void
BF_GUI_Text::Find(char *pc_Sample, uint32 i_StartLine, uint32 i_StartCol)
{
uint32 iColumn = i_StartCol;
BString *poString;
char cSample[256];
bool bFound = false;
BF_GUI_MessageBox *po_Message;
ClearMatch();
if (pc_Sample == NULL)
{
FromUtf8(poMatch->String(),cSample);
}
else
{
FromUtf8(pc_Sample,cSample);
}
for(int32 i = i_StartLine; i < ploString->CountItems();i++)
{
poString = (BString *) ploString->ItemAt(i);
if (poString->FindFirst(cSample,iColumn) != B_ERROR)
{
iMatchLine = i;
bFound = true;
break;
};
iColumn = 0;
};
if (bFound)
{
if (pc_Sample != NULL)
{
if (poMatch != NULL) delete(poMatch);
poMatch = new BString(pc_Sample);
};
bDrawSel = true;
BRect oRect = Bounds();
float y = iMatchLine * poSysSetup->oFontNode.fHeight;
ScrollTo(oRect.left,y);
iStartSel = iColumn;
DrawPage();
}
else
{
bDrawSel = false;
if (i_StartLine)
{
po_Message = new BF_GUI_MessageBox(BRect(30,30,300,150),"Error","Not more samles found!",Parent(),"Ok");
}
else
{
po_Message = new BF_GUI_MessageBox(BRect(30,30,300,150),"Error","The sample is not found in this file!",Parent(),"Ok");
}
Parent()->AddChild(po_Message);
};
};
// Line down action
void
BF_GUI_Text::Nav_LineDown()
{
if (bFullPage)
{
ScrollBy(0,20);
ClearMatch();
};
};
// Key left action
void
BF_GUI_Text::Nav_LineLeft()
{
BRect oRect = Bounds();
if (oRect.left > 0)
{
ScrollBy(-10,0);
ClearMatch();
};
};
// Line up action
void
BF_GUI_Text::Nav_LineUp()
{
BRect oRect = Bounds();
if (oRect.top > 0)
{
ScrollBy(0,(oRect.top > 20) ? -20 : -oRect.top);
ClearMatch();
};
};
// Page down action
void
BF_GUI_Text::Nav_PageDown()
{
if (bFullPage)
{
BRect oRect = Bounds();
if (2 * oRect.bottom - oRect.top > poSysSetup->oFontNode.fHeight * ploString->CountItems())
{
ScrollTo(oRect.left,poSysSetup->oFontNode.fHeight * ploString->CountItems() - oRect.Height());
}
else
{
ScrollBy(0,oRect.Height());
}
ClearMatch();
}
}
// page up action
void
BF_GUI_Text::Nav_PageUp()
{
BRect oRect = Bounds();
if (oRect.top <= 0) return;
if (2 * oRect.top - oRect.bottom > 0)
{
ScrollBy(0,-oRect.Height());
}
else
{
ScrollBy(0,-oRect.top);
};
ClearMatch();
}
int RegEx::Match(const char *str)
{
int rc = 0;
if (mFree || re == NULL)
return -1;
ClearMatch();
//save str
subject = new char[strlen(str) + 1];
strcpy(subject, str);
rc = pcre_exec(re, NULL, subject, (int)strlen(subject), 0, 0, ovector, REGEX_MAX_SUBPATTERNS);
if (rc < 0)
{
if (rc == PCRE_ERROR_NOMATCH)
{
return 0;
}
else {
mErrorOffset = rc;
return -1;
}
}
RegExSub res;
mSubStrings.ensure(rc);
for (int s = 0; s < rc; ++s)
{
res.start = ovector[2 * s];
res.end = ovector[2 * s + 1];
mSubStrings.append(res);
}
return 1;
}
int RegEx::MatchAll(const char *str)
{
int rr = 0;
int rc = 0;
int startOffset = 0;
int exoptions = 0;
int notEmpty = 0;
int sizeOffsets = mNumSubpatterns * 3;
int subjectLen = strlen(str);
if (mFree || re == NULL)
{
return -1;
}
ClearMatch();
subject = new char[subjectLen + 1];
strcpy(subject, str);
RegExSub sub;
while (1)
{
rr = pcre_exec(re, NULL, subject, (int)subjectLen, startOffset, exoptions | notEmpty, ovector, REGEX_MAX_SUBPATTERNS);
/**
* The string was already proved to be valid UTF-8
*/
exoptions |= PCRE_NO_UTF8_CHECK;
/**
* Too many substrings
*/
if (rr == 0)
{
rr = sizeOffsets / 3;
}
if (rr > 0)
{
mMatchesSubs.append(rr);
for (int s = 0; s < rr; ++s)
{
sub.start = ovector[2 * s];
sub.end = ovector[2 * s + 1];
mSubStrings.append(sub);
}
}
else if (rr == PCRE_ERROR_NOMATCH)
{
/**
* If we previously set PCRE_NOTEMPTY after a null match,
* this is not necessarily the end. We need to advance
* the start offset, and continue. Fudge the offset values
* to achieve this, unless we're already at the end of the string.
*/
if (notEmpty && startOffset < (int)subjectLen)
{
ovector[0] = startOffset;
ovector[1] = startOffset + 1;
}
else
{
break;
}
}
else
{
mErrorOffset = rr;
if (mMatchesSubs.length())
{
ClearMatch();
}
return -1;
}
/**
* If we have matched an empty string, mimic what Perl's /g options does.
* This turns out to be rather cunning. First we set PCRE_NOTEMPTY and try
* the match again at the same point. If this fails (picked up above) we
* advance to the next character.
*/
notEmpty = (ovector[1] == ovector[0]) ? PCRE_NOTEMPTY | PCRE_ANCHORED : 0;
/**
* Advance to the next piece.
*/
startOffset = ovector[1];
}
if (!mMatchesSubs.length())
{
return 0;
}
return 1;
}
// Key right action
void
BF_GUI_Text::Nav_LineRight()
{
ScrollBy(10,0);
ClearMatch();
};
