MutableData.c File Reference

#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "MutableData.h"

Go to the source code of this file.

Macros
#define	_Class   _MutableData

Functions
Class *	_MutableData (void)
static void	appendBytes (MutableData *self, const uint8_t *bytes, size_t length)
static void	appendData (MutableData *self, const Data *data)
static Object *	copy (const Object *self)
static MutableData *	data (void)
static MutableData *	dataWithCapacity (size_t capacity)
static MutableData *	init (MutableData *self)
static void	initialize (Class *clazz)
static MutableData *	initWithCapacity (MutableData *self, size_t capacity)
static MutableData *	initWithData (MutableData *self, const Data *data)
static void	setLength (MutableData *self, size_t length)

Macro Definition Documentation

_Class

#define _Class   _MutableData

Definition at line 30 of file MutableData.c.

Function Documentation

_MutableData()

Class * _MutableData

(

void

)

Definition at line 182 of file MutableData.c.

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

appendBytes()

static void appendBytes ( MutableData *  self, const uint8_t *  bytes, size_t  length  )

static

Definition at line 53 of file MutableData.c.

                                                                                {
 
    const size_t oldLength = self->data.length;
 
    $(self, setLength, self->data.length + length);
 
    memcpy(self->data.bytes + oldLength, bytes, length);
}

appendData()

static void appendData ( MutableData *  self, const Data *  data  )

static

Definition at line 66 of file MutableData.c.

                                                            {
 
    $(self, appendBytes, data->bytes, data->length);
}

copy()

static Object * copy ( const Object *  self )

static

See also

Object::copy(const Object *)

Definition at line 37 of file MutableData.c.

                                        {
 
    Data *this = (Data *) self;
 
    MutableData *that = $(alloc(MutableData), init);
    $(that, appendBytes, this->bytes, this->length);
 
    return (Object *) that;
}

data()

static MutableData * data ( void  )

static

Definition at line 75 of file MutableData.c.

                               {
 
    return $(alloc(MutableData), init);
}

dataWithCapacity()

static MutableData * dataWithCapacity ( size_t  capacity )

static

Definition at line 84 of file MutableData.c.

                                                      {
 
    return $(alloc(MutableData), initWithCapacity, capacity);
}

init()

static MutableData * init ( MutableData *  self )

static

Definition at line 93 of file MutableData.c.

                                            {
 
    return $(self, initWithCapacity, 0);
}

initialize()

static void initialize ( Class *  clazz )

static

See also

Class::initialize(Class *)

Definition at line 164 of file MutableData.c.

                                     {
 
    ((ObjectInterface *) clazz->interface)->copy = copy;
 
    ((MutableDataInterface *) clazz->interface)->appendBytes = appendBytes;
    ((MutableDataInterface *) clazz->interface)->appendData = appendData;
    ((MutableDataInterface *) clazz->interface)->data = data;
    ((MutableDataInterface *) clazz->interface)->dataWithCapacity = dataWithCapacity;
    ((MutableDataInterface *) clazz->interface)->init = init;
    ((MutableDataInterface *) clazz->interface)->initWithCapacity = initWithCapacity;
    ((MutableDataInterface *) clazz->interface)->initWithData = initWithData;
    ((MutableDataInterface *) clazz->interface)->setLength = setLength;
}

initWithCapacity()

static MutableData * initWithCapacity ( MutableData *  self, size_t  capacity  )

static

Definition at line 102 of file MutableData.c.

                                                                         {
 
    self = (MutableData *) super(Object, self, init);
    if (self) {
 
        self->capacity = capacity;
        if (self->capacity) {
 
            self->data.bytes = calloc(capacity, sizeof(uint8_t));
            assert(self->data.bytes);
        }
 
        self->data.destroy = free;
    }
 
    return self;
}

initWithData()

static MutableData * initWithData ( MutableData *  self, const Data *  data  )

static

Definition at line 124 of file MutableData.c.

                                                                      {
 
    self = $(self, initWithCapacity, data->length);
    if (self) {
        $(self, appendData, data);
    }
 
    return self;
}

setLength()

static void setLength ( MutableData *  self, size_t  length  )

static

Definition at line 138 of file MutableData.c.

                                                        {
 
    const size_t newCapacity = (length / _pageSize + 1) * _pageSize;
    if (newCapacity > self->capacity) {
 
        if (self->data.bytes == NULL) {
            self->data.bytes = calloc(newCapacity, sizeof(uint8_t));
            assert(self->data.bytes);
        } else {
            self->data.bytes = realloc(self->data.bytes, newCapacity);
            assert(self->data.bytes);
 
            memset(self->data.bytes + self->data.length, 0, length - self->data.length);
        }
 
        self->capacity = newCapacity;
    }
 
    self->data.length = length;
}