1 files changed, 272 insertions, 0 deletions
diff --git a/xbmc/platform/posix/PosixTimezone.cpp b/xbmc/platform/posix/PosixTimezone.cpp
new file mode 100644
index 0000000..6f276a3
--- /dev/null
+++ b/xbmc/platform/posix/PosixTimezone.cpp
@@ -0,0 +1,272 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include <time.h>
+#ifdef TARGET_ANDROID
+#include "platform/android/bionic_supplement/bionic_supplement.h"
+#endif
+#include "PlatformDefs.h"
+#include "PosixTimezone.h"
+#include "utils/SystemInfo.h"
+
+#include "ServiceBroker.h"
+#include "utils/StringUtils.h"
+#include "XBDateTime.h"
+#include "settings/lib/Setting.h"
+#include "settings/lib/SettingDefinitions.h"
+#include "settings/Settings.h"
+#include "settings/SettingsComponent.h"
+#include <stdlib.h>
+
+#include <algorithm>
+
+CPosixTimezone::CPosixTimezone()
+{
+   char* line = NULL;
+   size_t linelen = 0;
+   int nameonfourthfield = 0;
+   std::string s;
+   std::vector<std::string> tokens;
+
+   // Load timezones
+   FILE* fp = fopen("/usr/share/zoneinfo/zone.tab", "r");
+   if (fp)
+   {
+      std::string countryCode;
+      std::string timezoneName;
+
+      while (getdelim(&line, &linelen, '\n', fp) > 0)
+      {
+         tokens.clear();
+         s = line;
+         StringUtils::Trim(s);
+
+         if (s.length() == 0)
+            continue;
+
+         if (s[0] == '#')
+            continue;
+
+         StringUtils::Tokenize(s, tokens, " \t");
+         if (tokens.size() < 3)
+            continue;
+
+         countryCode = tokens[0];
+         timezoneName = tokens[2];
+
+         if (m_timezonesByCountryCode.count(countryCode) == 0)
+         {
+            std::vector<std::string> timezones;
+            timezones.push_back(timezoneName);
+            m_timezonesByCountryCode[countryCode] = timezones;
+         }
+         else
+         {
+            std::vector<std::string>& timezones = m_timezonesByCountryCode[countryCode];
+            timezones.push_back(timezoneName);
+         }
+
+         m_countriesByTimezoneName[timezoneName] = countryCode;
+      }
+      fclose(fp);
+   }
+
+   if (line)
+   {
+     free(line);
+     line = NULL;
+     linelen = 0;
+   }
+
+   // Load countries
+   fp = fopen("/usr/share/zoneinfo/iso3166.tab", "r");
+   if (!fp)
+   {
+      fp = fopen("/usr/share/misc/iso3166", "r");
+      nameonfourthfield = 1;
+   }
+   if (fp)
+   {
+      std::string countryCode;
+      std::string countryName;
+
+      while (getdelim(&line, &linelen, '\n', fp) > 0)
+      {
+         s = line;
+         StringUtils::Trim(s);
+
+        //! @todo STRING_CLEANUP
+         if (s.length() == 0)
+            continue;
+
+         if (s[0] == '#')
+            continue;
+
+         // Search for the first non space from the 2nd character and on
+         int i = 2;
+         while (s[i] == ' ' || s[i] == '\t') i++;
+
+         if (nameonfourthfield)
+         {
+            // skip three letter
+            while (s[i] != ' ' && s[i] != '\t') i++;
+            while (s[i] == ' ' || s[i] == '\t') i++;
+            // skip number
+            while (s[i] != ' ' && s[i] != '\t') i++;
+            while (s[i] == ' ' || s[i] == '\t') i++;
+         }
+
+         countryCode = s.substr(0, 2);
+         countryName = s.substr(i);
+
+         m_counties.push_back(countryName);
+         m_countryByCode[countryCode] = countryName;
+         m_countryByName[countryName] = countryCode;
+      }
+      sort(m_counties.begin(), m_counties.end(), sortstringbyname());
+      fclose(fp);
+   }
+   free(line);
+}
+
+void CPosixTimezone::OnSettingChanged(const std::shared_ptr<const CSetting>& setting)
+{
+  if (setting == NULL)
+    return;
+
+  const std::string &settingId = setting->GetId();
+  if (settingId == CSettings::SETTING_LOCALE_TIMEZONE)
+  {
+    SetTimezone(std::static_pointer_cast<const CSettingString>(setting)->GetValue());
+
+    CDateTime::ResetTimezoneBias();
+  }
+  else if (settingId == CSettings::SETTING_LOCALE_TIMEZONECOUNTRY)
+  {
+    // nothing to do here. Changing locale.timezonecountry will trigger an
+    // update of locale.timezone and automatically adjust its value
+    // and execute OnSettingChanged() for it as well (see above)
+  }
+}
+
+void CPosixTimezone::OnSettingsLoaded()
+{
+  SetTimezone(CServiceBroker::GetSettingsComponent()->GetSettings()->GetString(CSettings::SETTING_LOCALE_TIMEZONE));
+  CDateTime::ResetTimezoneBias();
+}
+
+std::vector<std::string> CPosixTimezone::GetCounties()
+{
+   return m_counties;
+}
+
+std::vector<std::string> CPosixTimezone::GetTimezonesByCountry(const std::string& country)
+{
+   return m_timezonesByCountryCode[m_countryByName[country]];
+}
+
+std::string CPosixTimezone::GetCountryByTimezone(const std::string& timezone)
+{
+#if defined(TARGET_DARWIN)
+   return "?";
+#else
+   return m_countryByCode[m_countriesByTimezoneName[timezone]];
+#endif
+}
+
+void CPosixTimezone::SetTimezone(const std::string& timezoneName)
+{
+#if !defined(TARGET_DARWIN)
+  bool use_timezone = true;
+#else
+  bool use_timezone = false;
+#endif
+
+  if (use_timezone)
+  {
+    static char env_var[255];
+    sprintf(env_var, "TZ=:%s", timezoneName.c_str());
+    putenv(env_var);
+    tzset();
+  }
+}
+
+std::string CPosixTimezone::GetOSConfiguredTimezone()
+{
+   char timezoneName[255];
+
+   // try Slackware approach first
+   ssize_t rlrc = readlink("/etc/localtime-copied-from"
+                           , timezoneName, sizeof(timezoneName)-1);
+
+   // RHEL and maybe other distros make /etc/localtime a symlink
+   if (rlrc == -1)
+     rlrc = readlink("/etc/localtime", timezoneName, sizeof(timezoneName)-1);
+
+   if (rlrc != -1)
+   {
+     timezoneName[rlrc] = '\0';
+
+     char* p = strrchr(timezoneName,'/');
+     if (p)
+     { // we want the previous '/'
+       char* q = p;
+       *q = 0;
+       p = strrchr(timezoneName,'/');
+       *q = '/';
+       if (p)
+         p++;
+     }
+     return p;
+   }
+
+   // now try Debian approach
+   timezoneName[0] = 0;
+   FILE* fp = fopen("/etc/timezone", "r");
+   if (fp)
+   {
+      if (fgets(timezoneName, sizeof(timezoneName), fp))
+        timezoneName[strlen(timezoneName)-1] = '\0';
+      fclose(fp);
+   }
+
+   return timezoneName;
+}
+
+void CPosixTimezone::SettingOptionsTimezoneCountriesFiller(
+    const std::shared_ptr<const CSetting>& setting,
+    std::vector<StringSettingOption>& list,
+    std::string& current,
+    void* data)
+{
+  std::vector<std::string> countries = g_timezone.GetCounties();
+  for (unsigned int i = 0; i < countries.size(); i++)
+    list.emplace_back(countries[i], countries[i]);
+}
+
+void CPosixTimezone::SettingOptionsTimezonesFiller(const std::shared_ptr<const CSetting>& setting,
+                                                   std::vector<StringSettingOption>& list,
+                                                   std::string& current,
+                                                   void* data)
+{
+  current = std::static_pointer_cast<const CSettingString>(setting)->GetValue();
+  bool found = false;
+  std::vector<std::string> timezones = g_timezone.GetTimezonesByCountry(CServiceBroker::GetSettingsComponent()->GetSettings()->GetString(CSettings::SETTING_LOCALE_TIMEZONECOUNTRY));
+  for (unsigned int i = 0; i < timezones.size(); i++)
+  {
+    if (!found && StringUtils::EqualsNoCase(timezones[i], current))
+      found = true;
+
+    list.emplace_back(timezones[i], timezones[i]);
+  }
+
+  if (!found && !timezones.empty())
+    current = timezones[0];
+}
+
+CPosixTimezone g_timezone;