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Notification messages about bad parameters in command line were added in CommandLineParser. Update sample, using parser

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This commit is contained in:
Kirill Kornyakov
2011-06-08 06:45:21 +00:00
parent c7a42e9682
commit aad9b3219c
3 changed files with 92 additions and 35 deletions
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86
modules/core/src/cmdparser.cpp
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@@ -3,6 +3,31 @@
using namespace std;
using namespace cv;
void helpParser()
{
printf("\nThe CommandLineParser class is designed for command line arguments parsing\n"
"Supported syntax: \n"
" --key1=arg1 or --key3 <The keys with '--' can have argument.\n"
"If it has argument, you should assign it through '=' sign> \n"
" -key2=arg2 or -key2 <The keys witn '-' can have argument \n"
"If it has argument, you should assign it through '=' sign> \n"
" key3 <This key can't has any parameter> \n"
"Usage: \n"
" Imagine that the input parameters are next:\n"
" -k=10 --key --db=-10.11 -key1 argument --inputFile=lena.jpg\n"
"parser.get<int>(\"k\")<If you need to take 'k' value.\n"
" It also works with 'unsigned int', 'double', 'float' and 'string' types>\n"
"parser.get<double>(\"db\", 99.99)<If you need to take 'db' value.\n"
" If its value is empty, you will get default value 99.99>\n"
" It also works with 'int', 'unsigned int', 'float' and 'string' types\n"
"parser.get<string>(\"0\")<If you need to take 'key'. It's the first parameter without value\n"
" and it has index 0>\n"
"parser.get<stirng>(\"1\")<If you need to take 'key1'. It's the second parameter without value\n"
" and it has index 1>\n"
"parser.get<stirng>(\"2\")<If you need to take 'argument'. It's the third parameter without value\n"
" and it has index 2>\n\n"
);
}
vector<string> split_string(const string& str, const string& delimiters)
{
@@ -24,7 +49,6 @@ CommandLineParser::CommandLineParser(int argc, const char* argv[])
std::string cur_name;
std::string buffer;
std::stringstream str_buff(std::stringstream::in | std::stringstream::out);
std::string str_index;
std::map<std::string, std::string >::iterator it;
int find_symbol;
int index = 0;
@@ -48,41 +72,65 @@ CommandLineParser::CommandLineParser(int argc, const char* argv[])
buffer.erase(0, find_symbol + 1);
if (data.find(cur_name) != data.end())
{
string str_exception="dublicating parameters for name='" + cur_name + "'";
CV_Error(CV_StsParseError, str_exception);
printf("CommandLineParser constructor found dublicating parameters for name=%s\n"
, cur_name.c_str());
printf("Constructor will not continue its work since this moment.\n"
"Please enter parameters without dublicates\n");
helpParser();
data.clear();
break;
}
else
data[cur_name] = buffer;
}
else if (cur_name.find('=') == 0)
{
string str_exception="This key is wrong. The key mustn't have '=' like increment' '" + cur_name + "'";
CV_Error(CV_StsParseError, str_exception);
printf("The next key is wrong: key= %s\n", cur_name.c_str());
printf("Constructor will not continue its work since this moment.\n"
"Please enter parameters without any mistakes\n");
helpParser();
data.clear();
break;
}
else if(((int)cur_name.find('-') == -1) && ((int)cur_name.find('=') != -1))
{
string str_exception="This key must be defined with '--' or '-' increment'" + cur_name + "'";
CV_Error(CV_StsParseError, str_exception);
printf("The next key must be defined with '--' or '-' increment: key= %s\n", cur_name.c_str());
printf("Constructor will not continue its work since this moment.\n"
"Please enter parameters without any mistakes\n");
helpParser();
data.clear();
break;
}
else if (cur_name.find('=') == (cur_name.length() - 1))
{
string str_exception="This key must have argument after '=''" + cur_name + "'";
CV_Error(CV_StsParseError, str_exception);
printf("The next key must have argument after '=': key= %s\n", cur_name.c_str());
printf("Constructor will not continue its work since this moment.\n"
"Please enter parameters without any mistakes\n");
helpParser();
data.clear();
break;
}
else
{
str_buff<< index;
str_index = str_buff.str();
str_buff.seekp(0);
for(it = data.begin(); it != data.end(); it++)
str_buff << index;
while (cur_name.find('-') == 0)
cur_name.erase(0,1);
for(it = data.begin(); it != data.end(); it++)
{
if (it->second == cur_name)
{
if (it->second == cur_name)
{
string str_exception="dublicating parameters for name='" + cur_name + "'";
CV_Error(CV_StsParseError, str_exception);
}
printf("CommandLineParser constructor found dublicating parameters for name=%s\n"
, cur_name.c_str());
printf("Constructor will not continue its work since this moment.\n"
"Please enter parameters without dublicates\n");
helpParser();
data.clear();
break;
}
data[str_index.c_str()] = cur_name;
}
data[str_buff.str()] = cur_name;
str_buff.seekp(0);
index++;
}