gimp/libgimp/gimpproceduraldb.c

174 lines
5.5 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-2000 Peter Mattis and Spencer Kimball
*
* gimpproceduraldb.c
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h> /* memcmp */
#include "gimp.h"
/**
* gimp_procedural_db_proc_info:
* @procedure: The procedure name.
* @blurb: A short blurb.
* @help: Detailed procedure help.
* @author: Author(s) of the procedure.
* @copyright: The copyright.
* @date: Copyright date.
* @proc_type: The procedure type.
* @num_args: The number of input arguments.
* @num_values: The number of return values.
* @args: The input arguments.
* @return_vals: The return values.
*
* Queries the procedural database for information on the specified
* procedure.
*
* This procedure returns information on the specified procedure. A
* short blurb, detailed help, author(s), copyright information,
* procedure type, number of input, and number of return values are
* returned. Additionally this function returns specific information
* about each input argument and return value.
*
* Returns: TRUE on success.
*/
gboolean
gimp_procedural_db_proc_info (const gchar *procedure,
gchar **blurb,
gchar **help,
gchar **author,
gchar **copyright,
gchar **date,
GimpPDBProcType *proc_type,
gint *num_args,
gint *num_values,
GimpParamDef **args,
GimpParamDef **return_vals)
{
gint i;
gboolean success = TRUE;
success = _gimp_procedural_db_proc_info (procedure,
blurb,
help,
author,
copyright,
date,
proc_type,
num_args,
num_values);
if (success)
{
*args = g_new (GimpParamDef, *num_args);
*return_vals = g_new (GimpParamDef, *num_values);
for (i = 0; i < *num_args; i++)
{
if (! gimp_procedural_db_proc_arg (procedure,
i,
&(*args)[i].type,
&(*args)[i].name,
&(*args)[i].description))
{
g_free (*args);
g_free (*return_vals);
return FALSE;
}
}
for (i = 0; i < *num_values; i++)
{
if (! gimp_procedural_db_proc_val (procedure,
i,
&(*return_vals)[i].type,
&(*return_vals)[i].name,
&(*return_vals)[i].description))
{
g_free (*args);
g_free (*return_vals);
return FALSE;
}
}
}
return success;
}
/**
* gimp_procedural_db_get_data:
* @identifier: The identifier associated with data.
* @data: A byte array containing data.
*
* Returns data associated with the specified identifier.
*
* This procedure returns any data which may have been associated with
* the specified identifier. The data is copied into the given memory
* location.
*
* Returns: TRUE on success, FALSE if no data has been associated with
* the identifier
*/
gboolean
gimp_procedural_db_get_data (const gchar *identifier,
gpointer data)
{
gint size;
guint8 *hack;
gboolean success;
success = _gimp_procedural_db_get_data (identifier,
&size,
&hack);
if (hack)
{
memcpy (data, (gconstpointer) hack, size * sizeof (guint8));
g_free (hack);
}
return success;
}
/**
* gimp_procedural_db_set_data:
* @identifier: The identifier associated with data.
* @data: A byte array containing data.
* @bytes: The number of bytes in the data
*
* Associates the specified identifier with the supplied data.
*
* This procedure associates the supplied data with the provided
* identifier. The data may be subsequently retrieved by a call to
* 'procedural-db-get-data'.
*
* Returns: TRUE on success.
*/
gboolean
gimp_procedural_db_set_data (const gchar *identifier,
gconstpointer data,
guint32 bytes)
{
return _gimp_procedural_db_set_data (identifier,
bytes,
data);
}