text: // Copyright (c) 2020 Marshall A. Greenblatt. All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are
  // met:
  //
  //    * Redistributions of source code must retain the above copyright
  // notice, this list of conditions and the following disclaimer.
  //    * 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.
  //    * Neither the name of Google Inc. nor the name Chromium Embedded
  // Framework nor the names of its contributors may be used to endorse
  // or promote products derived from this software without specific prior
  // written permission.
  //
  // 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.
  //
  // ---------------------------------------------------------------------------
  //
  // This file was generated by the CEF translator tool and should not edited
  // by hand. See the translator.README.txt file in the tools directory for
  // more information.
  //
  // $hash=bd5bbcdc385f83512bf64304e180f1a05b765c16$
  //
  
  #ifndef CEF_INCLUDE_CAPI_CEF_STREAM_CAPI_H_
  #define CEF_INCLUDE_CAPI_CEF_STREAM_CAPI_H_
  #pragma once
  
  #include "include/capi/cef_base_capi.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  ///
  // Structure the client can implement to provide a custom stream reader. The
  // functions of this structure may be called on any thread.
  ///
  typedef struct _cef_read_handler_t {
    ///
    // Base structure.
    ///
    cef_base_ref_counted_t base;
  
    ///
    // Read raw binary data.
    ///
    size_t(CEF_CALLBACK* read)(struct _cef_read_handler_t* self,
                               void* ptr,
                               size_t size,
                               size_t n);
  
    ///
    // Seek to the specified offset position. |whence| may be any one of SEEK_CUR,
    // SEEK_END or SEEK_SET. Return zero on success and non-zero on failure.
    ///
    int(CEF_CALLBACK* seek)(struct _cef_read_handler_t* self,
                            int64 offset,
                            int whence);
  
    ///
    // Return the current offset position.
    ///
    int64(CEF_CALLBACK* tell)(struct _cef_read_handler_t* self);
  
    ///
    // Return non-zero if at end of file.
    ///
    int(CEF_CALLBACK* eof)(struct _cef_read_handler_t* self);
  
    ///
    // Return true (1) if this handler performs work like accessing the file
    // system which may block. Used as a hint for determining the thread to access
    // the handler from.
    ///
    int(CEF_CALLBACK* may_block)(struct _cef_read_handler_t* self);
  } cef_read_handler_t;
  
  ///
  // Structure used to read data from a stream. The functions of this structure
  // may be called on any thread.
  ///
  typedef struct _cef_stream_reader_t {
    ///
    // Base structure.
    ///
    cef_base_ref_counted_t base;
  
    ///
    // Read raw binary data.
    ///
    size_t(CEF_CALLBACK* read)(struct _cef_stream_reader_t* self,
                               void* ptr,
                               size_t size,
                               size_t n);
  
    ///
    // Seek to the specified offset position. |whence| may be any one of SEEK_CUR,
    // SEEK_END or SEEK_SET. Returns zero on success and non-zero on failure.
    ///
    int(CEF_CALLBACK* seek)(struct _cef_stream_reader_t* self,
                            int64 offset,
                            int whence);
  
    ///
    // Return the current offset position.
    ///
    int64(CEF_CALLBACK* tell)(struct _cef_stream_reader_t* self);
  
    ///
    // Return non-zero if at end of file.
    ///
    int(CEF_CALLBACK* eof)(struct _cef_stream_reader_t* self);
  
    ///
    // Returns true (1) if this reader performs work like accessing the file
    // system which may block. Used as a hint for determining the thread to access
    // the reader from.
    ///
    int(CEF_CALLBACK* may_block)(struct _cef_stream_reader_t* self);
  } cef_stream_reader_t;
  
  ///
  // Create a new cef_stream_reader_t object from a file.
  ///
  CEF_EXPORT cef_stream_reader_t* cef_stream_reader_create_for_file(
      const cef_string_t* fileName);
  
  ///
  // Create a new cef_stream_reader_t object from data.
  ///
  CEF_EXPORT cef_stream_reader_t* cef_stream_reader_create_for_data(void* data,
                                                                    size_t size);
  
  ///
  // Create a new cef_stream_reader_t object from a custom handler.
  ///
  CEF_EXPORT cef_stream_reader_t* cef_stream_reader_create_for_handler(
      cef_read_handler_t* handler);
  
  ///
  // Structure the client can implement to provide a custom stream writer. The
  // functions of this structure may be called on any thread.
  ///
  typedef struct _cef_write_handler_t {
    ///
    // Base structure.
    ///
    cef_base_ref_counted_t base;
  
    ///
    // Write raw binary data.
    ///
    size_t(CEF_CALLBACK* write)(struct _cef_write_handler_t* self,
                                const void* ptr,
                                size_t size,
                                size_t n);
  
    ///
    // Seek to the specified offset position. |whence| may be any one of SEEK_CUR,
    // SEEK_END or SEEK_SET. Return zero on success and non-zero on failure.
    ///
    int(CEF_CALLBACK* seek)(struct _cef_write_handler_t* self,
                            int64 offset,
                            int whence);
  
    ///
    // Return the current offset position.
    ///
    int64(CEF_CALLBACK* tell)(struct _cef_write_handler_t* self);
  
    ///
    // Flush the stream.
    ///
    int(CEF_CALLBACK* flush)(struct _cef_write_handler_t* self);
  
    ///
    // Return true (1) if this handler performs work like accessing the file
    // system which may block. Used as a hint for determining the thread to access
    // the handler from.
    ///
    int(CEF_CALLBACK* may_block)(struct _cef_write_handler_t* self);
  } cef_write_handler_t;
  
  ///
  // Structure used to write data to a stream. The functions of this structure may
  // be called on any thread.
  ///
  typedef struct _cef_stream_writer_t {
    ///
    // Base structure.
    ///
    cef_base_ref_counted_t base;
  
    ///
    // Write raw binary data.
    ///
    size_t(CEF_CALLBACK* write)(struct _cef_stream_writer_t* self,
                                const void* ptr,
                                size_t size,
                                size_t n);
  
    ///
    // Seek to the specified offset position. |whence| may be any one of SEEK_CUR,
    // SEEK_END or SEEK_SET. Returns zero on success and non-zero on failure.
    ///
    int(CEF_CALLBACK* seek)(struct _cef_stream_writer_t* self,
                            int64 offset,
                            int whence);
  
    ///
    // Return the current offset position.
    ///
    int64(CEF_CALLBACK* tell)(struct _cef_stream_writer_t* self);
  
    ///
    // Flush the stream.
    ///
    int(CEF_CALLBACK* flush)(struct _cef_stream_writer_t* self);
  
    ///
    // Returns true (1) if this writer performs work like accessing the file
    // system which may block. Used as a hint for determining the thread to access
    // the writer from.
    ///
    int(CEF_CALLBACK* may_block)(struct _cef_stream_writer_t* self);
  } cef_stream_writer_t;
  
  ///
  // Create a new cef_stream_writer_t object for a file.
  ///
  CEF_EXPORT cef_stream_writer_t* cef_stream_writer_create_for_file(
      const cef_string_t* fileName);
  
  ///
  // Create a new cef_stream_writer_t object for a custom handler.
  ///
  CEF_EXPORT cef_stream_writer_t* cef_stream_writer_create_for_handler(
      cef_write_handler_t* handler);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif  // CEF_INCLUDE_CAPI_CEF_STREAM_CAPI_H_
  