QVector<CacheLine> ReadAheadDecisionMaker::getReadAheadLines()
{
qulonglong endAddress = qMin(getReadAheadAddress() + getReadAheadSize(), getRaidSize());
QVector<CacheLine> readAheadLines;
if (getReadAheadAddress() < endAddress){
for (qulonglong i = getReadAheadAddress(); i < endAddress; i++)
readAheadLines.push_back(CacheLine(i));
qulonglong delta = endAddress - getReadAheadAddress();
setReadAheadAddress( getReadAheadAddress()+delta);
}else{
enableReadAhead(false);
}
return readAheadLines;
}
int getline(int listflag)
/*
* Read in a line, preprocess it, and dump it to the list and preproc files
* Also strip comments and alter trigraphs
*/
{
int rv, rvc, prepping, temp;
static int inpreprocess;
char ibuf[4096], xbuf[4096], *xptr;
char *ptr = ibuf;
if (cantnewline)
{
return (0);
}
repeatit:
do
{
rv = FALSE;
prepping = FALSE;
rvc = 0;
// add:
while (rvc + 131 < 4096 && !rv)
{
++lineno;
++errlineno;
rv = getstring(ibuf + rvc, 4096 - rvc, inputFile);
if (rv)
{
break;
}
rvc = strlen(ibuf);
if (ibuf[rvc - 1] != '\n')
{
ibuf[rvc++] = '\n';
ibuf[rvc] = 0;
}
rvc -= 2;
while (ibuf[rvc] == ' ')
rvc--;
// if (ibuf[rvc] != '\\')
break;
}
if (rvc)
rv = FALSE;
if (rv)
{
if (ifs)
generror(ERR_PREPROCMATCH, 0);
if (commentlevel)
generror(ERR_COMMENTMATCH, 0);
if (incldepth > 0)
{
if (inSymFile && !strcmp(infile, rcIdFile))
inSymFile = FALSE;
fclose(inputFile);
inputFile = inclfile[--incldepth];
lineno = inclline[incldepth];
inhfile = inclhfile[incldepth];
infile = inclfname[incldepth];
free(inputBuffer);
inputBuffer = inclInputBuffer[incldepth];
inputLen = inclInputLen[incldepth];
ibufPtr = inclibufPtr[incldepth];
errlineno = lineno;
errfile = infile;
ifs = ifshold[incldepth];
commentlevel = 0;
popif();
goto repeatit;
}
}
if (rv)
return 1;
lptr = inputline;
ptr = ibuf;
xptr = xbuf;
while ((temp = *ptr++) != 0)
{
*lptr++ = (unsigned char)temp;
*xptr++ = (unsigned char)temp;
}
*lptr = 0;
*xptr = 0;
stripcomment(inputline);
lptr = inputline;
while (iswhitespacechar(*lptr))
lptr++;
CacheLine((WCHAR *)lptr, xbuf);
if (lptr[0] == '#')
{
inpreprocess++;
listflag = preprocess();
inpreprocess--;
prepping = TRUE;
lastst = eol;
}
if (incldepth)
lastst = eol;
}
while (ifskip || prepping || (inhfile && !inpreprocess))
;
rvc = strlen(ibuf);
/*
if (defcheck(inputline) == - 10 && rvc + 131 < 4096)
{
if (ibuf[rvc - 1] == '\n')
ibuf[rvc - 1] = ' ';
goto add;
}
*/
return 0;
}
/**
* @param hdc - drawing context.
* @param prcPaint - the rectangle in which the painting is requested.
*/
void CTextView::DrawTextView(HDC hdc, RECT* prcPaint)
{
_ASSERTE(g_pResManager != NULL);
if (prcPaint == NULL)
{
RECT rcClient;
GetClientRect(m_hwnd, &rcClient);
prcPaint = &rcClient;
}
if (IsRectEmpty(prcPaint))
return;
#ifdef USE_MEM_DC
int nClientWidth = prcPaint->right - prcPaint->left;
int nClientHeight = prcPaint->bottom - prcPaint->top;
HBITMAP hbmpMem;
hbmpMem = CreateCompatibleBitmap(hdc, nClientWidth, nClientHeight);
if (hbmpMem == NULL)
return;
HDC hdcMem;
hdcMem = CreateCompatibleDC(hdc);
if (hdcMem == NULL)
{
DeleteBitmap(hbmpMem);
return;
}
SetViewportOrgEx(hdcMem, -prcPaint->left, -prcPaint->top, NULL);
HBITMAP hbmpSafe = SelectBitmap(hdcMem, hbmpMem);
#else
// CS_PARENTDC sets the clipping rectangle of the child window to that of the parent window
// so that the child can draw on the parent. Text view inherits this style from sub-classed
// static control. This causes problems with unclipped TabbedTextOut() output.
HRGN hrgn = CreateRectRgnIndirect(prcPaint);
SelectClipRgn(hdc, hrgn);
DeleteRgn(hrgn);
HDC hdcMem = hdc;
#endif
FillRect(hdcMem, prcPaint, g_pResManager->m_hbrWindowBrush);
COLORREF rgbOldTextColor = SetTextColor(hdcMem, GetSysColor(COLOR_WINDOWTEXT));
COLORREF rgbOldBackground = SetBkColor(hdcMem, GetSysColor(COLOR_WINDOW));
HFONT hOldFont = g_pResManager->m_hFixedFont ? SelectFont(hdcMem, g_pResManager->m_hFixedFont) : NULL;
TEXTMETRIC tmetr;
::GetTextMetrics(hdcMem, &tmetr);
DWORD dwNumLines = m_arrLines.GetCount();
DWORD dwTopLineNum = GetScrollPos(m_hwnd, SB_VERT);
DWORD dwTopVisLineNum = dwTopLineNum + prcPaint->top / tmetr.tmHeight;
if (dwTopVisLineNum < dwNumLines)
{
int nHorPos = tmetr.tmAveCharWidth - GetScrollPos(m_hwnd, SB_HORZ);
int nVertPos = prcPaint->top - prcPaint->top % tmetr.tmHeight;
DWORD dwNumVisLines = prcPaint->bottom / tmetr.tmHeight;
if (prcPaint->bottom % tmetr.tmHeight)
++dwNumVisLines;
DWORD dwBottomVisLineNum = dwTopLineNum + dwNumVisLines - 1;
if (dwBottomVisLineNum >= dwNumLines)
dwBottomVisLineNum = dwNumLines - 1;
for (DWORD dwLineNum = dwTopVisLineNum; dwLineNum <= dwBottomVisLineNum; ++dwLineNum)
{
CacheLine(dwLineNum);
const CLineInfo& rLineInfo = m_arrLines[(int)dwLineNum];
int nTextWidth = LOWORD(TabbedTextOut(hdcMem, nHorPos, nVertPos, m_pTextCache + rLineInfo.m_dwTextStart, rLineInfo.m_dwLength, 0, NULL, -nHorPos));
if (rLineInfo.m_bTruncated)
TextOut(hdcMem, nHorPos + nTextWidth, nVertPos, g_szEllipsis, g_dwEllipsisLength);
nVertPos += tmetr.tmHeight;
}
}
SetTextColor(hdcMem, rgbOldTextColor);
SetBkColor(hdcMem, rgbOldBackground);
if (hOldFont)
SelectFont(hdcMem, hOldFont);
#ifdef USE_MEM_DC
BitBlt(hdc, prcPaint->left, prcPaint->top, nClientWidth, nClientHeight, hdcMem, prcPaint->left, prcPaint->top, SRCCOPY);
SelectBitmap(hdcMem, hbmpSafe);
DeleteDC(hdcMem);
DeleteBitmap(hbmpMem);
#endif
}
