Jacques Lucke
91694b9b58
This replaces header include guards with `#pragma once`. A couple of include guards are not removed yet (e.g. `__RNA_TYPES_H__`), because they are used in other places. This patch has been generated by P1561 followed by `make format`. Differential Revision: https://developer.blender.org/D8466
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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
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* GNU 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
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#pragma once
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/** \file
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* \ingroup fn
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*
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* An #MFContext is passed along with every call to a multi-function. Right now it does nothing,
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* but it can be used for the following purposes:
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* - Pass debug information up and down the function call stack.
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* - Pass reusable memory buffers to sub-functions to increase performance.
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* - Pass cached data to called functions.
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*/
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#include "BLI_utildefines.h"
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#include "BLI_map.hh"
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namespace blender::fn {
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class MFContext;
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class MFContextBuilder {
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private:
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Map<std::string, const void *> global_contexts_;
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friend MFContext;
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public:
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template<typename T> void add_global_context(std::string name, const T *context)
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{
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global_contexts_.add_new(std::move(name), (const void *)context);
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}
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};
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class MFContext {
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private:
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MFContextBuilder &builder_;
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public:
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MFContext(MFContextBuilder &builder) : builder_(builder)
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{
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}
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template<typename T> const T *get_global_context(StringRef name) const
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{
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const void *context = builder_.global_contexts_.lookup_default_as(name, nullptr);
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/* TODO: Implement type checking. */
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return (const T *)context;
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}
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};
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} // namespace blender::fn
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