trim.h

来自「很经典的书籍」· C头文件 代码 · 共 16 行

//: C03:Trim.h
#ifndef TRIM_H
#define TRIM_H
#include <string>
// General tool to strip spaces from both ends:
inline std::string trim(const std::string& s) {
  if(s.length() == 0)
    return s;
  int beg = s.find_first_not_of(" \a\b\f\n\r\t\v");
  int end = s.find_last_not_of(" \a\b\f\n\r\t\v");
  if(beg == std::string::npos) // No non-spaces
    return "";
  return std::string(s, beg, end - beg + 1);
}
#endif // TRIM_H ///:~