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comparison OrthancFramework/Sources/HttpServer/HttpContentNegociation.h @ 4044:d25f4c0fa160 framework

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splitting code into OrthancFramework and OrthancServer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 10 Jun 2020 20:30:34 +0200
parents Core/HttpServer/HttpContentNegociation.h@f9863630ec7f
children bf7b9edf6b81
comparison
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4043:6c6239aec462 4044:d25f4c0fa160
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
11 *
12 * In addition, as a special exception, the copyright holders of this
13 * program give permission to link the code of its release with the
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
15 * that use the same license as the "OpenSSL" library), and distribute
16 * the linked executables. You must obey the GNU General Public License
17 * in all respects for all of the code used other than "OpenSSL". If you
18 * modify file(s) with this exception, you may extend this exception to
19 * your version of the file(s), but you are not obligated to do so. If
20 * you do not wish to do so, delete this exception statement from your
21 * version. If you delete this exception statement from all source files
22 * in the program, then also delete it here.
23 *
24 * This program is distributed in the hope that it will be useful, but
25 * WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 * General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
31 **/
32
33 #pragma once
34
35 #include "../OrthancFramework.h"
36 #include "../Compatibility.h"
37
38 #include <memory>
39 #include <boost/noncopyable.hpp>
40 #include <map>
41 #include <list>
42 #include <string>
43 #include <vector>
44 #include <stdint.h>
45
46
47 namespace Orthanc
48 {
49 class ORTHANC_PUBLIC HttpContentNegociation : public boost::noncopyable
50 {
51 public:
52 typedef std::map<std::string, std::string> HttpHeaders;
53
54 class IHandler : public boost::noncopyable
55 {
56 public:
57 virtual ~IHandler()
58 {
59 }
60
61 virtual void Handle(const std::string& type,
62 const std::string& subtype) = 0;
63 };
64
65 private:
66 struct Handler
67 {
68 std::string type_;
69 std::string subtype_;
70 IHandler& handler_;
71
72 Handler(const std::string& type,
73 const std::string& subtype,
74 IHandler& handler);
75
76 bool IsMatch(const std::string& type,
77 const std::string& subtype) const;
78
79 void Call() const
80 {
81 handler_.Handle(type_, subtype_);
82 }
83 };
84
85
86 struct Reference;
87
88 typedef std::vector<std::string> Tokens;
89 typedef std::list<Handler> Handlers;
90
91 Handlers handlers_;
92
93
94 static bool SplitPair(std::string& first /* out */,
95 std::string& second /* out */,
96 const std::string& source,
97 char separator);
98
99 static float GetQuality(const Tokens& parameters);
100
101 static void SelectBestMatch(std::unique_ptr<Reference>& best,
102 const Handler& handler,
103 const std::string& type,
104 const std::string& subtype,
105 float quality);
106
107 public:
108 void Register(const std::string& mime,
109 IHandler& handler);
110
111 bool Apply(const HttpHeaders& headers);
112
113 bool Apply(const std::string& accept);
114 };
115 }