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/* GIMP - The GNU 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <stdlib.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "libgimpbase/gimpbase.h"
#include "core-types.h"
#include "gimp.h"
#include "gimp-batch.h"
#include "gimpparamspecs.h"
#include "pdb/gimppdb.h"
#include "pdb/gimpprocedure.h"
#include "gimp-intl.h"
#define BATCH_DEFAULT_EVAL_PROC "plug-in-script-fu-eval"
static void gimp_batch_exit_after_callback (Gimp *gimp) G_GNUC_NORETURN;
static void gimp_batch_run_cmd (Gimp *gimp,
const gchar *proc_name,
GimpProcedure *procedure,
GimpRunMode run_mode,
const gchar *cmd);
void
gimp_batch_run (Gimp *gimp,
const gchar *batch_interpreter,
const gchar **batch_commands)
{
gulong exit_id;
if (! batch_commands || ! batch_commands[0])
return;
exit_id = g_signal_connect_after (gimp, "exit",
G_CALLBACK (gimp_batch_exit_after_callback),
NULL);
if (! batch_interpreter)
{
batch_interpreter = g_getenv ("GIMP_BATCH_INTERPRETER");
if (! batch_interpreter)
{
batch_interpreter = BATCH_DEFAULT_EVAL_PROC;
if (gimp->be_verbose)
g_printerr ("No batch interpreter specified, using the default "
"'%s'.\n", batch_interpreter);
}
}
/* script-fu text console, hardcoded for backward compatibility */
if (strcmp (batch_interpreter, "plug-in-script-fu-eval") == 0 &&
strcmp (batch_commands[0], "-") == 0)
{
const gchar *proc_name = "plug-in-script-fu-text-console";
GimpProcedure *procedure = gimp_pdb_lookup_procedure (gimp->pdb,
proc_name);
if (procedure)
gimp_batch_run_cmd (gimp, proc_name, procedure,
GIMP_RUN_NONINTERACTIVE, NULL);
else
g_message (_("The batch interpreter '%s' is not available. "
"Batch mode disabled."), proc_name);
}
else
{
GimpProcedure *eval_proc = gimp_pdb_lookup_procedure (gimp->pdb,
batch_interpreter);
if (eval_proc)
{
gint i;
for (i = 0; batch_commands[i]; i++)
gimp_batch_run_cmd (gimp, batch_interpreter, eval_proc,
GIMP_RUN_NONINTERACTIVE, batch_commands[i]);
}
else
{
g_message (_("The batch interpreter '%s' is not available. "
"Batch mode disabled."), batch_interpreter);
}
}
g_signal_handler_disconnect (gimp, exit_id);
}
/*
* The purpose of this handler is to exit GIMP cleanly when the batch
* procedure calls the gimp-exit procedure. Without this callback, the
* message "batch command experienced an execution error" would appear
* and gimp would hang forever.
*/
static void
gimp_batch_exit_after_callback (Gimp *gimp)
{
if (gimp->be_verbose)
g_print ("EXIT: %s\n", G_STRFUNC);
gegl_exit ();
exit (EXIT_SUCCESS);
}
static void
gimp_batch_run_cmd (Gimp *gimp,
const gchar *proc_name,
GimpProcedure *procedure,
GimpRunMode run_mode,
const gchar *cmd)
{
GimpValueArray *args;
GimpValueArray *return_vals;
GError *error = NULL;
gint i = 0;
args = gimp_procedure_get_arguments (procedure);
if (procedure->num_args > i &&
GIMP_IS_PARAM_SPEC_INT32 (procedure->args[i]))
g_value_set_int (gimp_value_array_index (args, i++), run_mode);
if (procedure->num_args > i &&
GIMP_IS_PARAM_SPEC_STRING (procedure->args[i]))
g_value_set_static_string (gimp_value_array_index (args, i++), cmd);
return_vals =
gimp_pdb_execute_procedure_by_name_args (gimp->pdb,
gimp_get_user_context (gimp),
NULL, &error,
proc_name, args);
switch (g_value_get_enum (gimp_value_array_index (return_vals, 0)))
{
case GIMP_PDB_EXECUTION_ERROR:
if (error)
{
g_printerr ("batch command experienced an execution error:\n"
"%s\n", error->message);
}
else
{
g_printerr ("batch command experienced an execution error\n");
}
break;
case GIMP_PDB_CALLING_ERROR:
if (error)
{
g_printerr ("batch command experienced a calling error:\n"
"%s\n", error->message);
}
else
{
g_printerr ("batch command experienced a calling error\n");
}
break;
case GIMP_PDB_SUCCESS:
g_printerr ("batch command executed successfully\n");
break;
}
gimp_value_array_unref (return_vals);
gimp_value_array_unref (args);
if (error)
g_error_free (error);
return;
}
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