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shlwapi: Refactor get executable code in IQueryAssociations_fnGetString.

oldstable
Lei Zhang 2008-10-13 18:07:15 -07:00 committed by Alexandre Julliard
parent 48ad706c08
commit 4e0c0ec157
1 changed files with 82 additions and 70 deletions
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152
dlls/shlwapi/assoc.c
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@ -590,6 +590,86 @@ static HRESULT ASSOC_GetValue(HKEY hkey, WCHAR ** pszText)
return S_OK;
}
static HRESULT ASSOC_GetExecutable(IQueryAssociationsImpl *This,
LPCWSTR pszExtra, LPWSTR path,
DWORD pathlen, DWORD *len)
{
HKEY hkeyCommand;
HKEY hkeyFile;
HKEY hkeyShell;
HKEY hkeyVerb;
HRESULT hr;
LONG ret;
WCHAR * pszCommand;
WCHAR * pszEnd;
WCHAR * pszExtraFromReg;
WCHAR * pszFileType;
WCHAR * pszStart;
static const WCHAR commandW[] = { 'c','o','m','m','a','n','d',0 };
static const WCHAR shellW[] = { 's','h','e','l','l',0 };
assert(len);
hr = ASSOC_GetValue(This->hkeySource, &pszFileType);
if (FAILED(hr))
return hr;
ret = RegOpenKeyExW(HKEY_CLASSES_ROOT, pszFileType, 0, KEY_READ, &hkeyFile);
HeapFree(GetProcessHeap(), 0, pszFileType);
if (ret != ERROR_SUCCESS)
return HRESULT_FROM_WIN32(ret);
ret = RegOpenKeyExW(hkeyFile, shellW, 0, KEY_READ, &hkeyShell);
RegCloseKey(hkeyFile);
if (ret != ERROR_SUCCESS)
return HRESULT_FROM_WIN32(ret);
if (!pszExtra)
{
hr = ASSOC_GetValue(hkeyShell, &pszExtraFromReg);
if (FAILED(hr))
{
RegCloseKey(hkeyShell);
return hr;
}
}
ret = RegOpenKeyExW(hkeyShell, pszExtra ? pszExtra : pszExtraFromReg, 0,
KEY_READ, &hkeyVerb);
HeapFree(GetProcessHeap(), 0, pszExtraFromReg);
RegCloseKey(hkeyShell);
if (ret != ERROR_SUCCESS)
return HRESULT_FROM_WIN32(ret);
ret = RegOpenKeyExW(hkeyVerb, commandW, 0, KEY_READ, &hkeyCommand);
RegCloseKey(hkeyVerb);
if (ret != ERROR_SUCCESS)
return HRESULT_FROM_WIN32(ret);
hr = ASSOC_GetValue(hkeyCommand, &pszCommand);
RegCloseKey(hkeyCommand);
if (FAILED(hr))
return hr;
/* cleanup pszCommand */
if (pszCommand[0] == '"')
{
pszStart = pszCommand + 1;
pszEnd = strchrW(pszStart, '"');
}
else
{
pszStart = pszCommand;
pszEnd = strchrW(pszStart, ' ');
}
if (pszEnd)
*pszEnd = 0;
*len = SearchPathW(NULL, pszStart, NULL, pathlen, path, NULL);
HeapFree(GetProcessHeap(), 0, pszCommand);
if (!*len)
return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
return S_OK;
}
/**************************************************************************
* IQueryAssociations_GetString {SHLWAPI}
*
@ -617,21 +697,9 @@ static HRESULT WINAPI IQueryAssociations_fnGetString(
{
IQueryAssociationsImpl *This = (IQueryAssociationsImpl *)iface;
const ASSOCF cfUnimplemented = ~(0);
DWORD len;
HKEY hkeyCommand;
HKEY hkeyFile;
HKEY hkeyShell;
HKEY hkeyVerb;
DWORD len = 0;
HRESULT hr;
LONG ret;
WCHAR path[MAX_PATH];
WCHAR * pszCommand;
WCHAR * pszEnd;
WCHAR * pszExtraFromReg;
WCHAR * pszFileType;
WCHAR * pszStart;
static const WCHAR commandW[] = { 'c','o','m','m','a','n','d',0 };
static const WCHAR shellW[] = { 's','h','e','l','l',0 };
TRACE("(%p,0x%8x,0x%8x,%s,%p,%p)\n", This, cfFlags, str,
debugstr_w(pszExtra), pszOut, pcchOut);
@ -646,65 +714,9 @@ static HRESULT WINAPI IQueryAssociations_fnGetString(
{
case ASSOCSTR_EXECUTABLE:
{
hr = ASSOC_GetValue(This->hkeySource, &pszFileType);
hr = ASSOC_GetExecutable(This, pszExtra, path, MAX_PATH, &len);
if (FAILED(hr))
return hr;
ret = RegOpenKeyExW(HKEY_CLASSES_ROOT, pszFileType, 0, KEY_READ,
&hkeyFile);
HeapFree(GetProcessHeap(), 0, pszFileType);
if (ret != ERROR_SUCCESS)
return HRESULT_FROM_WIN32(ret);
ret = RegOpenKeyExW(hkeyFile, shellW, 0, KEY_READ, &hkeyShell);
RegCloseKey(hkeyFile);
if (ret != ERROR_SUCCESS)
return HRESULT_FROM_WIN32(ret);
if (!pszExtra)
{
hr = ASSOC_GetValue(hkeyShell, &pszExtraFromReg);
if (FAILED(hr))
{
RegCloseKey(hkeyShell);
return hr;
}
}
ret = RegOpenKeyExW(hkeyShell, pszExtra ? pszExtra : pszExtraFromReg,
0, KEY_READ, &hkeyVerb);
HeapFree(GetProcessHeap(), 0, pszExtraFromReg);
RegCloseKey(hkeyShell);
if (ret != ERROR_SUCCESS)
return HRESULT_FROM_WIN32(ret);
ret = RegOpenKeyExW(hkeyVerb, commandW, 0, KEY_READ, &hkeyCommand);
RegCloseKey(hkeyVerb);
if (ret != ERROR_SUCCESS)
return HRESULT_FROM_WIN32(ret);
hr = ASSOC_GetValue(hkeyCommand, &pszCommand);
RegCloseKey(hkeyCommand);
if (FAILED(hr))
return hr;
/* cleanup pszCommand */
if (pszCommand[0] == '"')
{
pszStart = pszCommand + 1;
pszEnd = strchrW(pszStart, '"');
}
else
{
pszStart = pszCommand;
pszEnd = strchrW(pszStart, ' ');
}
if (pszEnd)
*pszEnd = 0;
len = SearchPathW(NULL, pszStart, NULL, MAX_PATH, path, NULL);
HeapFree(GetProcessHeap(), 0, pszCommand);
if (!len)
return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
len++;
if (pszOut)
{