/* 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 .
*/
#if 0
#define DEBUG_MARSHALL 0 /* No need to define this until you need it */
#define DEBUG_SCRIPTS 0
#endif
#include "config.h"
#include
#include
#include
#include "libgimp/gimp.h"
#include "tinyscheme/scheme-private.h"
#if USE_DL
#include "tinyscheme/dynload.h"
#endif
#include "ftx/ftx.h"
#include "script-fu-types.h"
#include "script-fu-console.h"
#include "script-fu-interface.h"
#include "script-fu-regex.h"
#include "script-fu-scripts.h"
#include "script-fu-server.h"
#include "scheme-wrapper.h"
#undef cons
static void ts_init_constants (scheme *sc);
static void ts_init_enum (scheme *sc,
GType enum_type);
static void ts_init_procedures (scheme *sc,
gboolean register_scipts);
static void convert_string (gchar *str);
static pointer script_fu_marshal_procedure_call (scheme *sc,
pointer a,
gboolean permissive);
static pointer script_fu_marshal_procedure_call_strict (scheme *sc,
pointer a);
static pointer script_fu_marshal_procedure_call_permissive (scheme *sc,
pointer a);
static void script_fu_marshal_destroy_args (GimpParam *params,
gint n_params);
static pointer script_fu_register_call (scheme *sc,
pointer a);
static pointer script_fu_menu_register_call (scheme *sc,
pointer a);
static pointer script_fu_quit_call (scheme *sc,
pointer a);
static pointer script_fu_nil_call (scheme *sc,
pointer a);
static gboolean ts_load_file (const gchar *dirname,
const gchar *basename);
typedef struct
{
const gchar *name;
gint value;
} NamedConstant;
static const NamedConstant script_constants[] =
{
/* Useful values from libgimpbase/gimplimits.h */
{ "MIN-IMAGE-SIZE", GIMP_MIN_IMAGE_SIZE },
{ "MAX-IMAGE-SIZE", GIMP_MAX_IMAGE_SIZE },
{ "MIN-RESOLUTION", GIMP_MIN_RESOLUTION },
{ "MAX-RESOLUTION", GIMP_MAX_RESOLUTION },
/* Useful misc stuff */
{ "TRUE", TRUE },
{ "FALSE", FALSE },
/* Builtin units */
{ "UNIT-PIXEL", GIMP_UNIT_PIXEL },
{ "UNIT-INCH", GIMP_UNIT_INCH },
{ "UNIT-MM", GIMP_UNIT_MM },
{ "UNIT-POINT", GIMP_UNIT_POINT },
{ "UNIT-PICA", GIMP_UNIT_PICA },
/* Script-Fu types */
{ "SF-IMAGE", SF_IMAGE },
{ "SF-DRAWABLE", SF_DRAWABLE },
{ "SF-LAYER", SF_LAYER },
{ "SF-CHANNEL", SF_CHANNEL },
{ "SF-VECTORS", SF_VECTORS },
{ "SF-COLOR", SF_COLOR },
{ "SF-TOGGLE", SF_TOGGLE },
{ "SF-VALUE", SF_VALUE },
{ "SF-STRING", SF_STRING },
{ "SF-FILENAME", SF_FILENAME },
{ "SF-DIRNAME", SF_DIRNAME },
{ "SF-ADJUSTMENT", SF_ADJUSTMENT },
{ "SF-FONT", SF_FONT },
{ "SF-PATTERN", SF_PATTERN },
{ "SF-BRUSH", SF_BRUSH },
{ "SF-GRADIENT", SF_GRADIENT },
{ "SF-OPTION", SF_OPTION },
{ "SF-PALETTE", SF_PALETTE },
{ "SF-TEXT", SF_TEXT },
{ "SF-ENUM", SF_ENUM },
{ "SF-DISPLAY", SF_DISPLAY },
/* For SF-ADJUSTMENT */
{ "SF-SLIDER", SF_SLIDER },
{ "SF-SPINNER", SF_SPINNER },
{ NULL, 0 }
};
static scheme sc;
void
tinyscheme_init (GList *path,
gboolean register_scripts)
{
/* init the interpreter */
if (! scheme_init (&sc))
{
g_message ("Could not initialize TinyScheme!");
return;
}
scheme_set_input_port_file (&sc, stdin);
scheme_set_output_port_file (&sc, stdout);
ts_register_output_func (ts_stdout_output_func, NULL);
/* Initialize the TinyScheme extensions */
init_ftx (&sc);
script_fu_regex_init (&sc);
/* register in the interpreter the gimp functions and types. */
ts_init_constants (&sc);
ts_init_procedures (&sc, register_scripts);
if (path)
{
GList *list;
for (list = path; list; list = g_list_next (list))
{
gchar *dir = g_file_get_path (list->data);
if (ts_load_file (dir, "script-fu.init"))
{
/* To improve compatibility with older Script-Fu scripts,
* load script-fu-compat.init from the same directory.
*/
ts_load_file (dir, "script-fu-compat.init");
/* To improve compatibility with older GIMP version,
* load plug-in-compat.init from the same directory.
*/
ts_load_file (dir, "plug-in-compat.init");
g_free (dir);
break;
}
g_free (dir);
}
if (list == NULL)
g_printerr ("Unable to read initialization file script-fu.init\n");
}
}
/* Create an SF-RUN-MODE constant for use in scripts.
* It is set to the run mode state determined by GIMP.
*/
void
ts_set_run_mode (GimpRunMode run_mode)
{
pointer symbol;
symbol = sc.vptr->mk_symbol (&sc, "SF-RUN-MODE");
sc.vptr->scheme_define (&sc, sc.global_env, symbol,
sc.vptr->mk_integer (&sc, run_mode));
sc.vptr->setimmutable (symbol);
}
void
ts_set_print_flag (gint print_flag)
{
sc.print_output = print_flag;
}
void
ts_print_welcome (void)
{
ts_output_string (TS_OUTPUT_NORMAL,
"Welcome to TinyScheme, Version 1.40\n", -1);
ts_output_string (TS_OUTPUT_NORMAL,
"Copyright (c) Dimitrios Souflis\n", -1);
}
void
ts_interpret_stdin (void)
{
scheme_load_file (&sc, stdin);
}
gint
ts_interpret_string (const gchar *expr)
{
#if DEBUG_SCRIPTS
sc.print_output = 1;
sc.tracing = 1;
#endif
sc.vptr->load_string (&sc, (char *) expr);
return sc.retcode;
}
const gchar *
ts_get_success_msg (void)
{
if (sc.vptr->is_string (sc.value))
return sc.vptr->string_value (sc.value);
return "Success";
}
void
ts_stdout_output_func (TsOutputType type,
const char *string,
int len,
gpointer user_data)
{
if (len < 0)
len = strlen (string);
fprintf (stdout, "%.*s", len, string);
fflush (stdout);
}
void
ts_gstring_output_func (TsOutputType type,
const char *string,
int len,
gpointer user_data)
{
GString *gstr = (GString *) user_data;
g_string_append_len (gstr, string, len);
}
/* private functions */
/*
* Below can be found the functions responsible for registering the
* gimp functions and types against the scheme interpreter.
*/
static void
ts_init_constants (scheme *sc)
{
const gchar **enum_type_names;
gint n_enum_type_names;
gint i;
pointer symbol;
GQuark quark;
symbol = sc->vptr->mk_symbol (sc, "gimp-directory");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_string (sc, gimp_directory ()));
sc->vptr->setimmutable (symbol);
symbol = sc->vptr->mk_symbol (sc, "gimp-data-directory");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_string (sc, gimp_data_directory ()));
sc->vptr->setimmutable (symbol);
symbol = sc->vptr->mk_symbol (sc, "gimp-plug-in-directory");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_string (sc, gimp_plug_in_directory ()));
sc->vptr->setimmutable (symbol);
symbol = sc->vptr->mk_symbol (sc, "gimp-locale-directory");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_string (sc, gimp_locale_directory ()));
sc->vptr->setimmutable (symbol);
symbol = sc->vptr->mk_symbol (sc, "gimp-sysconf-directory");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_string (sc, gimp_sysconf_directory ()));
sc->vptr->setimmutable (symbol);
enum_type_names = gimp_enums_get_type_names (&n_enum_type_names);
quark = g_quark_from_static_string ("gimp-compat-enum");
for (i = 0; i < n_enum_type_names; i++)
{
const gchar *enum_name = enum_type_names[i];
GType enum_type = g_type_from_name (enum_name);
ts_init_enum (sc, enum_type);
enum_type = (GType) g_type_get_qdata (enum_type, quark);
if (enum_type)
ts_init_enum (sc, enum_type);
}
/* Constants used in the register block of scripts */
for (i = 0; script_constants[i].name != NULL; ++i)
{
symbol = sc->vptr->mk_symbol (sc, script_constants[i].name);
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_integer (sc,
script_constants[i].value));
sc->vptr->setimmutable (symbol);
}
/* Define string constant for use in building paths to files/directories */
symbol = sc->vptr->mk_symbol (sc, "DIR-SEPARATOR");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_string (sc, G_DIR_SEPARATOR_S));
sc->vptr->setimmutable (symbol);
/* Define string constant for use in building search paths */
symbol = sc->vptr->mk_symbol (sc, "SEARCHPATH-SEPARATOR");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_string (sc, G_SEARCHPATH_SEPARATOR_S));
sc->vptr->setimmutable (symbol);
/* These constants are deprecated and will be removed at a later date. */
symbol = sc->vptr->mk_symbol (sc, "gimp-dir");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_string (sc, gimp_directory ()));
sc->vptr->setimmutable (symbol);
symbol = sc->vptr->mk_symbol (sc, "gimp-data-dir");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_string (sc, gimp_data_directory ()));
sc->vptr->setimmutable (symbol);
symbol = sc->vptr->mk_symbol (sc, "gimp-plugin-dir");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_string (sc, gimp_plug_in_directory ()));
sc->vptr->setimmutable (symbol);
}
static void
ts_init_enum (scheme *sc,
GType enum_type)
{
GEnumClass *enum_class = g_type_class_ref (enum_type);
GEnumValue *value;
for (value = enum_class->values; value->value_name; value++)
{
if (g_str_has_prefix (value->value_name, "GIMP_"))
{
gchar *scheme_name;
pointer symbol;
scheme_name = g_strdup (value->value_name + strlen ("GIMP_"));
convert_string (scheme_name);
symbol = sc->vptr->mk_symbol (sc, scheme_name);
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_integer (sc, value->value));
sc->vptr->setimmutable (symbol);
g_free (scheme_name);
}
}
g_type_class_unref (enum_class);
}
static void
ts_init_procedures (scheme *sc,
gboolean register_scripts)
{
gchar **proc_list;
gint num_procs;
gint i;
pointer symbol;
#if USE_DL
symbol = sc->vptr->mk_symbol (sc,"load-extension");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_foreign_func (sc, scm_load_ext));
sc->vptr->setimmutable (symbol);
#endif
symbol = sc->vptr->mk_symbol (sc, "script-fu-register");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_foreign_func (sc,
register_scripts ?
script_fu_register_call :
script_fu_nil_call));
sc->vptr->setimmutable (symbol);
symbol = sc->vptr->mk_symbol (sc, "script-fu-menu-register");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_foreign_func (sc,
register_scripts ?
script_fu_menu_register_call :
script_fu_nil_call));
sc->vptr->setimmutable (symbol);
symbol = sc->vptr->mk_symbol (sc, "script-fu-quit");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_foreign_func (sc, script_fu_quit_call));
sc->vptr->setimmutable (symbol);
/* register the database execution procedure */
symbol = sc->vptr->mk_symbol (sc, "gimp-proc-db-call");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_foreign_func (sc,
script_fu_marshal_procedure_call_strict));
sc->vptr->setimmutable (symbol);
/* register the internal database execution procedure; see comment below */
symbol = sc->vptr->mk_symbol (sc, "-gimp-proc-db-call");
sc->vptr->scheme_define (sc, sc->global_env, symbol,
sc->vptr->mk_foreign_func (sc,
script_fu_marshal_procedure_call_permissive));
sc->vptr->setimmutable (symbol);
gimp_procedural_db_query (".*", ".*", ".*", ".*", ".*", ".*", ".*",
&num_procs, &proc_list);
/* Register each procedure as a scheme func */
for (i = 0; i < num_procs; i++)
{
gchar *buff;
/* Build a define that will call the foreign function.
* The Scheme statement was suggested by Simon Budig.
*
* We call the procedure through -gimp-proc-db-call, which is a more
* permissive version of gimp-proc-db-call, that accepts (and ignores)
* any number of arguments for nullary procedures, for backward
* compatibility.
*/
buff = g_strdup_printf (" (define (%s . args)"
" (apply -gimp-proc-db-call \"%s\" args))",
proc_list[i], proc_list[i]);
/* Execute the 'define' */
sc->vptr->load_string (sc, buff);
g_free (buff);
}
g_strfreev (proc_list);
}
static gboolean
ts_load_file (const gchar *dirname,
const gchar *basename)
{
gchar *filename;
FILE *fin;
filename = g_build_filename (dirname, basename, NULL);
fin = g_fopen (filename, "rb");
g_free (filename);
if (fin)
{
scheme_load_file (&sc, fin);
fclose (fin);
return TRUE;
}
return FALSE;
}
static void
convert_string (gchar *str)
{
while (*str)
{
if (*str == '_') *str = '-';
str++;
}
}
/* This is called by the Scheme interpreter to allow calls to GIMP functions */
static pointer
script_fu_marshal_procedure_call (scheme *sc,
pointer a,
gboolean permissive)
{
GimpParam *args;
GimpParam *values = NULL;
gint nvalues;
gchar *proc_name;
gchar *proc_blurb;
gchar *proc_help;
gchar *proc_author;
gchar *proc_copyright;
gchar *proc_date;
GimpPDBProcType proc_type;
gint nparams;
gint nreturn_vals;
GimpParamDef *params;
GimpParamDef *return_vals;
gchar error_str[1024];
gint i;
gint success = TRUE;
pointer return_val = sc->NIL;
#if DEBUG_MARSHALL
/* These three #defines are from Tinyscheme (tinyscheme/scheme.c) */
#define T_MASKTYPE 31
#define typeflag(p) ((p)->_flag)
#define type(p) (typeflag(p)&T_MASKTYPE)
static const char *ts_types[] =
{
"T_NONE",
"T_STRING", "T_NUMBER", "T_SYMBOL", "T_PROC",
"T_PAIR", "T_CLOSURE", "T_CONTINUATION", "T_FOREIGN",
"T_CHARACTER", "T_PORT", "T_VECTOR", "T_MACRO",
"T_PROMISE", "T_ENVIRONMENT","T_ARRAY"
};
g_printerr ("\nIn %s()\n", G_STRFUNC);
#endif
/* Make sure there are arguments */
if (a == sc->NIL)
return foreign_error (sc,
"Procedure argument marshaller was called with no arguments. "
"The procedure to be executed and the arguments it requires "
"(possibly none) must be specified.", 0);
/* The PDB procedure name is the argument or first argument of the list */
if (sc->vptr->is_pair (a))
proc_name = g_strdup (sc->vptr->string_value (sc->vptr->pair_car (a)));
else
proc_name = g_strdup (sc->vptr->string_value (a));
#ifdef DEBUG_MARSHALL
g_printerr (" proc name: %s\n", proc_name);
g_printerr (" parms rcvd: %d\n", sc->vptr->list_length (sc, a)-1);
#endif
/* report the current command */
script_fu_interface_report_cc (proc_name);
/* Attempt to fetch the procedure from the database */
if (! gimp_procedural_db_proc_info (proc_name,
&proc_blurb,
&proc_help,
&proc_author,
&proc_copyright,
&proc_date,
&proc_type,
&nparams, &nreturn_vals,
¶ms, &return_vals))
{
#ifdef DEBUG_MARSHALL
g_printerr (" Invalid procedure name\n");
#endif
g_snprintf (error_str, sizeof (error_str),
"Invalid procedure name %s specified", proc_name);
return foreign_error (sc, error_str, 0);
}
/* Free the name and the description which are of no use here. */
for (i = 0; i < nparams; i++)
{
g_free (params[i].name);
g_free (params[i].description);
}
for (i = 0; i < nreturn_vals; i++)
{
g_free (return_vals[i].name);
g_free (return_vals[i].description);
}
/* Check the supplied number of arguments */
if ((nparams > 0 || ! permissive) &&
(sc->vptr->list_length (sc, a) - 1) != nparams)
{
#if DEBUG_MARSHALL
g_printerr (" Invalid number of arguments (expected %d but received %d)",
nparams, (sc->vptr->list_length (sc, a) - 1));
#endif
g_snprintf (error_str, sizeof (error_str),
"Invalid number of arguments for %s (expected %d but received %d)",
proc_name, nparams, (sc->vptr->list_length (sc, a) - 1));
return foreign_error (sc, error_str, 0);
}
/* Marshall the supplied arguments */
if (nparams)
args = g_new (GimpParam, nparams);
else
args = NULL;
for (i = 0; i < nparams; i++)
{
gint32 n_elements;
pointer vector;
gint j;
a = sc->vptr->pair_cdr (a);
#if DEBUG_MARSHALL
{
const gchar *type_name;
gimp_enum_get_value (GIMP_TYPE_PDB_ARG_TYPE,
params[i].type,
&type_name, NULL, NULL, NULL);
g_printerr (" param %d - expecting type %s (%d)\n",
i + 1, type_name, params[i].type);
g_printerr (" passed arg is type %s (%d)\n",
ts_types[ type(sc->vptr->pair_car (a)) ],
type(sc->vptr->pair_car (a)));
}
#endif
args[i].type = params[i].type;
switch (params[i].type)
{
case GIMP_PDB_INT32:
case GIMP_PDB_DISPLAY:
case GIMP_PDB_IMAGE:
case GIMP_PDB_ITEM:
case GIMP_PDB_LAYER:
case GIMP_PDB_CHANNEL:
case GIMP_PDB_DRAWABLE:
case GIMP_PDB_SELECTION:
case GIMP_PDB_VECTORS:
if (!sc->vptr->is_number (sc->vptr->pair_car (a)))
success = FALSE;
if (success)
{
args[i].data.d_int32 = sc->vptr->ivalue (sc->vptr->pair_car (a));
#if DEBUG_MARSHALL
g_printerr (" int32 arg is '%d'\n", args[i].data.d_int32);
#endif
}
break;
case GIMP_PDB_INT16:
if (!sc->vptr->is_number (sc->vptr->pair_car (a)))
success = FALSE;
if (success)
{
args[i].data.d_int16 = (gint16) sc->vptr->ivalue (sc->vptr->pair_car (a));
#if DEBUG_MARSHALL
g_printerr (" int16 arg is '%d'\n", args[i].data.d_int16);
#endif
}
break;
case GIMP_PDB_INT8:
if (!sc->vptr->is_number (sc->vptr->pair_car (a)))
success = FALSE;
if (success)
{
args[i].data.d_int8 = (guint8) sc->vptr->ivalue (sc->vptr->pair_car (a));
#if DEBUG_MARSHALL
g_printerr (" int8 arg is '%u'\n", args[i].data.d_int8);
#endif
}
break;
case GIMP_PDB_FLOAT:
if (!sc->vptr->is_number (sc->vptr->pair_car (a)))
success = FALSE;
if (success)
{
args[i].data.d_float = sc->vptr->rvalue (sc->vptr->pair_car (a));
#if DEBUG_MARSHALL
g_printerr (" float arg is '%f'\n", args[i].data.d_float);
#endif
}
break;
case GIMP_PDB_STRING:
if (!sc->vptr->is_string (sc->vptr->pair_car (a)))
success = FALSE;
if (success)
{
args[i].data.d_string = sc->vptr->string_value (sc->vptr->pair_car (a));
#if DEBUG_MARSHALL
g_printerr (" string arg is '%s'\n", args[i].data.d_string);
#endif
}
break;
case GIMP_PDB_INT32ARRAY:
vector = sc->vptr->pair_car (a);
if (!sc->vptr->is_vector (vector))
success = FALSE;
if (success)
{
n_elements = args[i-1].data.d_int32;
if (n_elements < 0 ||
n_elements > sc->vptr->vector_length (vector))
{
g_snprintf (error_str, sizeof (error_str),
"INT32 vector (argument %d) for function %s has "
"size of %ld but expected size of %d",
i+1, proc_name,
sc->vptr->vector_length (vector), n_elements);
return foreign_error (sc, error_str, 0);
}
args[i].data.d_int32array = g_new (gint32, n_elements);
for (j = 0; j < n_elements; j++)
{
pointer v_element = sc->vptr->vector_elem (vector, j);
/* FIXME: Check values in vector stay within range for each type. */
if (!sc->vptr->is_number (v_element))
{
g_snprintf (error_str, sizeof (error_str),
"Item %d in vector is not a number (argument %d for function %s)",
j+1, i+1, proc_name);
return foreign_error (sc, error_str, vector);
}
args[i].data.d_int32array[j] =
(gint32) sc->vptr->ivalue (v_element);
}
#if DEBUG_MARSHALL
{
glong count = sc->vptr->vector_length (vector);
g_printerr (" int32 vector has %ld elements\n", count);
if (count > 0)
{
g_printerr (" ");
for (j = 0; j < count; ++j)
g_printerr (" %ld",
sc->vptr->ivalue ( sc->vptr->vector_elem (vector, j) ));
g_printerr ("\n");
}
}
#endif
}
break;
case GIMP_PDB_INT16ARRAY:
vector = sc->vptr->pair_car (a);
if (!sc->vptr->is_vector (vector))
success = FALSE;
if (success)
{
n_elements = args[i-1].data.d_int32;
if (n_elements < 0 || n_elements > sc->vptr->vector_length (vector))
{
g_snprintf (error_str, sizeof (error_str),
"INT16 vector (argument %d) for function %s has "
"size of %ld but expected size of %d",
i+1, proc_name, sc->vptr->vector_length (vector), n_elements);
return foreign_error (sc, error_str, 0);
}
args[i].data.d_int16array = g_new (gint16, n_elements);
for (j = 0; j < n_elements; j++)
{
pointer v_element = sc->vptr->vector_elem (vector, j);
if (!sc->vptr->is_number (v_element))
{
g_snprintf (error_str, sizeof (error_str),
"Item %d in vector is not a number (argument %d for function %s)",
j+1, i+1, proc_name);
return foreign_error (sc, error_str, vector);
}
args[i].data.d_int16array[j] =
(gint16) sc->vptr->ivalue (v_element);
}
#if DEBUG_MARSHALL
{
glong count = sc->vptr->vector_length (vector);
g_printerr (" int16 vector has %ld elements\n", count);
if (count > 0)
{
g_printerr (" ");
for (j = 0; j < count; ++j)
g_printerr (" %ld",
sc->vptr->ivalue ( sc->vptr->vector_elem (vector, j) ));
g_printerr ("\n");
}
}
#endif
}
break;
case GIMP_PDB_INT8ARRAY:
vector = sc->vptr->pair_car (a);
if (!sc->vptr->is_vector (vector))
success = FALSE;
if (success)
{
n_elements = args[i-1].data.d_int32;
if (n_elements < 0 ||
n_elements > sc->vptr->vector_length (vector))
{
g_snprintf (error_str, sizeof (error_str),
"INT8 vector (argument %d) for function %s has "
"size of %ld but expected size of %d",
i+1, proc_name,
sc->vptr->vector_length (vector), n_elements);
return foreign_error (sc, error_str, 0);
}
args[i].data.d_int8array = g_new (guint8, n_elements);
for (j = 0; j < n_elements; j++)
{
pointer v_element = sc->vptr->vector_elem (vector, j);
if (!sc->vptr->is_number (v_element))
{
g_snprintf (error_str, sizeof (error_str),
"Item %d in vector is not a number (argument %d for function %s)",
j+1, i+1, proc_name);
return foreign_error (sc, error_str, vector);
}
args[i].data.d_int8array[j] =
(guint8) sc->vptr->ivalue (v_element);
}
#if DEBUG_MARSHALL
{
glong count = sc->vptr->vector_length (vector);
g_printerr (" int8 vector has %ld elements\n", count);
if (count > 0)
{
g_printerr (" ");
for (j = 0; j < count; ++j)
g_printerr (" %ld",
sc->vptr->ivalue ( sc->vptr->vector_elem (vector, j) ));
g_printerr ("\n");
}
}
#endif
}
break;
case GIMP_PDB_FLOATARRAY:
vector = sc->vptr->pair_car (a);
if (!sc->vptr->is_vector (vector))
success = FALSE;
if (success)
{
n_elements = args[i-1].data.d_int32;
if (n_elements < 0 ||
n_elements > sc->vptr->vector_length (vector))
{
g_snprintf (error_str, sizeof (error_str),
"FLOAT vector (argument %d) for function %s has "
"size of %ld but expected size of %d",
i+1, proc_name,
sc->vptr->vector_length (vector), n_elements);
return foreign_error (sc, error_str, 0);
}
args[i].data.d_floatarray = g_new (gdouble, n_elements);
for (j = 0; j < n_elements; j++)
{
pointer v_element = sc->vptr->vector_elem (vector, j);
if (!sc->vptr->is_number (v_element))
{
g_snprintf (error_str, sizeof (error_str),
"Item %d in vector is not a number (argument %d for function %s)",
j+1, i+1, proc_name);
return foreign_error (sc, error_str, vector);
}
args[i].data.d_floatarray[j] =
(gfloat) sc->vptr->rvalue (v_element);
}
#if DEBUG_MARSHALL
{
glong count = sc->vptr->vector_length (vector);
g_printerr (" float vector has %ld elements\n", count);
if (count > 0)
{
g_printerr (" ");
for (j = 0; j < count; ++j)
g_printerr (" %f",
sc->vptr->rvalue ( sc->vptr->vector_elem (vector, j) ));
g_printerr ("\n");
}
}
#endif
}
break;
case GIMP_PDB_STRINGARRAY:
vector = sc->vptr->pair_car (a); /* vector is pointing to a list */
if (!sc->vptr->is_list (sc, vector))
success = FALSE;
if (success)
{
n_elements = args[i - 1].data.d_int32;
if (n_elements < 0 ||
n_elements > sc->vptr->list_length (sc, vector))
{
g_snprintf (error_str, sizeof (error_str),
"STRING vector (argument %d) for function %s has "
"length of %d but expected length of %d",
i+1, proc_name,
sc->vptr->list_length (sc, vector), n_elements);
return foreign_error (sc, error_str, 0);
}
args[i].data.d_stringarray = g_new (gchar *, n_elements);
for (j = 0; j < n_elements; j++)
{
pointer v_element = sc->vptr->pair_car (vector);
if (!sc->vptr->is_string (v_element))
{
g_snprintf (error_str, sizeof (error_str),
"Item %d in vector is not a string (argument %d for function %s)",
j+1, i+1, proc_name);
return foreign_error (sc, error_str, vector);
}
args[i].data.d_stringarray[j] =
(gchar *) sc->vptr->string_value (v_element);
vector = sc->vptr->pair_cdr (vector);
}
#if DEBUG_MARSHALL
{
glong count = sc->vptr->list_length ( sc, sc->vptr->pair_car (a) );
g_printerr (" string vector has %ld elements\n", count);
if (count > 0)
{
g_printerr (" ");
for (j = 0; j < count; ++j)
g_printerr (" \"%s\"",
args[i].data.d_stringarray[j]);
g_printerr ("\n");
}
}
#endif
}
break;
case GIMP_PDB_COLOR:
if (sc->vptr->is_string (sc->vptr->pair_car (a)))
{
if (! gimp_rgb_parse_css (&args[i].data.d_color,
sc->vptr->string_value (sc->vptr->pair_car (a)),
-1))
success = FALSE;
gimp_rgb_set_alpha (&args[i].data.d_color, 1.0);
#if DEBUG_MARSHALL
g_printerr (" (%s)\n",
sc->vptr->string_value (sc->vptr->pair_car (a)));
#endif
}
else if (sc->vptr->is_list (sc, sc->vptr->pair_car (a)) &&
sc->vptr->list_length (sc, sc->vptr->pair_car (a)) == 3)
{
pointer color_list;
guchar r = 0, g = 0, b = 0;
color_list = sc->vptr->pair_car (a);
if (sc->vptr->is_number (sc->vptr->pair_car (color_list)))
r = CLAMP (sc->vptr->ivalue (sc->vptr->pair_car (color_list)),
0, 255);
else
success = FALSE;
color_list = sc->vptr->pair_cdr (color_list);
if (sc->vptr->is_number (sc->vptr->pair_car (color_list)))
g = CLAMP (sc->vptr->ivalue (sc->vptr->pair_car (color_list)),
0, 255);
else
success = FALSE;
color_list = sc->vptr->pair_cdr (color_list);
if (sc->vptr->is_number (sc->vptr->pair_car (color_list)))
b = CLAMP (sc->vptr->ivalue (sc->vptr->pair_car (color_list)),
0, 255);
else
success = FALSE;
if (success)
gimp_rgba_set_uchar (&args[i].data.d_color, r, g, b, 255);
#if DEBUG_MARSHALL
if (success)
g_printerr (" (%d %d %d)\n", r, g, b);
else
g_printerr (" COLOR list contains non-numbers\n");
#endif
}
else
{
success = FALSE;
}
break;
case GIMP_PDB_COLORARRAY:
vector = sc->vptr->pair_car (a);
if (!sc->vptr->is_vector (vector))
success = FALSE;
if (success)
{
n_elements = args[i-1].data.d_int32;
if (n_elements < 0 ||
n_elements > sc->vptr->vector_length (vector))
{
g_snprintf (error_str, sizeof (error_str),
"COLOR vector (argument %d) for function %s has "
"size of %ld but expected size of %d",
i+1, proc_name,
sc->vptr->vector_length (vector), n_elements);
return foreign_error (sc, error_str, 0);
}
args[i].data.d_colorarray = g_new (GimpRGB, n_elements);
for (j = 0; j < n_elements; j++)
{
pointer v_element = sc->vptr->vector_elem (vector, j);
pointer color_list;
guchar r, g, b;
if (! (sc->vptr->is_list (sc,
sc->vptr->pair_car (v_element)) &&
sc->vptr->list_length (sc,
sc->vptr->pair_car (v_element)) == 3))
{
g_snprintf (error_str, sizeof (error_str),
"Item %d in vector is not a color "
"(argument %d for function %s)",
j+1, i+1, proc_name);
return foreign_error (sc, error_str, vector);
}
color_list = sc->vptr->pair_car (v_element);
r = CLAMP (sc->vptr->ivalue (sc->vptr->pair_car (color_list)),
0, 255);
color_list = sc->vptr->pair_cdr (color_list);
g = CLAMP (sc->vptr->ivalue (sc->vptr->pair_car (color_list)),
0, 255);
color_list = sc->vptr->pair_cdr (color_list);
b = CLAMP (sc->vptr->ivalue (sc->vptr->pair_car (color_list)),
0, 255);
gimp_rgba_set_uchar (&args[i].data.d_colorarray[j],
r, g, b, 255);
}
#if DEBUG_MARSHALL
{
glong count = sc->vptr->vector_length (vector);
g_printerr (" color vector has %ld elements\n", count);
}
#endif
}
break;
case GIMP_PDB_PARASITE:
if (!sc->vptr->is_list (sc, sc->vptr->pair_car (a)) ||
sc->vptr->list_length (sc, sc->vptr->pair_car (a)) != 3)
success = FALSE;
if (success)
{
pointer temp_val;
/* parasite->name */
temp_val = sc->vptr->pair_car (a);
if (!sc->vptr->is_string (sc->vptr->pair_car (temp_val)))
{
success = FALSE;
break;
}
args[i].data.d_parasite.name =
sc->vptr->string_value (sc->vptr->pair_car (temp_val));
#if DEBUG_MARSHALL
g_printerr (" name '%s'\n", args[i].data.d_parasite.name);
#endif
/* parasite->flags */
temp_val = sc->vptr->pair_cdr (temp_val);
if (!sc->vptr->is_number (sc->vptr->pair_car (temp_val)))
{
success = FALSE;
break;
}
args[i].data.d_parasite.flags =
sc->vptr->ivalue (sc->vptr->pair_car (temp_val));
#if DEBUG_MARSHALL
g_printerr (" flags %d", args[i].data.d_parasite.flags);
#endif
/* parasite->data */
temp_val = sc->vptr->pair_cdr (temp_val);
if (!sc->vptr->is_string (sc->vptr->pair_car (temp_val)))
{
success = FALSE;
break;
}
args[i].data.d_parasite.data =
sc->vptr->string_value (sc->vptr->pair_car (temp_val));
args[i].data.d_parasite.size = strlen (args[i].data.d_parasite.data);
#if DEBUG_MARSHALL
g_printerr (", size %d\n", args[i].data.d_parasite.size);
g_printerr (" data '%s'\n", (char *)args[i].data.d_parasite.data);
#endif
}
break;
case GIMP_PDB_STATUS:
return foreign_error (sc,
"Status is for return types, not arguments",
sc->vptr->pair_car (a));
break;
default:
g_snprintf (error_str, sizeof (error_str),
"Argument %d for %s is an unknown type",
i+1, proc_name);
return foreign_error (sc, error_str, 0);
}
/* Break out of loop before i gets updated when error was detected */
if (! success)
break;
}
if (success)
{
/* refuse to refresh scripts from a script, better than crashing
* see bug #575830
*/
if (strcmp (proc_name, "script-fu-refresh-scripts"))
{
#if DEBUG_MARSHALL
g_printerr (" calling %s...", proc_name);
#endif
values = gimp_run_procedure2 (proc_name, &nvalues, nparams, args);
#if DEBUG_MARSHALL
g_printerr (" done.\n");
#endif
}
}
else
{
#if DEBUG_MARSHALL
g_printerr (" Invalid type for argument %d\n", i+1);
#endif
g_snprintf (error_str, sizeof (error_str),
"Invalid type for argument %d to %s",
i+1, proc_name);
return foreign_error (sc, error_str, 0);
}
/* Check the return status */
if (! values)
{
#if DEBUG_MARSHALL
g_printerr (" Did not return status\n");
#endif
g_snprintf (error_str, sizeof(error_str),
"Procedure execution of %s did not return a status",
proc_name);
return foreign_error (sc, error_str, 0);
}
#if DEBUG_MARSHALL
{
const gchar *status_name;
gimp_enum_get_value (GIMP_TYPE_PDB_STATUS_TYPE,
values[0].data.d_status,
&status_name, NULL, NULL, NULL);
g_printerr (" return value is %s\n", status_name);
}
#endif
switch (values[0].data.d_status)
{
case GIMP_PDB_EXECUTION_ERROR:
if (nvalues > 1 && values[1].type == GIMP_PDB_STRING)
{
g_snprintf (error_str, sizeof (error_str),
"Procedure execution of %s failed: %s",
proc_name, values[1].data.d_string);
}
else
{
g_snprintf (error_str, sizeof (error_str),
"Procedure execution of %s failed",
proc_name);
}
return foreign_error (sc, error_str, 0);
break;
case GIMP_PDB_CALLING_ERROR:
if (nvalues > 1 && values[1].type == GIMP_PDB_STRING)
{
g_snprintf (error_str, sizeof (error_str),
"Procedure execution of %s failed on invalid input arguments: %s",
proc_name, values[1].data.d_string);
}
else
{
g_snprintf (error_str, sizeof (error_str),
"Procedure execution of %s failed on invalid input arguments",
proc_name);
}
return foreign_error (sc, error_str, 0);
break;
case GIMP_PDB_SUCCESS:
#if DEBUG_MARSHALL
g_printerr (" values returned: %d\n", nvalues-1);
#endif
for (i = nvalues - 2; i >= 0; --i)
{
const gchar *string;
gint j;
#if DEBUG_MARSHALL
{
const gchar *type_name;
gimp_enum_get_value (GIMP_TYPE_PDB_ARG_TYPE,
return_vals[i].type,
&type_name, NULL, NULL, NULL);
g_printerr (" value %d is type %s (%d)\n",
i, type_name, return_vals[i].type);
}
#endif
switch (return_vals[i].type)
{
case GIMP_PDB_INT32:
case GIMP_PDB_DISPLAY:
case GIMP_PDB_IMAGE:
case GIMP_PDB_ITEM:
case GIMP_PDB_LAYER:
case GIMP_PDB_CHANNEL:
case GIMP_PDB_DRAWABLE:
case GIMP_PDB_SELECTION:
case GIMP_PDB_VECTORS:
return_val = sc->vptr->cons (sc,
sc->vptr->mk_integer (sc,
values[i + 1].data.d_int32),
return_val);
break;
case GIMP_PDB_INT16:
return_val = sc->vptr->cons (sc,
sc->vptr->mk_integer (sc,
values[i + 1].data.d_int16),
return_val);
break;
case GIMP_PDB_INT8:
return_val = sc->vptr->cons (sc,
sc->vptr->mk_integer (sc,
values[i + 1].data.d_int8),
return_val);
break;
case GIMP_PDB_FLOAT:
return_val = sc->vptr->cons (sc,
sc->vptr->mk_real (sc,
values[i + 1].data.d_float),
return_val);
break;
case GIMP_PDB_STRING:
string = values[i + 1].data.d_string;
if (! string)
string = "";
return_val = sc->vptr->cons (sc,
sc->vptr->mk_string (sc, string),
return_val);
break;
case GIMP_PDB_INT32ARRAY:
{
gint32 num_int32s = values[i].data.d_int32;
gint32 *array = (gint32 *) values[i + 1].data.d_int32array;
pointer vector = sc->vptr->mk_vector (sc, num_int32s);
for (j = 0; j < num_int32s; j++)
{
sc->vptr->set_vector_elem (vector, j,
sc->vptr->mk_integer (sc,
array[j]));
}
return_val = sc->vptr->cons (sc, vector, return_val);
}
break;
case GIMP_PDB_INT16ARRAY:
{
gint32 num_int16s = values[i].data.d_int32;
gint16 *array = (gint16 *) values[i + 1].data.d_int16array;
pointer vector = sc->vptr->mk_vector (sc, num_int16s);
for (j = 0; j < num_int16s; j++)
{
sc->vptr->set_vector_elem (vector, j,
sc->vptr->mk_integer (sc,
array[j]));
}
return_val = sc->vptr->cons (sc, vector, return_val);
}
break;
case GIMP_PDB_INT8ARRAY:
{
gint32 num_int8s = values[i].data.d_int32;
guint8 *array = (guint8 *) values[i + 1].data.d_int8array;
pointer vector = sc->vptr->mk_vector (sc, num_int8s);
for (j = 0; j < num_int8s; j++)
{
sc->vptr->set_vector_elem (vector, j,
sc->vptr->mk_integer (sc,
array[j]));
}
return_val = sc->vptr->cons (sc, vector, return_val);
}
break;
case GIMP_PDB_FLOATARRAY:
{
gint32 num_floats = values[i].data.d_int32;
gdouble *array = (gdouble *) values[i + 1].data.d_floatarray;
pointer vector = sc->vptr->mk_vector (sc, num_floats);
for (j = 0; j < num_floats; j++)
{
sc->vptr->set_vector_elem (vector, j,
sc->vptr->mk_real (sc,
array[j]));
}
return_val = sc->vptr->cons (sc, vector, return_val);
}
break;
case GIMP_PDB_STRINGARRAY:
{
gint num_strings = values[i].data.d_int32;
gchar **array = (gchar **) values[i + 1].data.d_stringarray;
pointer list = sc->NIL;
for (j = num_strings - 1; j >= 0; j--)
{
list = sc->vptr->cons (sc,
sc->vptr->mk_string (sc,
array[j] ?
array[j] : ""),
list);
}
return_val = sc->vptr->cons (sc, list, return_val);
}
break;
case GIMP_PDB_COLOR:
{
guchar r, g, b;
gpointer temp_val;
gimp_rgb_get_uchar (&values[i + 1].data.d_color, &r, &g, &b);
temp_val = sc->vptr->cons (sc,
sc->vptr->mk_integer (sc, r),
sc->vptr->cons (sc,
sc->vptr->mk_integer (sc, g),
sc->vptr->cons (sc,
sc->vptr->mk_integer (sc, b),
sc->NIL)));
return_val = sc->vptr->cons (sc,
temp_val,
return_val);
break;
}
case GIMP_PDB_COLORARRAY:
{
gint32 num_colors = values[i].data.d_int32;
GimpRGB *array = (GimpRGB *) values[i + 1].data.d_colorarray;
pointer vector = sc->vptr->mk_vector (sc, num_colors);
for (j = 0; j < num_colors; j++)
{
guchar r, g, b;
pointer temp_val;
gimp_rgb_get_uchar (&array[j], &r, &g, &b);
temp_val = sc->vptr->cons (sc,
sc->vptr->mk_integer (sc, r),
sc->vptr->cons (sc,
sc->vptr->mk_integer (sc, g),
sc->vptr->cons (sc,
sc->vptr->mk_integer (sc, b),
sc->NIL)));
sc->vptr->set_vector_elem (vector, j, temp_val);
}
return_val = sc->vptr->cons (sc, vector, return_val);
}
break;
case GIMP_PDB_PARASITE:
{
if (values[i + 1].data.d_parasite.name == NULL)
{
return_val = foreign_error (sc, "Error: null parasite", 0);
}
else
{
GimpParasite *p = &values[i + 1].data.d_parasite;
gchar *data = g_strndup (p->data, p->size);
gint char_cnt = g_utf8_strlen (data, p->size);
pointer temp_val;
/* don't move the mk_foo() calls outside this function call,
* otherwise they might be garbage collected away!
*/
temp_val = sc->vptr->cons (sc,
sc->vptr->mk_string (sc, p->name),
sc->vptr->cons (sc,
sc->vptr->mk_integer (sc, p->flags),
sc->vptr->cons (sc,
sc->vptr->mk_counted_string (sc,
data,
char_cnt),
sc->NIL)));
return_val = sc->vptr->cons (sc,
temp_val,
return_val);
g_free (data);
#if DEBUG_MARSHALL
g_printerr (" name '%s'\n", p->name);
g_printerr (" flags %d", p->flags);
g_printerr (", size %d\n", p->size);
g_printerr (" data '%.*s'\n",
p->size, (gchar *) p->data);
#endif
}
}
break;
case GIMP_PDB_STATUS:
return foreign_error (sc, "Procedure execution returned multiple status values", 0);
break;
default:
return foreign_error (sc, "Unknown return type", 0);
}
}
case GIMP_PDB_PASS_THROUGH:
case GIMP_PDB_CANCEL: /* should we do something here? */
break;
}
/* If we have no return value(s) from PDB call, return
* either TRUE or FALSE to indicate if call succeeded.
*/
if (return_val == sc->NIL)
{
if (values[0].data.d_status == GIMP_PDB_SUCCESS)
return_val = sc->vptr->cons (sc, sc->T, sc->NIL);
else
return_val = sc->vptr->cons (sc, sc->F, sc->NIL);
}
/* free the proc name */
g_free (proc_name);
/* free up the executed procedure return values */
gimp_destroy_params (values, nvalues);
/* free up arguments and values */
script_fu_marshal_destroy_args (args, nparams);
/* free the query information */
g_free (proc_blurb);
g_free (proc_help);
g_free (proc_author);
g_free (proc_copyright);
g_free (proc_date);
g_free (params);
g_free (return_vals);
/* if we're in server mode, listen for additional commands for 10 ms */
if (script_fu_server_get_mode ())
script_fu_server_listen (10);
#ifdef GDK_WINDOWING_WIN32
/* This seems to help a lot on Windoze. */
while (gtk_events_pending ())
gtk_main_iteration ();
#endif
return return_val;
}
static pointer
script_fu_marshal_procedure_call_strict (scheme *sc,
pointer a)
{
return script_fu_marshal_procedure_call (sc, a, FALSE);
}
static pointer
script_fu_marshal_procedure_call_permissive (scheme *sc,
pointer a)
{
return script_fu_marshal_procedure_call (sc, a, TRUE);
}
static void
script_fu_marshal_destroy_args (GimpParam *params,
gint n_params)
{
gint i;
for (i = 0; i < n_params; i++)
{
switch (params[i].type)
{
case GIMP_PDB_INT32:
case GIMP_PDB_INT16:
case GIMP_PDB_INT8:
case GIMP_PDB_FLOAT:
case GIMP_PDB_STRING:
break;
case GIMP_PDB_INT32ARRAY:
g_free (params[i].data.d_int32array);
break;
case GIMP_PDB_INT16ARRAY:
g_free (params[i].data.d_int16array);
break;
case GIMP_PDB_INT8ARRAY:
g_free (params[i].data.d_int8array);
break;
case GIMP_PDB_FLOATARRAY:
g_free (params[i].data.d_floatarray);
break;
case GIMP_PDB_STRINGARRAY:
g_free (params[i].data.d_stringarray);
break;
case GIMP_PDB_COLORARRAY:
g_free (params[i].data.d_colorarray);
break;
case GIMP_PDB_COLOR:
case GIMP_PDB_DISPLAY:
case GIMP_PDB_IMAGE:
case GIMP_PDB_ITEM:
case GIMP_PDB_LAYER:
case GIMP_PDB_CHANNEL:
case GIMP_PDB_DRAWABLE:
case GIMP_PDB_SELECTION:
case GIMP_PDB_VECTORS:
case GIMP_PDB_PARASITE:
case GIMP_PDB_STATUS:
case GIMP_PDB_END:
break;
}
}
g_free (params);
}
static pointer
script_fu_register_call (scheme *sc,
pointer a)
{
return script_fu_add_script (sc, a);
}
static pointer
script_fu_menu_register_call (scheme *sc,
pointer a)
{
return script_fu_add_menu (sc, a);
}
static pointer
script_fu_quit_call (scheme *sc,
pointer a)
{
script_fu_server_quit ();
scheme_deinit (sc);
return sc->NIL;
}
static pointer
script_fu_nil_call (scheme *sc,
pointer a)
{
return sc->NIL;
}