nn_olv: Added community related API (#873)

- Initialize
- Download communities (self-made / favorites / officials)
- Upload communities (create subcommunity)
- Upload favorite status (Add/Delete favorite to a subcommunity)

Enough for support of Mario Kart 8 tournaments

src/Cafe/TitleList/ParsedMetaXml.h

@@ -16,6 +16,8 @@ struct ParsedMetaXml
 	std::array<std::string, 12> m_short_name;
 	std::array<std::string, 12> m_publisher;
 
+	uint32 m_olv_accesskey;
+
 	std::string GetShortName(CafeConsoleLanguage languageId) const
 	{
 		return m_short_name[(size_t)languageId].empty() ? m_short_name[(size_t)CafeConsoleLanguage::EN] : m_short_name[(size_t)languageId];
@@ -51,6 +53,11 @@ struct ParsedMetaXml
 		return m_company_code;
 	}
 
+	uint32 GetOlvAccesskey() const
+	{
+		return m_olv_accesskey;
+	}
+
 	static ParsedMetaXml* Parse(uint8* xmlData, size_t xmlSize)
 	{
 		if (xmlSize == 0)
@@ -98,6 +105,8 @@ struct ParsedMetaXml
 				if (index != -1)
 					parsedMetaXml->m_publisher[index] = child.text().as_string();
 			}
+			else if (boost::starts_with(name, L"olv_accesskey"))
+				parsedMetaXml->m_olv_accesskey = child.text().as_uint(-1);
 		}
 		if (parsedMetaXml->m_title_id == 0)
 		{

src/Cafe/TitleList/TitleInfo.cpp

@@ -615,6 +615,16 @@ CafeConsoleRegion TitleInfo::GetMetaRegion() const
 	return CafeConsoleRegion::JPN;
 }
 
+uint32 TitleInfo::GetOlvAccesskey() const
+{
+	cemu_assert_debug(m_isValid);
+	if (m_parsedMetaXml)
+		return m_parsedMetaXml->GetOlvAccesskey();
+
+	cemu_assert_suspicious();
+	return -1;
+}
+
 std::string TitleInfo::GetArgStr() const
 {
 	cemu_assert_debug(m_parsedCosXml);

src/Cafe/TitleList/TitleInfo.h

@@ -122,6 +122,7 @@ public:
 	uint32 GetAppType() const; // from app.xml
 	std::string GetTitleName() const; // from meta.xml
 	CafeConsoleRegion GetMetaRegion() const; // from meta.xml
+	uint32 GetOlvAccesskey() const;
 
 	// cos.xml
 	std::string GetArgStr() const;