Vector.c File Reference

#include "Config.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "Hash.h"
#include "Vector.h"

Go to the source code of this file.

Macros
#define	_Class   _Vector
#define	VECTOR_CHUNK_SIZE   64

Functions
static int	_sort (const void *a, const void *b, void *data)
	qsort_r comparator. More...
Class *	_Vector (void)
static void	addElement (Vector *self, const ident element)
static Object *	copy (const Object *self)
static void	dealloc (Object *self)
static void	enumerateElements (const Vector *self, VectorEnumerator enumerator, ident data)
static void	filterElements (Vector *self, Predicate predicate, ident data)
static ident	findElement (const Vector *self, Predicate predicate, ident data)
static int	hash (const Object *self)
static ssize_t	indexOfElement (const Vector *self, const ident element)
static void	initialize (Class *clazz)
static Vector *	initWithElements (Vector *self, size_t size, size_t count, ident elements)
static Vector *	initWithSize (Vector *self, size_t size)
static void	insertElementAtIndex (Vector *self, const ident element, size_t index)
static _Bool	isEqual (const Object *self, const Object *other)
static ident	reduce (const Vector *self, Reducer reducer, ident accumulator, ident data)
static void	removeAllElements (Vector *self)
static void	removeElementAtIndex (Vector *self, size_t index)
static void	resize (Vector *self, size_t capacity)
static void	sort (Vector *self, Comparator comparator)
static Vector *	vectorWithElements (size_t size, size_t count, ident elements)
static Vector *	vectorWithSize (size_t size)

Macro Definition Documentation

_Class

#define _Class   _Vector

Definition at line 33 of file Vector.c.

VECTOR_CHUNK_SIZE

#define VECTOR_CHUNK_SIZE   64

Definition at line 35 of file Vector.c.

Function Documentation

_sort()

static int _sort ( const void *  a, const void *  b, void *  data  )

static

qsort_r comparator.

Definition at line 324 of file Vector.c.

                                                           {
    return ((Comparator) data)(((const ident) a), ((const ident) b));
}

_Vector()

Class * _Vector

(

void

)

Definition at line 387 of file Vector.c.

                     {
    static Class *clazz;
    static Once once;
 
    do_once(&once, {
        clazz = _initialize(&(const ClassDef) {
            .name = "Vector",
            .superclass = _Object(),
            .instanceSize = sizeof(Vector),
            .interfaceOffset = offsetof(Vector, interface),
            .interfaceSize = sizeof(VectorInterface),
            .initialize = initialize,
        });
    });
 
    return clazz;
}

addElement()

static void addElement ( Vector *  self, const ident  element  )

static

Definition at line 109 of file Vector.c.

                                                          {
 
    if (self->count == self->capacity) {
 
        self->capacity += VECTOR_CHUNK_SIZE;
 
        if (self->elements) {
            self->elements = realloc(self->elements, self->capacity * self->size);
        } else {
            self->elements = calloc(self->capacity, self->size);
        }
 
        assert(self->elements);
    }
 
    memcpy(self->elements + self->count * self->size, element, self->size);
    self->count++;
}

copy()

static Object * copy ( const Object *  self )

static

See also

Object::copy(const Object *)

Definition at line 42 of file Vector.c.

                                        {
 
    const Vector *this = (Vector *) self;
 
    Vector *copy = (Vector *) $(self, copy);
 
    copy->elements = malloc(this->capacity * this->size);
    memcpy(copy->elements, this->elements, this->count * this->size);
 
    return (Object *) copy;
}

dealloc()

static void dealloc ( Object *  self )

static

See also

Object::dealloc(Object *)

Definition at line 57 of file Vector.c.

                                  {
 
    Vector *this = (Vector *) self;
 
    free(this->elements);
 
    super(Object, self, dealloc);
}

enumerateElements()

static void enumerateElements ( const Vector *  self, VectorEnumerator  enumerator, ident  data  )

static

Definition at line 132 of file Vector.c.

                                                                                           {
 
    assert(enumerator);
 
    for (size_t i = 0; i < self->count; i++) {
        enumerator(self, self->elements + i * self->size, data);
    }
}

filterElements()

static void filterElements ( Vector *  self, Predicate  predicate, ident  data  )

static

Definition at line 145 of file Vector.c.

                                                                          {
 
    assert(predicate);
 
    for (size_t i = 0; i < self->count; i++) {
        if (!predicate(self->elements + i * self->size, data)) {
            $(self, removeElementAtIndex, i);
        }
    }
}

findElement()

static ident findElement ( const Vector *  self, Predicate  predicate, ident  data  )

static

Definition at line 160 of file Vector.c.

                                                                              {
 
    assert(predicate);
 
    for (size_t i = 0; i < self->count; i++) {
        if (predicate(self->elements + i * self->size, data)) {
            return self->elements + i * self->size;
        }
    }
 
    return NULL;
}

hash()

static int hash ( const Object *  self )

static

See also

Object::hash(const Object *)

Definition at line 69 of file Vector.c.

                                    {
 
    Vector *this = (Vector *) self;
 
    const Range range = {
        .location = 0,
        .length = this->count * this->size
    };
 
    return HashForBytes(HASH_SEED, this->elements, range);
}

indexOfElement()

static ssize_t indexOfElement ( const Vector *  self, const ident  element  )

static

Definition at line 177 of file Vector.c.

                                                                       {
 
    for (size_t i = 0; i < self->count; i++) {
        if (memcmp(self->elements + i * self->size, element, self->size) == 0) {
            return i;
        }
    }
 
    return -1;
}

initialize()

static void initialize ( Class *  clazz )

static

See also

Class::initialize(Class *)

Definition at line 359 of file Vector.c.

                                     {
 
    ((ObjectInterface *) clazz->interface)->copy = copy;
    ((ObjectInterface *) clazz->interface)->dealloc = dealloc;
    ((ObjectInterface *) clazz->interface)->hash = hash;
    ((ObjectInterface *) clazz->interface)->isEqual = isEqual;
 
    ((VectorInterface *) clazz->interface)->addElement = addElement;
    ((VectorInterface *) clazz->interface)->enumerateElements = enumerateElements;
    ((VectorInterface *) clazz->interface)->filterElements = filterElements;
    ((VectorInterface *) clazz->interface)->findElement = findElement;
    ((VectorInterface *) clazz->interface)->indexOfElement = indexOfElement;
    ((VectorInterface *) clazz->interface)->initWithElements = initWithElements;
    ((VectorInterface *) clazz->interface)->initWithSize = initWithSize;
    ((VectorInterface *) clazz->interface)->insertElementAtIndex = insertElementAtIndex;
    ((VectorInterface *) clazz->interface)->reduce = reduce;
    ((VectorInterface *) clazz->interface)->removeAllElements = removeAllElements;
    ((VectorInterface *) clazz->interface)->removeElementAtIndex = removeElementAtIndex;
    ((VectorInterface *) clazz->interface)->resize = resize;
    ((VectorInterface *) clazz->interface)->sort = sort;
    ((VectorInterface *) clazz->interface)->vectorWithSize = vectorWithSize;
    ((VectorInterface *) clazz->interface)->vectorWithElements = vectorWithElements;
}

initWithElements()

static Vector * initWithElements ( Vector *  self, size_t  size, size_t  count, ident  elements  )

static

Definition at line 192 of file Vector.c.

                                                                                         {
 
    self = $(self, initWithSize, size);
    if (self) {
        self->count = count;
        self->elements = elements;
    }
 
    return self;
}

initWithSize()

static Vector * initWithSize ( Vector *  self, size_t  size  )

static

Definition at line 207 of file Vector.c.

                                                       {
 
    self = (Vector *) super(Object, self, init);
    if (self) {
        self->size = size;
        assert(self->size);
    }
    return self;
}

insertElementAtIndex()

static void insertElementAtIndex ( Vector *  self, const ident  element, size_t  index  )

static

Definition at line 221 of file Vector.c.

                                                                                  {
 
    assert(index <= self->count);
 
    $(self, addElement, element);
 
    for (size_t i = self->count - 1; i > index; i--) {
        memcpy(self->elements + i * self->size, self->elements + (i - 1) * self->size, self->size);
    }
 
    memcpy(self->elements + index * self->size, element, self->size);
}

isEqual()

static _Bool isEqual ( const Object *  self, const Object *  other  )

static

See also

Object::isEqual(const Object *, const Object *)

Definition at line 84 of file Vector.c.

                                                              {
 
    if (super(Object, self, isEqual, other)) {
        return true;
    }
 
    if (other && $(other, isKindOfClass, _Vector())) {
 
        const Vector *this = (Vector *) self;
        const Vector *that = (Vector *) other;
 
        if (this->count == that->count) {
            return memcmp(this->elements, that->elements, this->count * this->size) == 0;
        }
    }
 
    return false;
}

reduce()

static ident reduce ( const Vector *  self, Reducer  reducer, ident  accumulator, ident  data  )

static

Definition at line 238 of file Vector.c.

                                                                                        {
 
    assert(reducer);
 
    for (size_t i = 0; i < self->count; i++) {
        accumulator = reducer(self->elements + i * self->size, accumulator, data);
    }
 
    return accumulator;
}

removeAllElements()

static void removeAllElements ( Vector *  self )

static

Definition at line 253 of file Vector.c.

                                            {
    self->count = 0;
}

removeElementAtIndex()

static void removeElementAtIndex ( Vector *  self, size_t  index  )

static

Definition at line 261 of file Vector.c.

                                                             {
 
    assert(index < self->count);
 
    const size_t size = (self->count - index) * self->size;
 
    memcpy(self->elements + index * self->size, self->elements + (index + 1) * self->size, size);
 
    self->count--;
}

resize()

static void resize ( Vector *  self, size_t  capacity  )

static

Definition at line 276 of file Vector.c.

                                                  {
 
    self->elements = realloc(self->elements, capacity * self->size);
    assert(self->elements);
 
    self->capacity = capacity;
    self->count = min(self->count, self->capacity);
}

sort()

static void sort ( Vector *  self, Comparator  comparator  )

static

Definition at line 332 of file Vector.c.

                                                      {
    qsort_r(self->elements, self->count, self->size, _sort, comparator);
}

vectorWithElements()

static Vector * vectorWithElements ( size_t  size, size_t  count, ident  elements  )

static

Definition at line 350 of file Vector.c.

                                                                             {
    return $(alloc(Vector), initWithElements, size, count, elements);
}

vectorWithSize()

static Vector * vectorWithSize ( size_t  size )

static

Definition at line 342 of file Vector.c.

                                           {
    return $(alloc(Vector), initWithSize, size);
}