| | 1 | ///////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: uri.cpp |
| | 3 | // Purpose: Implementation of a uri parser |
| | 4 | // Author: Ryan Norton |
| | 5 | // Created: 10/26/04 |
| | 6 | // RCS-ID: $Id$ |
| | 7 | // Copyright: (c) 2004 Ryan Norton |
| | 8 | // Licence: wxWindows |
| | 9 | ///////////////////////////////////////////////////////////////////////////// |
| | 10 | |
| | 11 | // =========================================================================== |
| | 12 | // declarations |
| | 13 | // =========================================================================== |
| | 14 | |
| | 15 | // --------------------------------------------------------------------------- |
| | 16 | // headers |
| | 17 | // --------------------------------------------------------------------------- |
| | 18 | |
| | 19 | // For compilers that support precompilation, includes "wx.h". |
| | 20 | #include "wx/wxprec.h" |
| | 21 | |
| | 22 | #ifdef __BORLANDC__ |
| | 23 | #pragma hdrstop |
| | 24 | #endif |
| | 25 | |
| | 26 | #include "wx/uri.h" |
| | 27 | |
| | 28 | // --------------------------------------------------------------------------- |
| | 29 | // definitions |
| | 30 | // --------------------------------------------------------------------------- |
| | 31 | |
| | 32 | IMPLEMENT_CLASS(wxURI, wxObject) |
| | 33 | |
| | 34 | // =========================================================================== |
| | 35 | // implementation |
| | 36 | // =========================================================================== |
| | 37 | |
| | 38 | // --------------------------------------------------------------------------- |
| | 39 | // utilities |
| | 40 | // --------------------------------------------------------------------------- |
| | 41 | |
| | 42 | // --------------------------------------------------------------------------- |
| | 43 | // |
| | 44 | // wxURI |
| | 45 | // |
| | 46 | // --------------------------------------------------------------------------- |
| | 47 | |
| | 48 | // --------------------------------------------------------------------------- |
| | 49 | // Constructors |
| | 50 | // --------------------------------------------------------------------------- |
| | 51 | |
| | 52 | wxURI::wxURI() : m_hostType(wxURI_REGNAME), m_fields(0) |
| | 53 | { |
| | 54 | } |
| | 55 | |
| | 56 | wxURI::wxURI(const wxString& uri) : m_hostType(wxURI_REGNAME), m_fields(0) |
| | 57 | { |
| | 58 | Create(uri); |
| | 59 | } |
| | 60 | |
| | 61 | wxURI::wxURI(const wxURI& uri) : wxObject(), m_hostType(wxURI_REGNAME), m_fields(0) |
| | 62 | { |
| | 63 | Assign(uri); |
| | 64 | } |
| | 65 | |
| | 66 | // --------------------------------------------------------------------------- |
| | 67 | // Destructor and cleanup |
| | 68 | // --------------------------------------------------------------------------- |
| | 69 | |
| | 70 | wxURI::~wxURI() |
| | 71 | { |
| | 72 | Clear(); |
| | 73 | } |
| | 74 | |
| | 75 | void wxURI::Clear() |
| | 76 | { |
| | 77 | m_scheme = m_userinfo = m_server = m_port = m_path = |
| | 78 | m_query = m_fragment = wxEmptyString; |
| | 79 | |
| | 80 | m_hostType = wxURI_REGNAME; |
| | 81 | |
| | 82 | m_fields = 0; |
| | 83 | } |
| | 84 | |
| | 85 | // --------------------------------------------------------------------------- |
| | 86 | // Create |
| | 87 | // |
| | 88 | // This creates the URI - all we do here is call the main parsing method |
| | 89 | // --------------------------------------------------------------------------- |
| | 90 | |
| | 91 | const wxChar* wxURI::Create(const wxString& uri) |
| | 92 | { |
| | 93 | if (m_fields) |
| | 94 | Clear(); |
| | 95 | |
| | 96 | return Parse(uri); |
| | 97 | } |
| | 98 | |
| | 99 | // --------------------------------------------------------------------------- |
| | 100 | // Escape Methods |
| | 101 | // |
| | 102 | // TranslateEscape unencodes a 3 character URL escape sequence |
| | 103 | // |
| | 104 | // Escape encodes an invalid URI character into a 3 character sequence |
| | 105 | // |
| | 106 | // IsEscape determines if the input string contains an escape sequence, |
| | 107 | // if it does, then it moves the input string past the escape sequence |
| | 108 | // |
| | 109 | // Unescape unencodes all 3 character URL escape sequences in a wxString |
| | 110 | // --------------------------------------------------------------------------- |
| | 111 | |
| | 112 | wxUniChar wxURI::TranslateEscape(const wxString::const_iterator& s) |
| | 113 | { |
| | 114 | wxChar c1(*s); |
| | 115 | wxChar c2(*(s + 1)); |
| | 116 | |
| | 117 | wxASSERT_MSG( IsHex(c1) && IsHex(c2), wxT("Invalid escape sequence!")); |
| | 118 | |
| | 119 | return wx_truncate_cast(wxChar, (CharToHex(c1) << 4 ) | CharToHex(c2)); |
| | 120 | } |
| | 121 | |
| | 122 | wxString wxURI::Unescape(const wxString& uri) |
| | 123 | { |
| | 124 | wxString new_uri; |
| | 125 | |
| | 126 | for (wxString::const_iterator i = uri.begin(); i != uri.end(); ++i) |
| | 127 | { |
| | 128 | if ( *i == wxT('%') ) |
| | 129 | { |
| | 130 | new_uri += wxURI::TranslateEscape(i + 1); |
| | 131 | i += 2; |
| | 132 | } |
| | 133 | else |
| | 134 | new_uri += *i; |
| | 135 | } |
| | 136 | |
| | 137 | return new_uri; |
| | 138 | } |
| | 139 | |
| | 140 | void wxURI::Escape(wxString& s, const wxChar& c) |
| | 141 | { |
| | 142 | const wxChar* hdig = wxT("0123456789abcdef"); |
| | 143 | s += wxT('%'); |
| | 144 | s += hdig[(c >> 4) & 15]; |
| | 145 | s += hdig[c & 15]; |
| | 146 | } |
| | 147 | |
| | 148 | bool wxURI::IsEscape(const wxChar*& uri) |
| | 149 | { |
| | 150 | // pct-encoded = "%" HEXDIG HEXDIG |
| | 151 | if(*uri == wxT('%') && IsHex(*(uri+1)) && IsHex(*(uri+2))) |
| | 152 | return true; |
| | 153 | else |
| | 154 | return false; |
| | 155 | } |
| | 156 | |
| | 157 | // --------------------------------------------------------------------------- |
| | 158 | // GetUser |
| | 159 | // GetPassword |
| | 160 | // |
| | 161 | // Gets the username and password via the old URL method. |
| | 162 | // --------------------------------------------------------------------------- |
| | 163 | wxString wxURI::GetUser() const |
| | 164 | { |
| | 165 | size_t dwPasswordPos = m_userinfo.find(':'); |
| | 166 | |
| | 167 | if (dwPasswordPos == wxString::npos) |
| | 168 | dwPasswordPos = 0; |
| | 169 | |
| | 170 | return m_userinfo(0, dwPasswordPos); |
| | 171 | } |
| | 172 | |
| | 173 | wxString wxURI::GetPassword() const |
| | 174 | { |
| | 175 | size_t dwPasswordPos = m_userinfo.find(':'); |
| | 176 | |
| | 177 | if (dwPasswordPos == wxString::npos) |
| | 178 | return wxT(""); |
| | 179 | else |
| | 180 | return m_userinfo(dwPasswordPos+1, m_userinfo.length() + 1); |
| | 181 | } |
| | 182 | |
| | 183 | // --------------------------------------------------------------------------- |
| | 184 | // BuildURI |
| | 185 | // |
| | 186 | // BuildURI() builds the entire URI into a useable |
| | 187 | // representation, including proper identification characters such as slashes |
| | 188 | // |
| | 189 | // BuildUnescapedURI() does the same thing as BuildURI(), only it unescapes |
| | 190 | // the components that accept escape sequences |
| | 191 | // --------------------------------------------------------------------------- |
| | 192 | |
| | 193 | wxString wxURI::BuildURI() const |
| | 194 | { |
| | 195 | wxString ret; |
| | 196 | |
| | 197 | if (HasScheme()) |
| | 198 | ret = ret + m_scheme + wxT(":"); |
| | 199 | |
| | 200 | if (HasServer()) |
| | 201 | { |
| | 202 | ret += wxT("//"); |
| | 203 | |
| | 204 | if (HasUserInfo()) |
| | 205 | ret = ret + m_userinfo + wxT("@"); |
| | 206 | |
| | 207 | ret += m_server; |
| | 208 | |
| | 209 | if (HasPort()) |
| | 210 | ret = ret + wxT(":") + m_port; |
| | 211 | } |
| | 212 | |
| | 213 | ret += m_path; |
| | 214 | |
| | 215 | if (HasQuery()) |
| | 216 | ret = ret + wxT("?") + m_query; |
| | 217 | |
| | 218 | if (HasFragment()) |
| | 219 | ret = ret + wxT("#") + m_fragment; |
| | 220 | |
| | 221 | return ret; |
| | 222 | } |
| | 223 | |
| | 224 | wxString wxURI::BuildUnescapedURI() const |
| | 225 | { |
| | 226 | wxString ret; |
| | 227 | |
| | 228 | if (HasScheme()) |
| | 229 | ret = ret + m_scheme + wxT(":"); |
| | 230 | |
| | 231 | if (HasServer()) |
| | 232 | { |
| | 233 | ret += wxT("//"); |
| | 234 | |
| | 235 | if (HasUserInfo()) |
| | 236 | ret = ret + wxURI::Unescape(m_userinfo) + wxT("@"); |
| | 237 | |
| | 238 | if (m_hostType == wxURI_REGNAME) |
| | 239 | ret += wxURI::Unescape(m_server); |
| | 240 | else |
| | 241 | ret += m_server; |
| | 242 | |
| | 243 | if (HasPort()) |
| | 244 | ret = ret + wxT(":") + m_port; |
| | 245 | } |
| | 246 | |
| | 247 | ret += wxURI::Unescape(m_path); |
| | 248 | |
| | 249 | if (HasQuery()) |
| | 250 | ret = ret + wxT("?") + wxURI::Unescape(m_query); |
| | 251 | |
| | 252 | if (HasFragment()) |
| | 253 | ret = ret + wxT("#") + wxURI::Unescape(m_fragment); |
| | 254 | |
| | 255 | return ret; |
| | 256 | } |
| | 257 | |
| | 258 | // --------------------------------------------------------------------------- |
| | 259 | // Assignment |
| | 260 | // --------------------------------------------------------------------------- |
| | 261 | |
| | 262 | wxURI& wxURI::Assign(const wxURI& uri) |
| | 263 | { |
| | 264 | //assign fields |
| | 265 | m_fields = uri.m_fields; |
| | 266 | |
| | 267 | //ref over components |
| | 268 | m_scheme = uri.m_scheme; |
| | 269 | m_userinfo = uri.m_userinfo; |
| | 270 | m_server = uri.m_server; |
| | 271 | m_hostType = uri.m_hostType; |
| | 272 | m_port = uri.m_port; |
| | 273 | m_path = uri.m_path; |
| | 274 | m_query = uri.m_query; |
| | 275 | m_fragment = uri.m_fragment; |
| | 276 | |
| | 277 | return *this; |
| | 278 | } |
| | 279 | |
| | 280 | wxURI& wxURI::operator = (const wxURI& uri) |
| | 281 | { |
| | 282 | return Assign(uri); |
| | 283 | } |
| | 284 | |
| | 285 | wxURI& wxURI::operator = (const wxString& string) |
| | 286 | { |
| | 287 | Create(string); |
| | 288 | return *this; |
| | 289 | } |
| | 290 | |
| | 291 | // --------------------------------------------------------------------------- |
| | 292 | // Comparison |
| | 293 | // --------------------------------------------------------------------------- |
| | 294 | |
| | 295 | bool wxURI::operator == (const wxURI& uri) const |
| | 296 | { |
| | 297 | if (HasScheme()) |
| | 298 | { |
| | 299 | if(m_scheme != uri.m_scheme) |
| | 300 | return false; |
| | 301 | } |
| | 302 | else if (uri.HasScheme()) |
| | 303 | return false; |
| | 304 | |
| | 305 | |
| | 306 | if (HasServer()) |
| | 307 | { |
| | 308 | if (HasUserInfo()) |
| | 309 | { |
| | 310 | if (m_userinfo != uri.m_userinfo) |
| | 311 | return false; |
| | 312 | } |
| | 313 | else if (uri.HasUserInfo()) |
| | 314 | return false; |
| | 315 | |
| | 316 | if (m_server != uri.m_server || |
| | 317 | m_hostType != uri.m_hostType) |
| | 318 | return false; |
| | 319 | |
| | 320 | if (HasPort()) |
| | 321 | { |
| | 322 | if(m_port != uri.m_port) |
| | 323 | return false; |
| | 324 | } |
| | 325 | else if (uri.HasPort()) |
| | 326 | return false; |
| | 327 | } |
| | 328 | else if (uri.HasServer()) |
| | 329 | return false; |
| | 330 | |
| | 331 | |
| | 332 | if (HasPath()) |
| | 333 | { |
| | 334 | if(m_path != uri.m_path) |
| | 335 | return false; |
| | 336 | } |
| | 337 | else if (uri.HasPath()) |
| | 338 | return false; |
| | 339 | |
| | 340 | if (HasQuery()) |
| | 341 | { |
| | 342 | if (m_query != uri.m_query) |
| | 343 | return false; |
| | 344 | } |
| | 345 | else if (uri.HasQuery()) |
| | 346 | return false; |
| | 347 | |
| | 348 | if (HasFragment()) |
| | 349 | { |
| | 350 | if (m_fragment != uri.m_fragment) |
| | 351 | return false; |
| | 352 | } |
| | 353 | else if (uri.HasFragment()) |
| | 354 | return false; |
| | 355 | |
| | 356 | return true; |
| | 357 | } |
| | 358 | |
| | 359 | // --------------------------------------------------------------------------- |
| | 360 | // IsReference |
| | 361 | // |
| | 362 | // if there is no authority or scheme, it is a reference |
| | 363 | // --------------------------------------------------------------------------- |
| | 364 | |
| | 365 | bool wxURI::IsReference() const |
| | 366 | { return !HasScheme() || !HasServer(); } |
| | 367 | |
| | 368 | // --------------------------------------------------------------------------- |
| | 369 | // Parse |
| | 370 | // |
| | 371 | // Master URI parsing method. Just calls the individual parsing methods |
| | 372 | // |
| | 373 | // URI = scheme ":" hier-part [ "?" query ] [ "#" fragment ] |
| | 374 | // URI-reference = URI / relative |
| | 375 | // --------------------------------------------------------------------------- |
| | 376 | |
| | 377 | const wxChar* wxURI::Parse(const wxChar* uri) |
| | 378 | { |
| | 379 | uri = ParseScheme(uri); |
| | 380 | uri = ParseAuthority(uri); |
| | 381 | uri = ParsePath(uri); |
| | 382 | uri = ParseQuery(uri); |
| | 383 | return ParseFragment(uri); |
| | 384 | } |
| | 385 | |
| | 386 | // --------------------------------------------------------------------------- |
| | 387 | // ParseXXX |
| | 388 | // |
| | 389 | // Individual parsers for each URI component |
| | 390 | // --------------------------------------------------------------------------- |
| | 391 | |
| | 392 | const wxChar* wxURI::ParseScheme(const wxChar* uri) |
| | 393 | { |
| | 394 | wxASSERT(uri != NULL); |
| | 395 | |
| | 396 | //copy of the uri - used for figuring out |
| | 397 | //length of each component |
| | 398 | const wxChar* uricopy = uri; |
| | 399 | |
| | 400 | //Does the uri have a scheme (first character alpha)? |
| | 401 | if (IsAlpha(*uri)) |
| | 402 | { |
| | 403 | m_scheme += *uri++; |
| | 404 | |
| | 405 | //scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." ) |
| | 406 | while (IsAlpha(*uri) || IsDigit(*uri) || |
| | 407 | *uri == wxT('+') || |
| | 408 | *uri == wxT('-') || |
| | 409 | *uri == wxT('.')) |
| | 410 | { |
| | 411 | m_scheme += *uri++; |
| | 412 | } |
| | 413 | |
| | 414 | //valid scheme? |
| | 415 | if (*uri == wxT(':')) |
| | 416 | { |
| | 417 | //mark the scheme as valid |
| | 418 | m_fields |= wxURI_SCHEME; |
| | 419 | |
| | 420 | //move reference point up to input buffer |
| | 421 | uricopy = ++uri; |
| | 422 | } |
| | 423 | else |
| | 424 | //relative uri with relative path reference |
| | 425 | m_scheme = wxEmptyString; |
| | 426 | } |
| | 427 | // else |
| | 428 | //relative uri with _possible_ relative path reference |
| | 429 | |
| | 430 | return uricopy; |
| | 431 | } |
| | 432 | |
| | 433 | const wxChar* wxURI::ParseAuthority(const wxChar* uri) |
| | 434 | { |
| | 435 | // authority = [ userinfo "@" ] host [ ":" port ] |
| | 436 | if (*uri == wxT('/') && *(uri+1) == wxT('/')) |
| | 437 | { |
| | 438 | //skip past the two slashes |
| | 439 | uri += 2; |
| | 440 | |
| | 441 | // ############# DEVIATION FROM RFC ######################### |
| | 442 | // Don't parse the server component for file URIs |
| | 443 | if(m_scheme != wxT("file")) |
| | 444 | { |
| | 445 | //normal way |
| | 446 | uri = ParseUserInfo(uri); |
| | 447 | uri = ParseServer(uri); |
| | 448 | return ParsePort(uri); |
| | 449 | } |
| | 450 | } |
| | 451 | |
| | 452 | return uri; |
| | 453 | } |
| | 454 | |
| | 455 | const wxChar* wxURI::ParseUserInfo(const wxChar* uri) |
| | 456 | { |
| | 457 | wxASSERT(uri != NULL); |
| | 458 | |
| | 459 | //copy of the uri - used for figuring out |
| | 460 | //length of each component |
| | 461 | const wxChar* uricopy = uri; |
| | 462 | |
| | 463 | // userinfo = *( unreserved / pct-encoded / sub-delims / ":" ) |
| | 464 | while(*uri && *uri != wxT('@') && *uri != wxT('/') && *uri != wxT('#') && *uri != wxT('?')) |
| | 465 | { |
| | 466 | if(IsUnreserved(*uri) || |
| | 467 | IsSubDelim(*uri) || *uri == wxT(':')) |
| | 468 | m_userinfo += *uri++; |
| | 469 | else if (IsEscape(uri)) |
| | 470 | { |
| | 471 | m_userinfo += *uri++; |
| | 472 | m_userinfo += *uri++; |
| | 473 | m_userinfo += *uri++; |
| | 474 | } |
| | 475 | else |
| | 476 | Escape(m_userinfo, *uri++); |
| | 477 | } |
| | 478 | |
| | 479 | if(*uri == wxT('@')) |
| | 480 | { |
| | 481 | //valid userinfo |
| | 482 | m_fields |= wxURI_USERINFO; |
| | 483 | |
| | 484 | uricopy = ++uri; |
| | 485 | } |
| | 486 | else |
| | 487 | m_userinfo = wxEmptyString; |
| | 488 | |
| | 489 | return uricopy; |
| | 490 | } |
| | 491 | |
| | 492 | const wxChar* wxURI::ParseServer(const wxChar* uri) |
| | 493 | { |
| | 494 | wxASSERT(uri != NULL); |
| | 495 | |
| | 496 | //copy of the uri - used for figuring out |
| | 497 | //length of each component |
| | 498 | const wxChar* uricopy = uri; |
| | 499 | |
| | 500 | // host = IP-literal / IPv4address / reg-name |
| | 501 | // IP-literal = "[" ( IPv6address / IPvFuture ) "]" |
| | 502 | if (*uri == wxT('[')) |
| | 503 | { |
| | 504 | ++uri; //some compilers don't support *&ing a ++* |
| | 505 | if (ParseIPv6address(uri) && *uri == wxT(']')) |
| | 506 | { |
| | 507 | ++uri; |
| | 508 | m_hostType = wxURI_IPV6ADDRESS; |
| | 509 | |
| | 510 | wxStringBufferLength theBuffer(m_server, uri - uricopy); |
| | 511 | wxTmemcpy(theBuffer, uricopy, uri-uricopy); |
| | 512 | theBuffer.SetLength(uri-uricopy); |
| | 513 | } |
| | 514 | else |
| | 515 | { |
| | 516 | uri = uricopy; |
| | 517 | |
| | 518 | ++uri; //some compilers don't support *&ing a ++* |
| | 519 | if (ParseIPvFuture(uri) && *uri == wxT(']')) |
| | 520 | { |
| | 521 | ++uri; |
| | 522 | m_hostType = wxURI_IPVFUTURE; |
| | 523 | |
| | 524 | wxStringBufferLength theBuffer(m_server, uri - uricopy); |
| | 525 | wxTmemcpy(theBuffer, uricopy, uri-uricopy); |
| | 526 | theBuffer.SetLength(uri-uricopy); |
| | 527 | } |
| | 528 | else |
| | 529 | uri = uricopy; |
| | 530 | } |
| | 531 | } |
| | 532 | else |
| | 533 | { |
| | 534 | if (ParseIPv4address(uri)) |
| | 535 | { |
| | 536 | m_hostType = wxURI_IPV4ADDRESS; |
| | 537 | |
| | 538 | wxStringBufferLength theBuffer(m_server, uri - uricopy); |
| | 539 | wxTmemcpy(theBuffer, uricopy, uri-uricopy); |
| | 540 | theBuffer.SetLength(uri-uricopy); |
| | 541 | } |
| | 542 | else |
| | 543 | uri = uricopy; |
| | 544 | } |
| | 545 | |
| | 546 | if(m_hostType == wxURI_REGNAME) |
| | 547 | { |
| | 548 | uri = uricopy; |
| | 549 | // reg-name = *( unreserved / pct-encoded / sub-delims ) |
| | 550 | while(*uri && *uri != wxT('/') && *uri != wxT(':') && *uri != wxT('#') && *uri != wxT('?')) |
| | 551 | { |
| | 552 | if(IsUnreserved(*uri) || IsSubDelim(*uri)) |
| | 553 | m_server += *uri++; |
| | 554 | else if (IsEscape(uri)) |
| | 555 | { |
| | 556 | m_server += *uri++; |
| | 557 | m_server += *uri++; |
| | 558 | m_server += *uri++; |
| | 559 | } |
| | 560 | else |
| | 561 | Escape(m_server, *uri++); |
| | 562 | } |
| | 563 | } |
| | 564 | |
| | 565 | //mark the server as valid |
| | 566 | m_fields |= wxURI_SERVER; |
| | 567 | |
| | 568 | return uri; |
| | 569 | } |
| | 570 | |
| | 571 | |
| | 572 | const wxChar* wxURI::ParsePort(const wxChar* uri) |
| | 573 | { |
| | 574 | wxASSERT(uri != NULL); |
| | 575 | |
| | 576 | // port = *DIGIT |
| | 577 | if(*uri == wxT(':')) |
| | 578 | { |
| | 579 | ++uri; |
| | 580 | while(IsDigit(*uri)) |
| | 581 | { |
| | 582 | m_port += *uri++; |
| | 583 | } |
| | 584 | |
| | 585 | //mark the port as valid |
| | 586 | m_fields |= wxURI_PORT; |
| | 587 | } |
| | 588 | |
| | 589 | return uri; |
| | 590 | } |
| | 591 | |
| | 592 | const wxChar* wxURI::ParsePath(const wxChar* uri, bool bReference, bool bNormalize) |
| | 593 | { |
| | 594 | wxASSERT(uri != NULL); |
| | 595 | |
| | 596 | //copy of the uri - used for figuring out |
| | 597 | //length of each component |
| | 598 | const wxChar* uricopy = uri; |
| | 599 | |
| | 600 | /// hier-part = "//" authority path-abempty |
| | 601 | /// / path-absolute |
| | 602 | /// / path-rootless |
| | 603 | /// / path-empty |
| | 604 | /// |
| | 605 | /// relative-part = "//" authority path-abempty |
| | 606 | /// / path-absolute |
| | 607 | /// / path-noscheme |
| | 608 | /// / path-empty |
| | 609 | /// |
| | 610 | /// path-abempty = *( "/" segment ) |
| | 611 | /// path-absolute = "/" [ segment-nz *( "/" segment ) ] |
| | 612 | /// path-noscheme = segment-nz-nc *( "/" segment ) |
| | 613 | /// path-rootless = segment-nz *( "/" segment ) |
| | 614 | /// path-empty = 0<pchar> |
| | 615 | /// |
| | 616 | /// segment = *pchar |
| | 617 | /// segment-nz = 1*pchar |
| | 618 | /// segment-nz-nc = 1*( unreserved / pct-encoded / sub-delims / "@" ) |
| | 619 | /// ; non-zero-length segment without any colon ":" |
| | 620 | /// |
| | 621 | /// pchar = unreserved / pct-encoded / sub-delims / ":" / "@" |
| | 622 | if (*uri == wxT('/')) |
| | 623 | { |
| | 624 | m_path += *uri++; |
| | 625 | |
| | 626 | while(*uri && *uri != wxT('#') && *uri != wxT('?')) |
| | 627 | { |
| | 628 | if( IsUnreserved(*uri) || IsSubDelim(*uri) || |
| | 629 | *uri == wxT(':') || *uri == wxT('@') || *uri == wxT('/')) |
| | 630 | m_path += *uri++; |
| | 631 | else if (IsEscape(uri)) |
| | 632 | { |
| | 633 | m_path += *uri++; |
| | 634 | m_path += *uri++; |
| | 635 | m_path += *uri++; |
| | 636 | } |
| | 637 | else |
| | 638 | Escape(m_path, *uri++); |
| | 639 | } |
| | 640 | |
| | 641 | if (bNormalize) |
| | 642 | { |
| | 643 | wxStringBufferLength theBuffer(m_path, m_path.length() + 1); |
| | 644 | #if wxUSE_STL || wxUSE_UNICODE_UTF8 |
| | 645 | // FIXME-UTF8: have some wxReadWriteStringBuffer instead? |
| | 646 | wxTmemcpy(theBuffer, m_path.c_str(), m_path.length()+1); |
| | 647 | #endif |
| | 648 | Normalize(theBuffer, true); |
| | 649 | theBuffer.SetLength(wxStrlen(theBuffer)); |
| | 650 | } |
| | 651 | //mark the path as valid |
| | 652 | m_fields |= wxURI_PATH; |
| | 653 | } |
| | 654 | else if(*uri) //Relative path |
| | 655 | { |
| | 656 | if (bReference) |
| | 657 | { |
| | 658 | //no colon allowed |
| | 659 | while(*uri && *uri != wxT('#') && *uri != wxT('?')) |
| | 660 | { |
| | 661 | if(IsUnreserved(*uri) || IsSubDelim(*uri) || |
| | 662 | *uri == wxT('@') || *uri == wxT('/')) |
| | 663 | m_path += *uri++; |
| | 664 | else if (IsEscape(uri)) |
| | 665 | { |
| | 666 | m_path += *uri++; |
| | 667 | m_path += *uri++; |
| | 668 | m_path += *uri++; |
| | 669 | } |
| | 670 | else |
| | 671 | Escape(m_path, *uri++); |
| | 672 | } |
| | 673 | } |
| | 674 | else |
| | 675 | { |
| | 676 | while(*uri && *uri != wxT('#') && *uri != wxT('?')) |
| | 677 | { |
| | 678 | if(IsUnreserved(*uri) || IsSubDelim(*uri) || |
| | 679 | *uri == wxT(':') || *uri == wxT('@') || *uri == wxT('/')) |
| | 680 | m_path += *uri++; |
| | 681 | else if (IsEscape(uri)) |
| | 682 | { |
| | 683 | m_path += *uri++; |
| | 684 | m_path += *uri++; |
| | 685 | m_path += *uri++; |
| | 686 | } |
| | 687 | else |
| | 688 | Escape(m_path, *uri++); |
| | 689 | } |
| | 690 | } |
| | 691 | |
| | 692 | if (uri != uricopy) |
| | 693 | { |
| | 694 | if (bNormalize) |
| | 695 | { |
| | 696 | wxStringBufferLength theBuffer(m_path, m_path.length() + 1); |
| | 697 | #if wxUSE_STL || wxUSE_UNICODE_UTF8 |
| | 698 | // FIXME-UTF8: have some wxReadWriteStringBuffer instead? |
| | 699 | wxTmemcpy(theBuffer, m_path.c_str(), m_path.length()+1); |
| | 700 | #endif |
| | 701 | Normalize(theBuffer); |
| | 702 | theBuffer.SetLength(wxStrlen(theBuffer)); |
| | 703 | } |
| | 704 | |
| | 705 | //mark the path as valid |
| | 706 | m_fields |= wxURI_PATH; |
| | 707 | } |
| | 708 | } |
| | 709 | |
| | 710 | return uri; |
| | 711 | } |
| | 712 | |
| | 713 | |
| | 714 | const wxChar* wxURI::ParseQuery(const wxChar* uri) |
| | 715 | { |
| | 716 | wxASSERT(uri != NULL); |
| | 717 | |
| | 718 | // query = *( pchar / "/" / "?" ) |
| | 719 | if (*uri == wxT('?')) |
| | 720 | { |
| | 721 | ++uri; |
| | 722 | while(*uri && *uri != wxT('#')) |
| | 723 | { |
| | 724 | if (IsUnreserved(*uri) || IsSubDelim(*uri) || |
| | 725 | *uri == wxT(':') || *uri == wxT('@') || *uri == wxT('/') || *uri == wxT('?')) |
| | 726 | m_query += *uri++; |
| | 727 | else if (IsEscape(uri)) |
| | 728 | { |
| | 729 | m_query += *uri++; |
| | 730 | m_query += *uri++; |
| | 731 | m_query += *uri++; |
| | 732 | } |
| | 733 | else |
| | 734 | Escape(m_query, *uri++); |
| | 735 | } |
| | 736 | |
| | 737 | //mark the server as valid |
| | 738 | m_fields |= wxURI_QUERY; |
| | 739 | } |
| | 740 | |
| | 741 | return uri; |
| | 742 | } |
| | 743 | |
| | 744 | |
| | 745 | const wxChar* wxURI::ParseFragment(const wxChar* uri) |
| | 746 | { |
| | 747 | wxASSERT(uri != NULL); |
| | 748 | |
| | 749 | // fragment = *( pchar / "/" / "?" ) |
| | 750 | if (*uri == wxT('#')) |
| | 751 | { |
| | 752 | ++uri; |
| | 753 | while(*uri) |
| | 754 | { |
| | 755 | if (IsUnreserved(*uri) || IsSubDelim(*uri) || |
| | 756 | *uri == wxT(':') || *uri == wxT('@') || *uri == wxT('/') || *uri == wxT('?')) |
| | 757 | m_fragment += *uri++; |
| | 758 | else if (IsEscape(uri)) |
| | 759 | { |
| | 760 | m_fragment += *uri++; |
| | 761 | m_fragment += *uri++; |
| | 762 | m_fragment += *uri++; |
| | 763 | } |
| | 764 | else |
| | 765 | Escape(m_fragment, *uri++); |
| | 766 | } |
| | 767 | |
| | 768 | //mark the server as valid |
| | 769 | m_fields |= wxURI_FRAGMENT; |
| | 770 | } |
| | 771 | |
| | 772 | return uri; |
| | 773 | } |
| | 774 | |
| | 775 | // --------------------------------------------------------------------------- |
| | 776 | // Resolve |
| | 777 | // |
| | 778 | // Builds missing components of this uri from a base uri |
| | 779 | // |
| | 780 | // A version of the algorithm outlined in the RFC is used here |
| | 781 | // (it is shown in comments) |
| | 782 | // |
| | 783 | // Note that an empty URI inherits all components |
| | 784 | // --------------------------------------------------------------------------- |
| | 785 | |
| | 786 | void wxURI::Resolve(const wxURI& base, int flags) |
| | 787 | { |
| | 788 | wxASSERT_MSG(!base.IsReference(), |
| | 789 | wxT("wxURI to inherit from must not be a reference!")); |
| | 790 | |
| | 791 | // If we arn't being strict, enable the older (pre-RFC2396) |
| | 792 | // loophole that allows this uri to inherit other |
| | 793 | // properties from the base uri - even if the scheme |
| | 794 | // is defined |
| | 795 | if ( !(flags & wxURI_STRICT) && |
| | 796 | HasScheme() && base.HasScheme() && |
| | 797 | m_scheme == base.m_scheme ) |
| | 798 | { |
| | 799 | m_fields -= wxURI_SCHEME; |
| | 800 | } |
| | 801 | |
| | 802 | |
| | 803 | // Do nothing if this is an absolute wxURI |
| | 804 | // if defined(R.scheme) then |
| | 805 | // T.scheme = R.scheme; |
| | 806 | // T.authority = R.authority; |
| | 807 | // T.path = remove_dot_segments(R.path); |
| | 808 | // T.query = R.query; |
| | 809 | if (HasScheme()) |
| | 810 | { |
| | 811 | return; |
| | 812 | } |
| | 813 | |
| | 814 | //No scheme - inherit |
| | 815 | m_scheme = base.m_scheme; |
| | 816 | m_fields |= wxURI_SCHEME; |
| | 817 | |
| | 818 | // All we need to do for relative URIs with an |
| | 819 | // authority component is just inherit the scheme |
| | 820 | // if defined(R.authority) then |
| | 821 | // T.authority = R.authority; |
| | 822 | // T.path = remove_dot_segments(R.path); |
| | 823 | // T.query = R.query; |
| | 824 | if (HasServer()) |
| | 825 | { |
| | 826 | return; |
| | 827 | } |
| | 828 | |
| | 829 | //No authority - inherit |
| | 830 | if (base.HasUserInfo()) |
| | 831 | { |
| | 832 | m_userinfo = base.m_userinfo; |
| | 833 | m_fields |= wxURI_USERINFO; |
| | 834 | } |
| | 835 | |
| | 836 | m_server = base.m_server; |
| | 837 | m_hostType = base.m_hostType; |
| | 838 | m_fields |= wxURI_SERVER; |
| | 839 | |
| | 840 | if (base.HasPort()) |
| | 841 | { |
| | 842 | m_port = base.m_port; |
| | 843 | m_fields |= wxURI_PORT; |
| | 844 | } |
| | 845 | |
| | 846 | |
| | 847 | // Simple path inheritance from base |
| | 848 | if (!HasPath()) |
| | 849 | { |
| | 850 | // T.path = Base.path; |
| | 851 | m_path = base.m_path; |
| | 852 | m_fields |= wxURI_PATH; |
| | 853 | |
| | 854 | |
| | 855 | // if defined(R.query) then |
| | 856 | // T.query = R.query; |
| | 857 | // else |
| | 858 | // T.query = Base.query; |
| | 859 | // endif; |
| | 860 | if (!HasQuery()) |
| | 861 | { |
| | 862 | m_query = base.m_query; |
| | 863 | m_fields |= wxURI_QUERY; |
| | 864 | } |
| | 865 | } |
| | 866 | else |
| | 867 | { |
| | 868 | // if (R.path starts-with "/") then |
| | 869 | // T.path = remove_dot_segments(R.path); |
| | 870 | // else |
| | 871 | // T.path = merge(Base.path, R.path); |
| | 872 | // T.path = remove_dot_segments(T.path); |
| | 873 | // endif; |
| | 874 | // T.query = R.query; |
| | 875 | if (m_path[0u] != wxT('/')) |
| | 876 | { |
| | 877 | //Merge paths |
| | 878 | wxString::const_iterator op = m_path.begin(); |
| | 879 | wxString::const_iterator bp = base.m_path.begin() + base.m_path.length(); |
| | 880 | |
| | 881 | //not a ending directory? move up |
| | 882 | if (base.m_path[0] && *(bp-1) != wxT('/')) |
| | 883 | UpTree(base.m_path.begin(), bp); |
| | 884 | |
| | 885 | //normalize directories |
| | 886 | while(*op == wxT('.') && *(op+1) == wxT('.') && |
| | 887 | (*(op+2) == '\0' || *(op+2) == wxT('/')) ) |
| | 888 | { |
| | 889 | UpTree(base.m_path.begin(), bp); |
| | 890 | |
| | 891 | if (*(op+2) == '\0') |
| | 892 | op += 2; |
| | 893 | else |
| | 894 | op += 3; |
| | 895 | } |
| | 896 | |
| | 897 | m_path = base.m_path.substr(0, bp - base.m_path.begin()) + |
| | 898 | m_path.substr((op - m_path.begin()), m_path.length()); |
| | 899 | } |
| | 900 | } |
| | 901 | |
| | 902 | //T.fragment = R.fragment; |
| | 903 | } |
| | 904 | |
| | 905 | // --------------------------------------------------------------------------- |
| | 906 | // UpTree |
| | 907 | // |
| | 908 | // Moves a URI path up a directory |
| | 909 | // --------------------------------------------------------------------------- |
| | 910 | |
| | 911 | //static |
| | 912 | void wxURI::UpTree(wxString::const_iterator uristart, |
| | 913 | wxString::const_iterator& uri) |
| | 914 | { |
| | 915 | if (uri != uristart && *(uri-1) == wxT('/')) |
| | 916 | { |
| | 917 | uri -= 2; |
| | 918 | } |
| | 919 | |
| | 920 | for(;uri != uristart; --uri) |
| | 921 | { |
| | 922 | if (*uri == wxT('/')) |
| | 923 | { |
| | 924 | ++uri; |
| | 925 | break; |
| | 926 | } |
| | 927 | } |
| | 928 | |
| | 929 | //!!!TODO:HACK!!!// |
| | 930 | if (uri == uristart && *uri == wxT('/')) |
| | 931 | ++uri; |
| | 932 | //!!!// |
| | 933 | } |
| | 934 | |
| | 935 | // FIXME-UTF8: fix Normalize() to use iterators instead of having this method! |
| | 936 | /*static*/ void wxURI::UpTree(const wxChar* uristart, const wxChar*& uri) |
| | 937 | { |
| | 938 | if (uri != uristart && *(uri-1) == wxT('/')) |
| | 939 | { |
| | 940 | uri -= 2; |
| | 941 | } |
| | 942 | |
| | 943 | for(;uri != uristart; --uri) |
| | 944 | { |
| | 945 | if (*uri == wxT('/')) |
| | 946 | { |
| | 947 | ++uri; |
| | 948 | break; |
| | 949 | } |
| | 950 | } |
| | 951 | |
| | 952 | //!!!TODO:HACK!!!// |
| | 953 | if (uri == uristart && *uri == wxT('/')) |
| | 954 | ++uri; |
| | 955 | //!!!// |
| | 956 | } |
| | 957 | // end of FIXME-UTF8 |
| | 958 | |
| | 959 | // --------------------------------------------------------------------------- |
| | 960 | // Normalize |
| | 961 | // |
| | 962 | // Normalizes directories in-place |
| | 963 | // |
| | 964 | // I.E. ./ and . are ignored |
| | 965 | // |
| | 966 | // ../ and .. are removed if a directory is before it, along |
| | 967 | // with that directory (leading .. and ../ are kept) |
| | 968 | // --------------------------------------------------------------------------- |
| | 969 | |
| | 970 | //static |
| | 971 | void wxURI::Normalize(wxChar* s, bool bIgnoreLeads) |
| | 972 | { |
| | 973 | wxChar* cp = s; |
| | 974 | wxChar* bp = s; |
| | 975 | |
| | 976 | if(s[0] == wxT('/')) |
| | 977 | ++bp; |
| | 978 | |
| | 979 | while(*cp) |
| | 980 | { |
| | 981 | if (*cp == wxT('.') && (*(cp+1) == wxT('/') || *(cp+1) == '\0') |
| | 982 | && (bp == cp || *(cp-1) == wxT('/'))) |
| | 983 | { |
| | 984 | //. _or_ ./ - ignore |
| | 985 | if (*(cp+1) == '\0') |
| | 986 | cp += 1; |
| | 987 | else |
| | 988 | cp += 2; |
| | 989 | } |
| | 990 | else if (*cp == wxT('.') && *(cp+1) == wxT('.') && |
| | 991 | (*(cp+2) == wxT('/') || *(cp+2) == '\0') |
| | 992 | && (bp == cp || *(cp-1) == wxT('/'))) |
| | 993 | { |
| | 994 | //.. _or_ ../ - go up the tree |
| | 995 | if (s != bp) |
| | 996 | { |
| | 997 | UpTree((const wxChar*)bp, (const wxChar*&)s); |
| | 998 | |
| | 999 | if (*(cp+2) == '\0') |
| | 1000 | cp += 2; |
| | 1001 | else |
| | 1002 | cp += 3; |
| | 1003 | } |
| | 1004 | else if (!bIgnoreLeads) |
| | 1005 | |
| | 1006 | { |
| | 1007 | *bp++ = *cp++; |
| | 1008 | *bp++ = *cp++; |
| | 1009 | if (*cp) |
| | 1010 | *bp++ = *cp++; |
| | 1011 | |
| | 1012 | s = bp; |
| | 1013 | } |
| | 1014 | else |
| | 1015 | { |
| | 1016 | if (*(cp+2) == '\0') |
| | 1017 | cp += 2; |
| | 1018 | else |
| | 1019 | cp += 3; |
| | 1020 | } |
| | 1021 | } |
| | 1022 | else |
| | 1023 | *s++ = *cp++; |
| | 1024 | } |
| | 1025 | |
| | 1026 | *s = '\0'; |
| | 1027 | } |
| | 1028 | |
| | 1029 | // --------------------------------------------------------------------------- |
| | 1030 | // ParseH16 |
| | 1031 | // |
| | 1032 | // Parses 1 to 4 hex values. Returns true if the first character of the input |
| | 1033 | // string is a valid hex character. It is the caller's responsability to move |
| | 1034 | // the input string back to its original position on failure. |
| | 1035 | // --------------------------------------------------------------------------- |
| | 1036 | |
| | 1037 | bool wxURI::ParseH16(const wxChar*& uri) |
| | 1038 | { |
| | 1039 | // h16 = 1*4HEXDIG |
| | 1040 | if(!IsHex(*++uri)) |
| | 1041 | return false; |
| | 1042 | |
| | 1043 | if(IsHex(*++uri) && IsHex(*++uri) && IsHex(*++uri)) |
| | 1044 | ++uri; |
| | 1045 | |
| | 1046 | return true; |
| | 1047 | } |
| | 1048 | |
| | 1049 | // --------------------------------------------------------------------------- |
| | 1050 | // ParseIPXXX |
| | 1051 | // |
| | 1052 | // Parses a certain version of an IP address and moves the input string past |
| | 1053 | // it. Returns true if the input string contains the proper version of an ip |
| | 1054 | // address. It is the caller's responsability to move the input string back |
| | 1055 | // to its original position on failure. |
| | 1056 | // --------------------------------------------------------------------------- |
| | 1057 | |
| | 1058 | bool wxURI::ParseIPv4address(const wxChar*& uri) |
| | 1059 | { |
| | 1060 | //IPv4address = dec-octet "." dec-octet "." dec-octet "." dec-octet |
| | 1061 | // |
| | 1062 | //dec-octet = DIGIT ; 0-9 |
| | 1063 | // / %x31-39 DIGIT ; 10-99 |
| | 1064 | // / "1" 2DIGIT ; 100-199 |
| | 1065 | // / "2" %x30-34 DIGIT ; 200-249 |
| | 1066 | // / "25" %x30-35 ; 250-255 |
| | 1067 | size_t iIPv4 = 0; |
| | 1068 | if (IsDigit(*uri)) |
| | 1069 | { |
| | 1070 | ++iIPv4; |
| | 1071 | |
| | 1072 | |
| | 1073 | //each ip part must be between 0-255 (dupe of version in for loop) |
| | 1074 | if( IsDigit(*++uri) && IsDigit(*++uri) && |
| | 1075 | //100 or less (note !) |
| | 1076 | !( (*(uri-2) < wxT('2')) || |
| | 1077 | //240 or less |
| | 1078 | (*(uri-2) == wxT('2') && |
| | 1079 | (*(uri-1) < wxT('5') || (*(uri-1) == wxT('5') && *uri <= wxT('5'))) |
| | 1080 | ) |
| | 1081 | ) |
| | 1082 | ) |
| | 1083 | { |
| | 1084 | return false; |
| | 1085 | } |
| | 1086 | |
| | 1087 | if(IsDigit(*uri))++uri; |
| | 1088 | |
| | 1089 | //compilers should unroll this loop |
| | 1090 | for(; iIPv4 < 4; ++iIPv4) |
| | 1091 | { |
| | 1092 | if (*uri != wxT('.') || !IsDigit(*++uri)) |
| | 1093 | break; |
| | 1094 | |
| | 1095 | //each ip part must be between 0-255 |
| | 1096 | if( IsDigit(*++uri) && IsDigit(*++uri) && |
| | 1097 | //100 or less (note !) |
| | 1098 | !( (*(uri-2) < wxT('2')) || |
| | 1099 | //240 or less |
| | 1100 | (*(uri-2) == wxT('2') && |
| | 1101 | (*(uri-1) < wxT('5') || (*(uri-1) == wxT('5') && *uri <= wxT('5'))) |
| | 1102 | ) |
| | 1103 | ) |
| | 1104 | ) |
| | 1105 | { |
| | 1106 | return false; |
| | 1107 | } |
| | 1108 | if(IsDigit(*uri))++uri; |
| | 1109 | } |
| | 1110 | } |
| | 1111 | return iIPv4 == 4; |
| | 1112 | } |
| | 1113 | |
| | 1114 | bool wxURI::ParseIPv6address(const wxChar*& uri) |
| | 1115 | { |
| | 1116 | // IPv6address = 6( h16 ":" ) ls32 |
| | 1117 | // / "::" 5( h16 ":" ) ls32 |
| | 1118 | // / [ h16 ] "::" 4( h16 ":" ) ls32 |
| | 1119 | // / [ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32 |
| | 1120 | // / [ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32 |
| | 1121 | // / [ *3( h16 ":" ) h16 ] "::" h16 ":" ls32 |
| | 1122 | // / [ *4( h16 ":" ) h16 ] "::" ls32 |
| | 1123 | // / [ *5( h16 ":" ) h16 ] "::" h16 |
| | 1124 | // / [ *6( h16 ":" ) h16 ] "::" |
| | 1125 | |
| | 1126 | size_t numPrefix = 0, |
| | 1127 | maxPostfix; |
| | 1128 | |
| | 1129 | bool bEndHex = false; |
| | 1130 | |
| | 1131 | for( ; numPrefix < 6; ++numPrefix) |
| | 1132 | { |
| | 1133 | if(!ParseH16(uri)) |
| | 1134 | { |
| | 1135 | --uri; |
| | 1136 | bEndHex = true; |
| | 1137 | break; |
| | 1138 | } |
| | 1139 | |
| | 1140 | if(*uri != wxT(':')) |
| | 1141 | { |
| | 1142 | break; |
| | 1143 | } |
| | 1144 | } |
| | 1145 | |
| | 1146 | if(!bEndHex && !ParseH16(uri)) |
| | 1147 | { |
| | 1148 | --uri; |
| | 1149 | |
| | 1150 | if (numPrefix) |
| | 1151 | return false; |
| | 1152 | |
| | 1153 | if (*uri == wxT(':')) |
| | 1154 | { |
| | 1155 | if (*++uri != wxT(':')) |
| | 1156 | return false; |
| | 1157 | |
| | 1158 | maxPostfix = 5; |
| | 1159 | } |
| | 1160 | else |
| | 1161 | maxPostfix = 6; |
| | 1162 | } |
| | 1163 | else |
| | 1164 | { |
| | 1165 | if (*uri != wxT(':') || *(uri+1) != wxT(':')) |
| | 1166 | { |
| | 1167 | if (numPrefix != 6) |
| | 1168 | return false; |
| | 1169 | |
| | 1170 | while (*--uri != wxT(':')) {} |
| | 1171 | ++uri; |
| | 1172 | |
| | 1173 | const wxChar* uristart = uri; |
| | 1174 | //parse ls32 |
| | 1175 | // ls32 = ( h16 ":" h16 ) / IPv4address |
| | 1176 | if (ParseH16(uri) && *uri == wxT(':') && ParseH16(uri)) |
| | 1177 | return true; |
| | 1178 | |
| | 1179 | uri = uristart; |
| | 1180 | |
| | 1181 | if (ParseIPv4address(uri)) |
| | 1182 | return true; |
| | 1183 | else |
| | 1184 | return false; |
| | 1185 | } |
| | 1186 | else |
| | 1187 | { |
| | 1188 | uri += 2; |
| | 1189 | |
| | 1190 | if (numPrefix > 3) |
| | 1191 | maxPostfix = 0; |
| | 1192 | else |
| | 1193 | maxPostfix = 4 - numPrefix; |
| | 1194 | } |
| | 1195 | } |
| | 1196 | |
| | 1197 | bool bAllowAltEnding = maxPostfix == 0; |
| | 1198 | |
| | 1199 | for(; maxPostfix != 0; --maxPostfix) |
| | 1200 | { |
| | 1201 | if(!ParseH16(uri) || *uri != wxT(':')) |
| | 1202 | return false; |
| | 1203 | } |
| | 1204 | |
| | 1205 | if(numPrefix <= 4) |
| | 1206 | { |
| | 1207 | const wxChar* uristart = uri; |
| | 1208 | //parse ls32 |
| | 1209 | // ls32 = ( h16 ":" h16 ) / IPv4address |
| | 1210 | if (ParseH16(uri) && *uri == wxT(':') && ParseH16(uri)) |
| | 1211 | return true; |
| | 1212 | |
| | 1213 | uri = uristart; |
| | 1214 | |
| | 1215 | if (ParseIPv4address(uri)) |
| | 1216 | return true; |
| | 1217 | |
| | 1218 | uri = uristart; |
| | 1219 | |
| | 1220 | if (!bAllowAltEnding) |
| | 1221 | return false; |
| | 1222 | } |
| | 1223 | |
| | 1224 | if(numPrefix <= 5 && ParseH16(uri)) |
| | 1225 | return true; |
| | 1226 | |
| | 1227 | return true; |
| | 1228 | } |
| | 1229 | |
| | 1230 | bool wxURI::ParseIPvFuture(const wxChar*& uri) |
| | 1231 | { |
| | 1232 | // IPvFuture = "v" 1*HEXDIG "." 1*( unreserved / sub-delims / ":" ) |
| | 1233 | if (*++uri != wxT('v') || !IsHex(*++uri)) |
| | 1234 | return false; |
| | 1235 | |
| | 1236 | while (IsHex(*++uri)) {} |
| | 1237 | |
| | 1238 | if (*uri != wxT('.') || !(IsUnreserved(*++uri) || IsSubDelim(*uri) || *uri == wxT(':'))) |
| | 1239 | return false; |
| | 1240 | |
| | 1241 | while(IsUnreserved(*++uri) || IsSubDelim(*uri) || *uri == wxT(':')) {} |
| | 1242 | |
| | 1243 | return true; |
| | 1244 | } |
| | 1245 | |
| | 1246 | |
| | 1247 | // --------------------------------------------------------------------------- |
| | 1248 | // CharToHex |
| | 1249 | // |
| | 1250 | // Converts a character into a numeric hexidecimal value, or 0 if the |
| | 1251 | // passed in character is not a valid hex character |
| | 1252 | // --------------------------------------------------------------------------- |
| | 1253 | |
| | 1254 | //static |
| | 1255 | wxChar wxURI::CharToHex(const wxChar& c) |
| | 1256 | { |
| | 1257 | if ((c >= wxT('A')) && (c <= wxT('Z'))) return wxChar(c - wxT('A') + 0x0A); |
| | 1258 | if ((c >= wxT('a')) && (c <= wxT('z'))) return wxChar(c - wxT('a') + 0x0a); |
| | 1259 | if ((c >= wxT('0')) && (c <= wxT('9'))) return wxChar(c - wxT('0') + 0x00); |
| | 1260 | |
| | 1261 | return 0; |
| | 1262 | } |
| | 1263 | |
| | 1264 | // --------------------------------------------------------------------------- |
| | 1265 | // IsXXX |
| | 1266 | // |
| | 1267 | // Returns true if the passed in character meets the criteria of the method |
| | 1268 | // --------------------------------------------------------------------------- |
| | 1269 | |
| | 1270 | //! unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~" |
| | 1271 | bool wxURI::IsUnreserved (const wxChar& c) |
| | 1272 | { return IsAlpha(c) || IsDigit(c) || |
| | 1273 | c == wxT('-') || |
| | 1274 | c == wxT('.') || |
| | 1275 | c == wxT('_') || |
| | 1276 | c == wxT('~') //tilde |
| | 1277 | ; |
| | 1278 | } |
| | 1279 | |
| | 1280 | bool wxURI::IsReserved (const wxChar& c) |
| | 1281 | { |
| | 1282 | return IsGenDelim(c) || IsSubDelim(c); |
| | 1283 | } |
| | 1284 | |
| | 1285 | //! gen-delims = ":" / "/" / "?" / "#" / "[" / "]" / "@" |
| | 1286 | bool wxURI::IsGenDelim (const wxChar& c) |
| | 1287 | { |
| | 1288 | return c == wxT(':') || |
| | 1289 | c == wxT('/') || |
| | 1290 | c == wxT('?') || |
| | 1291 | c == wxT('#') || |
| | 1292 | c == wxT('[') || |
| | 1293 | c == wxT(']') || |
| | 1294 | c == wxT('@'); |
| | 1295 | } |
| | 1296 | |
| | 1297 | //! sub-delims = "!" / "$" / "&" / "'" / "(" / ")" |
| | 1298 | //! / "*" / "+" / "," / ";" / "=" |
| | 1299 | bool wxURI::IsSubDelim (const wxChar& c) |
| | 1300 | { |
| | 1301 | return c == wxT('!') || |
| | 1302 | c == wxT('$') || |
| | 1303 | c == wxT('&') || |
| | 1304 | c == wxT('\'') || |
| | 1305 | c == wxT('(') || |
| | 1306 | c == wxT(')') || |
| | 1307 | c == wxT('*') || |
| | 1308 | c == wxT('+') || |
| | 1309 | c == wxT(',') || |
| | 1310 | c == wxT(';') || |
| | 1311 | c == wxT('=') |
| | 1312 | ; |
| | 1313 | } |
| | 1314 | |
| | 1315 | bool wxURI::IsHex(const wxChar& c) |
| | 1316 | { return IsDigit(c) || (c >= wxT('a') && c <= wxT('f')) || (c >= wxT('A') && c <= wxT('F')); } |
| | 1317 | |
| | 1318 | bool wxURI::IsAlpha(const wxChar& c) |
| | 1319 | { return (c >= wxT('a') && c <= wxT('z')) || (c >= wxT('A') && c <= wxT('Z')); } |
| | 1320 | |
| | 1321 | bool wxURI::IsDigit(const wxChar& c) |
| | 1322 | { return c >= wxT('0') && c <= wxT('9'); } |
| | 1323 | |
| | 1324 | |
| | 1325 | //end of uri.cpp |
| | 1326 | |
| | 1327 | |
| | 1328 | |
projects / wxWidgets.git / blame_incremental