From ea7fc4dc07d37096550cf25a5f9032ac207415ee Mon Sep 17 00:00:00 2001 From: David Robillard Date: Thu, 12 Feb 2009 05:34:22 +0000 Subject: Add missing file (oops). git-svn-id: http://svn.drobilla.net/lad/trunk/slv2@1928 a436a847-0d15-0410-975c-d299462d15a1 --- src/collections.c | 155 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 src/collections.c (limited to 'src') diff --git a/src/collections.c b/src/collections.c new file mode 100644 index 0000000..4598eab --- /dev/null +++ b/src/collections.c @@ -0,0 +1,155 @@ +/* SLV2 + * Copyright (C) 2008 Dave Robillard + * + * 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 +#include +#include +#include "slv2/collections.h" +#include "slv2/pluginclass.h" +#include "slv2/pluginui.h" +#include "slv2_internal.h" + +#define SLV2_COLLECTION_IMPL(CollType, ElemType, prefix, free_func) \ +\ +CollType \ +prefix ## _new() \ +{ \ + return raptor_new_sequence((void (*)(void*))free_func, NULL); \ +} \ +\ +\ +void \ +prefix ## _free(CollType coll) \ +{ \ + if (coll) \ + raptor_free_sequence(coll); \ +} \ +\ +\ +unsigned \ +prefix ## _size(CollType coll) \ +{ \ + return (coll ? raptor_sequence_size(coll) : 0); \ +} \ +\ +\ +ElemType \ +prefix ## _get_at(CollType coll, unsigned index) \ +{ \ + if (index > INT_MAX) \ + return NULL; \ + else \ + return (ElemType)raptor_sequence_get_at(coll, (int)index); \ +} + +SLV2_COLLECTION_IMPL(SLV2PluginClasses, SLV2PluginClass, + slv2_plugin_classes, &slv2_plugin_class_free) +SLV2_COLLECTION_IMPL(SLV2ScalePoints, SLV2ScalePoint, + slv2_scale_points, &slv2_scale_point_free) +SLV2_COLLECTION_IMPL(SLV2Values, SLV2Value, + slv2_values, &slv2_value_free) +SLV2_COLLECTION_IMPL(SLV2UIs, SLV2UI, + slv2_uis, &slv2_ui_free) + + +/* **** PLUGIN CLASSES **** */ + +SLV2PluginClass +slv2_plugin_classes_get_by_uri(SLV2PluginClasses 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); + + SLV2PluginClass p = raptor_sequence_get_at(list, i); + + const int cmp = strcmp(slv2_value_as_uri(slv2_plugin_class_get_uri(p)), + slv2_value_as_uri(uri)); + + if (cmp == 0) + return p; + else if (cmp > 0) + upper = i - 1; + else + lower = i + 1; + } + + return NULL; +} + + + +/* **** VALUES **** */ + +bool +slv2_values_contains(SLV2Values list, SLV2Value value) +{ + for (unsigned i=0; i < slv2_values_size(list); ++i) + if (slv2_value_equals(slv2_values_get_at(list, i), value)) + return true; + + return false; +} + + +void +slv2_values_set_at(SLV2Values list, unsigned index, void* value) +{ + if (index <= INT_MAX) + raptor_sequence_set_at(list, index, value); +} + + + +/* **** PLUGIN UIS **** */ + +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; +} + -- cgit v1.2.1