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383 lines
12 KiB
C++
383 lines
12 KiB
C++
#include "precomp.hpp"
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#include <iostream>
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#include <iomanip>
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using namespace std;
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using namespace cv;
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namespace {
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void helpParser()
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{
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printf("\nThe CommandLineParser class is designed for command line arguments parsing\n"
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"Keys map: \n"
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"Before you start to work with CommandLineParser you have to create a map for keys.\n"
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" It will look like this\n"
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" const char* keys =\n"
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" {\n"
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" { s| string| 123asd |string parameter}\n"
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" { d| digit | 100 |digit parameter }\n"
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" { c|noCamera|false |without camera }\n"
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" { 1| |some text|help }\n"
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" { 2| |333 |another help }\n"
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" };\n"
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"Usage syntax: \n"
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" \"{\" - start of parameter string.\n"
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" \"}\" - end of parameter string\n"
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" \"|\" - separator between short name, full name, default value and help\n"
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"Supported syntax: \n"
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" --key1=arg1 <If a key with '--' must has an argument\n"
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" you have to assign it through '=' sign.> \n"
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"<If the key with '--' doesn't have any argument, it means that it is a bool key>\n"
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" -key2=arg2 <If a key with '-' must has an argument \n"
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" you have to assign it through '=' sign.> \n"
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"If the key with '-' doesn't have any argument, it means that it is a bool key\n"
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" key3 <This key can't has any parameter> \n"
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"Usage: \n"
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" Imagine that the input parameters are next:\n"
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" -s=string_value --digit=250 --noCamera lena.jpg 10000\n"
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" CommandLineParser parser(argc, argv, keys) - create a parser object\n"
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" parser.get<string>(\"s\" or \"string\") will return you first parameter value\n"
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" parser.get<string>(\"s\", false or \"string\", false) will return you first parameter value\n"
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" without spaces in end and begin\n"
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" parser.get<int>(\"d\" or \"digit\") will return you second parameter value.\n"
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" It also works with 'unsigned int', 'double', and 'float' types>\n"
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" parser.get<bool>(\"c\" or \"noCamera\") will return you true .\n"
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" If you enter this key in commandline>\n"
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" It return you false otherwise.\n"
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" parser.get<string>(\"1\") will return you the first argument without parameter (lena.jpg) \n"
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" parser.get<int>(\"2\") will return you the second argument without parameter (10000)\n"
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" It also works with 'unsigned int', 'double', and 'float' types \n"
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);
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}
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vector<string> split_string(const string& str, const string& delimiters)
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{
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vector<string> res;
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string split_str = str;
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size_t pos_delim = split_str.find(delimiters);
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while ( pos_delim != string::npos)
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{
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if (pos_delim == 0)
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{
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res.push_back("");
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split_str.erase(0, 1);
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}
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else
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{
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res.push_back(split_str.substr(0, pos_delim));
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split_str.erase(0, pos_delim + 1);
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}
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pos_delim = split_str.find(delimiters);
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}
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res.push_back(split_str);
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return res;
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}
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string del_space(string name)
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{
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while ((name.find_first_of(' ') == 0) && (name.length() > 0))
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name.erase(0, 1);
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while ((name.find_last_of(' ') == (name.length() - 1)) && (name.length() > 0))
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name.erase(name.end() - 1, name.end());
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return name;
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}
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}//namespace
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CommandLineParser::CommandLineParser(int argc, const char* const argv[], const char* keys)
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{
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std::string keys_buffer;
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std::string values_buffer;
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std::string buffer;
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std::string curName;
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std::vector<string> keysVector;
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std::vector<string> paramVector;
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std::map<std::string, std::vector<std::string> >::iterator it;
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size_t flagPosition;
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int currentIndex = 1;
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//bool isFound = false;
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bool withNoKey = false;
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bool hasValueThroughEq = false;
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keys_buffer = keys;
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while (!keys_buffer.empty())
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{
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flagPosition = keys_buffer.find_first_of('}');
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flagPosition++;
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buffer = keys_buffer.substr(0, flagPosition);
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keys_buffer.erase(0, flagPosition);
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flagPosition = buffer.find('{');
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if (flagPosition != buffer.npos)
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buffer.erase(flagPosition, (flagPosition + 1));
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flagPosition = buffer.find('}');
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if (flagPosition != buffer.npos)
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buffer.erase(flagPosition);
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paramVector = split_string(buffer, "|");
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while (paramVector.size() < 4) paramVector.push_back("");
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buffer = paramVector[0];
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buffer += '|' + paramVector[1];
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//if (buffer == "") CV_ERROR(CV_StsBadArg, "In CommandLineParser need set short and full name");
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paramVector.erase(paramVector.begin(), paramVector.begin() + 2);
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data[buffer] = paramVector;
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}
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buffer.clear();
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keys_buffer.clear();
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paramVector.clear();
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for (int i = 1; i < argc; i++)
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{
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if (!argv[i])
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break;
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curName = argv[i];
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if (curName.find('-') == 0 && ((curName[1] < '0') || (curName[1] > '9')))
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{
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while (curName.find('-') == 0)
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curName.erase(curName.begin(), (curName.begin() + 1));
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}
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else
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withNoKey = true;
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if (curName.find('=') != curName.npos)
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{
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hasValueThroughEq = true;
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buffer = curName;
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curName.erase(curName.find('='));
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buffer.erase(0, (buffer.find('=') + 1));
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}
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values_buffer = del_space(values_buffer);
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for(it = data.begin(); it != data.end(); it++)
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{
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keys_buffer = it->first;
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keysVector = split_string(keys_buffer, "|");
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for (size_t j = 0; j < keysVector.size(); j++) keysVector[j] = del_space(keysVector[j]);
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values_buffer = it->second[0];
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if (((curName == keysVector[0]) || (curName == keysVector[1])) && hasValueThroughEq)
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{
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it->second[0] = buffer;
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//isFound = true;
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break;
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}
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if (!hasValueThroughEq && ((curName == keysVector[0]) || (curName == keysVector[1]))
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&& (
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values_buffer.find("false") != values_buffer.npos ||
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values_buffer == ""
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))
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{
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it->second[0] = "true";
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//isFound = true;
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break;
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}
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if (!hasValueThroughEq && (values_buffer.find("false") == values_buffer.npos) &&
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((curName == keysVector[0]) || (curName == keysVector[1])))
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{
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it->second[0] = argv[++i];
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//isFound = true;
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break;
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}
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if (withNoKey)
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{
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std::string noKeyStr = it->first;
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if(atoi(noKeyStr.c_str()) == currentIndex)
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{
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it->second[0] = curName;
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currentIndex++;
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//isFound = true;
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break;
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}
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}
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}
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withNoKey = false;
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hasValueThroughEq = false;
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//isFound = false;
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}
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}
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bool CommandLineParser::has(const std::string& keys)
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{
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std::map<std::string, std::vector<std::string> >::iterator it;
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std::vector<string> keysVector;
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for(it = data.begin(); it != data.end(); it++)
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{
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keysVector = split_string(it->first, "|");
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for (size_t i = 0; i < keysVector.size(); i++) keysVector[i] = del_space(keysVector[i]);
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if (keysVector.size() == 1) keysVector.push_back("");
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if ((del_space(keys).compare(keysVector[0]) == 0) ||
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(del_space(keys).compare(keysVector[1]) == 0))
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return true;
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}
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return false;
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}
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std::string CommandLineParser::getString(const std::string& keys)
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{
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std::map<std::string, std::vector<std::string> >::iterator it;
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std::vector<string> valueVector;
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for(it = data.begin(); it != data.end(); it++)
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{
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valueVector = split_string(it->first, "|");
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for (size_t i = 0; i < valueVector.size(); i++) valueVector[i] = del_space(valueVector[i]);
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if (valueVector.size() == 1) valueVector.push_back("");
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if ((del_space(keys).compare(valueVector[0]) == 0) ||
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(del_space(keys).compare(valueVector[1]) == 0))
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return it->second[0];
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}
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return string();
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}
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template<typename _Tp>
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_Tp CommandLineParser::fromStringNumber(const std::string& str)//the default conversion function for numbers
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{
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return getData<_Tp>(str);
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}
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void CommandLineParser::printParams()
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{
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int col_p = 30;
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int col_d = 50;
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std::map<std::string, std::vector<std::string> >::iterator it;
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std::vector<string> keysVector;
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std::string buf;
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for(it = data.begin(); it != data.end(); it++)
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{
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keysVector = split_string(it->first, "|");
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for (size_t i = 0; i < keysVector.size(); i++) keysVector[i] = del_space(keysVector[i]);
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cout << " ";
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buf = "";
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if (keysVector[0] != "")
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{
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buf = "-" + keysVector[0];
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if (keysVector[1] != "") buf += ", --" + keysVector[1];
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}
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else if (keysVector[1] != "") buf += "--" + keysVector[1];
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if (del_space(it->second[0]) != "") buf += "=[" + del_space(it->second[0]) + "]";
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cout << setw(col_p-2) << left << buf;
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if ((int)buf.length() > col_p-2)
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{
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cout << endl << " ";
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cout << setw(col_p-2) << left << " ";
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}
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buf = "";
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if (del_space(it->second[1]) != "") buf += del_space(it->second[1]);
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for(;;)
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{
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bool tr = ((int)buf.length() > col_d-2) ? true: false;
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std::string::size_type pos = 0;
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if (tr)
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{
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pos = buf.find_first_of(' ');
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for(;;)
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{
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if (buf.find_first_of(' ', pos + 1 ) < (std::string::size_type)(col_d-2) &&
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buf.find_first_of(' ', pos + 1 ) != std::string::npos)
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pos = buf.find_first_of(' ', pos + 1);
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else
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break;
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}
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pos++;
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cout << setw(col_d-2) << left << buf.substr(0, pos) << endl;
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}
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else
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{
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cout << setw(col_d-2) << left << buf<< endl;
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break;
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}
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buf.erase(0, pos);
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cout << " ";
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cout << setw(col_p-2) << left << " ";
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}
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}
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}
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template<>
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bool CommandLineParser::get<bool>(const std::string& name, bool space_delete)
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{
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std::string str_buf = getString(name);
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if (space_delete && str_buf != "")
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{
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str_buf = del_space(str_buf);
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}
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if (str_buf == "true")
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return true;
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return false;
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}
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template<>
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std::string CommandLineParser::analyzeValue<std::string>(const std::string& str, bool space_delete)
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{
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if (space_delete)
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{
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return del_space(str);
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}
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return str;
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}
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template<>
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int CommandLineParser::analyzeValue<int>(const std::string& str, bool /*space_delete*/)
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{
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return fromStringNumber<int>(str);
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}
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template<>
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unsigned int CommandLineParser::analyzeValue<unsigned int>(const std::string& str, bool /*space_delete*/)
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{
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return fromStringNumber<unsigned int>(str);
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}
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template<>
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uint64 CommandLineParser::analyzeValue<uint64>(const std::string& str, bool /*space_delete*/)
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{
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return fromStringNumber<uint64>(str);
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}
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template<>
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float CommandLineParser::analyzeValue<float>(const std::string& str, bool /*space_delete*/)
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{
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return fromStringNumber<float>(str);
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}
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template<>
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double CommandLineParser::analyzeValue<double>(const std::string& str, bool /*space_delete*/)
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{
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return fromStringNumber<double>(str);
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}
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