73 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #pragma once
 | |
| 
 | |
| #include<streambuf>
 | |
| #include<string>
 | |
| namespace c11log {
 | |
| namespace details {
 | |
| 
 | |
| class str_devicebuf:public std::streambuf {
 | |
| public:
 | |
|     str_devicebuf() = default;
 | |
|     ~str_devicebuf() = default;
 | |
|     str_devicebuf(const str_devicebuf& other):std::streambuf(),_str(other._str) {}
 | |
|     str_devicebuf& operator=(const str_devicebuf other) {
 | |
|         if(this != &other)
 | |
|             _str = other._str;
 | |
|         return *this;
 | |
|     }
 | |
|     
 | |
|     const std::string& str_ref() const {
 | |
|         return _str;
 | |
|     }
 | |
| 
 | |
|     void clear() {
 | |
|         _str.clear();
 | |
|     }
 | |
| 
 | |
| protected:
 | |
|     virtual int sync() override {
 | |
|         return 0;
 | |
|     }
 | |
| 
 | |
|     virtual std::streamsize xsputn(const char_type* s, std::streamsize count) override {
 | |
|         _str.append(s, static_cast<unsigned int>(count));
 | |
|         return count;
 | |
|     }
 | |
| 
 | |
|     virtual int_type overflow(int_type ch) override {
 | |
|         if (ch != traits_type::eof())
 | |
|             _str.append((char*)&ch, 1);
 | |
|         return 1;
 | |
|     }
 | |
| private:
 | |
|     std::string _str;
 | |
| };
 | |
| 
 | |
| class fast_oss:public std::ostream {
 | |
| public:
 | |
|     fast_oss():std::ostream(&_dev) {}
 | |
|     ~fast_oss() = default;
 | |
|     fast_oss(const fast_oss& other):std::basic_ios<char>(), std::ostream(),_dev(other._dev) {}
 | |
|     fast_oss& operator=(const fast_oss& other) {
 | |
|         if(&other != this)
 | |
|             _dev = other._dev;
 | |
|         return *this;
 | |
|     }
 | |
|         
 | |
|     const std::string& str_ref() const {
 | |
|         return _dev.str_ref();
 | |
|     }
 | |
| 
 | |
|     const std::string str() const {
 | |
|         return _dev.str_ref();
 | |
|     }
 | |
| 
 | |
|     void clear() {
 | |
|         _dev.clear();
 | |
|     }
 | |
| private:
 | |
|     str_devicebuf _dev;
 | |
| };
 | |
| }
 | |
| }
 |