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- /* The GIMP -- an image manipulation program
- * Copyright (C) 1995 Spencer Kimball and Peter Mattis
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
- #include "config.h"
-
- #include <ctype.h>
- #include <errno.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #ifdef HAVE_UNISTD_H
- #include <unistd.h>
- #endif
-
- #include <gtk/gtk.h>
-
- #include "apptypes.h"
-
- #include "appenv.h"
- #include "app_procs.h"
- #include "batch.h"
- #include "procedural_db.h"
-
- static void batch_run_cmd (char *cmd);
- static void batch_read (gpointer data,
- gint source,
- GdkInputCondition condition);
- static void batch_pserver (int run_mode,
- int flags,
- int extra);
-
-
- static ProcRecord *eval_proc;
-
- void
- batch_init ()
- {
- extern char **batch_cmds;
-
- int read_from_stdin;
- int i;
- int perl_server_already_running = 0;
-
- eval_proc = procedural_db_lookup ("extension_script_fu_eval");
-
- read_from_stdin = FALSE;
- for (i = 0; batch_cmds[i]; i++)
- {
-
- /* until --batch-interp=xxx or something similar is implemented
- * and gimp-1.0 is not extinct use a shortcut to speed up starting the
- * perl-server tremendously. This is also fully compatible with 1.0.
- */
- {
- int run_mode, flags, extra;
-
- if (sscanf (batch_cmds[i], "(extension%*[-_]perl%*[-_]server %i %i %i)", &run_mode, &flags, &extra) == 3)
- {
- if (!perl_server_already_running)
- {
- batch_pserver (run_mode, flags, extra);
- perl_server_already_running = 1;
- }
- continue;
- }
- }
-
- if (!eval_proc)
- {
- g_message ("script-fu not available: batch mode disabled\n");
- return;
- }
-
- if (strcmp (batch_cmds[i], "-") == 0)
- {
- if (!read_from_stdin)
- {
- #ifndef G_OS_WIN32 /* for now */
- g_print ("reading batch commands from stdin\n");
- gdk_input_add (STDIN_FILENO, GDK_INPUT_READ, batch_read, NULL);
- read_from_stdin = TRUE;
- #else
- g_error ("Batch mode from standard input not implemented on Win32");
- #endif
- }
- }
- else
- {
- batch_run_cmd (batch_cmds[i]);
- }
- }
- }
-
-
- static void
- batch_run_cmd (char *cmd)
- {
- Argument *args;
- Argument *vals;
- int i;
-
- if (g_strcasecmp (cmd, "(gimp-quit 0)") == 0)
- {
- app_exit (FALSE);
- exit (0);
- }
-
- args = g_new0 (Argument, eval_proc->num_args);
- for (i = 0; i < eval_proc->num_args; i++)
- args[i].arg_type = eval_proc->args[i].arg_type;
-
- args[0].value.pdb_int = 1;
- args[1].value.pdb_pointer = cmd;
-
- vals = procedural_db_execute ("extension_script_fu_eval", args);
- switch (vals[0].value.pdb_int)
- {
- case PDB_EXECUTION_ERROR:
- g_print ("batch command: experienced an execution error.\n");
- break;
- case PDB_CALLING_ERROR:
- g_print ("batch command: experienced a calling error.\n");
- break;
- case PDB_SUCCESS:
- g_print ("batch command: executed successfully.\n");
- break;
- default:
- break;
- }
-
- procedural_db_destroy_args (vals, eval_proc->num_values);
- g_free(args);
-
- return;
- }
-
- #ifndef G_OS_WIN32
-
- static void
- batch_read (gpointer data,
- gint source,
- GdkInputCondition condition)
- {
- static GString *string;
- char buf[32], *t;
- int nread, done;
-
- if (condition & GDK_INPUT_READ)
- {
- do {
- nread = read (source, &buf, sizeof (char) * 31);
- } while ((nread == -1) && ((errno == EAGAIN) || (errno == EINTR)));
-
- if ((nread == 0) && (!string || (string->len == 0)))
- app_exit (FALSE);
-
- buf[nread] = '\0';
-
- if (!string)
- string = g_string_new ("");
-
- t = buf;
- if (string->len == 0)
- {
- while (*t)
- {
- if (isspace (*t))
- t++;
- else
- break;
- }
- }
-
- g_string_append (string, t);
-
- done = FALSE;
-
- while (*t)
- {
- if ((*t == '\n') || (*t == '\r'))
- done = TRUE;
- t++;
- }
-
- if (done)
- {
- batch_run_cmd (string->str);
- g_string_truncate (string, 0);
- }
- }
- }
-
- #endif /* !G_OS_WIN32 */
-
- static void
- batch_pserver (int run_mode,
- int flags,
- int extra)
- {
- ProcRecord *pserver_proc;
- Argument *args;
- Argument *vals;
- int i;
-
- pserver_proc = procedural_db_lookup ("extension_perl_server");
-
- if (!pserver_proc)
- {
- g_message ("extension_perl_server not available: unable to start the perl server\n");
- return;
- }
-
- args = g_new0 (Argument, pserver_proc->num_args);
- for (i = 0; i < pserver_proc->num_args; i++)
- args[i].arg_type = pserver_proc->args[i].arg_type;
-
- args[0].value.pdb_int = run_mode;
- args[1].value.pdb_int = flags;
- args[2].value.pdb_int = extra;
-
- vals = procedural_db_execute ("extension_perl_server", args);
- switch (vals[0].value.pdb_int)
- {
- case PDB_EXECUTION_ERROR:
- g_print ("perl server: experienced an execution error.\n");
- break;
- case PDB_CALLING_ERROR:
- g_print ("perl server: experienced a calling error.\n");
- break;
- case PDB_SUCCESS:
- g_print ("perl server: executed successfully.\n");
- break;
- default:
- break;
- }
-
- procedural_db_destroy_args (vals, pserver_proc->num_values);
- g_free(args);
-
- return;
- }
-