source: src/CommandLineParser.cpp@ 88104f

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Last change on this file since 88104f was 7e6b00, checked in by Frederik Heber <heber@…>, 15 years ago

FIX: Sequence of actions called from command line is now corrected.

  • MapOfActions: new function getShortFormToActionMap() which gives the inverse of the ShortFormMap.
  • CommandLineParser: new function scanforSequenceOfArguments() added to Run() which:
    • goes through the arguments
    • picks out the command
    • if prefixed by "-" uses the map to look up the actionname, for "--" the name is the command.
  • main(): creates the map by calling getShortFormToActionMap() and handing over to CommandLineParser::Run()
  • Property mode set to 100644
File size: 3.1 KB
Line 
1/*
2 * CommandLineParser.cpp
3 *
4 * Created on: May 8, 2010
5 * Author: heber
6 */
7
8#include <boost/program_options.hpp>
9#include <fstream>
10#include <iostream>
11#include <map>
12
13#include "Patterns/Singleton_impl.hpp"
14#include "CommandLineParser.hpp"
15#include "log.hpp"
16#include "verbose.hpp"
17
18using namespace std;
19
20/** Constructor of class CommandLineParser.
21 *
22 */
23CommandLineParser::CommandLineParser() :
24 generic("Generic options"),
25 config("Configuration"),
26 hidden("Hidden options"),
27 visible("Allowed options")
28{}
29
30/** Destructor of class CommandLineParser.
31 *
32 */
33CommandLineParser::~CommandLineParser()
34{}
35
36/** Parses the command line arguments.
37 * Calls program_options::store() and program_options::notify()
38 */
39void CommandLineParser::Parse()
40{
41 po::store(po::command_line_parser(argc,argv).options(cmdline_options).options(visible).positional(inputfile).run(), vm);
42 ifstream input;
43 input.open("example.cfg");
44 if (!input.fail())
45 po::store(po::parse_config_file(input, config_file_options), vm);
46 input.close();
47 po::notify(vm);
48}
49
50/** Scan the argument list for -a or --arguments and store their order for later use.
51 * \param &ShortFormToActionMap e.g. gives "help" for "h"
52 */
53void CommandLineParser::scanforSequenceOfArguments(map <std::string, std::string> &ShortFormToActionMap)
54{
55 // go through all arguments
56 for (int i=1;i<argc;i++) {
57 (cout << Verbose(1) << "Checking on " << argv[i] << endl);
58 // check whether they begin with - or -- and check that next letter is not numeric, if so insert
59 if (argv[i][0] == '-') {
60 (cout << Verbose(1) << "Possible argument: " << argv[i] << endl);
61 if (argv[i][1] == '-') {
62 (cout << Verbose(1) << "Putting " << argv[i] << " into the sequence." << endl);
63 SequenceOfActions.push_back(&(argv[i][2]));
64 } else if (((argv[i][1] < '0') || (argv[i][1] > '9')) && ((argv[i][1] != '.'))) {
65 map <std::string, std::string>::iterator iter = ShortFormToActionMap.find(&(argv[i][1]));
66 if (iter != ShortFormToActionMap.end()) {
67 (cout << Verbose(1) << "Putting " << iter->second << " for " << iter->first << " into the sequence." << endl);
68 SequenceOfActions.push_back(iter->second);
69 }
70 }
71 }
72 }
73}
74
75
76/** States whether there are command line arguments.
77 * \return true - there are none, false - there is at least one command line argument
78 */
79bool CommandLineParser::isEmpty()
80{
81 return vm.empty();
82}
83
84/** Sets the options.
85 * \param _argc arg count from main()
86 * \param **_argv argument array from main()
87 */
88void CommandLineParser::setOptions(int _argc, char **_argv)
89{
90 argc = _argc;
91 argv = _argv;
92 cmdline_options.add(generic).add(config).add(hidden);
93 config_file_options.add(config).add(hidden);
94 visible.add(generic).add(config);
95}
96
97/** Makes the Parser parse the command line options with current known options.
98 * \param _argc arg count from main()
99 * \param **_argv argument array from main()
100 */
101void CommandLineParser::Run(int _argc, char **_argv, map <std::string, std::string> &ShortFormToActionMap)
102{
103 setOptions(_argc,_argv);
104 Parse();
105 scanforSequenceOfArguments(ShortFormToActionMap);
106}
107
108CONSTRUCT_SINGLETON(CommandLineParser)
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