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msgpck.h
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msgpck.h
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/**
* Copyright (C) 2014 SINTEF <nicolas.harrand@gmail.com>
*
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE, Version 3, 29 June 2007;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.gnu.org/licenses/lgpl-3.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef heads_msgpck_h
#define heads_msgpck_h
#include "Arduino.h"
// ************************** Look up *****************************/
/**
* Function: msgpck_what_next
* Description: Look at Stream s's buffer and return the type of the first data in it.
*
* Parameter: Stream * s : input stream.
*
* return: type among:
* - msgpck_empty 0xff
* - msgpck_nil 0xc0
* - msgpck_bool 0xc2
* - msgpck_uint 0xcc
* - msgpck_sint 0xd0
* - msgpck_float 0xca
* - msgpck_string 0xd9
* - msgpck_bin 0xc4
* - msgpck_ext 0xc7
* - msgpck_array 0xdc
* - msgpck_map 0xde
* - msgpck_unknown 0x00
*
*/
uint8_t msgpck_what_next(Stream * s);
/**
* Function: msgpck_nil_next
* Description: Look at Stream s's buffer and return the type of the first data in it.
*
* Parameter: Stream * s : input stream.
*
* return: true if next data is nil, false if not
*
*/
bool msgpck_nil_next(Stream * s);
/**
* Function: msgpck_bool_next
* Description: Look at Stream s's buffer and return the type of the first data in it.
*
* Parameter: Stream * s : input stream.
*
* return: true if next data is a bool, false if not
*
*/
bool msgpck_bool_next(Stream * s);
/**
* Function: msgpck_integer_next
* Description: Look at Stream s's buffer and return the type of the first data in it.
*
* Parameter: Stream * s : input stream.
*
* return: true if next data is an integer (signed or not), false if not
*
*/
bool msgpck_integer_next(Stream * s);
/**
* Function: msgpck_signed_next
* Description: Look at Stream s's buffer and return the type of the first data in it.
*
* Parameter: Stream * s : input stream.
*
* return: true if next data is a signed integer, false if not
*
*/
bool msgpck_signed_next(Stream * s);
/**
* Function: msgpck_float_next
* Description: Look at Stream s's buffer and return the type of the first data in it.
*
* Parameter: Stream * s : input stream.
*
* return: true if next data is a float (on 4 bytes), false if not
*
*/
bool msgpck_float_next(Stream * s);
/**
* Function: msgpck_string_next
* Description: Look at Stream s's buffer and return the type of the first data in it.
*
* Parameter: Stream * s : input stream.
*
* return: true if next data is a String, false if not
*
*/
bool msgpck_string_next(Stream * s);
/**
* Function: msgpck_bin_next
* Description: Look at Stream s's buffer and return the type of the first data in it.
*
* Parameter: Stream * s : input stream.
*
* return: true if next data is a binary format, false if not
*
*/
bool msgpck_bin_next(Stream * s);
/**
* Function: msgpck_array_next
* Description: Look at Stream s's buffer and return the type of the first data in it.
*
* Parameter: Stream * s : input stream.
*
* return: true if next data is an array, false if not
*
*/
bool msgpck_array_next(Stream * s);
/**
* Function: msgpck_map_next
* Description: Look at Stream s's buffer and return the type of the first data in it.
*
* Parameter: Stream * s : input stream.
*
* return: true if next data is a map, false if not
*
*/
bool msgpck_map_next(Stream * s);
// ************************** Readers *****************************/
/**
* Function: msgpck_read_nil
* Description: Read the first data of Stream s's buffer if it is a nil.
*
* Parameter: Stream * s : input stream.
*
* return: true if next data has been read correctly, false if not
*
*/
bool msgpck_read_nil(Stream * s);
/**
* Function: msgpck_read_bool
* Description: Read the first data of Stream s's buffer if it is a bool.
*
* Parameter: Stream * s : input stream.
* bool * b: pointer to the read value.
*
* return: true if next data has been read correctly, false if not
*
*/
bool msgpck_read_bool(Stream * s, bool *b);
/**
* Function: msgpck_read_integer
* Description: Read the first data of Stream s's buffer if it is an integer.
*
* Parameter: Stream * s : input stream.
* byte * b: pointer to the read value.
* uint8_t max_size: max size in byte of the expected value.
*
* return: true if next data has been read correctly, false if not
*
*/
bool msgpck_read_integer(Stream * s, byte *b, uint8_t max_size);
/**
* Function: msgpck_read_float
* Description: Read the first data of Stream s's buffer if it is a float.
*
* Parameter: Stream * s : input stream.
* float * f: pointer to the read value.
*
* return: true if next data has been read correctly, false if not
*
*/
bool msgpck_read_float(Stream * s, float *f);
/**
* Function: msgpck_read_string
* Description: Read the first data of Stream s's buffer if it is a string.
*
* Parameter: Stream * s : input stream.
* char * str: pointer to the read value.
* uint32_t max_size: max size in byte of the expected value.
* uint32_t *str_size: pointer to the actual size of the read string
*
* return: true if next data has been read correctly, false if not
*
*/
bool msgpck_read_string(Stream * s, char * str, uint32_t max_size, uint32_t *str_size);
/**
* Function: msgpck_read_string
* Description: Read the first data of Stream s's buffer if it is a string.
*
* Parameter: Stream * s : input stream.
* Print * : output device
*
* return: true if next data has been read correctly, false if not
*
*/
bool msgpck_read_string(Stream * s, Print * p);
/**
* Function: msgpck_read_string
* Description: Read the first data of Stream s's buffer if it is a string.
*
* Parameter: Stream * s : input stream.
* char * str: pointer to the read value.
* uint32_t max_size: max size in byte of the expected value.
*
* return: true if next data has been read correctly, false if not
*
*/
bool msgpck_read_string(Stream * s, char * str, uint32_t max_size);
/**
* Function: msgpck_read_bin
* Description: Read the first data of Stream s's buffer if it is a bin.
*
* Parameter: Stream * s : input stream.
* byte * bin: pointer to the read value.
* uint32_t max_size: max size in byte of the expected value.
* uint32_t *str_size: pointer to the actual size of the read bin
*
* return: true if next data has been read correctly, false if not
*
*/
bool msgpck_read_bin(Stream * s, byte * bin, uint32_t max_size, uint32_t *bin_size);
/**
* Function: msgpck_read_bin
* Description: Read the first data of Stream s's buffer if it is a bin.
*
* Parameter: Stream * s : input stream.
* byte * bin: pointer to the read value.
* uint32_t max_size: max size in byte of the expected value.
*
* return: true if next data has been read correctly, false if not
*
*/
bool msgpck_read_bin(Stream * s, byte * bin, uint32_t max_size);
/**
* Function: msgpck_read_bin
* Description: Read the first data of Stream s's buffer if it is a bin.
*
* Parameter: Stream * s : input stream.
* Print * s : output device.
*
* return: true if next data has been read correctly, false if not
*
*/
bool msgpck_read_bin(Stream * s, Print * p);
/**
* Function: msgpck_read_bin_human
* Description: Read the first data of Stream s's buffer if it is a bin.
* Data are formatted into a string where each bytes are prefixed with
* 0x...
*
* Parameter: Stream * s : input stream.
* Print * s : output device.
*
* return: true if next data has been read correctly, false if not
*
*/
bool msgpck_read_bin_human(Stream * s, Print * p);
/**
* Function: msgpck_read_array_size
* Description: Read the header of the incoming array.
*
* Parameter: Stream * s : input stream.
* uint32_t * array_size: pointer to the read size of the incoming array
*
* return: true if next data has been read correctly, false if not
*
*/
bool msgpck_read_array_size(Stream * s, uint32_t * array_size);
/**
* Function: msgpck_read_map_size
* Description: Read the header of the incoming map.
*
* Parameter: Stream * s : input stream.
* uint32_t * map_size: pointer to the read size of the incoming map
*
* Warning: map_size will contain the number of pair (key, element)
*
* return: true if next data has been read correctly, false if not
*
*/
bool msgpck_read_map_size(Stream * s, uint32_t * map_size);
// ************************** Writers *****************************/
/**
* Function: msgpck_write_nil
* Description: Write nil on the output stream
*
* Parameter: Print * s : output stream.
*
*/
void msgpck_write_nil(Print * s);
/**
* Function: msgpck_write_bool
* Description: Write a bool data on the output stream
*
* Parameter: Print * s : output stream.
* bool b: bool value to write
*
*/
void msgpck_write_bool(Print * s, bool b);
/**
* Function: msgpck_write_integer
* Description: Write an integer data on the output stream
*
* Parameter: Print * s : output stream.
* uint8_t u: integer value to write
*
*/
void msgpck_write_integer(Print * s, uint8_t u);
/**
* Function: msgpck_write_integer
* Description: Write an integer data on the output stream
*
* Parameter: Print * s : output stream.
* uint16_t u: integer value to write
*
*/
void msgpck_write_integer(Print * s, uint16_t u);
/**
* Function: msgpck_write_integer
* Description: Write an integer data on the output stream
*
* Parameter: Print * s : output stream.
* uint32_t u: integer value to write
*
*/
void msgpck_write_integer(Print * s, uint32_t u);
/**
* Function: msgpck_write_integer
* Description: Write an integer data on the output stream
*
* Parameter: Print * s : output stream.
* uint64_t u: integer value to write
*
*/
void msgpck_write_integer(Print * s, uint64_t u);
/**
* Function: msgpck_write_integer
* Description: Write an integer data on the output stream
*
* Parameter: Print * s : output stream.
* int8_t i: integer value to write
*
*/
void msgpck_write_integer(Print * s, int8_t i);
/**
* Function: msgpck_write_integer
* Description: Write an integer data on the output stream
*
* Parameter: Print * s : output stream.
* int16_t i: integer value to write
*
*/
void msgpck_write_integer(Print * s, int16_t i);
/**
* Function: msgpck_write_integer
* Description: Write an integer data on the output stream
*
* Parameter: Print * s : output stream.
* int32_t i: integer value to write
*
*/
void msgpck_write_integer(Print * s, int32_t i);
/**
* Function: msgpck_write_integer
* Description: Write an integer data on the output stream
*
* Parameter: Print * s : output stream.
* int64_t i: integer value to write
*
*/
void msgpck_write_integer(Print * s, int64_t i);
/**
* Function: msgpck_write_float
* Description: Write a float data on the output stream
*
* Parameter: Print * s : output stream.
* float f: float value to write
*
*/
void msgpck_write_float(Print *s, float f);
/**
* Function: msgpck_write_string
* Description: Write string on the output stream
*
* Parameter: Print * s : output stream.
* char * str: a string to write
* uint32_t str_size: size of the string to write
*
*/
void msgpck_write_string(Print * s, char * str, uint32_t str_size);
/**
* Function: msgpck_write_string
* Description: Write a string on the output stream
*
* Parameter: Print * s : output stream.
* String str: string to write
*
*/
void msgpck_write_string(Print * s, String str);
/**
* Function: msgpck_write_bin
* Description: Write a bin data on the output stream
*
* Parameter: Print * s : output stream.
* byte * b: bin to write
* uint32_t bin_size: size of the bin to write
*
*/
void msgpck_write_bin(Print * s, byte * b, uint32_t bin_size);
/**
* Function: msgpck_write_array_header
* Description: Write the header of an array on the output stream
*
* Parameter: Print * s : output stream.
* uint32_t ar_size: numder of element in the array
*
*/
void msgpck_write_array_header(Print * s, uint32_t ar_size);
/**
* Function: msgpck_write_map_header
* Description: Write the header of a map on the output stream
*
* Parameter: Print * s : output stream.
* uint32_t ar_size: numder of pair (key, element) in the map
*
*/
void msgpck_write_map_header(Print * s, uint32_t map_size);
/**
* Function: msgpck_to_json
* Description: read messagepack data on the input and write json on the ouput
*
* Parameter: Print * output : output stream.
* Stream * input : input stream.
*
*/
void msgpck_to_json(Print * output, Stream * input);
#endif