ui_rect_collection.h

/*
 * C
 *
 * Copyright 2023-2026 MicroEJ Corp. All rights reserved.
 * MicroEJ Corp. PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
 
#ifndef UI_RECT_COLLECTION_H
#define UI_RECT_COLLECTION_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
// --------------------------------------------------------------------------------
// Includes
// --------------------------------------------------------------------------------
 
#include <assert.h>
 
#include "ui_rect.h"
#include "ui_configuration.h"
 
// --------------------------------------------------------------------------------
// Typedefs
// --------------------------------------------------------------------------------
 
typedef struct ui_rect_collection_t {
    ui_rect_t data[UI_RECT_COLLECTION_MAX_LENGTH];
    size_t length;
} ui_rect_collection_t;
 
// --------------------------------------------------------------------------------
// Public functions
// --------------------------------------------------------------------------------
 
static inline void UI_RECT_COLLECTION_clear(ui_rect_collection_t *collection) {
    collection->length = 0;
}
 
static inline void UI_RECT_COLLECTION_init(ui_rect_collection_t *collection) {
    UI_RECT_COLLECTION_clear(collection);
}
 
static inline size_t UI_RECT_COLLECTION_get_length(const ui_rect_collection_t *collection) {
    return collection->length;
}
 
static inline bool UI_RECT_COLLECTION_is_full(const ui_rect_collection_t *collection) {
    return UI_RECT_COLLECTION_get_length(collection) >= UI_RECT_COLLECTION_MAX_LENGTH;
}
 
static inline bool UI_RECT_COLLECTION_is_empty(const ui_rect_collection_t *collection) {
    return collection->length == 0u;
}
 
static inline ui_rect_t * UI_RECT_COLLECTION_get_last(ui_rect_collection_t *collection) {
    return UI_RECT_COLLECTION_is_empty(collection) ? NULL : (collection->data + collection->length - 1u);
}
 
static inline ui_rect_t * UI_RECT_COLLECTION_get_end(ui_rect_collection_t *collection) {
    return collection->data + collection->length;
}
 
static inline void UI_RECT_COLLECTION_add_rect(ui_rect_collection_t *collection, const ui_rect_t element) {
    assert(!UI_RECT_COLLECTION_is_full(collection));
    collection->data[collection->length] = element;
    collection->length++;
}
 
static inline void UI_RECT_COLLECTION_remove_rect(ui_rect_collection_t *collection, ui_rect_t *element) {
    assert(!UI_RECT_COLLECTION_is_empty(collection));
    assert(element >= collection->data);
    assert(element < (collection->data + collection->length));
    *element = *UI_RECT_COLLECTION_get_last(collection);
    collection->length--;
}
 
static inline void UI_RECT_COLLECTION_remove_empty_rects(ui_rect_collection_t *collection) {
    // cppcheck-suppress [misra-c2012-14.2] do not increment i systematically
    for (size_t i = 0; i < collection->length;) {
        if (UI_RECT_is_empty(&collection->data[i])) {
            UI_RECT_COLLECTION_remove_rect(collection, &collection->data[i]);
        } else {
            i++;
        }
    }
}
 
// --------------------------------------------------------------------------------
// EOF
// --------------------------------------------------------------------------------
 
#ifdef __cplusplus
}
#endif
 
#endif // UI_RECT_COLLECTION_H