Files
OpenSceneGraph/applications/osgconv/PluginQuery.cpp

148 lines
4.8 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2008 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 <osgDB/FileUtils>
#include <osg/Version>
#include "PluginQuery.h"
using namespace osgDB;
FileNameList osgDB::listAllAvailablePlugins()
{
FileNameList pluginFiles;
std::string pluginDirectoryName = std::string("osgPlugins-")+std::string(osgGetVersion());
std::string fullPath = osgDB::findLibraryFile(pluginDirectoryName);
if (!fullPath.empty())
{
osgDB::DirectoryContents contents = getDirectoryContents(fullPath);
for(DirectoryContents::iterator itr = contents.begin();
itr != contents.end();
++itr)
{
std::string::size_type pos = itr->find("osgdb_");
if (pos!=std::string::npos)
{
pluginFiles.push_back(fullPath + std::string("/")+*itr);
}
}
}
return pluginFiles;
}
bool osgDB::queryPlugin(const std::string& fileName, ReaderWriterInfoList& infoList)
{
if (osgDB::Registry::instance()->loadLibrary(fileName))
{
const Registry::ReaderWriterList& rwList = osgDB::Registry::instance()->getReaderWriterList();
for(Registry::ReaderWriterList::const_iterator itr = rwList.begin();
itr != rwList.end();
++itr)
{
const ReaderWriter* rw = itr->get();
osg::ref_ptr<ReaderWriterInfo> rwi = new ReaderWriterInfo;
rwi->plugin = fileName;
rwi->description = rw->className();
rwi->protocols = rw->supportedProtocols();
rwi->extensions = rw->supportedExtensions();
rwi->options = rw->supportedOptions();
infoList.push_back(rwi.get());
}
osgDB::Registry::instance()->closeLibrary(fileName);
return true;
}
else
{
return false;
}
}
static std::string padwithspaces(const std::string& str, unsigned int padLength)
{
std::string newStr(str);
while(newStr.length()<padLength) newStr.push_back(' ');
return newStr;
}
bool osgDB::outputPluginDetails(std::ostream& out, const std::string& fileName)
{
out<<"Plugin "<<fileName<<std::endl;
out<<"{"<<std::endl;
osgDB::ReaderWriterInfoList infoList;
if (osgDB::queryPlugin(fileName, infoList))
{
for(osgDB::ReaderWriterInfoList::iterator rwi_itr = infoList.begin();
rwi_itr != infoList.end();
++rwi_itr)
{
osgDB::ReaderWriterInfo& info = *(*rwi_itr);
out<<" ReaderWriter : "<<info.description<<std::endl;
out<<" {"<<std::endl;
unsigned int longestOptionLength = 0;
osgDB::ReaderWriter::FormatDescriptionMap::iterator fdm_itr;
for(fdm_itr = info.protocols.begin();
fdm_itr != info.protocols.end();
++fdm_itr)
{
if (fdm_itr->first.length()>longestOptionLength) longestOptionLength = fdm_itr->first.length();
}
for(fdm_itr = info.extensions.begin();
fdm_itr != info.extensions.end();
++fdm_itr)
{
if (fdm_itr->first.length()>longestOptionLength) longestOptionLength = fdm_itr->first.length();
}
for(fdm_itr = info.options.begin();
fdm_itr != info.options.end();
++fdm_itr)
{
if (fdm_itr->first.length()>longestOptionLength) longestOptionLength = fdm_itr->first.length();
}
unsigned int padLength = longestOptionLength+4;
for(fdm_itr = info.protocols.begin();
fdm_itr != info.protocols.end();
++fdm_itr)
{
out<<" protocol : "<<padwithspaces(fdm_itr->first, padLength)<<fdm_itr->second<<std::endl;
}
for(fdm_itr = info.extensions.begin();
fdm_itr != info.extensions.end();
++fdm_itr)
{
out<<" extensions : ."<<padwithspaces(fdm_itr->first, padLength-1)<<fdm_itr->second<<std::endl;
}
for(fdm_itr = info.options.begin();
fdm_itr != info.options.end();
++fdm_itr)
{
out<<" options : "<<padwithspaces(fdm_itr->first, padLength)<<fdm_itr->second<<std::endl;
}
out<<" }"<<std::endl;
}
}
out<<"}"<<std::endl<<std::endl;
}