text: /*
   * Copyright (c) 2009-2014 Kazuho Oku, Tokuhiro Matsuno, Daisuke Murase,
   *                         Shigeo Mitsunari
   *
   * The software is licensed under either the MIT License (below) or the Perl
   * license.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to
   * deal in the Software without restriction, including without limitation the
   * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   * sell copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
   * IN THE SOFTWARE.
   */
  
  #ifndef picohttpparser_h
  #define picohttpparser_h
  
  #include <sys/types.h>
  
  #ifdef _MSC_VER
  #define ssize_t intptr_t
  #endif
  
  /* $Id: 67fd3ee74103ada60258d8a16e868f483abcca87 $ */
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /* contains name and value of a header (name == NULL if is a continuing line
   * of a multiline header */
  struct phr_header {
      const char *name;
      size_t name_len;
      const char *value;
      size_t value_len;
  };
  
  /* returns number of bytes consumed if successful, -2 if request is partial,
   * -1 if failed */
  //int phr_parse_request(const char *buf, size_t len, const char **method, size_t *method_len, const char **path, size_t *path_len,
  //                      int *minor_version, struct phr_header *headers, size_t *num_headers, size_t last_len);
  int phr_parse_request(const char *buf, size_t len, const char **path, size_t *path_len,
                        struct phr_header *headers, size_t *num_headers, size_t last_len);
  
  /* ditto */
  int phr_parse_response(const char *_buf, size_t len, int *minor_version, int *status, const char **msg, size_t *msg_len,
                         struct phr_header *headers, size_t *num_headers, size_t last_len);
  
  /* ditto */
  int phr_parse_headers(const char *buf, size_t len, struct phr_header *headers, size_t *num_headers, size_t last_len);
  
  /* should be zero-filled before start */
  struct phr_chunked_decoder {
      size_t bytes_left_in_chunk; /* number of bytes left in current chunk */
      char consume_trailer;       /* if trailing headers should be consumed */
      char _hex_count;
      char _state;
  };
  
  /* the function rewrites the buffer given as (buf, bufsz) removing the chunked-
   * encoding headers.  When the function returns without an error, bufsz is
   * updated to the length of the decoded data available.  Applications should
   * repeatedly call the function while it returns -2 (incomplete) every time
   * supplying newly arrived data.  If the end of the chunked-encoded data is
   * found, the function returns a non-negative number indicating the number of
   * octets left undecoded at the tail of the supplied buffer.  Returns -1 on
   * error.
   */
  ssize_t phr_decode_chunked(struct phr_chunked_decoder *decoder, char *buf, size_t *bufsz);
  
  /* returns if the chunked decoder is in middle of chunked data */
  int phr_decode_chunked_is_in_data(struct phr_chunked_decoder *decoder);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif
  