OpenSceneGraph/examples/osgarchive/osgarchive.cpp
2004-10-26 18:20:52 +00:00

150 lines
4.2 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
*
* This application is open source and may be redistributed and/or modified
* freely and without restriction, both in commericial and non commericial applications,
* as long as this copyright notice is maintained.
*
* This application 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.
*/
#include <osg/ArgumentParser>
#include <osg/ApplicationUsage>
#include <osgDB/Archive>
#include <osgDB/ReadFile>
#include <osgDB/WriteFile>
#include <iostream>
int main( int argc, char **argv )
{
// use an ArgumentParser object to manage the program arguments.
osg::ArgumentParser arguments(&argc,argv);
// set up the usage document, in case we need to print out how to use this program.
arguments.getApplicationUsage()->setApplicationName(arguments.getApplicationName());
arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the standard OpenSceneGraph example which loads and visualises 3d models.");
arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
// create DataSet.
osgDB::Archive::Status status;
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
{
arguments.getApplicationUsage()->write(std::cout);
return 1;
}
std::string archiveFilename;
while (arguments.read("-a",archiveFilename) || arguments.read("--archive",archiveFilename))
{
}
bool insert = false;
while (arguments.read("-i") || arguments.read("--insert"))
{
insert = true;
}
bool extract = false;
while (arguments.read("-e") || arguments.read("--extract"))
{
extract = true;
}
bool list = false;
while (arguments.read("-l") || arguments.read("--list"))
{
list = true;
}
typedef std::vector<std::string> FileNameList;
FileNameList files;
for(int pos=1;pos<arguments.argc();++pos)
{
if (!arguments.isOption(pos))
{
files.push_back(arguments[pos]);
}
}
// any option left unread are converted into errors to write out later.
arguments.reportRemainingOptionsAsUnrecognized();
// report any errors if they have occured when parsing the program aguments.
if (arguments.errors())
{
arguments.writeErrorMessages(std::cout);
return 1;
}
if (archiveFilename.empty())
{
std::cout<<"Please specify an archive name using --archive filename"<<std::endl;
return 1;
}
if (!insert && !extract && !list)
{
std::cout<<"Please specify an operation on the archive, either --insert, --extract or --list"<<std::endl;
return 1;
}
if (insert && extract)
{
std::cout<<"Cannot insert and extract files from the archive at one time, please use either --insert or --extract."<<std::endl;
return 1;
}
osgDB::Archive archive;
if (insert)
{
osgDB::Archive archive;
archive.create(archiveFilename);
for (FileNameList::iterator itr=files.begin();
itr!=files.end();
++itr)
{
osg::ref_ptr<osg::Object> obj = osgDB::readObjectFile(*itr);
if (obj.valid())
{
archive.writeObject(*obj, *itr);
}
}
}
else
{
archive.open(archiveFilename,osgDB::Archive::READ);
if (extract)
{
for (FileNameList::iterator itr=files.begin();
itr!=files.end();
++itr)
{
osgDB::ReaderWriter::ReadResult result = archive.readObject(*itr);
osg::ref_ptr<osg::Object> obj = result.getObject();
if (obj.valid())
{
if (obj.valid()) osgDB::writeObjectFile(*obj, *itr);
}
}
}
}
if (list)
{
std::cout<<"Cannot list at present."<<std::endl;
}
return 0;
}