afw_array_template.h

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// See the 'COPYING' file in the project root for licensing information.
/*
 * Adaptive Framework Array Template Header
 *
 * Copyright (c) 2010-2023 Clemson University
 *
 */
 
#ifndef __AFW_ARRAY_TEMPLATE_H__
#define __AFW_ARRAY_TEMPLATE_H__
 
#include "afw_common.h"
 
AFW_BEGIN_DECLARES
 
#define AFW_ARRAY_TEMPLATE(_NAME, _ELEMENT_TYPE)\
\
typedef struct {\
    apr_pool_t *pool;\
    int elt_size;\
    int nelts;\
    int nalloc;\
    _ELEMENT_TYPE *elts;\
    } _NAME##_t;\
\
typedef struct {\
    const _NAME##_t *list;\
    int next_index;\
    } _NAME##_iterator_t;\
\
    AFW_STATIC_INLINE _NAME##_t * make_##_NAME(apr_pool_t *p, int nelts)\
    {\
    return (_NAME##_t(*))apr_array_make(p, nelts, sizeof(_ELEMENT_TYPE)); \
    }\
\
    AFW_STATIC_INLINE _ELEMENT_TYPE * push_##_NAME(_NAME##_t *array)\
    {\
    return (_ELEMENT_TYPE *)apr_array_push((apr_array_header_t *)array);\
    }\
\
    AFW_STATIC_INLINE _ELEMENT_TYPE * pop_##_NAME(_NAME##_t *array)\
    {\
    return (_ELEMENT_TYPE *)apr_array_pop((apr_array_header_t *)array);\
    }\
\
    AFW_STATIC_INLINE void clear_##_NAME(_NAME##_t *array)\
    {\
    apr_array_clear((apr_array_header_t *)array);\
    }\
    \
    \
\
    AFW_STATIC_INLINE _NAME##_iterator_t * make##_NAME##_iterator(apr_pool_t *p, const _NAME##_t *list)\
    {\
    _NAME##_iterator_t *iterator =  (_NAME##_iterator_t (*))apr_pcalloc(p, sizeof(_NAME##_iterator_t));\
    iterator->list = list;\
    iterator->next_index = 0;\
    return iterator;\
    }\
\
    AFW_STATIC_INLINE void initialize##_NAME##_iterator(_NAME##_iterator_t *iterator, const _NAME##_t *list)\
    {\
    iterator->list = list;\
    iterator->next_index = 0;\
    }\
\
AFW_STATIC_INLINE _ELEMENT_TYPE * first##_NAME##_iterator(_NAME##_iterator_t *iterator)\
    {\
    iterator->next_index = 1;\
    return (iterator->list->elts);\
    }\
\
AFW_STATIC_INLINE _ELEMENT_TYPE * next##_NAME##_iterator(_NAME##_iterator_t *iterator)\
    {\
    return (\
        (iterator->next_index < iterator->list->nelts)\
            ?iterator->list->elts+((iterator->next_index)++)\
            :NULL\
    );\
    }\
\
AFW_STATIC_INLINE int isDone##_NAME##_iterator(_NAME##_iterator_t *iterator)\
    {\
    return (iterator->next_index >= iterator->list->nelts);\
    }\
\
AFW_STATIC_INLINE _ELEMENT_TYPE * current##_NAME##_iterator(_NAME##_iterator_t *iterator)\
    {\
    return (\
        (iterator->next_index < iterator->list->nelts)\
            ?iterator->list->elts+(iterator->next_index)\
            :NULL\
    );\
}
 
AFW_ARRAY_TEMPLATE(afw_u8z_array,
    afw_utf8_z_t *)
 
AFW_ARRAY_TEMPLATE(const_afw_u8z_array,
    const afw_utf8_z_t *)
 
AFW_ARRAY_TEMPLATE(afw_char_ptr_array,
    char *)
 
AFW_ARRAY_TEMPLATE(const_afw_char_ptr_array,
    const char *)
 
AFW_END_DECLARES
 
#endif /* __AFW_ARRAY_TEMPLATE_H__ */