Point Cloud Library (PCL)  1.12.1-dev
parse.h
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38 
39 #pragma once
40 
41 #include <vector>
42 #include <sstream>
43 #include <pcl/pcl_macros.h>
44 
45 namespace pcl
46 {
47  namespace console
48  {
49  /** \brief Finds whether the argument with name "argument_name" is in the argument list "argv".
50  * An example for a widely used switch argument is the "-r" flag for unix commands that indicates whether
51  * the command should run recursively or not.
52  * \param[in] argc the number of command line arguments
53  * \param[in] argv the command line arguments
54  * \param[in] argument_name the string value to search for
55  * \return true if argument was found, false otherwise
56  * \note find_switch is simply returning find_argument != -1.
57  */
58  PCL_EXPORTS bool
59  find_switch (int argc, const char * const * argv, const char * argument_name);
60 
61  /** \brief Finds the position of the argument with name "argument_name" in the argument list "argv"
62  * \param[in] argc the number of command line arguments
63  * \param[in] argv the command line arguments
64  * \param[in] argument_name the string value to search for
65  * \return index of found argument or -1 if arguments do not appear in list
66  */
67  PCL_EXPORTS int
68  find_argument (int argc, const char * const * argv, const char * argument_name);
69 
70  /** \brief Template version for parsing arguments. Template parameter needs to have input stream operator overloaded!
71  * \param[in] argc the number of command line arguments
72  * \param[in] argv the command line arguments
73  * \param[in] argument_name the name of the argument to search for
74  * \param[out] value The value of the argument
75  * \return index of found argument or -1 if arguments do not appear in list
76  */
77  template<typename Type> int
78  parse (int argc, const char * const * argv, const char * argument_name, Type& value)
79  {
80  int index = find_argument (argc, argv, argument_name) + 1;
81 
82  if (index > 0 && index < argc)
83  {
84  std::istringstream stream;
85  stream.clear ();
86  stream.str (argv[index]);
87  stream >> value;
88  }
89 
90  return (index - 1);
91  }
92 
93  /** \brief Parse for a specific given command line argument.
94  * \param[in] argc the number of command line arguments
95  * \param[in] argv the command line arguments
96  * \param[in] str the string value to search for
97  * \param[out] val the resultant value
98  * \return index of found argument or -1 if arguments do not appear in list
99  */
100  PCL_EXPORTS int
101  parse_argument (int argc, const char * const * argv, const char * str, std::string &val);
102 
103  /** \brief Parse for a specific given command line argument.
104  * \param[in] argc the number of command line arguments
105  * \param[in] argv the command line arguments
106  * \param[in] str the string value to search for
107  * \param[out] val the resultant value
108  * \return index of found argument or -1 if arguments do not appear in list
109  */
110  PCL_EXPORTS int
111  parse_argument (int argc, const char * const * argv, const char * str, bool &val);
112 
113  /** \brief Parse for a specific given command line argument.
114  * \param[in] argc the number of command line arguments
115  * \param[in] argv the command line arguments
116  * \param[in] str the string value to search for
117  * \param[out] val the resultant value
118  * \return index of found argument or -1 if arguments do not appear in list
119  */
120  PCL_EXPORTS int
121  parse_argument (int argc, const char * const * argv, const char * str, float &val);
122 
123  /** \brief Parse for a specific given command line argument.
124  * \param[in] argc the number of command line arguments
125  * \param[in] argv the command line arguments
126  * \param[in] str the string value to search for
127  * \param[out] val the resultant value
128  * \return index of found argument or -1 if arguments do not appear in list
129  */
130  PCL_EXPORTS int
131  parse_argument (int argc, const char * const * argv, const char * str, double &val);
132 
133  /** \brief Parse for a specific given command line argument.
134  * \param[in] argc the number of command line arguments
135  * \param[in] argv the command line arguments
136  * \param[in] str the string value to search for
137  * \param[out] val the resultant value
138  * \return index of found argument or -1 if arguments do not appear in list
139  */
140  PCL_EXPORTS int
141  parse_argument (int argc, const char * const * argv, const char * str, int &val);
142 
143  /** \brief Parse for a specific given command line argument.
144  * \param[in] argc the number of command line arguments
145  * \param[in] argv the command line arguments
146  * \param[in] str the string value to search for
147  * \param[out] val the resultant value
148  * \return index of found argument or -1 if arguments do not appear in list
149  */
150  PCL_EXPORTS int
151  parse_argument (int argc, const char * const * argv, const char * str, unsigned int &val);
152 
153  /** \brief Parse for a specific given command line argument.
154  * \param[in] argc the number of command line arguments
155  * \param[in] argv the command line arguments
156  * \param[in] str the string value to search for
157  * \param[out] val the resultant value
158  * \return index of found argument or -1 if arguments do not appear in list
159  */
160  PCL_EXPORTS int
161  parse_argument (int argc, const char * const * argv, const char * str, long int &val) noexcept;
162 
163  /** \brief Parse for a specific given command line argument.
164  * \param[in] argc the number of command line arguments
165  * \param[in] argv the command line arguments
166  * \param[in] str the string value to search for
167  * \param[out] val the resultant value
168  * \return index of found argument or -1 if arguments do not appear in list
169  */
170  PCL_EXPORTS int
171  parse_argument (int argc, const char * const * argv, const char * str, char &val);
172 
173  /** \brief Parse for specific given command line arguments (2x values comma
174  * separated).
175  * \param[in] argc the number of command line arguments
176  * \param[in] argv the command line arguments
177  * \param[in] str the command line argument to search for
178  * \param[out] f the first output value
179  * \param[out] s the second output value
180  * \param[in] debug whether to print debug info or not
181  * \return index of found argument or -1 if arguments do not appear in list
182  */
183  PCL_EXPORTS int
184  parse_2x_arguments (int argc, const char * const * argv, const char * str, float &f, float &s, bool debug = true);
185 
186  /** \brief Parse for specific given command line arguments (2x values comma
187  * separated).
188  * \param[in] argc the number of command line arguments
189  * \param[in] argv the command line arguments
190  * \param[in] str the command line argument to search for
191  * \param[out] f the first output value
192  * \param[out] s the second output value
193  * \param[in] debug whether to print debug info or not
194  * \return index of found argument or -1 if arguments do not appear in list
195  */
196  PCL_EXPORTS int
197  parse_2x_arguments (int argc, const char * const * argv, const char * str, double &f, double &s, bool debug = true);
198 
199  /** \brief Parse for specific given command line arguments (2x values comma
200  * separated).
201  * \param[in] argc the number of command line arguments
202  * \param[in] argv the command line arguments
203  * \param[in] str the command line argument to search for
204  * \param[out] f the first output value
205  * \param[out] s the second output value
206  * \param[in] debug whether to print debug info or not
207  * \return index of found argument or -1 if arguments do not appear in list
208  */
209  PCL_EXPORTS int
210  parse_2x_arguments (int argc, const char * const * argv, const char * str, int &f, int &s, bool debug = true);
211 
212  /** \brief Parse for specific given command line arguments (3x values comma
213  * separated).
214  * \param[in] argc the number of command line arguments
215  * \param[in] argv the command line arguments
216  * \param[in] str the command line argument to search for
217  * \param[out] f the first output value
218  * \param[out] s the second output value
219  * \param[out] t the third output value
220  * \param[in] debug whether to print debug info or not
221  * \return index of found argument or -1 if arguments do not appear in list
222  */
223  PCL_EXPORTS int
224  parse_3x_arguments (int argc, const char * const * argv, const char * str, float &f, float &s, float &t, bool debug = true);
225 
226  /** \brief Parse for specific given command line arguments (3x values comma
227  * separated).
228  * \param[in] argc the number of command line arguments
229  * \param[in] argv the command line arguments
230  * \param[in] str the command line argument to search for
231  * \param[out] f the first output value
232  * \param[out] s the second output value
233  * \param[out] t the third output value
234  * \param[in] debug whether to print debug info or not
235  * \return index of found argument or -1 if arguments do not appear in list
236  */
237  PCL_EXPORTS int
238  parse_3x_arguments (int argc, const char * const * argv, const char * str, double &f, double &s, double &t, bool debug = true);
239 
240  /** \brief Parse for specific given command line arguments (3x values comma
241  * separated).
242  * \param[in] argc the number of command line arguments
243  * \param[in] argv the command line arguments
244  * \param[in] str the command line argument to search for
245  * \param[out] f the first output value
246  * \param[out] s the second output value
247  * \param[out] t the third output value
248  * \param[in] debug whether to print debug info or not
249  * return index of found argument or -1 if arguments do not appear in list
250  */
251  PCL_EXPORTS int
252  parse_3x_arguments (int argc, const char * const * argv, const char * str, int &f, int &s, int &t, bool debug = true);
253 
254  /** \brief Parse for specific given command line arguments (3x values comma
255  * separated).
256  * \param[in] argc the number of command line arguments
257  * \param[in] argv the command line arguments
258  * \param[in] str the command line argument to search for
259  * \param[out] v the vector into which the parsed values will be copied
260  * \return index of found argument or -1 if arguments do not appear in list
261  */
262  PCL_EXPORTS int
263  parse_x_arguments (int argc, const char * const * argv, const char * str, std::vector<double>& v);
264 
265  /** \brief Parse for specific given command line arguments (N values comma
266  * separated).
267  * \param[in] argc the number of command line arguments
268  * \param[in] argv the command line arguments
269  * \param[in] str the command line argument to search for
270  * \param[out] v the vector into which the parsed values will be copied
271  * \return index of found argument or -1 if arguments do not appear in list
272  */
273  PCL_EXPORTS int
274  parse_x_arguments (int argc, const char * const * argv, const char * str, std::vector<float>& v);
275 
276  /** \brief Parse for specific given command line arguments (N values comma
277  * separated).
278  * \param[in] argc the number of command line arguments
279  * \param[in] argv the command line arguments
280  * \param[in] str the command line argument to search for
281  * \param[out] v the vector into which the parsed values will be copied
282  * \return index of found argument or -1 if arguments do not appear in list
283  */
284  PCL_EXPORTS int
285  parse_x_arguments (int argc, const char * const * argv, const char * str, std::vector<int>& v);
286 
287  /** \brief Parse for specific given command line arguments (multiple occurrences
288  * of the same command line parameter).
289  * \param[in] argc the number of command line arguments
290  * \param[in] argv the command line arguments
291  * \param[in] str the command line argument to search for
292  * \param[out] values the resultant output values
293  * \return index of found argument or -1 if arguments do not appear in list
294  */
295  PCL_EXPORTS bool
296  parse_multiple_arguments (int argc, const char * const * argv, const char * str, std::vector<int> &values);
297 
298  /** \brief Parse for specific given command line arguments (multiple occurrences
299  * of the same command line parameter).
300  * \param[in] argc the number of command line arguments
301  * \param[in] argv the command line arguments
302  * \param[in] str the command line argument to search for
303  * \param[out] values the resultant output values
304  * \return true if found, false otherwise
305  */
306  PCL_EXPORTS bool
307  parse_multiple_arguments (int argc, const char * const * argv, const char * str, std::vector<float> &values);
308 
309  /** \brief Parse for specific given command line arguments (multiple occurrences
310  * of the same command line parameter).
311  * \param[in] argc the number of command line arguments
312  * \param[in] argv the command line arguments
313  * \param[in] str the command line argument to search for
314  * \param[out] values the resultant output values
315  * \return true if found, false otherwise
316  */
317  PCL_EXPORTS bool
318  parse_multiple_arguments (int argc, const char * const * argv, const char * str, std::vector<double> &values);
319 
320  /** \brief Parse for a specific given command line argument (multiple occurrences
321  * of the same command line parameter).
322  * \param[in] argc the number of command line arguments
323  * \param[in] argv the command line arguments
324  * \param[in] str the string value to search for
325  * \param[out] values the resultant output values
326  * \return true if found, false otherwise
327  */
328  PCL_EXPORTS bool
329  parse_multiple_arguments (int argc, const char * const * argv, const char * str, std::vector<std::string> &values);
330 
331  /** \brief Parse command line arguments for file names with given extension (multiple occurrences
332  * of 2x argument groups, separated by commas).
333  * \param[in] argc the number of command line arguments
334  * \param[in] argv the command line arguments
335  * \param[in] str the command line argument to search for
336  * \param[out] values_f the first vector of output values
337  * \param[out] values_s the second vector of output values
338  * \return true if found, false otherwise
339  */
340  PCL_EXPORTS bool
341  parse_multiple_2x_arguments (int argc, const char * const * argv, const char * str,
342  std::vector<double> &values_f,
343  std::vector<double> &values_s);
344 
345  /** \brief Parse command line arguments for file names with given extension (multiple occurrences
346  * of 3x argument groups, separated by commas).
347  * \param[in] argc the number of command line arguments
348  * \param[in] argv the command line arguments
349  * \param[in] str the command line argument to search for
350  * \param[out] values_f the first vector of output values
351  * \param[out] values_s the second vector of output values
352  * \param[out] values_t the third vector of output values
353  * \return true if found, false otherwise
354  */
355  PCL_EXPORTS bool
356  parse_multiple_3x_arguments (int argc, const char * const * argv, const char * str,
357  std::vector<double> &values_f,
358  std::vector<double> &values_s,
359  std::vector<double> &values_t);
360 
361  /** \brief Parse command line arguments for file names with given extension vector
362  * \param[in] argc the number of command line arguments
363  * \param[in] argv the command line arguments
364  * \param[in] extensions the extensions to search for
365  * \return a vector with file names indices
366  */
367  PCL_EXPORTS std::vector<int>
368  parse_file_extension_argument (int argc, const char * const * argv,
369  const std::vector<std::string> &extensions);
370 
371  /** \brief Parse command line arguments for file names with given extension
372  * \param[in] argc the number of command line arguments
373  * \param[in] argv the command line arguments
374  * \param[in] ext the extension to search for
375  * \return a vector with file names indices
376  */
377  PCL_EXPORTS std::vector<int>
378  parse_file_extension_argument (int argc, const char * const * argv, const std::string &ext);
379  }
380 }
PCL_EXPORTS int parse_argument(int argc, const char *const *argv, const char *str, std::string &val)
Parse for a specific given command line argument.
PCL_EXPORTS int parse_x_arguments(int argc, const char *const *argv, const char *str, std::vector< double > &v)
Parse for specific given command line arguments (3x values comma separated).
PCL_EXPORTS int parse_3x_arguments(int argc, const char *const *argv, const char *str, float &f, float &s, float &t, bool debug=true)
Parse for specific given command line arguments (3x values comma separated).
PCL_EXPORTS bool parse_multiple_3x_arguments(int argc, const char *const *argv, const char *str, std::vector< double > &values_f, std::vector< double > &values_s, std::vector< double > &values_t)
Parse command line arguments for file names with given extension (multiple occurrences of 3x argument...
PCL_EXPORTS bool find_switch(int argc, const char *const *argv, const char *argument_name)
Finds whether the argument with name "argument_name" is in the argument list "argv".
PCL_EXPORTS bool parse_multiple_2x_arguments(int argc, const char *const *argv, const char *str, std::vector< double > &values_f, std::vector< double > &values_s)
Parse command line arguments for file names with given extension (multiple occurrences of 2x argument...
PCL_EXPORTS int parse_2x_arguments(int argc, const char *const *argv, const char *str, float &f, float &s, bool debug=true)
Parse for specific given command line arguments (2x values comma separated).
PCL_EXPORTS std::vector< int > parse_file_extension_argument(int argc, const char *const *argv, const std::vector< std::string > &extensions)
Parse command line arguments for file names with given extension vector.
int parse(int argc, const char *const *argv, const char *argument_name, Type &value)
Template version for parsing arguments.
Definition: parse.h:78
PCL_EXPORTS int find_argument(int argc, const char *const *argv, const char *argument_name)
Finds the position of the argument with name "argument_name" in the argument list "argv".
PCL_EXPORTS bool parse_multiple_arguments(int argc, const char *const *argv, const char *str, std::vector< int > &values)
Parse for specific given command line arguments (multiple occurrences of the same command line parame...
Defines all the PCL and non-PCL macros used.
#define PCL_EXPORTS
Definition: pcl_macros.h:323