Source code of Windows XP (NT5)
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/*****************************************************************************
*
* sdview.cpp
*
* Lame SD Viewer app.
*
*****************************************************************************/
#include "sdview.h"
HINSTANCE g_hinst;
HCURSOR g_hcurWait;
HCURSOR g_hcurArrow;
HCURSOR g_hcurAppStarting;
LONG g_lThreads;
UINT g_wShowWindow;
CGlobals GlobalSettings;
/*****************************************************************************
*
* Stubs - will be filled in with goodies eventually
*
*****************************************************************************/
DWORD CALLBACK CFileOut_ThreadProc(LPVOID lpParameter)
{
MessageBox(NULL, RECAST(LPTSTR, lpParameter), TEXT("fileout"), MB_OK);
return EndThreadTask(0);
}
#if 0
DWORD CALLBACK COpened_ThreadProc(LPVOID lpParameter)
{
MessageBox(NULL, RECAST(LPTSTR, lpParameter), TEXT("opened"), MB_OK);
return EndThreadTask(0);
}
#endif
/*****************************************************************************
*
* Eschew the C runtime. Also, bonus-initialize memory to zero.
*
*****************************************************************************/
void * __cdecl operator new(size_t cb)
{
return RECAST(LPVOID, LocalAlloc(LPTR, cb));
}
void __cdecl operator delete(void *pv)
{
LocalFree(RECAST(HLOCAL, pv));
}
int __cdecl _purecall(void)
{
return 0;
}
/*****************************************************************************
*
* Assertion goo
*
*****************************************************************************/
#ifdef DEBUG
void AssertFailed(char *psz, char *pszFile, int iLine)
{
static BOOL fAsserting = FALSE;
if (!fAsserting) {
fAsserting = TRUE;
String strTitle(TEXT("Assertion failed - "));
strTitle << pszFile << TEXT(" - line ") << iLine;
MessageBox(NULL, psz, strTitle, MB_OK);
fAsserting = FALSE;
}
}
#endif
/*****************************************************************************
*
* LaunchThreadTask
*
*****************************************************************************/
BOOL LaunchThreadTask(LPTHREAD_START_ROUTINE pfn, LPCTSTR pszArgs)
{
BOOL fSuccess = FALSE;
LPTSTR psz = StrDup(pszArgs);
if (psz) {
InterlockedIncrement(&g_lThreads);
if (_QueueUserWorkItem(pfn, CCAST(LPTSTR, psz), WT_EXECUTELONGFUNCTION)) {
fSuccess = TRUE;
} else {
LocalFree(psz);
InterlockedDecrement(&g_lThreads);
}
}
return fSuccess;
}
/*****************************************************************************
*
* EndThreadTask
*
* When a task finishes, exit with "return EndThreadTask(dwExitCode)".
* This decrements the count of active thread tasks and terminates
* the process if this is the last one.
*
*****************************************************************************/
DWORD
EndThreadTask(DWORD dwExitCode)
{
if (InterlockedDecrement(&g_lThreads) <= 0) {
ExitProcess(dwExitCode);
}
return dwExitCode;
}
/*****************************************************************************
*
* Listview stuff
*
*****************************************************************************/
int ListView_GetCurSel(HWND hwnd)
{
return ListView_GetNextItem(hwnd, -1, LVNI_FOCUSED);
}
void ListView_SetCurSel(HWND hwnd, int iIndex)
{
ListView_SetItemState(hwnd, iIndex,
LVIS_SELECTED | LVIS_FOCUSED,
LVIS_SELECTED | LVIS_FOCUSED);
}
int ListView_GetSubItemText(HWND hwnd, int iItem, int iSubItem, LPTSTR pszBuf, int cch)
{
LVITEM lvi;
lvi.iSubItem = iSubItem;
lvi.pszText= pszBuf;
lvi.cchTextMax = cch;
return (int)::SendMessage(hwnd, LVM_GETITEMTEXT, iItem, RECAST(LPARAM, &lvi));
}
void ChangeTabsToSpaces(LPTSTR psz)
{
while ((psz = StrChr(psz, TEXT('\t'))) != NULL) *psz = TEXT(' ');
}
/*****************************************************************************
*
* LoadPopupMenu
*
*****************************************************************************/
HMENU LoadPopupMenu(LPCTSTR pszMenu)
{
HMENU hmenuParent = LoadMenu(g_hinst, pszMenu);
if (hmenuParent) {
HMENU hmenuPopup = GetSubMenu(hmenuParent, 0);
RemoveMenu(hmenuParent, 0, MF_BYPOSITION);
DestroyMenu(hmenuParent);
return hmenuPopup;
} else {
return NULL;
}
}
/*****************************************************************************
*
* EnableDisableOrRemoveMenuItem
*
* Enable, disable or remove, accordingly.
*
*****************************************************************************/
void EnableDisableOrRemoveMenuItem(HMENU hmenu, UINT id, BOOL fEnable, BOOL fDelete)
{
if (fEnable) {
EnableMenuItem(hmenu, id, MF_BYCOMMAND | MF_ENABLED);
} else if (fDelete) {
DeleteMenu(hmenu, id, MF_BYCOMMAND);
} else {
EnableMenuItem(hmenu, id, MF_BYCOMMAND | MF_DISABLED | MF_GRAYED);
}
}
/*****************************************************************************
*
* MakeMenuPretty
*
* Remove separators at the top and at the bottom, and collapse
* multiple consecutive separators.
*
*****************************************************************************/
void MakeMenuPretty(HMENU hmenu)
{
BOOL fPrevSep = TRUE;
int iCount = GetMenuItemCount(hmenu);
for (int iItem = 0; iItem < iCount; iItem++) {
UINT uiState = GetMenuState(hmenu, 0, MF_BYPOSITION);
if (uiState & MF_SEPARATOR) {
if (fPrevSep) {
DeleteMenu(hmenu, iItem, MF_BYPOSITION);
iCount--;
iItem--; // Will be incremented by loop control
}
fPrevSep = TRUE;
} else {
fPrevSep = FALSE;
}
}
if (iCount && fPrevSep) {
DeleteMenu(hmenu, iCount - 1, MF_BYPOSITION);
}
}
/*****************************************************************************
*
* JiggleMouse
*
*
* Jiggle the mouse to force a cursor recomputation.
*
*****************************************************************************/
void JiggleMouse()
{
POINT pt;
if (GetCursorPos(&pt)) {
SetCursorPos(pt.x, pt.y);
}
}
/*****************************************************************************
*
* BGTask
*
*****************************************************************************/
BGTask::~BGTask()
{
if (_hDone) {
/*
* Theoretically we don't need to pump messages because
* we destroyed all the windows we created so our thread
* should be clear of any windows. Except that Cicero will
* secretly create a window on our thread, so we have
* to pump messages anyway...
*/
while (MsgWaitForMultipleObjects(1, &_hDone, FALSE,
INFINITE, QS_ALLINPUT) == WAIT_OBJECT_0+1) {
MSG msg;
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
CloseHandle(_hDone);
}
}
BOOL BGTask::BGStartTask(LPTHREAD_START_ROUTINE pfn, LPVOID Context)
{
ASSERT(!_fPending);
if (BGConstructed()) {
/*
* Must reset before queueing the work item to avoid a race where
* the work item completes before we return from the Queue call.
*/
ResetEvent(_hDone);
_fPending = QueueUserWorkItem(pfn, Context, WT_EXECUTELONGFUNCTION);
if (_fPending) {
JiggleMouse();
} else {
BGEndTask(); // pretend task completed (because it never started)
}
}
return _fPending;
}
void BGTask::BGEndTask()
{
SetEvent(_hDone);
_fPending = FALSE;
JiggleMouse();
}
LRESULT BGTask::BGFilterSetCursor(LRESULT lres)
{
if (BGTaskPending()) {
if (GetCursor() == g_hcurArrow) {
SetCursor(g_hcurAppStarting);
lres = TRUE;
}
}
return lres;
}
/*****************************************************************************
*
* PremungeFileSpec
*
* Due to complex view specifications this can be led astray when "..."
* gets involved. As a workaround (HACK!) we change "..." to "???",
* do the mapping, then map back.
*
* We choose "???" because it has so many magical properties...
*
* - not a valid filename, so cannot match a local file specification.
* - not a valid Source Depot wildcard, so cannot go wild on the server,
* - not a single question mark, which SD treats as equivalent to "help".
* - same length as "..." so can be updated in place.
*
* Any revision specifiers remain attached to the string.
*
*****************************************************************************/
void _ChangeTo(LPTSTR psz, LPCTSTR pszFrom, LPCTSTR pszTo)
{
ASSERT(lstrlen(pszFrom) == lstrlen(pszTo));
while ((psz = StrStr(psz, pszFrom)) != NULL) {
memcpy(psz, pszTo, lstrlen(pszTo) * sizeof(pszTo[0]));
}
}
void PremungeFilespec(LPTSTR psz)
{
_ChangeTo(psz, TEXT("..."), TEXT("???"));
}
void PostmungeFilespec(LPTSTR psz)
{
_ChangeTo(psz, TEXT("???"), TEXT("..."));
}
/*****************************************************************************
*
* MapToXPath
*
*****************************************************************************/
BOOL MapToXPath(LPCTSTR pszSD, String& strOut, MAPTOX X)
{
if (X == MAPTOX_DEPOT) {
//
// Early-out: Is it already a full depot path?
//
if (pszSD[0] == TEXT('/')) {
strOut = pszSD;
return TRUE;
}
}
//
// Borrow strOut to compose the query string.
//
Substring ssPath;
strOut.Reset();
if (Parse(TEXT("$p"), pszSD, &ssPath) && ssPath.Length() > 0) {
strOut << ssPath;
} else {
return FALSE;
}
PremungeFilespec(strOut);
String str;
str << TEXT("where ") << QuoteSpaces(strOut);
WaitCursor wait;
SDChildProcess proc(str);
IOBuffer buf(proc.Handle());
while (buf.NextLine(str)) {
str.Chomp();
Substring rgss[3];
if (rgss[2].SetStart(Parse(TEXT("$P $P "), str, rgss))) {
PostmungeFilespec(str);
rgss[2].SetEnd(str + str.Length());
strOut.Reset();
strOut << rgss[X] << ssPath._pszMax;
return TRUE;
}
}
return FALSE;
}
/*****************************************************************************
*
* MapToLocalPath
*
* MapToXPath does most of the work, but then we have to do some
* magic munging if we are running from a fake directory.
*
*****************************************************************************/
BOOL MapToLocalPath(LPCTSTR pszSD, String& strOut)
{
BOOL fSuccess = MapToXPath(pszSD, strOut, MAPTOX_LOCAL);
if (fSuccess && !GlobalSettings.GetFakeDir().IsEmpty()) {
if (strOut.BufferLength() < MAX_PATH) {
if (!strOut.Grow(MAX_PATH - strOut.BufferLength())) {
return FALSE; // Out of memory
}
}
LPCTSTR pszRest = strOut + lstrlen(GlobalSettings.GetFakeDir());
if (*pszRest == TEXT('\\')) {
pszRest++;
}
PathCombine(strOut.Buffer(), GlobalSettings.GetLocalRoot(), pszRest);
fSuccess = TRUE;
}
return fSuccess;
}
/*****************************************************************************
*
* SpawnProcess
*
*****************************************************************************/
BOOL SpawnProcess(LPTSTR pszCommand)
{
STARTUPINFO si = { 0 };
PROCESS_INFORMATION pi;
BOOL fSuccess = CreateProcess(NULL, pszCommand, NULL, NULL, FALSE, 0,
NULL, NULL, &si, &pi);
if (fSuccess) {
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
}
return fSuccess;
}
/*****************************************************************************
*
* WindiffChangelist
*
*****************************************************************************/
void WindiffChangelist(int iChange)
{
if (iChange > 0) {
String str;
str << TEXT("windiff.exe -ld") << iChange;
SpawnProcess(str);
}
}
/*****************************************************************************
*
* WindiffOneChange
*
*****************************************************************************/
void WindiffOneChange(LPTSTR pszPath)
{
Substring rgss[2];
if (Parse(TEXT("$P#$d$e"), pszPath, rgss)) {
String str;
str << TEXT("windiff.exe ");
rgss[0].Finalize();
int iVersion = StrToInt(rgss[1].Start());
if (iVersion > 1) {
/* Edit is easy */
str << QuoteSpaces(rgss[0].Start()) << TEXT("#") << (iVersion - 1);
} else {
/* Add uses NUL as the base file */
str << TEXT("NUL");
}
str << TEXT(' ');
str << QuoteSpaces(rgss[0].Start()) << TEXT("#") << iVersion;
SpawnProcess(str);
}
}
/*****************************************************************************
*
* ParseBugNumber
*
* See if there's a bug number in there.
*
* Digits at the beginning - bug number.
* Digits after a space or punctuation mark - bug number.
* Digits after the word "bug" or the letter "B" - bug number.
*
* A valid bug number must begin with a nonzero digit.
*
*****************************************************************************/
int ParseBugNumber(LPCTSTR psz)
{
Substring ss;
LPCTSTR pszStart = psz;
while (*psz) {
if (IsDigit(*psz)) {
if (*psz == TEXT('0')) {
// Nope, cannot begin with zero
} else if (psz == pszStart) {
return StrToInt(psz); // woo-hoo!
} else switch (psz[-1]) {
case 'B':
case 'g':
case 'G':
return StrToInt(psz); // Comes after a B or a G
default:
if (!IsAlpha(psz[-1])) {
return StrToInt(psz); // Comes after a space or punctuation
}
}
// Phooey, a digit string beginning with 0; not a bug.
while (IsDigit(*psz)) psz++;
} else {
psz++;
}
}
return 0;
}
/*****************************************************************************
*
* ParseBugNumberFromSubItem
*
* Sometimes we use this just to parse regular numbers since regular
* numbers pass the Bug Number Test.
*
*****************************************************************************/
int ParseBugNumberFromSubItem(HWND hwnd, int iItem, int iSubItem)
{
TCHAR sz[MAX_PATH];
sz[0] = TEXT('\0');
if (iItem >= 0) {
ListView_GetSubItemText(hwnd, iItem, iSubItem, sz, ARRAYSIZE(sz));
}
return ParseBugNumber(sz);
}
/*****************************************************************************
*
* AdjustBugMenu
*
*****************************************************************************/
inline void _TrimAtTab(LPTSTR psz)
{
psz = StrChr(psz, TEXT('\t'));
if (psz) *psz = TEXT('\0');
}
void AdjustBugMenu(HMENU hmenu, int iBug, BOOL fContextMenu)
{
TCHAR sz[MAX_PATH];
String str;
if (iBug) {
str << StringResource(IDS_VIEWBUG_FORMAT);
wnsprintf(sz, ARRAYSIZE(sz), str, iBug);
if (fContextMenu) {
_TrimAtTab(sz);
}
ModifyMenu(hmenu, IDM_VIEWBUG, MF_BYCOMMAND, IDM_VIEWBUG, sz);
} else {
str << StringResource(IDS_VIEWBUG_NONE);
ModifyMenu(hmenu, IDM_VIEWBUG, MF_BYCOMMAND, IDM_VIEWBUG, str);
}
EnableDisableOrRemoveMenuItem(hmenu, IDM_VIEWBUG, iBug, fContextMenu);
}
/*****************************************************************************
*
* OpenBugWindow
*
*****************************************************************************/
void OpenBugWindow(HWND hwnd, int iBug)
{
String str;
GlobalSettings.FormatBugUrl(str, iBug);
LPCTSTR pszArgs = PathGetArgs(str);
PathRemoveArgs(str);
PathUnquoteSpaces(str);
_AllowSetForegroundWindow(-1);
ShellExecute(hwnd, NULL, str, pszArgs, 0, SW_NORMAL);
}
/*****************************************************************************
*
* SetClipboardText
*
*****************************************************************************/
#ifdef UNICODE
#define CF_TSTR CF_UNICODETEXT
#else
#define CF_TSTR CF_TEXT
#endif
void SetClipboardText(HWND hwnd, LPCTSTR psz)
{
if (OpenClipboard(hwnd)) {
EmptyClipboard();
int cch = lstrlen(psz) + 1;
HGLOBAL hglob = GlobalAlloc(GMEM_MOVEABLE, cch * sizeof(*psz));
if (hglob) {
LPTSTR pszCopy = RECAST(LPTSTR, GlobalLock(hglob));
if (pszCopy) {
lstrcpy(pszCopy, psz);
GlobalUnlock(hglob);
if (SetClipboardData(CF_TSTR, hglob)) {
hglob = NULL; // ownership transfer
}
}
if (hglob) {
GlobalFree(hglob);
}
}
CloseClipboard();
}
}
/*****************************************************************************
*
* ContainsWildcards
*
* The SD wildcards are
*
* * (asterisk)
* ... (ellipsis)
* %n (percent sign followed by anything)
* (null) (null string -- shorthand for "//...")
*
*****************************************************************************/
BOOL ContainsWildcards(LPCTSTR psz)
{
if (*psz == TEXT('#') || *psz == TEXT('@') || *psz == TEXT('\0')) {
return TRUE; // Null string wildcard
}
for (; *psz; psz++) {
if (*psz == TEXT('*') || *psz == TEXT('%')) {
return TRUE;
}
if (psz[0] == TEXT('.') && psz[1] == TEXT('.') && psz[2] == TEXT('.')) {
return TRUE;
}
}
return FALSE;
}
/*****************************************************************************
*
* Downlevel support
*
*****************************************************************************/
#ifdef SUPPORT_DOWNLEVEL
/*
* If there is no thread pool, then chew an entire thread.
*/
BOOL WINAPI
Emulate_QueueUserWorkItem(LPTHREAD_START_ROUTINE pfn, LPVOID Context, ULONG Flags)
{
DWORD dwId;
HANDLE hThread = CreateThread(NULL, 0, pfn, Context, 0, &dwId);
if (hThread) {
CloseHandle(hThread);
return TRUE;
}
return FALSE;
}
BOOL WINAPI
Emulate_AllowSetForegroundWindow(DWORD dwProcessId)
{
return FALSE;
}
QUEUEUSERWORKITEM _QueueUserWorkItem;
ALLOWSETFOREGROUNDWINDOW _AllowSetForegroundWindow;
template<class T>
T GetProcFromModule(LPCTSTR pszModule, LPCSTR pszProc, T Default)
{
T t;
HMODULE hmod = GetModuleHandle(pszModule);
if (pszModule) {
t = RECAST(T, GetProcAddress(hmod, pszProc));
if (!t) {
t = Default;
}
} else {
t = Default;
}
return t;
}
#define GetProc(mod, fn) \
_##fn = GetProcFromModule(TEXT(mod), #fn, Emulate_##fn)
void InitDownlevel()
{
GetProc("KERNEL32", QueueUserWorkItem);
GetProc("USER32", AllowSetForegroundWindow);
}
#undef GetProc
#else
#define InitDownlevel()
#endif
/*****************************************************************************
*
* Main program stuff
*
*****************************************************************************/
LONG GetDllVersion(LPCTSTR pszDll)
{
HINSTANCE hinst = LoadLibrary(pszDll);
DWORD dwVersion = 0;
if (hinst) {
DLLGETVERSIONPROC DllGetVersion;
DllGetVersion = (DLLGETVERSIONPROC)GetProcAddress(hinst, "DllGetVersion");
if (DllGetVersion) {
DLLVERSIONINFO dvi;
dvi.cbSize = sizeof(dvi);
if (SUCCEEDED(DllGetVersion(&dvi))) {
dwVersion = MAKELONG(dvi.dwMinorVersion, dvi.dwMajorVersion);
}
}
// Leak the DLL - we're going to use him anyway
}
return dwVersion;
}
/*****************************************************************************
*
* Globals
*
*****************************************************************************/
BOOL InitGlobals()
{
g_hinst = GetModuleHandle(0);
g_hcurWait = LoadCursor(NULL, IDC_WAIT);
g_hcurArrow = LoadCursor(NULL, IDC_ARROW);
g_hcurAppStarting = LoadCursor(NULL, IDC_APPSTARTING);
if (GetDllVersion(TEXT("Comctl32.dll")) < MAKELONG(71, 4) ||
GetDllVersion(TEXT("Shlwapi.dll")) < MAKELONG(71, 4)) {
TCHAR sz[MAX_PATH];
LoadString(g_hinst, IDS_IE4, sz, ARRAYSIZE(sz));
//$$//BUGBUG// MessageBox(NULL, sz, g_szTitle, MB_OK);
return FALSE;
}
InitDownlevel();
InitCommonControls();
/*
* Get the SW_ flag for the first window.
*/
STARTUPINFOA si;
si.cb = sizeof(si);
si.dwFlags = 0;
GetStartupInfoA(&si);
if (si.dwFlags & STARTF_USESHOWWINDOW) {
g_wShowWindow = si.wShowWindow;
} else {
g_wShowWindow = SW_SHOWDEFAULT;
}
return TRUE;
}
void TermGlobals()
{
}
/*****************************************************************************
*
* Help
*
*****************************************************************************/
void Help(HWND hwnd, LPCTSTR pszAnchor)
{
TCHAR szSelf[MAX_PATH];
GetModuleFileName(g_hinst, szSelf, ARRAYSIZE(szSelf));
String str;
str << TEXT("res://") << szSelf << TEXT("/tips.htm");
if (pszAnchor) {
str << pszAnchor;
}
_AllowSetForegroundWindow(-1);
ShellExecute(hwnd, NULL, str, 0, 0, SW_NORMAL);
}
/*****************************************************************************
*
* CGlobals::Initialize
*
*****************************************************************************/
void CGlobals::Initialize()
{
/*
* The order of these three steps is important.
*
* - We have to get the path before we can call sd.
*
* - We need the "sd info" in order to determine what
* the proper fake directory is.
*/
_InitSdPath();
_InitInfo();
_InitFakeDir();
_InitServerVersion();
_InitBugPage();
}
/*****************************************************************************
*
* CGlobals::_InitSdPath
*
* The environment variable "SD" provides the path to the program to use.
* The default is "sd", but for debugging, you can set it to "fakesd",
* or if you're using that other company's product, you might even want
* to set it to that other company's program...
*
*****************************************************************************/
void CGlobals::_InitSdPath()
{
TCHAR szSd[MAX_PATH];
LPTSTR pszSdExe;
DWORD cb = GetEnvironmentVariable(TEXT("SD"), szSd, ARRAYSIZE(szSd));
if (cb == 0 || cb > ARRAYSIZE(szSd)) {
pszSdExe = TEXT("SD.EXE"); // Default value
} else {
pszSdExe = szSd;
}
cb = SearchPath(NULL, pszSdExe, TEXT(".exe"), ARRAYSIZE(_szSd), _szSd, NULL);
if (cb == 0 || cb > ARRAYSIZE(_szSd)) {
/*
* Not found on path, eek! Just use sd.exe and wait for the
* fireworks.
*/
lstrcpyn(_szSd, TEXT("SD.EXE"), ARRAYSIZE(_szSd));
}
}
/*****************************************************************************
*
* CGlobals::_InitInfo
*
* Collect the results of the "sd info" command.
*
*****************************************************************************/
void CGlobals::_InitInfo()
{
static const LPCTSTR s_rgpsz[] = {
TEXT("User name: "),
TEXT("Client name: "),
TEXT("Client root: "),
TEXT("Current directory: "),
TEXT("Server version: "),
};
COMPILETIME_ASSERT(ARRAYSIZE(s_rgpsz) == ARRAYSIZE(_rgpszSettings));
WaitCursor wait;
SDChildProcess proc(TEXT("info"));
IOBuffer buf(proc.Handle());
String str;
while (buf.NextLine(str)) {
str.Chomp();
int i;
for (i = 0; i < ARRAYSIZE(s_rgpsz); i++) {
LPTSTR pszRest = Parse(s_rgpsz[i], str, NULL);
if (pszRest) {
_rgpszSettings[i] = pszRest;
}
}
}
}
/*****************************************************************************
*
* CGlobals::_InitFakeDir
*
* See if the user is borrowing another person's enlistment.
* If so, then virtualize the directory (by walking the tree
* looking for an sd.ini file) to keep sd happy.
*
* DO NOT WHINE if anything is wrong. Magical resolution of
* borrowed directories is just a nicety.
*
*****************************************************************************/
void CGlobals::_InitFakeDir()
{
/*
* If the client root is not a prefix of the current directory,
* then cook up a virtual current directory that will keep sd happy.
*/
_StringCache& pszClientRoot = _rgpszSettings[SETTING_CLIENTROOT];
_StringCache& pszLocalDir = _rgpszSettings[SETTING_LOCALDIR];
if (!pszClientRoot.IsEmpty() && !pszLocalDir.IsEmpty() &&
!PathIsPrefix(pszClientRoot, pszLocalDir)) {
TCHAR szDir[MAX_PATH];
TCHAR szOriginalDir[MAX_PATH];
TCHAR szSdIni[MAX_PATH];
szDir[0] = TEXT('\0');
GetCurrentDirectory(ARRAYSIZE(szDir), szDir);
if (!szDir[0]) return; // Freaky
lstrcpyn(szOriginalDir, szDir, ARRAYSIZE(szOriginalDir));
do {
PathCombine(szSdIni, szDir, TEXT("sd.ini"));
if (PathFileExists(szSdIni)) {
_pszLocalRoot = szDir;
//
// Now work from the root back to the current directory.
//
LPTSTR pszSuffix = szOriginalDir + lstrlen(szDir);
if (pszSuffix[0] == TEXT('\\')) {
pszSuffix++;
}
PathCombine(szSdIni, _rgpszSettings[SETTING_CLIENTROOT], pszSuffix);
_pszFakeDir = szSdIni;
break;
}
} while (PathRemoveFileSpec(szDir));
}
}
/*****************************************************************************
*
* CGlobals::_InitServerVersion
*
*****************************************************************************/
void CGlobals::_InitServerVersion()
{
Substring rgss[5];
if (Parse(TEXT("$w $d.$d.$d.$d"), _rgpszSettings[SETTING_SERVERVERSION], rgss)) {
for (int i = 0; i < VERSION_MAX; i++) {
_rguiVer[i] = StrToInt(rgss[1+i].Start());
}
}
}
/*****************************************************************************
*
* CGlobals::_InitBugPage
*
*****************************************************************************/
void CGlobals::_InitBugPage()
{
TCHAR szRaid[MAX_PATH];
DWORD cb = GetEnvironmentVariable(TEXT("SDVRAID"), szRaid, ARRAYSIZE(szRaid));
if (cb == 0 || cb > ARRAYSIZE(szRaid)) {
LoadString(g_hinst, IDS_DEFAULT_BUGPAGE, szRaid, ARRAYSIZE(szRaid));
}
LPTSTR pszSharp = StrChr(szRaid, TEXT('#'));
if (pszSharp) {
*pszSharp++ = TEXT('\0');
}
_pszBugPagePre = szRaid;
_pszBugPagePost = pszSharp;
}
/*****************************************************************************
*
* CommandLineParser
*
*****************************************************************************/
class CommandLineParser
{
public:
CommandLineParser() : _tok(GetCommandLine()) {}
BOOL ParseCommandLine();
void Invoke();
private:
BOOL ParseMetaParam();
BOOL TokenWithUndo();
void UndoToken() { _tok.Restart(_pszUndo); }
private:
Tokenizer _tok;
LPCTSTR _pszUndo;
LPTHREAD_START_ROUTINE _pfn;
String _str;
};
BOOL CommandLineParser::TokenWithUndo()
{
_pszUndo = _tok.Unparsed();
return _tok.Token(_str);
}
BOOL CommandLineParser::ParseMetaParam()
{
switch (_str[2]) {
case TEXT('s'):
if (_str[3] == TEXT('\0')) {
_tok.Token(_str);
GlobalSettings.SetSdOpts(_str);
} else {
GlobalSettings.SetSdOpts(_str+3);
}
break;
case TEXT('#'):
switch (_str[3]) {
case TEXT('+'):
case TEXT('\0'):
GlobalSettings.SetChurn(TRUE);
break;
case TEXT('-'):
GlobalSettings.SetChurn(FALSE);
break;
default:
return FALSE;
}
break;
default:
return FALSE;
}
return TRUE;
}
BOOL CommandLineParser::ParseCommandLine()
{
_tok.Token(_str); // Throw away program name
/*
* First collect the meta-parameters. These begin with two dashes.
*/
while (TokenWithUndo()) {
if (_str[0] == TEXT('-') && _str[1] == TEXT('-')) {
if (!ParseMetaParam()) {
return FALSE;
}
} else {
break;
}
}
/*
* Next thing had better be a command!
*/
if (lstrcmpi(_str, TEXT("changes")) == 0) {
_pfn = CChanges_ThreadProc;
} else if (lstrcmpi(_str, TEXT("describe")) == 0) {
_pfn = CDescribe_ThreadProc;
} else if (lstrcmpi(_str, TEXT("filelog")) == 0) {
_pfn = CFileLog_ThreadProc;
} else if (lstrcmpi(_str, TEXT("fileout")) == 0) {
_pfn = CFileOut_ThreadProc;
} else if (lstrcmpi(_str, TEXT("opened")) == 0) {
_pfn = COpened_ThreadProc;
} else {
/*
* Eek! Must use psychic powers!
*/
Substring ss;
if (_str[0] == TEXT('\0')) {
/*
* If no args, then it's "changes".
*/
_pfn = CChanges_ThreadProc;
} else if (_str[0] == TEXT('-')) {
/*
* If it begins with a dash, then it's "changes".
*/
_pfn = CChanges_ThreadProc;
} else if (Parse(TEXT("$d$e"), _str, &ss)) {
/*
* If first word is all digits, then it's "describe".
*/
_pfn = CDescribe_ThreadProc;
} else if (_tok.Finished() && !ContainsWildcards(_str)) {
/*
* If only one argument that contains no wildcards,
* then it's "filelog".
*/
_pfn = CFileLog_ThreadProc;
} else {
/*
* If all else fails, assume "changes".
*/
_pfn = CChanges_ThreadProc;
}
UndoToken(); /* Undo all the tokens we accidentally ate */
}
return TRUE;
}
void CommandLineParser::Invoke()
{
LPTSTR psz = StrDup(_tok.Unparsed());
if (psz) {
InterlockedIncrement(&g_lThreads);
ExitThread(_pfn(psz));
}
}
/*****************************************************************************
*
* Entry
*
* Program entry point.
*
*****************************************************************************/
EXTERN_C void PASCAL
Entry(void)
{
if (InitGlobals()) {
CommandLineParser parse;
if (!parse.ParseCommandLine()) {
Help(NULL, NULL);
} else {
GlobalSettings.Initialize();
parse.Invoke();
}
}
ExitProcess(0);
}