Files
vimix/SessionParser.cpp

130 lines
3.7 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 "SystemToolkit.h"
#include "tinyxml2Toolkit.h"
using namespace tinyxml2;
#include "SessionParser.h"
SessionParser::SessionParser()
{
}
bool SessionParser::open(const std::string &filename)
{
// if the file exists
if (filename.empty() || !SystemToolkit::file_exists(filename))
return false;
// try to load the file
xmlDoc_.Clear();
XMLError eResult = xmlDoc_.LoadFile(filename.c_str());
// error
if ( XMLResultError(eResult, false) )
return false;
filename_ = filename;
return true;
}
bool SessionParser::save()
{
if (filename_.empty())
return false;
// save file to disk
return ( XMLSaveDoc(&xmlDoc_, filename_) );
}
std::map< uint64_t, std::pair<std::string, bool> > SessionParser::pathList() const
{
std::map< uint64_t, std::pair<std::string, bool> > paths;
// fill path list
const XMLElement *session = xmlDoc_.FirstChildElement("Session");
if (session != nullptr ) {
const XMLElement *sourceNode = session->FirstChildElement("Source");
for( ; sourceNode ; sourceNode = sourceNode->NextSiblingElement())
{
// get id
uint64_t sid = 0;
sourceNode->QueryUnsigned64Attribute("id", &sid);
// get path
const XMLElement* pathNode = nullptr;
pathNode = sourceNode->FirstChildElement("uri");
if (!pathNode)
pathNode = sourceNode->FirstChildElement("path");
if (!pathNode)
pathNode = sourceNode->FirstChildElement("Sequence");
if (pathNode) {
const char *text = pathNode->GetText();
if (text) {
bool exists = SystemToolkit::file_exists(text);
paths[sid] = std::pair<std::string, bool>(std::string(text), exists);
}
}
}
}
// return path list
return paths;
}
void SessionParser::replacePath(uint64_t id, const std::string &path)
{
XMLElement *session = xmlDoc_.FirstChildElement("Session");
if (session != nullptr ) {
XMLElement *sourceNode = session->FirstChildElement("Source");
for( ; sourceNode ; sourceNode = sourceNode->NextSiblingElement())
{
// get id
uint64_t sid = 0;
sourceNode->QueryUnsigned64Attribute("id", &sid);
if (sid == id) {
// get path
XMLElement* pathNode = nullptr;
pathNode = sourceNode->FirstChildElement("uri");
if (!pathNode)
pathNode = sourceNode->FirstChildElement("path");
if (!pathNode)
pathNode = sourceNode->FirstChildElement("Sequence");
if (pathNode) {
XMLText *text = xmlDoc_.NewText( path.c_str() );
pathNode->InsertEndChild( text );
}
break;
}
}
}
}