--- /dev/null
+package eu.svjatoslav.sixth.core.document.content;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Things like:
+ * #+RESULTS:
+ * #+LATEX_HEADER: \\usepackage{parskip}
+ * #+OPTIONS: H:20 num:20
+ * #+attr_latex: :width 300px
+ */
+
+public class DocumentPropertyCollection implements Content {
+ private Map<String, List<String>> keyToValue = new HashMap<>();
+
+ @Override
+ public void toMD(StringBuilder sb, int indent) {
+ }
+
+ public void addProperty(String key, String value){
+ getOrCreateValueList(key).add(value);
+ }
+
+ private List<String> getOrCreateValueList(String key){
+ String actualKey = key.toLowerCase();
+ if (keyToValue.containsKey(actualKey))
+ return keyToValue.get(actualKey);
+
+ List valueList = new ArrayList<String>();
+ keyToValue.put(actualKey, valueList);
+ return valueList;
+ }
+
+ public boolean hasProperty(String key){
+ return keyToValue.containsKey(key.toLowerCase());
+ }
+}