gimp/app/batch.c

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#include "config.h"
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#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
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#include <unistd.h>
#endif
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#include "appenv.h"
#include "app_procs.h"
#include "batch.h"
#include "procedural_db.h"
#include "libgimp/gimpintl.h"
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static void batch_run_cmd (char *cmd);
static void batch_read (gpointer data,
gint source,
GdkInputCondition condition);
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static void batch_pserver (int run_mode,
int flags,
int extra);
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static ProcRecord *eval_proc;
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void
batch_init ()
{
extern char **batch_cmds;
int read_from_stdin;
int i;
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int perl_server_already_running = 0;
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eval_proc = procedural_db_lookup ("extension_script_fu_eval");
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read_from_stdin = FALSE;
for (i = 0; batch_cmds[i]; i++)
{
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/* until --batch-interp=xxx or something similar is implemented
* and gimp-1.0 is not extinct use a shortcut to speed up starting the
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* perl-server tremendously. This is also fully compatible with 1.0.
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*/
{
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)
{
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g_message ("script-fu not available: batch mode disabled\n");
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return;
}
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if (strcmp (batch_cmds[i], "-") == 0)
{
if (!read_from_stdin)
{
#ifndef G_OS_WIN32 /* for now */
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g_print ("reading batch commands from stdin\n");
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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
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}
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}
else
{
batch_run_cmd (batch_cmds[i]);
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}
}
}
static void
batch_run_cmd (char *cmd)
{
Argument *args;
Argument *vals;
int i;
if (g_strcasecmp (cmd, "(gimp-quit 0)") == 0)
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{
app/appenv.h New file. Includes <math.h>. Move G_PI, RINT(), ROUND() etc 1999-09-01 Tor Lillqvist <tml@iki.fi> * app/appenv.h * libgimp/gimpmath.h: New file. Includes <math.h>. Move G_PI, RINT(), ROUND() etc from app/appenv.h here, so plug-ins can use them, too. Remove some commented-out old stuff in appenv.h. * libgimp/gimp.h: Include gimpmath.h. * libgimp/gimp.c (gimp_main): Win32: Don't install signal handlers, we can't do anything useful in the handler ourselves anyway (it would be nice to print out a backtrace, but that seems pretty hard to do, even if not impossible). Let Windows inform the user about the crash. If the plug-in was compiled with MSVC, and the user also has it, she is offered a chance to start the debugger automatically anyway. * app/*several*.c: Include gimpmath.h for G_PI etc. Don't include <math.h>, as gimpmath.h includes it. * plug-ins/*/*many*.c: Include config.h. Don't include <math.h>. Remove all the duplicated definitions of G_PI and rint(). Use RINT() instead of rint(). * app/app_procs.[ch]: app_exit() takes a gboolean. * app/batch.c * app/commands.c * app/interface.c: Call app_exit() with FALSE or TRUE. * app/main.c (on_error): Call gimp_fatal_error. (main): Don't install any signal handler on Win32 here, either. * app/errors.c (gimp_fatal_error, gimp_terminate): Win32: Format the message and call MessageBox with it. g_on_error_query doesn't do anything useful on Win32, and printf'ing a message to stdout or stderr doesn't do anything, either, in a windowing application.
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app_exit (FALSE);
exit (0);
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}
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;
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args[0].value.pdb_int = 1;
args[1].value.pdb_pointer = cmd;
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vals = procedural_db_execute ("extension_script_fu_eval", args);
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switch (vals[0].value.pdb_int)
{
case PDB_EXECUTION_ERROR:
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g_print ("batch command: experienced an execution error.\n");
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break;
case PDB_CALLING_ERROR:
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g_print ("batch command: experienced a calling error.\n");
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break;
case PDB_SUCCESS:
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g_print ("batch command: executed successfully.\n");
break;
default:
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break;
}
procedural_db_destroy_args (vals, eval_proc->num_values);
g_free(args);
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return;
}
#ifndef G_OS_WIN32
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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)
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{
batch_run_cmd (string->str);
g_string_truncate (string, 0);
}
}
}
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#endif /* !G_OS_WIN32 */
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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)
{
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g_message ("extension_perl_server not available: unable to start the perl server\n");
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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:
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g_print ("perl server: experienced an execution error.\n");
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break;
case PDB_CALLING_ERROR:
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g_print ("perl server: experienced a calling error.\n");
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break;
case PDB_SUCCESS:
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g_print ("perl server: executed successfully.\n");
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break;
default:
break;
}
procedural_db_destroy_args (vals, pserver_proc->num_values);
g_free(args);
return;
}