[EDF29150] : head monitoring file management

[modules/kernel.git] / src / Basics / Basics_Utils.cxx

diff --git a/src/Basics/Basics_Utils.cxx b/src/Basics/Basics_Utils.cxx
index cbbbc769c03155be54c0ffd2617a7ee0bc761ec0..d5de49184e28902721d9d2492375f71ca81a5243 100644 (file)
--- a/src/Basics/Basics_Utils.cxx
+++ b/src/Basics/Basics_Utils.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2015  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2023  CEA, EDF, OPEN CASCADE
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
@@ -18,7 +18,7 @@
 //
 
 //  File   : Basics_Utils.cxx
-//  Autor  : Alexander A. BORODIN
+//  Author  : Alexander A. BORODIN
 //  Module : SALOME
 //
 
@@ -32,6 +32,8 @@
 #include <execinfo.h>
 #endif
 
+#include <memory>
+#include <functional>
 
 namespace Kernel_Utils
 {
@@ -40,13 +42,13 @@ namespace Kernel_Utils
   {
     int ls = 100, r = 1;
     char *s;
-    
+
     while (ls < 10000 && r)
       {
         ls *= 2;
         s = new char[ls];
         r = gethostname(s, ls-1);//threadsafe see man 7 pthread
-        switch (r) 
+        switch (r)
           {
           case 0:
             break;
@@ -58,38 +60,49 @@ namespace Kernel_Utils
           case ENAMETOOLONG:
 #endif
 #ifdef WIN32
-          case WSAEFAULT:  
+          case WSAEFAULT:
 #endif
             delete [] s;
             continue;
           }
-        
+
       }
-    
+
     if (r != 0)
       {
         s = new char[50];
         strcpy(s, "localhost");
       }
-    
+
     // remove all after '.'
     char *aDot = (strchr(s,'.'));
     if (aDot) aDot[0] = '\0';
-    
+
     std::string p = s;
     delete [] s;
     return p;
   }
-  
+
   Localizer::Localizer()
   {
-    myCurLocale = setlocale(LC_NUMERIC, 0);
-    setlocale(LC_NUMERIC, "C");
+    init(LC_NUMERIC, "C");
+  }
+
+  Localizer::Localizer(int category, const char* locale)
+  {
+    init(category, locale);
+  }
+
+  void Localizer::init(int category, const char* locale)
+  {
+    myCategory = category;
+    myOriginalLocale = setlocale(category, NULL);
+    setlocale(category, locale);
   }
 
   Localizer::~Localizer()
   {
-    setlocale(LC_NUMERIC, myCurLocale.c_str());
+    setlocale(myCategory, myOriginalLocale.c_str());
   }
 
   std::string GetGUID( GUIDtype type )
@@ -106,6 +119,37 @@ namespace Kernel_Utils
     return guid;
   }
 
+  const wchar_t* decode(const char* encoded)
+  {
+    Localizer loc(LC_CTYPE, "");
+    size_t length = strlen(encoded) + sizeof(char);
+    wchar_t* decoded = new wchar_t[length];
+    memset( decoded, '\0', length);
+    mbstowcs(decoded, encoded, length);
+    return decoded;
+  }
+
+  const wchar_t* decode_s(std::string encoded)
+  {
+    return decode(encoded.c_str());
+  }
+
+  const char* encode(const wchar_t* decoded)
+  {
+    Localizer loc(LC_CTYPE, "");
+    size_t length = std::wcslen(decoded) + sizeof(wchar_t);
+    char* encoded = new char[length];
+    memset( encoded, '\0', length);
+    wcstombs(encoded, decoded, length);
+    return encoded;
+  }
+
+  std::string encode_s(const wchar_t* decoded)
+  {
+    std::unique_ptr<char,std::function<void(char*)>> tmp((char *)encode(decoded),[](char *ptr) { delete [] ptr; });
+    return std::string(tmp.get());
+  }
+
 #ifndef WIN32
   void print_traceback()
   {
@@ -127,15 +171,51 @@ namespace Kernel_Utils
 #else
   #if (_MSC_VER >= 1400) // Visual Studio 2005
   #include <sstream>
-  int setenv(const char *name, const char *value, int rewrite)\r
-  {\r
-    std::stringstream sstr;\r
-    sstr<<name<<'='<<value;\r
-    if(rewrite || std::string(getenv(name)).length() == 0)\r
-      return _putenv(sstr.str().c_str());\r
-    else return -1;\r
+  int setenv(const char *name, const char *value, int rewrite)
+  {
+    std::stringstream sstr;
+    sstr<<name<<'='<<value;
+    if(rewrite || getenv(name) == nullptr || std::string(getenv(name)).length() == 0)
+      return _putenv(sstr.str().c_str());
+    else return -1;
   }
   #endif
 #endif
 
+#if defined(WIN32)
+  // Convert a wide Unicode string to an UTF8 string
+  char* utf8_encode(const wchar_t* encoded)
+  {
+         if (encoded == NULL) return NULL;
+    auto size_needed = WideCharToMultiByte(CP_UTF8, 0, encoded, (int)std::wcslen(encoded), NULL, 0, NULL, NULL);
+         char* strTo = new char[ size_needed + 1 ];
+         WideCharToMultiByte(CP_UTF8, 0, encoded, (int)std::wcslen(encoded), strTo, size_needed, NULL, NULL);
+         strTo[size_needed] = '\0';
+         return strTo;
+  }
+  // Convert an UTF8 string to a wide Unicode String
+  wchar_t* utf8_decode(const char* decoded)
+  {
+         if (decoded == NULL) return NULL;
+    auto size_needed = MultiByteToWideChar(CP_UTF8, 0, decoded, (int)strlen(decoded), NULL, 0);
+         wchar_t* wstrTo = new wchar_t[ size_needed + 1 ];
+         MultiByteToWideChar(CP_UTF8, 0, decoded, (int)strlen(decoded), wstrTo, size_needed);
+         wstrTo[size_needed] = '\0';
+         return wstrTo;
+  }
+  // Convert a wide Unicode std::wstring to an UTF8 string
+  std::string utf8_encode_s(const std::wstring& encoded) {
+         char* anEncoded = utf8_encode(encoded.c_str());
+         std::string res = std::string(anEncoded);
+         delete [] anEncoded;
+         return res;
+  }
+  // Convert an UTF8 std::string to a wide Unicode std::wstring
+  std::wstring utf8_decode_s(const std::string& decoded) {
+         wchar_t* aDecoded = utf8_decode(decoded.c_str());
+         std::wstring res = std::wstring(aDecoded);
+         delete [] aDecoded;
+         return res;
+  }
+#endif
 }