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comparison Core/HttpServer/StringMatcher.h @ 3398:4acd1431e603

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new classes: StringMatcher and MultipartStreamReader
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 07 Jun 2019 13:36:43 +0200
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children 630fc934597f
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3397:9019279dbfd7 3398:4acd1431e603
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) 2017-2019 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
34 #pragma once
35
36 #include <boost/noncopyable.hpp>
37 #include <boost/shared_ptr.hpp>
38 #include <string>
39
40 namespace Orthanc
41 {
42 // Convenience class that wraps a Boost algorithm for string matching
43 class StringMatcher : public boost::noncopyable
44 {
45 public:
46 typedef std::string::const_iterator Iterator;
47
48 private:
49 class Search;
50
51 // WARNING - The lifetime of "pattern_" must be larger than
52 // "search_", as the latter references "pattern_"
53 boost::shared_ptr<Search> search_; // PImpl pattern
54 std::string pattern_;
55 bool valid_;
56 Iterator matchBegin_;
57 Iterator matchEnd_;
58
59 public:
60 StringMatcher(const std::string& pattern);
61
62 const std::string& GetPattern() const
63 {
64 return pattern_;
65 }
66
67 bool IsValid() const
68 {
69 return valid_;
70 }
71
72 bool Apply(Iterator start,
73 Iterator end);
74
75 bool Apply(const std::string& corpus)
76 {
77 return Apply(corpus.begin(), corpus.end());
78 }
79
80 Iterator GetMatchBegin() const;
81
82 Iterator GetMatchEnd() const;
83
84 const char* GetPointerBegin() const;
85
86 const char* GetPointerEnd() const;
87 };
88 }