GCC Code Coverage Report

Directory: ./
File: src/OptionParser.cpp
Date: 2024-07-27 10:53:27
Exec Total Coverage
Lines: 215 227 94.7%
Branches: 220 269 81.8%
Line Branch Exec Source
1 /***************************************
2 Auteur : Pierre Aubert
3 Mail : pierre.aubert@lapp.in2p3.fr
4 Licence : CeCILL-C
5 ****************************************/
6
7 #include "string_utils.h"
8 #include "OptionParser.h"
9
10 using namespace std;
11
12 ///Default constructeur of OptionParser
13 /** @param enableHelpOption : True to enable automatically the printing of the help option when the program is called with --help or -h
14 * @param programVersion : version of the program to be printed on --version or -v options
15 */
16 55 OptionParser::OptionParser(bool enableHelpOption, const std::string & programVersion)
17
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 55 :p_enableHelpOption(enableHelpOption), p_programVersion(programVersion)
18 {
19
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 55 initialisationOptionParser();
20 55 }
21
22 ///Copy constructor of OptionParser
23 /** @param other : class to copy
24 */
25 2 OptionParser::OptionParser(const OptionParser & other){
26
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 2 copyOptionParser(other);
27 2 }
28
29 ///Destructeur of OptionParser
30 56 OptionParser::~OptionParser(){
31
32 }
33
34 ///Definition of equal operator of OptionParser
35 /** @param other : class to copy
36 * @return copied class
37 */
38 2 OptionParser & OptionParser::operator = (const OptionParser & other){
39 2 copyOptionParser(other);
40 2 return *this;
41 }
42
43 ///Set the example usage of the program
44 /** @param example : example of usage
45 */
46 13 void OptionParser::setExampleLongOption(const std::string & example){p_exempleLongOption = example;}
47
48 ///Set the example usage of the program
49 /** @param example : example of usage
50 */
51 13 void OptionParser::setExampleShortOption(const std::string & example){p_exempleShortOption = example;}
52
53 ///Add a mode in the option
54 /** @param modeName : name of the new mode to be added
55 */
56 64 void OptionParser::addMode(const std::string & modeName){
57
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 64 OptionMode mode(modeName);
58
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 64 mode.setEnableHelpOption(p_enableHelpOption);
59
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 64 mode.setProgramVersion(p_programVersion);
60
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 64 p_vecMode.push_back(mode);
61 64 p_currentMode = p_vecMode.size() - 1lu;
62 64 }
63
64 ///Close the current mode and go back to be default one
65 64 void OptionParser::closeMode(){
66 64 p_currentMode = 0lu;
67 64 }
68
69 ///Add an option in the OptionParser
70 /** @param longOption : long option (start with --) as --version
71 * @param shortOption : short option (start with -) as -v
72 * @param optionType : type of the value to be parsed (INT, BOOL_ CHAR, FLOAT, STRING, FILENAME, DIRECTORY, etc)
73 * @param isRequired : true if the option is required, false if it is optionnal
74 * @param docString : documentation string of the option
75 */
76 121 void OptionParser::addOption(const std::string & longOption, const std::string & shortOption, OptionType::OptionType optionType,
77 bool isRequired, const std::string & docString)
78 {
79
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 121 OptionValue value;
80
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 121 value.setType(optionType);
81
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 121 Option option(longOption, shortOption, value, isRequired, docString);
82
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 121 option.setIsAllowEmpty(false);
83
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 121 p_vecMode[p_currentMode].addOption(option);
84 121 }
85
86 ///Add an option in the OptionParser
87 /** @param longOption : long option (start with --) as --version
88 * @param shortOption : short option (start with -) as -v
89 * @param optionType : type of the value to be parsed (INT, BOOL_ CHAR, FLOAT, STRING, FILENAME, DIRECTORY, etc)
90 * @param isRequired : true if the option is required, false if it is optionnal
91 * @param isAllowEmpty : the given value can be empty
92 * @param docString : documentation string of the option
93 */
94 2 void OptionParser::addOption(const std::string & longOption, const std::string & shortOption, OptionType::OptionType optionType,
95 bool isRequired, bool isAllowEmpty, const std::string & docString)
96 {
97
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 2 OptionValue value;
98
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 2 value.setType(optionType);
99
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 2 Option option(longOption, shortOption, value, isRequired, docString);
100
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 2 option.setIsAllowEmpty(isAllowEmpty);
101
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 2 p_vecMode[p_currentMode].addOption(option);
102 2 }
103
104 ///Print all the options
105 9 void OptionParser::print() const{
106
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 9 if(p_exempleLongOption != "" || p_exempleShortOption != ""){
107
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 7 cout << "Usage :" << endl;
108
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 7 if(p_exempleLongOption != ""){cout << "\t" << p_exempleLongOption << endl;}
109
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 7 if(p_exempleShortOption != ""){cout << "\t" << p_exempleShortOption << endl;}
110 }
111
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 9 cout << "Parameters :" << endl;
112 9 VecMode::const_iterator it(p_vecMode.begin());
113
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 9 it->print();
114 9 ++it;
115
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 13 while(it != p_vecMode.end()){
116
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 4 it->print();
117 4 ++it;
118 }
119 9 }
120
121 ///Parse the arguments passed to the program
122 /** @param argc : number of parameters passed to the program
123 * @param argv : list of arguments passed to the program
124 */
125 53 void OptionParser::parseArgument(int argc, char** argv){
126
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 53 ArgParser parser(argc, argv);
127
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 53 if(parser.isBashCompletionMode()){
128
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 22 parseArgumentBashCompletion(parser);
129 }else{
130
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 31 parseArgumentNormalUse(parser);
131 }
132 24 }
133
134 ///Get default mode
135 /** @return default mode
136 */
137 6 const OptionMode & OptionParser::getDefaultMode() const{
138 6 return p_vecMode[0lu];
139 }
140
141 ///Get default mode
142 /** @return default mode
143 */
144 15 OptionMode & OptionParser::getDefaultMode(){
145 15 return p_vecMode[0lu];
146 }
147
148 ///Get mode by name
149 /** @param name : name of the mode to be returned
150 * @return corresponding mode if the mode exists or the default mode otherwise
151 */
152 4 const OptionMode & OptionParser::getMode(const std::string & name) const{
153
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 8 for(VecMode::const_iterator it(p_vecMode.begin()); it != p_vecMode.end(); ++it){
154
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 6 if(it->getName() == name){
155 2 return *it;
156 }
157 }
158 2 return getDefaultMode();
159 }
160
161 ///Get mode by name
162 /** @param name : name of the mode to be returned
163 * @return corresponding mode if the mode exists or the default mode otherwise
164 */
165 38 OptionMode & OptionParser::getMode(const std::string & name){
166
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 91 for(VecMode::iterator it(p_vecMode.begin()); it != p_vecMode.end(); ++it){
167
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 89 if(it->getName() == name){
168 36 return *it;
169 }
170 }
171 2 return getDefaultMode();
172 }
173
174 ///Check if the given mode name does exist
175 /** @param name : name of the mode
176 * @return true if the given mode name does exist, false otherwise
177 */
178 35 bool OptionParser::isModeExist(const std::string & name) const{
179 35 bool isSearch(true);
180 35 VecMode::const_iterator it(p_vecMode.begin());
181
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 99 while(isSearch && it != p_vecMode.end()){
182
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 64 isSearch &= it->getName() != name;
183 64 ++it;
184 }
185 35 return !isSearch;
186 }
187
188 ///Copy function of OptionParser
189 /** @param other : class to copy
190 */
191 4 void OptionParser::copyOptionParser(const OptionParser & other){
192 4 p_vecMode = other.p_vecMode;
193 4 p_currentMode = other.p_currentMode;
194 4 p_exempleShortOption = other.p_exempleShortOption;
195 4 p_exempleLongOption = other.p_exempleLongOption;
196 4 p_programVersion = other.p_programVersion;
197 4 p_enableHelpOption = other.p_enableHelpOption;
198 4 }
199
200 ///Initialisation function of the class OptionParser
201 55 void OptionParser::initialisationOptionParser(){
202 55 p_currentMode = 0lu;
203 55 p_currentParserMode = NULL;
204
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 110 OptionMode defaultMode;
205
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 55 p_vecMode.push_back(defaultMode);
206 55 }
207
208 ///Classical argument parsing mode
209 /** @param parser : parser to be used
210 */
211 31 void OptionParser::parseArgumentNormalUse(ArgParser & parser){
212 31 p_currentParserMode = &p_vecMode.front();
213
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 60 while(!parser.isEndOfOption()){
214
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 36 if(p_enableHelpOption){
215
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 36 if(parser.getCurrentOption() == "--help" || parser.getCurrentOption() == "-h"){
216 1 print();
217 1 exit(0);
218 }
219 }
220
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 35 if(p_programVersion != ""){
221
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 35 if(parser.getCurrentOption() == "--version" || parser.getCurrentOption() == "-v"){
222 ✗ cout << "Program version : " << p_programVersion << endl;
223 ✗ exit(0);
224 }
225 }
226 35 OptionMode & currentMode = getParserMode(parser);
227
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 35 if(!currentMode.parseOption(parser)){
228 ✗ std::string modeName(currentMode.getName());
229 ✗ std::string modeError("");
230 ✗ if(modeName != ""){
231 ✗ modeError = " in mode '"+modeName+"' ";
232 }
233 ✗ throw std::runtime_error("OptionParser::parseArgument : unknown option '"+parser.getCurrentOption()+"'" + modeError);
234 }
235 }
236
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 24 if(!checkArgument()){
237 ✗ throw std::runtime_error("OptionParser::parseArgument : missing argument");
238 }
239 24 }
240
241 ///Bash completion argument parsing mode
242 /** @param parser : parser to be used
243 */
244 22 void OptionParser::parseArgumentBashCompletion(ArgParser & parser){
245 //First step, we parse normally the existing arguments
246
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 22 std::string cursorOption(parser.getCursorOption());
247
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 22 std::string prevCursorOption(parser.getPrevCursorOption());
248 22 Option * partialOption = NULL;
249
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 45 while(!parser.isEndOfOption()){ //We loop to find the option which has not been parsed well
250 23 bool isSearch(true);
251 23 VecMode::iterator itMode = p_vecMode.begin();
252
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 68 while(!parser.isEndOfOption() && itMode != p_vecMode.end() && isSearch){
253
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 45 isSearch = !itMode->parseOption(parser, partialOption);
254 45 ++itMode;
255 }
256
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 23 if(isSearch){ //If no option matches, we go to the next argument
257
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 11 parser.getNextOption();
258 }
259 }
260 //Complete the ongoing option (filename, directory, enum value, etc)
261 // if(partialOption != NULL){ //The option name has no ambiguity but we expect a value
262 // std::string possibleValue("");
263 // partialOption->getPossibleValue(possibleValue, cursorOption);
264 // cout << possibleValue << endl;
265 // }else{
266 //Let's get the mode which is currently parsed
267 //If all the options are fine, we have to show the remaning options. That's the following
268
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 22 std::string possibleValue("");
269
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 22 if(completeOptionValue(possibleValue, cursorOption, prevCursorOption)){
270 // saveFileContent("listPossibleValues.txt", possibleValue);
271
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 8 std::cout << possibleValue << std::endl;
272 }else{
273 //Then, get the remaning arguments (not parsed yet)
274
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 14 std::string possibleOption("");
275
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 14 getPossibleOption(possibleOption, cursorOption);
276
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 14 getPossibleOtherOption(possibleOption, cursorOption);
277
278 // saveFileContent("listPossibleOption.txt", possibleOption);
279
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 14 std::cout << possibleOption << std::endl;
280 14 }
281 // }
282 22 exit(0);
283 // La marche a suivre est assez simple
284 // On renvoie une ligne par argument possible
285 // Si il y en a qu'une seule, elle sera ajouté à la fin de la ligne de commande
286 // DONE : mettre en place un méchanisme pour générer le bash qui appellera le programme différemment
287 }
288
289 ///Check the argument of the parser
290 /** @return true if all the required arguments are set, false otherwise
291 */
292 24 bool OptionParser::checkArgument() const{
293 24 bool isArgOk(true);
294 24 VecMode::const_iterator it(p_vecMode.begin());
295
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 68 while(it != p_vecMode.end() && isArgOk){
296
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 44 isArgOk = it->checkArgument();
297 44 ++it;
298 }
299 24 return isArgOk;
300 }
301
302 ///Get a mode if it exist
303 /** @param parser : parser to be used
304 * @return corresponding mode
305 */
306 35 OptionMode & OptionParser::getParserMode(ArgParser & parser){
307
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 35 std::string currentOption(parser.getCurrentOption());
308
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 35 if(isModeExist(currentOption)){
309
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 16 OptionMode & mode = getMode(currentOption);
310 16 p_currentParserMode = &mode;
311
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 16 parser.getNextOption();
312 16 return mode;
313 }else{
314 19 return *p_currentParserMode;
315 }
316 35 }
317
318 ///Get the currently parsed OptionMode
319 /** @return pointer to the currently parsed OptionMode, it there is one, or NULL is there is not
320 */
321 9 const OptionMode * OptionParser::getCurrentlyParsedMode() const{
322 9 const OptionMode * mode = NULL;
323 9 VecMode::const_iterator it(p_vecMode.begin());
324
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 29 while(it != p_vecMode.end() && mode == NULL){
325
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 20 if(it->isCurrentlyParsed() && it->getName() != ""){
326 8 mode = &(*it);
327 }
328 20 ++it;
329 }
330 9 return mode;
331 }
332
333 ///Complete the possible value of an option (FILENAME, DIRECTORY, FILE_OR_DIR)
334 /** @param[out] possibleValue : possible value
335 * @param cursorOption : option of the cursor which is currently completed
336 * @param prevCursorOption : previous option of the cursor
337 */
338 22 bool OptionParser::completeOptionValue(std::string & possibleValue, const std::string & cursorOption, const std::string & prevCursorOption) const{
339 // std::cerr << "OptionParser::completeOptionValue : cursorOption = '"<<cursorOption<<"', prevCursorOption = '"<<prevCursorOption<<"'" << std::endl;
340
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 22 std::string valueToBeCompleted("");
341 //Check is the cursor option starts with a long option (--option=value) because the value can be completed
342
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 22 const Option * op = getLongOptionValue(valueToBeCompleted, cursorOption);
343
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 22 if(op == NULL){ //Check is the previous option corresponds to an existing option, to complete the value given by the current option
344
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 22 op = getSplitOptionValue(valueToBeCompleted, cursorOption, prevCursorOption);
345 }
346
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 22 if(op != NULL){
347
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 8 op->getPossibleValue(possibleValue, valueToBeCompleted);
348 // std::cerr << "OptionParser::completeOptionValue : possibleValue = '"<<possibleValue<<"'" << std::endl;
349 8 return true;
350 }
351 14 return false;
352 22 }
353
354 ///Get the long option value to be completed
355 /** @param[out] valueToBeCompleted : base of the value to be completed
356 * @param cursorOption : option of the cursor which is currently completed
357 * @return pointer to the Option to be completed or NULL if there is not
358 */
359 22 const Option * OptionParser::getLongOptionValue(std::string & valueToBeCompleted, const std::string & cursorOption) const{
360
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 22 if(cursorOption == ""){return NULL;}
361 15 const Option * op = NULL;
362 15 VecMode::const_iterator itMode(p_vecMode.begin());
363
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 54 while(itMode != p_vecMode.end() && op == NULL){
364
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 39 if(itMode->isCurrentlyParsed()){
365
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 27 const VecOption & vecOp = itMode->getVecOption();
366 27 VecOption::const_iterator itOp(vecOp.begin());
367
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 66 while(itOp != vecOp.end() && op == NULL){
368
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 39 std::string fullOp("--" + itOp->getLongName() + "=");
369
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 39 if(isSameBegining(cursorOption, fullOp)){
370 ✗ op = &(*itOp);
371 ✗ valueToBeCompleted = cursorOption.substr(fullOp.size());
372 }
373 39 ++itOp;
374 39 }
375 }
376 39 ++itMode;
377 }
378 15 return op;
379 }
380
381 ///Get the split option (without =) value to be completed
382 /** @param[out] valueToBeCompleted : base of the value to be completed
383 * @param cursorOption : option of the cursor which is currently completed
384 * @param prevCursorOption : previous option of the cursor
385 * @return pointer to the Option to be completed or NULL if there is not
386 */
387 22 const Option * OptionParser::getSplitOptionValue(std::string & valueToBeCompleted, const std::string & cursorOption, const std::string & prevCursorOption) const{
388
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 22 if(prevCursorOption == ""){return NULL;}
389 16 const Option * op = NULL;
390 16 VecMode::const_iterator itMode(p_vecMode.begin());
391
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 55 while(itMode != p_vecMode.end() && op == NULL){
392
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 39 if(itMode->isCurrentlyParsed()){ //Search only in the mode which is currently parsed
393
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 31 const VecOption & vecOp = itMode->getVecOption();
394 31 VecOption::const_iterator itOp(vecOp.begin());
395
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 75 while(itOp != vecOp.end() && op == NULL){
396
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 44 std::string fullLongOp("--" + itOp->getLongName()), fullShortOption("-" + itOp->getShortName());
397
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 44 if(fullLongOp == prevCursorOption){
398 8 op = &(*itOp);
399
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 8 valueToBeCompleted = cursorOption;
400
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 36 }else if(fullShortOption == prevCursorOption){
401 ✗ op = &(*itOp);
402 ✗ valueToBeCompleted = cursorOption;
403 }
404 44 ++itOp;
405 44 }
406 }
407 39 ++itMode;
408 }
409 16 return op;
410 }
411
412 ///Get the possible options which can be used
413 /** @param[out] possibleOption : possible options for the bash completion
414 * @param cursorOption : option of the cursor which is currently completed
415 */
416 14 void OptionParser::getPossibleOption(std::string & possibleOption, const std::string & cursorOption) const{
417
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 14 if(p_vecMode.size() == 1lu){
418 5 p_vecMode.front().getPossibleOption(possibleOption, cursorOption);
419 }else{
420 9 const OptionMode * currentlyParsedMode = getCurrentlyParsedMode();
421
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 9 if(currentlyParsedMode != NULL){
422 8 currentlyParsedMode->getPossibleOption(possibleOption, cursorOption);
423 }else{
424
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 4 for(VecMode::const_iterator itMode = p_vecMode.begin(); itMode != p_vecMode.end(); ++itMode){
425
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 3 itMode->getPossibleMode(possibleOption, cursorOption);
426 }
427 }
428 }
429 14 }
430
431 ///Get the possible other options which can be used
432 /** @param[out] possibleOption : possible options for the bash completion
433 * @param cursorOption : option of the cursor which is currently completed
434 */
435 14 void OptionParser::getPossibleOtherOption(std::string & possibleOption, const std::string & cursorOption) const{
436 14 std::vector<std::string> vecOtherOption;
437
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 14 vecOtherOption.push_back("--help");
438
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 14 vecOtherOption.push_back("-h");
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 14 vecOtherOption.push_back("--version");
440
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 14 vecOtherOption.push_back("-v");
441
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 70 for(std::vector<std::string>::iterator it(vecOtherOption.begin()); it != vecOtherOption.end(); ++it){
443
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 56 std::string optionStr(*it);
444
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 56 if(cursorOption == ""){
445
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 20 possibleOption += optionStr + " ";
446 }else{
447
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 36 if(isSameBegining(optionStr, cursorOption)){
448
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 19 possibleOption += optionStr + " ";
449 }
450 }
451 56 }
452 14 }
453
454