-
Notifications
You must be signed in to change notification settings - Fork 4
/
DJITxtParser.hh
65 lines (50 loc) · 2.47 KB
/
DJITxtParser.hh
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
/**********
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
**********/
/*
A C++ program to parse DJI's ".txt" log files (recorded by the "DJI Go 4" app).
Version 2019-02-08
Copyright (c) 2019 Live Networks, Inc. All rights reserved.
For the latest version of this program (and more information), visit http://djilogs.live555.com
General parsing routines, and parser base class.
Header File.
*/
#ifndef _DJI_TXT_PARSER_HH
#define _DJI_TXT_PARSER_HH
#include <sys/types.h>
#include <stdlib.h>
// Uncomment the following line (then: make clean; make) to generate more debugging output:
//#define DEBUG_RECORD_PARSING 1
// In each of these routines, "limit" is 1 byte past the end of the usable data.
u_int8_t getByte(u_int8_t const*& ptr, u_int8_t const* limit = NULL);
u_int16_t get2BytesBE(u_int8_t const*& ptr, u_int8_t const* limit = NULL);
u_int16_t get2BytesLE(u_int8_t const*& ptr, u_int8_t const* limit = NULL);
unsigned getWord32BE(u_int8_t const*& ptr, u_int8_t const* limit = NULL);
unsigned getWord32LE(u_int8_t const*& ptr, u_int8_t const* limit = NULL);
u_int64_t getWord64LE(u_int8_t const*& ptr, u_int8_t const* limit = NULL);
// The following routines are used for debugging:
void printString(char const* label, u_int8_t const*& ptr, unsigned stringLength, u_int8_t const* limit = NULL);
void printHex(char const* label, u_int8_t const*& ptr, u_int8_t const* limit);
#define END_OF_DATA 1 // exception thrown if parsing unexpectedly reaches the end of the buffer
class DJITxtParser {
public:
static DJITxtParser* createNew();
protected:
DJITxtParser(); // called only by "createNew()"
public:
virtual ~DJITxtParser();
virtual void parseDetailsArea(u_int8_t const*& ptr, u_int8_t const* limit) = 0;
virtual int parseRecord(u_int8_t const*& ptr, u_int8_t const* limit, int isScrambled) = 0;
virtual void outputOneRow(int outputColumnLabels = 0) = 0;
virtual void summarizeRecordParsing() = 0;
};
#endif