/usr/include/phonenumbers/callback.h is in libphonenumber6-dev 6.3~svn698-3+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | // Copyright (C) 2012 The Libphonenumber Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Author: Philippe Liard.
//
// Light implementation emulating base/callback.h. This is an internal header,
// users should not depend on it.
// Note that this implementation is very limited for now and
// libphonenumber-specific.
#ifndef I18N_PHONENUMBERS_CALLBACK_H_
#define I18N_PHONENUMBERS_CALLBACK_H_
namespace i18n {
namespace phonenumbers {
template <typename R, typename A1, typename A2, typename A3, typename A4>
class ResultCallback4 {
public:
virtual ~ResultCallback4() {}
virtual R Run(A1 a1, A2 a2, A3 a3, A4 a4) = 0;
};
template <typename R, typename A1, typename A2, typename A3, typename A4>
class FunctionCallback4 : public ResultCallback4<R, A1, A2, A3, A4> {
public:
typedef R (FunctionType)(A1, A2, A3, A4);
explicit FunctionCallback4(FunctionType* function) : function_(function) {}
virtual ~FunctionCallback4() {}
virtual R Run(A1 a1, A2 a2, A3 a3, A4 a4) {
return function_(a1, a2, a3, a4);
}
private:
FunctionType* const function_;
};
template <typename T, typename R, typename A1, typename A2, typename A3,
typename A4>
class ConstMethodCallback4 : public ResultCallback4<R, A1, A2, A3, A4> {
public:
typedef R (T::*MethodType)(A1, A2, A3, A4) const;
ConstMethodCallback4(const T* instance, MethodType method)
: instance_(instance),
method_(method) {}
virtual ~ConstMethodCallback4() {}
virtual R Run(A1 a1, A2 a2, A3 a3, A4 a4) {
return (instance_->*method_)(a1, a2, a3, a4);
}
private:
const T* const instance_;
MethodType const method_;
};
template <typename R, typename A1, typename A2, typename A3, typename A4>
ResultCallback4<R, A1, A2, A3, A4>* NewPermanentCallback(
R (*function)(A1, A2, A3, A4)) {
return new FunctionCallback4<R, A1, A2, A3, A4>(function);
}
template <typename T, typename R, typename A1, typename A2, typename A3,
typename A4>
ResultCallback4<R, A1, A2, A3, A4>* NewPermanentCallback(
const T* instance,
R (T::*method)(A1, A2, A3, A4) const) {
return new ConstMethodCallback4<T, R, A1, A2, A3, A4>(instance, method);
}
} // namespace phonenumbers
} // namespace i18n
#endif // I18N_PHONENUMBERS_CALLBACK_H_
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