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72f217e25a
We already need to walk the string to determine the length of it, so just hash the string at the same time.
100 lines
2.3 KiB
C
100 lines
2.3 KiB
C
/* gvarianttype-private.h
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*
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* Copyright © 2007, 2008 Ryan Lortie
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* Copyright © 2009, 2010 Codethink Limited
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* Copyright © 2024 Christian Hergert
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of the
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* License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License 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, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#pragma once
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#include "gvarianttype.h"
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G_BEGIN_DECLS
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static inline gboolean
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_g_variant_type_equal (const GVariantType *type1,
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const GVariantType *type2)
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{
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const char *str1 = (const char *)type1;
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const char *str2 = (const char *)type2;
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gsize index = 0;
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int brackets = 0;
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if (str1 == str2)
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return TRUE;
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do
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{
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if (str1[index] != str2[index])
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return FALSE;
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while (str1[index] == 'a' || str1[index] == 'm')
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{
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index++;
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if (str1[index] != str2[index])
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return FALSE;
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}
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if (str1[index] == '(' || str1[index] == '{')
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brackets++;
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else if (str1[index] == ')' || str1[index] == '}')
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brackets--;
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index++;
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}
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while (brackets);
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return TRUE;
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}
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static inline guint
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_g_variant_type_hash (gconstpointer type)
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{
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const gchar *type_string = type;
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guint value = 0;
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gsize index = 0;
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int brackets = 0;
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do
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{
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value = (value << 5) - value + type_string[index];
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while (type_string[index] == 'a' || type_string[index] == 'm')
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{
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index++;
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value = (value << 5) - value + type_string[index];
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}
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if (type_string[index] == '(' || type_string[index] == '{')
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brackets++;
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else if (type_string[index] == ')' || type_string[index] == '}')
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brackets--;
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index++;
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}
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while (brackets);
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return value;
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}
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G_END_DECLS
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