Implemented some zathura_document wrapper functions

document.c

@@ -235,6 +235,87 @@ zathura_document_free(zathura_document_t* document)
   return error;
 }
 
+const char*
+zathura_document_get_path(zathura_document_t* document)
+{
+  if (document == NULL) {
+    return NULL;
+  }
+
+  return document->file_path;
+}
+
+const char*
+zathura_document_get_password(zathura_document_t* document)
+{
+  if (document == NULL) {
+    return NULL;
+  }
+
+  return document->password;
+}
+
+void*
+zathura_document_get_data(zathura_document_t* document)
+{
+  if (document == NULL) {
+    return NULL;
+  }
+
+  return document->data;
+}
+
+void
+zathura_document_set_data(zathura_document_t* document, void* data)
+{
+  if (document == NULL) {
+    return;
+  }
+
+  document->data = data;
+}
+
+unsigned int
+zathura_document_get_number_of_pages(zathura_document_t* document)
+{
+  if (document == NULL) {
+    return 0;
+  }
+
+  return document->number_of_pages;
+}
+
+void
+zathura_document_set_number_of_pages(zathura_document_t* document, unsigned int number_of_pages)
+{
+  if (document == NULL) {
+    return;
+  }
+
+  document->number_of_pages = number_of_pages;
+}
+
+unsigned int
+zathura_document_get_current_page(zathura_document_t* document)
+{
+  if (document == NULL) {
+    return 0;
+  }
+
+  return document->current_page_number;
+}
+
+void
+zathura_document_set_current_page(zathura_document_t* document, unsigned int
+    current_page)
+{
+  if (document == NULL) {
+    return;
+  }
+
+  document->current_page_number = current_page;
+}
+
 zathura_error_t
 zathura_document_save_as(zathura_document_t* document, const char* path)
 {

document.h

@@ -64,6 +64,22 @@ struct zathura_document_s
 zathura_document_t* zathura_document_open(zathura_t* zathura, const char* path,
     const char* password);
 
+/**
+ * Returns the path of the document
+ *
+ * @param document The document
+ * @return The file path of the document
+ */
+const char* zathura_document_get_path(zathura_document_t* document);
+
+/**
+ * Returns the password of the document
+ *
+ * @param document The document
+ * @return Returns the password of the document
+ */
+const char* zathura_document_get_password(zathura_document_t* document);
+
 /**
  * Free the document
  *
@@ -73,6 +89,56 @@ zathura_document_t* zathura_document_open(zathura_t* zathura, const char* path,
  */
 zathura_error_t zathura_document_free(zathura_document_t* document);
 
+/**
+ * Returns the private data of the document
+ *
+ * @param document The document
+ * @return The private data or NULL
+ */
+void* zathura_document_get_data(zathura_document_t* document);
+
+/**
+ * Returns the number of pages
+ *
+ * @param document The document
+ * @return Number of pages
+ */
+unsigned int zathura_document_get_number_of_pages(zathura_document_t* document);
+
+/**
+ * Sets the number of pages
+ *
+ * @param document The document
+ * @param number_of_pages Number of pages
+ */
+void zathura_document_set_number_of_pages(zathura_document_t* document, unsigned
+    int number_of_pages);
+
+/**
+ * Returns the current page number
+ *
+ * @param document The document
+ * @return Current page
+ */
+unsigned int zathura_document_get_current_page(zathura_document_t* document);
+
+/**
+ * Sets the number of pages
+ *
+ * @param document The document
+ * @param current_page The current page number
+ */
+void zathura_document_set_current_page(zathura_document_t* document, unsigned
+    int current_page);
+
+/**
+ * Sets the private data of the document
+ *
+ * @param document The document
+ * @param data The new private data
+ */
+void zathura_document_set_data(zathura_document_t* document, void* data);
+
 /**
  * Save the document
  *