postprocessor.h

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/*
     This file is part of libmicrohttpd
     Copyright (C) 2007-2022 Daniel Pittman, Christian Grothoff, and Evgeny Grin

     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) any later version.

     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.

     You should have received a copy of the GNU Lesser General Public
     License along with this library; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef MHD_POSTPROCESSOR_H
#define MHD_POSTPROCESSOR_H 1
#include "internal.h"

enum PP_State
{
  /* general states */
  PP_Error,
  PP_Done,
  PP_Init,
  PP_NextBoundary,

  /* url encoding-states */
  PP_ProcessKey,
  PP_ProcessValue,
  PP_Callback,

  /* post encoding-states  */
  PP_ProcessEntryHeaders,
  PP_PerformCheckMultipart,
  PP_ProcessValueToBoundary,
  PP_PerformCleanup,

  /* nested post-encoding states */
  PP_Nested_Init,
  PP_Nested_PerformMarking,
  PP_Nested_ProcessEntryHeaders,
  PP_Nested_ProcessValueToBoundary,
  PP_Nested_PerformCleanup

};


enum RN_State
{
  RN_Inactive = 0,

  RN_OptN = 1,

  RN_Full = 2,

  RN_Dash = 3,

  RN_Dash2 = 4
};


enum NE_State
{
  NE_none = 0,
  NE_content_name = 1,
  NE_content_type = 2,
  NE_content_filename = 4,
  NE_content_transfer_encoding = 8
};


struct MHD_PostProcessor
{

  struct MHD_Connection *connection;

  MHD_PostDataIterator ikvi;

  void *cls;

  const char *encoding;

  const char *boundary;

  char *nested_boundary;

  char *content_name;

  char *content_type;

  char *content_filename;

  char *content_transfer_encoding;

  char xbuf[2];

  size_t buffer_size;

  size_t buffer_pos;

  size_t xbuf_pos;

  uint64_t value_offset;

  size_t blen;

  size_t nlen;

  bool must_ikvi;

  bool must_unescape_key;

  enum PP_State state;

  enum RN_State skip_rn;

  enum PP_State dash_state;

  enum NE_State have;

};

#endif /* ! MHD_POSTPROCESSOR_H */