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944 lines
25 KiB
944 lines
25 KiB
#include "ctlspriv.h"
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#include <memory.h>
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//// BUGBUG: cpls's main is the only 16 bit guy to use this. punt him
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#define MRU_ORDERDIRTY 0x1000
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#define DM_MRULAZY DM_TRACE
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#define MAX_CHAR 126
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#define BASE_CHAR TEXT('a')
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typedef struct tagMRUDATA
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{
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UINT fFlags;
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UINT uMax;
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LPVOID lpfnCompare;
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HKEY hKey;
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#ifdef DEBUG
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TCHAR szSubKey[32];
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#endif
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LPTSTR cOrder;
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} MRUDATA, *PMRUDATA;
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#define c_szMRU TEXT("MRUList")
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#define NTHSTRING(p, n) (*((LPTSTR FAR *)((LPBYTE)p+sizeof(MRUDATA))+n))
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#define NTHDATA(p, n) (*((LPBYTE FAR *)((LPBYTE)p+sizeof(MRUDATA))+n))
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#define NUM_OVERHEAD 3
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#ifdef VSTF
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/*----------------------------------------------------------
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Purpose: Validate the MRU structure
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*/
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BOOL IsValidPMRUDATA(PMRUDATA pmru)
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{
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return (IS_VALID_WRITE_PTR(pmru, MRUDATA) &&
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(NULL == pmru->lpfnCompare || IS_VALID_CODE_PTR(pmru->lpfnCompare, void)));
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}
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#endif // VSTF
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//----------------------------------------------------------------------------
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// Internal memcmp - saves loading crt's, cdecl so we can use
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// as MRUCMPDATAPROC
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int CDECL _mymemcmp(const void *pBuf1, const void *pBuf2, size_t cb)
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{
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// Take advantage of the intrinsic version from crtfree.h
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return memcmp(pBuf1, pBuf2, cb);
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}
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// Use this macro to get the original size of the data.
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#define DATASIZE(p) (*((LPDWORD)p))
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// And this to get a pointer to the original data.
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#define DATAPDATA(p) (p+sizeof(DWORD))
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//----------------------------------------------------------------------------
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// For binary data we stick the size of the data at the begining and store the
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// whole thing in one go.
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BOOL MRUIsSameData(PMRUDATA pMRU, BYTE FAR* pVal, const void FAR *lpData, UINT cbData)
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{
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int cbUseSize;
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MRUCMPDATAPROC lpfnCompare;
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ASSERT(IS_VALID_STRUCT_PTR(pMRU, MRUDATA));
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lpfnCompare = pMRU->lpfnCompare;
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ASSERT(IS_VALID_CODE_PTR(lpfnCompare, MRUCMPDATAPROC));
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// if there's something other than a mem compare,
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// don't require the sizes to be equal in order for the
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// data to be equivalent.
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if (pMRU->lpfnCompare == _mymemcmp)
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{
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if (DATASIZE(pVal) != cbData)
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return FALSE;
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cbUseSize = cbData;
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}
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else
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cbUseSize = min(DATASIZE(pVal), cbData);
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return ((*lpfnCompare)(lpData, DATAPDATA(pVal), cbUseSize) == 0);
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}
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//----------------------------------------------------------------------------
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HANDLE WINAPI CreateMRUListLazy(LPMRUINFO lpmi, const void FAR *lpData, UINT cbData, LPINT lpiSlot)
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{
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HANDLE hMRU = NULL;
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PTSTR pOrder, pNewOrder, pTemp;
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LPBYTE pVal;
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LONG cbVal;
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DWORD dwDisposition;
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DWORD dwType;
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PMRUDATA pMRU = NULL;
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HKEY hkeySubKey = NULL;
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TCHAR szTemp[2];
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UINT uMax = lpmi->uMax;
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HKEY hKey = lpmi->hKey;
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LPCTSTR lpszSubKey = lpmi->lpszSubKey;
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MRUCMPPROC lpfnCompare = lpmi->lpfnCompare;
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int cb;
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#ifdef DEBUG
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DWORD dwStart = GetTickCount();
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#endif
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if (!lpfnCompare) {
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lpfnCompare = (lpmi->fFlags & MRU_BINARY) ? (MRUCMPPROC)_mymemcmp :
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(
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(lpmi->fFlags & MRU_ANSI) ? (MRUCMPPROC)lstrcmpiA :
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(MRUCMPPROC)lstrcmpi
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);
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}
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// limit to 126 so that we don't use extended chars
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if (uMax > MAX_CHAR-BASE_CHAR)
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uMax = MAX_CHAR-BASE_CHAR;
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if (RegCreateKeyEx(hKey, lpszSubKey, 0L, (LPTSTR)c_szShell, REG_OPTION_NON_VOLATILE,
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KEY_READ | KEY_WRITE, NULL, &hkeySubKey, &dwDisposition) != ERROR_SUCCESS)
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goto Error1;
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pOrder = (PTSTR)Alloc((uMax + 1) * sizeof(TCHAR));
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if (!pOrder)
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goto Error1;
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cbVal = ((LONG)uMax + 1) * sizeof(TCHAR);
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if (RegQueryValueEx(hkeySubKey, (LPTSTR)c_szMRU, NULL, &dwType, (LPBYTE)pOrder, &cbVal) != ERROR_SUCCESS)
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{
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// if not already in the registry, then start fresh
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*pOrder = 0;
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}
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// Uppercase is not allowed
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CharLower(pOrder);
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// We allocate room for the MRUDATA structure, plus the order list,
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// and the list of strings.
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cb = (lpmi->fFlags & MRU_BINARY) ? sizeof(LPBYTE) : sizeof(LPTSTR);
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pMRU = (PMRUDATA)Alloc(sizeof(MRUDATA)+(uMax*cb));
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if (!pMRU) {
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goto Error2;
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}
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// Allocate space for the order list
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pMRU->cOrder = (LPTSTR)Alloc((uMax+1)*sizeof(TCHAR));
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if (!pMRU->cOrder) {
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Free(pMRU);
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goto Error2;
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}
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pMRU->fFlags = lpmi->fFlags;
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pMRU->uMax = uMax;
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pMRU->lpfnCompare = lpfnCompare;
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pMRU->hKey = hkeySubKey;
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#ifdef DEBUG
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StringCchCopy(pMRU->szSubKey, ARRAYSIZE(pMRU->szSubKey), lpszSubKey);
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#endif
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// Traverse through the MRU list, adding strings to the end of the
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// list.
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szTemp[1] = TEXT('\0');
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for (pTemp = pOrder, pNewOrder = pMRU->cOrder; ; ++pTemp)
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{
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// Stop when we get to the end of the list.
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szTemp[0] = *pTemp;
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if (!szTemp[0]) {
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break;
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}
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if (lpmi->fFlags & MRU_BINARY) {
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// Check if in range and if we have already used this letter.
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if ((UINT)(szTemp[0]-BASE_CHAR)>=uMax || NTHDATA(pMRU, szTemp[0]-BASE_CHAR)) {
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continue;
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}
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// Get the value from the registry
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cbVal = 0;
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// first find the size
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if ((RegQueryValueEx(hkeySubKey, szTemp, NULL, &dwType, NULL, &cbVal)
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!= ERROR_SUCCESS) || (dwType != REG_BINARY))
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continue;
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// Binary data has the size at the begining so we'll need a little extra room.
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pVal = (LPBYTE)Alloc(cbVal + sizeof(DWORD));
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if (!pVal) {
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// BUGBUG perhaps sort of error is in order.
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continue;
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}
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// now really get it
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DATASIZE(pVal) = cbVal;
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if (RegQueryValueEx(hkeySubKey, szTemp, NULL, &dwType, pVal+sizeof(DWORD),
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(LPDWORD)pVal) != ERROR_SUCCESS)
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continue;
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// Note that blank elements ARE allowed in the list.
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NTHDATA(pMRU, szTemp[0]-BASE_CHAR) = pVal;
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*pNewOrder++ = szTemp[0];
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//
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// OPTIMIZATION
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// If lpData and lpiSlot are specified, we stop the enumeratation
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// when we find the item.
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//
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if (lpData && lpiSlot) {
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// Check if we have the specified one or not.
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if (MRUIsSameData(pMRU, pVal, lpData, cbData)) {
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// Found it.
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*lpiSlot = (INT) (pNewOrder - pMRU->cOrder);
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TraceMsg(DM_MRULAZY, "CreateMRUListLazy found it. Copying %s", pTemp);
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pMRU->fFlags |= MRU_LAZY;
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//
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// Copy the rest of slot. Notice that we don't load
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// data for those slot.
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//
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for (pTemp++; *pTemp; pTemp++) {
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*pNewOrder++ = *pTemp;
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}
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break;
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}
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}
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} else {
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// Check if in range and if we have already used this letter.
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if ((UINT)(szTemp[0]-BASE_CHAR)>=uMax || NTHSTRING(pMRU, szTemp[0]-BASE_CHAR)) {
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continue;
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}
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// Get the value from the registry
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cbVal = 0;
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// first find the size
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if ((RegQueryValueEx(hkeySubKey, szTemp, NULL, &dwType, NULL, &cbVal)
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!= ERROR_SUCCESS) || (dwType != REG_SZ))
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continue;
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cbVal *= sizeof(TCHAR);
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pVal = (LPBYTE)Alloc(cbVal);
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if (!pVal) {
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// BUGBUG perhaps sort of error is in order.
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continue;
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}
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// now really get it
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if (RegQueryValueEx(hkeySubKey, szTemp, NULL, &dwType, (LPBYTE)pVal, &cbVal) != ERROR_SUCCESS)
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continue;
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// Note that blank elements are not allowed in the list.
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if (*((LPTSTR)pVal)) {
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NTHSTRING(pMRU, szTemp[0]-BASE_CHAR) = (LPTSTR)pVal;
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*pNewOrder++ = szTemp[0];
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} else {
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Free(pVal);
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}
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}
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}
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/* NULL terminate the order list so we can tell how many strings there
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* are.
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*/
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*pNewOrder = TEXT('\0');
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if (lpData && lpiSlot) {
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TraceMsg(DM_MRULAZY, "CreateMRUListLazy. End of loop. %s", pMRU->cOrder);
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// If we failed to find, put -1 in it.
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if (!(pMRU->fFlags & MRU_LAZY)) {
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*lpiSlot = -1;
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}
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}
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/* Actually, this is success rather than an error.
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*/
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goto Error2;
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Error2:
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if (pOrder)
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Free((HLOCAL)pOrder);
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Error1:
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if (!pMRU && hkeySubKey)
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RegCloseKey(hkeySubKey);
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#ifdef DEBUG
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//DebugMsg(DM_TRACE, TEXT("CreateMRU: %d msec"), LOWORD(GetTickCount()-dwStart));
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#endif
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return((HANDLE)pMRU);
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}
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HANDLE WINAPI CreateMRUList(LPMRUINFO lpmi)
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{
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return CreateMRUListLazy(lpmi, NULL, 0, NULL);
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}
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//
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// ANSI thunk
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//
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HANDLE WINAPI CreateMRUListLazyA(LPMRUINFOA lpmi, const void FAR *lpData, UINT cbData, LPINT lpiSlot)
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{
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MRUINFOW MRUInfoW;
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HANDLE hMRU;
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MRUInfoW.cbSize = sizeof (MRUINFOW);
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MRUInfoW.uMax = lpmi->uMax;
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MRUInfoW.fFlags = lpmi->fFlags;
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MRUInfoW.hKey = lpmi->hKey;
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MRUInfoW.lpszSubKey = ProduceWFromA(CP_ACP, lpmi->lpszSubKey);
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MRUInfoW.lpfnCompare = (MRUCMPPROCW)lpmi->lpfnCompare;
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MRUInfoW.fFlags |= MRU_ANSI;
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hMRU = CreateMRUListLazy(&MRUInfoW, lpData, cbData, lpiSlot);
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FreeProducedString((LPWSTR)MRUInfoW.lpszSubKey);
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return hMRU;
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}
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HANDLE WINAPI CreateMRUListA(LPMRUINFOA lpmi)
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{
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return CreateMRUListLazyA(lpmi, NULL, 0, NULL);
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}
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//----------------------------------------------------------------------------
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STDAPI_(void) FreeMRUList(HANDLE hMRU)
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{
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int i;
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LPVOID FAR *pTemp;
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PMRUDATA pMRU = (PMRUDATA)hMRU;
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ASSERT(IS_VALID_STRUCT_PTR(pMRU, MRUDATA));
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if (pMRU)
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{
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pTemp = (pMRU->fFlags & MRU_BINARY) ?
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&NTHDATA(pMRU, 0) : (LPBYTE FAR *)&NTHSTRING(pMRU, 0);
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if (pMRU->fFlags & MRU_ORDERDIRTY)
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{
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RegSetValueEx(pMRU->hKey, c_szMRU, 0L, REG_SZ, (CONST BYTE *)pMRU->cOrder,
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sizeof(TCHAR) * (lstrlen(pMRU->cOrder) + 1));
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}
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for (i=pMRU->uMax-1; i>=0; --i, ++pTemp)
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{
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if (*pTemp)
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{
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if (pMRU->fFlags & MRU_BINARY)
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{
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Free((LPBYTE)*pTemp);
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*pTemp = NULL;
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}
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else
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Str_SetPtr((LPTSTR FAR *)pTemp, NULL);
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}
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}
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RegCloseKey(pMRU->hKey);
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Free(pMRU->cOrder);
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Free((HLOCAL)pMRU);
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}
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}
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/* Add a string to an MRU list.
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*/
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STDAPI_(int) AddMRUString(HANDLE hMRU, LPCTSTR szString)
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{
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/* The extra +1 is so that the list is NULL terminated.
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*/
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TCHAR cFirst;
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int iSlot = -1;
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LPTSTR lpTemp;
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LPTSTR FAR * pTemp;
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int i;
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UINT uMax;
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MRUCMPPROC lpfnCompare;
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BOOL fShouldWrite;
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PMRUDATA pMRU = (PMRUDATA)hMRU;
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#ifdef DEBUG
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DWORD dwStart = GetTickCount();
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#endif
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ASSERT(IS_VALID_STRUCT_PTR(pMRU, MRUDATA));
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if (hMRU == NULL)
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return(-1); // Error
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fShouldWrite = !(pMRU->fFlags & MRU_CACHEWRITE);
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uMax = pMRU->uMax;
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lpfnCompare = (MRUCMPPROC)pMRU->lpfnCompare;
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/* Check if the string already exists in the list.
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*/
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for (i=0, pTemp=&NTHSTRING(pMRU, 0); (UINT)i<uMax; ++i, ++pTemp)
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{
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if (*pTemp)
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{
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int iResult;
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if (pMRU->fFlags & MRU_ANSI)
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{
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LPSTR lpStringA, lpTempA;
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lpStringA = ProduceAFromW (CP_ACP, szString);
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lpTempA = ProduceAFromW (CP_ACP, (LPWSTR)*pTemp);
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iResult = (*lpfnCompare)((const void FAR *)lpStringA, (const void FAR *)lpTempA);
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FreeProducedString (lpStringA);
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FreeProducedString (lpTempA);
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}
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else
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{
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iResult = (*lpfnCompare)((const void FAR *)szString, (const void FAR *)*pTemp);
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}
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if (!iResult)
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{
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// found it, so don't do the write out
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cFirst = i + BASE_CHAR;
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iSlot = i;
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goto FoundEntry;
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}
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}
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}
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/* Attempt to find an unused entry. Count up the used entries at the
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* same time.
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*/
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for (i=0, pTemp=&NTHSTRING(pMRU, 0); ; ++i, ++pTemp)
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{
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if ((UINT)i >= uMax) // If we got to the end of the list.
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{
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// use the entry at the end of the cOrder list
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cFirst = pMRU->cOrder[uMax-1];
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pTemp = &NTHSTRING(pMRU, cFirst-BASE_CHAR);
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break;
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}
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|
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// Is the entry not used?
|
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if (!*pTemp)
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{
|
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// yes
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cFirst = i+BASE_CHAR;
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break;
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}
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}
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|
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if (Str_SetPtr(pTemp, szString))
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{
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TCHAR szTemp[2];
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|
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iSlot = (int)(cFirst-BASE_CHAR);
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szTemp[0] = cFirst;
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szTemp[1] = TEXT('\0');
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|
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RegSetValueEx(pMRU->hKey, szTemp, 0L, REG_SZ, (CONST BYTE *)szString,
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sizeof(TCHAR) * (lstrlen(szString) + 1));
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fShouldWrite = TRUE;
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}
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else
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{
|
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/* Since iSlot == -1, we will remove the reference to cFirst
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* below.
|
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*/
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}
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FoundEntry:
|
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/* Remove any previous reference to cFirst.
|
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*/
|
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lpTemp = StrChr(pMRU->cOrder, cFirst);
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if (lpTemp)
|
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{
|
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StringCchCopy(lpTemp, lstrlen(lpTemp), lpTemp+1);
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}
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|
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if (iSlot != -1)
|
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{
|
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// shift everything over and put cFirst at the front
|
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hmemcpy(pMRU->cOrder+1, pMRU->cOrder, pMRU->uMax*sizeof(TCHAR));
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pMRU->cOrder[0] = cFirst;
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}
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|
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if (fShouldWrite)
|
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{
|
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RegSetValueEx(pMRU->hKey, c_szMRU, 0L, REG_SZ, (CONST BYTE *)pMRU->cOrder,
|
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sizeof(TCHAR) * (lstrlen(pMRU->cOrder) + 1));
|
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pMRU->fFlags &= ~MRU_ORDERDIRTY;
|
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} else
|
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pMRU->fFlags |= MRU_ORDERDIRTY;
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|
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return(iSlot);
|
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}
|
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|
|
|
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//
|
|
// ANSI thunk
|
|
//
|
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|
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STDAPI_(int) AddMRUStringA(HANDLE hMRU, LPCSTR szString)
|
|
{
|
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LPWSTR lpStringW;
|
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INT iResult;
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|
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lpStringW = ProduceWFromA(CP_ACP, szString);
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|
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iResult = AddMRUString(hMRU, lpStringW);
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|
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FreeProducedString (lpStringW);
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|
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return iResult;
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}
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|
|
/* Remove a string from an MRU list.
|
|
*/
|
|
STDAPI_(int) DelMRUString(HANDLE hMRU, int nItem)
|
|
{
|
|
BOOL bRet = FALSE;
|
|
LPTSTR lpTemp;
|
|
PMRUDATA pMRU = (PMRUDATA)hMRU;
|
|
|
|
ASSERT(IS_VALID_STRUCT_PTR(pMRU, MRUDATA));
|
|
|
|
if (pMRU)
|
|
{
|
|
//
|
|
// Make sure the index value is within the length of
|
|
// the string so we don't pick up some random value.
|
|
//
|
|
if (!InRange(nItem, 0, pMRU->uMax) || nItem >= lstrlen(pMRU->cOrder))
|
|
return FALSE;
|
|
|
|
// Be easy -- just remove the entry from the cOrder list
|
|
lpTemp = &pMRU->cOrder[nItem];
|
|
if (lpTemp)
|
|
{
|
|
int iSlot = *lpTemp - BASE_CHAR;
|
|
if (iSlot >= 0 && iSlot < MAX_CHAR - BASE_CHAR)
|
|
{
|
|
Str_SetPtr(&NTHSTRING(pMRU, iSlot), NULL);
|
|
}
|
|
|
|
StringCchCopy(lpTemp, lstrlen(lpTemp), lpTemp+1);
|
|
|
|
if (!(pMRU->fFlags & MRU_CACHEWRITE))
|
|
{
|
|
RegSetValueEx(pMRU->hKey, c_szMRU, 0L, REG_SZ, (CONST BYTE *)pMRU->cOrder,
|
|
sizeof(TCHAR) * (lstrlen(pMRU->cOrder) + 1));
|
|
pMRU->fFlags &= ~MRU_ORDERDIRTY;
|
|
}
|
|
else
|
|
{
|
|
pMRU->fFlags |= MRU_ORDERDIRTY;
|
|
}
|
|
|
|
bRet = TRUE;
|
|
}
|
|
}
|
|
|
|
return bRet;
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Add data to an MRU list.
|
|
STDAPI_(int) AddMRUData(HANDLE hMRU, const void FAR *lpData, UINT cbData)
|
|
{
|
|
TCHAR cFirst;
|
|
int iSlot = -1;
|
|
LPTSTR lpTemp;
|
|
LPBYTE FAR *ppData;
|
|
int i;
|
|
UINT uMax;
|
|
MRUCMPDATAPROC lpfnCompare;
|
|
PMRUDATA pMRU = (PMRUDATA)hMRU;
|
|
BOOL fShouldWrite;
|
|
|
|
#ifdef DEBUG
|
|
DWORD dwStart = GetTickCount();
|
|
#endif
|
|
|
|
ASSERT(IS_VALID_STRUCT_PTR(pMRU, MRUDATA));
|
|
|
|
if (hMRU == NULL)
|
|
return(-1); // Error
|
|
|
|
fShouldWrite = !(pMRU->fFlags & MRU_CACHEWRITE);
|
|
|
|
uMax = pMRU->uMax;
|
|
lpfnCompare = (MRUCMPDATAPROC)pMRU->lpfnCompare;
|
|
|
|
// Check if the data already exists in the list.
|
|
for (i=0, ppData=&NTHDATA(pMRU, 0); (UINT)i<uMax; ++i, ++ppData)
|
|
{
|
|
if (*ppData && MRUIsSameData(pMRU, *ppData, lpData, cbData))
|
|
{
|
|
// found it, so don't do the write out
|
|
cFirst = i + BASE_CHAR;
|
|
iSlot = i;
|
|
goto FoundEntry;
|
|
}
|
|
}
|
|
|
|
//
|
|
// When created "lazy", we are not supposed to add a new item.
|
|
//
|
|
if (pMRU->fFlags & MRU_LAZY)
|
|
{
|
|
ASSERT(0);
|
|
return -1;
|
|
}
|
|
|
|
// Attempt to find an unused entry. Count up the used entries at the
|
|
// same time.
|
|
for (i=0, ppData=&NTHDATA(pMRU, 0); ; ++i, ++ppData)
|
|
{
|
|
if ((UINT)i >= uMax)
|
|
// If we got to the end of the list.
|
|
{
|
|
// use the entry at the end of the cOrder list
|
|
cFirst = pMRU->cOrder[uMax-1];
|
|
ppData = &NTHDATA(pMRU, cFirst-BASE_CHAR);
|
|
break;
|
|
}
|
|
|
|
if (!*ppData)
|
|
// If the entry is not used.
|
|
{
|
|
cFirst = i+BASE_CHAR;
|
|
break;
|
|
}
|
|
}
|
|
|
|
*ppData = ReAlloc(*ppData, cbData+sizeof(DWORD));
|
|
if (*ppData)
|
|
{
|
|
TCHAR szTemp[2];
|
|
|
|
*((LPDWORD)(*ppData)) = cbData;
|
|
hmemcpy(DATAPDATA(*ppData), lpData, cbData);
|
|
|
|
iSlot = (int)(cFirst-BASE_CHAR);
|
|
|
|
szTemp[0] = cFirst;
|
|
szTemp[1] = TEXT('\0');
|
|
|
|
RegSetValueEx(pMRU->hKey, szTemp, 0L, REG_BINARY, (LPVOID)lpData, cbData);
|
|
fShouldWrite = TRUE;
|
|
}
|
|
else
|
|
{
|
|
// Since iSlot == -1, we will remove the reference to cFirst
|
|
// below.
|
|
}
|
|
|
|
FoundEntry:
|
|
// Remove any previous reference to cFirst.
|
|
lpTemp = StrChr(pMRU->cOrder, cFirst);
|
|
if (lpTemp)
|
|
{
|
|
StringCchCopy(lpTemp, lstrlen(lpTemp), lpTemp+1);
|
|
}
|
|
|
|
if (iSlot != -1)
|
|
{
|
|
// shift everything over and put cFirst at the front
|
|
hmemcpy(pMRU->cOrder+1, pMRU->cOrder, pMRU->uMax*sizeof(TCHAR));
|
|
pMRU->cOrder[0] = cFirst;
|
|
}
|
|
|
|
if (fShouldWrite)
|
|
{
|
|
RegSetValueEx(pMRU->hKey, c_szMRU, 0L, REG_SZ, (CONST BYTE *)pMRU->cOrder,
|
|
sizeof(TCHAR) * (lstrlen(pMRU->cOrder) + 1));
|
|
pMRU->fFlags &= ~MRU_ORDERDIRTY;
|
|
} else
|
|
pMRU->fFlags |= MRU_ORDERDIRTY;
|
|
|
|
return(iSlot);
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Find data in an MRU list.
|
|
// Returns the slot number.
|
|
STDAPI_(int) FindMRUData(HANDLE hMRU, const void FAR *lpData, UINT cbData, LPINT lpiSlot)
|
|
{
|
|
TCHAR cFirst;
|
|
int iSlot = -1;
|
|
LPTSTR lpTemp;
|
|
LPBYTE FAR *ppData;
|
|
int i;
|
|
UINT uMax;
|
|
PMRUDATA pMRU = (PMRUDATA)hMRU;
|
|
|
|
#ifdef DEBUG
|
|
DWORD dwStart = GetTickCount();
|
|
#endif
|
|
|
|
ASSERT(IS_VALID_STRUCT_PTR(pMRU, MRUDATA));
|
|
|
|
if (hMRU == NULL)
|
|
return(-1); // Error state.
|
|
|
|
// Can't call this API when it's created lazily.
|
|
if (pMRU->fFlags & MRU_LAZY)
|
|
{
|
|
ASSERT(0);
|
|
return -1;
|
|
}
|
|
|
|
uMax = pMRU->uMax;
|
|
|
|
/* Find the item in the list.
|
|
*/
|
|
for (i=0, ppData=&NTHDATA(pMRU, 0); (UINT)i<uMax; ++i, ++ppData)
|
|
{
|
|
if (!*ppData)
|
|
continue;
|
|
|
|
if (MRUIsSameData(pMRU, *ppData, lpData, cbData))
|
|
{
|
|
// So i now has the slot number in it.
|
|
if (lpiSlot != NULL)
|
|
*lpiSlot = i;
|
|
|
|
// Now convert the slot number into an index number
|
|
cFirst = i + BASE_CHAR;
|
|
lpTemp = StrChr(pMRU->cOrder, cFirst);
|
|
ASSERT(lpTemp);
|
|
return((lpTemp == NULL)? -1 : (int)(lpTemp - (LPTSTR)pMRU->cOrder));
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
|
|
/* Find a string in an MRU list.
|
|
*/
|
|
STDAPI_(int) FindMRUString(HANDLE hMRU, LPCTSTR szString, LPINT lpiSlot)
|
|
{
|
|
/* The extra +1 is so that the list is NULL terminated.
|
|
*/
|
|
TCHAR cFirst;
|
|
int iSlot = -1;
|
|
LPTSTR lpTemp;
|
|
LPTSTR FAR *pTemp;
|
|
int i;
|
|
UINT uMax;
|
|
MRUCMPPROC lpfnCompare;
|
|
PMRUDATA pMRU = (PMRUDATA)hMRU;
|
|
|
|
#ifdef DEBUG
|
|
DWORD dwStart = GetTickCount();
|
|
#endif
|
|
|
|
ASSERT(IS_VALID_STRUCT_PTR(pMRU, MRUDATA));
|
|
|
|
if (hMRU == NULL)
|
|
return(-1); // Error state.
|
|
|
|
uMax = pMRU->uMax;
|
|
lpfnCompare = (MRUCMPPROC)pMRU->lpfnCompare;
|
|
|
|
/* Find the item in the list.
|
|
*/
|
|
for (i=0, pTemp=&NTHSTRING(pMRU, 0); (UINT)i<uMax; ++i, ++pTemp)
|
|
{
|
|
if (*pTemp)
|
|
{
|
|
int iResult;
|
|
|
|
if (pMRU->fFlags & MRU_ANSI)
|
|
{
|
|
LPSTR lpStringA, lpTempA;
|
|
|
|
lpStringA = ProduceAFromW (CP_ACP, szString);
|
|
lpTempA = ProduceAFromW (CP_ACP, (LPWSTR)*pTemp);
|
|
|
|
iResult = (*lpfnCompare)((const void FAR *)lpStringA, (const void FAR *)lpTempA);
|
|
|
|
FreeProducedString (lpStringA);
|
|
FreeProducedString (lpTempA);
|
|
}
|
|
else
|
|
{
|
|
iResult = (*lpfnCompare)((CONST VOID FAR *)szString, (CONST VOID FAR *)*pTemp);
|
|
}
|
|
|
|
if (!iResult)
|
|
{
|
|
// So i now has the slot number in it.
|
|
if (lpiSlot != NULL)
|
|
*lpiSlot = i;
|
|
|
|
// Now convert the slot number into an index number
|
|
cFirst = i + BASE_CHAR;
|
|
lpTemp = StrChr(pMRU->cOrder, cFirst);
|
|
return((lpTemp == NULL)? -1 : (int)(lpTemp - (LPTSTR)pMRU->cOrder));
|
|
}
|
|
}
|
|
}
|
|
|
|
return(-1);
|
|
}
|
|
|
|
|
|
//
|
|
// ANSI thunk
|
|
//
|
|
|
|
int WINAPI FindMRUStringA(HANDLE hMRU, LPCSTR szString, LPINT lpiSlot)
|
|
{
|
|
LPWSTR lpStringW;
|
|
INT iResult;
|
|
|
|
lpStringW = ProduceWFromA(CP_ACP, szString);
|
|
|
|
iResult = FindMRUString(hMRU, lpStringW, lpiSlot);
|
|
|
|
FreeProducedString (lpStringW);
|
|
|
|
return iResult;
|
|
}
|
|
|
|
|
|
/* If lpszString is NULL, then this returns the number of MRU items or less than
|
|
* 0 on error.
|
|
* if nItem < 0, we'll return the number of items currently in the MRU.
|
|
* Otherwise, fill in as much of the buffer as possible (uLen includes the
|
|
* terminating NULL) and return the actual length of the string (including the
|
|
* terminating NULL) or less than 0 on error.
|
|
*/
|
|
STDAPI_(int) EnumMRUList(HANDLE hMRU, int nItem, LPVOID lpData, UINT uLen)
|
|
{
|
|
PMRUDATA pMRU = (PMRUDATA)hMRU;
|
|
int nItems = -1;
|
|
LPTSTR pTemp;
|
|
LPBYTE pData;
|
|
|
|
ASSERT(IS_VALID_STRUCT_PTR(pMRU, MRUDATA));
|
|
|
|
if (pMRU)
|
|
{
|
|
nItems = lstrlen(pMRU->cOrder);
|
|
|
|
if (nItem < 0 || !lpData)
|
|
return nItems;
|
|
|
|
if (nItem < nItems)
|
|
{
|
|
if (pMRU->fFlags & MRU_BINARY)
|
|
{
|
|
pData = NTHDATA(pMRU, pMRU->cOrder[nItem]-BASE_CHAR);
|
|
if (!pData)
|
|
return -1;
|
|
|
|
uLen = min((UINT)DATASIZE(pData), uLen);
|
|
hmemcpy(lpData, DATAPDATA(pData), uLen);
|
|
|
|
nItems = uLen;
|
|
|
|
}
|
|
else
|
|
{
|
|
pTemp = NTHSTRING(pMRU, pMRU->cOrder[nItem]-BASE_CHAR);
|
|
if (!pTemp)
|
|
return -1;
|
|
|
|
StringCchCopy((LPTSTR)lpData, uLen, pTemp);
|
|
|
|
nItems = lstrlen(pTemp);
|
|
}
|
|
}
|
|
else // revert to error condition
|
|
nItems = -1;
|
|
}
|
|
|
|
return nItems;
|
|
}
|
|
|
|
|
|
STDAPI_(int) EnumMRUListA(HANDLE hMRU, int nItem, LPVOID lpData, UINT uLen)
|
|
{
|
|
int iResult = -1;
|
|
PMRUDATA pMRU = (PMRUDATA)hMRU;
|
|
|
|
ASSERT(IS_VALID_STRUCT_PTR(pMRU, MRUDATA));
|
|
|
|
if (pMRU)
|
|
{
|
|
LPVOID lpDataW;
|
|
BOOL bAllocatedMemory = FALSE;
|
|
|
|
//
|
|
// we need a temp buffer if the data is a string.
|
|
// but if it is binary, then we trust the callers buffer.
|
|
//
|
|
if (!(pMRU->fFlags & MRU_BINARY) && uLen && lpData)
|
|
{
|
|
lpDataW = LocalAlloc(LPTR, uLen * sizeof(TCHAR));
|
|
|
|
if (!lpDataW)
|
|
return -1;
|
|
|
|
bAllocatedMemory = TRUE;
|
|
}
|
|
else
|
|
lpDataW = lpData;
|
|
|
|
// call the real thing
|
|
iResult = EnumMRUList(hMRU, nItem, lpDataW, uLen);
|
|
|
|
//
|
|
// if the buffer was a string that we allocated
|
|
// then we need to thunk the string into the callers buffer
|
|
//
|
|
if (!(pMRU->fFlags & MRU_BINARY) && lpData && uLen && (iResult != -1))
|
|
{
|
|
WideCharToMultiByte(CP_ACP, 0, (LPWSTR)lpDataW, -1,
|
|
(LPSTR)lpData, uLen, NULL, NULL);
|
|
}
|
|
|
|
if (bAllocatedMemory)
|
|
LocalFree(lpDataW);
|
|
}
|
|
|
|
return iResult;
|
|
}
|