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#pragma once
// subtitleeditor -- a tool to create or edit subtitle
//
// https://subtitleeditor.github.io/subtitleeditor/
// https://github.com/subtitleeditor/subtitleeditor/
//
// Copyright @ 2005-2018, kitone
//
// 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 3 of the License, or
// (at your option) any later version.
//
// 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 "errorchecking.h"
class MaxCharactersPerLine : public ErrorChecking {
public:
MaxCharactersPerLine()
: ErrorChecking("max-characters-per-line", _("Maximum Characters per Line"), _("An error is detected if a line is too long.")) {
m_maxCPL = 40;
}
virtual void init() {
m_maxCPL = cfg::get_int("timing", "max-characters-per-line");
}
virtual bool execute(Info& info) {
std::istringstream iss(info.currentSub.get_characters_per_line_text());
std::string line;
while (std::getline(iss, line)) {
int number = utility::string_to_int(line);
if (number > m_maxCPL) {
if (info.tryToFix) {
info.currentSub.set_text(word_wrap(info.currentSub.get_text(), m_maxCPL));
return true;
}
info.error = build_message(
ngettext("Subtitle has a too long line: <b>1 character</b>", "Subtitle has a too long line: <b>%i characters</b>", number), number);
info.solution = build_message(_("<b>Automatic correction:</b>\n%s"), word_wrap(info.currentSub.get_text(), m_maxCPL).c_str());
return true;
}
}
return false;
}
Glib::ustring word_wrap(Glib::ustring str, Glib::ustring::size_type width) {
Glib::ustring::size_type curWidth = width;
Glib::ustring::size_type spacePos;
while (curWidth < str.length()) {
spacePos = str.rfind(' ', curWidth);
if (spacePos == Glib::ustring::npos)
spacePos = str.find(' ', curWidth);
if (spacePos != Glib::ustring::npos) {
str.replace(spacePos, 1, "\n");
curWidth = spacePos + width + 1;
} else
break;
}
return str;
}
protected:
int m_maxCPL;
};
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