IndexPath.c File Reference

#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "Hash.h"
#include "IndexPath.h"
#include "MutableString.h"

Go to the source code of this file.

Macros
#define	_Class   _IndexPath

Functions
Class *	_IndexPath (void)
static Object *	copy (const Object *self)
static void	dealloc (Object *self)
static String *	description (const Object *self)
static int	hash (const Object *self)
static size_t	indexAtPosition (const IndexPath *self, size_t position)
static void	initialize (Class *clazz)
static IndexPath *	initWithIndex (IndexPath *self, size_t index)
static IndexPath *	initWithIndexes (IndexPath *self, size_t *indexes, size_t length)
static _Bool	isEqual (const Object *self, const Object *other)

Macro Definition Documentation

_Class

#define _Class   _IndexPath

Definition at line 32 of file IndexPath.c.

Function Documentation

_IndexPath()

Class * _IndexPath

(

void

)

Definition at line 180 of file IndexPath.c.

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

copy()

static Object * copy ( const Object *  self )

static

See also

Object::copy(const Object *)

Definition at line 39 of file IndexPath.c.

                                        {
 
    IndexPath *this = (IndexPath *) self;
    IndexPath *that = $(alloc(IndexPath), initWithIndexes, this->indexes, this->length);
 
    return (Object *) that;
}

dealloc()

static void dealloc ( Object *  self )

static

See also

Object::dealloc(Object *)

Definition at line 50 of file IndexPath.c.

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

description()

static String * description ( const Object *  self )

static

See also

Object::description(const Object *)

Definition at line 62 of file IndexPath.c.

                                               {
 
    const IndexPath *this = (IndexPath *) self;
    MutableString *desc = mstr("[");
 
    for (size_t i = 0; i < this->length; i++) {
        $(desc, appendFormat, "%d", this->indexes[i]);
        if (i < this->length - 1) {
            $(desc, appendCharacters, ", ");
        }
    }
 
    $(desc, appendCharacters, "]");
    return (String *) desc;
}

hash()

static int hash ( const Object *  self )

static

See also

Object::hash(const Object *)

Definition at line 81 of file IndexPath.c.

                                    {
 
    int hash = HASH_SEED;
 
    const IndexPath *this = (IndexPath *) self;
 
    for (size_t i = 0; i < this->length; i++) {
        hash = HashForInteger(hash, this->indexes[i]);
    }
 
    return hash;
}

indexAtPosition()

static size_t indexAtPosition ( const IndexPath *  self, size_t  position  )

static

Definition at line 122 of file IndexPath.c.

                                                                      {
 
    assert(position < self->length);
 
    return self->indexes[position];
}

initialize()

static void initialize ( Class *  clazz )

static

See also

Class::initialize(Class *)

Definition at line 163 of file IndexPath.c.

                                     {
 
    ((ObjectInterface *) clazz->interface)->copy = copy;
    ((ObjectInterface *) clazz->interface)->dealloc = dealloc;
    ((ObjectInterface *) clazz->interface)->description = description;
    ((ObjectInterface *) clazz->interface)->hash = hash;
    ((ObjectInterface *) clazz->interface)->isEqual = isEqual;
 
    ((IndexPathInterface *) clazz->interface)->indexAtPosition = indexAtPosition;
    ((IndexPathInterface *) clazz->interface)->initWithIndex = initWithIndex;
    ((IndexPathInterface *) clazz->interface)->initWithIndexes = initWithIndexes;
}

initWithIndex()

static IndexPath * initWithIndex ( IndexPath *  self, size_t  index  )

static

Definition at line 133 of file IndexPath.c.

                                                               {
    return $(self, initWithIndexes, &index, 1);
}

initWithIndexes()

static IndexPath * initWithIndexes ( IndexPath *  self, size_t *  indexes, size_t  length  )

static

Definition at line 141 of file IndexPath.c.

                                                                                   {
 
    self = (IndexPath *) super(Object, self, init);
    if (self) {
 
        self->length = length;
        assert(self->length);
 
        self->indexes = calloc(sizeof(size_t), length);
        assert(self->indexes);
 
        memcpy(self->indexes, indexes, sizeof(size_t) * length);
    }
 
    return self;
}

isEqual()

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

static

See also

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

Definition at line 97 of file IndexPath.c.

                                                              {
 
    if (super(Object, self, isEqual, other)) {
        return true;
    }
 
    if (other && $(other, isKindOfClass, _IndexPath())) {
 
        const IndexPath *this = (IndexPath *) self;
        const IndexPath *that = (IndexPath *) other;
 
        if (this->length == that->length) {
            return memcmp(this->indexes, that->indexes, this->length * sizeof(size_t)) == 0;
        }
    }
 
    return false;
}