4741aa72 |
1 | /****************************************************************************** |
2 | * |
3 | * LDC2 source code |
4 | * |
eabafcca |
5 | * $Date: 2008/08/25 21:02:24 $ |
4741aa72 |
6 | * $Author: hachti $ |
7 | * |
8 | * $Log: configuration_manager.cpp,v $ |
eabafcca |
9 | * Revision 2.3 2008/08/25 21:02:24 hachti |
10 | * *** empty log message *** |
11 | * |
12 | * Revision 2.2 2007-06-15 12:46:04 hachti |
e7ba2001 |
13 | * Some small changes in configuration_manager output - added (c/f) info. |
14 | * Changed order in tool.hh:add_unique.... |
15 | * |
16 | * Revision 2.1 2007-03-26 04:05:37 hachti |
ea78fc91 |
17 | * *** empty log message *** |
18 | * |
19 | * Revision 2.0 2007-03-26 01:00:38 hachti |
4741aa72 |
20 | * *** empty log message *** |
21 | * |
22 | * |
23 | ******************************************************************************/ |
24 | |
ca5fce3a |
25 | #include "configuration_manager.hh" |
ad324d29 |
26 | #include <stdio.h> |
50c86ded |
27 | #include <stdlib.h> |
28 | #include <fcntl.h> |
eabafcca |
29 | #include <string.h> |
ad324d29 |
30 | |
909d3603 |
31 | #define MAX_LINE_LENGTH 80 |
32 | |
ad324d29 |
33 | /*! |
34 | *\brief Constructor. |
35 | * |
ca5fce3a |
36 | * This constructor makes a new configuration_manager ready to use. |
ad324d29 |
37 | *\arg name Name of the application as mentioned in the |
38 | * "Use: <appname> ..." help message. |
39 | */ |
ca5fce3a |
40 | configuration_manager::configuration_manager(string name){ |
040533c5 |
41 | app_name=name; |
ad324d29 |
42 | } |
43 | |
44 | |
45 | /*! |
ca5fce3a |
46 | *\brief Add a new configuration value to be searched for. |
ad324d29 |
47 | *\param shortname A character for the short form. |
909d3603 |
48 | * For example the o in -o |
ad324d29 |
49 | *\param longname The double dash longname. For example |
909d3603 |
50 | * output_file in --output_file= |
ca5fce3a |
51 | *\param description A detailed description of the value. |
ad324d29 |
52 | *\param status Pointer to an integer. Will be set to 1 if arg found. |
ea4c19a4 |
53 | *\param target Pointer to string to put the value in. |
54 | *\param placeholder A placeholder for the documentation. |
ca5fce3a |
55 | * For example <filename> in -f<filename> |
ea78fc91 |
56 | *\param allow_cmdline Specifies if this value may be specified on the |
57 | * command line. |
58 | *\param allow_conffile Specifies if this value may be specified in a |
59 | * configuration file. |
60 | * |
ad324d29 |
61 | */ |
909d3603 |
62 | void configuration_manager::add_option_value (const string & shortname, |
63 | const string & longname, |
64 | const string & description, |
65 | int * status, |
66 | string * target, |
67 | const string & placeholder, |
68 | const bool & allow_cmdline, |
69 | const bool & allow_conffile |
70 | ){ |
ad324d29 |
71 | |
909d3603 |
72 | if(status!=NULL) if (target!=NULL) |
73 | option_values.insert(option_values.end(), |
74 | opt_value_t(shortname, |
75 | longname, |
76 | description, |
77 | status, |
78 | target, |
79 | placeholder, |
80 | allow_cmdline, |
81 | allow_conffile |
82 | ) |
83 | ); |
ad324d29 |
84 | } |
85 | |
86 | |
909d3603 |
87 | |
88 | /*! |
89 | *\brief Add a new configuration switch to be searched for. |
90 | *\param shortname A character for the short form. |
91 | * For example the h in -h |
92 | *\param longname The double dash longname. For example |
93 | * help in --help |
94 | *\param description A detailed description of the value. |
95 | *\param status Pointer to an integer. Will be set to 1 if arg found. |
96 | *\param allow_cmdline Specifies whether the switch is acceptable on the |
97 | * command line. |
98 | *\param allow_conffile Specifies whether the switch is acceptable |
99 | * in a configuration file. |
100 | */ |
101 | void configuration_manager::add_option_switch (const string & shortname, |
102 | const string & longname, |
103 | const string & description, |
104 | int * status, |
105 | const bool & allow_cmdline, |
106 | const bool & allow_conffile |
107 | ){ |
108 | |
109 | if(status!=NULL) |
110 | option_switches.insert(option_switches.end(), |
111 | opt_switch_t(shortname, |
112 | longname, |
113 | description, |
114 | status, |
115 | allow_cmdline, |
116 | allow_conffile) |
117 | ); |
118 | } |
119 | |
ad324d29 |
120 | /*! |
121 | *\brief Add an accepted argument to the argument reader. |
122 | *\param placeholder Something like "<input-file>". |
123 | *\param description Text describing the argument. |
909d3603 |
124 | *\param status A pointer to a status variable. Will be set to 0 by default. |
ad324d29 |
125 | * If the argument is filled in, it will be set to 1. |
126 | *\param target A pointer to a c++ string where the argument goes to. |
127 | * |
128 | *\note Arguments are filled in the order of adding them to the |
129 | * argument reader. |
130 | * There would be no other way to determine the order. |
131 | */ |
909d3603 |
132 | void configuration_manager::add_argument(const string & description, |
133 | int * status, |
134 | string * target, |
135 | const string & placeholder){ |
136 | |
137 | |
138 | |
ad324d29 |
139 | if (target!=NULL) if(status!=NULL) |
909d3603 |
140 | cmd_args.insert(cmd_args.end(),cmd_arg_t(placeholder, |
141 | description, |
142 | status, |
143 | target)); |
ad324d29 |
144 | } |
145 | |
146 | |
147 | /*! |
ea78fc91 |
148 | *\brief Read in the args passed to main(). |
ad324d29 |
149 | *\returns empty vector on success or the error messages to be output. |
150 | */ |
ca5fce3a |
151 | vector<string> configuration_manager::read_args(int argc, char ** args){ |
909d3603 |
152 | |
153 | vector<string> messages; |
ad324d29 |
154 | vector<string> argv; |
ad324d29 |
155 | |
909d3603 |
156 | // First we make a C++ string vector out of the **argv. |
157 | for (char ** akt=args+1; *akt ;akt++) argv.insert(argv.end(),string(*akt)); |
158 | |
159 | // Counter for the free command line parameters. |
ad324d29 |
160 | unsigned int free_parms_count=0; |
909d3603 |
161 | |
162 | // Loop through the command line arguments |
163 | for (unsigned int arg_no=0;arg_no<argv.size();arg_no++){ |
164 | bool found=false; |
165 | string argstring; |
ad324d29 |
166 | |
909d3603 |
167 | // Look for long parameters. |
e7ba2001 |
168 | // if ((argv[arg_no].substr(0,2)=="--")&&(free_parms_count==0)){ |
169 | if ((argv[arg_no].substr(0,2)=="--")){ // Changed for comfort. |
909d3603 |
170 | argstring=argv[arg_no].substr(2); |
171 | |
172 | // Look for long switches. |
173 | for (unsigned int switch_no=0;switch_no<option_switches.size();switch_no++){ |
174 | string switch_name=option_switches[switch_no].longname; |
175 | if (argstring.compare(0,switch_name.length(),switch_name,0,switch_name.length())==0){ |
176 | string value=analyse_string(argstring); |
177 | bool result=analyse_bool(value); |
fed2c751 |
178 | if(option_switches[switch_no].allow_cmdline==true){ |
179 | *(option_switches[switch_no].status)=result; |
180 | }else{ |
181 | messages.insert(messages.end(),"Switch \"--" |
182 | +option_switches[switch_no].longname |
183 | +"\" is not allowed on the command line!"); |
184 | } |
909d3603 |
185 | found=true; |
fed2c751 |
186 | break; |
909d3603 |
187 | } |
188 | } |
189 | |
190 | // Look for long values. |
191 | for (unsigned int value_no=0;value_no<option_values.size();value_no++){ |
192 | string value_name=option_values[value_no].longname; |
193 | if (argstring.compare(0,value_name.length(),value_name,0,value_name.length())==0){ |
194 | string value=analyse_string(argstring); |
fed2c751 |
195 | if(option_values[value_no].allow_cmdline==true){ |
196 | *(option_values[value_no].status)=1; |
197 | *(option_values[value_no].target)=value; |
198 | }else{ |
199 | messages.insert(messages.end(),"Option value \"--" |
200 | +option_values[value_no].longname |
201 | +"\" is not allowed on the command line!"); |
202 | } |
909d3603 |
203 | found=true; |
fed2c751 |
204 | break; |
ad324d29 |
205 | } |
909d3603 |
206 | } |
207 | if (! found) { |
208 | messages.insert(messages.begin(),"Unknown option: --"+argstring+"!"); |
209 | found=true; // Oh! |
210 | } |
211 | } |
212 | |
213 | // Look for short parameters |
e7ba2001 |
214 | // if ((argv[arg_no].substr(0,1)=="-")&&(free_parms_count==0)&&(!found)){ // Short parameters |
215 | if ((argv[arg_no].substr(0,1)=="-")&&(!found)){ // Changed for comfort. |
909d3603 |
216 | found=true; |
217 | argstring=argv[arg_no].substr(1); // Reassign, with one more character now |
218 | for (unsigned int pos=0;pos < argstring.length();pos++){ |
219 | bool short_found=false; |
220 | |
221 | // First, find short switches |
222 | for (unsigned int switch_no=0;switch_no<option_switches.size();switch_no++){ |
223 | string short_name=option_switches[switch_no].shortname; |
224 | if (short_name.compare(0,short_name.length(),argstring,pos,short_name.length())==0){ |
fed2c751 |
225 | if(option_switches[switch_no].allow_cmdline==true){ |
226 | *(option_switches[switch_no].status)=1; |
227 | }else{ |
228 | messages.insert(messages.end(),"Switch \"-" |
229 | +option_switches[switch_no].shortname |
230 | +"\" is not allowed on the command line!"); |
231 | } |
909d3603 |
232 | short_found=true; |
233 | pos+=short_name.length()-1; |
fed2c751 |
234 | break; |
909d3603 |
235 | } |
236 | } |
237 | |
238 | // Now, find short values |
239 | if (!short_found){ |
240 | for (unsigned int value_no=0;value_no<option_values.size();value_no++){ |
241 | string short_name=option_values[value_no].shortname; |
242 | |
243 | if (short_name.compare(0,short_name.length(),argstring,pos,short_name.length())==0){ |
244 | if (pos==argstring.length()-1){ // Last character, where's the value? |
245 | if (arg_no<argv.size()-1){ // Take next complete argument as value! |
246 | *(option_values[value_no].status)=1; |
247 | *(option_values[value_no].target)=argv[arg_no+1]; |
248 | arg_no+=1; // Consume the next argument |
249 | short_found=true; |
250 | } else { // No argument left! |
251 | messages.insert(messages.begin(),"Missing value for -"+short_name+"!"); |
252 | short_found=true; |
253 | } |
254 | } else { |
fed2c751 |
255 | if(option_values[value_no].allow_cmdline==true){ |
256 | *(option_values[value_no].status)=1; |
257 | *(option_values[value_no].target)=argstring.substr(pos+1); |
258 | }else{ |
259 | messages.insert(messages.end(),"Option value \"-" |
260 | +option_values[value_no].shortname |
261 | +"\" is not allowed on the command line!"); |
262 | } |
909d3603 |
263 | pos=argstring.length(); // Do not analyse other characters. |
264 | short_found=true; |
fed2c751 |
265 | break; |
909d3603 |
266 | } |
267 | } |
268 | } |
269 | } |
270 | if (!short_found) messages.insert(messages.begin(),"Unknown Option: -"+argstring.substr(pos,1)+"!"); |
271 | } |
272 | } |
273 | |
274 | if (!found) { // Must be a free form parameter... |
275 | if (free_parms_count<cmd_args.size()){ // Space available |
276 | *(cmd_args[free_parms_count].target)=argv[arg_no]; |
277 | *(cmd_args[free_parms_count].status)=1; |
ad324d29 |
278 | free_parms_count++; |
909d3603 |
279 | } else { // No more space for free form parameters! |
280 | messages.insert(messages.begin(),"Too many arguments!"); |
ad324d29 |
281 | } |
909d3603 |
282 | } |
283 | } |
284 | if (!messages.empty()){ |
285 | messages.insert(messages.begin(),"Error!"); |
286 | messages.insert(messages.begin(),""); |
ad324d29 |
287 | } |
909d3603 |
288 | return messages; |
289 | } |
50c86ded |
290 | |
909d3603 |
291 | |
292 | /*! |
293 | *\brief Extract a value from a configuration file line or |
294 | * a command line argument |
295 | */ |
296 | string configuration_manager::analyse_string(const string & line){ |
297 | string result=""; |
298 | unsigned int pos=line.find("="); |
299 | if (pos!=string::npos) result=line.substr(pos+1); |
ad324d29 |
300 | return result; |
301 | } |
302 | |
909d3603 |
303 | /*! |
fed2c751 |
304 | *\brief Extract a boolean value out of a string, defaulting to true |
305 | * |
306 | * Used for commandline switches |
909d3603 |
307 | */ |
308 | bool configuration_manager::analyse_bool(const string & data){ |
fed2c751 |
309 | if ((data.find("false",0)!=string::npos)|| |
310 | (data.find("0",0)!=string::npos)|| |
311 | (data.find("no",0)!=string::npos)) return false; |
312 | else return true; |
313 | } |
314 | |
315 | |
316 | /*! |
317 | *\brief Extract a boolean value out of a string, defaulting to false |
318 | * |
319 | * Used for configuration file switches |
320 | */ |
321 | bool configuration_manager::analyse_bool_false(const string & data){ |
322 | if ((data.find("true",0)!=string::npos)|| |
323 | (data.find("1",0)!=string::npos)|| |
324 | (data.find("yes",0)!=string::npos)) return true; |
325 | else return false; |
909d3603 |
326 | } |
327 | |
fed2c751 |
328 | |
50c86ded |
329 | /*! |
330 | *brief Read in and parse a configuration file. |
331 | *\arg file String containing the filename |
332 | *\return Empty Vector or Vector full of strings containing |
333 | * the error message(s). |
334 | */ |
335 | vector<string> configuration_manager::read_file(string filename){ |
336 | vector<string>result; |
337 | FILE * fp=fopen(filename.c_str(),"r"); |
338 | if (! fp) { |
fed2c751 |
339 | result.insert(result.end(),"Could not open file: "+filename); |
340 | } else { |
341 | char buffer[1000]; |
342 | while(fgets(buffer,1000,fp)){ |
343 | if (buffer[strlen(buffer)-1]=='\n')// Cut trailing newline |
344 | buffer[strlen(buffer)-1]=0; |
345 | if (strlen (buffer)){ |
346 | char*l2=buffer+strspn(buffer," \t"); |
347 | if (l2[0]!='#'){ |
348 | string argstring=l2; |
349 | unsigned int pos=argstring.find("="); |
350 | if (pos==0){ |
351 | result.insert(result.end(),"In File "+filename+": Line beginning with '='!"); |
352 | } |
353 | |
354 | bool found=false; |
355 | |
356 | // Look for long switches. |
357 | for (unsigned int switch_no=0;switch_no<option_switches.size();switch_no++){ |
358 | string switch_name=option_switches[switch_no].longname; |
359 | if (argstring.compare(0,switch_name.length(),switch_name,0,switch_name.length())==0){ |
360 | string value=analyse_string(argstring); |
361 | //result.insert(result.end(),"argstring:\""+argstring+"\""); |
362 | bool res=analyse_bool_false(value); |
363 | if(option_switches[switch_no].allow_conffile==true){ |
364 | *(option_switches[switch_no].status)=res; |
365 | }else{ |
366 | result.insert(result.end(),"In File "+filename+": Switch \"" |
367 | +option_switches[switch_no].longname |
368 | +"\" is not allowed in config files!"); |
369 | } |
370 | found=true; |
371 | break; |
372 | } |
373 | } |
374 | |
375 | // Look for long values. |
376 | for (unsigned int value_no=0;value_no<option_values.size();value_no++){ |
377 | string value_name=option_values[value_no].longname; |
378 | if (argstring.compare(0,value_name.length(),value_name,0,value_name.length())==0){ |
379 | string value=analyse_string(argstring); |
380 | *(option_values[value_no].status)=1; |
381 | |
382 | if(option_values[value_no].allow_conffile==true){ |
383 | *(option_values[value_no].status)=1; |
384 | *(option_values[value_no].target)=value; |
385 | }else{ |
386 | result.insert(result.end(),"In File "+filename+": Option value \"" |
387 | +option_values[value_no].longname |
388 | +"\" is not allowed in config files!"); |
389 | } |
390 | found=true; |
391 | break; |
392 | } |
393 | } |
394 | if (! found) { |
395 | result.insert(result.end(),"In File "+filename+": Unknown option: "+argstring+"!"); |
396 | } |
397 | |
398 | } // if not # |
399 | } // if (strlen()) |
400 | } // while(...) |
401 | fclose (fp); |
402 | } // fp==0 else branch |
50c86ded |
403 | |
fed2c751 |
404 | if (!result.empty()){ |
405 | result.insert(result.begin(),"Error!"); |
406 | result.insert(result.begin(),""); |
407 | } |
50c86ded |
408 | return result; |
409 | } |
410 | |
fed2c751 |
411 | |
ad324d29 |
412 | /*! |
413 | *\brief Generate help. |
414 | *\arg target Reference to a vector<string> to which lots of helpful |
415 | * strings are appended. |
416 | */ |
ca5fce3a |
417 | void configuration_manager::get_help(vector<string> & target){ |
ad324d29 |
418 | target.insert(target.end(),""); |
419 | string line="Usage: "+app_name; |
909d3603 |
420 | |
421 | for (vector<opt_switch_t>::iterator parm_p=option_switches.begin();parm_p<option_switches.end();parm_p++){ |
ad324d29 |
422 | string addstr=" [-"+parm_p->shortname; |
ad324d29 |
423 | addstr+="]"; |
909d3603 |
424 | if (line.length()+addstr.length()>MAX_LINE_LENGTH){ |
ad324d29 |
425 | target.insert(target.end(),line); |
426 | line=string(7+app_name.length(),' '); |
427 | } |
428 | line+=addstr; |
429 | } |
909d3603 |
430 | |
431 | for (vector<opt_value_t>::iterator parm_p=option_values.begin();parm_p<option_values.end();parm_p++){ |
432 | string addstr=" [-"+parm_p->shortname; |
433 | addstr+=parm_p->placeholder; |
434 | addstr+="]"; |
435 | if (line.length()+addstr.length()>MAX_LINE_LENGTH){ |
436 | target.insert(target.end(),line); |
437 | line=string(7+app_name.length(),' '); |
438 | } |
439 | line+=addstr; |
440 | } |
441 | |
442 | for (vector<cmd_arg_t>::iterator parm_p=cmd_args.begin();parm_p<cmd_args.end();parm_p++){ |
443 | if (line.length()+parm_p->placeholder.length()>MAX_LINE_LENGTH){ |
ad324d29 |
444 | target.insert(target.end(),line); |
445 | line=string(7+app_name.length(),' '); |
446 | } |
447 | line+=" ["+parm_p->placeholder+"]"; |
448 | } |
449 | target.insert(target.end(),line); |
450 | |
909d3603 |
451 | /* Here comes the documentation output. */ |
452 | |
ad324d29 |
453 | vector<string> left,right; |
909d3603 |
454 | unsigned int max_width; |
ad324d29 |
455 | |
909d3603 |
456 | /* Output switches? */ |
457 | if (option_switches.size()){ |
458 | target.insert(target.end(),""); |
459 | target.insert(target.end(),"Switches:"); |
460 | |
461 | left=vector<string>(); |
462 | right=vector<string>(); |
463 | max_width=0; |
464 | |
465 | /* Now lets insert switches into left and right */ |
466 | for (unsigned int sw=0; sw<option_switches.size();sw++){ |
467 | opt_switch_t akt_sw=option_switches[sw]; |
e7ba2001 |
468 | string rline="(" ; |
469 | if (akt_sw.allow_cmdline) rline+="c/"; |
470 | else rline+="-/"; |
471 | if (akt_sw.allow_conffile) rline+="f)"; |
472 | else rline+="-)"; |
473 | rline+=" "+akt_sw.description; |
909d3603 |
474 | string lline="-"+akt_sw.shortname+", --"+akt_sw.longname; |
475 | left.insert(left.end(),lline); |
476 | right.insert(right.end(),rline); |
477 | } |
478 | |
479 | // Determine maximal width for left column |
480 | max_width=0; |
481 | for (unsigned int c=0; c<left.size();c++) |
482 | if(left[c].length()>max_width) max_width=left[c].length(); |
483 | |
484 | /* output all the mess */ |
485 | for (unsigned int c=0; c<left.size();c++){ |
486 | string nl(max_width,' '); |
487 | nl.replace(0,left[c].length(),left[c]); |
488 | nl+=" "+right[c]; |
e7ba2001 |
489 | while (nl.length()>MAX_LINE_LENGTH){ // Too long??? |
490 | int limit=nl.find_last_of(' ',MAX_LINE_LENGTH); |
909d3603 |
491 | target.insert(target.end(),nl.substr(0,limit)); |
e7ba2001 |
492 | nl=string(max_width+2+6,' ')+nl.substr(limit+1); |
909d3603 |
493 | } |
494 | target.insert(target.end(),nl); |
495 | } |
ad324d29 |
496 | } |
497 | |
909d3603 |
498 | // Output values |
499 | if (option_values.size()){ |
ad324d29 |
500 | target.insert(target.end(),""); |
909d3603 |
501 | target.insert(target.end(),"Option values:"); |
502 | |
503 | left=vector<string>(); |
504 | right=vector<string>(); |
505 | max_width=0; |
506 | |
507 | for (unsigned int val=0; val<option_values.size();val++){ |
508 | opt_value_t akt_val=option_values[val]; |
e7ba2001 |
509 | string rline="(" ; |
510 | if (akt_val.allow_cmdline) rline+="c/"; |
511 | else rline+="-/"; |
512 | if (akt_val.allow_conffile) rline+="f)"; |
513 | else rline+="-)"; |
514 | rline+=" "+akt_val.description; |
515 | |
516 | string lline="-"+akt_val.shortname+akt_val.placeholder+", --"+ |
fed2c751 |
517 | akt_val.longname+"="+akt_val.placeholder; |
909d3603 |
518 | left.insert(left.end(),lline); |
519 | right.insert(right.end(),rline); |
520 | } |
521 | |
522 | // Determine maximal width for left column |
523 | for (unsigned int c=0; c<left.size();c++) |
524 | if(left[c].length()>max_width) max_width=left[c].length(); |
525 | /* output all the mess */ |
526 | for (unsigned int c=0; c<left.size();c++){ |
e7ba2001 |
527 | string nl(max_width,' '); // Empty left side. |
528 | nl.replace(0,left[c].length(),left[c]); // Print in left side. |
529 | nl+=" "+right[c]; // Add right side. |
530 | |
531 | while (nl.length()>MAX_LINE_LENGTH){ // Too long??? |
532 | int limit=nl.find_last_of(' ',MAX_LINE_LENGTH); |
909d3603 |
533 | target.insert(target.end(),nl.substr(0,limit)); |
e7ba2001 |
534 | nl=string(max_width+2+6,' ')+nl.substr(limit+1); |
909d3603 |
535 | } |
536 | target.insert(target.end(),nl); |
537 | } |
ad324d29 |
538 | } |
539 | |
e7ba2001 |
540 | target.insert(target.end(),""); |
541 | target.insert(target.end(),"Legend (c/f):"); |
542 | target.insert(target.end()," c: Allowed on command line."); |
543 | target.insert(target.end()," f: Allowed in configuration file."); |
544 | |
909d3603 |
545 | /* Output the Arguments */ |
546 | if (cmd_args.size()){ |
ad324d29 |
547 | target.insert(target.end(),""); |
548 | target.insert(target.end(),"Arguments:"); |
ad324d29 |
549 | |
909d3603 |
550 | left=vector<string>(); |
551 | right=vector<string>(); |
552 | max_width=0; |
553 | |
554 | for (unsigned int arg=0; arg<cmd_args.size();arg++){ |
555 | cmd_arg_t akt_arg=cmd_args[arg]; |
556 | left.insert(left.end(),akt_arg.placeholder); |
557 | right.insert(right.end(),akt_arg.description); |
558 | } |
559 | |
560 | // Determine maximal width for left column |
561 | max_width=0; |
562 | for (unsigned int c=0; c<left.size();c++) |
563 | if(left[c].length()>max_width) max_width=left[c].length(); |
564 | |
565 | for (unsigned int c=0; c<left.size();c++){ |
566 | string nl(max_width,' '); |
567 | nl.replace(0,left[c].length(),left[c]); |
568 | nl+=" "+right[c]; |
569 | while (nl.length()>MAX_LINE_LENGTH){ // Too long??? |
570 | int limit=nl.find_last_of(' ',MAX_LINE_LENGTH+1); |
909d3603 |
571 | target.insert(target.end(),nl.substr(0,limit)); |
572 | nl=string(max_width+2,' ')+nl.substr(limit+1); |
573 | } |
574 | target.insert(target.end(),nl); |
575 | } |
ad324d29 |
576 | target.insert(target.end(),""); |
909d3603 |
577 | } |
ad324d29 |
578 | } |
579 | |
580 | /*! |
581 | *\brief Generate help. |
582 | *\return A vector containing many helpful strings for the user. |
583 | */ |
ca5fce3a |
584 | vector<string> configuration_manager::get_help(){ |
ad324d29 |
585 | vector<string> result; |
586 | get_help(result); |
587 | return result; |
588 | } |
589 | |
590 | |
591 | /**************************************************/ |
592 | |
909d3603 |
593 | |
594 | configuration_manager::opt_value_t::opt_value_t(const string & shortname, |
595 | const string & longname, |
596 | const string & description, |
597 | int * status, |
598 | string * target, |
599 | const string & placeholder, |
600 | const bool & allow_conffile, |
601 | const bool & allow_cmdline |
602 | ){ |
603 | this->shortname=shortname; |
604 | this->longname=longname; |
605 | this->description=description; |
606 | this->status=status; |
607 | this->target=target; |
608 | this->placeholder=placeholder; |
609 | this->allow_conffile=allow_conffile; |
610 | this->allow_cmdline=allow_cmdline; |
ad324d29 |
611 | if (status) *status=0; |
612 | } |
613 | |
909d3603 |
614 | |
615 | configuration_manager::opt_switch_t::opt_switch_t(const string & shortname, |
616 | const string & longname, |
617 | const string & description, |
618 | int * status, |
619 | const bool & allow_conffile, |
620 | const bool & allow_cmdline){ |
621 | this->shortname=shortname; |
622 | this->longname=longname; |
623 | this->description=description; |
624 | this->status=status; |
625 | this->target=target; |
626 | this->placeholder=placeholder; |
627 | this->allow_conffile=allow_conffile; |
628 | this->allow_cmdline=allow_cmdline; |
ad324d29 |
629 | } |
909d3603 |
630 | |
631 | |
632 | configuration_manager::cmd_arg_t::cmd_arg_t(const string & placeholder, |
633 | const string & description, |
634 | int * status, |
635 | string * target){ |
636 | this->placeholder=placeholder; |
637 | this->description=description; |
638 | this->status=status; |
639 | this->target=target; |
909d3603 |
640 | } |