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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2012 Tatsuhiro Tsujikawa
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef D_HTTP_HEADER_PROCESSOR_H
#define D_HTTP_HEADER_PROCESSOR_H
#include "common.h"
#include <utility>
#include <string>
#include <memory>
namespace aria2 {
class HttpHeader;
class HttpHeaderProcessor
{
public:
enum ParserMode {
CLIENT_PARSER,
SERVER_PARSER
};
HttpHeaderProcessor(ParserMode mode);
~HttpHeaderProcessor();
/**
* Parses incoming data. Returns true if end of header is reached.
* This function stops processing data when end of header is
* reached.
*/
bool parse(const unsigned char* data, size_t length);
bool parse(const std::string& data);
/**
* Retruns the number of bytes processed in the last invocation of
* parse().
*/
size_t getLastBytesProcessed() const;
/**
* Processes the received header as a http response header and
* returns HttpHeader object. This method transfers the ownership of
* resulting HttpHeader to the caller.
*/
std::unique_ptr<HttpHeader> getResult();
std::string getHeaderString() const;
/**
* Resets internal status and ready for next header processing.
*/
void clear();
private:
ParserMode mode_;
int state_;
size_t lastBytesProcessed_;
std::string buf_;
std::string lastFieldName_;
int lastFieldHdKey_;
std::unique_ptr<HttpHeader> result_;
std::string headers_;
};
} // namespace aria2
#endif // D_HTTP_HEADER_PROCESSOR_H
|
