/*
* IR toolkit for tcl/tk
* (c) Index Data 1995
+ * See the file LICENSE for details.
+ * Sebastian Hammer, Adam Dickmeiss
+ *
+ * $Log: tclmain.c,v $
+ * 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.
+ *
+ * Revision 1.12 1995/08/28 11:07:16 adam
+ * Minor changes.
+ *
+ * Revision 1.11 1995/08/03 13:23:02 adam
+ * Request queue.
+ *
+ * Revision 1.10 1995/06/30 12:39:28 adam
+ * Bug fix: loadFile didn't set record type.
+ * The MARC routines are a little less strict in the interpretation.
+ * Script display.tcl replaces the old marc.tcl.
+ * New interactive script: shell.tcl.
+ *
+ * Revision 1.9 1995/06/26 10:20:20 adam
+ * ir-tk works like wish.
+ *
+ * Revision 1.8 1995/06/21 15:16:44 adam
+ * More work on configuration.
+ *
+ * Revision 1.7 1995/06/21 11:04:54 adam
+ * Uses GNU autoconf 2.3.
+ * Install procedure implemented.
+ * boook bitmaps moved to sub directory bitmaps.
+ *
+ * Revision 1.6 1995/05/29 08:44:28 adam
+ * Work on delete of objects.
+ *
+ * Revision 1.5 1995/03/20 08:53:30 adam
+ * Event loop in tclmain.c rewritten. New method searchStatus.
+ *
+ * Revision 1.4 1995/03/17 07:50:31 adam
+ * Headers have changed a little.
*
- * $Id: tclmain.c,v 1.2 1995-03-08 07:28:37 adam Exp $
*/
+#include <unistd.h>
#include <sys/time.h>
#include <sys/types.h>
+#ifdef _AIX
+#include <sys/select.h>
+#endif
#include <assert.h>
-#include <unistd.h>
#include <tcl.h>
-
+#include <log.h>
#include "ir-tcl.h"
static char *fileName = NULL;
-static fd_set fdset_tcl;
+/* select(2) callbacks */
+struct callback {
+ void (*r_handle)(ClientData);
+ void (*w_handle)(ClientData);
+ void (*x_handle)(ClientData);
+ void *obj;
+};
+#define MAX_CALLBACK 200
+
+static struct callback callback_table[MAX_CALLBACK];
+static int max_fd = 3; /* don't worry: it will grow... */
-void tcl_mainloop (Tcl_Interp *interp);
+void tcl_mainloop (Tcl_Interp *interp, int interactive);
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;
return TCL_OK;
}
{
Tcl_Interp *interp;
int code;
+ int i;
interp = Tcl_CreateInterp();
+ Tcl_SetVar (interp, "tcl_interactive", "0", TCL_GLOBAL_ONLY);
+ if (argc == 2)
+ fileName = argv[1];
- if (argc != 2)
+ if (Tcl_AppInit(interp) != TCL_OK) {
+ fprintf(stderr, "Tcl_AppInit failed: %s\n", interp->result);
+ }
+ for (i=0; i<MAX_CALLBACK; i++)
{
- fprintf (stderr, "Script file expected\n");
- exit (1);
+ callback_table[i].r_handle = NULL;
+ callback_table[i].w_handle = NULL;
+ callback_table[i].x_handle = NULL;
}
- fileName = argv[1];
- if (fileName == NULL)
+ if (fileName)
{
- fprintf (stderr, "No filename specified\n");
- exit (1);
+ code = Tcl_EvalFile (interp, fileName);
+ if (*interp->result != 0)
+ printf ("%s\n", interp->result);
+ if (code != TCL_OK)
+ exit (1);
+ tcl_mainloop (interp, 0);
}
- if (Tcl_AppInit(interp) != TCL_OK) {
- fprintf(stderr, "Tcl_AppInit failed: %s\n", interp->result);
+ else if (isatty(0))
+ {
+
+ Tcl_SetVar (interp, "tcl_interactive", "1", TCL_GLOBAL_ONLY);
+ tcl_mainloop (interp, 1);
+ }
+ else
+ {
+ Tcl_DString command;
+ char input_buf[1024];
+ int count;
+
+ printf ("xx\n");
+ Tcl_DStringInit (&command);
+ while (fgets (input_buf, 1024, stdin))
+ {
+ count = strlen(input_buf);
+ Tcl_DStringAppend (&command, input_buf, count);
+ if (Tcl_CommandComplete (Tcl_DStringValue (&command)))
+ {
+ int code = Tcl_Eval (interp, Tcl_DStringValue (&command));
+ Tcl_DStringFree (&command);
+ if (code)
+ printf ("Error: %s\n", interp->result);
+ }
+ }
+ tcl_mainloop (interp, 0);
}
- code = Tcl_EvalFile (interp, fileName);
- if (*interp->result != 0)
- printf ("%s\n", interp->result);
- if (code != TCL_OK)
- exit (1);
- tcl_mainloop (interp);
exit (0);
}
-struct callback {
- void (*handle)(void *p);
- void *obj;
-};
-
-#define MAX_CALLBACK 20
-
-struct callback callback_table[MAX_CALLBACK];
-
-void tcl_mainloop (Tcl_Interp *interp)
+void tcl_mainloop (Tcl_Interp *interp, int interactive)
{
int i;
int res;
- int count;
- char input_buf[256];
Tcl_DString command;
+ static fd_set fdset_tcl_r;
+ static fd_set fdset_tcl_w;
+ static fd_set fdset_tcl_x;
+ int min_fd;
- for (i=0; i<MAX_CALLBACK; i++)
- callback_table[i].handle = NULL;
- Tcl_DStringInit (&command);
- printf ("[TCL]"); fflush (stdout);
+ min_fd = interactive ? 3 : 0;
+ if (interactive)
+ {
+ Tcl_DStringInit (&command);
+ printf ("%% "); fflush (stdout);
+ }
while (1)
{
- FD_ZERO (&fdset_tcl);
- FD_SET (0, &fdset_tcl);
- for (i=3; i<MAX_CALLBACK; i++)
- if (callback_table[i].handle)
- FD_SET (i, &fdset_tcl);
- if ((res = select(MAX_CALLBACK+1, &fdset_tcl, 0, 0, 0)) < 0)
+ FD_ZERO (&fdset_tcl_r);
+ FD_ZERO (&fdset_tcl_w);
+ FD_ZERO (&fdset_tcl_x);
+ if (interactive)
+ FD_SET (0, &fdset_tcl_r);
+ for (res=0, i=min_fd; i<=max_fd; i++)
+ {
+ if (callback_table[i].w_handle)
+ {
+ FD_SET (i, &fdset_tcl_w);
+ res++;
+ }
+ if (callback_table[i].r_handle)
+ {
+ FD_SET (i, &fdset_tcl_r);
+ res++;
+ }
+ if (callback_table[i].x_handle)
+ {
+ FD_SET (i, &fdset_tcl_x);
+ res++;
+ }
+ }
+ if (!interactive && !res)
+ return;
+ if ((res = select(max_fd+1, &fdset_tcl_r, &fdset_tcl_w,
+ &fdset_tcl_x, 0)) < 0)
{
perror("select");
exit(1);
}
if (!res)
continue;
- for (i=3; i<MAX_CALLBACK; i++)
- if (FD_ISSET (i, &fdset_tcl))
+ 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].handle);
- (*callback_table[i].handle) (callback_table[i].obj);
+ assert (callback_table[i].x_handle);
+ (*callback_table[i].x_handle) (callback_table[i].obj);
}
- if (FD_ISSET(0, &fdset_tcl))
+ }
+ if (interactive && FD_ISSET(0, &fdset_tcl_r))
{
- count = read (0, input_buf, 256);
+ char input_buf[1024];
+ int count = read (0, input_buf, 1024);
+
if (count <= 0)
exit (0);
Tcl_DStringAppend (&command, input_buf, count);
{
int code = Tcl_Eval (interp, Tcl_DStringValue (&command));
Tcl_DStringFree (&command);
- printf ("[RES:%s]\n", interp->result);
- printf ("[TCL]"); fflush (stdout);
+ if (code)
+ printf ("Error: %s\n", interp->result);
+ else if (*interp->result)
+ printf ("%s\n", interp->result);
+ printf ("%% "); fflush (stdout);
}
}
}
void ir_select_add (int fd, void *obj)
{
callback_table[fd].obj = obj;
- callback_table[fd].handle = ir_select_proc;
+ callback_table[fd].r_handle = ir_select_read;
+ callback_table[fd].w_handle = NULL;
+ callback_table[fd].x_handle = NULL;
+ 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].handle = NULL;
+ callback_table[fd].r_handle = NULL;
+ callback_table[fd].w_handle = NULL;
+ callback_table[fd].x_handle = NULL;
}
projects / ir-tcl-moved-to-github.git / blobdiff