1 files changed, 15 insertions, 3 deletions
diff --git a/oop2eindopdr/CacheManager.h b/oop2eindopdr/CacheManager.h
index 1e0a565..9bd47e3 100644
--- a/oop2eindopdr/CacheManager.h
+++ b/oop2eindopdr/CacheManager.h
@@ -15,7 +15,19 @@ private:
 
 	const unsigned int max_tries = 100;
 
-	virtual void retry(std::string label, std::function<void()> action, std::function<bool()> retry_if);
+	/**
+	 * @brief retry `action` as long as `retry_if` returns false, until `max_tries`
+	 *
+	 * @param label  this label gets printed if retry_count exceeds max_tries
+	 * @param check_pre  `true` = check `retry_if` before `action`, `false` = check `retry_if` after `action`
+	 * @param action  this gets executed as long as `retry_if` returns false
+	 * @param retry_if  this returns whether `action` is successful (boolean)
+	 */
+	virtual void retry(std::string label, bool check_pre, std::function<void()> action, std::function<bool()> retry_if);
+	/** @brief alias for `retry` with `check_pre` = false (check after action) */
+	virtual void retry_while(std::string label, std::function<void()> action, std::function<bool()> retry_if) { retry(label, false, action, retry_if); };
+	/** @brief alias for `retry` with `check_pre` = true (check before action) */
+	virtual void retry_if(std::string label, std::function<void()> action, std::function<bool()> retry_if) { retry(label, true, action, retry_if); };
 public:
 	/** @brief initialize CacheManager class at `cache_path` */
 	CacheManager(const char* cache_path);
@@ -35,10 +47,10 @@ public:
 
 	/** @brief get fstream for file in cache or create file */
 	virtual std::fstream* cache_get(const char* filename);
-	virtual std::fstream* cache_get(std::string filename);
+	virtual std::fstream* cache_get(std::string filename) { return cache_get(filename.c_str()); };
 	/** @brief check if file exists in cache */
 	virtual bool cache_exists(const char* filename);
-	virtual bool cache_exists(std::string filename);
+	virtual bool cache_exists(std::string filename) { return cache_exists(filename.c_str()); };
 
 	/** @brief add cache path before filename */
 	virtual std::string prefix_cache_path(const char* filename);