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Moved the supports*() method into public scope to allow external injection of supported formats. Added docs to clearly state this type of inject is not generally supported by ReaderWriters.

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This commit is contained in:
Robert Osfield 2009-12-16 15:48:34 +00:00
parent e325b8f45a
commit 7a80f5bcfa
1 changed files with 18 additions and 4 deletions
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22
include/osgDB/ReaderWriter
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@ -234,11 +234,25 @@ class OSGDB_EXPORT ReaderWriter : public osg::Object
virtual WriteResult writeNode(const osg::Node& /*node*/,std::ostream& /*fout*/,const Options* =NULL) const { return WriteResult(WriteResult::NOT_IMPLEMENTED); }
virtual WriteResult writeShader(const osg::Shader& /*shader*/,std::ostream& /*fout*/,const Options* =NULL) const { return WriteResult(WriteResult::NOT_IMPLEMENTED); }
protected:
/** Specify fmt string as a supported protocol.
* Please note, this method should usually only be used internally by subclasses of ReaderWriter, Only in special cases
* will a ReaderWriter implementation be able to handle a protocol format that is wasn't original designed for.
* To know whether it's safe to inject a new protocol format to an existing ReaderWriter you will need to review
* the source code and dependencies of that ReaderWriter. */
void supportsProtocol(const std::string& fmt, const std::string& description);
void supportsExtension(const std::string& fmt, const std::string& description);
void supportsOption(const std::string& fmt, const std::string& description);
/** Specify ext string as a supported file extension.
* Please note, this method should usually only be used internally by subclasses of ReaderWriter. Only in special cases
* will a ReaderWriter implementation be able to handle a file extension that is wasn't original designed for.
* To know whether it's safe to inject a new file extension to an existing ReaderWriter you will need to review the
* the source code and dependencies of that ReaderWriter. */
void supportsExtension(const std::string& ext, const std::string& description);
/** Specify option string as a supported option string.
* Please note, this should usually only be used internally by subclasses of ReaderWriter. */
void supportsOption(const std::string& opt, const std::string& description);
protected:
FormatDescriptionMap _supportedProtocols;
FormatDescriptionMap _supportedExtensions;