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From Stephan Huber,

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"Attached you'll find a proposal for using different
protocols. The idea behind the new code is:

1.) plugins/apps register protocols which they can handle. This is done
via osgDB::Registry::registerProtocol(aProtocolName). Plugins register
supported protocols as usual via ReaderWriter::supportsProtocol(..), the
Registry is updated accordingly.

2.) osgDB::containsServerAddress checks first for an appearance of "://"
in the filename and then checks the protocol against the set of
registered protocols via Registry::isProtocolRegistered(aProtocollName)

3.) the other getServer*-functions changed as well, there's even a
getServerProtocol-function


With these changes filenames/Urls get routed to loaded plugins even with
different protocols than 'http'."
This commit is contained in:
Robert Osfield
2009-03-10 12:21:13 +00:00
parent 199067d150
commit b5a15fb5b4
5 changed files with 56 additions and 11 deletions
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1
include/osgDB/FileNameUtils
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@@ -40,6 +40,7 @@ extern OSGDB_EXPORT bool equalCaseInsensitive(const std::string& lhs,const std::
extern OSGDB_EXPORT bool equalCaseInsensitive(const std::string& lhs,const char* rhs);
extern OSGDB_EXPORT bool containsServerAddress(const std::string& filename);
extern OSGDB_EXPORT std::string getServerProtocol(const std::string& filename);
extern OSGDB_EXPORT std::string getServerAddress(const std::string& filename);
extern OSGDB_EXPORT std::string getServerFileName(const std::string& filename);

12
include/osgDB/Registry
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@@ -478,7 +478,13 @@ class OSGDB_EXPORT Registry : public osg::Referenced
/** Add an Archive extension.*/
void addArchiveExtension(const std::string ext);
/** registers a protocol */
void registerProtocol(const std::string& protocol);
/** returns true, if named protocol is registered */
bool isProtocolRegistered(const std::string& protocol);
protected:
virtual ~Registry();
@@ -491,6 +497,8 @@ class OSGDB_EXPORT Registry : public osg::Referenced
typedef std::pair<osg::ref_ptr<osg::Object>, double > ObjectTimeStampPair;
typedef std::map<std::string, ObjectTimeStampPair > ObjectCache;
typedef std::map<std::string, osg::ref_ptr<osgDB::Archive> > ArchiveCache;
typedef std::set<std::string> RegisteredProtocolsSet;
/** constructor is private, as its a singleton, preventing
construction other than via the instance() method and
@@ -508,6 +516,8 @@ class OSGDB_EXPORT Registry : public osg::Referenced
osg::ref_ptr<AuthenticationMap> _authenticationMap;
bool _createNodeFromImage;
RegisteredProtocolsSet _registeredProtocols;
osg::Object* readObject(DotOsgWrapperMap& dowMap,Input& fr);