111 lines
4.6 KiB
C
111 lines
4.6 KiB
C
// Copyright (c) 2022 Marshall A. Greenblatt. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ---------------------------------------------------------------------------
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//
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// This file was generated by the CEF translator tool and should not edited
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// by hand. See the translator.README.txt file in the tools directory for
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// more information.
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//
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// $hash=cbcb379f7ed86b58e271089a4117267a50f72814$
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//
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#ifndef CEF_INCLUDE_CAPI_CEF_RESPONSE_FILTER_CAPI_H_
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#define CEF_INCLUDE_CAPI_CEF_RESPONSE_FILTER_CAPI_H_
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#pragma once
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#include "include/capi/cef_base_capi.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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///
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/// Implement this structure to filter resource response content. The functions
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/// of this structure will be called on the browser process IO thread.
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///
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typedef struct _cef_response_filter_t {
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///
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/// Base structure.
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///
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cef_base_ref_counted_t base;
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///
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/// Initialize the response filter. Will only be called a single time. The
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/// filter will not be installed if this function returns false (0).
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///
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int(CEF_CALLBACK* init_filter)(struct _cef_response_filter_t* self);
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///
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/// Called to filter a chunk of data. Expected usage is as follows:
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///
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/// 1. Read input data from |data_in| and set |data_in_read| to the number of
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/// bytes that were read up to a maximum of |data_in_size|. |data_in| will
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/// be NULL if |data_in_size| is zero.
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/// 2. Write filtered output data to |data_out| and set |data_out_written| to
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/// the number of bytes that were written up to a maximum of
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/// |data_out_size|. If no output data was written then all data must be
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/// read from |data_in| (user must set |data_in_read| = |data_in_size|).
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/// 3. Return RESPONSE_FILTER_DONE if all output data was written or
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/// RESPONSE_FILTER_NEED_MORE_DATA if output data is still pending.
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///
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/// This function will be called repeatedly until the input buffer has been
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/// fully read (user sets |data_in_read| = |data_in_size|) and there is no
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/// more input data to filter (the resource response is complete). This
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/// function may then be called an additional time with an NULL input buffer
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/// if the user filled the output buffer (set |data_out_written| =
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/// |data_out_size|) and returned RESPONSE_FILTER_NEED_MORE_DATA to indicate
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/// that output data is still pending.
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///
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/// Calls to this function will stop when one of the following conditions is
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/// met:
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///
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/// 1. There is no more input data to filter (the resource response is
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/// complete) and the user sets |data_out_written| = 0 or returns
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/// RESPONSE_FILTER_DONE to indicate that all data has been written, or;
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/// 2. The user returns RESPONSE_FILTER_ERROR to indicate an error.
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///
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/// Do not keep a reference to the buffers passed to this function.
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///
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cef_response_filter_status_t(CEF_CALLBACK* filter)(
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struct _cef_response_filter_t* self,
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void* data_in,
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size_t data_in_size,
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size_t* data_in_read,
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void* data_out,
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size_t data_out_size,
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size_t* data_out_written);
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} cef_response_filter_t;
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#ifdef __cplusplus
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}
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#endif
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#endif // CEF_INCLUDE_CAPI_CEF_RESPONSE_FILTER_CAPI_H_
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