xref: /aosp_15_r20/art/libartbase/base/to_str.h (revision 795d594fd825385562da6b089ea9b2033f3abf5a)
1*795d594fSAndroid Build Coastguard Worker /*
2*795d594fSAndroid Build Coastguard Worker  * Copyright (C) 2011 The Android Open Source Project
3*795d594fSAndroid Build Coastguard Worker  *
4*795d594fSAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*795d594fSAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*795d594fSAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*795d594fSAndroid Build Coastguard Worker  *
8*795d594fSAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*795d594fSAndroid Build Coastguard Worker  *
10*795d594fSAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*795d594fSAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*795d594fSAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*795d594fSAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*795d594fSAndroid Build Coastguard Worker  * limitations under the License.
15*795d594fSAndroid Build Coastguard Worker  */
16*795d594fSAndroid Build Coastguard Worker 
17*795d594fSAndroid Build Coastguard Worker #ifndef ART_LIBARTBASE_BASE_TO_STR_H_
18*795d594fSAndroid Build Coastguard Worker #define ART_LIBARTBASE_BASE_TO_STR_H_
19*795d594fSAndroid Build Coastguard Worker 
20*795d594fSAndroid Build Coastguard Worker #include <sstream>
21*795d594fSAndroid Build Coastguard Worker 
22*795d594fSAndroid Build Coastguard Worker namespace art {
23*795d594fSAndroid Build Coastguard Worker 
24*795d594fSAndroid Build Coastguard Worker // Helps you use operator<< in a const char*-like context such as our various 'F' methods with
25*795d594fSAndroid Build Coastguard Worker // format strings.
26*795d594fSAndroid Build Coastguard Worker template<typename T>
27*795d594fSAndroid Build Coastguard Worker class ToStr {
28*795d594fSAndroid Build Coastguard Worker  public:
ToStr(const T & value)29*795d594fSAndroid Build Coastguard Worker   explicit ToStr(const T& value) {
30*795d594fSAndroid Build Coastguard Worker     std::ostringstream os;
31*795d594fSAndroid Build Coastguard Worker     os << value;
32*795d594fSAndroid Build Coastguard Worker     s_ = os.str();
33*795d594fSAndroid Build Coastguard Worker   }
34*795d594fSAndroid Build Coastguard Worker 
c_str()35*795d594fSAndroid Build Coastguard Worker   const char* c_str() const {
36*795d594fSAndroid Build Coastguard Worker     return s_.c_str();
37*795d594fSAndroid Build Coastguard Worker   }
38*795d594fSAndroid Build Coastguard Worker 
str()39*795d594fSAndroid Build Coastguard Worker   const std::string& str() const {
40*795d594fSAndroid Build Coastguard Worker     return s_;
41*795d594fSAndroid Build Coastguard Worker   }
42*795d594fSAndroid Build Coastguard Worker 
43*795d594fSAndroid Build Coastguard Worker  private:
44*795d594fSAndroid Build Coastguard Worker   std::string s_;
45*795d594fSAndroid Build Coastguard Worker   DISALLOW_COPY_AND_ASSIGN(ToStr);
46*795d594fSAndroid Build Coastguard Worker };
47*795d594fSAndroid Build Coastguard Worker 
48*795d594fSAndroid Build Coastguard Worker }  // namespace art
49*795d594fSAndroid Build Coastguard Worker 
50*795d594fSAndroid Build Coastguard Worker #endif  // ART_LIBARTBASE_BASE_TO_STR_H_
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