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Add support for showing environment variables provided by osg plugins

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This commit is contained in:
Ralf Habacker 2020-05-26 13:55:48 +02:00
parent 47207248d4
commit c3108697de
4 changed files with 28 additions and 0 deletions
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1
include/osgDB/PluginQuery
View File

@ -40,6 +40,7 @@ class ReaderWriterInfo : public osg::Referenced
ReaderWriter::FormatDescriptionMap protocols;
ReaderWriter::FormatDescriptionMap extensions;
ReaderWriter::FormatDescriptionMap options;
ReaderWriter::FormatDescriptionMap environment;
ReaderWriter::Features features;
protected:

7
include/osgDB/ReaderWriter
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@ -63,6 +63,9 @@ class OSGDB_EXPORT ReaderWriter : public osg::Object
/** Return which list of file extensions supported by ReaderWriter. */
virtual const FormatDescriptionMap& supportedOptions() const { return _supportedOptions; }
/** Return which list of file environment variables supported by ReaderWriter. */
virtual const FormatDescriptionMap& supportedEnvironment() const { return _supportedEnvironment; }
/** Return true if ReaderWriter accepts specified file extension.*/
virtual bool acceptsExtension(const std::string& /*extension*/) const;
@ -282,11 +285,15 @@ class OSGDB_EXPORT ReaderWriter : public osg::Object
* Please note, this should usually only be used internally by subclasses of ReaderWriter. */
void supportsOption(const std::string& opt, const std::string& description);
/** Specify env string as a supported environment string. */
void supportsEnvironment(const std::string& opt, const std::string& description);
protected:
FormatDescriptionMap _supportedProtocols;
FormatDescriptionMap _supportedExtensions;
FormatDescriptionMap _supportedOptions;
FormatDescriptionMap _supportedEnvironment;
};
}

15
src/osgDB/PluginQuery.cpp
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@ -82,6 +82,7 @@ bool osgDB::queryPlugin(const std::string& fileName, ReaderWriterInfoList& infoL
rwi->protocols = rw->supportedProtocols();
rwi->extensions = rw->supportedExtensions();
rwi->options = rw->supportedOptions();
rwi->environment = rw->supportedEnvironment();
rwi->features = rw->supportedFeatures();
infoList.push_back(rwi.get());
@ -153,6 +154,13 @@ bool osgDB::outputPluginDetails(std::ostream& out, const std::string& fileName)
if (fdm_itr->first.length()>longestOptionLength) longestOptionLength = fdm_itr->first.length();
}
for(fdm_itr = info.environment.begin();
fdm_itr != info.environment.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();
@ -175,6 +183,13 @@ bool osgDB::outputPluginDetails(std::ostream& out, const std::string& fileName)
{
out<<" options : "<<padwithspaces(fdm_itr->first, padLength)<<fdm_itr->second<<std::endl;
}
for(fdm_itr = info.environment.begin();
fdm_itr != info.environment.end();
++fdm_itr)
{
out<<" environment: "<<padwithspaces(fdm_itr->first, padLength)<<fdm_itr->second<<std::endl;
}
out<<" }"<<std::endl;
}
out<<"}"<<std::endl<<std::endl;

5
src/osgDB/ReaderWriter.cpp
View File

@ -128,6 +128,11 @@ void ReaderWriter::supportsOption(const std::string& fmt, const std::string& des
_supportedOptions[fmt] = description;
}
void ReaderWriter::supportsEnvironment(const std::string& fmt, const std::string& description)
{
_supportedEnvironment[fmt] = description;
}
ReaderWriter::Features ReaderWriter::supportedFeatures() const
{
int features = FEATURE_NONE;