コード例 #1
0
ファイル: hbjson.c プロジェクト: ggargano/hbtest2
static const char * _hb_jsonDecode( const char * szSource, PHB_ITEM pValue )
{
   if( *szSource == '\"' )
   {
      char * szDest, * szHead;
      HB_SIZE nAlloc = 16;

      szHead = szDest = ( char * ) hb_xgrab( nAlloc );
      szSource++;
      while( *szSource != '\"' )
      {
         if( szHead + 6 >= szDest + nAlloc )
         {
            HB_SIZE nLen = szHead - szDest;
            nAlloc += nAlloc << 1;
            szDest = ( char * ) hb_xrealloc( szDest, nAlloc );
            szHead = szDest + nLen;
         }
         if( *szSource == '\\' )
         {
            szSource++;
            switch( *szSource )
            {
               case '\"':
                  *szHead++ = '\"';
                  break;
               case '\\':
                  *szHead++ = '\\';
                  break;
               case '/':
                  *szHead++ = '/';
                  break;
               case 'b':
                  *szHead++ = '\b';
                  break;
               case 'f':
                  *szHead++ = '\f';
                  break;
               case 'n':
                  *szHead++ = '\n';
                  break;
               case 'r':
                  *szHead++ = '\r';
                  break;
               case 't':
                  *szHead++ = '\t';
                  break;
               case 'u':
               {
                  HB_WCHAR wc = 0;
                  int i;

                  for( i = 0; i < 4; i++ )
                  {
                     char c = *++szSource;
                     wc <<= 4;
                     if( c >= '0' && c <= '9' )
                        wc += c - '0';
                     else if( c >= 'A' && c <= 'F' )
                        wc += c - 'A' + 10;
                     else if( c >= 'a' && c <= 'f' )
                        wc += c - 'a' + 10;
                     else
                     {
                        hb_xfree( szDest );
                        return NULL;
                     }
                  }
                  szHead += hb_cdpU16ToStr( hb_vmCDP(), HB_CDP_ENDIAN_NATIVE,
                                            &wc, 1,
                                            szHead, szDest + nAlloc - szHead );
                  break;
               }
               default:
                  hb_xfree( szDest );
                  return NULL;
            }
            szSource++;
         }
         else if( *( const unsigned char * ) szSource >= ' ' )
            *szHead++ = *szSource++;
         else
         {
            hb_xfree( szDest );
            return NULL;
         }
      }
      hb_itemPutCL( pValue, szDest, szHead - szDest );
      hb_xfree( szDest );
      return szSource + 1;
   }
   else if( *szSource == '-' || ( *szSource >= '0' && *szSource <= '9' ) )
   {
      /* NOTE: this function is much less strict to number format than
               JSON syntax definition. This is allowed behaviour [Mindaugas] */
      HB_MAXINT nValue = 0;
      double dblValue = 0;
      HB_BOOL fNeg, fDbl = HB_FALSE;
      int iDec = 0;

      fNeg = *szSource == '-';
      if( fNeg )
         szSource++;

      while( *szSource >= '0' && *szSource <= '9' )
      {
         nValue = nValue * 10 + *szSource - '0';
         szSource++;
      }
      if( *szSource == '.' )
      {
         double mult = 1;

         dblValue = ( double ) nValue;
         fDbl = HB_TRUE;
         szSource++;
         while( *szSource >= '0' && *szSource <= '9' )
         {
            mult /= 10;
            dblValue += ( ( double ) ( *szSource - '0' ) ) * mult;
            szSource++;
            iDec++;
         }
      }
      if( *szSource == 'e' || *szSource == 'E' )
      {
         HB_BOOL fNegExp;
         int iExp = 0;

         szSource++;
         fNegExp = *szSource == '-';
         if( fNegExp )
            szSource++;

         while( *szSource >= '0' && *szSource <= '9' )
         {
            iExp = iExp * 10 + *szSource - '0';
            szSource++;
         }
         if( ! fDbl )
         {
            dblValue = ( double ) nValue;
            fDbl = HB_TRUE;
         }
         dblValue *= pow( 10.0, ( double ) ( fNegExp ? -iExp : iExp ) );
         if( fNegExp )
            iDec += iExp;
      }

      if( fDbl )
         hb_itemPutNDDec( pValue, fNeg ? -dblValue : dblValue, iDec );
      else
         hb_itemPutNInt( pValue, fNeg ? -nValue : nValue );
      return szSource;
   }
   else if( ! strncmp( szSource, "null", 4 ) )
   {
      hb_itemClear( pValue );
      return szSource + 4;
   }
   else if( ! strncmp( szSource, "true", 4 ) )
   {
      hb_itemPutL( pValue, HB_TRUE );
      return szSource + 4;
   }
   else if( ! strncmp( szSource, "false", 5 ) )
   {
      hb_itemPutL( pValue, HB_FALSE );
      return szSource + 5;
   }
   else if( *szSource == '[' )
   {
      hb_arrayNew( pValue, 0 );
      szSource = _skipws( szSource + 1 );
      if( *szSource != ']' )
      {
         PHB_ITEM pItem = hb_itemNew( NULL );

         for( ;; )
         {
            szSource = _hb_jsonDecode( szSource, pItem );
            if( ! szSource )
            {
               hb_itemRelease( pItem );
               return NULL;
            }
            hb_arrayAddForward( pValue, pItem );

            szSource = _skipws( szSource );
            if( *szSource == ',' )
            {
               szSource = _skipws( szSource + 1 );
               continue;
            }
            else if( *szSource == ']' )
               break;
            else
            {
               hb_itemRelease( pItem );
               return NULL;
            }
         }
         hb_itemRelease( pItem );
      }
      return szSource + 1;
   }
   else if( *szSource == '{' )
   {
      hb_hashNew( pValue );
      hb_hashSetFlags( pValue, HB_HASH_KEEPORDER );
      szSource = _skipws( szSource + 1 );
      if( *szSource != '}' )
      {
         PHB_ITEM pItemKey = hb_itemNew( NULL );
         PHB_ITEM pItemValue = hb_itemNew( NULL );

         for( ;; )
         {
            /* Do we need to check if key does not exist yet? */
            if( ( szSource = _hb_jsonDecode( szSource, pItemKey ) ) == NULL ||
                ! HB_IS_STRING( pItemKey ) ||
                * ( szSource = _skipws( szSource ) ) != ':' ||
                ( szSource = _hb_jsonDecode( _skipws( szSource + 1 ), pItemValue ) ) == NULL)
            {
               hb_itemRelease( pItemKey );
               hb_itemRelease( pItemValue );
               return NULL;
            }

            hb_hashAdd( pValue, pItemKey, pItemValue );
            szSource = _skipws( szSource );
            if( *szSource == ',' )
            {
               szSource = _skipws( szSource + 1 );
               continue;
            }
            else if( *szSource == '}' )
               break;
            else
            {
               hb_itemRelease( pItemKey );
               hb_itemRelease( pItemValue );
               return NULL;
            }
         }
         hb_itemRelease( pItemKey );
         hb_itemRelease( pItemValue );
      }
      return szSource + 1;
   }
   return NULL;
}
コード例 #2
0
ファイル: hbi18n1.c プロジェクト: JamesLinus/core
static const char * hb_i18n_setcodepage( PHB_I18N_TRANS pI18N,
                                         const char * szCdpID,
                                         HB_BOOL fBase, HB_BOOL fTranslate )
{
   const char * szOldCdpID = NULL, * szKey;

   if( pI18N )
   {
      PHB_CODEPAGE cdp = szCdpID ? hb_cdpFind( szCdpID ) : NULL, cdpage;

      cdpage = fBase ? pI18N->base_cdpage : pI18N->cdpage;
      if( cdpage )
         szOldCdpID = cdpage->id;
      if( cdp && cdp != cdpage )
      {
         if( fTranslate && cdpage )
         {
            HB_SIZE nHashLen = hb_hashLen( pI18N->context_table ), ul;
            for( ul = 1; ul <= nHashLen; ++ul )
            {
               PHB_ITEM pContext = hb_hashGetValueAt( pI18N->context_table, ul );
               HB_SIZE nCount = hb_hashLen( pContext ), u;

               for( u = 1; u <= nCount; ++u )
               {
                  if( fBase )
                  {
                     hb_i18n_transitm( hb_hashGetKeyAt( pContext, u ),
                                       cdpage, cdp );
                  }
                  else
                  {
                     PHB_ITEM pResult = hb_hashGetValueAt( pContext, u );
                     if( HB_IS_STRING( pResult ) )
                     {
                        hb_i18n_transitm( pResult, cdpage, cdp );
                     }
                     else if( HB_IS_ARRAY( pResult ) )
                     {
                        HB_SIZE nTrans = hb_arrayLen( pResult ), u2;
                        for( u2 = 1; u2 <= nTrans; ++u2 )
                        {
                           hb_i18n_transitm( hb_arrayGetItemPtr( pResult, u2 ),
                                             cdpage, cdp );
                        }
                     }
                  }
               }
               if( fBase )
               {
                  hb_i18n_transitm( hb_hashGetKeyAt( pI18N->context_table, ul ),
                                    cdpage, cdp );
                  hb_hashSetFlags( pContext, HB_HASH_RESORT );
               }
            }
            if( fBase )
               hb_hashSetFlags( pI18N->context_table, HB_HASH_RESORT );
         }

         if( fBase )
         {
            pI18N->base_cdpage = cdp;
            szKey = "BASE_CODEPAGE";
         }
         else
         {
            pI18N->cdpage = cdp;
            szKey = "CODEPAGE";
         }
         hb_i18n_setitem( pI18N->table, szKey, szCdpID );
      }
   }

   return szOldCdpID;
}