Added function to get expansion properties directly from info.hxi

hi_core/hi_core/ExpansionHandler.cpp

@@ -513,6 +513,24 @@ juce::File ExpansionHandler::getExpansionTargetFolder(const File& resourceFile)
 	return File();
 }
 
+var ExpansionHandler::getPropertiesFromHxi(const File& hxiFile)
+{
+	FileInputStream fis(hxiFile);
+	auto hxiData = ValueTree::readFromStream(fis);
+
+	auto hxiTree = hxiData.getChildWithName(ExpansionIds::ExpansionInfo);
+
+	auto obj = new DynamicObject();
+
+	for (int i = 0; i < hxiTree.getNumProperties(); ++i)
+	{
+		Identifier propertyName = hxiTree.getPropertyName(i);
+		obj->setProperty(propertyName, hxiTree.getProperty(propertyName).toString());
+	}
+
+	return obj;
+}
+
 PooledAudioFile ExpansionHandler::loadAudioFileReference(const PoolReference& sampleId)
 {
 	AudioSampleBufferPool* pool = nullptr;

hi_core/hi_core/ExpansionHandler.h

@@ -315,6 +315,8 @@ class ExpansionHandler: public hlac::HlacArchiver::Listener,
 
 	void removeListener(Listener* l);
 
+	var getPropertiesFromHxi(const File& hxiFile);
+
 	bool installFromResourceFile(const File& f, const File& sampleDirectoryToUse);
 
 	File getExpansionTargetFolder(const File& resourceFile);

hi_scripting/scripting/api/ScriptExpansion.cpp

@@ -955,7 +955,8 @@ struct ScriptExpansionHandler::Wrapper
 	API_METHOD_WRAPPER_1(ScriptExpansionHandler, encodeWithCredentials);
 	API_METHOD_WRAPPER_0(ScriptExpansionHandler, refreshExpansions);
 	API_VOID_METHOD_WRAPPER_1(ScriptExpansionHandler, setAllowedExpansionTypes);
-	API_METHOD_WRAPPER_2(ScriptExpansionHandler, installExpansionFromPackage);
+	API_METHOD_WRAPPER_1(ScriptExpansionHandler, getPropertiesFromHxi);
+		API_METHOD_WRAPPER_2(ScriptExpansionHandler, installExpansionFromPackage);
 	API_METHOD_WRAPPER_1(ScriptExpansionHandler, getExpansionForInstallPackage);
 };
 
@@ -980,6 +981,7 @@ ScriptExpansionHandler::ScriptExpansionHandler(JavascriptProcessor* jp_) :
 	ADD_API_METHOD_1(setInstallFullDynamics);
 	ADD_API_METHOD_1(encodeWithCredentials);
 	ADD_API_METHOD_0(refreshExpansions);
+	ADD_API_METHOD_1(getPropertiesFromHxi);
 	ADD_API_METHOD_2(installExpansionFromPackage);
 	ADD_API_METHOD_1(setAllowedExpansionTypes);
 	ADD_API_METHOD_0(getCurrentExpansion);
@@ -1136,6 +1138,24 @@ bool ScriptExpansionHandler::encodeWithCredentials(var hxiFile)
 	}
 }
 
+var ScriptExpansionHandler::getPropertiesFromHxi(var hxiFile)
+{
+	if (auto f = dynamic_cast<ScriptingObjects::ScriptFile*>(hxiFile.getObject()))
+	{
+		if (!f->f.existsAsFile())
+			reportScriptError(f->toString(0) + " doesn't exist");
+
+		auto result = getMainController()->getExpansionHandler().getPropertiesFromHxi(f->f);
+
+		return var(result);
+	}
+	else
+	{
+		reportScriptError("argument is not a file");
+		return var();
+	}
+}
+
 bool ScriptExpansionHandler::installExpansionFromPackage(var packageFile, var sampleDirectory)
 {
 	if (auto f = dynamic_cast<ScriptingObjects::ScriptFile*>(packageFile.getObject()))

hi_scripting/scripting/api/ScriptExpansion.h

@@ -245,6 +245,9 @@ class ScriptExpansionHandler : public ConstScriptingObject,
 	/** Encrypts the given hxi file. */
 	bool encodeWithCredentials(var hxiFile);
 
+	/** Get the Expansion properties directly from an info.hxi file */
+	var getPropertiesFromHxi(var hxiFile);
+
 	/** Decompresses the samples and installs the .hxi / .hxp file. */
 	bool installExpansionFromPackage(var packageFile, var sampleDirectory);