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#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.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 ProcRecord *eval_proc;
void
batch_init ()
{
extern char **batch_cmds;
int read_from_stdin;
int i;
eval_proc = procedural_db_lookup ("extension_script_fu_eval");
if (!eval_proc)
{
g_message ("script-fu not available: batch mode disabled\n");
return;
}
read_from_stdin = FALSE;
for (i = 0; batch_cmds[i]; i++)
{
if (strcmp (batch_cmds[i], "-") == 0)
{
if (!read_from_stdin)
{
g_print ("reading batch commands from stdin\n");
gdk_input_add (STDIN_FILENO, GDK_INPUT_READ, batch_read, NULL);
read_from_stdin = TRUE;
}
}
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 (0);
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;
}
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'))
{
t = '\0';
done = TRUE;
}
t++;
}
if (done)
{
batch_run_cmd (string->str);
g_string_truncate (string, 0);
}
}
}
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