4 * Copyright 2000 Huw D M Davies for CodeWeavers.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include "wine/unicode.h"
30 #define NO_SHLWAPI_STREAM
32 #include "wine/debug.h"
35 WINE_DEFAULT_DEBUG_CHANNEL(shell);
38 LPCWSTR pScheme; /* [out] start of scheme */
39 DWORD szScheme; /* [out] size of scheme (until colon) */
40 LPCWSTR pUserName; /* [out] start of Username */
41 DWORD szUserName; /* [out] size of Username (until ":" or "@") */
42 LPCWSTR pPassword; /* [out] start of Password */
43 DWORD szPassword; /* [out] size of Password (until "@") */
44 LPCWSTR pHostName; /* [out] start of Hostname */
45 DWORD szHostName; /* [out] size of Hostname (until ":" or "/") */
46 LPCWSTR pPort; /* [out] start of Port */
47 DWORD szPort; /* [out] size of Port (until "/" or eos) */
48 LPCWSTR pQuery; /* [out] start of Query */
49 DWORD szQuery; /* [out] size of Query (until eos) */
59 static const WCHAR fileW[] = {'f','i','l','e','\0'};
61 static const unsigned char HashDataLookup[256] = {
62 0x01, 0x0E, 0x6E, 0x19, 0x61, 0xAE, 0x84, 0x77, 0x8A, 0xAA, 0x7D, 0x76, 0x1B,
63 0xE9, 0x8C, 0x33, 0x57, 0xC5, 0xB1, 0x6B, 0xEA, 0xA9, 0x38, 0x44, 0x1E, 0x07,
64 0xAD, 0x49, 0xBC, 0x28, 0x24, 0x41, 0x31, 0xD5, 0x68, 0xBE, 0x39, 0xD3, 0x94,
65 0xDF, 0x30, 0x73, 0x0F, 0x02, 0x43, 0xBA, 0xD2, 0x1C, 0x0C, 0xB5, 0x67, 0x46,
66 0x16, 0x3A, 0x4B, 0x4E, 0xB7, 0xA7, 0xEE, 0x9D, 0x7C, 0x93, 0xAC, 0x90, 0xB0,
67 0xA1, 0x8D, 0x56, 0x3C, 0x42, 0x80, 0x53, 0x9C, 0xF1, 0x4F, 0x2E, 0xA8, 0xC6,
68 0x29, 0xFE, 0xB2, 0x55, 0xFD, 0xED, 0xFA, 0x9A, 0x85, 0x58, 0x23, 0xCE, 0x5F,
69 0x74, 0xFC, 0xC0, 0x36, 0xDD, 0x66, 0xDA, 0xFF, 0xF0, 0x52, 0x6A, 0x9E, 0xC9,
70 0x3D, 0x03, 0x59, 0x09, 0x2A, 0x9B, 0x9F, 0x5D, 0xA6, 0x50, 0x32, 0x22, 0xAF,
71 0xC3, 0x64, 0x63, 0x1A, 0x96, 0x10, 0x91, 0x04, 0x21, 0x08, 0xBD, 0x79, 0x40,
72 0x4D, 0x48, 0xD0, 0xF5, 0x82, 0x7A, 0x8F, 0x37, 0x69, 0x86, 0x1D, 0xA4, 0xB9,
73 0xC2, 0xC1, 0xEF, 0x65, 0xF2, 0x05, 0xAB, 0x7E, 0x0B, 0x4A, 0x3B, 0x89, 0xE4,
74 0x6C, 0xBF, 0xE8, 0x8B, 0x06, 0x18, 0x51, 0x14, 0x7F, 0x11, 0x5B, 0x5C, 0xFB,
75 0x97, 0xE1, 0xCF, 0x15, 0x62, 0x71, 0x70, 0x54, 0xE2, 0x12, 0xD6, 0xC7, 0xBB,
76 0x0D, 0x20, 0x5E, 0xDC, 0xE0, 0xD4, 0xF7, 0xCC, 0xC4, 0x2B, 0xF9, 0xEC, 0x2D,
77 0xF4, 0x6F, 0xB6, 0x99, 0x88, 0x81, 0x5A, 0xD9, 0xCA, 0x13, 0xA5, 0xE7, 0x47,
78 0xE6, 0x8E, 0x60, 0xE3, 0x3E, 0xB3, 0xF6, 0x72, 0xA2, 0x35, 0xA0, 0xD7, 0xCD,
79 0xB4, 0x2F, 0x6D, 0x2C, 0x26, 0x1F, 0x95, 0x87, 0x00, 0xD8, 0x34, 0x3F, 0x17,
80 0x25, 0x45, 0x27, 0x75, 0x92, 0xB8, 0xA3, 0xC8, 0xDE, 0xEB, 0xF8, 0xF3, 0xDB,
81 0x0A, 0x98, 0x83, 0x7B, 0xE5, 0xCB, 0x4C, 0x78, 0xD1 };
83 static BOOL URL_NeedEscapeA(CHAR ch, DWORD dwFlags)
89 if(dwFlags & URL_ESCAPE_SPACES_ONLY) {
96 if ((dwFlags & URL_ESCAPE_PERCENT) && (ch == '%'))
99 if (ch <= 31 || ch >= 127)
121 if (dwFlags & URL_ESCAPE_SEGMENT_ONLY) return TRUE;
128 static BOOL URL_NeedEscapeW(WCHAR ch, DWORD dwFlags)
134 if(dwFlags & URL_ESCAPE_SPACES_ONLY) {
141 if ((dwFlags & URL_ESCAPE_PERCENT) && (ch == L'%'))
144 if (ch <= 31 || ch >= 127)
166 if (dwFlags & URL_ESCAPE_SEGMENT_ONLY) return TRUE;
173 static BOOL URL_JustLocation(LPCWSTR str)
175 while(*str && (*str == L'/')) str++;
177 while (*str && ((*str == L'-') ||
179 isalnumW(*str))) str++;
180 if (*str == L'/') return FALSE;
186 /*************************************************************************
187 * UrlCanonicalizeA [SHLWAPI.@]
189 * Uses the W version to do job.
191 HRESULT WINAPI UrlCanonicalizeA(LPCSTR pszUrl, LPSTR pszCanonicalized,
192 LPDWORD pcchCanonicalized, DWORD dwFlags)
194 LPWSTR base, canonical;
195 DWORD ret, len, len2;
197 TRACE("(%s %p %p 0x%08lx) using W version\n",
198 debugstr_a(pszUrl), pszCanonicalized,
199 pcchCanonicalized, dwFlags);
201 base = (LPWSTR) HeapAlloc(GetProcessHeap(), 0,
202 (2*INTERNET_MAX_URL_LENGTH) * sizeof(WCHAR));
203 canonical = base + INTERNET_MAX_URL_LENGTH;
205 MultiByteToWideChar(0, 0, pszUrl, -1, base, INTERNET_MAX_URL_LENGTH);
206 len = INTERNET_MAX_URL_LENGTH;
208 ret = UrlCanonicalizeW(base, canonical, &len, dwFlags);
210 HeapFree(GetProcessHeap(), 0, base);
214 len2 = WideCharToMultiByte(0, 0, canonical, len, 0, 0, 0, 0);
215 if (len2 > *pcchCanonicalized) {
216 *pcchCanonicalized = len;
217 HeapFree(GetProcessHeap(), 0, base);
220 WideCharToMultiByte(0, 0, canonical, len+1, pszCanonicalized,
221 *pcchCanonicalized, 0, 0);
222 *pcchCanonicalized = len2;
223 HeapFree(GetProcessHeap(), 0, base);
227 /*************************************************************************
228 * UrlCanonicalizeW [SHLWAPI.@]
231 * MSDN is wrong (at 10/30/01 - go figure). This should support the
232 * following flags: GLA
233 * URL_DONT_ESCAPE_EXTRA_INFO 0x02000000
234 * URL_ESCAPE_SPACES_ONLY 0x04000000
235 * URL_ESCAPE_PERCENT 0x00001000
236 * URL_ESCAPE_UNSAFE 0x10000000
237 * URL_UNESCAPE 0x10000000
238 * URL_DONT_SIMPLIFY 0x08000000
239 * URL_ESCAPE_SEGMENT_ONLY 0x00002000
241 HRESULT WINAPI UrlCanonicalizeW(LPCWSTR pszUrl, LPWSTR pszCanonicalized,
242 LPDWORD pcchCanonicalized, DWORD dwFlags)
246 LPWSTR lpszUrlCpy, wk1, wk2, mp, root;
247 INT nLen, nByteLen, state;
249 TRACE("(%s %p %p 0x%08lx)\n", debugstr_w(pszUrl), pszCanonicalized,
250 pcchCanonicalized, dwFlags);
252 nByteLen = (lstrlenW(pszUrl) + 1) * sizeof(WCHAR); /* length in bytes */
253 lpszUrlCpy = HeapAlloc(GetProcessHeap(), 0, nByteLen);
255 if (dwFlags & URL_DONT_SIMPLIFY)
256 memcpy(lpszUrlCpy, pszUrl, nByteLen);
262 * 1 have 2[+] alnum 2,3
263 * 2 have scheme (found :) 4,6,3
264 * 3 failed (no location)
266 * 5 have 1[+] alnum 6,3
267 * 6 have location (found /) save root location
270 wk1 = (LPWSTR)pszUrl;
276 if (!isalnumW(*wk1)) {state = 3; break;}
278 if (!isalnumW(*wk1)) {state = 3; break;}
284 if (*wk1++ == L':') state = 2;
287 if (*wk1 != L'/') {state = 3; break;}
289 if (*wk1 != L'/') {state = 6; break;}
299 if (!isalnumW(*wk1) && (*wk1 != L'-')) {state = 3; break;}
300 while(isalnumW(*wk1) || (*wk1 == L'-')) *wk2++ = *wk1++;
304 if (*wk1 != L'/') {state = 3; break;}
309 /* Now at root location, cannot back up any more. */
310 /* "root" will point at the '/' */
313 TRACE("wk1=%c\n", (CHAR)*wk1);
314 mp = strchrW(wk1, L'/');
322 strncpyW(wk2, wk1, nLen);
326 TRACE("found '/.'\n");
327 if (*(wk1+1) == L'/') {
328 /* case of /./ -> skip the ./ */
331 else if (*(wk1+1) == L'.') {
332 /* found /.. look for next / */
333 TRACE("found '/..'\n");
334 if (*(wk1+2) == L'/') {
335 /* case /../ -> need to backup wk2 */
336 TRACE("found '/../'\n");
337 *(wk2-1) = L'\0'; /* set end of string */
338 mp = strrchrW(root, L'/');
339 if (mp && (mp >= root)) {
340 /* found valid backup point */
345 /* did not find point, restore '/' */
355 FIXME("how did we get here - state=%d\n", state);
360 TRACE("Simplified, orig <%s>, simple <%s>\n",
361 debugstr_w(pszUrl), debugstr_w(lpszUrlCpy));
364 if(dwFlags & URL_UNESCAPE)
365 UrlUnescapeW(lpszUrlCpy, NULL, NULL, URL_UNESCAPE_INPLACE);
367 if((EscapeFlags = dwFlags & (URL_ESCAPE_UNSAFE |
368 URL_ESCAPE_SPACES_ONLY |
370 URL_DONT_ESCAPE_EXTRA_INFO |
371 URL_ESCAPE_SEGMENT_ONLY ))) {
372 EscapeFlags &= ~URL_ESCAPE_UNSAFE;
373 hr = UrlEscapeW(lpszUrlCpy, pszCanonicalized, pcchCanonicalized,
375 } else { /* No escaping needed, just copy the string */
376 nLen = lstrlenW(lpszUrlCpy);
377 if(nLen < *pcchCanonicalized)
378 memcpy(pszCanonicalized, lpszUrlCpy, (nLen + 1)*sizeof(WCHAR));
383 *pcchCanonicalized = nLen;
386 HeapFree(GetProcessHeap(), 0, lpszUrlCpy);
389 TRACE("result %s\n", debugstr_w(pszCanonicalized));
394 /*************************************************************************
395 * UrlCombineA [SHLWAPI.@]
397 * Uses the W version to do job.
399 HRESULT WINAPI UrlCombineA(LPCSTR pszBase, LPCSTR pszRelative,
400 LPSTR pszCombined, LPDWORD pcchCombined,
403 LPWSTR base, relative, combined;
404 DWORD ret, len, len2;
406 TRACE("(base %s, Relative %s, Combine size %ld, flags %08lx) using W version\n",
407 debugstr_a(pszBase),debugstr_a(pszRelative),
408 *pcchCombined,dwFlags);
410 base = (LPWSTR) HeapAlloc(GetProcessHeap(), 0,
411 (3*INTERNET_MAX_URL_LENGTH) * sizeof(WCHAR));
412 relative = base + INTERNET_MAX_URL_LENGTH;
413 combined = relative + INTERNET_MAX_URL_LENGTH;
415 MultiByteToWideChar(0, 0, pszBase, -1, base, INTERNET_MAX_URL_LENGTH);
416 MultiByteToWideChar(0, 0, pszRelative, -1, relative, INTERNET_MAX_URL_LENGTH);
417 len = INTERNET_MAX_URL_LENGTH;
419 ret = UrlCombineW(base, relative, combined, &len, dwFlags);
421 HeapFree(GetProcessHeap(), 0, base);
425 len2 = WideCharToMultiByte(0, 0, combined, len, 0, 0, 0, 0);
426 if (len2 > *pcchCombined) {
427 *pcchCombined = len2;
428 HeapFree(GetProcessHeap(), 0, base);
431 WideCharToMultiByte(0, 0, combined, len+1, pszCombined, *pcchCombined,
433 *pcchCombined = len2;
434 HeapFree(GetProcessHeap(), 0, base);
438 /*************************************************************************
439 * UrlCombineW [SHLWAPI.@]
441 HRESULT WINAPI UrlCombineW(LPCWSTR pszBase, LPCWSTR pszRelative,
442 LPWSTR pszCombined, LPDWORD pcchCombined,
445 UNKNOWN_SHLWAPI_2 base, relative;
446 DWORD myflags, sizeloc = 0;
447 DWORD len, res1, res2, process_case = 0;
448 LPWSTR work, preliminary, mbase, mrelative;
449 WCHAR myfilestr[] = {'f','i','l','e',':','/','/','/','\0'};
450 WCHAR single_slash[] = {'/','\0'};
453 TRACE("(base %s, Relative %s, Combine size %ld, flags %08lx)\n",
454 debugstr_w(pszBase),debugstr_w(pszRelative),
455 *pcchCombined,dwFlags);
460 /* Get space for duplicates of the input and the output */
461 preliminary = HeapAlloc(GetProcessHeap(), 0, (3*INTERNET_MAX_URL_LENGTH) *
463 mbase = preliminary + INTERNET_MAX_URL_LENGTH;
464 mrelative = mbase + INTERNET_MAX_URL_LENGTH;
465 *preliminary = L'\0';
467 /* Canonicalize the base input prior to looking for the scheme */
468 myflags = dwFlags & (URL_DONT_SIMPLIFY | URL_UNESCAPE);
469 len = INTERNET_MAX_URL_LENGTH;
470 ret = UrlCanonicalizeW(pszBase, mbase, &len, myflags);
472 /* Canonicalize the relative input prior to looking for the scheme */
473 len = INTERNET_MAX_URL_LENGTH;
474 ret = UrlCanonicalizeW(pszRelative, mrelative, &len, myflags);
476 /* See if the base has a scheme */
477 res1 = SHLWAPI_2(mbase, &base);
479 /* if pszBase has no scheme, then return pszRelative */
480 TRACE("no scheme detected in Base\n");
485 /* get size of location field (if it exists) */
486 work = (LPWSTR)base.ap2;
488 if (*work++ == L'/') {
489 if (*work++ == L'/') {
490 /* At this point have start of location and
491 * it ends at next '/' or end of string.
493 while(*work && (*work != L'/')) work++;
494 sizeloc = work - base.ap2;
498 /* Change .sizep2 to not have the last leaf in it,
499 * Note: we need to start after the location (if it exists)
501 work = strrchrW((base.ap2+sizeloc), L'/');
503 len = work - base.ap2 + 1;
508 * .ap2 points to location (starting with '//')
509 * .sizep2 length of location (above) and rest less the last
511 * sizeloc length of location (above) up to but not including
515 res2 = SHLWAPI_2(mrelative, &relative);
517 /* no scheme in pszRelative */
518 TRACE("no scheme detected in Relative\n");
519 relative.ap2 = mrelative; /* case 3,4,5 depends on this */
520 relative.sizep2 = strlenW(mrelative);
521 if (*pszRelative == L':') {
522 /* case that is either left alone or uses pszBase */
523 if (dwFlags & URL_PLUGGABLE_PROTOCOL) {
530 if (isalnum(*mrelative) && (*(mrelative + 1) == L':')) {
531 /* case that becomes "file:///" */
532 strcpyW(preliminary, myfilestr);
536 if ((*mrelative == L'/') && (*(mrelative+1) == L'/')) {
537 /* pszRelative has location and rest */
541 if (*mrelative == L'/') {
542 /* case where pszRelative is root to location */
546 process_case = (*base.ap2 == L'/') ? 5 : 3;
550 /* handle cases where pszRelative has scheme */
551 if ((base.sizep1 == relative.sizep1) &&
552 (strncmpW(base.ap1, relative.ap1, base.sizep1) == 0)) {
554 /* since the schemes are the same */
555 if ((*relative.ap2 == L'/') && (*(relative.ap2+1) == L'/')) {
556 /* case where pszRelative replaces location and following */
560 if (*relative.ap2 == L'/') {
561 /* case where pszRelative is root to location */
565 /* case where scheme is followed by document path */
569 if ((*relative.ap2 == L'/') && (*(relative.ap2+1) == L'/')) {
570 /* case where pszRelative replaces scheme, location,
571 * and following and handles PLUGGABLE
578 } while(FALSE); /* a litte trick to allow easy exit from nested if's */
582 switch (process_case) {
585 * Return pszRelative appended to what ever is in pszCombined,
586 * (which may the string "file:///"
588 len = strlenW(mrelative) + strlenW(preliminary);
589 if (len+1 > *pcchCombined) {
594 strcatW(preliminary, mrelative);
598 * Same as case 1, but if URL_PLUGGABLE_PROTOCOL was specified
599 * and pszRelative starts with "//", then append a "/"
601 len = strlenW(mrelative) + 1;
602 if (len+1 > *pcchCombined) {
607 strcpyW(preliminary, mrelative);
608 if (!(dwFlags & URL_PLUGGABLE_PROTOCOL) &&
609 URL_JustLocation(relative.ap2))
610 strcatW(preliminary, single_slash);
614 * Return the pszBase scheme with pszRelative. Basicly
615 * keeps the scheme and replaces the domain and following.
617 len = base.sizep1 + 1 + relative.sizep2 + 1;
618 if (len+1 > *pcchCombined) {
623 strncpyW(preliminary, base.ap1, base.sizep1 + 1);
624 work = preliminary + base.sizep1 + 1;
625 strcpyW(work, relative.ap2);
626 if (!(dwFlags & URL_PLUGGABLE_PROTOCOL) &&
627 URL_JustLocation(relative.ap2))
628 strcatW(work, single_slash);
632 * Return the pszBase scheme and location but everything
633 * after the location is pszRelative. (Replace document
636 len = base.sizep1 + 1 + sizeloc + relative.sizep2 + 1;
637 if (len+1 > *pcchCombined) {
642 strncpyW(preliminary, base.ap1, base.sizep1+1+sizeloc);
643 work = preliminary + base.sizep1 + 1 + sizeloc;
644 if (dwFlags & URL_PLUGGABLE_PROTOCOL)
646 strcpyW(work, relative.ap2);
650 * Return the pszBase without its document (if any) and
651 * append pszRelative after its scheme.
653 len = base.sizep1 + 1 + base.sizep2 + relative.sizep2;
654 if (len+1 > *pcchCombined) {
659 strncpyW(preliminary, base.ap1, base.sizep1+1+base.sizep2);
660 work = preliminary + base.sizep1+1+base.sizep2 - 1;
663 strcpyW(work, relative.ap2);
667 FIXME("How did we get here????? process_case=%ld\n", process_case);
673 * Now that the combining is done, process the escape options if
674 * necessary, otherwise just copy the string.
676 myflags = dwFlags & (URL_ESCAPE_PERCENT |
677 URL_ESCAPE_SPACES_ONLY |
678 URL_DONT_ESCAPE_EXTRA_INFO |
679 URL_ESCAPE_SEGMENT_ONLY);
681 ret = UrlEscapeW(preliminary, pszCombined,
682 pcchCombined, myflags);
684 len = (strlenW(preliminary) + 1) * sizeof(WCHAR);
685 memcpy(pszCombined, preliminary, len);
686 *pcchCombined = strlenW(preliminary);
688 TRACE("return-%ld len=%ld, %s\n",
689 process_case, *pcchCombined, debugstr_w(pszCombined));
691 HeapFree(GetProcessHeap(), 0, preliminary);
695 /*************************************************************************
696 * UrlEscapeA [SHLWAPI.@]
698 * Converts unsafe characters into their escape sequences.
700 * The converted string is returned in pszEscaped if the buffer size
701 * (which should be supplied in pcchEscaped) is large enough, in this
702 * case the function returns S_OK and pcchEscaped contains the length
703 * of the escaped string. If the buffer is not large enough the
704 * function returns E_POINTER and pcchEscaped contains the required
705 * buffer size (including room for the '\0').
707 * By default the function stops converting at the first '?' or
708 * '#'. [MSDN says differently]. If URL_ESCAPE_SPACES_ONLY flag is set
709 * then only spaces are converted, but the conversion continues past a
713 * Have now implemented the following flags:
714 * URL_ESCAPE_SPACES_ONLY
715 * URL_DONT_ESCAPE_EXTRA_INFO
716 * URL_ESCAPE_SEGMENT_ONLY
718 * Initial testing seems to indicate that this is now working like
719 * native shlwapi version 5. Note that these functions did not work
720 * well (or at all) in shlwapi version 4.
723 HRESULT WINAPI UrlEscapeA(
730 DWORD needed = 0, ret;
731 BOOL stop_escaping = FALSE;
732 char next[3], *dst = pszEscaped;
733 char hex[] = "0123456789ABCDEF";
736 TRACE("(%s %p %p 0x%08lx)\n", debugstr_a(pszUrl), pszEscaped,
737 pcchEscaped, dwFlags);
739 if(dwFlags & ~(URL_ESCAPE_SPACES_ONLY |
740 URL_ESCAPE_SEGMENT_ONLY |
741 URL_DONT_ESCAPE_EXTRA_INFO |
743 FIXME("Unimplemented flags: %08lx\n", dwFlags);
746 if (dwFlags & URL_ESCAPE_SPACES_ONLY)
747 /* if SPACES_ONLY specified, reset the other controls */
748 dwFlags &= ~(URL_DONT_ESCAPE_EXTRA_INFO |
750 URL_ESCAPE_SEGMENT_ONLY);
753 /* if SPACES_ONLY *not* specified then assume DONT_ESCAPE_EXTRA_INFO */
754 dwFlags |= URL_DONT_ESCAPE_EXTRA_INFO;
756 for(src = pszUrl; *src; src++) {
757 if(!(dwFlags & URL_ESCAPE_SEGMENT_ONLY) &&
758 (dwFlags & URL_DONT_ESCAPE_EXTRA_INFO) &&
759 (*src == '#' || *src == '?'))
760 stop_escaping = TRUE;
762 if(URL_NeedEscapeA(*src, dwFlags) && stop_escaping == FALSE) {
763 /* TRACE("escaping %c\n", *src); */
765 next[1] = hex[(*src >> 4) & 0xf];
766 next[2] = hex[*src & 0xf];
769 /* TRACE("passing %c\n", *src); */
774 if(needed + len <= *pcchEscaped) {
775 memcpy(dst, next, len);
781 if(needed < *pcchEscaped) {
785 needed++; /* add one for the '\0' */
788 *pcchEscaped = needed;
792 /*************************************************************************
793 * UrlEscapeW [SHLWAPI.@]
795 * See UrlEscapeA for list of assumptions, bugs, and FIXMEs
797 HRESULT WINAPI UrlEscapeW(
804 DWORD needed = 0, ret;
805 BOOL stop_escaping = FALSE;
806 WCHAR next[5], *dst = pszEscaped;
807 CHAR hex[] = "0123456789ABCDEF";
810 TRACE("(%s %p %p 0x%08lx)\n", debugstr_w(pszUrl), pszEscaped,
811 pcchEscaped, dwFlags);
813 if(dwFlags & ~(URL_ESCAPE_SPACES_ONLY |
814 URL_ESCAPE_SEGMENT_ONLY |
815 URL_DONT_ESCAPE_EXTRA_INFO |
817 FIXME("Unimplemented flags: %08lx\n", dwFlags);
820 if (dwFlags & URL_ESCAPE_SPACES_ONLY)
821 /* if SPACES_ONLY specified, reset the other controls */
822 dwFlags &= ~(URL_DONT_ESCAPE_EXTRA_INFO |
824 URL_ESCAPE_SEGMENT_ONLY);
827 /* if SPACES_ONLY *not* specified the assume DONT_ESCAPE_EXTRA_INFO */
828 dwFlags |= URL_DONT_ESCAPE_EXTRA_INFO;
830 for(src = pszUrl; *src; src++) {
832 * if(!(dwFlags & URL_ESCAPE_SPACES_ONLY) &&
833 * (*src == L'#' || *src == L'?'))
834 * stop_escaping = TRUE;
836 if(!(dwFlags & URL_ESCAPE_SEGMENT_ONLY) &&
837 (dwFlags & URL_DONT_ESCAPE_EXTRA_INFO) &&
838 (*src == L'#' || *src == L'?'))
839 stop_escaping = TRUE;
841 if(URL_NeedEscapeW(*src, dwFlags) && stop_escaping == FALSE) {
842 /* TRACE("escaping %c\n", *src); */
845 * I would have assumed that the W form would escape
846 * the character with 4 hex digits (or even 8),
847 * however, experiments show that native shlwapi escapes
848 * with only 2 hex digits.
849 * next[1] = hex[(*src >> 12) & 0xf];
850 * next[2] = hex[(*src >> 8) & 0xf];
851 * next[3] = hex[(*src >> 4) & 0xf];
852 * next[4] = hex[*src & 0xf];
855 next[1] = hex[(*src >> 4) & 0xf];
856 next[2] = hex[*src & 0xf];
859 /* TRACE("passing %c\n", *src); */
864 if(needed + len <= *pcchEscaped) {
865 memcpy(dst, next, len*sizeof(WCHAR));
871 if(needed < *pcchEscaped) {
875 needed++; /* add one for the '\0' */
878 *pcchEscaped = needed;
883 /*************************************************************************
884 * UrlUnescapeA [SHLWAPI.@]
886 * Converts escape sequences back to ordinary characters.
888 * If URL_ESCAPE_INPLACE is set in dwFlags then pszUnescaped and
889 * pcchUnescaped are ignored and the converted string is returned in
890 * pszUrl, otherwise the string is returned in pszUnescaped.
891 * pcchUnescaped should contain the size of pszUnescaped on calling
892 * and will contain the length the the returned string on return if
893 * the buffer is big enough else it will contain the buffer size
894 * required (including room for the '\0'). The function returns S_OK
895 * on success or E_POINTER if the buffer is not large enough. If the
896 * URL_DONT_ESCAPE_EXTRA_INFO flag is set then the conversion stops at
897 * the first occurrence of either '?' or '#'.
900 HRESULT WINAPI UrlUnescapeA(
903 LPDWORD pcchUnescaped,
910 BOOL stop_unescaping = FALSE;
912 TRACE("(%s, %p, %p, 0x%08lx)\n", debugstr_a(pszUrl), pszUnescaped,
913 pcchUnescaped, dwFlags);
915 if(dwFlags & URL_UNESCAPE_INPLACE)
920 for(src = pszUrl, needed = 0; *src; src++, needed++) {
921 if(dwFlags & URL_DONT_UNESCAPE_EXTRA_INFO &&
922 (*src == '#' || *src == '?')) {
923 stop_unescaping = TRUE;
925 } else if(*src == '%' && isxdigit(*(src + 1)) && isxdigit(*(src + 2))
926 && stop_unescaping == FALSE) {
929 memcpy(buf, src + 1, 2);
931 ih = strtol(buf, NULL, 16);
933 src += 2; /* Advance to end of escape */
937 if(dwFlags & URL_UNESCAPE_INPLACE || needed < *pcchUnescaped)
941 if(dwFlags & URL_UNESCAPE_INPLACE || needed < *pcchUnescaped) {
945 needed++; /* add one for the '\0' */
948 if(!(dwFlags & URL_UNESCAPE_INPLACE))
949 *pcchUnescaped = needed;
952 TRACE("result %s\n", (dwFlags & URL_UNESCAPE_INPLACE) ?
953 debugstr_a(pszUrl) : debugstr_a(pszUnescaped));
959 /*************************************************************************
960 * UrlUnescapeW [SHLWAPI.@]
962 * See UrlUnescapeA for list of assumptions, bugs, and FIXMEs
964 HRESULT WINAPI UrlUnescapeW(
967 LPDWORD pcchUnescaped,
974 BOOL stop_unescaping = FALSE;
976 TRACE("(%s, %p, %p, 0x%08lx)\n", debugstr_w(pszUrl), pszUnescaped,
977 pcchUnescaped, dwFlags);
979 if(dwFlags & URL_UNESCAPE_INPLACE)
980 dst = (WCHAR*)pszUrl;
984 for(src = pszUrl, needed = 0; *src; src++, needed++) {
985 if(dwFlags & URL_DONT_UNESCAPE_EXTRA_INFO &&
986 (*src == L'#' || *src == L'?')) {
987 stop_unescaping = TRUE;
989 } else if(*src == L'%' && isxdigitW(*(src + 1)) && isxdigitW(*(src + 2))
990 && stop_unescaping == FALSE) {
993 memcpy(buf, src + 1, 2*sizeof(WCHAR));
997 src += 2; /* Advance to end of escape */
1001 if(dwFlags & URL_UNESCAPE_INPLACE || needed < *pcchUnescaped)
1005 if(dwFlags & URL_UNESCAPE_INPLACE || needed < *pcchUnescaped) {
1009 needed++; /* add one for the '\0' */
1012 if(!(dwFlags & URL_UNESCAPE_INPLACE))
1013 *pcchUnescaped = needed;
1016 TRACE("result %s\n", (dwFlags & URL_UNESCAPE_INPLACE) ?
1017 debugstr_w(pszUrl) : debugstr_w(pszUnescaped));
1023 /*************************************************************************
1024 * UrlGetLocationA [SHLWAPI.@]
1027 * MSDN (as of 2001-11-01) says that:
1028 * "The location is the segment of the URL starting with a ?
1030 * Neither V4 nor V5 of shlwapi.dll implement the '?' and always return
1032 * MSDN further states that:
1033 * "If a file URL has a query string, the returned string is
1034 * the query string."
1035 * In all test cases if the scheme starts with "fi" then a NULL is
1036 * returned. V5 gives the following results:
1037 * NULL file://aa/b/cd#hohoh
1038 * #hohoh http://aa/b/cd#hohoh
1039 * NULL fi://aa/b/cd#hohoh
1040 * #hohoh ff://aa/b/cd#hohoh
1042 LPCSTR WINAPI UrlGetLocationA(
1045 UNKNOWN_SHLWAPI_1 base;
1049 res1 = SHLWAPI_1(pszUrl, &base);
1050 if (res1) return NULL; /* invalid scheme */
1052 /* if scheme is file: then never return pointer */
1053 if (strncmp(base.ap1, "file", min(4,base.sizep1)) == 0) return NULL;
1055 /* Look for '#' and return its addr */
1056 return strchr(base.ap2, '#');
1059 /*************************************************************************
1060 * UrlGetLocationW [SHLWAPI.@]
1062 * See UrlGetLocationA for list of assumptions, bugs, and FIXMEs
1064 LPCWSTR WINAPI UrlGetLocationW(
1067 UNKNOWN_SHLWAPI_2 base;
1071 res1 = SHLWAPI_2(pszUrl, &base);
1072 if (res1) return NULL; /* invalid scheme */
1074 /* if scheme is file: then never return pointer */
1075 if (strncmpW(base.ap1, fileW, min(4,base.sizep1)) == 0) return NULL;
1077 /* Look for '#' and return its addr */
1078 return strchrW(base.ap2, L'#');
1081 /*************************************************************************
1082 * UrlCompareA [SHLWAPI.@]
1084 INT WINAPI UrlCompareA(
1089 INT ret, len, len1, len2;
1092 return strcmp(pszUrl1, pszUrl2);
1093 len1 = strlen(pszUrl1);
1094 if (pszUrl1[len1-1] == L'/') len1--;
1095 len2 = strlen(pszUrl2);
1096 if (pszUrl2[len2-1] == L'/') len2--;
1098 return strncmp(pszUrl1, pszUrl2, len1);
1099 len = min(len1, len2);
1100 ret = strncmp(pszUrl1, pszUrl2, len);
1101 if (ret) return ret;
1102 if (len1 > len2) return 1;
1106 /*************************************************************************
1107 * UrlCompareW [SHLWAPI.@]
1109 INT WINAPI UrlCompareW(
1114 INT ret, len, len1, len2;
1117 return strcmpW(pszUrl1, pszUrl2);
1118 len1 = strlenW(pszUrl1);
1119 if (pszUrl1[len1-1] == L'/') len1--;
1120 len2 = strlenW(pszUrl2);
1121 if (pszUrl2[len2-1] == L'/') len2--;
1123 return strncmpW(pszUrl1, pszUrl2, len1);
1124 len = min(len1, len2);
1125 ret = strncmpW(pszUrl1, pszUrl2, len);
1126 if (ret) return ret;
1127 if (len1 > len2) return 1;
1131 /*************************************************************************
1132 * HashData [SHLWAPI.@]
1134 * Hash an input block into a variable sized digest.
1136 BOOL WINAPI HashData(const unsigned char *lpSrc, INT nSrcLen,
1137 unsigned char *lpDest, INT nDestLen)
1139 INT srcCount = nSrcLen - 1, destCount = nDestLen - 1;
1141 if (IsBadReadPtr(lpSrc, nSrcLen) ||
1142 IsBadWritePtr(lpDest, nDestLen))
1145 while (destCount >= 0)
1147 lpDest[destCount] = (destCount & 0xff);
1151 while (srcCount >= 0)
1153 destCount = nDestLen - 1;
1154 while (destCount >= 0)
1156 lpDest[destCount] = HashDataLookup[lpSrc[srcCount] ^ lpDest[destCount]];
1164 /*************************************************************************
1165 * UrlHashA [SHLWAPI.@]
1167 * Hash an ASCII URL.
1169 HRESULT WINAPI UrlHashA(LPCSTR pszUrl, unsigned char *lpDest, INT nDestLen)
1171 if (IsBadStringPtrA(pszUrl, -1) || IsBadWritePtr(lpDest, nDestLen))
1172 return E_INVALIDARG;
1174 HashData(pszUrl, strlen(pszUrl), lpDest, nDestLen);
1178 /*************************************************************************
1179 * UrlHashW [SHLWAPI.@]
1183 HRESULT WINAPI UrlHashW(LPCWSTR pszUrl, unsigned char *lpDest, INT nDestLen)
1185 char szUrl[MAX_PATH];
1187 TRACE("(%s,%p,%d)\n",debugstr_w(pszUrl), lpDest, nDestLen);
1189 if (IsBadStringPtrW(pszUrl, -1) || IsBadWritePtr(lpDest, nDestLen))
1190 return E_INVALIDARG;
1192 /* Win32 hashes the data as an ASCII string, presumably so that both A+W
1193 * return the same digests for the same URL.
1195 WideCharToMultiByte(0, 0, pszUrl, -1, szUrl, MAX_PATH, 0, 0);
1196 HashData(szUrl, strlen(szUrl), lpDest, nDestLen);
1200 /*************************************************************************
1201 * UrlApplySchemeA [SHLWAPI.@]
1203 HRESULT WINAPI UrlApplySchemeA(LPCSTR pszIn, LPSTR pszOut, LPDWORD pcchOut, DWORD dwFlags)
1206 DWORD ret, len, len2;
1208 TRACE("(in %s, out size %ld, flags %08lx) using W version\n",
1209 debugstr_a(pszIn), *pcchOut, dwFlags);
1211 in = (LPWSTR) HeapAlloc(GetProcessHeap(), 0,
1212 (2*INTERNET_MAX_URL_LENGTH) * sizeof(WCHAR));
1213 out = in + INTERNET_MAX_URL_LENGTH;
1215 MultiByteToWideChar(0, 0, pszIn, -1, in, INTERNET_MAX_URL_LENGTH);
1216 len = INTERNET_MAX_URL_LENGTH;
1218 ret = UrlApplySchemeW(in, out, &len, dwFlags);
1219 if ((ret != S_OK) && (ret != S_FALSE)) {
1220 HeapFree(GetProcessHeap(), 0, in);
1224 len2 = WideCharToMultiByte(0, 0, out, len+1, 0, 0, 0, 0);
1225 if (len2 > *pcchOut) {
1227 HeapFree(GetProcessHeap(), 0, in);
1230 WideCharToMultiByte(0, 0, out, len+1, pszOut, *pcchOut, 0, 0);
1232 HeapFree(GetProcessHeap(), 0, in);
1236 HRESULT URL_GuessScheme(LPCWSTR pszIn, LPWSTR pszOut, LPDWORD pcchOut)
1241 DWORD value_len, data_len, dwType;
1242 WCHAR reg_path[MAX_PATH];
1243 WCHAR value[MAX_PATH], data[MAX_PATH];
1246 MultiByteToWideChar(0, 0,
1247 "Software\\Microsoft\\Windows\\CurrentVersion\\URL\\Prefixes",
1248 -1, reg_path, MAX_PATH);
1249 RegOpenKeyExW(HKEY_LOCAL_MACHINE, reg_path, 0, 1, &newkey);
1251 while(value_len = data_len = MAX_PATH,
1252 RegEnumValueW(newkey, index, value, &value_len,
1253 0, &dwType, (LPVOID)data, &data_len) == 0) {
1254 TRACE("guess %d %s is %s\n",
1255 index, debugstr_w(value), debugstr_w(data));
1258 for(i=0; i<value_len; i++) {
1261 /* remember that TRUE is not-equal */
1262 j = ChrCmpIW(Wxx, Wyy);
1265 if ((i == value_len) && !j) {
1266 if (strlenW(data) + strlenW(pszIn) + 1 > *pcchOut) {
1267 *pcchOut = strlenW(data) + strlenW(pszIn) + 1;
1268 RegCloseKey(newkey);
1271 strcpyW(pszOut, data);
1272 strcatW(pszOut, pszIn);
1273 *pcchOut = strlenW(pszOut);
1274 TRACE("matched and set to %s\n", debugstr_w(pszOut));
1275 RegCloseKey(newkey);
1280 RegCloseKey(newkey);
1284 HRESULT URL_ApplyDefault(LPCWSTR pszIn, LPWSTR pszOut, LPDWORD pcchOut)
1287 DWORD data_len, dwType;
1288 WCHAR reg_path[MAX_PATH];
1289 WCHAR value[MAX_PATH], data[MAX_PATH];
1291 /* get and prepend default */
1292 MultiByteToWideChar(0, 0,
1293 "Software\\Microsoft\\Windows\\CurrentVersion\\URL\\DefaultPrefix",
1294 -1, reg_path, MAX_PATH);
1295 RegOpenKeyExW(HKEY_LOCAL_MACHINE, reg_path, 0, 1, &newkey);
1296 data_len = MAX_PATH;
1299 RegQueryValueExW(newkey, value, 0, &dwType, (LPBYTE)data, &data_len);
1300 RegCloseKey(newkey);
1301 if (strlenW(data) + strlenW(pszIn) + 1 > *pcchOut) {
1302 *pcchOut = strlenW(data) + strlenW(pszIn) + 1;
1305 strcpyW(pszOut, data);
1306 strcatW(pszOut, pszIn);
1307 *pcchOut = strlenW(pszOut);
1308 TRACE("used default %s\n", debugstr_w(pszOut));
1312 /*************************************************************************
1313 * UrlApplySchemeW [SHLWAPI.@]
1315 HRESULT WINAPI UrlApplySchemeW(LPCWSTR pszIn, LPWSTR pszOut, LPDWORD pcchOut, DWORD dwFlags)
1317 UNKNOWN_SHLWAPI_2 in_scheme;
1321 TRACE("(in %s, out size %ld, flags %08lx)\n",
1322 debugstr_w(pszIn), *pcchOut, dwFlags);
1324 if (dwFlags & URL_APPLY_GUESSFILE) {
1325 FIXME("(%s %p %p(%ld) 0x%08lx): stub URL_APPLY_GUESSFILE not implemented\n",
1326 debugstr_w(pszIn), pszOut, pcchOut, *pcchOut, dwFlags);
1327 strcpyW(pszOut, pszIn);
1328 *pcchOut = strlenW(pszOut);
1332 in_scheme.size = 24;
1333 /* See if the base has a scheme */
1334 res1 = SHLWAPI_2(pszIn, &in_scheme);
1336 /* no scheme in input, need to see if we need to guess */
1337 if (dwFlags & URL_APPLY_GUESSSCHEME) {
1338 if ((ret = URL_GuessScheme(pszIn, pszOut, pcchOut)) != -1)
1343 /* we have a scheme, see if valid (known scheme) */
1344 if (in_scheme.fcncde) {
1345 /* have valid scheme, so just copy and exit */
1346 if (strlenW(pszIn) + 1 > *pcchOut) {
1347 *pcchOut = strlenW(pszIn) + 1;
1350 strcpyW(pszOut, pszIn);
1351 *pcchOut = strlenW(pszOut);
1352 TRACE("valid scheme, returing copy\n");
1357 /* If we are here, then either invalid scheme,
1358 * or no scheme and can't/failed guess.
1360 if ( ( ((res1 == 0) && (dwFlags & URL_APPLY_FORCEAPPLY)) ||
1362 (dwFlags & URL_APPLY_DEFAULT)) {
1363 /* find and apply default scheme */
1364 return URL_ApplyDefault(pszIn, pszOut, pcchOut);
1367 /* just copy and give proper return code */
1368 if (strlenW(pszIn) + 1 > *pcchOut) {
1369 *pcchOut = strlenW(pszIn) + 1;
1372 strcpyW(pszOut, pszIn);
1373 *pcchOut = strlenW(pszOut);
1374 TRACE("returning copy, left alone\n");
1378 /*************************************************************************
1379 * UrlIsA [SHLWAPI.@]
1381 BOOL WINAPI UrlIsA(LPCSTR pszUrl, URLIS Urlis)
1383 UNKNOWN_SHLWAPI_1 base;
1390 res1 = SHLWAPI_1(pszUrl, &base);
1391 if (res1) return FALSE; /* invalid scheme */
1392 if ((*base.ap2 == '/') && (*(base.ap2+1) == '/'))
1393 /* has scheme followed by 2 '/' */
1398 case URLIS_NOHISTORY:
1400 case URLIS_APPLIABLE:
1401 case URLIS_DIRECTORY:
1402 case URLIS_HASQUERY:
1404 FIXME("(%s %d): stub\n", debugstr_a(pszUrl), Urlis);
1409 /*************************************************************************
1410 * UrlIsW [SHLWAPI.@]
1412 BOOL WINAPI UrlIsW(LPCWSTR pszUrl, URLIS Urlis)
1414 UNKNOWN_SHLWAPI_2 base;
1421 res1 = SHLWAPI_2(pszUrl, &base);
1422 if (res1) return FALSE; /* invalid scheme */
1423 if ((*base.ap2 == L'/') && (*(base.ap2+1) == L'/'))
1424 /* has scheme followed by 2 '/' */
1429 case URLIS_NOHISTORY:
1431 case URLIS_APPLIABLE:
1432 case URLIS_DIRECTORY:
1433 case URLIS_HASQUERY:
1435 FIXME("(%s %d): stub\n", debugstr_w(pszUrl), Urlis);
1440 /*************************************************************************
1441 * UrlIsNoHistoryA [SHLWAPI.@]
1443 BOOL WINAPI UrlIsNoHistoryA(LPCSTR pszUrl)
1445 return UrlIsA(pszUrl, URLIS_NOHISTORY);
1448 /*************************************************************************
1449 * UrlIsNoHistoryW [SHLWAPI.@]
1451 BOOL WINAPI UrlIsNoHistoryW(LPCWSTR pszUrl)
1453 return UrlIsW(pszUrl, URLIS_NOHISTORY);
1456 /*************************************************************************
1457 * UrlIsOpaqueA [SHLWAPI.@]
1459 BOOL WINAPI UrlIsOpaqueA(LPCSTR pszUrl)
1461 return UrlIsA(pszUrl, URLIS_OPAQUE);
1464 /*************************************************************************
1465 * UrlIsOpaqueW [SHLWAPI.@]
1467 BOOL WINAPI UrlIsOpaqueW(LPCWSTR pszUrl)
1469 return UrlIsW(pszUrl, URLIS_OPAQUE);
1472 /*************************************************************************
1473 * Scans for characters of type "type" and when not matching found,
1474 * returns pointer to it and length in size.
1476 * Characters tested based on RFC 1738
1478 LPCWSTR URL_ScanID(LPCWSTR start, LPDWORD size, WINE_URL_SCAN_TYPE type)
1480 static DWORD alwayszero = 0;
1489 if ( (islowerW(*start) && isalphaW(*start)) ||
1504 if ( isalphaW(*start) ||
1506 /* user/password only characters */
1511 /* *extra* characters */
1514 (*start == L'\'') ||
1518 /* *safe* characters */
1526 } else if (*start == L'%') {
1527 if (isxdigitW(*(start+1)) &&
1528 isxdigitW(*(start+2))) {
1540 if (isdigitW(*start)) {
1551 if (isalnumW(*start) ||
1553 (*start == L'.') ) {
1562 FIXME("unknown type %d\n", type);
1563 return (LPWSTR)&alwayszero;
1565 /* TRACE("scanned %ld characters next char %p<%c>\n",
1566 *size, start, *start); */
1570 /*************************************************************************
1571 * Attempt to parse URL into pieces.
1573 LONG URL_ParseUrl(LPCWSTR pszUrl, WINE_PARSE_URL *pl)
1577 memset(pl, 0, sizeof(WINE_PARSE_URL));
1578 pl->pScheme = pszUrl;
1579 work = URL_ScanID(pl->pScheme, &pl->szScheme, SCHEME);
1580 if (!*work || (*work != L':')) goto ERROR;
1582 if ((*work != L'/') || (*(work+1) != L'/')) goto ERROR;
1583 pl->pUserName = work + 2;
1584 work = URL_ScanID(pl->pUserName, &pl->szUserName, USERPASS);
1585 if (*work == L':' ) {
1586 /* parse password */
1588 pl->pPassword = work;
1589 work = URL_ScanID(pl->pPassword, &pl->szPassword, USERPASS);
1590 if (*work != L'@') {
1591 /* what we just parsed must be the hostname and port
1592 * so reset pointers and clear then let it parse */
1593 pl->szUserName = pl->szPassword = 0;
1594 work = pl->pUserName - 1;
1595 pl->pUserName = pl->pPassword = 0;
1597 } else if (*work == L'@') {
1601 } else if (!*work || (*work == L'/') || (*work == L'.')) {
1602 /* what was parsed was hostname, so reset pointers and let it parse */
1603 pl->szUserName = pl->szPassword = 0;
1604 work = pl->pUserName - 1;
1605 pl->pUserName = pl->pPassword = 0;
1608 /* now start parsing hostname or hostnumber */
1610 pl->pHostName = work;
1611 work = URL_ScanID(pl->pHostName, &pl->szHostName, HOST);
1612 if (*work == L':') {
1616 work = URL_ScanID(pl->pPort, &pl->szPort, PORT);
1618 if (*work == L'/') {
1619 /* see if query string */
1620 pl->pQuery = strchrW(work, L'?');
1621 if (pl->pQuery) pl->szQuery = strlenW(pl->pQuery);
1623 TRACE("parse successful: scheme=%p(%ld), user=%p(%ld), pass=%p(%ld), host=%p(%ld), port=%p(%ld), query=%p(%ld)\n",
1624 pl->pScheme, pl->szScheme,
1625 pl->pUserName, pl->szUserName,
1626 pl->pPassword, pl->szPassword,
1627 pl->pHostName, pl->szHostName,
1628 pl->pPort, pl->szPort,
1629 pl->pQuery, pl->szQuery);
1632 FIXME("failed to parse %s\n", debugstr_w(pszUrl));
1633 return E_INVALIDARG;
1636 /*************************************************************************
1637 * UrlGetPartA [SHLWAPI.@]
1639 HRESULT WINAPI UrlGetPartA(LPCSTR pszIn, LPSTR pszOut, LPDWORD pcchOut,
1640 DWORD dwPart, DWORD dwFlags)
1643 DWORD ret, len, len2;
1645 in = (LPWSTR) HeapAlloc(GetProcessHeap(), 0,
1646 (2*INTERNET_MAX_URL_LENGTH) * sizeof(WCHAR));
1647 out = in + INTERNET_MAX_URL_LENGTH;
1649 MultiByteToWideChar(0, 0, pszIn, -1, in, INTERNET_MAX_URL_LENGTH);
1651 len = INTERNET_MAX_URL_LENGTH;
1652 ret = UrlGetPartW(in, out, &len, dwPart, dwFlags);
1655 HeapFree(GetProcessHeap(), 0, in);
1659 len2 = WideCharToMultiByte(0, 0, out, len, 0, 0, 0, 0);
1660 if (len2 > *pcchOut) {
1662 HeapFree(GetProcessHeap(), 0, in);
1665 WideCharToMultiByte(0, 0, out, len+1, pszOut, *pcchOut, 0, 0);
1667 HeapFree(GetProcessHeap(), 0, in);
1671 /*************************************************************************
1672 * UrlGetPartW [SHLWAPI.@]
1674 HRESULT WINAPI UrlGetPartW(LPCWSTR pszIn, LPWSTR pszOut, LPDWORD pcchOut,
1675 DWORD dwPart, DWORD dwFlags)
1679 DWORD size, schsize;
1680 LPCWSTR addr, schaddr;
1683 TRACE("(%s %p %p(%ld) %08lx %08lx)\n",
1684 debugstr_w(pszIn), pszOut, pcchOut, *pcchOut, dwPart, dwFlags);
1686 ret = URL_ParseUrl(pszIn, &pl);
1688 schaddr = pl.pScheme;
1689 schsize = pl.szScheme;
1692 case URL_PART_SCHEME:
1693 if (!pl.szScheme) return E_INVALIDARG;
1698 case URL_PART_HOSTNAME:
1699 if (!pl.szHostName) return E_INVALIDARG;
1700 addr = pl.pHostName;
1701 size = pl.szHostName;
1704 case URL_PART_USERNAME:
1705 if (!pl.szUserName) return E_INVALIDARG;
1706 addr = pl.pUserName;
1707 size = pl.szUserName;
1710 case URL_PART_PASSWORD:
1711 if (!pl.szPassword) return E_INVALIDARG;
1712 addr = pl.pPassword;
1713 size = pl.szPassword;
1717 if (!pl.szPort) return E_INVALIDARG;
1722 case URL_PART_QUERY:
1723 if (!pl.szQuery) return E_INVALIDARG;
1729 return E_INVALIDARG;
1732 if (dwFlags == URL_PARTFLAG_KEEPSCHEME) {
1733 if (*pcchOut < size + schsize + 2) {
1734 *pcchOut = size + schsize + 2;
1737 strncpyW(pszOut, schaddr, schsize);
1738 work = pszOut + schsize;
1740 strncpyW(work+1, addr, size);
1741 *pcchOut = size + schsize + 1;
1746 if (*pcchOut < size + 1) {*pcchOut = size+1; return E_POINTER;}
1747 strncpyW(pszOut, addr, size);
1749 work = pszOut + size;
1752 TRACE("len=%ld %s\n", *pcchOut, debugstr_w(pszOut));