gimp/app/pdb/gimppdb-query.c

608 lines
16 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-2003 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 <glib/gstdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib-object.h>
#include "libgimpbase/gimpbase.h"
#include "pdb-types.h"
#include "core/gimpparamspecs-desc.h"
#include "gimppdb.h"
#include "gimppdb-query.h"
#include "gimppdberror.h"
#include "gimp-pdb-compat.h"
#include "gimpprocedure.h"
#include "gimp-intl.h"
#define PDB_REGEX_FLAGS (G_REGEX_CASELESS | G_REGEX_OPTIMIZE)
#define COMPAT_BLURB "This procedure is deprecated! Use '%s' instead."
typedef struct _PDBDump PDBDump;
struct _PDBDump
{
GimpPDB *pdb;
FILE *file;
gboolean dumping_compat;
};
typedef struct _PDBQuery PDBQuery;
struct _PDBQuery
{
GimpPDB *pdb;
GRegex *name_regex;
GRegex *blurb_regex;
GRegex *help_regex;
GRegex *author_regex;
GRegex *copyright_regex;
GRegex *date_regex;
GRegex *proc_type_regex;
gchar **list_of_procs;
gint num_procs;
gboolean querying_compat;
};
typedef struct _PDBStrings PDBStrings;
struct _PDBStrings
{
gboolean compat;
gchar *blurb;
gchar *help;
gchar *author;
gchar *copyright;
gchar *date;
};
/* local function prototypes */
static void gimp_pdb_query_entry (gpointer key,
gpointer value,
gpointer user_data);
static void gimp_pdb_print_entry (gpointer key,
gpointer value,
gpointer user_data);
static void gimp_pdb_get_strings (PDBStrings *strings,
GimpProcedure *procedure,
gboolean compat);
static void gimp_pdb_free_strings (PDBStrings *strings);
/* public functions */
gboolean
gimp_pdb_dump (GimpPDB *pdb,
const gchar *filename)
{
PDBDump pdb_dump;
g_return_val_if_fail (GIMP_IS_PDB (pdb), FALSE);
g_return_val_if_fail (filename != NULL, FALSE);
pdb_dump.pdb = pdb;
pdb_dump.file = g_fopen (filename, "w");
if (! pdb_dump.file)
return FALSE;
pdb_dump.dumping_compat = FALSE;
g_hash_table_foreach (pdb->procedures,
gimp_pdb_print_entry,
&pdb_dump);
pdb_dump.dumping_compat = TRUE;
g_hash_table_foreach (pdb->compat_proc_names,
gimp_pdb_print_entry,
&pdb_dump);
fclose (pdb_dump.file);
return TRUE;
}
gboolean
gimp_pdb_query (GimpPDB *pdb,
const gchar *name,
const gchar *blurb,
const gchar *help,
const gchar *author,
const gchar *copyright,
const gchar *date,
const gchar *proc_type,
gint *num_procs,
gchar ***procs,
GError **error)
{
PDBQuery pdb_query = { 0, };
gboolean success = FALSE;
g_return_val_if_fail (GIMP_IS_PDB (pdb), FALSE);
g_return_val_if_fail (name != NULL, FALSE);
g_return_val_if_fail (blurb != NULL, FALSE);
g_return_val_if_fail (help != NULL, FALSE);
g_return_val_if_fail (author != NULL, FALSE);
g_return_val_if_fail (copyright != NULL, FALSE);
g_return_val_if_fail (date != NULL, FALSE);
g_return_val_if_fail (proc_type != NULL, FALSE);
g_return_val_if_fail (num_procs != NULL, FALSE);
g_return_val_if_fail (procs != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
*num_procs = 0;
*procs = NULL;
pdb_query.name_regex = g_regex_new (name, PDB_REGEX_FLAGS, 0, error);
if (! pdb_query.name_regex)
goto cleanup;
pdb_query.blurb_regex = g_regex_new (blurb, PDB_REGEX_FLAGS, 0, error);
if (! pdb_query.blurb_regex)
goto cleanup;
pdb_query.help_regex = g_regex_new (help, PDB_REGEX_FLAGS, 0, error);
if (! pdb_query.help_regex)
goto cleanup;
pdb_query.author_regex = g_regex_new (author, PDB_REGEX_FLAGS, 0, error);
if (! pdb_query.author_regex)
goto cleanup;
pdb_query.copyright_regex = g_regex_new (copyright, PDB_REGEX_FLAGS, 0, error);
if (! pdb_query.copyright_regex)
goto cleanup;
pdb_query.date_regex = g_regex_new (date, PDB_REGEX_FLAGS, 0, error);
if (! pdb_query.date_regex)
goto cleanup;
pdb_query.proc_type_regex = g_regex_new (proc_type, PDB_REGEX_FLAGS, 0, error);
if (! pdb_query.proc_type_regex)
goto cleanup;
success = TRUE;
pdb_query.pdb = pdb;
pdb_query.list_of_procs = NULL;
pdb_query.num_procs = 0;
pdb_query.querying_compat = FALSE;
g_hash_table_foreach (pdb->procedures,
gimp_pdb_query_entry, &pdb_query);
pdb_query.querying_compat = TRUE;
g_hash_table_foreach (pdb->compat_proc_names,
gimp_pdb_query_entry, &pdb_query);
cleanup:
if (pdb_query.proc_type_regex)
g_regex_unref (pdb_query.proc_type_regex);
if (pdb_query.date_regex)
g_regex_unref (pdb_query.date_regex);
if (pdb_query.copyright_regex)
g_regex_unref (pdb_query.copyright_regex);
if (pdb_query.author_regex)
g_regex_unref (pdb_query.author_regex);
if (pdb_query.help_regex)
g_regex_unref (pdb_query.help_regex);
if (pdb_query.blurb_regex)
g_regex_unref (pdb_query.blurb_regex);
if (pdb_query.name_regex)
g_regex_unref (pdb_query.name_regex);
if (success)
{
*num_procs = pdb_query.num_procs;
*procs = pdb_query.list_of_procs;
}
return success;
}
gboolean
gimp_pdb_proc_info (GimpPDB *pdb,
const gchar *proc_name,
gchar **blurb,
gchar **help,
gchar **author,
gchar **copyright,
gchar **date,
GimpPDBProcType *proc_type,
gint *num_args,
gint *num_values,
GError **error)
{
GimpProcedure *procedure;
PDBStrings strings;
g_return_val_if_fail (GIMP_IS_PDB (pdb), FALSE);
g_return_val_if_fail (proc_name != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
procedure = gimp_pdb_lookup_procedure (pdb, proc_name);
if (procedure)
{
gimp_pdb_get_strings (&strings, procedure, FALSE);
}
else
{
const gchar *compat_name;
compat_name = gimp_pdb_lookup_compat_proc_name (pdb, proc_name);
if (compat_name)
{
procedure = gimp_pdb_lookup_procedure (pdb, compat_name);
if (procedure)
gimp_pdb_get_strings (&strings, procedure, TRUE);
}
}
if (procedure)
{
*blurb = strings.compat ? strings.blurb : g_strdup (strings.blurb);
*help = strings.compat ? strings.help : g_strdup (strings.help);
*author = strings.compat ? strings.author : g_strdup (strings.author);
*copyright = strings.compat ? strings.copyright : g_strdup (strings.copyright);
*date = strings.compat ? strings.date : g_strdup (strings.date);
*proc_type = procedure->proc_type;
*num_args = procedure->num_args;
*num_values = procedure->num_values;
return TRUE;
}
g_set_error (error, GIMP_PDB_ERROR, GIMP_PDB_PROCEDURE_NOT_FOUND,
_("Procedure '%s' not found"), proc_name);
return FALSE;
}
/* private functions */
static gboolean
match_string (GRegex *regex,
const gchar *string)
{
if (! string)
string = "";
return g_regex_match (regex, string, 0, NULL);
}
static void
gimp_pdb_query_entry (gpointer key,
gpointer value,
gpointer user_data)
{
PDBQuery *pdb_query = user_data;
GList *list;
GimpProcedure *procedure;
const gchar *proc_name;
PDBStrings strings;
GEnumClass *enum_class;
GimpEnumDesc *type_desc;
proc_name = key;
if (pdb_query->querying_compat)
list = g_hash_table_lookup (pdb_query->pdb->procedures, value);
else
list = value;
if (! list)
return;
procedure = list->data;
gimp_pdb_get_strings (&strings, procedure, pdb_query->querying_compat);
enum_class = g_type_class_ref (GIMP_TYPE_PDB_PROC_TYPE);
type_desc = gimp_enum_get_desc (enum_class, procedure->proc_type);
g_type_class_unref (enum_class);
if (match_string (pdb_query->name_regex, proc_name) &&
match_string (pdb_query->blurb_regex, strings.blurb) &&
match_string (pdb_query->help_regex, strings.help) &&
match_string (pdb_query->author_regex, strings.author) &&
match_string (pdb_query->copyright_regex, strings.copyright) &&
match_string (pdb_query->date_regex, strings.date) &&
match_string (pdb_query->proc_type_regex, type_desc->value_desc))
{
pdb_query->num_procs++;
pdb_query->list_of_procs = g_renew (gchar *, pdb_query->list_of_procs,
pdb_query->num_procs);
pdb_query->list_of_procs[pdb_query->num_procs - 1] = g_strdup (proc_name);
}
gimp_pdb_free_strings (&strings);
}
/* #define DEBUG_OUTPUT 1 */
static gboolean
output_string (FILE *file,
const gchar *string)
{
#ifndef DEBUG_OUTPUT
if (fprintf (file, "\"") < 0)
return FALSE;
#endif
if (string)
while (*string)
{
switch (*string)
{
case '\\' : if (fprintf (file, "\\\\") < 0) return FALSE; break;
case '\"' : if (fprintf (file, "\\\"") < 0) return FALSE; break;
case '{' : if (fprintf (file, "@{") < 0) return FALSE; break;
case '@' : if (fprintf (file, "@@") < 0) return FALSE; break;
case '}' : if (fprintf (file, "@}") < 0) return FALSE; break;
default:
if (fprintf (file, "%c", *string) < 0)
return FALSE;
}
string++;
}
#ifndef DEBUG_OUTPUT
if (fprintf (file, "\"\n") < 0)
return FALSE;
#endif
return TRUE;
}
static void
gimp_pdb_print_entry (gpointer key,
gpointer value,
gpointer user_data)
{
PDBDump *pdb_dump = user_data;
FILE *file = pdb_dump->file;
const gchar *proc_name;
GList *list;
GEnumClass *arg_class;
GEnumClass *proc_class;
GString *buf;
gint num = 0;
proc_name = key;
if (pdb_dump->dumping_compat)
list = g_hash_table_lookup (pdb_dump->pdb->procedures, value);
else
list = value;
arg_class = g_type_class_ref (GIMP_TYPE_PDB_ARG_TYPE);
proc_class = g_type_class_ref (GIMP_TYPE_PDB_PROC_TYPE);
buf = g_string_new ("");
for (; list; list = list->next)
{
GimpProcedure *procedure = list->data;
PDBStrings strings;
GEnumValue *arg_value;
GimpEnumDesc *type_desc;
gint i;
num++;
gimp_pdb_get_strings (&strings, procedure, pdb_dump->dumping_compat);
#ifdef DEBUG_OUTPUT
fprintf (file, "(");
#else
fprintf (file, "(register-procedure ");
#endif
if (num != 1)
{
g_string_printf (buf, "%s <%d>", proc_name, num);
output_string (file, buf->str);
}
else
{
output_string (file, proc_name);
}
type_desc = gimp_enum_get_desc (proc_class, procedure->proc_type);
#ifdef DEBUG_OUTPUT
fprintf (file, " (");
for (i = 0; i < procedure->num_args; i++)
{
GParamSpec *pspec = procedure->args[i];
GimpPDBArgType arg_type;
arg_type = gimp_pdb_compat_arg_type_from_gtype (pspec->value_type);
arg_value = g_enum_get_value (arg_class, arg_type);
if (i > 0)
fprintf (file, " ");
output_string (file, arg_value->value_name);
}
fprintf (file, ") (");
for (i = 0; i < procedure->num_values; i++)
{
GParamSpec *pspec = procedure->values[i];
GimpPDBArgType arg_type;
arg_type = gimp_pdb_compat_arg_type_from_gtype (pspec->value_type);
arg_value = g_enum_get_value (arg_class, arg_type);
if (i > 0)
fprintf (file, " ");
output_string (file, arg_value->value_name);
}
fprintf (file, "))\n");
#else /* ! DEBUG_OUTPUT */
fprintf (file, " ");
output_string (file, strings.blurb);
fprintf (file, " ");
output_string (file, strings.help);
fprintf (file, " ");
output_string (file, strings.author);
fprintf (file, " ");
output_string (file, strings.copyright);
fprintf (file, " ");
output_string (file, strings.date);
fprintf (file, " ");
output_string (file, type_desc->value_desc);
fprintf (file, " (");
for (i = 0; i < procedure->num_args; i++)
{
GParamSpec *pspec = procedure->args[i];
GimpPDBArgType arg_type;
gchar *desc = gimp_param_spec_get_desc (pspec);
fprintf (file, "\n (\n");
arg_type = gimp_pdb_compat_arg_type_from_gtype (pspec->value_type);
arg_value = g_enum_get_value (arg_class, arg_type);
fprintf (file, " ");
output_string (file, g_param_spec_get_name (pspec));
fprintf (file, " ");
output_string (file, arg_value->value_name);
fprintf (file, " ");
output_string (file, desc);
g_free (desc);
fprintf (file, " )");
}
fprintf (file, "\n )\n");
fprintf (file, " (");
for (i = 0; i < procedure->num_values; i++)
{
GParamSpec *pspec = procedure->values[i];
GimpPDBArgType arg_type;
gchar *desc = gimp_param_spec_get_desc (pspec);
fprintf (file, "\n (\n");
arg_type = gimp_pdb_compat_arg_type_from_gtype (pspec->value_type);
arg_value = g_enum_get_value (arg_class, arg_type);
fprintf (file, " ");
output_string (file, g_param_spec_get_name (pspec));
fprintf (file, " ");
output_string (file, arg_value->value_name);
fprintf (file, " ");
output_string (file, desc);
g_free (desc);
fprintf (file, " )");
}
fprintf (file, "\n )");
fprintf (file, "\n)\n");
#endif /* DEBUG_OUTPUT */
gimp_pdb_free_strings (&strings);
}
g_string_free (buf, TRUE);
g_type_class_unref (arg_class);
g_type_class_unref (proc_class);
}
static void
gimp_pdb_get_strings (PDBStrings *strings,
GimpProcedure *procedure,
gboolean compat)
{
strings->compat = compat;
if (compat)
{
strings->blurb = g_strdup_printf (COMPAT_BLURB,
GIMP_OBJECT (procedure)->name);
strings->help = g_strdup (strings->blurb);
strings->author = NULL;
strings->copyright = NULL;
strings->date = NULL;
}
else
{
strings->blurb = procedure->blurb;
strings->help = procedure->help;
strings->author = procedure->author;
strings->copyright = procedure->copyright;
strings->date = procedure->date;
}
}
static void
gimp_pdb_free_strings (PDBStrings *strings)
{
if (strings->compat)
{
g_free (strings->blurb);
g_free (strings->help);
}
}