4741aa72 |
1 | /****************************************************************************** |
2 | * |
3 | * LDC2 source code |
4 | * |
e7ba2001 |
5 | * $Date: 2007/06/15 12:46:04 $ |
4741aa72 |
6 | * $Author: hachti $ |
7 | * |
8 | * $Log: configuration_manager.cpp,v $ |
e7ba2001 |
9 | * Revision 2.2 2007/06/15 12:46:04 hachti |
10 | * Some small changes in configuration_manager output - added (c/f) info. |
11 | * Changed order in tool.hh:add_unique.... |
12 | * |
13 | * Revision 2.1 2007-03-26 04:05:37 hachti |
ea78fc91 |
14 | * *** empty log message *** |
15 | * |
16 | * Revision 2.0 2007-03-26 01:00:38 hachti |
4741aa72 |
17 | * *** empty log message *** |
18 | * |
19 | * |
20 | ******************************************************************************/ |
21 | |
ca5fce3a |
22 | #include "configuration_manager.hh" |
ad324d29 |
23 | #include <stdio.h> |
50c86ded |
24 | #include <stdlib.h> |
25 | #include <fcntl.h> |
ad324d29 |
26 | |
909d3603 |
27 | #define MAX_LINE_LENGTH 80 |
28 | |
ad324d29 |
29 | /*! |
30 | *\brief Constructor. |
31 | * |
ca5fce3a |
32 | * This constructor makes a new configuration_manager ready to use. |
ad324d29 |
33 | *\arg name Name of the application as mentioned in the |
34 | * "Use: <appname> ..." help message. |
35 | */ |
ca5fce3a |
36 | configuration_manager::configuration_manager(string name){ |
040533c5 |
37 | app_name=name; |
ad324d29 |
38 | } |
39 | |
40 | |
41 | /*! |
ca5fce3a |
42 | *\brief Add a new configuration value to be searched for. |
ad324d29 |
43 | *\param shortname A character for the short form. |
909d3603 |
44 | * For example the o in -o |
ad324d29 |
45 | *\param longname The double dash longname. For example |
909d3603 |
46 | * output_file in --output_file= |
ca5fce3a |
47 | *\param description A detailed description of the value. |
ad324d29 |
48 | *\param status Pointer to an integer. Will be set to 1 if arg found. |
ea4c19a4 |
49 | *\param target Pointer to string to put the value in. |
50 | *\param placeholder A placeholder for the documentation. |
ca5fce3a |
51 | * For example <filename> in -f<filename> |
ea78fc91 |
52 | *\param allow_cmdline Specifies if this value may be specified on the |
53 | * command line. |
54 | *\param allow_conffile Specifies if this value may be specified in a |
55 | * configuration file. |
56 | * |
ad324d29 |
57 | */ |
909d3603 |
58 | void configuration_manager::add_option_value (const string & shortname, |
59 | const string & longname, |
60 | const string & description, |
61 | int * status, |
62 | string * target, |
63 | const string & placeholder, |
64 | const bool & allow_cmdline, |
65 | const bool & allow_conffile |
66 | ){ |
ad324d29 |
67 | |
909d3603 |
68 | if(status!=NULL) if (target!=NULL) |
69 | option_values.insert(option_values.end(), |
70 | opt_value_t(shortname, |
71 | longname, |
72 | description, |
73 | status, |
74 | target, |
75 | placeholder, |
76 | allow_cmdline, |
77 | allow_conffile |
78 | ) |
79 | ); |
ad324d29 |
80 | } |
81 | |
82 | |
909d3603 |
83 | |
84 | /*! |
85 | *\brief Add a new configuration switch to be searched for. |
86 | *\param shortname A character for the short form. |
87 | * For example the h in -h |
88 | *\param longname The double dash longname. For example |
89 | * help in --help |
90 | *\param description A detailed description of the value. |
91 | *\param status Pointer to an integer. Will be set to 1 if arg found. |
92 | *\param allow_cmdline Specifies whether the switch is acceptable on the |
93 | * command line. |
94 | *\param allow_conffile Specifies whether the switch is acceptable |
95 | * in a configuration file. |
96 | */ |
97 | void configuration_manager::add_option_switch (const string & shortname, |
98 | const string & longname, |
99 | const string & description, |
100 | int * status, |
101 | const bool & allow_cmdline, |
102 | const bool & allow_conffile |
103 | ){ |
104 | |
105 | if(status!=NULL) |
106 | option_switches.insert(option_switches.end(), |
107 | opt_switch_t(shortname, |
108 | longname, |
109 | description, |
110 | status, |
111 | allow_cmdline, |
112 | allow_conffile) |
113 | ); |
114 | } |
115 | |
ad324d29 |
116 | /*! |
117 | *\brief Add an accepted argument to the argument reader. |
118 | *\param placeholder Something like "<input-file>". |
119 | *\param description Text describing the argument. |
909d3603 |
120 | *\param status A pointer to a status variable. Will be set to 0 by default. |
ad324d29 |
121 | * If the argument is filled in, it will be set to 1. |
122 | *\param target A pointer to a c++ string where the argument goes to. |
123 | * |
124 | *\note Arguments are filled in the order of adding them to the |
125 | * argument reader. |
126 | * There would be no other way to determine the order. |
127 | */ |
909d3603 |
128 | void configuration_manager::add_argument(const string & description, |
129 | int * status, |
130 | string * target, |
131 | const string & placeholder){ |
132 | |
133 | |
134 | |
ad324d29 |
135 | if (target!=NULL) if(status!=NULL) |
909d3603 |
136 | cmd_args.insert(cmd_args.end(),cmd_arg_t(placeholder, |
137 | description, |
138 | status, |
139 | target)); |
ad324d29 |
140 | } |
141 | |
142 | |
143 | /*! |
ea78fc91 |
144 | *\brief Read in the args passed to main(). |
ad324d29 |
145 | *\returns empty vector on success or the error messages to be output. |
146 | */ |
ca5fce3a |
147 | vector<string> configuration_manager::read_args(int argc, char ** args){ |
909d3603 |
148 | |
149 | vector<string> messages; |
ad324d29 |
150 | vector<string> argv; |
ad324d29 |
151 | |
909d3603 |
152 | // First we make a C++ string vector out of the **argv. |
153 | for (char ** akt=args+1; *akt ;akt++) argv.insert(argv.end(),string(*akt)); |
154 | |
155 | // Counter for the free command line parameters. |
ad324d29 |
156 | unsigned int free_parms_count=0; |
909d3603 |
157 | |
158 | // Loop through the command line arguments |
159 | for (unsigned int arg_no=0;arg_no<argv.size();arg_no++){ |
160 | bool found=false; |
161 | string argstring; |
ad324d29 |
162 | |
909d3603 |
163 | // Look for long parameters. |
e7ba2001 |
164 | // if ((argv[arg_no].substr(0,2)=="--")&&(free_parms_count==0)){ |
165 | if ((argv[arg_no].substr(0,2)=="--")){ // Changed for comfort. |
909d3603 |
166 | argstring=argv[arg_no].substr(2); |
167 | |
168 | // Look for long switches. |
169 | for (unsigned int switch_no=0;switch_no<option_switches.size();switch_no++){ |
170 | string switch_name=option_switches[switch_no].longname; |
171 | if (argstring.compare(0,switch_name.length(),switch_name,0,switch_name.length())==0){ |
172 | string value=analyse_string(argstring); |
173 | bool result=analyse_bool(value); |
fed2c751 |
174 | if(option_switches[switch_no].allow_cmdline==true){ |
175 | *(option_switches[switch_no].status)=result; |
176 | }else{ |
177 | messages.insert(messages.end(),"Switch \"--" |
178 | +option_switches[switch_no].longname |
179 | +"\" is not allowed on the command line!"); |
180 | } |
909d3603 |
181 | found=true; |
fed2c751 |
182 | break; |
909d3603 |
183 | } |
184 | } |
185 | |
186 | // Look for long values. |
187 | for (unsigned int value_no=0;value_no<option_values.size();value_no++){ |
188 | string value_name=option_values[value_no].longname; |
189 | if (argstring.compare(0,value_name.length(),value_name,0,value_name.length())==0){ |
190 | string value=analyse_string(argstring); |
fed2c751 |
191 | if(option_values[value_no].allow_cmdline==true){ |
192 | *(option_values[value_no].status)=1; |
193 | *(option_values[value_no].target)=value; |
194 | }else{ |
195 | messages.insert(messages.end(),"Option value \"--" |
196 | +option_values[value_no].longname |
197 | +"\" is not allowed on the command line!"); |
198 | } |
909d3603 |
199 | found=true; |
fed2c751 |
200 | break; |
ad324d29 |
201 | } |
909d3603 |
202 | } |
203 | if (! found) { |
204 | messages.insert(messages.begin(),"Unknown option: --"+argstring+"!"); |
205 | found=true; // Oh! |
206 | } |
207 | } |
208 | |
209 | // Look for short parameters |
e7ba2001 |
210 | // if ((argv[arg_no].substr(0,1)=="-")&&(free_parms_count==0)&&(!found)){ // Short parameters |
211 | if ((argv[arg_no].substr(0,1)=="-")&&(!found)){ // Changed for comfort. |
909d3603 |
212 | found=true; |
213 | argstring=argv[arg_no].substr(1); // Reassign, with one more character now |
214 | for (unsigned int pos=0;pos < argstring.length();pos++){ |
215 | bool short_found=false; |
216 | |
217 | // First, find short switches |
218 | for (unsigned int switch_no=0;switch_no<option_switches.size();switch_no++){ |
219 | string short_name=option_switches[switch_no].shortname; |
220 | if (short_name.compare(0,short_name.length(),argstring,pos,short_name.length())==0){ |
fed2c751 |
221 | if(option_switches[switch_no].allow_cmdline==true){ |
222 | *(option_switches[switch_no].status)=1; |
223 | }else{ |
224 | messages.insert(messages.end(),"Switch \"-" |
225 | +option_switches[switch_no].shortname |
226 | +"\" is not allowed on the command line!"); |
227 | } |
909d3603 |
228 | short_found=true; |
229 | pos+=short_name.length()-1; |
fed2c751 |
230 | break; |
909d3603 |
231 | } |
232 | } |
233 | |
234 | // Now, find short values |
235 | if (!short_found){ |
236 | for (unsigned int value_no=0;value_no<option_values.size();value_no++){ |
237 | string short_name=option_values[value_no].shortname; |
238 | |
239 | if (short_name.compare(0,short_name.length(),argstring,pos,short_name.length())==0){ |
240 | if (pos==argstring.length()-1){ // Last character, where's the value? |
241 | if (arg_no<argv.size()-1){ // Take next complete argument as value! |
242 | *(option_values[value_no].status)=1; |
243 | *(option_values[value_no].target)=argv[arg_no+1]; |
244 | arg_no+=1; // Consume the next argument |
245 | short_found=true; |
246 | } else { // No argument left! |
247 | messages.insert(messages.begin(),"Missing value for -"+short_name+"!"); |
248 | short_found=true; |
249 | } |
250 | } else { |
fed2c751 |
251 | if(option_values[value_no].allow_cmdline==true){ |
252 | *(option_values[value_no].status)=1; |
253 | *(option_values[value_no].target)=argstring.substr(pos+1); |
254 | }else{ |
255 | messages.insert(messages.end(),"Option value \"-" |
256 | +option_values[value_no].shortname |
257 | +"\" is not allowed on the command line!"); |
258 | } |
909d3603 |
259 | pos=argstring.length(); // Do not analyse other characters. |
260 | short_found=true; |
fed2c751 |
261 | break; |
909d3603 |
262 | } |
263 | } |
264 | } |
265 | } |
266 | if (!short_found) messages.insert(messages.begin(),"Unknown Option: -"+argstring.substr(pos,1)+"!"); |
267 | } |
268 | } |
269 | |
270 | if (!found) { // Must be a free form parameter... |
271 | if (free_parms_count<cmd_args.size()){ // Space available |
272 | *(cmd_args[free_parms_count].target)=argv[arg_no]; |
273 | *(cmd_args[free_parms_count].status)=1; |
ad324d29 |
274 | free_parms_count++; |
909d3603 |
275 | } else { // No more space for free form parameters! |
276 | messages.insert(messages.begin(),"Too many arguments!"); |
ad324d29 |
277 | } |
909d3603 |
278 | } |
279 | } |
280 | if (!messages.empty()){ |
281 | messages.insert(messages.begin(),"Error!"); |
282 | messages.insert(messages.begin(),""); |
ad324d29 |
283 | } |
909d3603 |
284 | return messages; |
285 | } |
50c86ded |
286 | |
909d3603 |
287 | |
288 | /*! |
289 | *\brief Extract a value from a configuration file line or |
290 | * a command line argument |
291 | */ |
292 | string configuration_manager::analyse_string(const string & line){ |
293 | string result=""; |
294 | unsigned int pos=line.find("="); |
295 | if (pos!=string::npos) result=line.substr(pos+1); |
ad324d29 |
296 | return result; |
297 | } |
298 | |
909d3603 |
299 | /*! |
fed2c751 |
300 | *\brief Extract a boolean value out of a string, defaulting to true |
301 | * |
302 | * Used for commandline switches |
909d3603 |
303 | */ |
304 | bool configuration_manager::analyse_bool(const string & data){ |
fed2c751 |
305 | if ((data.find("false",0)!=string::npos)|| |
306 | (data.find("0",0)!=string::npos)|| |
307 | (data.find("no",0)!=string::npos)) return false; |
308 | else return true; |
309 | } |
310 | |
311 | |
312 | /*! |
313 | *\brief Extract a boolean value out of a string, defaulting to false |
314 | * |
315 | * Used for configuration file switches |
316 | */ |
317 | bool configuration_manager::analyse_bool_false(const string & data){ |
318 | if ((data.find("true",0)!=string::npos)|| |
319 | (data.find("1",0)!=string::npos)|| |
320 | (data.find("yes",0)!=string::npos)) return true; |
321 | else return false; |
909d3603 |
322 | } |
323 | |
fed2c751 |
324 | |
50c86ded |
325 | /*! |
326 | *brief Read in and parse a configuration file. |
327 | *\arg file String containing the filename |
328 | *\return Empty Vector or Vector full of strings containing |
329 | * the error message(s). |
330 | */ |
331 | vector<string> configuration_manager::read_file(string filename){ |
332 | vector<string>result; |
333 | FILE * fp=fopen(filename.c_str(),"r"); |
334 | if (! fp) { |
fed2c751 |
335 | result.insert(result.end(),"Could not open file: "+filename); |
336 | } else { |
337 | char buffer[1000]; |
338 | while(fgets(buffer,1000,fp)){ |
339 | if (buffer[strlen(buffer)-1]=='\n')// Cut trailing newline |
340 | buffer[strlen(buffer)-1]=0; |
341 | if (strlen (buffer)){ |
342 | char*l2=buffer+strspn(buffer," \t"); |
343 | if (l2[0]!='#'){ |
344 | string argstring=l2; |
345 | unsigned int pos=argstring.find("="); |
346 | if (pos==0){ |
347 | result.insert(result.end(),"In File "+filename+": Line beginning with '='!"); |
348 | } |
349 | |
350 | bool found=false; |
351 | |
352 | // Look for long switches. |
353 | for (unsigned int switch_no=0;switch_no<option_switches.size();switch_no++){ |
354 | string switch_name=option_switches[switch_no].longname; |
355 | if (argstring.compare(0,switch_name.length(),switch_name,0,switch_name.length())==0){ |
356 | string value=analyse_string(argstring); |
357 | //result.insert(result.end(),"argstring:\""+argstring+"\""); |
358 | bool res=analyse_bool_false(value); |
359 | if(option_switches[switch_no].allow_conffile==true){ |
360 | *(option_switches[switch_no].status)=res; |
361 | }else{ |
362 | result.insert(result.end(),"In File "+filename+": Switch \"" |
363 | +option_switches[switch_no].longname |
364 | +"\" is not allowed in config files!"); |
365 | } |
366 | found=true; |
367 | break; |
368 | } |
369 | } |
370 | |
371 | // Look for long values. |
372 | for (unsigned int value_no=0;value_no<option_values.size();value_no++){ |
373 | string value_name=option_values[value_no].longname; |
374 | if (argstring.compare(0,value_name.length(),value_name,0,value_name.length())==0){ |
375 | string value=analyse_string(argstring); |
376 | *(option_values[value_no].status)=1; |
377 | |
378 | if(option_values[value_no].allow_conffile==true){ |
379 | *(option_values[value_no].status)=1; |
380 | *(option_values[value_no].target)=value; |
381 | }else{ |
382 | result.insert(result.end(),"In File "+filename+": Option value \"" |
383 | +option_values[value_no].longname |
384 | +"\" is not allowed in config files!"); |
385 | } |
386 | found=true; |
387 | break; |
388 | } |
389 | } |
390 | if (! found) { |
391 | result.insert(result.end(),"In File "+filename+": Unknown option: "+argstring+"!"); |
392 | } |
393 | |
394 | } // if not # |
395 | } // if (strlen()) |
396 | } // while(...) |
397 | fclose (fp); |
398 | } // fp==0 else branch |
50c86ded |
399 | |
fed2c751 |
400 | if (!result.empty()){ |
401 | result.insert(result.begin(),"Error!"); |
402 | result.insert(result.begin(),""); |
403 | } |
50c86ded |
404 | return result; |
405 | } |
406 | |
fed2c751 |
407 | |
ad324d29 |
408 | /*! |
409 | *\brief Generate help. |
410 | *\arg target Reference to a vector<string> to which lots of helpful |
411 | * strings are appended. |
412 | */ |
ca5fce3a |
413 | void configuration_manager::get_help(vector<string> & target){ |
ad324d29 |
414 | target.insert(target.end(),""); |
415 | string line="Usage: "+app_name; |
909d3603 |
416 | |
417 | for (vector<opt_switch_t>::iterator parm_p=option_switches.begin();parm_p<option_switches.end();parm_p++){ |
ad324d29 |
418 | string addstr=" [-"+parm_p->shortname; |
ad324d29 |
419 | addstr+="]"; |
909d3603 |
420 | if (line.length()+addstr.length()>MAX_LINE_LENGTH){ |
ad324d29 |
421 | target.insert(target.end(),line); |
422 | line=string(7+app_name.length(),' '); |
423 | } |
424 | line+=addstr; |
425 | } |
909d3603 |
426 | |
427 | for (vector<opt_value_t>::iterator parm_p=option_values.begin();parm_p<option_values.end();parm_p++){ |
428 | string addstr=" [-"+parm_p->shortname; |
429 | addstr+=parm_p->placeholder; |
430 | addstr+="]"; |
431 | if (line.length()+addstr.length()>MAX_LINE_LENGTH){ |
432 | target.insert(target.end(),line); |
433 | line=string(7+app_name.length(),' '); |
434 | } |
435 | line+=addstr; |
436 | } |
437 | |
438 | for (vector<cmd_arg_t>::iterator parm_p=cmd_args.begin();parm_p<cmd_args.end();parm_p++){ |
439 | if (line.length()+parm_p->placeholder.length()>MAX_LINE_LENGTH){ |
ad324d29 |
440 | target.insert(target.end(),line); |
441 | line=string(7+app_name.length(),' '); |
442 | } |
443 | line+=" ["+parm_p->placeholder+"]"; |
444 | } |
445 | target.insert(target.end(),line); |
446 | |
909d3603 |
447 | /* Here comes the documentation output. */ |
448 | |
ad324d29 |
449 | vector<string> left,right; |
909d3603 |
450 | unsigned int max_width; |
ad324d29 |
451 | |
909d3603 |
452 | /* Output switches? */ |
453 | if (option_switches.size()){ |
454 | target.insert(target.end(),""); |
455 | target.insert(target.end(),"Switches:"); |
456 | |
457 | left=vector<string>(); |
458 | right=vector<string>(); |
459 | max_width=0; |
460 | |
461 | /* Now lets insert switches into left and right */ |
462 | for (unsigned int sw=0; sw<option_switches.size();sw++){ |
463 | opt_switch_t akt_sw=option_switches[sw]; |
e7ba2001 |
464 | string rline="(" ; |
465 | if (akt_sw.allow_cmdline) rline+="c/"; |
466 | else rline+="-/"; |
467 | if (akt_sw.allow_conffile) rline+="f)"; |
468 | else rline+="-)"; |
469 | rline+=" "+akt_sw.description; |
909d3603 |
470 | string lline="-"+akt_sw.shortname+", --"+akt_sw.longname; |
471 | left.insert(left.end(),lline); |
472 | right.insert(right.end(),rline); |
473 | } |
474 | |
475 | // Determine maximal width for left column |
476 | max_width=0; |
477 | for (unsigned int c=0; c<left.size();c++) |
478 | if(left[c].length()>max_width) max_width=left[c].length(); |
479 | |
480 | /* output all the mess */ |
481 | for (unsigned int c=0; c<left.size();c++){ |
482 | string nl(max_width,' '); |
483 | nl.replace(0,left[c].length(),left[c]); |
484 | nl+=" "+right[c]; |
e7ba2001 |
485 | while (nl.length()>MAX_LINE_LENGTH){ // Too long??? |
486 | int limit=nl.find_last_of(' ',MAX_LINE_LENGTH); |
909d3603 |
487 | target.insert(target.end(),nl.substr(0,limit)); |
e7ba2001 |
488 | nl=string(max_width+2+6,' ')+nl.substr(limit+1); |
909d3603 |
489 | } |
490 | target.insert(target.end(),nl); |
491 | } |
ad324d29 |
492 | } |
493 | |
909d3603 |
494 | // Output values |
495 | if (option_values.size()){ |
ad324d29 |
496 | target.insert(target.end(),""); |
909d3603 |
497 | target.insert(target.end(),"Option values:"); |
498 | |
499 | left=vector<string>(); |
500 | right=vector<string>(); |
501 | max_width=0; |
502 | |
503 | for (unsigned int val=0; val<option_values.size();val++){ |
504 | opt_value_t akt_val=option_values[val]; |
e7ba2001 |
505 | string rline="(" ; |
506 | if (akt_val.allow_cmdline) rline+="c/"; |
507 | else rline+="-/"; |
508 | if (akt_val.allow_conffile) rline+="f)"; |
509 | else rline+="-)"; |
510 | rline+=" "+akt_val.description; |
511 | |
512 | string lline="-"+akt_val.shortname+akt_val.placeholder+", --"+ |
fed2c751 |
513 | akt_val.longname+"="+akt_val.placeholder; |
909d3603 |
514 | left.insert(left.end(),lline); |
515 | right.insert(right.end(),rline); |
516 | } |
517 | |
518 | // Determine maximal width for left column |
519 | for (unsigned int c=0; c<left.size();c++) |
520 | if(left[c].length()>max_width) max_width=left[c].length(); |
521 | /* output all the mess */ |
522 | for (unsigned int c=0; c<left.size();c++){ |
e7ba2001 |
523 | string nl(max_width,' '); // Empty left side. |
524 | nl.replace(0,left[c].length(),left[c]); // Print in left side. |
525 | nl+=" "+right[c]; // Add right side. |
526 | |
527 | while (nl.length()>MAX_LINE_LENGTH){ // Too long??? |
528 | int limit=nl.find_last_of(' ',MAX_LINE_LENGTH); |
909d3603 |
529 | target.insert(target.end(),nl.substr(0,limit)); |
e7ba2001 |
530 | nl=string(max_width+2+6,' ')+nl.substr(limit+1); |
909d3603 |
531 | } |
532 | target.insert(target.end(),nl); |
533 | } |
ad324d29 |
534 | } |
535 | |
e7ba2001 |
536 | target.insert(target.end(),""); |
537 | target.insert(target.end(),"Legend (c/f):"); |
538 | target.insert(target.end()," c: Allowed on command line."); |
539 | target.insert(target.end()," f: Allowed in configuration file."); |
540 | |
909d3603 |
541 | /* Output the Arguments */ |
542 | if (cmd_args.size()){ |
ad324d29 |
543 | target.insert(target.end(),""); |
544 | target.insert(target.end(),"Arguments:"); |
ad324d29 |
545 | |
909d3603 |
546 | left=vector<string>(); |
547 | right=vector<string>(); |
548 | max_width=0; |
549 | |
550 | for (unsigned int arg=0; arg<cmd_args.size();arg++){ |
551 | cmd_arg_t akt_arg=cmd_args[arg]; |
552 | left.insert(left.end(),akt_arg.placeholder); |
553 | right.insert(right.end(),akt_arg.description); |
554 | } |
555 | |
556 | // Determine maximal width for left column |
557 | max_width=0; |
558 | for (unsigned int c=0; c<left.size();c++) |
559 | if(left[c].length()>max_width) max_width=left[c].length(); |
560 | |
561 | for (unsigned int c=0; c<left.size();c++){ |
562 | string nl(max_width,' '); |
563 | nl.replace(0,left[c].length(),left[c]); |
564 | nl+=" "+right[c]; |
565 | while (nl.length()>MAX_LINE_LENGTH){ // Too long??? |
566 | int limit=nl.find_last_of(' ',MAX_LINE_LENGTH+1); |
909d3603 |
567 | target.insert(target.end(),nl.substr(0,limit)); |
568 | nl=string(max_width+2,' ')+nl.substr(limit+1); |
569 | } |
570 | target.insert(target.end(),nl); |
571 | } |
ad324d29 |
572 | target.insert(target.end(),""); |
909d3603 |
573 | } |
ad324d29 |
574 | } |
575 | |
576 | /*! |
577 | *\brief Generate help. |
578 | *\return A vector containing many helpful strings for the user. |
579 | */ |
ca5fce3a |
580 | vector<string> configuration_manager::get_help(){ |
ad324d29 |
581 | vector<string> result; |
582 | get_help(result); |
583 | return result; |
584 | } |
585 | |
586 | |
587 | /**************************************************/ |
588 | |
909d3603 |
589 | |
590 | configuration_manager::opt_value_t::opt_value_t(const string & shortname, |
591 | const string & longname, |
592 | const string & description, |
593 | int * status, |
594 | string * target, |
595 | const string & placeholder, |
596 | const bool & allow_conffile, |
597 | const bool & allow_cmdline |
598 | ){ |
599 | this->shortname=shortname; |
600 | this->longname=longname; |
601 | this->description=description; |
602 | this->status=status; |
603 | this->target=target; |
604 | this->placeholder=placeholder; |
605 | this->allow_conffile=allow_conffile; |
606 | this->allow_cmdline=allow_cmdline; |
ad324d29 |
607 | if (status) *status=0; |
608 | } |
609 | |
909d3603 |
610 | |
611 | configuration_manager::opt_switch_t::opt_switch_t(const string & shortname, |
612 | const string & longname, |
613 | const string & description, |
614 | int * status, |
615 | const bool & allow_conffile, |
616 | const bool & allow_cmdline){ |
617 | this->shortname=shortname; |
618 | this->longname=longname; |
619 | this->description=description; |
620 | this->status=status; |
621 | this->target=target; |
622 | this->placeholder=placeholder; |
623 | this->allow_conffile=allow_conffile; |
624 | this->allow_cmdline=allow_cmdline; |
ad324d29 |
625 | } |
909d3603 |
626 | |
627 | |
628 | configuration_manager::cmd_arg_t::cmd_arg_t(const string & placeholder, |
629 | const string & description, |
630 | int * status, |
631 | string * target){ |
632 | this->placeholder=placeholder; |
633 | this->description=description; |
634 | this->status=status; |
635 | this->target=target; |
909d3603 |
636 | } |