGI_RESPONSE_STREAM_BUFFER
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inherit
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EWSGI_RESPONSE_BUFFER
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create
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make
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feature {NONE} -- Initialization
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make (a_output: like output)
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do
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output := a_output
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end
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feature {EWSGI_APPLICATION} -- Commit
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commit
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-- Commit the current response
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do
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output.flush
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message_committed := True
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end
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feature -- Status report
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header_committed: BOOLEAN
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-- Header committed?
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message_committed: BOOLEAN
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-- Message committed?
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message_writable: BOOLEAN
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-- Can message be written?
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do
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Result := status_is_set and header_committed
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end
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feature {NONE} -- Core output operation
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write (s: STRING)
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-- Send the content of `s'
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-- this can be used for header and body
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do
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output.put_string (s)
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end
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feature -- Status setting
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status_is_set: BOOLEAN
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-- Is status set?
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do
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Result := status_code /= 0
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end
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set_status_code (a_code: INTEGER)
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-- Set response status code
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-- Should be done before sending any data back to the client
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do
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status_code := a_code
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output.put_status_line (a_code)
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end
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status_code: INTEGER
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-- Response status
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feature -- Header output operation
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write_headers_string (a_headers: STRING)
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do
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write (a_headers)
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header_committed := True
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end
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write_header (a_status_code: INTEGER; a_headers: detachable ARRAY [TUPLE [key: STRING; value: STRING]])
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-- Send headers with status `a_status', and headers from `a_headers'
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local
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h: EWF_HEADER
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i,n: INTEGER
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do
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set_status_code (a_status_code)
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create h.make
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h.put_status (a_status_code)
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if a_headers /= Void then
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from
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i := a_headers.lower
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n := a_headers.upper
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until
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i > n
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loop
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h.put_header_key_value (a_headers[i].key, a_headers[i].value)
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i := i + 1
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end
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end
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write_headers_string (h.string)
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end
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feature -- Output operation
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write_string (s: STRING)
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-- Send the string `s'
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do
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write (s)
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end
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write_substring (s: STRING; start_index, end_index: INTEGER)
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-- Send the substring `start_index:end_index]'
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--| Could be optimized according to the target output
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do
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output.put_substring (s, start_index, end_index)
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end
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write_file_content (fn: STRING)
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-- Send the content of file `fn'
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do
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output.put_file_content (fn)
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end
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flush
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do
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output.flush
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end
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feature {NONE} -- Implementation: Access
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output: EWSGI_OUTPUT_STREAM
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-- Server output channel
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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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