ACE/ace/Codeset_Registry.cpp

   1 //=============================================================================
   2 /**
   3  *  @file   Codeset_Registry.cpp
   4  *
   5  *  emulated codset regstry functions
   6  *
   7  *  @author Phil Mesnier <mesnier_p@ociweb.com>
   8  */
   9 //=============================================================================
  10
  11 #include "ace/Codeset_Registry.h"
  12 #include "ace/OS_Memory.h"
  13 #include "ace/OS_NS_string.h"
  14
  15 #if !defined (__ACE_INLINE__)
  16 #include "ace/Codeset_Registry.inl"
  17 #endif /* __ACE_INLINE__ */
  18
  19 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  20
  21 int
  22 ACE_Codeset_Registry::locale_to_registry_i (const ACE_CString &locale,
  23                                             ACE_CDR::ULong &codeset_id,
  24                                             ACE_CDR::UShort *num_sets,
  25                                             ACE_CDR::UShort **char_sets)
  26 {
  27   registry_entry const *element = 0;
  28   for (size_t i = 0; element == 0 && i < num_registry_entries_; i++)
  29     if (ACE_OS::strcmp (registry_db_[i].loc_name_, locale.c_str ()) == 0)
  30       element = &registry_db_[i];
  31   if (element == 0)
  32     return 0;
  33   codeset_id = element->codeset_id_;
  34   if (num_sets != 0)
  35     *num_sets = element->num_sets_;
  36   if (char_sets != 0)
  37     {
  38 #if defined (ACE_HAS_ALLOC_HOOKS)
  39       ACE_ALLOCATOR_RETURN (*char_sets,static_cast<ACE_CDR::UShort*> (ACE_Allocator::instance()->malloc(sizeof (ACE_CDR::UShort) * (element->num_sets_))),0);
  40 #else
  41       ACE_NEW_RETURN (*char_sets,ACE_CDR::UShort[element->num_sets_],0);
  42 #endif /* ACE_HAS_ALLOC_HOOKS */
  43       ACE_OS::memcpy (*char_sets, element->char_sets_,
  44                       element->num_sets_ * sizeof (ACE_CDR::UShort));
  45     }
  46   return 1;
  47 }
  48
  49 int
  50 ACE_Codeset_Registry::registry_to_locale_i (ACE_CDR::ULong codeset_id,
  51                                             ACE_CString &locale,
  52                                             ACE_CDR::UShort *num_sets,
  53                                             ACE_CDR::UShort **char_sets)
  54 {
  55   registry_entry const *element = 0;
  56   for (size_t i = 0; element == 0 && i < num_registry_entries_; i++)
  57     if (codeset_id == registry_db_[i].codeset_id_)
  58       element = &registry_db_[i];
  59   if (element == 0)
  60     return 0;
  61   locale.set (element->loc_name_);
  62   if (num_sets != 0)
  63     *num_sets = element->num_sets_;
  64   if (char_sets != 0)
  65     {
  66 #if defined (ACE_HAS_ALLOC_HOOKS)
  67       ACE_ALLOCATOR_RETURN (*char_sets,static_cast<ACE_CDR::UShort*> (ACE_Allocator::instance()->malloc(sizeof (ACE_CDR::UShort) * (element->num_sets_))),0);
  68 #else
  69       ACE_NEW_RETURN (*char_sets,ACE_CDR::UShort[element->num_sets_],0);
  70 #endif /* ACE_HAS_ALLOC_HOOKS */
  71       ACE_OS::memcpy (*char_sets, element->char_sets_,
  72                       element->num_sets_ * sizeof (ACE_CDR::UShort));
  73     }
  74   return 1;
  75 }
  76
  77 int
  78 ACE_Codeset_Registry::is_compatible_i (ACE_CDR::ULong codeset_id,
  79                                        ACE_CDR::ULong other)
  80 {
  81   registry_entry const *lhs = 0;
  82   registry_entry const *rhs = 0;
  83   for (size_t i = 0; (lhs == 0 || rhs == 0) && i < num_registry_entries_; i++)
  84     {
  85       if (codeset_id == registry_db_[i].codeset_id_)
  86         lhs = &registry_db_[i];
  87       if (other == registry_db_[i].codeset_id_)
  88         rhs = &registry_db_[i];
  89     }
  90
  91   if (lhs == 0 || rhs == 0)
  92     return 0;
  93
  94   for (ACE_CDR::UShort l = 0; l < lhs->num_sets_; l++)
  95     for (ACE_CDR::UShort r = 0; r < rhs->num_sets_; r++)
  96       if (rhs->char_sets_[r] == lhs->char_sets_[l])
  97         return 1;
  98   return 0;
  99 }
 100
 101 ACE_CDR::Short
 102 ACE_Codeset_Registry::get_max_bytes_i (ACE_CDR::ULong codeset_id)
 103 {
 104   for (size_t i = 0; i < num_registry_entries_; i++)
 105     if (codeset_id == registry_db_[i].codeset_id_)
 106       return registry_db_[i].max_bytes_;
 107   return 0;
 108 }
 109
 110 ACE_END_VERSIONED_NAMESPACE_DECL