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Implemented a few Url* functions.

This commit is contained in:
Huw D M Davies 2001-01-05 22:22:57 +00:00 committed by Alexandre Julliard
parent f5f9f2cc51
commit f6c7222fce
5 changed files with 336 additions and 33 deletions
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3
dlls/shlwapi/Makefile.in
View File

@ -14,7 +14,8 @@ C_SRCS = \
reg.c \
regstream.c \
shlwapi_main.c \
string.c
string.c \
url.c
@MAKE_DLL_RULES@

28
dlls/shlwapi/ordinal.c
View File

@ -447,34 +447,6 @@ DWORD WINAPI SHLWAPI_437 (DWORD x)
return 0xabba1247;
}
/*************************************************************************
* UrlEscapeA [SHLWAPI]
*/
HRESULT WINAPI UrlEscapeA(
LPCSTR pszUrl,
LPSTR pszEscaped,
LPDWORD pcchEscaped,
DWORD dwFlags)
{
FIXME("(%s %p %p 0x%08lx)stub\n",debugstr_a(pszUrl),
pszEscaped, pcchEscaped, dwFlags);
return 0;
}
/*************************************************************************
* UrlEscapeW [SHLWAPI]
*/
HRESULT WINAPI UrlEscapeW(
LPCWSTR pszUrl,
LPWSTR pszEscaped,
LPDWORD pcchEscaped,
DWORD dwFlags)
{
FIXME("(%s %p %p 0x%08lx)stub\n",debugstr_w(pszUrl),
pszEscaped, pcchEscaped, dwFlags);
return 0;
}
/*************************************************************************
* SHCreateShellPalette [SHLWAPI.@]

8
dlls/shlwapi/shlwapi.spec
View File

@ -663,8 +663,8 @@ debug_channels (shell)
@ stub StrTrimW
@ stub UrlApplySchemeA
@ stub UrlApplySchemeW
@ stub UrlCanonicalizeA
@ stub UrlCanonicalizeW
@ stdcall UrlCanonicalizeA(str ptr ptr long) UrlCanonicalizeA
@ stdcall UrlCanonicalizeW(wstr ptr ptr long) UrlCanonicalizeW
@ stub UrlCombineA
@ stub UrlCombineW
@ stub UrlCompareA
@ -685,8 +685,8 @@ debug_channels (shell)
@ stub UrlIsOpaqueA
@ stub UrlIsOpaqueW
@ stub UrlIsW
@ stub UrlUnescapeA
@ stub UrlUnescapeW
@ stdcall UrlUnescapeA(str ptr ptr long) UrlUnescapeA
@ stdcall UrlUnescapeW(wstr ptr ptr long) UrlUnescapeW
@ varargs wnsprintfA(ptr long str)wnsprintfA
@ varargs wnsprintfW(ptr long wstr)wnsprintfW

291
dlls/shlwapi/url.c Normal file
View File

@ -0,0 +1,291 @@
/*
* Url functions
*
* Copyright 2000 Huw D M Davies for CodeWeavers.
*/
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "shlwapi.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(shell);
static BOOL URL_NeedEscape(CHAR ch, DWORD dwFlags)
{
if (isalnum(ch))
return FALSE;
if(dwFlags & URL_ESCAPE_SPACES_ONLY) {
if(ch == ' ')
return TRUE;
else
return FALSE;
}
if (ch <= 31 || ch >= 127)
return TRUE;
else {
switch (ch) {
case ' ':
case '<':
case '>':
case '\"':
case '{':
case '}':
case '|':
case '\\':
case '^':
case ']':
case '[':
case '`':
case '&':
return TRUE;
default:
return FALSE;
}
}
}
/*************************************************************************
* UrlCanonicalizeA [SHLWAPI]
*/
HRESULT WINAPI UrlCanonicalizeA(LPCSTR pszUrl, LPSTR pszCanonicalized,
LPDWORD pcchCanonicalized, DWORD dwFlags)
{
HRESULT hr = S_OK;
LPSTR lpszUrlCpy;
INT nLen;
TRACE("(%s %p %p 0x%08lx)\n", debugstr_a(pszUrl), pszCanonicalized,
pcchCanonicalized, dwFlags);
nLen = strlen(pszUrl);
lpszUrlCpy = HeapAlloc(GetProcessHeap(), 0, nLen + 1);
if (dwFlags & URL_DONT_SIMPLIFY)
memcpy(lpszUrlCpy, pszUrl, nLen + 1);
else {
FIXME("Simplify path\n");
memcpy(lpszUrlCpy, pszUrl, nLen + 1);
}
if(dwFlags & URL_UNESCAPE)
UrlUnescapeA(lpszUrlCpy, NULL, NULL, URL_UNESCAPE_INPLACE);
if(dwFlags & (URL_ESCAPE_UNSAFE | URL_ESCAPE_SPACES_ONLY)) {
DWORD EscapeFlags = dwFlags & (URL_ESCAPE_SPACES_ONLY
/* | URL_ESCAPE_PERCENT */);
hr = UrlEscapeA(lpszUrlCpy, pszCanonicalized, pcchCanonicalized,
EscapeFlags);
} else { /* No escapping needed, just copy the string */
nLen = strlen(lpszUrlCpy);
if(nLen < *pcchCanonicalized)
memcpy(pszCanonicalized, lpszUrlCpy, nLen + 1);
else {
hr = E_POINTER;
nLen++;
}
*pcchCanonicalized = nLen;
}
HeapFree(GetProcessHeap(), 0, lpszUrlCpy);
return hr;
}
/*************************************************************************
* UrlCanonicalizeW [SHLWAPI]
*/
HRESULT WINAPI UrlCanonicalizeW(LPCWSTR pszUrl, LPWSTR pszCanonicalized,
LPDWORD pcchCanonicalized, DWORD dwFlags)
{
FIXME("(%s %p %p 0x%08lx): stub\n",debugstr_w(pszUrl),
pszCanonicalized, pcchCanonicalized, dwFlags);
return E_NOTIMPL;
}
/*************************************************************************
* UrlEscapeA [SHLWAPI]
*
* Converts unsafe characters into their escape sequences.
*
* The converted string is returned in pszEscaped if the buffer size
* (which should be supplied in pcchEscaped) is large enough, in this
* case the function returns S_OK and pcchEscaped contains the length
* of the escaped string. If the buffer is not large enough the
* function returns E_POINTER and pcchEscaped contains the required
* buffer size (including room for the '\0').
*
* By default the function stops converting at the first '?' or
* '#'. [MSDN says differently]. If URL_ESCAPE_SPACE_ONLY flag is set
* then only spaces are converted, but the conversion continues past a
* '?' or '#'.
*
* BUGS:
*
* None of the URL_ define values are documented, so they were
* determined by trial and error. MSDN mentions URL_ESCAPE_PERCENT
* but I can't find a value that does this under win2000.
* URL_DONT_ESCAPE_EXTRA_INFO appears to be the default which is what
* we assume here. URL_ESCAPE_SEGMENT_ONLY is not implemented
* (value??). A value of 0x2000 for dwFlags seems to escape
* '/'s too - this is neither documented on MSDN nor implemented here.
* For character values that are converted see URL_NeedEscape.
*/
HRESULT WINAPI UrlEscapeA(
LPCSTR pszUrl,
LPSTR pszEscaped,
LPDWORD pcchEscaped,
DWORD dwFlags)
{
LPCSTR src;
DWORD needed = 0, ret;
BOOL stop_escapping = FALSE;
char next[3], *dst = pszEscaped;
char hex[] = "0123456789ABCDEF";
INT len;
TRACE("(%s %p %p 0x%08lx)\n", debugstr_a(pszUrl), pszEscaped,
pcchEscaped, dwFlags);
if(dwFlags & ~URL_ESCAPE_SPACES_ONLY)
FIXME("Unimplemented flags: %08lx\n", dwFlags);
for(src = pszUrl; *src; src++) {
if(!(dwFlags & URL_ESCAPE_SPACES_ONLY) &&
(*src == '#' || *src == '?'))
stop_escapping = TRUE;
if(URL_NeedEscape(*src, dwFlags) && stop_escapping == FALSE) {
next[0] = '%';
next[1] = hex[(*src >> 4) & 0xf];
next[2] = hex[*src & 0xf];
len = 3;
} else {
next[0] = *src;
len = 1;
}
if(needed + len <= *pcchEscaped) {
memcpy(dst, next, len);
dst += len;
}
needed += len;
}
if(needed < *pcchEscaped) {
*dst = '\0';
ret = S_OK;
} else {
needed++; /* add one for the '\0' */
ret = E_POINTER;
}
*pcchEscaped = needed;
return ret;
}
/*************************************************************************
* UrlEscapeW [SHLWAPI]
*/
HRESULT WINAPI UrlEscapeW(
LPCWSTR pszUrl,
LPWSTR pszEscaped,
LPDWORD pcchEscaped,
DWORD dwFlags)
{
FIXME("(%s %p %p 0x%08lx): stub\n",debugstr_w(pszUrl),
pszEscaped, pcchEscaped, dwFlags);
return E_NOTIMPL;
}
/*************************************************************************
* UrlUnescapeA [SHLWAPI]
*
* Converts escape sequences back to ordinary characters.
*
* If URL_ESCAPE_INPLACE is set in dwFlags then pszUnescaped and
* pcchUnescaped are ignored and the converted string is returned in
* pszUrl, otherwise the string is returned in pszUnescaped.
* pcchUnescaped should contain the size of pszUnescaped on calling
* and will contain the length the the returned string on return if
* the buffer is big enough else it will contain the buffer size
* required (including room for the '\0'). The function returns S_OK
* on success or E_POINTER if the buffer is not large enough. If the
* URL_DONT_ESCAPE_EXTRA_INFO flag is set then the conversion stops at
* the first occurrence of either '?' or '#'.
*
*/
HRESULT WINAPI UrlUnescapeA(
LPCSTR pszUrl,
LPSTR pszUnescaped,
LPDWORD pcchUnescaped,
DWORD dwFlags)
{
char *dst, next;
LPCSTR src;
HRESULT ret;
DWORD needed;
BOOL stop_unescapping = FALSE;
TRACE("(%s, %p, %p, %08lx): stub\n", debugstr_a(pszUrl), pszUnescaped,
pcchUnescaped, dwFlags);
if(dwFlags & URL_UNESCAPE_INPLACE)
dst = (char*)pszUrl;
else
dst = pszUnescaped;
for(src = pszUrl, needed = 0; *src; src++, needed++) {
if(dwFlags & URL_DONT_UNESCAPE_EXTRA_INFO &&
(*src == '#' || *src == '?')) {
stop_unescapping = TRUE;
next = *src;
} else if(*src == '%' && isxdigit(*(src + 1)) && isxdigit(*(src + 2))
&& stop_unescapping == FALSE) {
INT ih;
char buf[3];
memcpy(buf, src + 1, 2);
buf[2] = '\0';
ih = strtol(buf, NULL, 16);
next = (CHAR) ih;
src += 2; /* Advance to end of escape */
} else
next = *src;
if(dwFlags & URL_UNESCAPE_INPLACE || needed < *pcchUnescaped)
*dst++ = next;
}
if(dwFlags & URL_UNESCAPE_INPLACE || needed < *pcchUnescaped) {
*dst = '\0';
ret = S_OK;
} else {
needed++; /* add one for the '\0' */
ret = E_POINTER;
}
if(!(dwFlags & URL_UNESCAPE_INPLACE))
*pcchUnescaped = needed;
return ret;
}
/*************************************************************************
* UrlUnescapeW [SHLWAPI]
*/
HRESULT WINAPI UrlUnescapeW(
LPCWSTR pszUrl,
LPWSTR pszUnescaped,
LPDWORD pcchUnescaped,
DWORD dwFlags)
{
FIXME("(%s, %p, %p, %08lx): stub\n", debugstr_w(pszUrl), pszUnescaped,
pcchUnescaped, dwFlags);
return E_NOTIMPL;
}

39
include/shlwapi.h
View File

@ -7,6 +7,27 @@
extern "C" {
#endif /* defined(__cplusplus) */
/*
* The URL_ defines were determined by trial and error. If they become
* documented please check them and add the missing ones including:
*
* URL_ESCAPE_PERCENT
* URL_PLUGGABLE_PROTOCOL
* URL_DONT_ESCAPE_EXTRA_INFO
* URL_ESCAPE_SEGMENT_ONLY
*/
#define URL_UNESCAPE_INPLACE 0x00100000
#define URL_DONT_UNESCAPE_EXTRA_INFO 0x02000000
#define URL_ESCAPE_SPACES_ONLY 0x04000000
#define URL_UNESCAPE 0x10000000
#define URL_ESCAPE_UNSAFE 0x20000000
#define URL_DONT_SIMPLIFY 0x40000000
BOOL WINAPI PathAppendA(LPSTR lpszPath1,LPCSTR lpszPath2);
BOOL WINAPI PathAppendW(LPWSTR lpszPath1,LPCWSTR lpszPath2);
@ -130,6 +151,24 @@ DWORD WINAPI SHDeleteEmptyKeyA(HKEY hKey, LPCSTR lpszSubKey);
DWORD WINAPI SHDeleteEmptyKeyW(HKEY hKey, LPCWSTR lpszSubKey);
#define SHDeleteEmptyKey WINELIB_NAME_AW(SHDeleteEmptyKey)
HRESULT WINAPI UrlCanonicalizeA(LPCSTR pszUrl, LPSTR pszCanonicalized,
LPDWORD pcchCanonicalized, DWORD dwFlags);
HRESULT WINAPI UrlCanonicalizeW(LPCWSTR pszUrl, LPWSTR pszCanonicalized,
LPDWORD pcchCanonicalized, DWORD dwFlags);
#define UrlCanonicalize WINELIB_NAME_AW(UrlCanoncalize)
HRESULT WINAPI UrlEscapeA(LPCSTR pszUrl, LPSTR pszEscaped, LPDWORD pcchEscaped,
DWORD dwFlags);
HRESULT WINAPI UrlEscapeW(LPCWSTR pszUrl, LPWSTR pszEscaped,
LPDWORD pcchEscaped, DWORD dwFlags);
#define UrlEscape WINELIB_NAME_AW(UrlEscape)
HRESULT WINAPI UrlUnescapeA(LPCSTR pszUrl, LPSTR pszUnescaped,
LPDWORD pcchUnescaped, DWORD dwFlags);
HRESULT WINAPI UrlUnescapeW(LPCWSTR pszUrl, LPWSTR pszUnescaped,
LPDWORD pcchUnescaped, DWORD dwFlags);
#define UrlUnescape WINELIB_AW_NAME(UrlUnescape)
typedef struct _DllVersionInfo {
DWORD cbSize;
DWORD dwMajorVersion;