TAO: Codeset_Descriptor.cpp Source File

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00001 
00002 //=============================================================================
00003 /**
00004  *  @file    Codeset_Descriptor.cpp
00005  *
00006  *  $Id: Codeset_Descriptor.cpp 77041 2007-02-12 15:47:36Z johnnyw $
00007  *
00008  *  The base for all the translator factories. Translator factories are
00009  *  responsible for supplying the proper translator on demand.
00010  *
00011  *
00012  *  @author   Phil Mesnier <mesnier_p@ociweb.com>
00013  */
00014 //=============================================================================
00015 
00016 
00017 #include "tao/Codeset/Codeset_Descriptor.h"
00018 #include "tao/Codeset/Codeset_Translator_Factory.h"
00019 
00020 #include "ace/Codeset_Registry.h"
00021 #include "ace/Log_Msg.h"
00022 #include "tao/debug.h"
00023 
00024 ACE_RCSID (Codeset,
00025            Codeset_Manager_i,
00026            "$Id: Codeset_Descriptor.cpp 77041 2007-02-12 15:47:36Z johnnyw $")
00027 
00028 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
00029 
00030 TAO_Codeset_Descriptor::TAO_Codeset_Descriptor ()
00031   :ncs_ (0),
00032    max_bytes_ (1),
00033    num_translators_ (0),
00034    trans_base_(0)
00035 {
00036 }
00037 
00038 TAO_Codeset_Descriptor::~TAO_Codeset_Descriptor ()
00039 {
00040   Translator_Node *temp = trans_base_;
00041   while (temp)
00042     {
00043       temp = trans_base_->next_;
00044       // don't need to delete the associated translator factory, it is
00045       // owned by the service registry
00046       ACE_OS::free (trans_base_->name_);
00047       delete trans_base_;
00048       trans_base_ = temp;
00049     }
00050 }
00051 
00052 void
00053 TAO_Codeset_Descriptor::ncs (const ACE_TCHAR *name)
00054 {
00055   ACE_CDR::ULong n = 0;
00056   if (ACE_Codeset_Registry::locale_to_registry
00057       (ACE_TEXT_ALWAYS_CHAR(name), n) == 0)
00058     {
00059       char **endPtr = 0;
00060       n = static_cast<ACE_CDR::ULong> (
00061             ACE_OS::strtoul(ACE_TEXT_ALWAYS_CHAR(name), endPtr, 0));
00062     }
00063   this->ncs(n);
00064 }
00065 
00066 void
00067 TAO_Codeset_Descriptor::ncs (ACE_CDR::ULong n)
00068 {
00069   this->ncs_ = n;
00070   // Validate the CodesetId
00071   this->max_bytes_ = ACE_Codeset_Registry::get_max_bytes(n);
00072   if (this->max_bytes_ == 0)
00073     {
00074       if (TAO_debug_level > 0)
00075         ACE_ERROR((LM_ERROR,
00076                    ACE_TEXT("(%P|%t) TAO_Codeset_Descriptor::ncs, ")
00077                    ACE_TEXT("unknown codeset id 0x%x\n"),
00078                    n));
00079       this->ncs_ = 0;
00080     }
00081 }
00082 
00083 ACE_CDR::ULong
00084 TAO_Codeset_Descriptor::ncs (void) const
00085 {
00086   return this->ncs_;
00087 }
00088 
00089 int
00090 TAO_Codeset_Descriptor::num_translators (void) const
00091 {
00092   return this->num_translators_;
00093 }
00094 
00095 int
00096 TAO_Codeset_Descriptor::max_bytes (void) const
00097 {
00098   return this->max_bytes_;
00099 }
00100 
00101 void
00102 TAO_Codeset_Descriptor::add_translator (const ACE_TCHAR *name)
00103 {
00104   Translator_Node *temp = trans_base_;
00105   if (this->trans_base_ == 0)
00106     {
00107       ACE_NEW (this->trans_base_, Translator_Node);
00108       temp = trans_base_;
00109     }
00110   else
00111     {
00112       while (temp->next_ != 0)
00113         temp = temp->next_;
00114       ACE_NEW (temp->next_, Translator_Node);
00115       temp = temp->next_;
00116     }
00117   if (temp)
00118     {
00119       this->num_translators_ ++;
00120       temp->name_ = ACE_OS::strdup (name);
00121       temp->translator_factory_ = 0;
00122       temp->next_ = 0;
00123     }
00124 }
00125 
00126 TAO_Codeset_Descriptor::Translator_Node *
00127 TAO_Codeset_Descriptor::translators (void)
00128 {
00129   return this->trans_base_;
00130 }
00131 
00132 TAO_END_VERSIONED_NAMESPACE_DECL