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/*
* subtitleeditor -- a tool to create or edit subtitle
*
* http://home.gna.org/subtitleeditor/
* https://gna.org/projects/subtitleeditor/
*
* Copyright @ 2005-2009, 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(std::list<Rule*>::iterator it = m_rules.begin(); it != m_rules.end(); ++it)
{
delete *it;
}
m_rules.clear();
}
/*
* Return the name of the pattern.
*/
Glib::ustring Pattern::get_name()
{
return m_name;
}
/*
* Return the name of the pattern.
*/
Glib::ustring Pattern::get_label()
{
return m_label;
}
/*
* Return the name of the pattern.
*/
Glib::ustring Pattern::get_description()
{
return m_description;
}
/*
* Return the active state of the pattern. (Enable by default)
*/
bool Pattern::is_enable()
{
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(std::list<Rule*>::iterator it = m_rules.begin(); it != m_rules.end(); ++it)
{
bool previous_match = true;
if((*it)->m_previous_match)
previous_match = (*it)->m_previous_match->match(previous);
if((*it)->m_repeat)
{
while((*it)->m_regex->match(text) && previous_match)
{
text = (*it)->m_regex->replace(text, 0, (*it)->m_replacement, flag);
}
}
else if(previous_match)
text = (*it)->m_regex->replace(text, 0, (*it)->m_replacement, flag);
}
}
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