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openclonk/src/platform/StdRegistry.cpp

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/*
* OpenClonk, http://www.openclonk.org
*
* Copyright (c) 1998-2000, 2004-2005, 2007 Matthes Bender
* Copyright (c) 2005-2006 Peter Wortmann
* Copyright (c) 2006 Sven Eberhardt
* Copyright (c) 2009 Günther Brammer
* Copyright (c) 2010 Armin Burgmeier
* Copyright (c) 2010 Caesar
* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de
*
* Portions might be copyrighted by other authors who have contributed
* to OpenClonk.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
* See isc_license.txt for full license and disclaimer.
*
* "Clonk" is a registered trademark of Matthes Bender.
* See clonk_trademark_license.txt for full license.
*/
/* Some wrappers for easier access to the Windows registry */
#include "C4Include.h"
#include <StdRegistry.h>
#ifdef _WIN32
#include <C4windowswrapper.h>
#include <stdio.h>
bool DeleteRegistryValue(const char *szSubKey, const char *szValueName)
{
return DeleteRegistryValue(HKEY_CURRENT_USER,szSubKey,szValueName);
}
bool DeleteRegistryValue(HKEY hKey, const char *szSubKey, const char *szValueName)
{
long qerr;
HKEY ckey;
// Open the key
if ((qerr=RegOpenKeyEx(hKey,
szSubKey,
0,
KEY_ALL_ACCESS,
&ckey
))!=ERROR_SUCCESS) return false;
// Delete the key
if ((qerr=RegDeleteValue(ckey,
szValueName
))!=ERROR_SUCCESS) return false;
// Close the key
RegCloseKey(ckey);
// Success
return true;
}
bool SetRegistryDWord(const char *szSubKey, const char *szValueName, DWORD dwValue)
{
return SetRegistryDWord(HKEY_CURRENT_USER,szSubKey,szValueName,dwValue);
}
bool GetRegistryDWord(const char *szSubKey, const char *szValueName, DWORD *lpdwValue)
{
return GetRegistryDWord(HKEY_CURRENT_USER,szSubKey,szValueName,lpdwValue);
}
bool GetRegistryDWord(HKEY hKey, const char *szSubKey, const char *szValueName, DWORD *lpdwValue)
{
long qerr;
HKEY ckey;
DWORD valtype;
DWORD valsize=sizeof(DWORD);
// Open the key
if ((qerr=RegOpenKeyEx(hKey,
szSubKey,
0,
KEY_READ,
&ckey
))!=ERROR_SUCCESS) return false;
// Get the value
if ((qerr=RegQueryValueEx(ckey,
szValueName,
NULL,
&valtype,
(BYTE*) lpdwValue,
&valsize
))!=ERROR_SUCCESS) { RegCloseKey(ckey); return false; }
// Close the key
RegCloseKey(ckey);
if (valtype!=REG_DWORD) return false;
return true;
}
bool SetRegistryDWord(HKEY hKey, const char *szSubKey, const char *szValueName, DWORD dwValue)
{
long qerr;
HKEY ckey;
DWORD disposition;
// Open the key
if ((qerr=RegCreateKeyEx(hKey,
szSubKey,
0,
"",
REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS,
NULL,
&ckey,
&disposition
))!=ERROR_SUCCESS) return false;
// Set the value
if ((qerr=RegSetValueEx(ckey,
szValueName,
0,
REG_DWORD,
(BYTE*) &dwValue,
sizeof(dwValue)
))!=ERROR_SUCCESS) { RegCloseKey(ckey); return false; }
// Close the key
RegCloseKey(ckey);
// Success
return true;
}
bool GetRegistryString(const char *szSubKey,
const char *szValueName,
char *sValue, DWORD dwValSize)
{
long qerr;
HKEY ckey;
DWORD valtype;
// Open the key
if ((qerr=RegOpenKeyEx(HKEY_CURRENT_USER,
szSubKey,
0,
KEY_READ,
&ckey
))!=ERROR_SUCCESS) return false;
// Get the value
if ((qerr=RegQueryValueEx(ckey,
szValueName,
NULL,
&valtype,
(BYTE*) sValue,
&dwValSize
))!=ERROR_SUCCESS) { RegCloseKey(ckey); return false; }
// Close the key
RegCloseKey(ckey);
if (valtype!=REG_SZ) return false;
return true;
}
bool SetRegistryString(const char *szSubKey,
const char *szValueName,
const char *szValue)
{
long qerr;
HKEY ckey;
DWORD disposition;
// Open the key
if ((qerr=RegCreateKeyEx(HKEY_CURRENT_USER,
szSubKey,
0,
"",
REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS,
NULL,
&ckey,
&disposition
))!=ERROR_SUCCESS) return false;
// Set the value
if ((qerr=RegSetValueEx(ckey,
szValueName,
0,
REG_SZ,
(BYTE*) szValue,
SLen(szValue)+1
))!=ERROR_SUCCESS) { RegCloseKey(ckey); return false; }
// Close the key
RegCloseKey(ckey);
return true;
}
bool DeleteRegistryKey(HKEY hKey, const char *szSubKey)
{
HKEY ckey;
// Open the key
if (RegOpenKeyEx(hKey, szSubKey, 0, KEY_ALL_ACCESS, &ckey) != ERROR_SUCCESS) return false;
// Delete all subkeys
char strChild[1024 + 1];
while (RegEnumKey(ckey, 0, strChild, 1024) == ERROR_SUCCESS)
if (!DeleteRegistryKey(ckey, strChild))
return false;
// Close the key
RegCloseKey(ckey);
// Delete the key
if (RegDeleteKey(hKey, szSubKey) != ERROR_SUCCESS) return false;
// Success
return true;
}
bool DeleteRegistryKey(const char *szSubKey)
{
return DeleteRegistryKey(HKEY_CURRENT_USER, szSubKey);
}
bool SetRegClassesRoot(const char *szSubKey,
const char *szValueName,
const char *szStringValue)
{
long qerr;
HKEY ckey;
DWORD disposition;
// Open the key
if ((qerr=RegCreateKeyEx(HKEY_CLASSES_ROOT,
szSubKey,
0,
"",
REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS,
NULL,
&ckey,
&disposition
))!=ERROR_SUCCESS) return false;
// Set the value
if ((qerr=RegSetValueEx(ckey,
szValueName,
0,
REG_SZ,
(BYTE*) szStringValue,
SLen(szStringValue)+1
))!=ERROR_SUCCESS) { RegCloseKey(ckey); return false; }
// Close the key
RegCloseKey(ckey);
return true;
}
bool SetRegClassesRootString(const char *szSubKey,
const char *szValueName,
const char *szValue)
{
long qerr;
HKEY ckey;
DWORD disposition;
// Open the key
if ((qerr=RegCreateKeyEx(HKEY_CLASSES_ROOT,
szSubKey,
0,
"",
REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS,
NULL,
&ckey,
&disposition
))!=ERROR_SUCCESS) return false;
// Set the value
if ((qerr=RegSetValueEx(ckey,
szValueName,
0,
REG_SZ,
(BYTE*) szValue,
SLen(szValue)+1
))!=ERROR_SUCCESS) { RegCloseKey(ckey); return false; }
// Close the key
RegCloseKey(ckey);
return true;
}
bool SetRegShell(const char *szClassName,
const char *szShellName,
const char *szShellCaption,
const char *szCommand,
bool fMakeDefault)
{
char szKeyName[256+1];
// Set shell caption
sprintf(szKeyName,"%s\\Shell\\%s",szClassName,szShellName);
if (!SetRegClassesRoot(szKeyName, NULL, szShellCaption)) return false;
// Set shell command
sprintf(szKeyName,"%s\\Shell\\%s\\Command",szClassName,szShellName);
if (!SetRegClassesRoot(szKeyName, NULL, szCommand)) return false;
// Set as default command
if (fMakeDefault)
{
sprintf(szKeyName, "%s\\Shell", szClassName);
if (!SetRegClassesRoot(szKeyName, NULL, szShellName)) return false;
}
return true;
}
bool RemoveRegShell(const char *szClassName,
const char *szShellName)
{
char strKey[256+1];
sprintf(strKey, "%s\\Shell\\%s", szClassName, szShellName);
if (!DeleteRegistryKey(HKEY_CLASSES_ROOT, strKey)) return false;
return true;
}
bool SetRegFileClass(const char *szClassRoot,
const char *szExtension,
const char *szClassName,
const char *szIconPath, int iIconNum,
const char *szContentType)
{
char keyname[100];
char iconpath[512];
// Create root class entry
if (!SetRegClassesRoot(szClassRoot,NULL,szClassName)) return false;
// Set root class icon
sprintf(keyname,"%s\\DefaultIcon",szClassRoot);
sprintf(iconpath,"%s,%d",szIconPath,iIconNum);
if (!SetRegClassesRoot(keyname,NULL,iconpath)) return false;
// Set extension map entry
sprintf(keyname,".%s",szExtension);
if (!SetRegClassesRoot(keyname,NULL,szClassRoot)) return false;
// Set extension content type
sprintf(keyname,".%s",szExtension);
if (!SetRegClassesRootString(keyname,"Content Type",szContentType)) return false;
// Success
return true;
}
//------------------------------ Window Position ------------------------------------------
bool StoreWindowPosition(HWND hwnd,
const char *szWindowName,
const char *szSubKey,
bool fStoreSize)
{
RECT winpos;
char regstr[100];
if (IsZoomed(hwnd))
return SetRegistryString(szSubKey,szWindowName,"Maximized");
if (IsIconic(hwnd))
return SetRegistryString(szSubKey,szWindowName,"Minimized");
if (!GetWindowRect(hwnd,&winpos)) return false;
if (fStoreSize) sprintf(regstr,"%ld,%ld,%ld,%ld",winpos.left,winpos.top,winpos.right-winpos.left,winpos.bottom-winpos.top);
else sprintf(regstr,"%ld,%ld",winpos.left,winpos.top);
return SetRegistryString(szSubKey,szWindowName,regstr);
}
bool RestoreWindowPosition(HWND hwnd,
const char *szWindowName,
const char *szSubKey,
bool fHidden)
{
char regstr[100],buffer2[5];
int x,y,wdt,hgt;
bool fSetSize=true;
// No position stored: cannot restore
if (!GetRegistryString(szSubKey,szWindowName,regstr,100))
return false;
if (SEqual(regstr,"Maximized"))
return !!ShowWindow(hwnd,SW_MAXIMIZE | SW_NORMAL);
if (SEqual(regstr,"Minimized"))
return !!ShowWindow(hwnd,SW_MINIMIZE | SW_NORMAL);
SCopySegment(regstr,0,buffer2,',',4); sscanf(buffer2,"%i",&x);
SCopySegment(regstr,1,buffer2,',',4); sscanf(buffer2,"%i",&y);
if (SCopySegment(regstr,2,buffer2,',',4)) sscanf(buffer2,"%i",&wdt); else fSetSize=false;
if (SCopySegment(regstr,3,buffer2,',',4)) sscanf(buffer2,"%i",&hgt); else fSetSize=false;
if (!fSetSize)
{
RECT winpos; if (!GetWindowRect(hwnd,&winpos)) return false;
wdt=winpos.right-winpos.left; hgt=winpos.bottom-winpos.top;
}
// Move window
WINDOWPLACEMENT wp; memset(&wp, 0, sizeof(WINDOWPLACEMENT)); wp.length = sizeof(WINDOWPLACEMENT);
GetWindowPlacement(hwnd, &wp);
RECT normalpos;
normalpos.left = x; normalpos.right = wdt + x;
normalpos.top = y; normalpos.bottom = hgt + y;
wp.rcNormalPosition = normalpos;
if (SetWindowPlacement(hwnd, &wp))
return false;
// Hide window
if (fHidden)
return !!ShowWindow(hwnd, SW_HIDE);
// Show window
return !!ShowWindow(hwnd, SW_NORMAL);
}
//------------------------------ Registry compiler ------------------------------------------
// *** StdCompilerConfigWrite
StdCompilerConfigWrite::StdCompilerConfigWrite(HKEY hRoot, const char *szPath)
: iDepth(0), pKey(new Key())
{
pKey->Name = szPath;
pKey->Handle = 0;
CreateKey(hRoot);
}
StdCompilerConfigWrite::~StdCompilerConfigWrite()
{
assert(!iDepth);
if (pKey->Handle) RegCloseKey(pKey->Handle);
delete pKey;
}
bool StdCompilerConfigWrite::Name(const char *szName)
{
// Open parent key (if not already done so)
CreateKey();
// Push new subkey onto the stack
Key *pnKey = new Key();
pnKey->Handle = 0;
pnKey->Name = szName;
pnKey->Parent = pKey;
pKey = pnKey;
iDepth++;
return true;
}
void StdCompilerConfigWrite::NameEnd(bool fBreak)
{
assert(iDepth);
// Close current key
if (pKey->Handle)
RegCloseKey(pKey->Handle);
// Pop
Key *poKey = pKey;
pKey = poKey->Parent;
delete poKey;
iDepth--;
}
bool StdCompilerConfigWrite::FollowName(const char *szName)
{
NameEnd(); return Name(szName);
}
bool StdCompilerConfigWrite::Default(const char *szName)
{
// Open parent
CreateKey();
// Remove key/value (failsafe)
RegDeleteKey(pKey->Handle, szName);
RegDeleteValue(pKey->Handle, szName);
// Handled
return true;
}
bool StdCompilerConfigWrite::Separator(Sep eSep)
{
excCorrupt("Separators not supported by registry compiler!");
return false;
}
void StdCompilerConfigWrite::DWord(int32_t &rInt)
{
WriteDWord(rInt);
}
void StdCompilerConfigWrite::DWord(uint32_t &rInt)
{
WriteDWord(rInt);
}
void StdCompilerConfigWrite::Word(int16_t &rInt)
{
WriteDWord(rInt);
}
void StdCompilerConfigWrite::Word(uint16_t &rInt)
{
WriteDWord(rInt);
}
void StdCompilerConfigWrite::Byte(int8_t &rInt)
{
WriteDWord(rInt);
}
void StdCompilerConfigWrite::Byte(uint8_t &rInt)
{
WriteDWord(rInt);
}
void StdCompilerConfigWrite::Boolean(bool &rBool)
{
WriteDWord(rBool ? 1 : 0);
}
void StdCompilerConfigWrite::Character(char &rChar)
{
WriteString(FormatString("%c", rChar).getData());
}
void StdCompilerConfigWrite::String(char *szString, size_t iMaxLength, RawCompileType eType)
{
WriteString(szString);
}
void StdCompilerConfigWrite::String(char **pszString, RawCompileType eType)
{
WriteString(pszString ? *pszString : "");
}
void StdCompilerConfigWrite::Raw(void *pData, size_t iSize, RawCompileType eType)
{
excCorrupt("Raw values aren't supported for registry compilers!");
}
void StdCompilerConfigWrite::Begin()
{
assert(!iDepth);
}
void StdCompilerConfigWrite::End()
{
assert(!iDepth);
}
void StdCompilerConfigWrite::CreateKey(HKEY hParent)
{
// Already open?
if (pKey->Handle)
return;
// Open/Create registry key
if (RegCreateKeyEx(hParent ? hParent : pKey->Parent->Handle,
pKey->Name.getData(),
0, "", REG_OPTION_NON_VOLATILE,
KEY_WRITE, NULL,
&pKey->Handle, NULL) != ERROR_SUCCESS)
excCorrupt("Could not create key %s!", pKey->Name.getData());
}
void StdCompilerConfigWrite::WriteDWord(uint32_t iVal)
{
// Set the value
if (RegSetValueEx(pKey->Parent->Handle, pKey->Name.getData(),
0, REG_DWORD, reinterpret_cast<const BYTE *>(&iVal),
sizeof(iVal)) != ERROR_SUCCESS)
excCorrupt("Could not write key %s!", pKey->Name.getData());
}
void StdCompilerConfigWrite::WriteString(const char *szString)
{
// Set the value
if (RegSetValueEx(pKey->Parent->Handle, pKey->Name.getData(),
0, REG_SZ, reinterpret_cast<const BYTE *>(szString),
strlen(szString) + 1) != ERROR_SUCCESS)
excCorrupt("Could not write key %s!", pKey->Name.getData());
}
// *** StdCompilerConfigRead
StdCompilerConfigRead::StdCompilerConfigRead(HKEY hRoot, const char *szPath)
: iDepth(0), pKey(new Key())
{
pKey->Name = szPath;
pKey->Virtual = false;
// Open root
if (RegOpenKeyEx(hRoot, szPath,
0, KEY_READ,
&pKey->Handle) != ERROR_SUCCESS)
pKey->Handle = 0;
}
StdCompilerConfigRead::~StdCompilerConfigRead()
{
assert(!iDepth);
if (pKey->Handle) RegCloseKey(pKey->Handle);
delete pKey;
}
bool StdCompilerConfigRead::Name(const char *szName)
{
bool fFound = true;
// Try to open registry key
HKEY hSubKey; DWORD dwType = 0;
if (RegOpenKeyEx(pKey->Handle, szName,
0, KEY_READ,
&hSubKey) != ERROR_SUCCESS)
{
hSubKey = 0;
// Try to query value (exists?)
if (RegQueryValueEx(pKey->Handle, szName,
0, &dwType, NULL, NULL) != ERROR_SUCCESS)
fFound = false;
}
// Push new subkey on the stack
Key *pnKey = new Key();
pnKey->Name = szName;
pnKey->Handle = hSubKey;
pnKey->Parent = pKey;
pnKey->Virtual = !fFound;
pnKey->Type = dwType;
pKey = pnKey;
iDepth++;
return fFound;
}
void StdCompilerConfigRead::NameEnd(bool fBreak)
{
assert(iDepth);
// Close current key
if (pKey->Handle)
RegCloseKey(pKey->Handle);
// Pop
Key *poKey = pKey;
pKey = poKey->Parent;
delete poKey;
iDepth--;
}
bool StdCompilerConfigRead::FollowName(const char *szName)
{
NameEnd(); return Name(szName);
}
bool StdCompilerConfigRead::Separator(Sep eSep)
{
excCorrupt(0, "Separators not supported by registry compiler!");
return false;
}
void StdCompilerConfigRead::DWord(int32_t &rInt)
{
rInt = int32_t(ReadDWord());
}
void StdCompilerConfigRead::DWord(uint32_t &rInt)
{
rInt = ReadDWord();
}
void StdCompilerConfigRead::Word(int16_t &rInt)
{
rInt = int16_t(ReadDWord());
}
void StdCompilerConfigRead::Word(uint16_t &rInt)
{
rInt = uint16_t(ReadDWord());
}
void StdCompilerConfigRead::Byte(int8_t &rInt)
{
rInt = int8_t(ReadDWord());
}
void StdCompilerConfigRead::Byte(uint8_t &rInt)
{
rInt = uint8_t(ReadDWord());
}
void StdCompilerConfigRead::Boolean(bool &rBool)
{
try
{
StdStrBuf szVal = ReadString();
rBool = (szVal == "true");
}
catch (NotFoundException *pExc)
{
delete pExc;
uint32_t iVal = ReadDWord();
rBool = !! iVal;
}
}
void StdCompilerConfigRead::Character(char &rChar)
{
try
{
StdStrBuf szVal = ReadString();
rChar = *szVal.getData();
}
catch (NotFoundException *pExc)
{
delete pExc;
uint32_t iVal = ReadDWord();
rChar = char(iVal);
}
}
void StdCompilerConfigRead::String(char *szString, size_t iMaxLength, RawCompileType eType)
{
StdStrBuf Result = ReadString();
SCopy(Result.getData(), szString, iMaxLength);
}
void StdCompilerConfigRead::String(char **pszString, RawCompileType eType)
{
*pszString = ReadString().GrabPointer();
}
void StdCompilerConfigRead::Raw(void *pData, size_t iSize, RawCompileType eType)
{
excCorrupt(0, "Raw values aren't supported for registry compilers!");
}
void StdCompilerConfigRead::Begin()
{
assert(!iDepth);
}
void StdCompilerConfigRead::End()
{
assert(!iDepth);
}
uint32_t StdCompilerConfigRead::ReadDWord()
{
// Virtual key?
if (pKey->Virtual)
{ excNotFound("Could not read value %s! Parent key doesn't exist!", pKey->Name.getData()); return 0; }
// Wrong type?
if (pKey->Type != REG_DWORD && pKey->Type != REG_DWORD_LITTLE_ENDIAN)
{ excNotFound("Wrong value type!"); return 0; }
// Read
uint32_t iVal; DWORD iSize = sizeof(iVal);
if (RegQueryValueEx(pKey->Parent->Handle, pKey->Name.getData(),
0, NULL,
reinterpret_cast<LPBYTE>(&iVal),
&iSize) != ERROR_SUCCESS)
{ excNotFound("Could not read value %s!", pKey->Name.getData()); return 0; }
// Check size
if (iSize != sizeof(iVal))
{ excCorrupt("Wrong size of a DWord!"); return 0; }
// Return
return iVal;
}
StdStrBuf StdCompilerConfigRead::ReadString()
{
// Virtual key?
if (pKey->Virtual)
{ excNotFound("Could not read value %s! Parent key doesn't exist!", pKey->Name.getData()); return StdStrBuf(); }
// Wrong type?
if (pKey->Type != REG_SZ)
{ excNotFound("Wrong value type!"); return StdStrBuf(); }
// Get size of string
DWORD iSize;
if (RegQueryValueEx(pKey->Parent->Handle, pKey->Name.getData(),
0, NULL,
NULL,
&iSize) != ERROR_SUCCESS)
{ excNotFound("Could not read value %s!", pKey->Name.getData()); return StdStrBuf(); }
// Allocate string
StdStrBuf Result; Result.SetLength(iSize - 1);
// Read
if (RegQueryValueEx(pKey->Parent->Handle, pKey->Name.getData(),
0, NULL,
reinterpret_cast<BYTE *>(Result.getMData()),
&iSize) != ERROR_SUCCESS)
{ excNotFound("Could not read value %s!", pKey->Name.getData()); return StdStrBuf(); }
// Check size
if (strlen(Result.getData()) + 1 != iSize)
{ excCorrupt("Wrong size of a string!"); return StdStrBuf(); }
return Result;
}
#endif // _WIN32
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