| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/common/cmdline.cpp |
| 3 | // Purpose: wxCmdLineParser implementation |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 05.01.00 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2000 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #ifndef WX_PRECOMP |
| 28 | #include "wx/dynarray.h" |
| 29 | #include "wx/string.h" |
| 30 | #include "wx/log.h" |
| 31 | #include "wx/intl.h" |
| 32 | #include "wx/app.h" |
| 33 | #endif //WX_PRECOMP |
| 34 | |
| 35 | #include "wx/cmdline.h" |
| 36 | |
| 37 | #if wxUSE_CMDLINE_PARSER |
| 38 | |
| 39 | #include <ctype.h> |
| 40 | |
| 41 | #include "wx/datetime.h" |
| 42 | #include "wx/msgout.h" |
| 43 | #include "wx/filename.h" |
| 44 | #include "wx/apptrait.h" |
| 45 | |
| 46 | // ---------------------------------------------------------------------------- |
| 47 | // private functions |
| 48 | // ---------------------------------------------------------------------------- |
| 49 | |
| 50 | static wxString GetTypeName(wxCmdLineParamType type); |
| 51 | |
| 52 | static wxString GetOptionName(wxString::const_iterator p, |
| 53 | wxString::const_iterator end, |
| 54 | const wxChar *allowedChars); |
| 55 | |
| 56 | static wxString GetShortOptionName(wxString::const_iterator p, |
| 57 | wxString::const_iterator end); |
| 58 | |
| 59 | static wxString GetLongOptionName(wxString::const_iterator p, |
| 60 | wxString::const_iterator end); |
| 61 | |
| 62 | // ---------------------------------------------------------------------------- |
| 63 | // private structs |
| 64 | // ---------------------------------------------------------------------------- |
| 65 | |
| 66 | // an internal representation of an option |
| 67 | struct wxCmdLineOption |
| 68 | { |
| 69 | wxCmdLineOption(wxCmdLineEntryType k, |
| 70 | const wxString& shrt, |
| 71 | const wxString& lng, |
| 72 | const wxString& desc, |
| 73 | wxCmdLineParamType typ, |
| 74 | int fl) |
| 75 | { |
| 76 | // wxCMD_LINE_USAGE_TEXT uses only description, shortName and longName is empty |
| 77 | if ( k != wxCMD_LINE_USAGE_TEXT ) |
| 78 | { |
| 79 | wxASSERT_MSG |
| 80 | ( |
| 81 | !shrt.empty() || !lng.empty(), |
| 82 | wxT("option should have at least one name") |
| 83 | ); |
| 84 | |
| 85 | wxASSERT_MSG |
| 86 | ( |
| 87 | GetShortOptionName(shrt.begin(), shrt.end()).Len() == shrt.Len(), |
| 88 | wxT("Short option contains invalid characters") |
| 89 | ); |
| 90 | |
| 91 | wxASSERT_MSG |
| 92 | ( |
| 93 | GetLongOptionName(lng.begin(), lng.end()).Len() == lng.Len(), |
| 94 | wxT("Long option contains invalid characters") |
| 95 | ); |
| 96 | } |
| 97 | |
| 98 | kind = k; |
| 99 | |
| 100 | shortName = shrt; |
| 101 | longName = lng; |
| 102 | description = desc; |
| 103 | |
| 104 | type = typ; |
| 105 | flags = fl; |
| 106 | |
| 107 | m_hasVal = false; |
| 108 | } |
| 109 | |
| 110 | // can't use union easily here, so just store all possible data fields, we |
| 111 | // don't waste much (might still use union later if the number of supported |
| 112 | // types increases, so always use the accessor functions and don't access |
| 113 | // the fields directly!) |
| 114 | |
| 115 | void Check(wxCmdLineParamType WXUNUSED_UNLESS_DEBUG(typ)) const |
| 116 | { |
| 117 | wxASSERT_MSG( type == typ, wxT("type mismatch in wxCmdLineOption") ); |
| 118 | } |
| 119 | |
| 120 | double GetDoubleVal() const |
| 121 | { Check(wxCMD_LINE_VAL_DOUBLE); return m_doubleVal; } |
| 122 | long GetLongVal() const |
| 123 | { Check(wxCMD_LINE_VAL_NUMBER); return m_longVal; } |
| 124 | const wxString& GetStrVal() const |
| 125 | { Check(wxCMD_LINE_VAL_STRING); return m_strVal; } |
| 126 | #if wxUSE_DATETIME |
| 127 | const wxDateTime& GetDateVal() const |
| 128 | { Check(wxCMD_LINE_VAL_DATE); return m_dateVal; } |
| 129 | #endif // wxUSE_DATETIME |
| 130 | |
| 131 | void SetDoubleVal(double val) |
| 132 | { Check(wxCMD_LINE_VAL_DOUBLE); m_doubleVal = val; m_hasVal = true; } |
| 133 | void SetLongVal(long val) |
| 134 | { Check(wxCMD_LINE_VAL_NUMBER); m_longVal = val; m_hasVal = true; } |
| 135 | void SetStrVal(const wxString& val) |
| 136 | { Check(wxCMD_LINE_VAL_STRING); m_strVal = val; m_hasVal = true; } |
| 137 | #if wxUSE_DATETIME |
| 138 | void SetDateVal(const wxDateTime& val) |
| 139 | { Check(wxCMD_LINE_VAL_DATE); m_dateVal = val; m_hasVal = true; } |
| 140 | #endif // wxUSE_DATETIME |
| 141 | |
| 142 | void SetHasValue(bool hasValue = true) { m_hasVal = hasValue; } |
| 143 | bool HasValue() const { return m_hasVal; } |
| 144 | |
| 145 | public: |
| 146 | wxCmdLineEntryType kind; |
| 147 | wxString shortName, |
| 148 | longName, |
| 149 | description; |
| 150 | wxCmdLineParamType type; |
| 151 | int flags; |
| 152 | |
| 153 | private: |
| 154 | bool m_hasVal; |
| 155 | |
| 156 | double m_doubleVal; |
| 157 | long m_longVal; |
| 158 | wxString m_strVal; |
| 159 | #if wxUSE_DATETIME |
| 160 | wxDateTime m_dateVal; |
| 161 | #endif // wxUSE_DATETIME |
| 162 | }; |
| 163 | |
| 164 | struct wxCmdLineParam |
| 165 | { |
| 166 | wxCmdLineParam(const wxString& desc, |
| 167 | wxCmdLineParamType typ, |
| 168 | int fl) |
| 169 | : description(desc) |
| 170 | { |
| 171 | type = typ; |
| 172 | flags = fl; |
| 173 | } |
| 174 | |
| 175 | wxString description; |
| 176 | wxCmdLineParamType type; |
| 177 | int flags; |
| 178 | }; |
| 179 | |
| 180 | WX_DECLARE_OBJARRAY(wxCmdLineOption, wxArrayOptions); |
| 181 | WX_DECLARE_OBJARRAY(wxCmdLineParam, wxArrayParams); |
| 182 | |
| 183 | #include "wx/arrimpl.cpp" |
| 184 | |
| 185 | WX_DEFINE_OBJARRAY(wxArrayOptions) |
| 186 | WX_DEFINE_OBJARRAY(wxArrayParams) |
| 187 | |
| 188 | // the parser internal state |
| 189 | struct wxCmdLineParserData |
| 190 | { |
| 191 | // options |
| 192 | wxString m_switchChars; // characters which may start an option |
| 193 | bool m_enableLongOptions; // true if long options are enabled |
| 194 | wxString m_logo; // some extra text to show in Usage() |
| 195 | |
| 196 | // cmd line data |
| 197 | wxArrayString m_arguments; // == argv, argc == m_arguments.GetCount() |
| 198 | wxArrayOptions m_options; // all possible options and switches |
| 199 | wxArrayParams m_paramDesc; // description of all possible params |
| 200 | wxArrayString m_parameters; // all params found |
| 201 | |
| 202 | // methods |
| 203 | wxCmdLineParserData(); |
| 204 | void SetArguments(int argc, char **argv); |
| 205 | #if wxUSE_UNICODE |
| 206 | void SetArguments(int argc, wxChar **argv); |
| 207 | void SetArguments(int argc, const wxCmdLineArgsArray& argv); |
| 208 | #endif // wxUSE_UNICODE |
| 209 | void SetArguments(const wxString& cmdline); |
| 210 | |
| 211 | int FindOption(const wxString& name); |
| 212 | int FindOptionByLongName(const wxString& name); |
| 213 | }; |
| 214 | |
| 215 | // ============================================================================ |
| 216 | // implementation |
| 217 | // ============================================================================ |
| 218 | |
| 219 | // ---------------------------------------------------------------------------- |
| 220 | // wxCmdLineParserData |
| 221 | // ---------------------------------------------------------------------------- |
| 222 | |
| 223 | wxCmdLineParserData::wxCmdLineParserData() |
| 224 | { |
| 225 | m_enableLongOptions = true; |
| 226 | #ifdef __UNIX_LIKE__ |
| 227 | m_switchChars = wxT("-"); |
| 228 | #else // !Unix |
| 229 | m_switchChars = wxT("/-"); |
| 230 | #endif |
| 231 | } |
| 232 | |
| 233 | void wxCmdLineParserData::SetArguments(int argc, char **argv) |
| 234 | { |
| 235 | m_arguments.clear(); |
| 236 | |
| 237 | for ( int n = 0; n < argc; n++ ) |
| 238 | { |
| 239 | m_arguments.push_back(wxString::FromAscii(argv[n])); |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | #if wxUSE_UNICODE |
| 244 | |
| 245 | void wxCmdLineParserData::SetArguments(int argc, wxChar **argv) |
| 246 | { |
| 247 | m_arguments.clear(); |
| 248 | |
| 249 | for ( int n = 0; n < argc; n++ ) |
| 250 | { |
| 251 | m_arguments.push_back(argv[n]); |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | void wxCmdLineParserData::SetArguments(int WXUNUSED(argc), |
| 256 | const wxCmdLineArgsArray& argv) |
| 257 | { |
| 258 | m_arguments = argv.GetArguments(); |
| 259 | } |
| 260 | |
| 261 | #endif // wxUSE_UNICODE |
| 262 | |
| 263 | void wxCmdLineParserData::SetArguments(const wxString& cmdLine) |
| 264 | { |
| 265 | m_arguments.clear(); |
| 266 | |
| 267 | if(wxTheApp && wxTheApp->argc > 0) |
| 268 | m_arguments.push_back(wxTheApp->argv[0]); |
| 269 | else |
| 270 | m_arguments.push_back(wxEmptyString); |
| 271 | |
| 272 | wxArrayString args = wxCmdLineParser::ConvertStringToArgs(cmdLine); |
| 273 | |
| 274 | WX_APPEND_ARRAY(m_arguments, args); |
| 275 | } |
| 276 | |
| 277 | int wxCmdLineParserData::FindOption(const wxString& name) |
| 278 | { |
| 279 | if ( !name.empty() ) |
| 280 | { |
| 281 | size_t count = m_options.GetCount(); |
| 282 | for ( size_t n = 0; n < count; n++ ) |
| 283 | { |
| 284 | if ( m_options[n].shortName == name ) |
| 285 | { |
| 286 | // found |
| 287 | return n; |
| 288 | } |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | return wxNOT_FOUND; |
| 293 | } |
| 294 | |
| 295 | int wxCmdLineParserData::FindOptionByLongName(const wxString& name) |
| 296 | { |
| 297 | size_t count = m_options.GetCount(); |
| 298 | for ( size_t n = 0; n < count; n++ ) |
| 299 | { |
| 300 | if ( m_options[n].longName == name ) |
| 301 | { |
| 302 | // found |
| 303 | return n; |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | return wxNOT_FOUND; |
| 308 | } |
| 309 | |
| 310 | // ---------------------------------------------------------------------------- |
| 311 | // construction and destruction |
| 312 | // ---------------------------------------------------------------------------- |
| 313 | |
| 314 | void wxCmdLineParser::Init() |
| 315 | { |
| 316 | m_data = new wxCmdLineParserData; |
| 317 | } |
| 318 | |
| 319 | void wxCmdLineParser::SetCmdLine(int argc, char **argv) |
| 320 | { |
| 321 | m_data->SetArguments(argc, argv); |
| 322 | } |
| 323 | |
| 324 | #if wxUSE_UNICODE |
| 325 | |
| 326 | void wxCmdLineParser::SetCmdLine(int argc, wxChar **argv) |
| 327 | { |
| 328 | m_data->SetArguments(argc, argv); |
| 329 | } |
| 330 | |
| 331 | void wxCmdLineParser::SetCmdLine(int argc, const wxCmdLineArgsArray& argv) |
| 332 | { |
| 333 | m_data->SetArguments(argc, argv); |
| 334 | } |
| 335 | |
| 336 | #endif // wxUSE_UNICODE |
| 337 | |
| 338 | void wxCmdLineParser::SetCmdLine(const wxString& cmdline) |
| 339 | { |
| 340 | m_data->SetArguments(cmdline); |
| 341 | } |
| 342 | |
| 343 | wxCmdLineParser::~wxCmdLineParser() |
| 344 | { |
| 345 | delete m_data; |
| 346 | } |
| 347 | |
| 348 | // ---------------------------------------------------------------------------- |
| 349 | // options |
| 350 | // ---------------------------------------------------------------------------- |
| 351 | |
| 352 | void wxCmdLineParser::SetSwitchChars(const wxString& switchChars) |
| 353 | { |
| 354 | m_data->m_switchChars = switchChars; |
| 355 | } |
| 356 | |
| 357 | void wxCmdLineParser::EnableLongOptions(bool enable) |
| 358 | { |
| 359 | m_data->m_enableLongOptions = enable; |
| 360 | } |
| 361 | |
| 362 | bool wxCmdLineParser::AreLongOptionsEnabled() const |
| 363 | { |
| 364 | return m_data->m_enableLongOptions; |
| 365 | } |
| 366 | |
| 367 | void wxCmdLineParser::SetLogo(const wxString& logo) |
| 368 | { |
| 369 | m_data->m_logo = logo; |
| 370 | } |
| 371 | |
| 372 | // ---------------------------------------------------------------------------- |
| 373 | // command line construction |
| 374 | // ---------------------------------------------------------------------------- |
| 375 | |
| 376 | void wxCmdLineParser::SetDesc(const wxCmdLineEntryDesc *desc) |
| 377 | { |
| 378 | for ( ;; desc++ ) |
| 379 | { |
| 380 | switch ( desc->kind ) |
| 381 | { |
| 382 | case wxCMD_LINE_SWITCH: |
| 383 | AddSwitch(desc->shortName, desc->longName, |
| 384 | wxGetTranslation(desc->description), |
| 385 | desc->flags); |
| 386 | break; |
| 387 | |
| 388 | case wxCMD_LINE_OPTION: |
| 389 | AddOption(desc->shortName, desc->longName, |
| 390 | wxGetTranslation(desc->description), |
| 391 | desc->type, desc->flags); |
| 392 | break; |
| 393 | |
| 394 | case wxCMD_LINE_PARAM: |
| 395 | AddParam(wxGetTranslation(desc->description), |
| 396 | desc->type, desc->flags); |
| 397 | break; |
| 398 | |
| 399 | case wxCMD_LINE_USAGE_TEXT: |
| 400 | AddUsageText(wxGetTranslation(desc->description)); |
| 401 | break; |
| 402 | |
| 403 | default: |
| 404 | wxFAIL_MSG( wxT("unknown command line entry type") ); |
| 405 | // still fall through |
| 406 | |
| 407 | case wxCMD_LINE_NONE: |
| 408 | return; |
| 409 | } |
| 410 | } |
| 411 | } |
| 412 | |
| 413 | void wxCmdLineParser::AddSwitch(const wxString& shortName, |
| 414 | const wxString& longName, |
| 415 | const wxString& desc, |
| 416 | int flags) |
| 417 | { |
| 418 | wxASSERT_MSG( m_data->FindOption(shortName) == wxNOT_FOUND, |
| 419 | wxT("duplicate switch") ); |
| 420 | |
| 421 | wxCmdLineOption *option = new wxCmdLineOption(wxCMD_LINE_SWITCH, |
| 422 | shortName, longName, desc, |
| 423 | wxCMD_LINE_VAL_NONE, flags); |
| 424 | |
| 425 | m_data->m_options.Add(option); |
| 426 | } |
| 427 | |
| 428 | void wxCmdLineParser::AddOption(const wxString& shortName, |
| 429 | const wxString& longName, |
| 430 | const wxString& desc, |
| 431 | wxCmdLineParamType type, |
| 432 | int flags) |
| 433 | { |
| 434 | wxASSERT_MSG( m_data->FindOption(shortName) == wxNOT_FOUND, |
| 435 | wxT("duplicate option") ); |
| 436 | |
| 437 | wxCmdLineOption *option = new wxCmdLineOption(wxCMD_LINE_OPTION, |
| 438 | shortName, longName, desc, |
| 439 | type, flags); |
| 440 | |
| 441 | m_data->m_options.Add(option); |
| 442 | } |
| 443 | |
| 444 | void wxCmdLineParser::AddParam(const wxString& desc, |
| 445 | wxCmdLineParamType type, |
| 446 | int flags) |
| 447 | { |
| 448 | // do some consistency checks: a required parameter can't follow an |
| 449 | // optional one and nothing should follow a parameter with MULTIPLE flag |
| 450 | #if wxDEBUG_LEVEL |
| 451 | if ( !m_data->m_paramDesc.IsEmpty() ) |
| 452 | { |
| 453 | wxCmdLineParam& param = m_data->m_paramDesc.Last(); |
| 454 | |
| 455 | wxASSERT_MSG( !(param.flags & wxCMD_LINE_PARAM_MULTIPLE), |
| 456 | wxT("all parameters after the one with wxCMD_LINE_PARAM_MULTIPLE style will be ignored") ); |
| 457 | |
| 458 | if ( !(flags & wxCMD_LINE_PARAM_OPTIONAL) ) |
| 459 | { |
| 460 | wxASSERT_MSG( !(param.flags & wxCMD_LINE_PARAM_OPTIONAL), |
| 461 | wxT("a required parameter can't follow an optional one") ); |
| 462 | } |
| 463 | } |
| 464 | #endif // wxDEBUG_LEVEL |
| 465 | |
| 466 | wxCmdLineParam *param = new wxCmdLineParam(desc, type, flags); |
| 467 | |
| 468 | m_data->m_paramDesc.Add(param); |
| 469 | } |
| 470 | |
| 471 | void wxCmdLineParser::AddUsageText(const wxString& text) |
| 472 | { |
| 473 | wxASSERT_MSG( !text.empty(), wxT("text can't be empty") ); |
| 474 | |
| 475 | wxCmdLineOption *option = new wxCmdLineOption(wxCMD_LINE_USAGE_TEXT, |
| 476 | wxEmptyString, wxEmptyString, |
| 477 | text, wxCMD_LINE_VAL_NONE, 0); |
| 478 | |
| 479 | m_data->m_options.Add(option); |
| 480 | } |
| 481 | |
| 482 | // ---------------------------------------------------------------------------- |
| 483 | // access to parse command line |
| 484 | // ---------------------------------------------------------------------------- |
| 485 | |
| 486 | bool wxCmdLineParser::Found(const wxString& name) const |
| 487 | { |
| 488 | int i = m_data->FindOption(name); |
| 489 | if ( i == wxNOT_FOUND ) |
| 490 | i = m_data->FindOptionByLongName(name); |
| 491 | |
| 492 | wxCHECK_MSG( i != wxNOT_FOUND, false, wxT("unknown switch") ); |
| 493 | |
| 494 | wxCmdLineOption& opt = m_data->m_options[(size_t)i]; |
| 495 | if ( !opt.HasValue() ) |
| 496 | return false; |
| 497 | |
| 498 | return true; |
| 499 | } |
| 500 | |
| 501 | bool wxCmdLineParser::Found(const wxString& name, wxString *value) const |
| 502 | { |
| 503 | int i = m_data->FindOption(name); |
| 504 | if ( i == wxNOT_FOUND ) |
| 505 | i = m_data->FindOptionByLongName(name); |
| 506 | |
| 507 | wxCHECK_MSG( i != wxNOT_FOUND, false, wxT("unknown option") ); |
| 508 | |
| 509 | wxCmdLineOption& opt = m_data->m_options[(size_t)i]; |
| 510 | if ( !opt.HasValue() ) |
| 511 | return false; |
| 512 | |
| 513 | wxCHECK_MSG( value, false, wxT("NULL pointer in wxCmdLineOption::Found") ); |
| 514 | |
| 515 | *value = opt.GetStrVal(); |
| 516 | |
| 517 | return true; |
| 518 | } |
| 519 | |
| 520 | bool wxCmdLineParser::Found(const wxString& name, long *value) const |
| 521 | { |
| 522 | int i = m_data->FindOption(name); |
| 523 | if ( i == wxNOT_FOUND ) |
| 524 | i = m_data->FindOptionByLongName(name); |
| 525 | |
| 526 | wxCHECK_MSG( i != wxNOT_FOUND, false, wxT("unknown option") ); |
| 527 | |
| 528 | wxCmdLineOption& opt = m_data->m_options[(size_t)i]; |
| 529 | if ( !opt.HasValue() ) |
| 530 | return false; |
| 531 | |
| 532 | wxCHECK_MSG( value, false, wxT("NULL pointer in wxCmdLineOption::Found") ); |
| 533 | |
| 534 | *value = opt.GetLongVal(); |
| 535 | |
| 536 | return true; |
| 537 | } |
| 538 | |
| 539 | bool wxCmdLineParser::Found(const wxString& name, double *value) const |
| 540 | { |
| 541 | int i = m_data->FindOption(name); |
| 542 | if ( i == wxNOT_FOUND ) |
| 543 | i = m_data->FindOptionByLongName(name); |
| 544 | |
| 545 | wxCHECK_MSG( i != wxNOT_FOUND, false, wxT("unknown option") ); |
| 546 | |
| 547 | wxCmdLineOption& opt = m_data->m_options[(size_t)i]; |
| 548 | if ( !opt.HasValue() ) |
| 549 | return false; |
| 550 | |
| 551 | wxCHECK_MSG( value, false, wxT("NULL pointer in wxCmdLineOption::Found") ); |
| 552 | |
| 553 | *value = opt.GetDoubleVal(); |
| 554 | |
| 555 | return true; |
| 556 | } |
| 557 | |
| 558 | #if wxUSE_DATETIME |
| 559 | bool wxCmdLineParser::Found(const wxString& name, wxDateTime *value) const |
| 560 | { |
| 561 | int i = m_data->FindOption(name); |
| 562 | if ( i == wxNOT_FOUND ) |
| 563 | i = m_data->FindOptionByLongName(name); |
| 564 | |
| 565 | wxCHECK_MSG( i != wxNOT_FOUND, false, wxT("unknown option") ); |
| 566 | |
| 567 | wxCmdLineOption& opt = m_data->m_options[(size_t)i]; |
| 568 | if ( !opt.HasValue() ) |
| 569 | return false; |
| 570 | |
| 571 | wxCHECK_MSG( value, false, wxT("NULL pointer in wxCmdLineOption::Found") ); |
| 572 | |
| 573 | *value = opt.GetDateVal(); |
| 574 | |
| 575 | return true; |
| 576 | } |
| 577 | #endif // wxUSE_DATETIME |
| 578 | |
| 579 | size_t wxCmdLineParser::GetParamCount() const |
| 580 | { |
| 581 | return m_data->m_parameters.size(); |
| 582 | } |
| 583 | |
| 584 | wxString wxCmdLineParser::GetParam(size_t n) const |
| 585 | { |
| 586 | wxCHECK_MSG( n < GetParamCount(), wxEmptyString, wxT("invalid param index") ); |
| 587 | |
| 588 | return m_data->m_parameters[n]; |
| 589 | } |
| 590 | |
| 591 | // Resets switches and options |
| 592 | void wxCmdLineParser::Reset() |
| 593 | { |
| 594 | for ( size_t i = 0; i < m_data->m_options.GetCount(); i++ ) |
| 595 | { |
| 596 | wxCmdLineOption& opt = m_data->m_options[i]; |
| 597 | opt.SetHasValue(false); |
| 598 | } |
| 599 | } |
| 600 | |
| 601 | |
| 602 | // ---------------------------------------------------------------------------- |
| 603 | // the real work is done here |
| 604 | // ---------------------------------------------------------------------------- |
| 605 | |
| 606 | int wxCmdLineParser::Parse(bool showUsage) |
| 607 | { |
| 608 | bool maybeOption = true; // can the following arg be an option? |
| 609 | bool ok = true; // true until an error is detected |
| 610 | bool helpRequested = false; // true if "-h" was given |
| 611 | bool hadRepeatableParam = false; // true if found param with MULTIPLE flag |
| 612 | |
| 613 | size_t currentParam = 0; // the index in m_paramDesc |
| 614 | |
| 615 | size_t countParam = m_data->m_paramDesc.GetCount(); |
| 616 | wxString errorMsg; |
| 617 | |
| 618 | Reset(); |
| 619 | |
| 620 | // parse everything |
| 621 | wxString arg; |
| 622 | size_t count = m_data->m_arguments.size(); |
| 623 | for ( size_t n = 1; ok && (n < count); n++ ) // 0 is program name |
| 624 | { |
| 625 | arg = m_data->m_arguments[n]; |
| 626 | |
| 627 | // special case: "--" should be discarded and all following arguments |
| 628 | // should be considered as parameters, even if they start with '-' and |
| 629 | // not like options (this is POSIX-like) |
| 630 | if ( arg == wxT("--") ) |
| 631 | { |
| 632 | maybeOption = false; |
| 633 | |
| 634 | continue; |
| 635 | } |
| 636 | |
| 637 | // empty argument or just '-' is not an option but a parameter |
| 638 | if ( maybeOption && arg.length() > 1 && |
| 639 | // FIXME-UTF8: use wc_str() after removing ANSI build |
| 640 | wxStrchr(m_data->m_switchChars.c_str(), arg[0u]) ) |
| 641 | { |
| 642 | bool isLong; |
| 643 | wxString name; |
| 644 | int optInd = wxNOT_FOUND; // init to suppress warnings |
| 645 | |
| 646 | // an option or a switch: find whether it's a long or a short one |
| 647 | if ( arg.length() >= 3 && arg[0u] == wxT('-') && arg[1u] == wxT('-') ) |
| 648 | { |
| 649 | // a long one |
| 650 | isLong = true; |
| 651 | |
| 652 | // Skip leading "--" |
| 653 | wxString::const_iterator p = arg.begin() + 2; |
| 654 | |
| 655 | bool longOptionsEnabled = AreLongOptionsEnabled(); |
| 656 | |
| 657 | name = GetLongOptionName(p, arg.end()); |
| 658 | |
| 659 | if (longOptionsEnabled) |
| 660 | { |
| 661 | optInd = m_data->FindOptionByLongName(name); |
| 662 | if ( optInd == wxNOT_FOUND ) |
| 663 | { |
| 664 | errorMsg << wxString::Format(_("Unknown long option '%s'"), name.c_str()) |
| 665 | << wxT('\n'); |
| 666 | } |
| 667 | } |
| 668 | else |
| 669 | { |
| 670 | optInd = wxNOT_FOUND; // Sanity check |
| 671 | |
| 672 | // Print the argument including leading "--" |
| 673 | name.Prepend( wxT("--") ); |
| 674 | errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str()) |
| 675 | << wxT('\n'); |
| 676 | } |
| 677 | |
| 678 | } |
| 679 | else // not a long option |
| 680 | { |
| 681 | isLong = false; |
| 682 | |
| 683 | // a short one: as they can be cumulated, we try to find the |
| 684 | // longest substring which is a valid option |
| 685 | wxString::const_iterator p = arg.begin() + 1; |
| 686 | |
| 687 | name = GetShortOptionName(p, arg.end()); |
| 688 | |
| 689 | size_t len = name.length(); |
| 690 | do |
| 691 | { |
| 692 | if ( len == 0 ) |
| 693 | { |
| 694 | // we couldn't find a valid option name in the |
| 695 | // beginning of this string |
| 696 | errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str()) |
| 697 | << wxT('\n'); |
| 698 | |
| 699 | break; |
| 700 | } |
| 701 | else |
| 702 | { |
| 703 | optInd = m_data->FindOption(name.Left(len)); |
| 704 | |
| 705 | // will try with one character less the next time |
| 706 | len--; |
| 707 | } |
| 708 | } |
| 709 | while ( optInd == wxNOT_FOUND ); |
| 710 | |
| 711 | len++; // compensates extra len-- above |
| 712 | if ( (optInd != wxNOT_FOUND) && (len != name.length()) ) |
| 713 | { |
| 714 | // first of all, the option name is only part of this |
| 715 | // string |
| 716 | name = name.Left(len); |
| 717 | |
| 718 | // our option is only part of this argument, there is |
| 719 | // something else in it - it is either the value of this |
| 720 | // option or other switches if it is a switch |
| 721 | if ( m_data->m_options[(size_t)optInd].kind |
| 722 | == wxCMD_LINE_SWITCH ) |
| 723 | { |
| 724 | // pretend that all the rest of the argument is the |
| 725 | // next argument, in fact |
| 726 | wxString arg2 = arg[0u]; |
| 727 | arg2 += arg.Mid(len + 1); // +1 for leading '-' |
| 728 | |
| 729 | m_data->m_arguments.insert |
| 730 | (m_data->m_arguments.begin() + n + 1, arg2); |
| 731 | count++; |
| 732 | |
| 733 | // only leave the part which wasn't extracted into the |
| 734 | // next argument in this one |
| 735 | arg = arg.Left(len + 1); |
| 736 | } |
| 737 | //else: it's our value, we'll deal with it below |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | if ( optInd == wxNOT_FOUND ) |
| 742 | { |
| 743 | ok = false; |
| 744 | |
| 745 | continue; // will break, in fact |
| 746 | } |
| 747 | |
| 748 | // look at what follows: |
| 749 | |
| 750 | // +1 for leading '-' |
| 751 | wxString::const_iterator p = arg.begin() + 1 + name.length(); |
| 752 | wxString::const_iterator end = arg.end(); |
| 753 | |
| 754 | if ( isLong ) |
| 755 | ++p; // for another leading '-' |
| 756 | |
| 757 | wxCmdLineOption& opt = m_data->m_options[(size_t)optInd]; |
| 758 | if ( opt.kind == wxCMD_LINE_SWITCH ) |
| 759 | { |
| 760 | // we must check that there is no value following the switch |
| 761 | if ( p != arg.end() ) |
| 762 | { |
| 763 | errorMsg << wxString::Format(_("Unexpected characters following option '%s'."), name.c_str()) |
| 764 | << wxT('\n'); |
| 765 | ok = false; |
| 766 | } |
| 767 | else // no value, as expected |
| 768 | { |
| 769 | // nothing more to do |
| 770 | opt.SetHasValue(); |
| 771 | |
| 772 | if ( opt.flags & wxCMD_LINE_OPTION_HELP ) |
| 773 | { |
| 774 | helpRequested = true; |
| 775 | |
| 776 | // it's not an error, but we still stop here |
| 777 | ok = false; |
| 778 | } |
| 779 | } |
| 780 | } |
| 781 | else // it's an option. not a switch |
| 782 | { |
| 783 | switch ( p == end ? '\0' : (*p).GetValue() ) |
| 784 | { |
| 785 | case '=': |
| 786 | case ':': |
| 787 | // the value follows |
| 788 | ++p; |
| 789 | break; |
| 790 | |
| 791 | case '\0': |
| 792 | // the value is in the next argument |
| 793 | if ( ++n == count ) |
| 794 | { |
| 795 | // ... but there is none |
| 796 | errorMsg << wxString::Format(_("Option '%s' requires a value."), |
| 797 | name.c_str()) |
| 798 | << wxT('\n'); |
| 799 | |
| 800 | ok = false; |
| 801 | } |
| 802 | else |
| 803 | { |
| 804 | // ... take it from there |
| 805 | p = m_data->m_arguments[n].begin(); |
| 806 | end = m_data->m_arguments[n].end(); |
| 807 | } |
| 808 | break; |
| 809 | |
| 810 | default: |
| 811 | // the value is right here: this may be legal or |
| 812 | // not depending on the option style |
| 813 | if ( opt.flags & wxCMD_LINE_NEEDS_SEPARATOR ) |
| 814 | { |
| 815 | errorMsg << wxString::Format(_("Separator expected after the option '%s'."), |
| 816 | name.c_str()) |
| 817 | << wxT('\n'); |
| 818 | |
| 819 | ok = false; |
| 820 | } |
| 821 | } |
| 822 | |
| 823 | if ( ok ) |
| 824 | { |
| 825 | wxString value(p, end); |
| 826 | switch ( opt.type ) |
| 827 | { |
| 828 | default: |
| 829 | wxFAIL_MSG( wxT("unknown option type") ); |
| 830 | // still fall through |
| 831 | |
| 832 | case wxCMD_LINE_VAL_STRING: |
| 833 | opt.SetStrVal(value); |
| 834 | break; |
| 835 | |
| 836 | case wxCMD_LINE_VAL_NUMBER: |
| 837 | { |
| 838 | long val; |
| 839 | if ( value.ToLong(&val) ) |
| 840 | { |
| 841 | opt.SetLongVal(val); |
| 842 | } |
| 843 | else |
| 844 | { |
| 845 | errorMsg << wxString::Format(_("'%s' is not a correct numeric value for option '%s'."), |
| 846 | value.c_str(), name.c_str()) |
| 847 | << wxT('\n'); |
| 848 | |
| 849 | ok = false; |
| 850 | } |
| 851 | } |
| 852 | break; |
| 853 | |
| 854 | case wxCMD_LINE_VAL_DOUBLE: |
| 855 | { |
| 856 | double val; |
| 857 | if ( value.ToDouble(&val) ) |
| 858 | { |
| 859 | opt.SetDoubleVal(val); |
| 860 | } |
| 861 | else |
| 862 | { |
| 863 | errorMsg << wxString::Format(_("'%s' is not a correct numeric value for option '%s'."), |
| 864 | value.c_str(), name.c_str()) |
| 865 | << wxT('\n'); |
| 866 | |
| 867 | ok = false; |
| 868 | } |
| 869 | } |
| 870 | break; |
| 871 | |
| 872 | #if wxUSE_DATETIME |
| 873 | case wxCMD_LINE_VAL_DATE: |
| 874 | { |
| 875 | wxDateTime dt; |
| 876 | wxString::const_iterator end; |
| 877 | if ( !dt.ParseDate(value, &end) || end != value.end() ) |
| 878 | { |
| 879 | errorMsg << wxString::Format(_("Option '%s': '%s' cannot be converted to a date."), |
| 880 | name.c_str(), value.c_str()) |
| 881 | << wxT('\n'); |
| 882 | |
| 883 | ok = false; |
| 884 | } |
| 885 | else |
| 886 | { |
| 887 | opt.SetDateVal(dt); |
| 888 | } |
| 889 | } |
| 890 | break; |
| 891 | #endif // wxUSE_DATETIME |
| 892 | } |
| 893 | } |
| 894 | } |
| 895 | } |
| 896 | else // not an option, must be a parameter |
| 897 | { |
| 898 | if ( currentParam < countParam ) |
| 899 | { |
| 900 | wxCmdLineParam& param = m_data->m_paramDesc[currentParam]; |
| 901 | |
| 902 | // TODO check the param type |
| 903 | |
| 904 | m_data->m_parameters.push_back(arg); |
| 905 | |
| 906 | if ( !(param.flags & wxCMD_LINE_PARAM_MULTIPLE) ) |
| 907 | { |
| 908 | currentParam++; |
| 909 | } |
| 910 | else |
| 911 | { |
| 912 | wxASSERT_MSG( currentParam == countParam - 1, |
| 913 | wxT("all parameters after the one with wxCMD_LINE_PARAM_MULTIPLE style are ignored") ); |
| 914 | |
| 915 | // remember that we did have this last repeatable parameter |
| 916 | hadRepeatableParam = true; |
| 917 | } |
| 918 | } |
| 919 | else |
| 920 | { |
| 921 | errorMsg << wxString::Format(_("Unexpected parameter '%s'"), arg.c_str()) |
| 922 | << wxT('\n'); |
| 923 | |
| 924 | ok = false; |
| 925 | } |
| 926 | } |
| 927 | } |
| 928 | |
| 929 | // verify that all mandatory options were given |
| 930 | if ( ok ) |
| 931 | { |
| 932 | size_t countOpt = m_data->m_options.GetCount(); |
| 933 | for ( size_t n = 0; ok && (n < countOpt); n++ ) |
| 934 | { |
| 935 | wxCmdLineOption& opt = m_data->m_options[n]; |
| 936 | if ( (opt.flags & wxCMD_LINE_OPTION_MANDATORY) && !opt.HasValue() ) |
| 937 | { |
| 938 | wxString optName; |
| 939 | if ( !opt.longName ) |
| 940 | { |
| 941 | optName = opt.shortName; |
| 942 | } |
| 943 | else |
| 944 | { |
| 945 | if ( AreLongOptionsEnabled() ) |
| 946 | { |
| 947 | optName.Printf( _("%s (or %s)"), |
| 948 | opt.shortName.c_str(), |
| 949 | opt.longName.c_str() ); |
| 950 | } |
| 951 | else |
| 952 | { |
| 953 | optName.Printf( wxT("%s"), |
| 954 | opt.shortName.c_str() ); |
| 955 | } |
| 956 | } |
| 957 | |
| 958 | errorMsg << wxString::Format(_("The value for the option '%s' must be specified."), |
| 959 | optName.c_str()) |
| 960 | << wxT('\n'); |
| 961 | |
| 962 | ok = false; |
| 963 | } |
| 964 | } |
| 965 | |
| 966 | for ( ; ok && (currentParam < countParam); currentParam++ ) |
| 967 | { |
| 968 | wxCmdLineParam& param = m_data->m_paramDesc[currentParam]; |
| 969 | if ( (currentParam == countParam - 1) && |
| 970 | (param.flags & wxCMD_LINE_PARAM_MULTIPLE) && |
| 971 | hadRepeatableParam ) |
| 972 | { |
| 973 | // special case: currentParam wasn't incremented, but we did |
| 974 | // have it, so don't give error |
| 975 | continue; |
| 976 | } |
| 977 | |
| 978 | if ( !(param.flags & wxCMD_LINE_PARAM_OPTIONAL) ) |
| 979 | { |
| 980 | errorMsg << wxString::Format(_("The required parameter '%s' was not specified."), |
| 981 | param.description.c_str()) |
| 982 | << wxT('\n'); |
| 983 | |
| 984 | ok = false; |
| 985 | } |
| 986 | } |
| 987 | } |
| 988 | |
| 989 | // if there was an error during parsing the command line, show this error |
| 990 | // and also the usage message if it had been requested |
| 991 | if ( !ok && (!errorMsg.empty() || (helpRequested && showUsage)) ) |
| 992 | { |
| 993 | wxMessageOutput* msgOut = wxMessageOutput::Get(); |
| 994 | if ( msgOut ) |
| 995 | { |
| 996 | wxString usage; |
| 997 | if ( showUsage ) |
| 998 | usage = GetUsageString(); |
| 999 | |
| 1000 | msgOut->Printf( wxT("%s%s"), usage.c_str(), errorMsg.c_str() ); |
| 1001 | } |
| 1002 | else |
| 1003 | { |
| 1004 | wxFAIL_MSG( wxT("no wxMessageOutput object?") ); |
| 1005 | } |
| 1006 | } |
| 1007 | |
| 1008 | return ok ? 0 : helpRequested ? -1 : 1; |
| 1009 | } |
| 1010 | |
| 1011 | // ---------------------------------------------------------------------------- |
| 1012 | // give the usage message |
| 1013 | // ---------------------------------------------------------------------------- |
| 1014 | |
| 1015 | void wxCmdLineParser::Usage() const |
| 1016 | { |
| 1017 | wxMessageOutput* msgOut = wxMessageOutput::Get(); |
| 1018 | if ( msgOut ) |
| 1019 | { |
| 1020 | msgOut->Printf( wxT("%s"), GetUsageString().c_str() ); |
| 1021 | } |
| 1022 | else |
| 1023 | { |
| 1024 | wxFAIL_MSG( wxT("no wxMessageOutput object?") ); |
| 1025 | } |
| 1026 | } |
| 1027 | |
| 1028 | wxString wxCmdLineParser::GetUsageString() const |
| 1029 | { |
| 1030 | wxString appname; |
| 1031 | if ( m_data->m_arguments.empty() ) |
| 1032 | { |
| 1033 | if ( wxTheApp ) |
| 1034 | appname = wxTheApp->GetAppName(); |
| 1035 | } |
| 1036 | else // use argv[0] |
| 1037 | { |
| 1038 | appname = wxFileName(m_data->m_arguments[0]).GetName(); |
| 1039 | } |
| 1040 | |
| 1041 | // we construct the brief cmd line desc on the fly, but not the detailed |
| 1042 | // help message below because we want to align the options descriptions |
| 1043 | // and for this we must first know the longest one of them |
| 1044 | wxString usage; |
| 1045 | wxArrayString namesOptions, descOptions; |
| 1046 | |
| 1047 | if ( !m_data->m_logo.empty() ) |
| 1048 | { |
| 1049 | usage << m_data->m_logo << wxT('\n'); |
| 1050 | } |
| 1051 | |
| 1052 | usage << wxString::Format(_("Usage: %s"), appname.c_str()); |
| 1053 | |
| 1054 | // the switch char is usually '-' but this can be changed with |
| 1055 | // SetSwitchChars() and then the first one of possible chars is used |
| 1056 | wxChar chSwitch = !m_data->m_switchChars ? wxT('-') |
| 1057 | : m_data->m_switchChars[0u]; |
| 1058 | |
| 1059 | bool areLongOptionsEnabled = AreLongOptionsEnabled(); |
| 1060 | size_t n, count = m_data->m_options.GetCount(); |
| 1061 | for ( n = 0; n < count; n++ ) |
| 1062 | { |
| 1063 | wxCmdLineOption& opt = m_data->m_options[n]; |
| 1064 | wxString option; |
| 1065 | |
| 1066 | if ( opt.kind != wxCMD_LINE_USAGE_TEXT ) |
| 1067 | { |
| 1068 | usage << wxT(' '); |
| 1069 | if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) ) |
| 1070 | { |
| 1071 | usage << wxT('['); |
| 1072 | } |
| 1073 | |
| 1074 | if ( !opt.shortName.empty() ) |
| 1075 | { |
| 1076 | usage << chSwitch << opt.shortName; |
| 1077 | } |
| 1078 | else if ( areLongOptionsEnabled && !opt.longName.empty() ) |
| 1079 | { |
| 1080 | usage << wxT("--") << opt.longName; |
| 1081 | } |
| 1082 | else |
| 1083 | { |
| 1084 | if (!opt.longName.empty()) |
| 1085 | { |
| 1086 | wxFAIL_MSG( wxT("option with only a long name while long ") |
| 1087 | wxT("options are disabled") ); |
| 1088 | } |
| 1089 | else |
| 1090 | { |
| 1091 | wxFAIL_MSG( wxT("option without neither short nor long name") ); |
| 1092 | } |
| 1093 | } |
| 1094 | |
| 1095 | if ( !opt.shortName.empty() ) |
| 1096 | { |
| 1097 | option << wxT(" ") << chSwitch << opt.shortName; |
| 1098 | } |
| 1099 | |
| 1100 | if ( areLongOptionsEnabled && !opt.longName.empty() ) |
| 1101 | { |
| 1102 | option << (option.empty() ? wxT(" ") : wxT(", ")) |
| 1103 | << wxT("--") << opt.longName; |
| 1104 | } |
| 1105 | |
| 1106 | if ( opt.kind != wxCMD_LINE_SWITCH ) |
| 1107 | { |
| 1108 | wxString val; |
| 1109 | val << wxT('<') << GetTypeName(opt.type) << wxT('>'); |
| 1110 | usage << wxT(' ') << val; |
| 1111 | option << (!opt.longName ? wxT(':') : wxT('=')) << val; |
| 1112 | } |
| 1113 | |
| 1114 | if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) ) |
| 1115 | { |
| 1116 | usage << wxT(']'); |
| 1117 | } |
| 1118 | } |
| 1119 | |
| 1120 | namesOptions.push_back(option); |
| 1121 | descOptions.push_back(opt.description); |
| 1122 | } |
| 1123 | |
| 1124 | count = m_data->m_paramDesc.GetCount(); |
| 1125 | for ( n = 0; n < count; n++ ) |
| 1126 | { |
| 1127 | wxCmdLineParam& param = m_data->m_paramDesc[n]; |
| 1128 | |
| 1129 | usage << wxT(' '); |
| 1130 | if ( param.flags & wxCMD_LINE_PARAM_OPTIONAL ) |
| 1131 | { |
| 1132 | usage << wxT('['); |
| 1133 | } |
| 1134 | |
| 1135 | usage << param.description; |
| 1136 | |
| 1137 | if ( param.flags & wxCMD_LINE_PARAM_MULTIPLE ) |
| 1138 | { |
| 1139 | usage << wxT("..."); |
| 1140 | } |
| 1141 | |
| 1142 | if ( param.flags & wxCMD_LINE_PARAM_OPTIONAL ) |
| 1143 | { |
| 1144 | usage << wxT(']'); |
| 1145 | } |
| 1146 | } |
| 1147 | |
| 1148 | usage << wxT('\n'); |
| 1149 | |
| 1150 | // set to number of our own options, not counting the standard ones |
| 1151 | count = namesOptions.size(); |
| 1152 | |
| 1153 | // get option names & descriptions for standard options, if any: |
| 1154 | wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL; |
| 1155 | wxString stdDesc; |
| 1156 | if ( traits ) |
| 1157 | stdDesc = traits->GetStandardCmdLineOptions(namesOptions, descOptions); |
| 1158 | |
| 1159 | // now construct the detailed help message |
| 1160 | size_t len, lenMax = 0; |
| 1161 | for ( n = 0; n < namesOptions.size(); n++ ) |
| 1162 | { |
| 1163 | len = namesOptions[n].length(); |
| 1164 | if ( len > lenMax ) |
| 1165 | lenMax = len; |
| 1166 | } |
| 1167 | |
| 1168 | for ( n = 0; n < namesOptions.size(); n++ ) |
| 1169 | { |
| 1170 | if ( n == count ) |
| 1171 | usage << wxT('\n') << stdDesc; |
| 1172 | |
| 1173 | len = namesOptions[n].length(); |
| 1174 | // desc contains text if name is empty |
| 1175 | if (len == 0) |
| 1176 | { |
| 1177 | usage << descOptions[n] << wxT('\n'); |
| 1178 | } |
| 1179 | else |
| 1180 | { |
| 1181 | usage << namesOptions[n] |
| 1182 | << wxString(wxT(' '), lenMax - len) << wxT('\t') |
| 1183 | << descOptions[n] |
| 1184 | << wxT('\n'); |
| 1185 | } |
| 1186 | } |
| 1187 | |
| 1188 | return usage; |
| 1189 | } |
| 1190 | |
| 1191 | // ---------------------------------------------------------------------------- |
| 1192 | // private functions |
| 1193 | // ---------------------------------------------------------------------------- |
| 1194 | |
| 1195 | static wxString GetTypeName(wxCmdLineParamType type) |
| 1196 | { |
| 1197 | wxString s; |
| 1198 | switch ( type ) |
| 1199 | { |
| 1200 | default: |
| 1201 | wxFAIL_MSG( wxT("unknown option type") ); |
| 1202 | // still fall through |
| 1203 | |
| 1204 | case wxCMD_LINE_VAL_STRING: |
| 1205 | s = _("str"); |
| 1206 | break; |
| 1207 | |
| 1208 | case wxCMD_LINE_VAL_NUMBER: |
| 1209 | s = _("num"); |
| 1210 | break; |
| 1211 | |
| 1212 | case wxCMD_LINE_VAL_DOUBLE: |
| 1213 | s = _("double"); |
| 1214 | break; |
| 1215 | |
| 1216 | case wxCMD_LINE_VAL_DATE: |
| 1217 | s = _("date"); |
| 1218 | break; |
| 1219 | } |
| 1220 | |
| 1221 | return s; |
| 1222 | } |
| 1223 | |
| 1224 | /* |
| 1225 | Returns a string which is equal to the string pointed to by p, but up to the |
| 1226 | point where p contains an character that's not allowed. |
| 1227 | Allowable characters are letters and numbers, and characters pointed to by |
| 1228 | the parameter allowedChars. |
| 1229 | |
| 1230 | For example, if p points to "abcde-@-_", and allowedChars is "-_", |
| 1231 | this function returns "abcde-". |
| 1232 | */ |
| 1233 | static wxString GetOptionName(wxString::const_iterator p, |
| 1234 | wxString::const_iterator end, |
| 1235 | const wxChar *allowedChars) |
| 1236 | { |
| 1237 | wxString argName; |
| 1238 | |
| 1239 | while ( p != end && (wxIsalnum(*p) || wxStrchr(allowedChars, *p)) ) |
| 1240 | { |
| 1241 | argName += *p++; |
| 1242 | } |
| 1243 | |
| 1244 | return argName; |
| 1245 | } |
| 1246 | |
| 1247 | // Besides alphanumeric characters, short and long options can |
| 1248 | // have other characters. |
| 1249 | |
| 1250 | // A short option additionally can have these |
| 1251 | #define wxCMD_LINE_CHARS_ALLOWED_BY_SHORT_OPTION wxT("_?") |
| 1252 | |
| 1253 | // A long option can have the same characters as a short option and a '-'. |
| 1254 | #define wxCMD_LINE_CHARS_ALLOWED_BY_LONG_OPTION \ |
| 1255 | wxCMD_LINE_CHARS_ALLOWED_BY_SHORT_OPTION wxT("-") |
| 1256 | |
| 1257 | static wxString GetShortOptionName(wxString::const_iterator p, |
| 1258 | wxString::const_iterator end) |
| 1259 | { |
| 1260 | return GetOptionName(p, end, wxCMD_LINE_CHARS_ALLOWED_BY_SHORT_OPTION); |
| 1261 | } |
| 1262 | |
| 1263 | static wxString GetLongOptionName(wxString::const_iterator p, |
| 1264 | wxString::const_iterator end) |
| 1265 | { |
| 1266 | return GetOptionName(p, end, wxCMD_LINE_CHARS_ALLOWED_BY_LONG_OPTION); |
| 1267 | } |
| 1268 | |
| 1269 | #endif // wxUSE_CMDLINE_PARSER |
| 1270 | |
| 1271 | // ---------------------------------------------------------------------------- |
| 1272 | // global functions |
| 1273 | // ---------------------------------------------------------------------------- |
| 1274 | |
| 1275 | /* |
| 1276 | This function is mainly used under Windows (as under Unix we always get the |
| 1277 | command line arguments as argc/argv anyhow) and so it tries to follow |
| 1278 | Windows conventions for the command line handling, not Unix ones. For |
| 1279 | instance, backslash is not special except when it precedes double quote when |
| 1280 | it does quote it. |
| 1281 | */ |
| 1282 | |
| 1283 | /* static */ |
| 1284 | wxArrayString |
| 1285 | wxCmdLineParser::ConvertStringToArgs(const wxString& cmdline, |
| 1286 | wxCmdLineSplitType type) |
| 1287 | { |
| 1288 | wxArrayString args; |
| 1289 | |
| 1290 | wxString arg; |
| 1291 | arg.reserve(1024); |
| 1292 | |
| 1293 | const wxString::const_iterator end = cmdline.end(); |
| 1294 | wxString::const_iterator p = cmdline.begin(); |
| 1295 | |
| 1296 | for ( ;; ) |
| 1297 | { |
| 1298 | // skip white space |
| 1299 | while ( p != end && (*p == ' ' || *p == '\t') ) |
| 1300 | ++p; |
| 1301 | |
| 1302 | // anything left? |
| 1303 | if ( p == end ) |
| 1304 | break; |
| 1305 | |
| 1306 | // parse this parameter |
| 1307 | bool lastBS = false, |
| 1308 | isInsideQuotes = false; |
| 1309 | wxChar chDelim = '\0'; |
| 1310 | for ( arg.clear(); p != end; ++p ) |
| 1311 | { |
| 1312 | const wxChar ch = *p; |
| 1313 | |
| 1314 | if ( type == wxCMD_LINE_SPLIT_DOS ) |
| 1315 | { |
| 1316 | if ( ch == '"' ) |
| 1317 | { |
| 1318 | if ( !lastBS ) |
| 1319 | { |
| 1320 | isInsideQuotes = !isInsideQuotes; |
| 1321 | |
| 1322 | // don't put quote in arg |
| 1323 | continue; |
| 1324 | } |
| 1325 | //else: quote has no special meaning but the backslash |
| 1326 | // still remains -- makes no sense but this is what |
| 1327 | // Windows does |
| 1328 | } |
| 1329 | // note that backslash does *not* quote the space, only quotes do |
| 1330 | else if ( !isInsideQuotes && (ch == ' ' || ch == '\t') ) |
| 1331 | { |
| 1332 | ++p; // skip this space anyhow |
| 1333 | break; |
| 1334 | } |
| 1335 | |
| 1336 | lastBS = !lastBS && ch == '\\'; |
| 1337 | } |
| 1338 | else // type == wxCMD_LINE_SPLIT_UNIX |
| 1339 | { |
| 1340 | if ( !lastBS ) |
| 1341 | { |
| 1342 | if ( isInsideQuotes ) |
| 1343 | { |
| 1344 | if ( ch == chDelim ) |
| 1345 | { |
| 1346 | isInsideQuotes = false; |
| 1347 | |
| 1348 | continue; // don't use the quote itself |
| 1349 | } |
| 1350 | } |
| 1351 | else // not in quotes and not escaped |
| 1352 | { |
| 1353 | if ( ch == '\'' || ch == '"' ) |
| 1354 | { |
| 1355 | isInsideQuotes = true; |
| 1356 | chDelim = ch; |
| 1357 | |
| 1358 | continue; // don't use the quote itself |
| 1359 | } |
| 1360 | |
| 1361 | if ( ch == ' ' || ch == '\t' ) |
| 1362 | { |
| 1363 | ++p; // skip this space anyhow |
| 1364 | break; |
| 1365 | } |
| 1366 | } |
| 1367 | |
| 1368 | lastBS = ch == '\\'; |
| 1369 | if ( lastBS ) |
| 1370 | continue; |
| 1371 | } |
| 1372 | else // escaped by backslash, just use as is |
| 1373 | { |
| 1374 | lastBS = false; |
| 1375 | } |
| 1376 | } |
| 1377 | |
| 1378 | arg += ch; |
| 1379 | } |
| 1380 | |
| 1381 | args.push_back(arg); |
| 1382 | } |
| 1383 | |
| 1384 | return args; |
| 1385 | } |