1 #ifndef ANDROID_DVR_PERFORMANCED_STRING_TRIM_H_ 2 #define ANDROID_DVR_PERFORMANCED_STRING_TRIM_H_ 3 4 #include <functional> 5 #include <locale> 6 #include <string> 7 8 namespace android { 9 namespace dvr { 10 11 // Trims whitespace from the left side of |subject| and returns the result as a 12 // new string. 13 inline std::string LeftTrim(std::string subject) { 14 subject.erase(subject.begin(), 15 std::find_if(subject.begin(), subject.end(), 16 std::not1(std::ptr_fun<int, int>(std::isspace)))); 17 return subject; 18 } 19 20 // Trims whitespace from the right side of |subject| and returns the result as a 21 // new string. 22 inline std::string RightTrim(std::string subject) { 23 subject.erase(std::find_if(subject.rbegin(), subject.rend(), 24 std::not1(std::ptr_fun<int, int>(std::isspace))) 25 .base(), 26 subject.end()); 27 return subject; 28 } 29 30 // Trims whitespace from the both sides of |subject| and returns the result as a 31 // new string. 32 inline std::string Trim(std::string subject) { 33 subject.erase(subject.begin(), 34 std::find_if(subject.begin(), subject.end(), 35 std::not1(std::ptr_fun<int, int>(std::isspace)))); 36 subject.erase(std::find_if(subject.rbegin(), subject.rend(), 37 std::not1(std::ptr_fun<int, int>(std::isspace))) 38 .base(), 39 subject.end()); 40 return subject; 41 } 42 43 } // namespace dvr 44 } // namespace android 45 46 #endif // ANDROID_DVR_PERFORMANCED_STRING_TRIM_H_ 47
