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6eaa308869
Add find_field utility function for finding a field info by name. Beyond convenience, this should be faster than manually using the get_n_fields and get_field functions because get_field does an additional iteration for each field to calculate offsets O(n^2). Thus find_field combines the offset and comparison computations into a single loop O(n). Based on a patch by Simon Feltman.
82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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* GObject introspection: Struct
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*
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* Copyright (C) 2005 Matthias Clasen
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* Copyright (C) 2008,2009 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the 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,
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* but 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 Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GISTRUCTINFO_H__
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#define __GISTRUCTINFO_H__
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#if !defined (__GIREPOSITORY_H_INSIDE__) && !defined (GI_COMPILATION)
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#error "Only <girepository.h> can be included directly."
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#endif
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#include <gitypes.h>
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G_BEGIN_DECLS
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/**
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* GI_IS_STRUCT_INFO
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* @info: an info structure
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*
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* Checks if @info is a #GIStructInfo.
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*/
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#define GI_IS_STRUCT_INFO(info) \
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(g_base_info_get_type((GIBaseInfo*)info) == GI_INFO_TYPE_STRUCT)
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GI_AVAILABLE_IN_ALL
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gint g_struct_info_get_n_fields (GIStructInfo *info);
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GI_AVAILABLE_IN_ALL
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GIFieldInfo * g_struct_info_get_field (GIStructInfo *info,
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gint n);
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GI_AVAILABLE_IN_ALL
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GIFieldInfo * g_struct_info_find_field (GIStructInfo *info,
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const gchar *name);
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GI_AVAILABLE_IN_ALL
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gint g_struct_info_get_n_methods (GIStructInfo *info);
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GI_AVAILABLE_IN_ALL
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GIFunctionInfo * g_struct_info_get_method (GIStructInfo *info,
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gint n);
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GI_AVAILABLE_IN_ALL
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GIFunctionInfo * g_struct_info_find_method (GIStructInfo *info,
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const gchar *name);
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GI_AVAILABLE_IN_ALL
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gsize g_struct_info_get_size (GIStructInfo *info);
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GI_AVAILABLE_IN_ALL
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gsize g_struct_info_get_alignment (GIStructInfo *info);
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GI_AVAILABLE_IN_ALL
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gboolean g_struct_info_is_gtype_struct (GIStructInfo *info);
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GI_AVAILABLE_IN_ALL
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gboolean g_struct_info_is_foreign (GIStructInfo *info);
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G_END_DECLS
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#endif /* __GISTRUCTINFO_H__ */
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