QString KNHelper::rewrapStringList(QStringList text, int wrapAt, QChar quoteChar, bool stopAtSig, bool alwaysSpace)
{
QString quoted, lastPrefix, thisPrefix, leftover, thisLine;
int breakPos;
for(QStringList::Iterator line = text.begin(); line != text.end(); ++line)
{
if(stopAtSig && (*line) == "-- ")
break;
thisLine = (*line);
if(!alwaysSpace && (thisLine[0] == quoteChar))
thisLine.prepend(quoteChar); // second quote level without space
else
thisLine.prepend(quoteChar + ' ');
thisPrefix = QString::null;
QChar c;
for(int idx = 0; idx < (int)(thisLine.length()); idx++)
{
c = thisLine.at(idx);
if((c == ' ') ||
(c == quoteChar) || (c == '>') || (c == '|') || (c == ':') || (c == '#') || (c == '[') || (c == '{'))
thisPrefix.append(c);
else
break;
}
thisLine.remove(0, thisPrefix.length());
thisLine = thisLine.stripWhiteSpace();
if(!leftover.isEmpty()) // don't break paragraphs, tables and quote levels
{
if(thisLine.isEmpty() || (thisPrefix != lastPrefix) || thisLine.contains(" ") || thisLine.contains('\t'))
appendTextWPrefix(quoted, leftover, wrapAt, lastPrefix);
else
thisLine.prepend(leftover + " ");
leftover = QString::null;
}
if((int)(thisPrefix.length() + thisLine.length()) > wrapAt)
{
breakPos = findBreakPos(thisLine, wrapAt - thisPrefix.length());
if(breakPos < (int)(thisLine.length()))
{
leftover = thisLine.right(thisLine.length() - breakPos - 1);
thisLine.truncate(breakPos);
}
}
quoted += thisPrefix + thisLine + "\n";
lastPrefix = thisPrefix;
}
if(!leftover.isEmpty())
appendTextWPrefix(quoted, leftover, wrapAt, lastPrefix);
return quoted;
}
void appendTextWPrefix(QString &result, const QString &text, int wrapAt, const QString &prefix)
{
QString txt=text;
int breakPos;
while(!txt.isEmpty()) {
if((int)(prefix.length()+txt.length()) > wrapAt) {
breakPos=findBreakPos(txt,wrapAt-prefix.length());
result+=(prefix+txt.left(breakPos)+'\n');
txt.remove(0,breakPos+1);
} else {
result+=(prefix+txt+'\n');
txt.clear();
}
}
}
