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vimix/SearchVisitor.cpp

128 lines
2.6 KiB
C++

/*
* This file is part of vimix - video live mixer
*
* **Copyright** (C) 2020-2021 Bruno Herbelin <bruno.herbelin@gmail.com>
*
* 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 <https://www.gnu.org/licenses/>.
**/
#include <algorithm>
#include "Scene.h"
#include "MediaSource.h"
#include "Session.h"
#include "SessionSource.h"
#include "SearchVisitor.h"
SearchVisitor::SearchVisitor(Node *node) : Visitor(), node_(node), found_(false)
{
}
void SearchVisitor::visit(Node &n)
{
if ( !found_ && node_ == &n ){
found_ = true;
}
}
void SearchVisitor::visit(Group &n)
{
if (found_)
return;
for (NodeSet::iterator node = n.begin(); node != n.end(); ++node) {
(*node)->accept(*this);
if (found_)
break;
}
}
void SearchVisitor::visit(Switch &n)
{
if (n.numChildren()>0)
n.activeChild()->accept(*this);
}
void SearchVisitor::visit(Scene &n)
{
// search only in workspace
n.ws()->accept(*this);
}
SearchFileVisitor::SearchFileVisitor() : Visitor()
{
}
void SearchFileVisitor::visit(Node &)
{
}
void SearchFileVisitor::visit(Group &n)
{
for (NodeSet::iterator node = n.begin(); node != n.end(); ++node) {
(*node)->accept(*this);
}
}
void SearchFileVisitor::visit(Switch &n)
{
if (n.numChildren()>0)
n.activeChild()->accept(*this);
}
void SearchFileVisitor::visit(Scene &n)
{
// search only in workspace
n.ws()->accept(*this);
}
void SearchFileVisitor::visit (MediaSource& s)
{
filenames_.push_back( s.path() );
}
void SearchFileVisitor::visit (SessionFileSource& s)
{
filenames_.push_back( s.path() );
}
std::list<std::string> SearchFileVisitor::parse (Session *se)
{
SearchFileVisitor sv;
for (auto iter = se->begin(); iter != se->end(); iter++){
(*iter)->accept(sv);
}
return sv.filenames();
}
bool SearchFileVisitor::find (Session *se, std::string path)
{
std::list<std::string> filenames = parse (se);
return std::find(filenames.begin(), filenames.end(), path) != filenames.end();
}