mirror of
https://github.com/cookiengineer/audacity
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109 lines
2.4 KiB
C
109 lines
2.4 KiB
C
/* SLV2
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* Copyright (C) 2007 Dave Robillard <http://drobilla.net>
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#define _XOPEN_SOURCE 500
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#include <string.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <librdf.h>
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#include <slv2/types.h>
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#include <slv2/plugin.h>
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#include <slv2/plugins.h>
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#include <slv2/values.h>
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#include <slv2/util.h>
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#include "slv2_internal.h"
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SLV2Plugins
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slv2_plugins_new()
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{
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//return raptor_new_sequence((void (*)(void*))&slv2_plugin_free, NULL);
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return raptor_new_sequence(NULL, NULL);
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}
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void
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slv2_plugins_free(SLV2World world, SLV2Plugins list)
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{
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if (list && list != world->plugins)
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raptor_free_sequence(list);
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}
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#if 0
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void
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slv2_plugins_filter(SLV2Plugins dest, SLV2Plugins source, bool (*include)(SLV2Plugin))
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{
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assert(dest);
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for (int i=0; i < raptor_sequence_size(source); ++i) {
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SLV2Plugin p = raptor_sequence_get_at(source, i);
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if (include(p))
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raptor_sequence_push(dest, slv2_plugin_duplicate(p));
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}
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}
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#endif
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unsigned
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slv2_plugins_size(SLV2Plugins list)
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{
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return (list ? raptor_sequence_size(list) : 0);
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}
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SLV2Plugin
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slv2_plugins_get_by_uri(SLV2Plugins list, SLV2Value uri)
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{
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// good old fashioned binary search
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int lower = 0;
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int upper = raptor_sequence_size(list) - 1;
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int i;
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while (upper >= lower) {
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i = lower + ((upper - lower) / 2);
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SLV2Plugin p = raptor_sequence_get_at(list, i);
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const int cmp = strcmp(slv2_value_as_uri(slv2_plugin_get_uri(p)),
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slv2_value_as_uri(uri));
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if (cmp == 0)
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return p;
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else if (cmp > 0)
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upper = i - 1;
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else
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lower = i + 1;
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}
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return NULL;
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}
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SLV2Plugin
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slv2_plugins_get_at(SLV2Plugins list, unsigned index)
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{
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if (index > INT_MAX)
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return NULL;
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else
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return (SLV2Plugin)raptor_sequence_get_at(list, (int)index);
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}
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