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comparison Core/HttpServer/HttpContentNegociation.h @ 1783:dbb07eb1a2f3

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reorganization
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 18 Nov 2015 09:15:30 +0100
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children b1291df2f780
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1782:9f2df9bb2cdf 1783:dbb07eb1a2f3
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * In addition, as a special exception, the copyright holders of this
12 * program give permission to link the code of its release with the
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
14 * that use the same license as the "OpenSSL" library), and distribute
15 * the linked executables. You must obey the GNU General Public License
16 * in all respects for all of the code used other than "OpenSSL". If you
17 * modify file(s) with this exception, you may extend this exception to
18 * your version of the file(s), but you are not obligated to do so. If
19 * you do not wish to do so, delete this exception statement from your
20 * version. If you delete this exception statement from all source files
21 * in the program, then also delete it here.
22 *
23 * This program is distributed in the hope that it will be useful, but
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 * General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 **/
31
32 #pragma once
33
34 #include <memory>
35 #include <boost/noncopyable.hpp>
36 #include <map>
37 #include <list>
38 #include <string>
39 #include <vector>
40 #include <stdint.h>
41
42
43 namespace Orthanc
44 {
45 class HttpContentNegociation : public boost::noncopyable
46 {
47 public:
48 typedef std::map<std::string, std::string> HttpHeaders;
49
50 class IHandler : public boost::noncopyable
51 {
52 public:
53 virtual ~IHandler()
54 {
55 }
56
57 virtual void Handle(const std::string& type,
58 const std::string& subtype) = 0;
59 };
60
61 private:
62 struct Handler
63 {
64 std::string type_;
65 std::string subtype_;
66 IHandler& handler_;
67
68 Handler(const std::string& type,
69 const std::string& subtype,
70 IHandler& handler);
71
72 bool IsMatch(const std::string& type,
73 const std::string& subtype) const;
74
75 void Call() const
76 {
77 handler_.Handle(type_, subtype_);
78 }
79 };
80
81
82 struct Reference;
83
84 typedef std::vector<std::string> Tokens;
85 typedef std::list<Handler> Handlers;
86
87 Handlers handlers_;
88
89
90 static bool SplitPair(std::string& first /* out */,
91 std::string& second /* out */,
92 const std::string& source,
93 char separator);
94
95 static float GetQuality(const Tokens& parameters);
96
97 static void SelectBestMatch(std::auto_ptr<Reference>& best,
98 const Handler& handler,
99 const std::string& type,
100 const std::string& subtype,
101 float quality);
102
103 public:
104 void Register(const std::string& mime,
105 IHandler& handler);
106
107 bool Apply(const HttpHeaders& headers);
108
109 bool Apply(const std::string& accept);
110 };
111 }