All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Pages
PrependPipe.h
Go to the documentation of this file.
1 // Copyright 2015, 2016 Thomas Trapp
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef HEXT_PREPEND_PIPE_H_INCLUDED
16 #define HEXT_PREPEND_PIPE_H_INCLUDED
17 
18 /// @file
19 /// Declares hext::PrependPipe
20 
21 #include "hext/Cloneable.h"
22 #include "hext/StringPipe.h"
23 
24 #include <string>
25 
26 
27 namespace hext {
28 
29 
30 /// Prepends a given string to a string.
31 class PrependPipe final : public hext::Cloneable<PrependPipe, StringPipe>
32 {
33 public:
34  /// Constructs a PrependPipe.
35  ///
36  /// @param prefix: The string to prepend.
37  explicit PrependPipe(std::string prefix) noexcept;
38 
39  /// Prepends a given string to str.
40  std::string transform(std::string str) const override;
41 
42 private:
43  std::string prefix_;
44 };
45 
46 
47 } // namespace hext
48 
49 
50 #endif // HEXT_PREPEND_PIPE_H_INCLUDED
51 
Declares hext::StringPipe.
Curiously recurring template pattern that extends a base class to provide a virtual method Cloneable:...
Definition: Cloneable.h:34
PrependPipe(std::string prefix) noexcept
Constructs a PrependPipe.
Prepends a given string to a string.
Definition: PrependPipe.h:31
Defines template hext::Cloneable.
std::string transform(std::string str) const override
Prepends a given string to str.