Mercurial > hg > orthanc-stone

annotate Applications/Wasm/StartupParametersBuilder.cpp @ 672:86930bc676c6

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fix
author Alain Mazy <alain@mazy.be>
date Wed, 15 May 2019 18:54:55 +0200
parents 5dd496343fad
children
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1 #include "StartupParametersBuilder.h"
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2 #include <iostream>
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3 #include <cstdio>
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4 #include "emscripten/html5.h"
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6 namespace OrthancStone
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7 {
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8 void StartupParametersBuilder::Clear()
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9 {
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10 startupParameters_.clear();
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11 }
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13 void StartupParametersBuilder::SetStartupParameter(
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14 const char* name,
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15 const char* value)
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16 {
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17 startupParameters_.push_back(std::make_tuple(name, value));
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18 }
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20 void StartupParametersBuilder::GetStartupParameters(
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21 boost::program_options::variables_map& parameters,
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22 const boost::program_options::options_description& options)
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23 {
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24 std::vector<std::string> argvStrings(startupParameters_.size() + 1);
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25 // argv mirrors pointers to the internal argvStrings buffers.
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26 // ******************************************************
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27 // THIS IS HIGHLY DANGEROUS SO BEWARE!!!!!!!!!!!!!!
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28 // ******************************************************
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29 std::vector<const char*> argv(startupParameters_.size() + 1);
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31 int argCounter = 0;
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32 argvStrings[argCounter] = "dummy.exe";
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33 argv[argCounter] = argvStrings[argCounter].c_str();
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35 argCounter++;
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37 std::string cmdLine = "";
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38 for ( StartupParameters::const_iterator it = startupParameters_.begin();
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39 it != startupParameters_.end();
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40 it++)
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41 {
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42 std::stringstream argSs;
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43
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44 argSs << "--" << std::get<0>(*it);
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45 if(std::get<1>(*it).length() > 0)
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46 argSs << "=" << std::get<1>(*it);
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47
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48 argvStrings[argCounter] = argSs.str();
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49 cmdLine = cmdLine + " " + argvStrings[argCounter];
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50 std::cout << cmdLine << std::endl;
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51 argv[argCounter] = argvStrings[argCounter].c_str();
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52 argCounter++;
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53 }
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56 std::cout << "simulated cmdLine = \"" << cmdLine.c_str() << "\"\n";
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58 try
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59 {
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60 boost::program_options::store(
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61 boost::program_options::command_line_parser(argCounter, argv.data()).
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62 options(options).allow_unregistered().run(), parameters);
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63 boost::program_options::notify(parameters);
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64 }
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65 catch (boost::program_options::error& e)
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66 {
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67 std::cerr << "Error while parsing the command-line arguments: " <<
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68 e.what() << std::endl;
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69 }
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70 }
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71 }