boost 处理命令行选项参数

时间:2021-04-17 14:28:13
// genmac.cpp : 定义控制台应用程序的入口点。
//

#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
#include "stdafx.h"
#include <stdio.h>
#include <StrUtils.h>
#include <Utils.h>
#include <iostream>
#include <fstream>
#include <exception>
#include <boost/program_options.hpp>

using namespace std;
using namespace boost;

program_options::options_description bOptions("Options");
char* mPrgPath=NULL;
void showhelpMessage(const TCHAR* pvMsg=NULL) {
if (pvMsg) {
wcout << pvMsg << endl << endl;
}
cout << "This is genmac 1.0.7 that built by rocklee,ALCO MIS." << endl;
cout << bOptions << endl;
cout << "example: " << mPrgPath << " --from=\"01-02-03-04-05-06\" --to=\"01-02-03-04-05-ff\" --output=\"c:\\temp\\genmac.txt\"" << endl;
}
bool macgen(string pvsMacFrom , string pvsMacTo,string pvsOutput) {
//char* lvlpcMacFrom = "20-D1-60-DB-4C-3B";
//char* lvlpcMacTo = "20-D1-60-DB-4D-3C";
if (pvsMacFrom.size() != 17 || pvsMacTo.size() != 17 ||
!(pvsMacFrom.substr(2, 1) == "-" &&pvsMacFrom.substr(5, 1) == "-" && pvsMacFrom.substr(8, 1) == "-" && pvsMacFrom.substr(11, 1) == "-" && pvsMacFrom.substr(14, 1) == "-")||
!(pvsMacTo.substr(2, 1) == "-" &&pvsMacTo.substr(5, 1) == "-" && pvsMacTo.substr(8, 1) == "-" && pvsMacTo.substr(11, 1) == "-" && pvsMacTo.substr(14, 1) == "-")
) {
showhelpMessage(_TEXT("Invalid Mac format ."));
return false;
}
fstream _file;
if (pvsOutput.size()!=0 )
{
_file.open(pvsOutput.data(), ios::in);
if (_file){
showhelpMessage(_TEXT("target file is exists."));
return false;
}
_file.close();
try{
_file.open(pvsOutput.data(), ios::out);
}
catch (std::exception & e) {
wstring lvwsTmp = freestyle::StrUtils::MBytesToWString(e.what());
showhelpMessage(lvwsTmp.data());
_file.close();
return false;
}
}
bool lvbOutputToConsole = pvsOutput.size() == 0;
long long lvulMac1 = freestyle::hex_to_decimal(freestyle::StrUtils::replace_all_distinct(pvsMacFrom, "-", "").data());// atoll(freestyle::StrUtils::replace_all_distinct(string(lvlpcMac1), "-", "").data());
long long lvulMac2 = freestyle::hex_to_decimal(freestyle::StrUtils::replace_all_distinct(pvsMacTo, "-", "").data());//atoll(freestyle::StrUtils::replace_all_distinct(string(lvlpcMac2), "-", "").data());
int lvCC = 0;
for (long long lvulItem = lvulMac1; lvulItem <= lvulMac2; ++lvulItem) {
char lvlpcCC[10];
sprintf_s(lvlpcCC, "%9d", ++lvCC);
/*if (lvbOutputToConsole){
cout << lvlpcCC << " " << lvulItem << " ";
}*/
char lvlpcTmp[13];
sprintf_s(lvlpcTmp, "%12llX", lvulItem);
string lvsTmp(lvlpcTmp);
lvsTmp.insert(2, "-");
lvsTmp.insert(5, "-");
lvsTmp.insert(8, "-");
lvsTmp.insert(11, "-");
lvsTmp.insert(14, "-");
if (lvbOutputToConsole){
cout << lvlpcCC << " ";
cout << lvsTmp.data() << endl;
}
else {
_file << lvsTmp.data() << endl;
}
}
_file.close();
cout << "Total " << lvCC << " records created." << endl;
return true;
}

int main(int argc,char** argv)
{
_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
mPrgPath = argv[0];
string lvsMacFrom, lvsMacTo,lvsOutFile;
bOptions.add_options()
("help", "Show help message")
("from", program_options::value<string>(&lvsMacFrom), "MAC from")
("to", program_options::value<string>(&lvsMacTo), "MAC to")
("output", program_options::value<string>(&lvsOutFile), "output file name path");
// parse program options
program_options::variables_map mVMap;
program_options::store(parse_command_line(argc, argv, bOptions), mVMap);
program_options::notify(mVMap);

// output help message if required
if (mVMap.count("help")||mVMap.size()==0)
{
showhelpMessage();
return 1;
}

// process other option
if (!mVMap.count("from"))
{
showhelpMessage(_TEXT("Missing from option."));
return 1;
}
if (!mVMap.count("to"))
{
showhelpMessage(_TEXT("Missing to option."));
return 1;
}
if (macgen(lvsMacFrom, lvsMacTo, lvsOutFile)) {
return 0;
}
else {
return 1;
}
}


上面演示了如何接受一个mac范围, 生成mac列表然后根据参数要求输出到指定文件或控制台. 主要留意program_options的add_options方法, 还有program_options::variables_map的count.


运行之:

C:\temp>genmac.exe
This is genmac 1.0.7 that built by rocklee,ALCO MIS.
Command Options:
--help Show help message
--from arg MAC from
--to arg MAC to
--output arg output file name path
C:\temp>genmac.exe --from="01-02-03-04-05-06"Missing to option.This is genmac 1.0.7 that built by rocklee,ALCO MIS.Command Options:  --help                Show help message  --from arg            MAC from  --to arg              MAC to  --output arg          output file name pathexample: genmac.exe --from="01-02-03-04-05-06" --to="01-02-03-04-05-ff" --output="c:\temp\genmac.txt"

C:\temp>genmac.exe --from="01-02-03-04-05-06" --to="01-02-03-04-05-10"
1 1-02-03-04-05-06
2 1-02-03-04-05-07
3 1-02-03-04-05-08
4 1-02-03-04-05-09
5 1-02-03-04-05-0A
6 1-02-03-04-05-0B
7 1-02-03-04-05-0C
8 1-02-03-04-05-0D
9 1-02-03-04-05-0E
10 1-02-03-04-05-0F
11 1-02-03-04-05-10
Total 11 records created.