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C++ TextStream::flush方法代码示例

本文整理汇总了C++中TextStream::flush方法的典型用法代码示例。如果您正苦于以下问题:C++ TextStream::flush方法的具体用法?C++ TextStream::flush怎么用?C++ TextStream::flush使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在TextStream的用法示例。


在下文中一共展示了TextStream::flush方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: main

int main() {
	try {
		ecl::set_priority(ecl::RealTimePriority4);
	} catch ( StandardException &e ) {
		// dont worry about it.
	}

    StopWatch stopwatch;
	TimeStamp times[22];
	unsigned int lines_to_write = 500;// Buffer::buffer_size/10 + 1;
    float f = 33.54;

    std::cout << std::endl;
    std::cout << "***********************************************************" << std::endl;
    std::cout << "                   OFile Write" << std::endl;
    std::cout << "***********************************************************" << std::endl;
    std::cout << std::endl;

    OFile o_file("odude.txt",New);
    for ( unsigned int i = 0; i < lines_to_write; ++i ) { // Avoid speedups from caching affecting times.
    	o_file.write("Heya Dude\n",10);
    }
    o_file.flush();
    stopwatch.restart();
    for ( unsigned int i = 0; i < lines_to_write; ++i ) {
    	o_file.write("Heya Dude\n",10);
    }
    o_file.flush();
    times[0] = stopwatch.split();

    std::cout << std::endl;
    std::cout << "***********************************************************" << std::endl;
    std::cout << "                  Shared File Write" << std::endl;
    std::cout << "***********************************************************" << std::endl;
    std::cout << std::endl;

    SharedFile s_file("sdude.txt",New);
    for ( unsigned int i = 0; i < lines_to_write; ++i ) { // Avoid speedups from caching affecting times.
    	s_file.write("Heya Dude\n",10);
    }
    s_file.flush();
    stopwatch.restart();
    for ( unsigned int i = 0; i < lines_to_write; ++i ) {
    	s_file.write("Heya Dude\n",10);
    }
    s_file.flush();
    times[1] = stopwatch.split();

    std::cout << std::endl;
    std::cout << "***********************************************************" << std::endl;
    std::cout << "                     TextStream<OFile>" << std::endl;
    std::cout << "***********************************************************" << std::endl;
    std::cout << std::endl;

    TextStream<OFile> ostream;
    ostream.device().open("dude_stream.txt",New);
    stopwatch.restart();
    for ( unsigned int i = 0; i < lines_to_write; ++i ) {
        ostream << "Heya Dude\n";
    }
    ostream.flush();
    stopwatch.restart();
    for ( unsigned int i = 0; i < lines_to_write; ++i ) {
        ostream << "Heya Dude\n";
    }
    ostream.flush();
    times[2] = stopwatch.split();
    stopwatch.restart();
    for ( unsigned int i = 0; i < lines_to_write; ++i ) {
        ostream << f << "\n";
    }
    ostream.flush();
    stopwatch.restart();
    for ( unsigned int i = 0; i < lines_to_write; ++i ) {
        ostream << f << "\n";
    }
    ostream.flush();
    times[3] = stopwatch.split();

    std::cout << std::endl;
    std::cout << "***********************************************************" << std::endl;
    std::cout << "                     std::ofstream" << std::endl;
    std::cout << "***********************************************************" << std::endl;
    std::cout << std::endl;

    std::ofstream cpp_ostream("dude_ofstream.txt");
    stopwatch.restart();
    for ( unsigned int i = 0; i < lines_to_write; ++i ) {
        cpp_ostream << "Heya Dude\n";
    }
    cpp_ostream.flush();
    stopwatch.restart();
    for ( unsigned int i = 0; i < lines_to_write; ++i ) {
        cpp_ostream << "Heya Dude\n";
    }
    cpp_ostream.flush();
    times[4] = stopwatch.split();
    stopwatch.restart();
    for ( unsigned int i = 0; i < lines_to_write; ++i ) {
    	cpp_ostream << f << "\n";
//.........这里部分代码省略.........
开发者ID:JdeRobot,项目名称:ThirdParty,代码行数:101,代码来源:files.cpp


注:本文中的TextStream::flush方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。