IrTcl version 1.2 patch level 1.

[ir-tcl-moved-to-github.git] / tclmain.c

diff --git a/tclmain.c b/tclmain.c
index 3168bc6..bf27a74 100644 (file)
--- a/tclmain.c
+++ b/tclmain.c
@@ -5,7 +5,26 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: tclmain.c,v $
- * Revision 1.13  1995-08-28 12:21:22  adam
+ * Revision 1.18  1996-02-23 17:31:42  adam
+ * More functions made available to the wais tcl extension.
+ *
+ * Revision 1.17  1996/02/21  10:16:21  adam
+ * Simplified select handling. Only one function ir_tcl_select_set has
+ * to be externally defined.
+ *
+ * Revision 1.16  1996/02/05  17:58:05  adam
+ * Ported ir-tcl to use the beta releases of tcl7.5/tk4.1.
+ *
+ * Revision 1.15  1996/01/10  09:18:45  adam
+ * PDU specific callbacks implemented: initRespnse, searchResponse,
+ *  presentResponse and scanResponse.
+ * Bug fix in the command line shell (tclmain.c) - discovered on OSF/1.
+ *
+ * Revision 1.14  1995/09/21  13:11:53  adam
+ * Support of dynamic loading.
+ * Test script uses load command if necessary.
+ *
+ * Revision 1.13  1995/08/28  12:21:22  adam
  * Removed lines and list as synonyms of list in MARC extractron.
  * Configure searches also for tk4.0 / tcl7.4.
  *
@@ -59,10 +78,9 @@ static char *fileName = NULL;
 
 /* select(2) callbacks */
 struct callback {
-    void (*r_handle)(ClientData);
-    void (*w_handle)(ClientData);
-    void (*x_handle)(ClientData);
-    void *obj;
+    void (*handle)(ClientData, int, int, int);
+    int r, w, e;
+    ClientData obj;
 };
 #define MAX_CALLBACK 200
 
@@ -75,8 +93,12 @@ int Tcl_AppInit (Tcl_Interp *interp)
 {
     if (Tcl_Init(interp) == TCL_ERROR)
         return TCL_ERROR;
-    if (ir_tcl_init(interp) == TCL_ERROR)
+    if (Irtcl_Init(interp) == TCL_ERROR)
+        return TCL_ERROR;
+#if USE_WAIS
+    if (Waistcl_Init(interp) == TCL_ERROR)
         return TCL_ERROR;
+#endif
     return TCL_OK;
 }
 
@@ -95,11 +117,7 @@ int main (int argc, char **argv)
         fprintf(stderr, "Tcl_AppInit failed: %s\n", interp->result);
     }
     for (i=0; i<MAX_CALLBACK; i++)
-    {
-        callback_table[i].r_handle = NULL;
-        callback_table[i].w_handle = NULL;
-        callback_table[i].x_handle = NULL;
-    }
+        callback_table[i].handle = NULL;
     if (fileName)
     {
         code = Tcl_EvalFile (interp, fileName);
@@ -165,17 +183,17 @@ void tcl_mainloop (Tcl_Interp *interp, int interactive)
             FD_SET (0, &fdset_tcl_r);
         for (res=0, i=min_fd; i<=max_fd; i++)
         {
-            if (callback_table[i].w_handle)
+            if (callback_table[i].handle && callback_table[i].w)
             {
                 FD_SET (i, &fdset_tcl_w);
                 res++;
             }
-            if (callback_table[i].r_handle)
+            if (callback_table[i].handle && callback_table[i].r)
             {
                 FD_SET (i, &fdset_tcl_r);
                 res++;
             }
-            if (callback_table[i].x_handle)
+            if (callback_table[i].handle && callback_table[i].e)
             {
                 FD_SET (i, &fdset_tcl_x);
                 res++;
@@ -193,21 +211,21 @@ void tcl_mainloop (Tcl_Interp *interp, int interactive)
             continue;
         for (i=min_fd; i<=max_fd; i++)
         {
-            if (FD_ISSET (i, &fdset_tcl_r))
-            {
-                assert (callback_table[i].r_handle);
-                (*callback_table[i].r_handle) (callback_table[i].obj);
-            }
-            if (FD_ISSET (i, &fdset_tcl_w))
-            {
-                assert (callback_table[i].w_handle);
-                (*callback_table[i].w_handle) (callback_table[i].obj);
-            }
-            if (FD_ISSET (i, &fdset_tcl_x))
-            {
-                assert (callback_table[i].x_handle);
-                (*callback_table[i].x_handle) (callback_table[i].obj);
-            }
+            int r_flag = 0;
+            int w_flag = 0;
+            int e_flag = 0;
+
+            if (!callback_table[i].handle)
+                continue;
+            if (FD_ISSET (i, &fdset_tcl_r) && callback_table[i].r)
+                r_flag = 1;
+            if (FD_ISSET (i, &fdset_tcl_w) && callback_table[i].w)
+                w_flag = 1;
+            if (FD_ISSET (i, &fdset_tcl_x) && callback_table[i].e)
+                e_flag = 1;
+            if (r_flag || w_flag || e_flag)
+                (*callback_table[i].handle)(callback_table[i].obj,
+                 r_flag, w_flag, e_flag);
         }
         if (interactive && FD_ISSET(0, &fdset_tcl_r))
         {
@@ -231,31 +249,15 @@ void tcl_mainloop (Tcl_Interp *interp, int interactive)
     }
 }
 
-void ir_select_add (int fd, void *obj)
+void ir_tcl_select_set (void (*f)(ClientData clientData, int r, int w, int e),
+                        int fd, ClientData clientData, int r, int w, int e)
 {
-    callback_table[fd].obj = obj;
-    callback_table[fd].r_handle = ir_select_read;
-    callback_table[fd].w_handle = NULL;
-    callback_table[fd].x_handle = NULL;
+    callback_table[fd].handle = f;
+    callback_table[fd].obj = clientData;
+    callback_table[fd].r = r;
+    callback_table[fd].w = w;
+    callback_table[fd].e = e;
     if (fd > max_fd)
         max_fd = fd;
 }
 
-void ir_select_add_write (int fd, void *obj)
-{
-    callback_table[fd].w_handle = ir_select_write;
-    if (fd > max_fd)
-        max_fd = fd;
-}
-
-void ir_select_remove_write (int fd, void *obj)
-{
-    callback_table[fd].w_handle = NULL;
-}
-
-void ir_select_remove (int fd, void *obj)
-{
-    callback_table[fd].r_handle = NULL;
-    callback_table[fd].w_handle = NULL;
-    callback_table[fd].x_handle = NULL;
-}