first draft of new jsonGallery

Josh Klontz
1 parent c4c4e5ad
Showing 2 changed files with 74 additions and 2 deletions
openbr/plugins/gallery/binary.cpp
openbr/plugins/gallery/json.cpp
@@ -261,7 +261,7 @@ BR_REGISTER(Gallery, urlGallery)
  * \brief Newline-separated JSON objects.
  * \author Josh Klontz \cite jklontz
  */
-class jsonGallery : public BinaryGallery
+class jsonObjectGallery : public BinaryGallery
 {
     Q_OBJECT
  
@@ -289,7 +289,7 @@ class jsonGallery : public BinaryGallery
     }
 };
  
-BR_REGISTER(Gallery, jsonGallery)
+BR_REGISTER(Gallery, jsonObjectGallery)
  
 } // namespace br
  
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright 2017 Rank One Computing Corporation                             *
+ *                                                                           *
+ * Licensed under the Apache License, Version 2.0 (the "License");           *
+ * you may not use this file except in compliance with the License.          *
+ * You may obtain a copy of the License at                                   *
+ *                                                                           *
+ *     http://www.apache.org/licenses/LICENSE-2.0                            *
+ *                                                                           *
+ * Unless required by applicable law or agreed to in writing, software       *
+ * distributed under the License is distributed on an "AS IS" BASIS,         *
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  *
+ * See the License for the specific language governing permissions and       *
+ * limitations under the License.                                            *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <openbr/plugins/openbr_internal.h>
+
+namespace br
+{
+
+/*!
+ * \ingroup galleries
+ * \brief Treats the file as a JSON document.
+ * \author Josh Klontz \cite jklontz
+ */
+class jsonGallery : public FileGallery
+{
+    Q_OBJECT
+    Q_PROPERTY(QString label READ get_label WRITE set_label RESET reset_label STORED false)
+    BR_PROPERTY(QString, label, "PersonID")
+
+    TemplateList readBlock(bool *done)
+    {
+        *done = true;
+
+        if (!readOpen())
+            qFatal("Failed to open JSON file!");
+
+        QJsonParseError jsonParseError;
+        const QJsonDocument jsonDocument = QJsonDocument::fromJson(f.readAll(), &jsonParseError);
+        if (jsonParseError.error != QJsonParseError::NoError)
+            qFatal("%s", qPrintable(jsonParseError.error));
+
+        if (!jsonDocument.isArray())
+            qFatal("Expected JSON document to be an array!");
+
+        TemplateList result;
+        foreach (const QJsonValue &value, jsonDocument.array()) {
+            File file(value.toObject().toVariantMap());
+            if (!label.isEmpty() && file.contains(label))
+                file.set("Label", file.get<QString>(label));
+            result.append(file);
+        }
+
+        return result;
+    }
+
+    void write(const Template &)
+    {
+        qFatal("Not implemented!");
+    }
+};
+
+BR_REGISTER(Gallery, jsonGallery)
+
+} // namespace br
+
+#include "gallery/json.moc"