本文整理汇总了C++中Argument::add方法的典型用法代码示例。如果您正苦于以下问题：C++ Argument::add方法的具体用法？C++ Argument::add怎么用？C++ Argument::add使用的例子？那么, 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类Argument的用法示例。
在下文中一共展示了Argument::add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(int ac, char* av[]) {
{
std::ostringstream os; os << "command:";
for (int i = 0; i < ac; i++) os << ' ' << av[i];
MSG(os.str());
}
std::string trees_filename;
std::string output_filename;
{
Argument a; a.add(ac, av);
// help
if (a.existArg2("-h","--help")) {
MSG("options:");
MSG(" -i [ --input ] arg input trees (file in NEWICK format)");
MSG(" -o [ --output ] arg output file");
MSG(" -h [ --help ] produce help message");
MSG("");
MSG("example:");
MSG(" " << av[0] << " -i inputF.newick -o outputF.newick");
exit(0);
}
// input trees
if (a.existArgVal2("-i", "--input", trees_filename)) MSG("input file: " << trees_filename) else MSG("using standard input");
// output file
if (a.existArgVal2("-o", "--output", output_filename)) MSG("output file: " << output_filename);
// unknown arguments?
a.unusedArgsError();
}
// -----------------------------------------------------------------------------------
//create output stream
std::ofstream ouput_fs;
if (!output_filename.empty()) {
ouput_fs.open(output_filename.c_str());
if (!ouput_fs) ERROR_exit("cannot write file '" << output_filename << "'");
}
std::ostream &output = output_filename.empty() ? std::cout : ouput_fs;
// read trees
// output:
std::vector<aw::Tree> g_trees;
std::vector<aw::idx2name> g_taxa;
{
const std::string filename = trees_filename;
{ // read trees
std::ifstream ifs;
std::istream &is = filename.empty() ? std::cin : ifs;
if (!filename.empty()) {
ifs.open(filename.c_str());
if (!ifs) ERROR_exit("cannot read file '" << filename << "'");
}
MSG_nonewline("Reading input trees: ");
for (;;) {
aw::Tree t;
aw::idx2name t_names;
float t_w = 1.0f;
if (!aw::stream2tree(is, t, t_names,t_w)) break;
g_taxa.push_back(t_names);
g_trees.push_back(t);
output <<"Input gene tree of taxa = "<<t_names.size()<< " and weight = "<<std::fixed<<std::setprecision(2)<<t_w<< std::endl;
}
}
MSG("Input trees: " << g_trees.size());
if (g_trees.empty()) ERROR_exit("No input trees found in file '" << filename << "'");
}
return (EXIT_SUCCESS);
}