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56 lines
1.8 KiB
56 lines
1.8 KiB
/*
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* Copyright 2011 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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/**
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* \file
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* MIME type sniffer interface
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*/
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#ifndef NETSURF_CONTENT_MIMESNIFF_H_
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#define NETSURF_CONTENT_MIMESNIFF_H_
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#include <stdbool.h>
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#include <libwapcaplet/libwapcaplet.h>
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#include "utils/errors.h"
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struct llcache_handle;
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/**
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* Compute the effective MIME type for an object
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*
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* The implementation uses the sniffing algorithm described in
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* http://mimesniff.spec.whatwg.org/
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*
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* \param content_type_header Source content type header
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* \param data First data chunk, or NULL
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* \param len Length of \a data, in bytes
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* \param sniff_allowed Whether MIME type sniffing is allowed
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* \param image_only Sniff image types only
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* \param effective_type Location to receive computed type
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* \return NSERROR_OK on success,
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* NSERROR_NEED_DATA iff \a data is NULL and data is needed
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* NSERROR_NOT_FOUND if sniffing is prohibited and no
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* Content-Type header was found
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*/
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nserror mimesniff_compute_effective_type(const char *content_type_header,
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const uint8_t *data, size_t len, bool sniff_allowed,
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bool image_only, lwc_string **effective_type);
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#endif
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