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improved print help in CommandLineParser

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This commit is contained in:
Andrey Morozov 2011-10-03 11:17:36 +00:00
parent 60ebe2003f
commit bf636e40bf
1 changed files with 33 additions and 3 deletions
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36
modules/core/src/cmdparser.cpp
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@ -261,6 +261,9 @@ template<typename _Tp>
void CommandLineParser::printParams() void CommandLineParser::printParams()
{ {
int col_p = 30;
int col_d = 50;
std::map<std::string, std::vector<std::string> >::iterator it; std::map<std::string, std::vector<std::string> >::iterator it;
std::vector<string> keysVector; std::vector<string> keysVector;
std::string buf; std::string buf;
@ -278,12 +281,39 @@ template<typename _Tp>
else if (keysVector[1] != "") buf += "--" + keysVector[1]; else if (keysVector[1] != "") buf += "--" + keysVector[1];
if (del_space(it->second[0]) != "") buf += "=[" + del_space(it->second[0]) + "]"; if (del_space(it->second[0]) != "") buf += "=[" + del_space(it->second[0]) + "]";
cout << setw(28) << left << buf; cout << setw(col_p-2) << left << buf;
if (buf.length() > col_p-2)
{
cout << endl << " ";
cout << setw(col_p-2) << left << " ";
}
buf = ""; buf = "";
if (del_space(it->second[1]) != "") buf += del_space(it->second[1]); if (del_space(it->second[1]) != "") buf += del_space(it->second[1]);
cout << setw(50) << left << buf << endl; while (true)
{
bool tr = (buf.length() >= col_d-2) ? true: false;
int pos;
if (tr)
{
pos = buf.find_first_of(' ');
while (buf.find_first_of(' ', pos + 1 ) > 0 && pos < col_d-2) pos = buf.find_first_of(' ', pos + 1);
pos++;
cout << setw(col_d-2) << left << buf.substr(0, pos) << endl;
}
else
{
cout << setw(col_d-2) << left << buf<< endl;
break;
}
buf.erase(0, pos);
cout << " ";
cout << setw(col_p-2) << left << " ";
}
} }
} }