File indexing completed on 2024-11-24 04:52:55

 /* Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net>
 
    This file is part of the Trojita Qt IMAP e-mail client,
    http://trojita.flaska.net/
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of
    the License or (at your option) version 3 or any later version
    accepted by the membership of KDE e.V. (or its successor approved
    by the membership of KDE e.V.), which shall act as a proxy
    defined in Section 14 of version 3 of the license.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "Composer/QuoteText.h"
 #include "UiUtils/PlainTextFormatter.h"
 
 namespace Composer {
 
 /** @short Take the initial text and mark it as a quotation */
 QStringList quoteText(QStringList inputLines)
 {
     QStringList quote;
     for (QStringList::iterator line = inputLines.begin(); line != inputLines.end(); ++line) {
         if (UiUtils::signatureSeparator().match(*line).hasMatch()) {
             // This is the signature separator, we should not include anything below that in the quote
             break;
         }
         // rewrap - we need to keep the quotes at < 79 chars, yet the grow with every level
         if (line->length() < 79-2) {
             // this line is short enough, prepend quote mark and continue
             if (line->isEmpty() || line->at(0) == QLatin1Char('>'))
                 line->prepend(QLatin1Char('>'));
             else
                 line->prepend(QLatin1String("> "));
             quote << *line;
             continue;
         }
         // long line -> needs to be wrapped
         // 1st, detect the quote depth and eventually stript the quotes from the line
         int quoteLevel = 0;
         int contentStart = 0;
         if (line->at(0) == QLatin1Char('>')) {
             quoteLevel = 1;
             while (quoteLevel < line->length() && line->at(quoteLevel) == QLatin1Char('>'))
                 ++quoteLevel;
             contentStart = quoteLevel;
             if (quoteLevel < line->length() && line->at(quoteLevel) == QLatin1Char(' '))
                 ++contentStart;
         }
 
         // 2nd, build a quote string
         QString quotemarks;
         for (int i = 0; i < quoteLevel; ++i)
             quotemarks += QLatin1Char('>');
         quotemarks += QLatin1String("> ");
 
         // 3rd, wrap the line, prepend the quotemarks to each line and add it to the quote text
         int space(contentStart), lastSpace(contentStart), pos(contentStart), length(0);
         while (pos < line->length()) {
             if (line->at(pos) == QLatin1Char(' '))
                 space = pos+1;
             ++length;
             if (length > 65-quotemarks.length() && space != lastSpace) {
                 // wrap
                 quote << quotemarks + line->mid(lastSpace, space - lastSpace);
                 lastSpace = space;
                 length = pos - space;
             }
             ++pos;
         }
         quote << quotemarks + line->mid(lastSpace);
     }
     return quote;
 }
 
 }