svtools/source/svdde/ddeinf.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_svtools.hxx"
  33
  34 #define UNICODE
  35
  36 #include <string.h>
  37 #include "ddeimp.hxx"
  38 #include <svtools/svdde.hxx>
  39
  40 // --- DdeInternal::InfCallback() ----------------------------------
  41
  42 #ifdef WNT
  43 HDDEDATA CALLBACK DdeInternal::InfCallback(
  44                 WORD, WORD, HCONV, HSZ, HSZ, HDDEDATA, DWORD, DWORD )
  45 #else
  46 #if defined ( MTW ) || ( defined ( GCC ) && defined ( OS2 )) || defined( ICC )
  47 HDDEDATA CALLBACK __EXPORT DdeInternal::InfCallback(
  48                 WORD, WORD, HCONV, HSZ, HSZ, HDDEDATA, DWORD, DWORD )
  49 #else
  50 HDDEDATA CALLBACK _export DdeInternal::InfCallback(
  51                 WORD, WORD, HCONV, HSZ, HSZ, HDDEDATA, DWORD, DWORD )
  52 #endif
  53 #endif
  54 {
  55     return (HDDEDATA)DDE_FNOTPROCESSED;
  56 }
  57
  58 // --- DdeServiceList::DdeServiceList() ----------------------------
  59
  60 DdeServiceList::DdeServiceList( const String* pTopic )
  61 {
  62     DWORD       hDdeInst = NULL;
  63     HCONVLIST   hConvList = NULL;
  64     HCONV       hConv = NULL;
  65     UINT        nStatus = DMLERR_NO_ERROR;
  66     HSZ         hTopic = NULL;
  67
  68 #ifndef OS2 // YD FIXME
  69
  70     nStatus = DdeInitialize( &hDdeInst, (PFNCALLBACK) DdeInternal::InfCallback,
  71                              APPCLASS_STANDARD | APPCMD_CLIENTONLY |
  72                              CBF_FAIL_ALLSVRXACTIONS |
  73                              CBF_SKIP_ALLNOTIFICATIONS, 0L );
  74
  75     if ( nStatus == DMLERR_NO_ERROR )
  76     {
  77         if ( pTopic )
  78         {
  79             LPCTSTR p = reinterpret_cast<LPCTSTR>(pTopic->GetBuffer());
  80 #ifdef __MINGW32__
  81             hTopic = DdeCreateStringHandle( hDdeInst, const_cast<LPTSTR>(p), CP_WINUNICODE );
  82 #else
  83             hTopic = DdeCreateStringHandle( hDdeInst, p, CP_WINUNICODE );
  84 #endif
  85         }
  86
  87         hConvList = DdeConnectList( hDdeInst, NULL, hTopic, NULL, NULL );
  88         nStatus = DdeGetLastError( hDdeInst );
  89     }
  90
  91     if ( nStatus == DMLERR_NO_ERROR )
  92     {
  93         while ( ( hConv = DdeQueryNextServer( hConvList, hConv ) ) != NULL)
  94         {
  95             CONVINFO    aInf;
  96             TCHAR       buf[256], *p;
  97             HSZ         h;
  98 #ifdef OS2
  99             aInf.nSize = sizeof( aInf );
 100 #else
 101             aInf.cb = sizeof( aInf );
 102 #endif
 103             if( DdeQueryConvInfo( hConv, QID_SYNC, &aInf))
 104             {
 105                 h = aInf.hszServiceReq;
 106                 if ( !h )
 107 #ifndef OS2
 108                     h = aInf.hszSvcPartner;
 109 #else
 110                     h = aInf.hszPartner;
 111 #endif
 112                 DdeQueryString( hDdeInst, h, buf, sizeof(buf) / sizeof(TCHAR), CP_WINUNICODE );
 113                 p = buf + lstrlen( buf );
 114                 *p++ = '|'; *p = 0;
 115                 DdeQueryString( hDdeInst, aInf.hszTopic, p, sizeof(buf)/sizeof(TCHAR)-lstrlen( buf ),
 116                                 CP_WINUNICODE );
 117                 aServices.Insert( new String( reinterpret_cast<const sal_Unicode*>(buf) ) );
 118             }
 119         }
 120         DdeDisconnectList( hConvList );
 121     }
 122
 123     if ( hTopic)
 124         DdeFreeStringHandle( hDdeInst, hTopic );
 125     if ( hDdeInst )
 126         DdeUninitialize( hDdeInst );
 127
 128 #endif
 129
 130 }
 131
 132 // --- DdeServiceList::~DdeServiceList() ---------------------------
 133
 134 DdeServiceList::~DdeServiceList()
 135 {
 136     String* s;
 137     while ( ( s = aServices.First() ) != NULL )
 138     {
 139         aServices.Remove( s );
 140         delete s;
 141     }
 142 }
 143
 144 // --- DdeTopicList::DdeTopicList() --------------------------------
 145
 146 DdeTopicList::DdeTopicList( const String& rService )
 147 {
 148     DdeConnection aSys( rService, String( reinterpret_cast<const sal_Unicode*>(SZDDESYS_TOPIC) ) );
 149
 150     if ( !aSys.GetError() )
 151     {
 152         DdeRequest aReq( aSys, String( reinterpret_cast<const sal_Unicode*>(SZDDESYS_ITEM_TOPICS) ), 500 );
 153         aReq.SetDataHdl( LINK( this, DdeTopicList, Data ) );
 154         aReq.Execute();
 155     }
 156 }
 157
 158 // --- DdeTopicList::~DdeTopicList() -------------------------------
 159
 160 DdeTopicList::~DdeTopicList()
 161 {
 162     String* s;
 163     while ( ( s = aTopics.First() ) != NULL )
 164     {
 165         aTopics.Remove( s );
 166         delete s;
 167     }
 168 }
 169
 170 // --- DdeTopicList::Data() --------------------------------------------
 171
 172 IMPL_LINK( DdeTopicList, Data, DdeData*, pData )
 173 {
 174     char*   p = (char*) (const void *) *pData;
 175     char*   q = p;
 176     short   i;
 177     char    buf[256];
 178
 179     while ( *p && *p != '\r' && *p != '\n' )
 180     {
 181         q = buf; i = 0;
 182         while ( i < 255 && *p && *p != '\r' && *p != '\n' && *p != '\t' )
 183             *q++ = *p++, i++;
 184         *q = 0;
 185         while ( *p && *p != '\r' && *p != '\n' && *p != '\t' )
 186             p++;
 187         aTopics.Insert( new String( String::CreateFromAscii(buf) ) );
 188         if ( *p == '\t' )
 189             p++;
 190     }
 191     return 0;
 192 }
 193