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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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1
modules/core/include/opencv2/core/core.hpp
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@ -4233,7 +4233,6 @@ class CV_EXPORTS CommandLineParser
template<typename _Tp>
_Tp analyzeValue(const std::string& str);
};
template<> CV_EXPORTS
std::string CommandLineParser::analyzeValue<std::string>(const std::string& str);

78
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);
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)
{
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++;
}

38
samples/cpp/brief_match_test.cpp
View File

@ -4,6 +4,7 @@
* Created on: Oct 17, 2010
* Author: ethan
*/
#include "opencv2/core/core.hpp"
#include "opencv2/calib3d/calib3d.hpp"
#include "opencv2/features2d/features2d.hpp"
#include "opencv2/imgproc/imgproc.hpp"
@ -11,6 +12,7 @@
#include <vector>
#include <iostream>
using namespace std;
using namespace cv;
using std::cout;
@ -18,13 +20,15 @@ using std::cerr;
using std::endl;
using std::vector;
void help(char **av)
void help()
{
cerr << "usage: " << av[0] << " im1.jpg im2.jpg"
<< "\n"
<< "This program shows how to use BRIEF descriptor to match points in features2d\n"
<< "It takes in two images, finds keypoints and matches them displaying matches and final homography warped results\n"
<< endl;
printf("\nThis program shows how to use BRIEF descriptor to match points in features2d\n"
"It takes in two images, finds keypoints and matches them displaying matches and final homography warped results\n"
"Usage: \n"
" ./brief_match_test [--first_file]=<first file name, left01.jpg as default> \n"
" [--second_file]=<second file name, left02.jpg as default> \n"
"Example: \n"
"./brief_match_test --first_file=left01.jpg --second_file=left02.jpg \n");
}
//Copy (x,y) location of descriptor matches found from KeyPoint data structures into Point2f vectors
@ -55,16 +59,22 @@ double match(const vector<KeyPoint>& /*kpts_train*/, const vector<KeyPoint>& /*k
int main(int ac, char ** av)
int main(int ac, const char ** av)
{
if (ac != 3)
{
help(av);
return 1;
}
help();
CommandLineParser parser(ac, av);
string im1_name, im2_name;
im1_name = av[1];
im2_name = av[2];
im1_name = parser.get<string>("first_file", "left01.jpg");
im2_name = parser.get<string>("second_file", "left02.jpg");
if (im1_name.empty() || im2_name.empty())
{
help();
printf("\n You have to indicate two files first_file and second_file \n");
return -1;
}
Mat im1 = imread(im1_name, CV_LOAD_IMAGE_GRAYSCALE);
Mat im2 = imread(im2_name, CV_LOAD_IMAGE_GRAYSCALE);