blob: 8e6fec57c9f334a510301c970038fdc52d336dda [file] [log] [blame]
Brian Silverman70325d62015-09-20 17:00:43 -04001// Copyright (c) 2012, Olaf van der Spek <olafvdspek@gmail.com>
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met:
7//
8// * Redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer.
10// * Redistributions in binary form must reproduce the above
11// copyright notice, this list of conditions and the following disclaimer
12// in the documentation and/or other materials provided with the
13// distribution.
14// * Neither the name of Google Inc. nor the names of its
15// contributors may be used to endorse or promote products derived from
16// this software without specific prior written permission.
17//
18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30// ---
31// Author: Olaf van der Spek <olafvdspek@gmail.com>
32
33#ifndef TEMPLATE_FIND_PTR_H_
34#define TEMPLATE_FIND_PTR_H_
35
36// NOTE: if you are statically linking the template library into your binary
37// (rather than using the template .dll), set '/D CTEMPLATE_DLL_DECL='
38// as a compiler flag in your project file to turn off the dllimports.
39#ifndef CTEMPLATE_DLL_DECL
40# define CTEMPLATE_DLL_DECL __declspec(dllimport)
41#endif
42
43namespace ctemplate {
44
45template <class T, class U>
46typename T::value_type::second_type* find_ptr(T& c, U v)
47{
48 typename T::iterator i = c.find(v);
49 return i == c.end() ? NULL : &i->second;
50}
51
52template <class T, class U>
53const typename T::value_type::second_type* find_ptr(const T& c, U v)
54{
55 typename T::const_iterator i = c.find(v);
56 return i == c.end() ? NULL : &i->second;
57}
58
59template <class T, class U>
60typename T::value_type::second_type find_ptr2(T& c, U v)
61{
62 typename T::iterator i = c.find(v);
63 return i == c.end() ? NULL : i->second;
64}
65
66template <class T, class U>
67const typename T::value_type::second_type find_ptr2(const T& c, U v)
68{
69 typename T::const_iterator i = c.find(v);
70 return i == c.end() ? NULL : i->second;
71}
72
73}
74
75#endif // TEMPLATE_FIND_PTR_H_