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audacity/lib-src/slv2/src/pluginuis.c
2010-01-24 09:19:39 +00:00

94 lines
2.0 KiB
C

/* SLV2
* Copyright (C) 2007 Dave Robillard <http://drobilla.net>
*
* This library 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 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 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.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _XOPEN_SOURCE 500
#include <string.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <librdf.h>
#include <slv2/types.h>
#include <slv2/pluginuis.h>
#include <slv2/pluginui.h>
#include <slv2/util.h>
#include "slv2_internal.h"
SLV2UIs
slv2_uis_new()
{
return raptor_new_sequence((void (*)(void*))&slv2_ui_free, NULL);
//return raptor_new_sequence(NULL, NULL);
}
void
slv2_uis_free(SLV2UIs list)
{
if (list)
raptor_free_sequence(list);
}
unsigned
slv2_uis_size(SLV2UIs list)
{
return (list ? raptor_sequence_size(list) : 0);
}
SLV2UI
slv2_uis_get_by_uri(SLV2UIs list, SLV2Value uri)
{
// good old fashioned binary search
int lower = 0;
int upper = raptor_sequence_size(list) - 1;
int i;
while (upper >= lower) {
i = lower + ((upper - lower) / 2);
SLV2UI ui = raptor_sequence_get_at(list, i);
const int cmp = strcmp(slv2_value_as_uri(slv2_ui_get_uri(ui)),
slv2_value_as_uri(uri));
if (cmp == 0)
return ui;
else if (cmp > 0)
upper = i - 1;
else
lower = i + 1;
}
return NULL;
}
SLV2UI
slv2_uis_get_at(SLV2UIs list, unsigned index)
{
if (index > INT_MAX)
return NULL;
else
return (SLV2UI)raptor_sequence_get_at(list, (int)index);
}