From c8067ddaf19ccd9c6d782367cfdb0bf2a9310eb3 Mon Sep 17 00:00:00 2001
From: zvon <tom.zvon@gmail.com>
Date: Thu, 17 Jan 2019 17:33:13 +0100
Subject: [PATCH] Delete unused function, add a few comments

---
 functions.cpp | 15 ++-------------
 functions.hpp |  1 -
 tv_rename.cpp |  1 +
 3 files changed, 3 insertions(+), 14 deletions(-)

diff --git a/functions.cpp b/functions.cpp
index 54b8941..53c57ed 100644
--- a/functions.cpp
+++ b/functions.cpp
@@ -36,6 +36,8 @@ std::string Curl::execute(const std::string &url) {
     return source;
 }
 
+// return true if filename has specified season
+// set ep_pos to position where episode number starts
 bool searchSpecificSeason(const char *const p, size_t &ep_pos, const std::string &number) {
     size_t cur_pos{};
     bool found_season{false};
@@ -133,19 +135,6 @@ void iterateFS(std::map<int, std::set<std::string>> &seasons, const std::string
     }
 }
 
-void iterateFS(std::set<int> &seasons, const std::string &path) {
-    size_t season_pos{std::string::npos}; // season_pos - position of first digit of the season
-    for( const auto p: FSLib::Directory(path) ) {
-        if(FSLib::isDirectory(path + "/" + p)) {
-            iterateFS(seasons, path + "/" + p);
-            continue;
-        }
-
-        if( searchSeason(p, season_pos) )
-            seasons.insert(atoi(p+season_pos));
-    }
-}
-
 std::string getDefUrl( std::string show, const std::string &language, Curl &c ) {
     std::replace(show.begin(), show.end(), ' ', '+');
     auto source_code = c.execute("https://www.thetvdb.com/search?q=" + show + "&l=" + language);
diff --git a/functions.hpp b/functions.hpp
index f09a130..0030806 100644
--- a/functions.hpp
+++ b/functions.hpp
@@ -19,7 +19,6 @@ std::string getDefUrl( std::string show, const std::string &language, Curl &c );
 void findSeason(std::set<std::string> &files, int season, const std::string &path);
 void findSeasons(std::map<int, std::set<std::string>> &seasons, const std::string &path, const std::set<int> &season_numbers);
 void iterateFS(std::map<int, std::set<std::string>> &seasons, const std::string &path);
-void iterateFS(std::set<int> &seasons, const std::string &path);
 void printHelp();
 
 bool searchSpecificSeason(const char *const p, size_t &ep_pos, const std::string &number);
diff --git a/tv_rename.cpp b/tv_rename.cpp
index a40ac0c..025daf2 100644
--- a/tv_rename.cpp
+++ b/tv_rename.cpp
@@ -248,6 +248,7 @@ void singleSeason( const std::string &path, const std::string &show, int season,
             dir = x.substr(0, last);
         }
         unsigned long num;
+        // get file's episode number
         if( searchSpecificSeason(x.c_str(), pos, std::to_string(season)) ) {
             num = atoi(x.c_str()+pos);
         } else {