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62 lines
4.8 KiB
C++
62 lines
4.8 KiB
C++
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// Copyright 2022, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Expose std::deque to C
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* @author Mateo de Mayo <mateo.demayo@collabora.com>
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* @ingroup aux_util
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*/
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#include "u_deque.h"
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#include "util/u_time.h"
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#include <deque>
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using std::deque;
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#define U_DEQUE_IMPLEMENTATION(TYPE) \
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u_deque_##TYPE u_deque_##TYPE##_create() \
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{ \
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u_deque_##TYPE ud{new deque<TYPE>}; \
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return ud; \
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} \
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\
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void u_deque_##TYPE##_push_back(u_deque_##TYPE ud, TYPE e) \
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{ \
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deque<TYPE> *d = static_cast<deque<TYPE> *>(ud.ptr); \
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d->push_back(e); \
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} \
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\
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bool u_deque_##TYPE##_pop_front(u_deque_##TYPE ud, TYPE *e) \
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{ \
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deque<TYPE> *d = static_cast<deque<TYPE> *>(ud.ptr); \
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bool pop = !d->empty(); \
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if (pop) { \
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*e = d->front(); \
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d->erase(d->begin()); \
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} \
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return pop; \
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} \
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\
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TYPE u_deque_##TYPE##_at(u_deque_##TYPE ud, size_t i) \
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{ \
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deque<TYPE> *d = static_cast<deque<TYPE> *>(ud.ptr); \
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return d->at(i); \
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} \
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\
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size_t u_deque_##TYPE##_size(u_deque_##TYPE ud) \
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{ \
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deque<TYPE> *d = static_cast<deque<TYPE> *>(ud.ptr); \
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return d->size(); \
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} \
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\
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void u_deque_##TYPE##_destroy(u_deque_##TYPE *ud) \
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{ \
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deque<TYPE> *d = static_cast<deque<TYPE> *>(ud->ptr); \
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delete d; \
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ud->ptr = nullptr; \
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}
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extern "C" {
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U_DEQUE_IMPLEMENTATION(timepoint_ns)
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}
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