| Brian Silverman | cbe6df2 | 2015-09-26 17:32:32 -0400 | [diff] [blame] | 1 | // 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 | #include <cstddef> |
| 37 | |
| 38 | |
| 39 | |
| 40 | namespace ctemplate { |
| 41 | |
| 42 | template <class T, class U> |
| 43 | const typename T::value_type* find_ptr0(const T& c, U v) |
| 44 | { |
| 45 | typename T::const_iterator i = c.find(v); |
| 46 | return i == c.end() ? NULL : &*i; |
| 47 | } |
| 48 | |
| 49 | template <class T, class U> |
| 50 | typename T::value_type::second_type* find_ptr(T& c, U v) |
| 51 | { |
| 52 | typename T::iterator i = c.find(v); |
| 53 | return i == c.end() ? NULL : &i->second; |
| 54 | } |
| 55 | |
| 56 | template <class T, class U> |
| 57 | const typename T::value_type::second_type* find_ptr(const T& c, U v) |
| 58 | { |
| 59 | typename T::const_iterator i = c.find(v); |
| 60 | return i == c.end() ? NULL : &i->second; |
| 61 | } |
| 62 | |
| 63 | template <class T, class U> |
| 64 | typename T::value_type::second_type find_ptr2(T& c, U v) |
| 65 | { |
| 66 | typename T::iterator i = c.find(v); |
| 67 | return i == c.end() ? NULL : i->second; |
| 68 | } |
| 69 | |
| 70 | template <class T, class U> |
| 71 | const typename T::value_type::second_type find_ptr2(const T& c, U v) |
| 72 | { |
| 73 | typename T::const_iterator i = c.find(v); |
| 74 | return i == c.end() ? NULL : i->second; |
| 75 | } |
| 76 | |
| 77 | } |
| 78 | |
| 79 | #endif // TEMPLATE_FIND_PTR_H_ |