Speed up EPG loading

With kodi-pvr#269 there are two regex which are evaluated on every function call. In my case loading time was increased from 800msec to 10sec. This PR replaces those regex with static one. For Leia branch.
vpeter4 · Sep 22, 2019 · 23cdcf1 · 23cdcf1
1 parent a19d662
commit 23cdcf1
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Showing 3 changed files with 8 additions and 3 deletions.
diff --git a/pvr.iptvsimple/addon.xml.in b/pvr.iptvsimple/addon.xml.in
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <addon
   id="pvr.iptvsimple"
-  version="3.8.2"
+  version="3.8.3"
   name="PVR IPTV Simple Client"
   provider-name="nightik">
   <requires>@ADDON_DEPENDS@</requires>

diff --git a/pvr.iptvsimple/changelog.txt b/pvr.iptvsimple/changelog.txt
@@ -1,3 +1,6 @@
+v3.8.3
+- Speed up EPG loading
+
 v3.8.2
 - Update github wiki link in addon.xml
 

diff --git a/src/PVRIptvData.cpp b/src/PVRIptvData.cpp
@@ -534,10 +534,12 @@ bool PVRIptvData::ParseXmltvNsEpisodeNumberInfo(const std::string& episodeNumber
 
 bool PVRIptvData::ParseOnScreenEpisodeNumberInfo(const std::string& episodeNumberString, PVRIptvEpgEntry& entry)
 {
-  const std::string text = std::regex_replace(episodeNumberString, std::regex("[ \\txX_\\.]"), "");
+  static const std::regex numRegex("[ \\txX_\\.]");
+  static const std::regex epRegex("^[sS]([0-9][0-9]*)[eE][pP]?([0-9][0-9]*)$");
+  const std::string text = std::regex_replace(episodeNumberString, numRegex, "");
 
   std::smatch match;
-  if (std::regex_match(text, match, std::regex("^[sS]([0-9][0-9]*)[eE][pP]?([0-9][0-9]*)$")))
+  if (std::regex_match(text, match, epRegex))
   {
     if (match.size() == 3)
     {