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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> template<typename _Tp>
_Tp analyzeValue(const std::string& str); _Tp analyzeValue(const std::string& str);
}; };
template<> CV_EXPORTS template<> CV_EXPORTS
std::string CommandLineParser::analyzeValue<std::string>(const std::string& str); std::string CommandLineParser::analyzeValue<std::string>(const std::string& str);

86
modules/core/src/cmdparser.cpp
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@ -3,6 +3,31 @@
using namespace std; using namespace std;
using namespace cv; 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) 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 cur_name;
std::string buffer; std::string buffer;
std::stringstream str_buff(std::stringstream::in | std::stringstream::out); std::stringstream str_buff(std::stringstream::in | std::stringstream::out);
std::string str_index;
std::map<std::string, std::string >::iterator it; std::map<std::string, std::string >::iterator it;
int find_symbol; int find_symbol;
int index = 0; int index = 0;
@ -48,41 +72,65 @@ CommandLineParser::CommandLineParser(int argc, const char* argv[])
buffer.erase(0, find_symbol + 1); buffer.erase(0, find_symbol + 1);
if (data.find(cur_name) != data.end()) if (data.find(cur_name) != data.end())
{ {
string str_exception="dublicating parameters for name='" + cur_name + "'"; printf("CommandLineParser constructor found dublicating parameters for name=%s\n"
CV_Error(CV_StsParseError, str_exception); , 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 else
data[cur_name] = buffer; data[cur_name] = buffer;
} }
else if (cur_name.find('=') == 0) else if (cur_name.find('=') == 0)
{ {
string str_exception="This key is wrong. The key mustn't have '=' like increment' '" + cur_name + "'"; printf("The next key is wrong: key= %s\n", cur_name.c_str());
CV_Error(CV_StsParseError, str_exception); 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)) 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 + "'"; printf("The next key must be defined with '--' or '-' increment: key= %s\n", cur_name.c_str());
CV_Error(CV_StsParseError, str_exception); 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)) else if (cur_name.find('=') == (cur_name.length() - 1))
{ {
string str_exception="This key must have argument after '=''" + cur_name + "'"; printf("The next key must have argument after '=': key= %s\n", cur_name.c_str());
CV_Error(CV_StsParseError, str_exception); printf("Constructor will not continue its work since this moment.\n"
"Please enter parameters without any mistakes\n");
helpParser();
data.clear();
break;
} }
else else
{ {
str_buff<< index; str_buff << index;
str_index = str_buff.str(); while (cur_name.find('-') == 0)
str_buff.seekp(0); cur_name.erase(0,1);
for(it = data.begin(); it != data.end(); it++)
for(it = data.begin(); it != data.end(); it++)
{
if (it->second == cur_name)
{ {
if (it->second == cur_name) printf("CommandLineParser constructor found dublicating parameters for name=%s\n"
{ , cur_name.c_str());
string str_exception="dublicating parameters for name='" + cur_name + "'"; printf("Constructor will not continue its work since this moment.\n"
CV_Error(CV_StsParseError, str_exception); "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++; index++;
} }

38
samples/cpp/brief_match_test.cpp
View File

@ -4,6 +4,7 @@
* Created on: Oct 17, 2010 * Created on: Oct 17, 2010
* Author: ethan * Author: ethan
*/ */
#include "opencv2/core/core.hpp"
#include "opencv2/calib3d/calib3d.hpp" #include "opencv2/calib3d/calib3d.hpp"
#include "opencv2/features2d/features2d.hpp" #include "opencv2/features2d/features2d.hpp"
#include "opencv2/imgproc/imgproc.hpp" #include "opencv2/imgproc/imgproc.hpp"
@ -11,6 +12,7 @@
#include <vector> #include <vector>
#include <iostream> #include <iostream>
using namespace std;
using namespace cv; using namespace cv;
using std::cout; using std::cout;
@ -18,13 +20,15 @@ using std::cerr;
using std::endl; using std::endl;
using std::vector; using std::vector;
void help(char **av) void help()
{ {
cerr << "usage: " << av[0] << " im1.jpg im2.jpg" printf("\nThis program shows how to use BRIEF descriptor to match points in features2d\n"
<< "\n" "It takes in two images, finds keypoints and matches them displaying matches and final homography warped results\n"
<< "This program shows how to use BRIEF descriptor to match points in features2d\n" "Usage: \n"
<< "It takes in two images, finds keypoints and matches them displaying matches and final homography warped results\n" " ./brief_match_test [--first_file]=<first file name, left01.jpg as default> \n"
<< endl; " [--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 //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();
{
help(av); CommandLineParser parser(ac, av);
return 1;
}
string im1_name, im2_name; string im1_name, im2_name;
im1_name = av[1]; im1_name = parser.get<string>("first_file", "left01.jpg");
im2_name = av[2]; 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 im1 = imread(im1_name, CV_LOAD_IMAGE_GRAYSCALE);
Mat im2 = imread(im2_name, CV_LOAD_IMAGE_GRAYSCALE); Mat im2 = imread(im2_name, CV_LOAD_IMAGE_GRAYSCALE);