pivaluetreeconversions add file methods

libs/main/serialization/pivaluetree_conversions.cpp

@@ -319,3 +319,28 @@ PIValueTree PIValueTreeConversions::fromText(const PIString & str) {
 	PIIOString dev(str);
 	return fromText(&dev);
 }
+
+
+PIValueTree PIValueTreeConversions::fromJSONFile(const PIString & path) {
+	return PIValueTreeConversions::fromJSON(PIJSON::fromJSON(PIString::fromUTF8(PIFile::readAll(path))));
+}
+
+
+PIValueTree PIValueTreeConversions::fromTextFile(const PIString & path) {
+	PIFile f(path, PIIODevice::ReadOnly);
+	return PIValueTreeConversions::fromText(&f);
+}
+
+
+bool PIValueTreeConversions::toJSONFile(const PIString & path, const PIValueTree & root, Options options) {
+	auto d      = toJSON(root, options).toJSON(PIJSON::Tree).toUTF8();
+	int written = PIFile::writeAll(path, d);
+	return written == d.size_s();
+}
+
+
+bool PIValueTreeConversions::toTextFile(const PIString & path, const PIValueTree & root, Options options) {
+	auto d      = toText(root, options).toUTF8();
+	int written = PIFile::writeAll(path, d);
+	return written == d.size_s();
+}