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// 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 "pattern.h"
// Constructor
Pattern::Pattern() {
m_enabled = true;
}
// Destructor
// Delete rules.
Pattern::~Pattern() {
for (auto r : m_rules) {
delete r;
}
m_rules.clear();
}
// Return the name of the pattern.
Glib::ustring Pattern::get_name() const {
return m_name;
}
// Return the name of the pattern.
Glib::ustring Pattern::get_label() const {
return m_label;
}
// Return the name of the pattern.
Glib::ustring Pattern::get_description() const {
return m_description;
}
// Return the active state of the pattern. (Enable by default)
bool Pattern::is_enable() const {
return m_enabled;
}
// Apply the pattern if it is enabled.
// With the repeat support.
void Pattern::execute(Glib::ustring& text, const Glib::ustring& previous) {
if (!m_enabled)
return;
Glib::RegexMatchFlags flag = (Glib::RegexMatchFlags)0;
for (auto pattern : m_rules) {
bool previous_match = true;
if (pattern->m_previous_match)
previous_match = pattern->m_previous_match->match(previous);
if (pattern->m_repeat) {
while (pattern->m_regex->match(text) && previous_match) {
text = pattern->m_regex->replace(text, 0, pattern->m_replacement, flag);
}
} else if (previous_match) {
text = pattern->m_regex->replace(text, 0, pattern->m_replacement, flag);
}
}
}
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