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https://github.com/netsurf-browser/netsurf
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23698aecf8
As max-age is an optional directive, provide a means to determine if it is present and correct.
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/*
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* Copyright 2019 John-Mark Bell <jmb@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef NETSURF_UTILS_HTTP_CACHE_CONTROL_H_
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#define NETSURF_UTILS_HTTP_CACHE_CONTROL_H_
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#include <libwapcaplet/libwapcaplet.h>
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typedef struct http_cache_control http_cache_control;
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/**
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* Parse an HTTP Cache-Control header value
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*
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* \param header_value Header value to parse
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* \param result Pointer to location to receive result
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* \return NSERROR_OK on success,
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* NSERROR_NOMEM on memory exhaustion,
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* appropriate error otherwise
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*/
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nserror http_parse_cache_control(const char *header_value,
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http_cache_control **result);
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/**
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* Destroy a cache_control object
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*
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* \param victim Object to destroy
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*/
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void http_cache_control_destroy(http_cache_control *victim);
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/**
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* Determine if a valid max-age directive is present
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*
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* \param cc Object to inspect
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* \return Whether max-age is valid
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*/
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bool http_cache_control_has_max_age(http_cache_control *cc);
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/**
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* Get the value of a cache control's max-age
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*
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* \param cc Object to inspect
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* \return Max age, in delta-seconds
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*/
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uint32_t http_cache_control_max_age(http_cache_control *cc);
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/**
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* Get the value of a cache control's no-cache flag
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*
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* \param cc Object to inspect
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* \return Whether caching is forbidden
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*/
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bool http_cache_control_no_cache(http_cache_control *cc);
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/**
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* Get the value of a cache control's no-store flag
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*
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* \param cc Object to inspect
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* \return Whether persistent caching is forbidden
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*/
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bool http_cache_control_no_store(http_cache_control *cc);
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#endif
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