Allow resolving relative urls when importing entities json

libraries/octree/src/Octree.cpp

@@ -685,8 +685,9 @@ bool Octree::readFromFile(const char* fileName) {
     QDataStream fileInputStream(&file);
     QFileInfo fileInfo(qFileName);
     uint64_t fileLength = fileInfo.size();
+    QUrl relativeURL = QUrl::fromLocalFile(qFileName).adjusted(QUrl::RemoveFilename);
 
-    bool success = readFromStream(fileLength, fileInputStream);
+    bool success = readFromStream(fileLength, fileInputStream, "", false, relativeURL);
 
     file.close();
 
@@ -708,7 +709,9 @@ bool Octree::readJSONFromGzippedFile(QString qFileName) {
     }
 
     QDataStream jsonStream(jsonData);
-    return readJSONFromStream(-1, jsonStream);
+    QUrl relativeURL = QUrl::fromLocalFile(qFileName).adjusted(QUrl::RemoveFilename);
+
+    return readJSONFromStream(-1, jsonStream, "", false, relativeURL);
 }
 
 // hack to get the marketplace id into the entities.  We will create a way to get this from a hash of
@@ -761,13 +764,15 @@ bool Octree::readFromURL(
     QByteArray uncompressedJsonData;
     bool wasCompressed = gunzip(data, uncompressedJsonData);
 
+    QUrl relativeURL = QUrl(urlString).adjusted(QUrl::RemoveFilename);
+
     if (wasCompressed) {
         QDataStream inputStream(uncompressedJsonData);
-        return readFromStream(uncompressedJsonData.size(), inputStream, marketplaceID);
+        return readFromStream(uncompressedJsonData.size(), inputStream, marketplaceID, isImport, relativeURL);
     }
 
     QDataStream inputStream(data);
-    return readFromStream(data.size(), inputStream, marketplaceID, isImport);
+    return readFromStream(data.size(), inputStream, marketplaceID, isImport, relativeURL);
 }
 
 bool Octree::readFromByteArray(
@@ -780,20 +785,23 @@ bool Octree::readFromByteArray(
     QByteArray uncompressedJsonData;
     bool wasCompressed = gunzip(data, uncompressedJsonData);
 
+    QUrl relativeURL = QUrl(urlString).adjusted(QUrl::RemoveFilename);
+
     if (wasCompressed) {
         QDataStream inputStream(uncompressedJsonData);
-        return readFromStream(uncompressedJsonData.size(), inputStream, marketplaceID);
+        return readFromStream(uncompressedJsonData.size(), inputStream, marketplaceID, false, relativeURL);
     }
 
     QDataStream inputStream(data);
-    return readFromStream(data.size(), inputStream, marketplaceID);
+    return readFromStream(data.size(), inputStream, marketplaceID, false, relativeURL);
 }
 
 bool Octree::readFromStream(
     uint64_t streamLength,
     QDataStream& inputStream,
     const QString& marketplaceID,
-    const bool isImport
+    const bool isImport,
+    const QUrl& relativeURL
 ) {
     // decide if this is binary SVO or JSON-formatted SVO
     QIODevice *device = inputStream.device();
@@ -806,7 +814,7 @@ bool Octree::readFromStream(
         return false;
     } else {
         qCDebug(octree) << "Reading from JSON SVO Stream length:" << streamLength;
-        return readJSONFromStream(streamLength, inputStream, marketplaceID, isImport);
+        return readJSONFromStream(streamLength, inputStream, marketplaceID, isImport, relativeURL);
     }
 }
 
@@ -837,7 +845,8 @@ bool Octree::readJSONFromStream(
     uint64_t streamLength,
     QDataStream& inputStream,
     const QString& marketplaceID, /*=""*/
-    const bool isImport
+    const bool isImport,
+    const QUrl& relativeURL
 ) {
     // if the data is gzipped we may not have a useful bytesAvailable() result, so just keep reading until
     // we get an eof.  Leave streamLength parameter for consistency.
@@ -858,7 +867,9 @@ bool Octree::readJSONFromStream(
     }
 
     OctreeEntitiesFileParser octreeParser;
+    octreeParser.relativeURL = relativeURL;
     octreeParser.setEntitiesString(jsonBuffer);
+
     QVariantMap asMap;
     if (!octreeParser.parseEntities(asMap)) {
         qCritical() << "Couldn't parse Entities JSON:" << octreeParser.getErrorString().c_str();

libraries/octree/src/Octree.h

@@ -218,8 +218,8 @@ public:
     bool readFromFile(const char* filename);
     bool readFromURL(const QString& url, const bool isObservable = true, const qint64 callerId = -1, const bool isImport = false); // will support file urls as well...
     bool readFromByteArray(const QString& url, const QByteArray& byteArray);
-    bool readFromStream(uint64_t streamLength, QDataStream& inputStream, const QString& marketplaceID="", const bool isImport = false);
-    bool readJSONFromStream(uint64_t streamLength, QDataStream& inputStream, const QString& marketplaceID="", const bool isImport = false);
+    bool readFromStream(uint64_t streamLength, QDataStream& inputStream, const QString& marketplaceID="", const bool isImport = false, const QUrl& urlString = QUrl());
+    bool readJSONFromStream(uint64_t streamLength, QDataStream& inputStream, const QString& marketplaceID="", const bool isImport = false, const QUrl& urlString = QUrl());
     bool readJSONFromGzippedFile(QString qFileName);
     virtual bool readFromMap(QVariantMap& entityDescription, const bool isImport = false) = 0;
 

libraries/octree/src/OctreeEntitiesFileParser.cpp

@@ -237,7 +237,75 @@ bool OctreeEntitiesFileParser::readEntitiesArray(QVariantList& entitiesArray) {
             return false;
         }
 
-        entitiesArray.append(entity.object());
+        QJsonObject entityObject = entity.object();
+
+        // resolve urls starting with ./ or ../ 
+        if (relativeURL.isEmpty() == false) {
+            bool isDirty = false;
+            
+            const QStringList urlKeys { 
+                // model
+                "modelURL",
+                "animation.url",
+                // image
+                "imageURL",
+                // web
+                "sourceUrl",
+                "scriptURL",
+                // zone
+                "ambientLight.ambientURL",
+                "skybox.url",
+                // particles
+                "textures",
+                // materials
+                "materialURL",
+                // ...shared
+                "href",
+                "script",
+                "serverScripts",
+                "collisionSoundURL",
+                "compoundShapeURL",
+                // TODO: deal with materialData and userData
+            };
+
+            for (const QString& key : urlKeys) {
+                if (key.contains('.')) {
+                    // url is inside another object
+                    const QStringList keyPair = key.split('.');
+                    const QString entityKey = keyPair[0];
+                    const QString childKey = keyPair[1];
+
+                    if (entityObject.contains(entityKey) && entityObject[entityKey].isObject()) {
+                        QJsonObject childObject = entityObject[entityKey].toObject();
+
+                        if (childObject.contains(childKey) && childObject[childKey].isString()) {
+                            const QString url = childObject[childKey].toString();
+    
+                            if (url.startsWith("./") || url.startsWith("../")) {
+                                childObject[childKey] = relativeURL.resolved(url).toString();
+                                entityObject[entityKey] = childObject;
+                                isDirty = true;
+                            }
+                        }
+                    }
+                } else {
+                    if (entityObject.contains(key) && entityObject[key].isString()) {
+                        const QString url = entityObject[key].toString();
+
+                        if (url.startsWith("./") || url.startsWith("../")) {
+                            entityObject[key] = relativeURL.resolved(url).toString();
+                            isDirty = true;
+                        }
+                    }
+                }
+            }
+
+            if (isDirty) {
+                entity.setObject(entityObject);
+            }
+        }
+
+        entitiesArray.append(entityObject);
         _position = matchingBrace;
         char c = nextToken();
         if (c == ']') {

libraries/octree/src/OctreeEntitiesFileParser.h

@@ -16,12 +16,14 @@
 
 #include <QByteArray>
 #include <QVariant>
+#include <QUrl>
 
 class OctreeEntitiesFileParser {
 public:
     void setEntitiesString(const QByteArray& entitiesContents);
     bool parseEntities(QVariantMap& parsedEntities);
     std::string getErrorString() const;
+    QUrl relativeURL;
 
 private:
     int nextToken();