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http_hook.pl
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http_hook.pl
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/* Part of SWI-Prolog
Author: Jan Wielemaker
E-mail: [email protected]
WWW: http://www.swi-prolog.org
Copyright (c) 2008-2015, University of Amsterdam
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
:- module(http_hook,
[]).
/** <module> HTTP library hooks
Get the declarations of the HTTP package using
==
:- use_module(library(http/http_hook)).
==
@tbd This should be using include, but then it cannot be a module
and this would cause more overhead in SWI-Prolog
@tbd Complete this and document the hooks.
*/
/*******************************
* HTTP-PATH *
*******************************/
:- multifile http:location/3.
:- dynamic http:location/3.
/*******************************
* HTML-WRITE *
*******************************/
:- multifile
html_write:expand//1,
html_write:expand_attribute_value//1,
html_write:html_head_expansion/2,
html_write:layout/3.
/*******************************
* HTTP-DISPATCH *
*******************************/
:- multifile
http:authenticate/3.
/*******************************
* HTTP-PARAMETERS *
*******************************/
%! http:convert_parameter(+Type, +ValueIn, -ValueOut) is semidet.
%
% Hook to execute a step in the HTTP parameter conversion process.
%
% @see http_parameters:check_type/4.
:- multifile
http:convert_parameter/3.
/*******************************
* PROXIES *
*******************************/
%! http:http_connection_over_proxy(+Proxy, +URLParts, +Endpoint,
%! -StreamPair, +Options, -NewOptions).
%
% Try to connect to the host Endpoint via Proxy for the purposes
% of retrieving the resource identified by URLParts. Different
% options can be returned in NewOptions, which may be required if
% you have defined a non-standard proxy method in
% socket:proxy_for_url/3 (such as one requiring authentication)
:- multifile
http:http_connection_over_proxy/6.