CString CStringUtils::WordWrap(const CString& longstring, int limit /* = 80 */, bool bCompactPaths /* = true */)
{
CString retString;
if (longstring.GetLength() < limit)
return longstring; // no wrapping needed.
CString temp = longstring;
while (temp.GetLength() > limit)
{
int pos=0;
int oldpos=0;
while ((pos>=0)&&(temp.Find(' ', pos)<limit)&&(temp.Find(' ', pos)>0))
{
oldpos = pos;
pos = temp.Find(' ', pos+1);
}
if (oldpos==0)
oldpos = temp.Find(' ');
if (pos<0)
{
retString += temp;
temp.Empty();
}
else
{
CString longline = oldpos >= 0 ? temp.Left(oldpos+1) : temp;
if ((bCompactPaths)&&(longline.GetLength() < MAX_PATH))
{
if (((!PathIsFileSpec(longline))&&longline.Find(':')<3)||(PathIsURL(longline)))
{
TCHAR buf[MAX_PATH];
PathCompactPathEx(buf, longline, limit+1, 0);
longline = buf;
}
}
retString += longline;
if (oldpos >= 0)
temp = temp.Mid(oldpos+1);
else
temp.Empty();
}
retString += _T("\n");
pos = oldpos;
}
retString += temp;
retString.Trim();
return retString;
}
CString CStringUtils::WordWrap(const CString& longstring, int limit, bool bCompactPaths, bool bForceWrap, int tabSize)
{
int nLength = longstring.GetLength();
CString retString;
if (limit < 0)
limit = 0;
int nLineStart = 0;
int nLineEnd = 0;
int tabOffset = 0;
for (int i = 0; i < nLength; ++i)
{
if (i-nLineStart+tabOffset >= limit)
{
if (nLineEnd == nLineStart)
{
if (bForceWrap)
nLineEnd = i;
else
{
while ((i < nLength) && (longstring[i] != ' ') && (longstring[i] != '\t'))
++i;
nLineEnd = i;
}
}
if (bCompactPaths)
{
CString longline = longstring.Mid(nLineStart, nLineEnd-nLineStart).Left(MAX_PATH-1);
if ((bCompactPaths)&&(longline.GetLength() < MAX_PATH))
{
if (((!PathIsFileSpec(longline))&&longline.Find(':')<3)||(PathIsURL(longline)))
{
TCHAR buf[MAX_PATH] = {0};
PathCompactPathEx(buf, longline, limit+1, 0);
longline = buf;
}
}
retString += longline;
}
else
retString += longstring.Mid(nLineStart, nLineEnd-nLineStart);
retString += L"\n";
tabOffset = 0;
nLineStart = nLineEnd;
}
if (longstring[i] == ' ')
nLineEnd = i;
if (longstring[i] == '\t')
{
tabOffset += (tabSize - i % tabSize);
nLineEnd = i;
}
}
if (bCompactPaths)
{
CString longline = longstring.Mid(nLineStart).Left(MAX_PATH-1);
if ((bCompactPaths)&&(longline.GetLength() < MAX_PATH))
{
if (((!PathIsFileSpec(longline))&&longline.Find(':')<3)||(PathIsURL(longline)))
{
TCHAR buf[MAX_PATH] = {0};
PathCompactPathEx(buf, longline, limit+1, 0);
longline = buf;
}
}
retString += longline;
}
else
retString += longstring.Mid(nLineStart);
return retString;
}
