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dashley |
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/* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tcl_base/tclwindde.c,v 1.1.1.1 2001/06/13 04:48:43 dtashley Exp $ */
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/*
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* tclWinDde.c --
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*
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* This file provides procedures that implement the "send"
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* command, allowing commands to be passed from interpreter
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* to interpreter.
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*
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* Copyright (c) 1997 by Sun Microsystems, Inc.
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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* RCS: @(#) $Id: tclwindde.c,v 1.1.1.1 2001/06/13 04:48:43 dtashley Exp $
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*/
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#include "tclPort.h"
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#include <ddeml.h>
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/*
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* TCL_STORAGE_CLASS is set unconditionally to DLLEXPORT because the
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* Registry_Init declaration is in the source file itself, which is only
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* accessed when we are building a library.
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*/
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#undef TCL_STORAGE_CLASS
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#define TCL_STORAGE_CLASS DLLEXPORT
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/*
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* The following structure is used to keep track of the interpreters
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* registered by this process.
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*/
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typedef struct RegisteredInterp {
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struct RegisteredInterp *nextPtr;
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/* The next interp this application knows
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* about. */
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char *name; /* Interpreter's name (malloc-ed). */
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Tcl_Interp *interp; /* The interpreter attached to this name. */
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} RegisteredInterp;
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/*
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* Used to keep track of conversations.
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*/
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typedef struct Conversation {
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struct Conversation *nextPtr;
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/* The next conversation in the list. */
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RegisteredInterp *riPtr; /* The info we know about the conversation. */
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HCONV hConv; /* The DDE handle for this conversation. */
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Tcl_Obj *returnPackagePtr; /* The result package for this conversation. */
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} Conversation;
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typedef struct ThreadSpecificData {
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Conversation *currentConversations;
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/* A list of conversations currently
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* being processed. */
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RegisteredInterp *interpListPtr;
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/* List of all interpreters registered
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* in the current process. */
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} ThreadSpecificData;
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static Tcl_ThreadDataKey dataKey;
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/*
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* The following variables cannot be placed in thread-local storage.
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* The Mutex ddeMutex guards access to the ddeInstance.
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*/
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static HSZ ddeServiceGlobal = 0;
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static DWORD ddeInstance; /* The application instance handle given
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* to us by DdeInitialize. */
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static int ddeIsServer = 0;
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#define TCL_DDE_VERSION "1.1"
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#define TCL_DDE_PACKAGE_NAME "dde"
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#define TCL_DDE_SERVICE_NAME "TclEval"
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TCL_DECLARE_MUTEX(ddeMutex)
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/*
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* Forward declarations for procedures defined later in this file.
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*/
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static void DdeExitProc _ANSI_ARGS_((ClientData clientData));
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static void DeleteProc _ANSI_ARGS_((ClientData clientData));
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static Tcl_Obj * ExecuteRemoteObject _ANSI_ARGS_((
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RegisteredInterp *riPtr,
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Tcl_Obj *ddeObjectPtr));
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static int MakeDdeConnection _ANSI_ARGS_((Tcl_Interp *interp,
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char *name, HCONV *ddeConvPtr));
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static HDDEDATA CALLBACK DdeServerProc _ANSI_ARGS_((UINT uType,
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UINT uFmt, HCONV hConv, HSZ ddeTopic,
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HSZ ddeItem, HDDEDATA hData, DWORD dwData1,
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DWORD dwData2));
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static void SetDdeError _ANSI_ARGS_((Tcl_Interp *interp));
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int Tcl_DdeObjCmd(ClientData clientData, /* Used only for deletion */
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Tcl_Interp *interp, /* The interp we are sending from */
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int objc, /* Number of arguments */
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Tcl_Obj *CONST objv[]); /* The arguments */
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EXTERN int Dde_Init(Tcl_Interp *interp);
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/*
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*----------------------------------------------------------------------
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*
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* Dde_Init --
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*
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* This procedure initializes the dde command.
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*
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* Results:
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* A standard Tcl result.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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int
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Dde_Init(
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Tcl_Interp *interp)
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{
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ThreadSpecificData *tsdPtr;
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if (!Tcl_InitStubs(interp, "8.0", 0)) {
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return TCL_ERROR;
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}
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Tcl_CreateObjCommand(interp, "dde", Tcl_DdeObjCmd, NULL, NULL);
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tsdPtr = (ThreadSpecificData *)
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Tcl_GetThreadData((Tcl_ThreadDataKey *) &dataKey, sizeof(ThreadSpecificData));
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if (tsdPtr == NULL) {
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tsdPtr = TCL_TSD_INIT(&dataKey);
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tsdPtr->currentConversations = NULL;
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tsdPtr->interpListPtr = NULL;
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}
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Tcl_CreateExitHandler(DdeExitProc, NULL);
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return Tcl_PkgProvide(interp, TCL_DDE_PACKAGE_NAME, TCL_DDE_VERSION);
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}
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/*
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*----------------------------------------------------------------------
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*
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* Initialize --
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*
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* Initialize the global DDE instance.
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*
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* Results:
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* None.
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*
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* Side effects:
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* Registers the DDE server proc.
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*
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*----------------------------------------------------------------------
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*/
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static void
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Initialize(void)
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{
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int nameFound = 0;
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ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
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/*
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* See if the application is already registered; if so, remove its
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* current name from the registry. The deletion of the command
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* will take care of disposing of this entry.
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*/
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if (tsdPtr->interpListPtr != NULL) {
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nameFound = 1;
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}
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/*
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* Make sure that the DDE server is there. This is done only once,
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* add an exit handler tear it down.
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*/
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if (ddeInstance == 0) {
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Tcl_MutexLock(&ddeMutex);
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if (ddeInstance == 0) {
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if (DdeInitialize(&ddeInstance, DdeServerProc,
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CBF_SKIP_REGISTRATIONS
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| CBF_SKIP_UNREGISTRATIONS
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| CBF_FAIL_POKES, 0)
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!= DMLERR_NO_ERROR) {
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ddeInstance = 0;
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}
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}
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Tcl_MutexUnlock(&ddeMutex);
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}
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if ((ddeServiceGlobal == 0) && (nameFound != 0)) {
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Tcl_MutexLock(&ddeMutex);
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if ((ddeServiceGlobal == 0) && (nameFound != 0)) {
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ddeIsServer = 1;
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Tcl_CreateExitHandler(DdeExitProc, NULL);
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ddeServiceGlobal = DdeCreateStringHandle(ddeInstance, \
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TCL_DDE_SERVICE_NAME, 0);
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DdeNameService(ddeInstance, ddeServiceGlobal, 0L, DNS_REGISTER);
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} else {
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ddeIsServer = 0;
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}
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Tcl_MutexUnlock(&ddeMutex);
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}
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}
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/*
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*--------------------------------------------------------------
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*
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* DdeSetServerName --
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*
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* This procedure is called to associate an ASCII name with a Dde
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* server. If the interpreter has already been named, the
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* name replaces the old one.
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*
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* Results:
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* The return value is the name actually given to the interp.
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* This will normally be the same as name, but if name was already
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* in use for a Dde Server then a name of the form "name #2" will
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* be chosen, with a high enough number to make the name unique.
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*
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* Side effects:
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* Registration info is saved, thereby allowing the "send" command
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* to be used later to invoke commands in the application. In
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* addition, the "send" command is created in the application's
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* interpreter. The registration will be removed automatically
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* if the interpreter is deleted or the "send" command is removed.
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*
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*--------------------------------------------------------------
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*/
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static char *
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DdeSetServerName(
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Tcl_Interp *interp,
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char *name /* The name that will be used to
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* refer to the interpreter in later
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* "send" commands. Must be globally
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* unique. */
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)
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{
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int suffix, offset;
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RegisteredInterp *riPtr, *prevPtr;
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Tcl_DString dString;
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ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
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/*
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* See if the application is already registered; if so, remove its
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* current name from the registry. The deletion of the command
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* will take care of disposing of this entry.
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*/
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for (riPtr = tsdPtr->interpListPtr, prevPtr = NULL; riPtr != NULL;
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prevPtr = riPtr, riPtr = riPtr->nextPtr) {
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257 |
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if (riPtr->interp == interp) {
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258 |
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if (name != NULL) {
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259 |
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if (prevPtr == NULL) {
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260 |
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tsdPtr->interpListPtr = tsdPtr->interpListPtr->nextPtr;
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261 |
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} else {
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262 |
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prevPtr->nextPtr = riPtr->nextPtr;
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263 |
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}
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264 |
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break;
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265 |
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} else {
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266 |
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/*
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267 |
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* the name was NULL, so the caller is asking for
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268 |
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* the name of the current interp.
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269 |
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*/
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270 |
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271 |
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return riPtr->name;
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}
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273 |
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}
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274 |
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}
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275 |
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276 |
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if (name == NULL) {
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277 |
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/*
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278 |
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* the name was NULL, so the caller is asking for
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279 |
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* the name of the current interp, but it doesn't
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280 |
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* have a name.
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281 |
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*/
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282 |
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283 |
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return "";
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284 |
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}
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285 |
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286 |
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/*
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287 |
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* Pick a name to use for the application. Use "name" if it's not
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288 |
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* already in use. Otherwise add a suffix such as " #2", trying
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289 |
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* larger and larger numbers until we eventually find one that is
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290 |
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* unique.
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291 |
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*/
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292 |
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|
293 |
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suffix = 1;
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294 |
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offset = 0;
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295 |
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Tcl_DStringInit(&dString);
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296 |
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297 |
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/*
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298 |
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* We have found a unique name. Now add it to the registry.
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299 |
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*/
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300 |
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301 |
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riPtr = (RegisteredInterp *) ckalloc(sizeof(RegisteredInterp));
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302 |
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riPtr->interp = interp;
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303 |
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riPtr->name = ckalloc(strlen(name) + 1);
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304 |
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riPtr->nextPtr = tsdPtr->interpListPtr;
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305 |
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tsdPtr->interpListPtr = riPtr;
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306 |
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strcpy(riPtr->name, name);
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307 |
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308 |
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Tcl_CreateObjCommand(interp, "dde", Tcl_DdeObjCmd,
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309 |
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(ClientData) riPtr, DeleteProc);
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310 |
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if (Tcl_IsSafe(interp)) {
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311 |
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Tcl_HideCommand(interp, "dde", "dde");
|
312 |
|
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}
|
313 |
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Tcl_DStringFree(&dString);
|
314 |
|
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|
315 |
|
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/*
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316 |
|
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* re-initialize with the new name
|
317 |
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*/
|
318 |
|
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Initialize();
|
319 |
|
|
|
320 |
|
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return riPtr->name;
|
321 |
|
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}
|
322 |
|
|
|
323 |
|
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/*
|
324 |
|
|
*--------------------------------------------------------------
|
325 |
|
|
*
|
326 |
|
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* DeleteProc
|
327 |
|
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*
|
328 |
|
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* This procedure is called when the command "dde" is destroyed.
|
329 |
|
|
*
|
330 |
|
|
* Results:
|
331 |
|
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* none
|
332 |
|
|
*
|
333 |
|
|
* Side effects:
|
334 |
|
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* The interpreter given by riPtr is unregistered.
|
335 |
|
|
*
|
336 |
|
|
*--------------------------------------------------------------
|
337 |
|
|
*/
|
338 |
|
|
|
339 |
|
|
static void
|
340 |
|
|
DeleteProc(clientData)
|
341 |
|
|
ClientData clientData; /* The interp we are deleting passed
|
342 |
|
|
* as ClientData. */
|
343 |
|
|
{
|
344 |
|
|
RegisteredInterp *riPtr = (RegisteredInterp *) clientData;
|
345 |
|
|
RegisteredInterp *searchPtr, *prevPtr;
|
346 |
|
|
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
|
347 |
|
|
|
348 |
|
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for (searchPtr = tsdPtr->interpListPtr, prevPtr = NULL;
|
349 |
|
|
(searchPtr != NULL) && (searchPtr != riPtr);
|
350 |
|
|
prevPtr = searchPtr, searchPtr = searchPtr->nextPtr) {
|
351 |
|
|
/*
|
352 |
|
|
* Empty loop body.
|
353 |
|
|
*/
|
354 |
|
|
}
|
355 |
|
|
|
356 |
|
|
if (searchPtr != NULL) {
|
357 |
|
|
if (prevPtr == NULL) {
|
358 |
|
|
tsdPtr->interpListPtr = tsdPtr->interpListPtr->nextPtr;
|
359 |
|
|
} else {
|
360 |
|
|
prevPtr->nextPtr = searchPtr->nextPtr;
|
361 |
|
|
}
|
362 |
|
|
}
|
363 |
|
|
ckfree(riPtr->name);
|
364 |
|
|
Tcl_EventuallyFree(clientData, TCL_DYNAMIC);
|
365 |
|
|
}
|
366 |
|
|
|
367 |
|
|
/*
|
368 |
|
|
*--------------------------------------------------------------
|
369 |
|
|
*
|
370 |
|
|
* ExecuteRemoteObject --
|
371 |
|
|
*
|
372 |
|
|
* Takes the package delivered by DDE and executes it in
|
373 |
|
|
* the server's interpreter.
|
374 |
|
|
*
|
375 |
|
|
* Results:
|
376 |
|
|
* A list Tcl_Obj * that describes what happened. The first
|
377 |
|
|
* element is the numerical return code (TCL_ERROR, etc.).
|
378 |
|
|
* The second element is the result of the script. If the
|
379 |
|
|
* return result was TCL_ERROR, then the third element
|
380 |
|
|
* will be the value of the global "errorCode", and the
|
381 |
|
|
* fourth will be the value of the global "errorInfo".
|
382 |
|
|
* The return result will have a refCount of 0.
|
383 |
|
|
*
|
384 |
|
|
* Side effects:
|
385 |
|
|
* A Tcl script is run, which can cause all kinds of other
|
386 |
|
|
* things to happen.
|
387 |
|
|
*
|
388 |
|
|
*--------------------------------------------------------------
|
389 |
|
|
*/
|
390 |
|
|
|
391 |
|
|
static Tcl_Obj *
|
392 |
|
|
ExecuteRemoteObject(
|
393 |
|
|
RegisteredInterp *riPtr, /* Info about this server. */
|
394 |
|
|
Tcl_Obj *ddeObjectPtr) /* The object to execute. */
|
395 |
|
|
{
|
396 |
|
|
Tcl_Obj *errorObjPtr;
|
397 |
|
|
Tcl_Obj *returnPackagePtr;
|
398 |
|
|
int result;
|
399 |
|
|
|
400 |
|
|
result = Tcl_EvalObjEx(riPtr->interp, ddeObjectPtr, TCL_EVAL_GLOBAL);
|
401 |
|
|
returnPackagePtr = Tcl_NewListObj(0, (Tcl_Obj **) NULL);
|
402 |
|
|
Tcl_ListObjAppendElement(NULL, returnPackagePtr,
|
403 |
|
|
Tcl_NewIntObj(result));
|
404 |
|
|
Tcl_ListObjAppendElement(NULL, returnPackagePtr,
|
405 |
|
|
Tcl_GetObjResult(riPtr->interp));
|
406 |
|
|
if (result == TCL_ERROR) {
|
407 |
|
|
errorObjPtr = Tcl_GetVar2Ex(riPtr->interp, "errorCode", NULL,
|
408 |
|
|
TCL_GLOBAL_ONLY);
|
409 |
|
|
Tcl_ListObjAppendElement(NULL, returnPackagePtr, errorObjPtr);
|
410 |
|
|
errorObjPtr = Tcl_GetVar2Ex(riPtr->interp, "errorInfo", NULL,
|
411 |
|
|
TCL_GLOBAL_ONLY);
|
412 |
|
|
Tcl_ListObjAppendElement(NULL, returnPackagePtr, errorObjPtr);
|
413 |
|
|
}
|
414 |
|
|
|
415 |
|
|
return returnPackagePtr;
|
416 |
|
|
}
|
417 |
|
|
|
418 |
|
|
/*
|
419 |
|
|
*--------------------------------------------------------------
|
420 |
|
|
*
|
421 |
|
|
* DdeServerProc --
|
422 |
|
|
*
|
423 |
|
|
* Handles all transactions for this server. Can handle
|
424 |
|
|
* execute, request, and connect protocols. Dde will
|
425 |
|
|
* call this routine when a client attempts to run a dde
|
426 |
|
|
* command using this server.
|
427 |
|
|
*
|
428 |
|
|
* Results:
|
429 |
|
|
* A DDE Handle with the result of the dde command.
|
430 |
|
|
*
|
431 |
|
|
* Side effects:
|
432 |
|
|
* Depending on which command is executed, arbitrary
|
433 |
|
|
* Tcl scripts can be run.
|
434 |
|
|
*
|
435 |
|
|
*--------------------------------------------------------------
|
436 |
|
|
*/
|
437 |
|
|
|
438 |
|
|
static HDDEDATA CALLBACK
|
439 |
|
|
DdeServerProc (
|
440 |
|
|
UINT uType, /* The type of DDE transaction we
|
441 |
|
|
* are performing. */
|
442 |
|
|
UINT uFmt, /* The format that data is sent or
|
443 |
|
|
* received. */
|
444 |
|
|
HCONV hConv, /* The conversation associated with the
|
445 |
|
|
* current transaction. */
|
446 |
|
|
HSZ ddeTopic, /* A string handle. Transaction-type
|
447 |
|
|
* dependent. */
|
448 |
|
|
HSZ ddeItem, /* A string handle. Transaction-type
|
449 |
|
|
* dependent. */
|
450 |
|
|
HDDEDATA hData, /* DDE data. Transaction-type dependent. */
|
451 |
|
|
DWORD dwData1, /* Transaction-dependent data. */
|
452 |
|
|
DWORD dwData2) /* Transaction-dependent data. */
|
453 |
|
|
{
|
454 |
|
|
Tcl_DString dString;
|
455 |
|
|
int len;
|
456 |
|
|
char *utilString;
|
457 |
|
|
Tcl_Obj *ddeObjectPtr;
|
458 |
|
|
HDDEDATA ddeReturn = NULL;
|
459 |
|
|
RegisteredInterp *riPtr;
|
460 |
|
|
Conversation *convPtr, *prevConvPtr;
|
461 |
|
|
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
|
462 |
|
|
|
463 |
|
|
switch(uType) {
|
464 |
|
|
case XTYP_CONNECT:
|
465 |
|
|
|
466 |
|
|
/*
|
467 |
|
|
* Dde is trying to initialize a conversation with us. Check
|
468 |
|
|
* and make sure we have a valid topic.
|
469 |
|
|
*/
|
470 |
|
|
|
471 |
|
|
len = DdeQueryString(ddeInstance, ddeTopic, NULL, 0, 0);
|
472 |
|
|
Tcl_DStringInit(&dString);
|
473 |
|
|
Tcl_DStringSetLength(&dString, len);
|
474 |
|
|
utilString = Tcl_DStringValue(&dString);
|
475 |
|
|
DdeQueryString(ddeInstance, ddeTopic, utilString, len + 1,
|
476 |
|
|
CP_WINANSI);
|
477 |
|
|
|
478 |
|
|
for (riPtr = tsdPtr->interpListPtr; riPtr != NULL;
|
479 |
|
|
riPtr = riPtr->nextPtr) {
|
480 |
|
|
if (stricmp(utilString, riPtr->name) == 0) {
|
481 |
|
|
Tcl_DStringFree(&dString);
|
482 |
|
|
return (HDDEDATA) TRUE;
|
483 |
|
|
}
|
484 |
|
|
}
|
485 |
|
|
|
486 |
|
|
Tcl_DStringFree(&dString);
|
487 |
|
|
return (HDDEDATA) FALSE;
|
488 |
|
|
|
489 |
|
|
case XTYP_CONNECT_CONFIRM:
|
490 |
|
|
|
491 |
|
|
/*
|
492 |
|
|
* Dde has decided that we can connect, so it gives us a
|
493 |
|
|
* conversation handle. We need to keep track of it
|
494 |
|
|
* so we know which execution result to return in an
|
495 |
|
|
* XTYP_REQUEST.
|
496 |
|
|
*/
|
497 |
|
|
|
498 |
|
|
len = DdeQueryString(ddeInstance, ddeTopic, NULL, 0, 0);
|
499 |
|
|
Tcl_DStringInit(&dString);
|
500 |
|
|
Tcl_DStringSetLength(&dString, len);
|
501 |
|
|
utilString = Tcl_DStringValue(&dString);
|
502 |
|
|
DdeQueryString(ddeInstance, ddeTopic, utilString, len + 1,
|
503 |
|
|
CP_WINANSI);
|
504 |
|
|
for (riPtr = tsdPtr->interpListPtr; riPtr != NULL;
|
505 |
|
|
riPtr = riPtr->nextPtr) {
|
506 |
|
|
if (stricmp(riPtr->name, utilString) == 0) {
|
507 |
|
|
convPtr = (Conversation *) ckalloc(sizeof(Conversation));
|
508 |
|
|
convPtr->nextPtr = tsdPtr->currentConversations;
|
509 |
|
|
convPtr->returnPackagePtr = NULL;
|
510 |
|
|
convPtr->hConv = hConv;
|
511 |
|
|
convPtr->riPtr = riPtr;
|
512 |
|
|
tsdPtr->currentConversations = convPtr;
|
513 |
|
|
break;
|
514 |
|
|
}
|
515 |
|
|
}
|
516 |
|
|
Tcl_DStringFree(&dString);
|
517 |
|
|
return (HDDEDATA) TRUE;
|
518 |
|
|
|
519 |
|
|
case XTYP_DISCONNECT:
|
520 |
|
|
|
521 |
|
|
/*
|
522 |
|
|
* The client has disconnected from our server. Forget this
|
523 |
|
|
* conversation.
|
524 |
|
|
*/
|
525 |
|
|
|
526 |
|
|
for (convPtr = tsdPtr->currentConversations, prevConvPtr = NULL;
|
527 |
|
|
convPtr != NULL;
|
528 |
|
|
prevConvPtr = convPtr, convPtr = convPtr->nextPtr) {
|
529 |
|
|
if (hConv == convPtr->hConv) {
|
530 |
|
|
if (prevConvPtr == NULL) {
|
531 |
|
|
tsdPtr->currentConversations = convPtr->nextPtr;
|
532 |
|
|
} else {
|
533 |
|
|
prevConvPtr->nextPtr = convPtr->nextPtr;
|
534 |
|
|
}
|
535 |
|
|
if (convPtr->returnPackagePtr != NULL) {
|
536 |
|
|
Tcl_DecrRefCount(convPtr->returnPackagePtr);
|
537 |
|
|
}
|
538 |
|
|
ckfree((char *) convPtr);
|
539 |
|
|
break;
|
540 |
|
|
}
|
541 |
|
|
}
|
542 |
|
|
return (HDDEDATA) TRUE;
|
543 |
|
|
|
544 |
|
|
case XTYP_REQUEST:
|
545 |
|
|
|
546 |
|
|
/*
|
547 |
|
|
* This could be either a request for a value of a Tcl variable,
|
548 |
|
|
* or it could be the send command requesting the results of the
|
549 |
|
|
* last execute.
|
550 |
|
|
*/
|
551 |
|
|
|
552 |
|
|
if (uFmt != CF_TEXT) {
|
553 |
|
|
return (HDDEDATA) FALSE;
|
554 |
|
|
}
|
555 |
|
|
|
556 |
|
|
ddeReturn = (HDDEDATA) FALSE;
|
557 |
|
|
for (convPtr = tsdPtr->currentConversations; (convPtr != NULL)
|
558 |
|
|
&& (convPtr->hConv != hConv); convPtr = convPtr->nextPtr) {
|
559 |
|
|
/*
|
560 |
|
|
* Empty loop body.
|
561 |
|
|
*/
|
562 |
|
|
}
|
563 |
|
|
|
564 |
|
|
if (convPtr != NULL) {
|
565 |
|
|
char *returnString;
|
566 |
|
|
|
567 |
|
|
len = DdeQueryString(ddeInstance, ddeItem, NULL, 0,
|
568 |
|
|
CP_WINANSI);
|
569 |
|
|
Tcl_DStringInit(&dString);
|
570 |
|
|
Tcl_DStringSetLength(&dString, len);
|
571 |
|
|
utilString = Tcl_DStringValue(&dString);
|
572 |
|
|
DdeQueryString(ddeInstance, ddeItem, utilString,
|
573 |
|
|
len + 1, CP_WINANSI);
|
574 |
|
|
if (stricmp(utilString, "$TCLEVAL$EXECUTE$RESULT") == 0) {
|
575 |
|
|
returnString =
|
576 |
|
|
Tcl_GetStringFromObj(convPtr->returnPackagePtr, &len);
|
577 |
|
|
ddeReturn = DdeCreateDataHandle(ddeInstance,
|
578 |
|
|
returnString, len+1, 0, ddeItem, CF_TEXT,
|
579 |
|
|
0);
|
580 |
|
|
} else {
|
581 |
|
|
Tcl_Obj *variableObjPtr = Tcl_GetVar2Ex(
|
582 |
|
|
convPtr->riPtr->interp, utilString, NULL,
|
583 |
|
|
TCL_GLOBAL_ONLY);
|
584 |
|
|
if (variableObjPtr != NULL) {
|
585 |
|
|
returnString = Tcl_GetStringFromObj(variableObjPtr,
|
586 |
|
|
&len);
|
587 |
|
|
ddeReturn = DdeCreateDataHandle(ddeInstance,
|
588 |
|
|
returnString, len+1, 0, ddeItem, CF_TEXT, 0);
|
589 |
|
|
} else {
|
590 |
|
|
ddeReturn = NULL;
|
591 |
|
|
}
|
592 |
|
|
}
|
593 |
|
|
Tcl_DStringFree(&dString);
|
594 |
|
|
}
|
595 |
|
|
return ddeReturn;
|
596 |
|
|
|
597 |
|
|
case XTYP_EXECUTE: {
|
598 |
|
|
|
599 |
|
|
/*
|
600 |
|
|
* Execute this script. The results will be saved into
|
601 |
|
|
* a list object which will be retreived later. See
|
602 |
|
|
* ExecuteRemoteObject.
|
603 |
|
|
*/
|
604 |
|
|
|
605 |
|
|
Tcl_Obj *returnPackagePtr;
|
606 |
|
|
|
607 |
|
|
for (convPtr = tsdPtr->currentConversations; (convPtr != NULL)
|
608 |
|
|
&& (convPtr->hConv != hConv); convPtr = convPtr->nextPtr) {
|
609 |
|
|
/*
|
610 |
|
|
* Empty loop body.
|
611 |
|
|
*/
|
612 |
|
|
|
613 |
|
|
}
|
614 |
|
|
|
615 |
|
|
if (convPtr == NULL) {
|
616 |
|
|
return (HDDEDATA) DDE_FNOTPROCESSED;
|
617 |
|
|
}
|
618 |
|
|
|
619 |
|
|
utilString = (char *) DdeAccessData(hData, &len);
|
620 |
|
|
ddeObjectPtr = Tcl_NewStringObj(utilString, -1);
|
621 |
|
|
Tcl_IncrRefCount(ddeObjectPtr);
|
622 |
|
|
DdeUnaccessData(hData);
|
623 |
|
|
if (convPtr->returnPackagePtr != NULL) {
|
624 |
|
|
Tcl_DecrRefCount(convPtr->returnPackagePtr);
|
625 |
|
|
}
|
626 |
|
|
convPtr->returnPackagePtr = NULL;
|
627 |
|
|
returnPackagePtr =
|
628 |
|
|
ExecuteRemoteObject(convPtr->riPtr, ddeObjectPtr);
|
629 |
|
|
for (convPtr = tsdPtr->currentConversations; (convPtr != NULL)
|
630 |
|
|
&& (convPtr->hConv != hConv); convPtr = convPtr->nextPtr) {
|
631 |
|
|
/*
|
632 |
|
|
* Empty loop body.
|
633 |
|
|
*/
|
634 |
|
|
|
635 |
|
|
}
|
636 |
|
|
if (convPtr != NULL) {
|
637 |
|
|
Tcl_IncrRefCount(returnPackagePtr);
|
638 |
|
|
convPtr->returnPackagePtr = returnPackagePtr;
|
639 |
|
|
}
|
640 |
|
|
Tcl_DecrRefCount(ddeObjectPtr);
|
641 |
|
|
if (returnPackagePtr == NULL) {
|
642 |
|
|
return (HDDEDATA) DDE_FNOTPROCESSED;
|
643 |
|
|
} else {
|
644 |
|
|
return (HDDEDATA) DDE_FACK;
|
645 |
|
|
}
|
646 |
|
|
}
|
647 |
|
|
|
648 |
|
|
case XTYP_WILDCONNECT: {
|
649 |
|
|
|
650 |
|
|
/*
|
651 |
|
|
* Dde wants a list of services and topics that we support.
|
652 |
|
|
*/
|
653 |
|
|
|
654 |
|
|
HSZPAIR *returnPtr;
|
655 |
|
|
int i;
|
656 |
|
|
int numItems;
|
657 |
|
|
|
658 |
|
|
for (i = 0, riPtr = tsdPtr->interpListPtr; riPtr != NULL;
|
659 |
|
|
i++, riPtr = riPtr->nextPtr) {
|
660 |
|
|
/*
|
661 |
|
|
* Empty loop body.
|
662 |
|
|
*/
|
663 |
|
|
|
664 |
|
|
}
|
665 |
|
|
|
666 |
|
|
numItems = i;
|
667 |
|
|
ddeReturn = DdeCreateDataHandle(ddeInstance, NULL,
|
668 |
|
|
(numItems + 1) * sizeof(HSZPAIR), 0, 0, 0, 0);
|
669 |
|
|
returnPtr = (HSZPAIR *) DdeAccessData(ddeReturn, &len);
|
670 |
|
|
for (i = 0, riPtr = tsdPtr->interpListPtr; i < numItems;
|
671 |
|
|
i++, riPtr = riPtr->nextPtr) {
|
672 |
|
|
returnPtr[i].hszSvc = DdeCreateStringHandle(
|
673 |
|
|
ddeInstance, "TclEval", CP_WINANSI);
|
674 |
|
|
returnPtr[i].hszTopic = DdeCreateStringHandle(
|
675 |
|
|
ddeInstance, riPtr->name, CP_WINANSI);
|
676 |
|
|
}
|
677 |
|
|
returnPtr[i].hszSvc = NULL;
|
678 |
|
|
returnPtr[i].hszTopic = NULL;
|
679 |
|
|
DdeUnaccessData(ddeReturn);
|
680 |
|
|
return ddeReturn;
|
681 |
|
|
}
|
682 |
|
|
|
683 |
|
|
}
|
684 |
|
|
return NULL;
|
685 |
|
|
}
|
686 |
|
|
|
687 |
|
|
/*
|
688 |
|
|
*--------------------------------------------------------------
|
689 |
|
|
*
|
690 |
|
|
* DdeExitProc --
|
691 |
|
|
*
|
692 |
|
|
* Gets rid of our DDE server when we go away.
|
693 |
|
|
*
|
694 |
|
|
* Results:
|
695 |
|
|
* None.
|
696 |
|
|
*
|
697 |
|
|
* Side effects:
|
698 |
|
|
* The DDE server is deleted.
|
699 |
|
|
*
|
700 |
|
|
*--------------------------------------------------------------
|
701 |
|
|
*/
|
702 |
|
|
|
703 |
|
|
static void
|
704 |
|
|
DdeExitProc(
|
705 |
|
|
ClientData clientData) /* Not used in this handler. */
|
706 |
|
|
{
|
707 |
|
|
DdeNameService(ddeInstance, NULL, 0, DNS_UNREGISTER);
|
708 |
|
|
DdeUninitialize(ddeInstance);
|
709 |
|
|
ddeInstance = 0;
|
710 |
|
|
}
|
711 |
|
|
|
712 |
|
|
/*
|
713 |
|
|
*--------------------------------------------------------------
|
714 |
|
|
*
|
715 |
|
|
* MakeDdeConnection --
|
716 |
|
|
*
|
717 |
|
|
* This procedure is a utility used to connect to a DDE
|
718 |
|
|
* server when given a server name and a topic name.
|
719 |
|
|
*
|
720 |
|
|
* Results:
|
721 |
|
|
* A standard Tcl result.
|
722 |
|
|
*
|
723 |
|
|
*
|
724 |
|
|
* Side effects:
|
725 |
|
|
* Passes back a conversation through ddeConvPtr
|
726 |
|
|
*
|
727 |
|
|
*--------------------------------------------------------------
|
728 |
|
|
*/
|
729 |
|
|
|
730 |
|
|
static int
|
731 |
|
|
MakeDdeConnection(
|
732 |
|
|
Tcl_Interp *interp, /* Used to report errors. */
|
733 |
|
|
char *name, /* The connection to use. */
|
734 |
|
|
HCONV *ddeConvPtr)
|
735 |
|
|
{
|
736 |
|
|
HSZ ddeTopic, ddeService;
|
737 |
|
|
HCONV ddeConv;
|
738 |
|
|
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
|
739 |
|
|
|
740 |
|
|
ddeService = DdeCreateStringHandle(ddeInstance, "TclEval", 0);
|
741 |
|
|
ddeTopic = DdeCreateStringHandle(ddeInstance, name, 0);
|
742 |
|
|
|
743 |
|
|
ddeConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
|
744 |
|
|
DdeFreeStringHandle(ddeInstance, ddeService);
|
745 |
|
|
DdeFreeStringHandle(ddeInstance, ddeTopic);
|
746 |
|
|
|
747 |
|
|
if (ddeConv == (HCONV) NULL) {
|
748 |
|
|
if (interp != NULL) {
|
749 |
|
|
Tcl_AppendResult(interp, "no registered server named \"",
|
750 |
|
|
name, "\"", (char *) NULL);
|
751 |
|
|
}
|
752 |
|
|
return TCL_ERROR;
|
753 |
|
|
}
|
754 |
|
|
|
755 |
|
|
*ddeConvPtr = ddeConv;
|
756 |
|
|
return TCL_OK;
|
757 |
|
|
}
|
758 |
|
|
|
759 |
|
|
/*
|
760 |
|
|
*--------------------------------------------------------------
|
761 |
|
|
*
|
762 |
|
|
* SetDdeError --
|
763 |
|
|
*
|
764 |
|
|
* Sets the interp result to a cogent error message
|
765 |
|
|
* describing the last DDE error.
|
766 |
|
|
*
|
767 |
|
|
* Results:
|
768 |
|
|
* None.
|
769 |
|
|
*
|
770 |
|
|
*
|
771 |
|
|
* Side effects:
|
772 |
|
|
* The interp's result object is changed.
|
773 |
|
|
*
|
774 |
|
|
*--------------------------------------------------------------
|
775 |
|
|
*/
|
776 |
|
|
|
777 |
|
|
static void
|
778 |
|
|
SetDdeError(
|
779 |
|
|
Tcl_Interp *interp) /* The interp to put the message in.*/
|
780 |
|
|
{
|
781 |
|
|
Tcl_Obj *resultPtr = Tcl_GetObjResult(interp);
|
782 |
|
|
int err;
|
783 |
|
|
|
784 |
|
|
err = DdeGetLastError(ddeInstance);
|
785 |
|
|
switch (err) {
|
786 |
|
|
case DMLERR_DATAACKTIMEOUT:
|
787 |
|
|
case DMLERR_EXECACKTIMEOUT:
|
788 |
|
|
case DMLERR_POKEACKTIMEOUT:
|
789 |
|
|
Tcl_SetStringObj(resultPtr,
|
790 |
|
|
"remote interpreter did not respond", -1);
|
791 |
|
|
break;
|
792 |
|
|
|
793 |
|
|
case DMLERR_BUSY:
|
794 |
|
|
Tcl_SetStringObj(resultPtr, "remote server is busy", -1);
|
795 |
|
|
break;
|
796 |
|
|
|
797 |
|
|
case DMLERR_NOTPROCESSED:
|
798 |
|
|
Tcl_SetStringObj(resultPtr,
|
799 |
|
|
"remote server cannot handle this command", -1);
|
800 |
|
|
break;
|
801 |
|
|
|
802 |
|
|
default:
|
803 |
|
|
Tcl_SetStringObj(resultPtr, "dde command failed", -1);
|
804 |
|
|
}
|
805 |
|
|
}
|
806 |
|
|
|
807 |
|
|
/*
|
808 |
|
|
*--------------------------------------------------------------
|
809 |
|
|
*
|
810 |
|
|
* Tcl_DdeObjCmd --
|
811 |
|
|
*
|
812 |
|
|
* This procedure is invoked to process the "dde" Tcl command.
|
813 |
|
|
* See the user documentation for details on what it does.
|
814 |
|
|
*
|
815 |
|
|
* Results:
|
816 |
|
|
* A standard Tcl result.
|
817 |
|
|
*
|
818 |
|
|
* Side effects:
|
819 |
|
|
* See the user documentation.
|
820 |
|
|
*
|
821 |
|
|
*--------------------------------------------------------------
|
822 |
|
|
*/
|
823 |
|
|
|
824 |
|
|
int
|
825 |
|
|
Tcl_DdeObjCmd(
|
826 |
|
|
ClientData clientData, /* Used only for deletion */
|
827 |
|
|
Tcl_Interp *interp, /* The interp we are sending from */
|
828 |
|
|
int objc, /* Number of arguments */
|
829 |
|
|
Tcl_Obj *CONST objv[]) /* The arguments */
|
830 |
|
|
{
|
831 |
|
|
enum {
|
832 |
|
|
DDE_SERVERNAME,
|
833 |
|
|
DDE_EXECUTE,
|
834 |
|
|
DDE_POKE,
|
835 |
|
|
DDE_REQUEST,
|
836 |
|
|
DDE_SERVICES,
|
837 |
|
|
DDE_EVAL
|
838 |
|
|
};
|
839 |
|
|
|
840 |
|
|
static char *ddeCommands[] = {"servername", "execute", "poke",
|
841 |
|
|
"request", "services", "eval",
|
842 |
|
|
(char *) NULL};
|
843 |
|
|
static char *ddeOptions[] = {"-async", (char *) NULL};
|
844 |
|
|
int index, argIndex;
|
845 |
|
|
int async = 0;
|
846 |
|
|
int result = TCL_OK;
|
847 |
|
|
HSZ ddeService = NULL;
|
848 |
|
|
HSZ ddeTopic = NULL;
|
849 |
|
|
HSZ ddeItem = NULL;
|
850 |
|
|
HDDEDATA ddeData = NULL;
|
851 |
|
|
HDDEDATA ddeItemData = NULL;
|
852 |
|
|
HCONV hConv = NULL;
|
853 |
|
|
HSZ ddeCookie = 0;
|
854 |
|
|
char *serviceName, *topicName, *itemString, *dataString;
|
855 |
|
|
char *string;
|
856 |
|
|
int firstArg, length, dataLength;
|
857 |
|
|
DWORD ddeResult;
|
858 |
|
|
HDDEDATA ddeReturn;
|
859 |
|
|
RegisteredInterp *riPtr;
|
860 |
|
|
Tcl_Interp *sendInterp;
|
861 |
|
|
Tcl_Obj *objPtr;
|
862 |
|
|
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
|
863 |
|
|
|
864 |
|
|
/*
|
865 |
|
|
* Initialize DDE server/client
|
866 |
|
|
*/
|
867 |
|
|
|
868 |
|
|
if (objc < 2) {
|
869 |
|
|
Tcl_WrongNumArgs(interp, 1, objv,
|
870 |
|
|
"?-async? serviceName topicName value");
|
871 |
|
|
return TCL_ERROR;
|
872 |
|
|
}
|
873 |
|
|
|
874 |
|
|
if (Tcl_GetIndexFromObj(interp, objv[1], ddeCommands, "command", 0,
|
875 |
|
|
&index) != TCL_OK) {
|
876 |
|
|
return TCL_ERROR;
|
877 |
|
|
}
|
878 |
|
|
|
879 |
|
|
switch (index) {
|
880 |
|
|
case DDE_SERVERNAME:
|
881 |
|
|
if ((objc != 3) && (objc != 2)) {
|
882 |
|
|
Tcl_WrongNumArgs(interp, 1, objv,
|
883 |
|
|
"servername ?serverName?");
|
884 |
|
|
return TCL_ERROR;
|
885 |
|
|
}
|
886 |
|
|
firstArg = (objc - 1);
|
887 |
|
|
break;
|
888 |
|
|
case DDE_EXECUTE:
|
889 |
|
|
if ((objc < 5) || (objc > 6)) {
|
890 |
|
|
Tcl_WrongNumArgs(interp, 1, objv,
|
891 |
|
|
"execute ?-async? serviceName topicName value");
|
892 |
|
|
return TCL_ERROR;
|
893 |
|
|
}
|
894 |
|
|
if (Tcl_GetIndexFromObj(NULL, objv[2], ddeOptions, "option", 0,
|
895 |
|
|
&argIndex) != TCL_OK) {
|
896 |
|
|
if (objc != 5) {
|
897 |
|
|
Tcl_WrongNumArgs(interp, 1, objv,
|
898 |
|
|
"execute ?-async? serviceName topicName value");
|
899 |
|
|
return TCL_ERROR;
|
900 |
|
|
}
|
901 |
|
|
async = 0;
|
902 |
|
|
firstArg = 2;
|
903 |
|
|
} else {
|
904 |
|
|
if (objc != 6) {
|
905 |
|
|
Tcl_WrongNumArgs(interp, 1, objv,
|
906 |
|
|
"execute ?-async? serviceName topicName value");
|
907 |
|
|
return TCL_ERROR;
|
908 |
|
|
}
|
909 |
|
|
async = 1;
|
910 |
|
|
firstArg = 3;
|
911 |
|
|
}
|
912 |
|
|
break;
|
913 |
|
|
case DDE_POKE:
|
914 |
|
|
if (objc != 6) {
|
915 |
|
|
Tcl_WrongNumArgs(interp, 1, objv,
|
916 |
|
|
"poke serviceName topicName item value");
|
917 |
|
|
return TCL_ERROR;
|
918 |
|
|
}
|
919 |
|
|
firstArg = 2;
|
920 |
|
|
break;
|
921 |
|
|
case DDE_REQUEST:
|
922 |
|
|
if (objc != 5) {
|
923 |
|
|
Tcl_WrongNumArgs(interp, 1, objv,
|
924 |
|
|
"request serviceName topicName value");
|
925 |
|
|
return TCL_ERROR;
|
926 |
|
|
}
|
927 |
|
|
firstArg = 2;
|
928 |
|
|
break;
|
929 |
|
|
case DDE_SERVICES:
|
930 |
|
|
if (objc != 4) {
|
931 |
|
|
Tcl_WrongNumArgs(interp, 1, objv,
|
932 |
|
|
"services serviceName topicName");
|
933 |
|
|
return TCL_ERROR;
|
934 |
|
|
}
|
935 |
|
|
firstArg = 2;
|
936 |
|
|
break;
|
937 |
|
|
case DDE_EVAL:
|
938 |
|
|
if (objc < 4) {
|
939 |
|
|
Tcl_WrongNumArgs(interp, 1, objv,
|
940 |
|
|
"eval ?-async? serviceName args");
|
941 |
|
|
return TCL_ERROR;
|
942 |
|
|
}
|
943 |
|
|
if (Tcl_GetIndexFromObj(NULL, objv[2], ddeOptions, "option", 0,
|
944 |
|
|
&argIndex) != TCL_OK) {
|
945 |
|
|
if (objc < 4) {
|
946 |
|
|
Tcl_WrongNumArgs(interp, 1, objv,
|
947 |
|
|
"eval ?-async? serviceName args");
|
948 |
|
|
return TCL_ERROR;
|
949 |
|
|
}
|
950 |
|
|
async = 0;
|
951 |
|
|
firstArg = 2;
|
952 |
|
|
} else {
|
953 |
|
|
if (objc < 5) {
|
954 |
|
|
Tcl_WrongNumArgs(interp, 1, objv,
|
955 |
|
|
"eval ?-async? serviceName args");
|
956 |
|
|
return TCL_ERROR;
|
957 |
|
|
}
|
958 |
|
|
async = 1;
|
959 |
|
|
firstArg = 3;
|
960 |
|
|
}
|
961 |
|
|
break;
|
962 |
|
|
}
|
963 |
|
|
|
964 |
|
|
Initialize();
|
965 |
|
|
|
966 |
|
|
if (firstArg != 1) {
|
967 |
|
|
serviceName = Tcl_GetStringFromObj(objv[firstArg], &length);
|
968 |
|
|
} else {
|
969 |
|
|
length = 0;
|
970 |
|
|
}
|
971 |
|
|
|
972 |
|
|
if (length == 0) {
|
973 |
|
|
serviceName = NULL;
|
974 |
|
|
} else if ((index != DDE_SERVERNAME) && (index != DDE_EVAL)) {
|
975 |
|
|
ddeService = DdeCreateStringHandle(ddeInstance, serviceName,
|
976 |
|
|
CP_WINANSI);
|
977 |
|
|
}
|
978 |
|
|
|
979 |
|
|
if ((index != DDE_SERVERNAME) &&(index != DDE_EVAL)) {
|
980 |
|
|
topicName = Tcl_GetStringFromObj(objv[firstArg + 1], &length);
|
981 |
|
|
if (length == 0) {
|
982 |
|
|
topicName = NULL;
|
983 |
|
|
} else {
|
984 |
|
|
ddeTopic = DdeCreateStringHandle(ddeInstance,
|
985 |
|
|
topicName, CP_WINANSI);
|
986 |
|
|
}
|
987 |
|
|
}
|
988 |
|
|
|
989 |
|
|
switch (index) {
|
990 |
|
|
case DDE_SERVERNAME: {
|
991 |
|
|
serviceName = DdeSetServerName(interp, serviceName);
|
992 |
|
|
if (serviceName != NULL) {
|
993 |
|
|
Tcl_SetStringObj(Tcl_GetObjResult(interp),
|
994 |
|
|
serviceName, -1);
|
995 |
|
|
} else {
|
996 |
|
|
Tcl_ResetResult(interp);
|
997 |
|
|
}
|
998 |
|
|
break;
|
999 |
|
|
}
|
1000 |
|
|
case DDE_EXECUTE: {
|
1001 |
|
|
dataString = Tcl_GetStringFromObj(objv[firstArg + 2], &dataLength);
|
1002 |
|
|
if (dataLength == 0) {
|
1003 |
|
|
Tcl_SetStringObj(Tcl_GetObjResult(interp),
|
1004 |
|
|
"cannot execute null data", -1);
|
1005 |
|
|
result = TCL_ERROR;
|
1006 |
|
|
break;
|
1007 |
|
|
}
|
1008 |
|
|
hConv = DdeConnect(ddeInstance, ddeService, ddeTopic,
|
1009 |
|
|
NULL);
|
1010 |
|
|
DdeFreeStringHandle (ddeInstance, ddeService) ;
|
1011 |
|
|
DdeFreeStringHandle (ddeInstance, ddeTopic) ;
|
1012 |
|
|
|
1013 |
|
|
if (hConv == NULL) {
|
1014 |
|
|
SetDdeError(interp);
|
1015 |
|
|
result = TCL_ERROR;
|
1016 |
|
|
break;
|
1017 |
|
|
}
|
1018 |
|
|
|
1019 |
|
|
ddeData = DdeCreateDataHandle(ddeInstance, dataString,
|
1020 |
|
|
dataLength+1, 0, 0, CF_TEXT, 0);
|
1021 |
|
|
if (ddeData != NULL) {
|
1022 |
|
|
if (async) {
|
1023 |
|
|
DdeClientTransaction((LPBYTE) ddeData, 0xFFFFFFFF, hConv, 0,
|
1024 |
|
|
CF_TEXT, XTYP_EXECUTE, TIMEOUT_ASYNC, &ddeResult);
|
1025 |
|
|
DdeAbandonTransaction(ddeInstance, hConv,
|
1026 |
|
|
ddeResult);
|
1027 |
|
|
} else {
|
1028 |
|
|
ddeReturn = DdeClientTransaction((LPBYTE) ddeData, 0xFFFFFFFF,
|
1029 |
|
|
hConv, 0, CF_TEXT, XTYP_EXECUTE, 30000, NULL);
|
1030 |
|
|
if (ddeReturn == 0) {
|
1031 |
|
|
SetDdeError(interp);
|
1032 |
|
|
result = TCL_ERROR;
|
1033 |
|
|
}
|
1034 |
|
|
}
|
1035 |
|
|
DdeFreeDataHandle(ddeData);
|
1036 |
|
|
} else {
|
1037 |
|
|
SetDdeError(interp);
|
1038 |
|
|
result = TCL_ERROR;
|
1039 |
|
|
}
|
1040 |
|
|
break;
|
1041 |
|
|
}
|
1042 |
|
|
case DDE_REQUEST: {
|
1043 |
|
|
itemString = Tcl_GetStringFromObj(objv[firstArg + 2], &length);
|
1044 |
|
|
if (length == 0) {
|
1045 |
|
|
Tcl_SetStringObj(Tcl_GetObjResult(interp),
|
1046 |
|
|
"cannot request value of null data", -1);
|
1047 |
|
|
return TCL_ERROR;
|
1048 |
|
|
}
|
1049 |
|
|
hConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
|
1050 |
|
|
DdeFreeStringHandle (ddeInstance, ddeService) ;
|
1051 |
|
|
DdeFreeStringHandle (ddeInstance, ddeTopic) ;
|
1052 |
|
|
|
1053 |
|
|
if (hConv == NULL) {
|
1054 |
|
|
SetDdeError(interp);
|
1055 |
|
|
result = TCL_ERROR;
|
1056 |
|
|
} else {
|
1057 |
|
|
Tcl_Obj *returnObjPtr;
|
1058 |
|
|
ddeItem = DdeCreateStringHandle(ddeInstance,
|
1059 |
|
|
itemString, CP_WINANSI);
|
1060 |
|
|
if (ddeItem != NULL) {
|
1061 |
|
|
ddeData = DdeClientTransaction(NULL, 0, hConv, ddeItem,
|
1062 |
|
|
CF_TEXT, XTYP_REQUEST, 5000, NULL);
|
1063 |
|
|
if (ddeData == NULL) {
|
1064 |
|
|
SetDdeError(interp);
|
1065 |
|
|
result = TCL_ERROR;
|
1066 |
|
|
} else {
|
1067 |
|
|
dataString = DdeAccessData(ddeData, &dataLength);
|
1068 |
|
|
returnObjPtr = Tcl_NewStringObj(dataString, -1);
|
1069 |
|
|
DdeUnaccessData(ddeData);
|
1070 |
|
|
DdeFreeDataHandle(ddeData);
|
1071 |
|
|
Tcl_SetObjResult(interp, returnObjPtr);
|
1072 |
|
|
}
|
1073 |
|
|
} else {
|
1074 |
|
|
SetDdeError(interp);
|
1075 |
|
|
result = TCL_ERROR;
|
1076 |
|
|
}
|
1077 |
|
|
}
|
1078 |
|
|
|
1079 |
|
|
break;
|
1080 |
|
|
}
|
1081 |
|
|
case DDE_POKE: {
|
1082 |
|
|
itemString = Tcl_GetStringFromObj(objv[firstArg + 2], &length);
|
1083 |
|
|
if (length == 0) {
|
1084 |
|
|
Tcl_SetStringObj(Tcl_GetObjResult(interp),
|
1085 |
|
|
"cannot have a null item", -1);
|
1086 |
|
|
return TCL_ERROR;
|
1087 |
|
|
}
|
1088 |
|
|
dataString = Tcl_GetStringFromObj(objv[firstArg + 3], &length);
|
1089 |
|
|
|
1090 |
|
|
hConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL);
|
1091 |
|
|
DdeFreeStringHandle (ddeInstance,ddeService) ;
|
1092 |
|
|
DdeFreeStringHandle (ddeInstance, ddeTopic) ;
|
1093 |
|
|
|
1094 |
|
|
if (hConv == NULL) {
|
1095 |
|
|
SetDdeError(interp);
|
1096 |
|
|
result = TCL_ERROR;
|
1097 |
|
|
} else {
|
1098 |
|
|
ddeItem = DdeCreateStringHandle(ddeInstance, itemString, \
|
1099 |
|
|
CP_WINANSI);
|
1100 |
|
|
if (ddeItem != NULL) {
|
1101 |
|
|
ddeData = DdeClientTransaction(dataString,length+1, \
|
1102 |
|
|
hConv, ddeItem,
|
1103 |
|
|
CF_TEXT, XTYP_POKE, 5000, NULL);
|
1104 |
|
|
if (ddeData == NULL) {
|
1105 |
|
|
SetDdeError(interp);
|
1106 |
|
|
result = TCL_ERROR;
|
1107 |
|
|
}
|
1108 |
|
|
} else {
|
1109 |
|
|
SetDdeError(interp);
|
1110 |
|
|
result = TCL_ERROR;
|
1111 |
|
|
}
|
1112 |
|
|
}
|
1113 |
|
|
break;
|
1114 |
|
|
}
|
1115 |
|
|
|
1116 |
|
|
case DDE_SERVICES: {
|
1117 |
|
|
HCONVLIST hConvList;
|
1118 |
|
|
CONVINFO convInfo;
|
1119 |
|
|
Tcl_Obj *convListObjPtr, *elementObjPtr;
|
1120 |
|
|
Tcl_DString dString;
|
1121 |
|
|
char *name;
|
1122 |
|
|
|
1123 |
|
|
convInfo.cb = sizeof(CONVINFO);
|
1124 |
|
|
hConvList = DdeConnectList(ddeInstance, ddeService,
|
1125 |
|
|
ddeTopic, 0, NULL);
|
1126 |
|
|
DdeFreeStringHandle (ddeInstance,ddeService) ;
|
1127 |
|
|
DdeFreeStringHandle (ddeInstance, ddeTopic) ;
|
1128 |
|
|
hConv = 0;
|
1129 |
|
|
convListObjPtr = Tcl_NewListObj(0, (Tcl_Obj **) NULL);
|
1130 |
|
|
Tcl_DStringInit(&dString);
|
1131 |
|
|
|
1132 |
|
|
while (hConv = DdeQueryNextServer(hConvList, hConv), hConv != 0) {
|
1133 |
|
|
elementObjPtr = Tcl_NewListObj(0, (Tcl_Obj **) NULL);
|
1134 |
|
|
DdeQueryConvInfo(hConv, QID_SYNC, &convInfo);
|
1135 |
|
|
length = DdeQueryString(ddeInstance,
|
1136 |
|
|
convInfo.hszSvcPartner, NULL, 0, CP_WINANSI);
|
1137 |
|
|
Tcl_DStringSetLength(&dString, length);
|
1138 |
|
|
name = Tcl_DStringValue(&dString);
|
1139 |
|
|
DdeQueryString(ddeInstance, convInfo.hszSvcPartner,
|
1140 |
|
|
name, length + 1, CP_WINANSI);
|
1141 |
|
|
Tcl_ListObjAppendElement(interp, elementObjPtr,
|
1142 |
|
|
Tcl_NewStringObj(name, length));
|
1143 |
|
|
length = DdeQueryString(ddeInstance, convInfo.hszTopic,
|
1144 |
|
|
NULL, 0, CP_WINANSI);
|
1145 |
|
|
Tcl_DStringSetLength(&dString, length);
|
1146 |
|
|
name = Tcl_DStringValue(&dString);
|
1147 |
|
|
DdeQueryString(ddeInstance, convInfo.hszTopic, name,
|
1148 |
|
|
length + 1, CP_WINANSI);
|
1149 |
|
|
Tcl_ListObjAppendElement(interp, elementObjPtr,
|
1150 |
|
|
Tcl_NewStringObj(name, length));
|
1151 |
|
|
Tcl_ListObjAppendElement(interp, convListObjPtr, elementObjPtr);
|
1152 |
|
|
}
|
1153 |
|
|
DdeDisconnectList(hConvList);
|
1154 |
|
|
Tcl_SetObjResult(interp, convListObjPtr);
|
1155 |
|
|
Tcl_DStringFree(&dString);
|
1156 |
|
|
break;
|
1157 |
|
|
}
|
1158 |
|
|
case DDE_EVAL: {
|
1159 |
|
|
objc -= (async + 3);
|
1160 |
|
|
((Tcl_Obj **) objv) += (async + 3);
|
1161 |
|
|
|
1162 |
|
|
/*
|
1163 |
|
|
* See if the target interpreter is local. If so, execute
|
1164 |
|
|
* the command directly without going through the DDE server.
|
1165 |
|
|
* Don't exchange objects between interps. The target interp could
|
1166 |
|
|
* compile an object, producing a bytecode structure that refers to
|
1167 |
|
|
* other objects owned by the target interp. If the target interp
|
1168 |
|
|
* is then deleted, the bytecode structure would be referring to
|
1169 |
|
|
* deallocated objects.
|
1170 |
|
|
*/
|
1171 |
|
|
|
1172 |
|
|
for (riPtr = tsdPtr->interpListPtr; riPtr != NULL; riPtr
|
1173 |
|
|
= riPtr->nextPtr) {
|
1174 |
|
|
if (stricmp(serviceName, riPtr->name) == 0) {
|
1175 |
|
|
break;
|
1176 |
|
|
}
|
1177 |
|
|
}
|
1178 |
|
|
|
1179 |
|
|
if (riPtr != NULL) {
|
1180 |
|
|
/*
|
1181 |
|
|
* This command is to a local interp. No need to go through
|
1182 |
|
|
* the server.
|
1183 |
|
|
*/
|
1184 |
|
|
|
1185 |
|
|
Tcl_Preserve((ClientData) riPtr);
|
1186 |
|
|
sendInterp = riPtr->interp;
|
1187 |
|
|
Tcl_Preserve((ClientData) sendInterp);
|
1188 |
|
|
|
1189 |
|
|
/*
|
1190 |
|
|
* Don't exchange objects between interps. The target interp would
|
1191 |
|
|
* compile an object, producing a bytecode structure that refers to
|
1192 |
|
|
* other objects owned by the target interp. If the target interp
|
1193 |
|
|
* is then deleted, the bytecode structure would be referring to
|
1194 |
|
|
* deallocated objects.
|
1195 |
|
|
*/
|
1196 |
|
|
|
1197 |
|
|
if (objc == 1) {
|
1198 |
|
|
result = Tcl_EvalObjEx(sendInterp, objv[0], TCL_EVAL_GLOBAL);
|
1199 |
|
|
} else {
|
1200 |
|
|
objPtr = Tcl_ConcatObj(objc, objv);
|
1201 |
|
|
Tcl_IncrRefCount(objPtr);
|
1202 |
|
|
result = Tcl_EvalObjEx(sendInterp, objPtr, TCL_EVAL_GLOBAL);
|
1203 |
|
|
Tcl_DecrRefCount(objPtr);
|
1204 |
|
|
}
|
1205 |
|
|
if (interp != sendInterp) {
|
1206 |
|
|
if (result == TCL_ERROR) {
|
1207 |
|
|
/*
|
1208 |
|
|
* An error occurred, so transfer error information from the
|
1209 |
|
|
* destination interpreter back to our interpreter.
|
1210 |
|
|
*/
|
1211 |
|
|
|
1212 |
|
|
Tcl_ResetResult(interp);
|
1213 |
|
|
objPtr = Tcl_GetVar2Ex(sendInterp, "errorInfo", NULL,
|
1214 |
|
|
TCL_GLOBAL_ONLY);
|
1215 |
|
|
string = Tcl_GetStringFromObj(objPtr, &length);
|
1216 |
|
|
Tcl_AddObjErrorInfo(interp, string, length);
|
1217 |
|
|
|
1218 |
|
|
objPtr = Tcl_GetVar2Ex(sendInterp, "errorCode", NULL,
|
1219 |
|
|
TCL_GLOBAL_ONLY);
|
1220 |
|
|
Tcl_SetObjErrorCode(interp, objPtr);
|
1221 |
|
|
}
|
1222 |
|
|
Tcl_SetObjResult(interp, Tcl_GetObjResult(sendInterp));
|
1223 |
|
|
}
|
1224 |
|
|
Tcl_Release((ClientData) riPtr);
|
1225 |
|
|
Tcl_Release((ClientData) sendInterp);
|
1226 |
|
|
} else {
|
1227 |
|
|
/*
|
1228 |
|
|
* This is a non-local request. Send the script to the server and poll
|
1229 |
|
|
* it for a result.
|
1230 |
|
|
*/
|
1231 |
|
|
|
1232 |
|
|
if (MakeDdeConnection(interp, serviceName, &hConv) != TCL_OK) {
|
1233 |
|
|
goto error;
|
1234 |
|
|
}
|
1235 |
|
|
|
1236 |
|
|
objPtr = Tcl_ConcatObj(objc, objv);
|
1237 |
|
|
string = Tcl_GetStringFromObj(objPtr, &length);
|
1238 |
|
|
ddeItemData = DdeCreateDataHandle(ddeInstance, string, length+1, 0, 0,
|
1239 |
|
|
CF_TEXT, 0);
|
1240 |
|
|
|
1241 |
|
|
if (async) {
|
1242 |
|
|
ddeData = DdeClientTransaction((LPBYTE) ddeItemData, 0xFFFFFFFF, hConv, 0,
|
1243 |
|
|
CF_TEXT, XTYP_EXECUTE, TIMEOUT_ASYNC, &ddeResult);
|
1244 |
|
|
DdeAbandonTransaction(ddeInstance, hConv, ddeResult);
|
1245 |
|
|
} else {
|
1246 |
|
|
ddeData = DdeClientTransaction((LPBYTE) ddeItemData, 0xFFFFFFFF, hConv, 0,
|
1247 |
|
|
CF_TEXT, XTYP_EXECUTE, 30000, NULL);
|
1248 |
|
|
if (ddeData != 0) {
|
1249 |
|
|
|
1250 |
|
|
ddeCookie = DdeCreateStringHandle(ddeInstance,
|
1251 |
|
|
"$TCLEVAL$EXECUTE$RESULT", CP_WINANSI);
|
1252 |
|
|
ddeData = DdeClientTransaction(NULL, 0, hConv, ddeCookie,
|
1253 |
|
|
CF_TEXT, XTYP_REQUEST, 30000, NULL);
|
1254 |
|
|
}
|
1255 |
|
|
}
|
1256 |
|
|
|
1257 |
|
|
|
1258 |
|
|
Tcl_DecrRefCount(objPtr);
|
1259 |
|
|
|
1260 |
|
|
if (ddeData == 0) {
|
1261 |
|
|
SetDdeError(interp);
|
1262 |
|
|
goto errorNoResult;
|
1263 |
|
|
}
|
1264 |
|
|
|
1265 |
|
|
if (async == 0) {
|
1266 |
|
|
Tcl_Obj *resultPtr;
|
1267 |
|
|
|
1268 |
|
|
/*
|
1269 |
|
|
* The return handle has a two or four element list in it. The first
|
1270 |
|
|
* element is the return code (TCL_OK, TCL_ERROR, etc.). The
|
1271 |
|
|
* second is the result of the script. If the return code is TCL_ERROR,
|
1272 |
|
|
* then the third element is the value of the variable "errorCode",
|
1273 |
|
|
* and the fourth is the value of the variable "errorInfo".
|
1274 |
|
|
*/
|
1275 |
|
|
|
1276 |
|
|
resultPtr = Tcl_NewObj();
|
1277 |
|
|
length = DdeGetData(ddeData, NULL, 0, 0);
|
1278 |
|
|
Tcl_SetObjLength(resultPtr, length);
|
1279 |
|
|
string = Tcl_GetString(resultPtr);
|
1280 |
|
|
DdeGetData(ddeData, string, length, 0);
|
1281 |
|
|
Tcl_SetObjLength(resultPtr, strlen(string));
|
1282 |
|
|
|
1283 |
|
|
if (Tcl_ListObjIndex(NULL, resultPtr, 0, &objPtr) != TCL_OK) {
|
1284 |
|
|
Tcl_DecrRefCount(resultPtr);
|
1285 |
|
|
goto error;
|
1286 |
|
|
}
|
1287 |
|
|
if (Tcl_GetIntFromObj(NULL, objPtr, &result) != TCL_OK) {
|
1288 |
|
|
Tcl_DecrRefCount(resultPtr);
|
1289 |
|
|
goto error;
|
1290 |
|
|
}
|
1291 |
|
|
if (result == TCL_ERROR) {
|
1292 |
|
|
Tcl_ResetResult(interp);
|
1293 |
|
|
|
1294 |
|
|
if (Tcl_ListObjIndex(NULL, resultPtr, 3, &objPtr) != TCL_OK) {
|
1295 |
|
|
Tcl_DecrRefCount(resultPtr);
|
1296 |
|
|
goto error;
|
1297 |
|
|
}
|
1298 |
|
|
length = -1;
|
1299 |
|
|
string = Tcl_GetStringFromObj(objPtr, &length);
|
1300 |
|
|
Tcl_AddObjErrorInfo(interp, string, length);
|
1301 |
|
|
|
1302 |
|
|
Tcl_ListObjIndex(NULL, resultPtr, 2, &objPtr);
|
1303 |
|
|
Tcl_SetObjErrorCode(interp, objPtr);
|
1304 |
|
|
}
|
1305 |
|
|
if (Tcl_ListObjIndex(NULL, resultPtr, 1, &objPtr) != TCL_OK) {
|
1306 |
|
|
Tcl_DecrRefCount(resultPtr);
|
1307 |
|
|
goto error;
|
1308 |
|
|
}
|
1309 |
|
|
Tcl_SetObjResult(interp, objPtr);
|
1310 |
|
|
Tcl_DecrRefCount(resultPtr);
|
1311 |
|
|
}
|
1312 |
|
|
}
|
1313 |
|
|
}
|
1314 |
|
|
}
|
1315 |
|
|
if (ddeCookie != NULL) {
|
1316 |
|
|
DdeFreeStringHandle(ddeInstance, ddeCookie);
|
1317 |
|
|
}
|
1318 |
|
|
if (ddeItem != NULL) {
|
1319 |
|
|
DdeFreeStringHandle(ddeInstance, ddeItem);
|
1320 |
|
|
}
|
1321 |
|
|
if (ddeItemData != NULL) {
|
1322 |
|
|
DdeFreeDataHandle(ddeItemData);
|
1323 |
|
|
}
|
1324 |
|
|
if (ddeData != NULL) {
|
1325 |
|
|
DdeFreeDataHandle(ddeData);
|
1326 |
|
|
}
|
1327 |
|
|
if (hConv != NULL) {
|
1328 |
|
|
DdeDisconnect(hConv);
|
1329 |
|
|
}
|
1330 |
|
|
return result;
|
1331 |
|
|
|
1332 |
|
|
error:
|
1333 |
|
|
Tcl_SetStringObj(Tcl_GetObjResult(interp),
|
1334 |
|
|
"invalid data returned from server", -1);
|
1335 |
|
|
|
1336 |
|
|
errorNoResult:
|
1337 |
|
|
if (ddeCookie != NULL) {
|
1338 |
|
|
DdeFreeStringHandle(ddeInstance, ddeCookie);
|
1339 |
|
|
}
|
1340 |
|
|
if (ddeItem != NULL) {
|
1341 |
|
|
DdeFreeStringHandle(ddeInstance, ddeItem);
|
1342 |
|
|
}
|
1343 |
|
|
if (ddeItemData != NULL) {
|
1344 |
|
|
DdeFreeDataHandle(ddeItemData);
|
1345 |
|
|
}
|
1346 |
|
|
if (ddeData != NULL) {
|
1347 |
|
|
DdeFreeDataHandle(ddeData);
|
1348 |
|
|
}
|
1349 |
|
|
if (hConv != NULL) {
|
1350 |
|
|
DdeDisconnect(hConv);
|
1351 |
|
|
}
|
1352 |
|
|
return TCL_ERROR;
|
1353 |
|
|
}
|
1354 |
|
|
|
1355 |
|
|
|
1356 |
|
|
/* $History: tclwindde.c $
|
1357 |
|
|
*
|
1358 |
|
|
* ***************** Version 1 *****************
|
1359 |
|
|
* User: Dtashley Date: 1/02/01 Time: 12:50a
|
1360 |
|
|
* Created in $/IjuScripter, IjuConsole/Source/Tcl Base
|
1361 |
|
|
* Initial check-in.
|
1362 |
|
|
*/
|
1363 |
|
|
|
1364 |
|
|
/* End of TCLWINDDE.C */ |