89 lines
4.5 KiB
C
89 lines
4.5 KiB
C
#ifndef AL_VECTOR_H
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#define AL_VECTOR_H
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#include <stdlib.h>
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#include <AL/al.h>
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/* "Base" vector type, designed to alias with the actual vector types. */
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typedef struct vector__s {
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ALsizei Capacity;
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ALsizei Size;
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} *vector_;
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#define TYPEDEF_VECTOR(T, N) typedef struct { \
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ALsizei Capacity; \
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ALsizei Size; \
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T Data[]; \
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} _##N; \
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typedef _##N* N; \
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typedef const _##N* const_##N;
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#define VECTOR(T) struct { \
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ALsizei Capacity; \
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ALsizei Size; \
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T Data[]; \
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}*
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#define VECTOR_INIT(_x) do { (_x) = NULL; } while(0)
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#define VECTOR_INIT_STATIC() NULL
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#define VECTOR_DEINIT(_x) do { free((_x)); (_x) = NULL; } while(0)
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/* Helper to increase a vector's reserve. Do not call directly. */
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ALboolean vector_reserve(void *ptr, size_t base_size, size_t obj_count, size_t obj_size, ALboolean exact);
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#define VECTOR_RESERVE(_x, _c) (vector_reserve(&(_x), sizeof(*(_x)), (_c), sizeof((_x)->Data[0]), AL_TRUE))
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/* Helper to change a vector's size. Do not call directly. */
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ALboolean vector_resize(void *ptr, size_t base_size, size_t obj_count, size_t obj_size);
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#define VECTOR_RESIZE(_x, _c) (vector_resize(&(_x), sizeof(*(_x)), (_c), sizeof((_x)->Data[0])))
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#define VECTOR_CAPACITY(_x) ((_x) ? (_x)->Capacity : 0)
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#define VECTOR_SIZE(_x) ((_x) ? (_x)->Size : 0)
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#define VECTOR_ITER_BEGIN(_x) ((_x)->Data + 0)
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#define VECTOR_ITER_END(_x) ((_x)->Data + VECTOR_SIZE(_x))
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ALboolean vector_insert(void *ptr, size_t base_size, size_t obj_size, void *ins_pos, const void *datstart, const void *datend);
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#ifdef __GNUC__
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#define TYPE_CHECK(T1, T2) __builtin_types_compatible_p(T1, T2)
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#define VECTOR_INSERT(_x, _i, _s, _e) __extension__({ \
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ALboolean _r; \
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static_assert(TYPE_CHECK(__typeof((_x)->Data[0]), __typeof(*(_i))), "Incompatible insertion iterator"); \
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static_assert(TYPE_CHECK(__typeof((_x)->Data[0]), __typeof(*(_s))), "Incompatible insertion source type"); \
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static_assert(TYPE_CHECK(__typeof(*(_s)), __typeof(*(_e))), "Incompatible iterator sources"); \
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_r = vector_insert(&(_x), sizeof(*(_x)), sizeof((_x)->Data[0]), (_i), (_s), (_e)); \
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_r; \
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})
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#else
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#define VECTOR_INSERT(_x, _i, _s, _e) (vector_insert(&(_x), sizeof(*(_x)), sizeof((_x)->Data[0]), (_i), (_s), (_e)))
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#endif
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#define VECTOR_PUSH_BACK(_x, _obj) (vector_reserve(&(_x), sizeof(*(_x)), VECTOR_SIZE(_x)+1, sizeof((_x)->Data[0]), AL_FALSE) && \
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(((_x)->Data[(_x)->Size++] = (_obj)),AL_TRUE))
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#define VECTOR_POP_BACK(_x) ((void)((_x)->Size--))
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#define VECTOR_BACK(_x) ((_x)->Data[(_x)->Size-1])
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#define VECTOR_FRONT(_x) ((_x)->Data[0])
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#define VECTOR_ELEM(_x, _o) ((_x)->Data[(_o)])
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#define VECTOR_FOR_EACH(_t, _x, _f) do { \
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_t *_iter = VECTOR_ITER_BEGIN((_x)); \
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_t *_end = VECTOR_ITER_END((_x)); \
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for(;_iter != _end;++_iter) \
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_f(_iter); \
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} while(0)
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#define VECTOR_FIND_IF(_i, _t, _x, _f) do { \
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_t *_iter = VECTOR_ITER_BEGIN((_x)); \
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_t *_end = VECTOR_ITER_END((_x)); \
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for(;_iter != _end;++_iter) \
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{ \
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if(_f(_iter)) \
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break; \
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} \
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(_i) = _iter; \
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} while(0)
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#endif /* AL_VECTOR_H */
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