axmol/cocos/base/CCArray.cpp

/****************************************************************************
Copyright (c) 2010 ForzeField Studios S.L. http://forzefield.com
Copyright (c) 2010 cocos2d-x.org

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#include "CCArray.h"
#include "CCString.h"
#include "platform/CCFileUtils.h"
#include <algorithm>    // std::for_each

NS_CC_BEGIN

#if CC_USE_ARRAY_VECTOR

//  ----------------------------------------------------------------------------------
// std::vector implementation
//  ----------------------------------------------------------------------------------

__Array::Array()
: data(NULL)
{
    init();
}

__Array* __Array::create()
{
    __Array* array = new __Array();

    if (array && array->initWithCapacity(7))
    {
        array->autorelease();
    }
    else
    {
        CC_SAFE_DELETE(array);
    }
    
    return array;
}

__Array* __Array::createWithObject(Object* object)
{
    __Array* array = new __Array();

    if (array && array->initWithObject(object))
    {
        array->autorelease();
    }
    else
    {
        CC_SAFE_DELETE(array);
    }

    return array;
}

__Array* __Array::create(Object* object, ...)
{
    va_list args;
    va_start(args,object);

    __Array* array = create();
    if (array && object)
    {
        array->addObject(object);
        Object *i = va_arg(args, Object*);
        while (i) 
        {
            array->addObject(i);
            i = va_arg(args, Object*);
        }
    }
    else
    {
        CC_SAFE_DELETE(array);
    }

    va_end(args);

    return array;
}

__Array* __Array::createWithArray(__Array* otherArray)
{
    return otherArray->clone();
}

__Array* __Array::createWithCapacity(int capacity)
{
    CCASSERT(capacity>=0, "Invalid capacity");

    __Array* array = new __Array();
    
    if (array && array->initWithCapacity(capacity))
    {
        array->autorelease();
    }
    else
    {
        CC_SAFE_DELETE(array);
    }
    
    return array;
}

__Array* __Array::createWithContentsOfFile(const char* fileName)
{
    __Array* ret = __Array::createWithContentsOfFileThreadSafe(fileName);
    if (ret != nullptr)
    {
        ret->autorelease();
    }
    return ret;
}

__Array* __Array::createWithContentsOfFileThreadSafe(const char* fileName)
{
    return FileUtils::getInstance()->createArrayWithContentsOfFile(fileName);
}

bool __Array::init()
{
    return initWithCapacity(7);
}

bool __Array::initWithObject(Object* object)
{
    bool ret = initWithCapacity(7);
    if (ret)
    {
        addObject(object);
    }
    return ret;
}

/** Initializes an array with some objects */
bool __Array::initWithObjects(Object* object, ...)
{
    bool ret = false;
    do 
    {
        CC_BREAK_IF(object == nullptr);

        va_list args;
        va_start(args, object);

        if (object)
        {
            this->addObject(object);
            Object* i = va_arg(args, Object*);
            while (i) 
            {
                this->addObject(i);
                i = va_arg(args, Object*);
            }
            ret = true;
        }
        va_end(args);

    } while (false);

    return ret;
}

bool __Array::initWithCapacity(int capacity)
{
    CCASSERT(capacity>=0, "Invalid capacity");

    data.reserve(capacity);
    return true;
}

bool __Array::initWithArray(__Array* otherArray)
{
    data = otherArray->data;
    return true;
}

int __Array::getIndexOfObject(Object* object) const
{
    auto it = data.begin();

    for (int i = 0; it != data.end(); ++it, ++i)
    {
        if (it->get() == object)
        {
            return i;
        }
    }
    
    return -1;
}

Object* __Array::getRandomObject()
{
    if (data.size()==0)
    {
        return nullptr;
    }

    float r = CCRANDOM_0_1();
    
    if (r == 1) // to prevent from accessing data-arr[data->num], out of range.
    {
        r = 0;
    }

    r *= data.size();
    
    return data[r].get();
}

bool __Array::containsObject(Object* object) const
{
    auto i = this->getIndexOfObject(object);
    return (i >= 0);
}

bool __Array::isEqualToArray(__Array* otherArray)
{
    for (int i = 0; i < this->count(); ++i)
    {
        if (!this->getObjectAtIndex(i)->isEqual(otherArray->getObjectAtIndex(i)))
        {
            return false;
        }
    }
    return true;
}

void __Array::addObject(Object* object)
{
    data.push_back(RCPtr<Object>(object));
}

void __Array::addObjectsFromArray(__Array* otherArray)
{
    data.insert(data.end(), otherArray->data.begin(), otherArray->data.end());
}

void __Array::insertObject(Object* object, int index)
{
    data.insert(std::begin(data) + index, RCPtr<Object>(object));
}

void __Array::setObject(Object* object, int index)
{
    data[index] = RCPtr<Object>(object);
}

void __Array::removeLastObject(bool releaseObj)
{
    CCASSERT(data.size(), "no objects added");
    data.pop_back();
}

void __Array::removeObject(Object* object, bool releaseObj /* ignored */)
{
    data.erase(std::remove(data.begin(), data.end(), object));
}

void __Array::removeObjectAtIndex(int index, bool releaseObj /* ignored */)
{
    auto obj = data[index];
    data.erase(data.begin() + index);
}

void __Array::removeObjectsInArray(__Array* otherArray)
{
    CCASSERT(false, "not implemented");
}

void __Array::removeAllObjects()
{
    data.erase(std::begin(data), std::end(data));
}

void __Array::fastRemoveObjectAtIndex(int index)
{
    removeObjectAtIndex(index);
}

void __Array::fastRemoveObject(Object* object)
{
    removeObject(object);
}

void __Array::exchangeObject(Object* object1, Object* object2)
{
    auto idx1 = getIndexOfObject(object1);
    auto idx2 = getIndexOfObject(object2);

    CCASSERT(idx1 >= 0 && idx2 >= 2, "invalid object index");

    std::swap(data[idx1], data[idx2]);
}

void __Array::exchangeObjectAtIndex(int index1, int index2)
{
    std::swap(data[index1], data[index2]);
}

void __Array::replaceObjectAtIndex(int index, Object* object, bool releaseObject /* ignored */)
{
    data[index] = object;
}

void __Array::reverseObjects()
{
    std::reverse(std::begin(data), std::end(data));
}

void __Array::reduceMemoryFootprint()
{
    // N/A
}

__Array::~Array()
{
    CCLOGINFO("deallocing Array: %p - len: %d", this, count() );
}

__Array* __Array::clone() const
{
    __Array* ret = new __Array();
    ret->autorelease();
    ret->initWithCapacity(this->data.size() > 0 ? this->data.size() : 1);

    Object* obj = nullptr;
    Object* tmpObj = nullptr;
    Clonable* clonable = nullptr;
    CCARRAY_FOREACH(this, obj)
    {
        clonable = dynamic_cast<Clonable*>(obj);
        if (clonable)
        {
            tmpObj = dynamic_cast<Object*>(clonable->clone());
            if (tmpObj)
            {
                ret->addObject(tmpObj);
            }
        }
        else
        {
            CCLOGWARN("%s isn't clonable.", typeid(*obj).name());
        }
    }
    return ret;
}

void __Array::acceptVisitor(DataVisitor &visitor)
{
    visitor.visit(this);
}

// ----------------------------------------------------------------------------------
// ccArray implementation
// ----------------------------------------------------------------------------------

#else

__Array::__Array()
: data(nullptr)
{
//    init();
}

__Array* __Array::create()
{
    __Array* array = new __Array();

    if (array && array->initWithCapacity(7))
    {
        array->autorelease();
    }
    else
    {
        CC_SAFE_DELETE(array);
    }

    return array;
}

__Array* __Array::createWithObject(Object* object)
{
    __Array* array = new __Array();

    if (array && array->initWithObject(object))
    {
        array->autorelease();
    }
    else
    {
        CC_SAFE_DELETE(array);
    }

    return array;
}

__Array* __Array::create(Object* object, ...)
{
    va_list args;
    va_start(args,object);

    __Array* array = create();
    if (array && object)
    {
        array->addObject(object);
        Object *i = va_arg(args, Object*);
        while (i)
        {
            array->addObject(i);
            i = va_arg(args, Object*);
        }
    }
    else
    {
        CC_SAFE_DELETE(array);
    }

    va_end(args);

    return array;
}

__Array* __Array::createWithArray(__Array* otherArray)
{
    return otherArray->clone();
}

__Array* __Array::createWithCapacity(int capacity)
{
    CCASSERT(capacity>=0, "Invalid capacity");

    __Array* array = new __Array();

    if (array && array->initWithCapacity(capacity))
    {
        array->autorelease();
    }
    else
    {
        CC_SAFE_DELETE(array);
    }

    return array;
}

__Array* __Array::createWithContentsOfFile(const char* fileName)
{
    __Array* ret = __Array::createWithContentsOfFileThreadSafe(fileName);
    if (ret != nullptr)
    {
        ret->autorelease();
    }
    return ret;
}

__Array* __Array::createWithContentsOfFileThreadSafe(const char* fileName)
{
    ValueVector arr = FileUtils::getInstance()->getValueVectorFromFile(fileName);
    
    __Array* ret = __Array::createWithCapacity(static_cast<int>(arr.size()));
    
    std::for_each(arr.cbegin(), arr.cend(), [&ret](const Value& value){
        ret->addObject(String::create(value.asString()));
    });
    
    return ret;
}

bool __Array::init()
{
    CCASSERT(!data, "Array cannot be re-initialized");

    return initWithCapacity(7);
}

bool __Array::initWithObject(Object* object)
{
    CCASSERT(!data, "Array cannot be re-initialized");

    bool ret = initWithCapacity(7);
    if (ret)
    {
        addObject(object);
    }
    return ret;
}

/** Initializes an array with some objects */
bool __Array::initWithObjects(Object* object, ...)
{
    CCASSERT(!data, "Array cannot be re-initialized");

    bool ret = false;
    do
    {
        CC_BREAK_IF(object == nullptr);

        va_list args;
        va_start(args, object);

        if (object)
        {
            this->addObject(object);
            Object* i = va_arg(args, Object*);
            while (i)
            {
                this->addObject(i);
                i = va_arg(args, Object*);
            }
            ret = true;
        }
        va_end(args);

    } while (false);

    return ret;
}

bool __Array::initWithCapacity(int capacity)
{
    CCASSERT(capacity>=0 && !data, "Array cannot be re-initialized");

    data = ccArrayNew(capacity);
    return true;
}

bool __Array::initWithArray(__Array* otherArray)
{
    CCASSERT(!data, "Array cannot be re-initialized");

    bool ret = false;
    do
    {
        CC_BREAK_IF(! initWithCapacity(otherArray->data->num));

        addObjectsFromArray(otherArray);
        ret = true;
    } while (0);

    return ret;
}

int __Array::getIndexOfObject(Object* object) const
{
    return ccArrayGetIndexOfObject(data, object);
}

Object* __Array::getRandomObject()
{
    if (data->num == 0)
    {
        return nullptr;
    }

    float r = CCRANDOM_0_1();

    if (r == 1) // to prevent from accessing data-arr[data->num], out of range.
    {
        r = 0;
    }

    return data->arr[static_cast<int>(data->num * r)];
}

bool __Array::containsObject(Object* object) const
{
    return ccArrayContainsObject(data, object);
}

bool __Array::isEqualToArray(__Array* otherArray)
{
    for (int i = 0; i < this->count(); ++i)
    {
        if (!this->getObjectAtIndex(i)->isEqual(otherArray->getObjectAtIndex(i)))
        {
            return false;
        }
    }
    return true;
}

void __Array::addObject(Object* object) 
{
    CCASSERT(data, "Array not initialized");
    ccArrayAppendObjectWithResize(data, object);
}

void __Array::addObjectsFromArray(__Array* otherArray)
{
    CCASSERT(data, "Array not initialized");
    ccArrayAppendArrayWithResize(data, otherArray->data);
}

void __Array::insertObject(Object* object, int index)
{
    CCASSERT(data, "Array not initialized");
    ccArrayInsertObjectAtIndex(data, object, index);
}

void __Array::setObject(Object* object, int index)
{
    CCASSERT(index >= 0 && index < count(), "Invalid index");
    
    if (object != data->arr[index])
    {
        data->arr[index]->release();
        data->arr[index] = object;
        object->retain();
    }
}

void __Array::removeLastObject(bool releaseObj)
{
    CCASSERT(data->num, "no objects added");
    ccArrayRemoveObjectAtIndex(data, data->num - 1, releaseObj);
}

void __Array::removeObject(Object* object, bool releaseObj/* = true*/)
{
    ccArrayRemoveObject(data, object, releaseObj);
}

void __Array::removeObjectAtIndex(int index, bool releaseObj)
{
    ccArrayRemoveObjectAtIndex(data, index, releaseObj);
}

void __Array::removeObjectsInArray(__Array* otherArray)
{
    ccArrayRemoveArray(data, otherArray->data);
}

void __Array::removeAllObjects()
{
    ccArrayRemoveAllObjects(data);
}

void __Array::fastRemoveObjectAtIndex(int index)
{
    ccArrayFastRemoveObjectAtIndex(data, index);
}

void __Array::fastRemoveObject(Object* object)
{
    ccArrayFastRemoveObject(data, object);
}

void __Array::exchangeObject(Object* object1, Object* object2)
{
    auto index1 = ccArrayGetIndexOfObject(data, object1);
    if (index1 == CC_INVALID_INDEX)
    {
        return;
    }

    auto index2 = ccArrayGetIndexOfObject(data, object2);
    if (index2 == CC_INVALID_INDEX)
    {
        return;
    }

    ccArraySwapObjectsAtIndexes(data, index1, index2);
}

void __Array::exchangeObjectAtIndex(int index1, int index2)
{
    ccArraySwapObjectsAtIndexes(data, index1, index2);
}

void __Array::replaceObjectAtIndex(int index, Object* object, bool releaseObject/* = true*/)
{
    ccArrayInsertObjectAtIndex(data, object, index);
    ccArrayRemoveObjectAtIndex(data, index + 1);
}

void __Array::reverseObjects()
{
    if (data->num > 1)
    {
        // floorf(), since in the case of an even number, the number of swaps stays the same
        auto count = static_cast<int>(floorf(data->num/2.f));
        auto maxIndex = data->num - 1;

        for (int i = 0; i < count ; ++i)
        {
            ccArraySwapObjectsAtIndexes(data, i, maxIndex);
            --maxIndex;
        }
    }
}

void __Array::reduceMemoryFootprint()
{
    ccArrayShrink(data);
}

__Array::~__Array()
{
    CCLOGINFO("deallocing Array: %p - len: %d", this, count() );

    ccArrayFree(data);
}

__Array* __Array::clone() const
{
    __Array* ret = new __Array();
    ret->autorelease();
    ret->initWithCapacity(this->data->num > 0 ? this->data->num : 1);

    Object* obj = nullptr;
    Object* tmpObj = nullptr;
    Clonable* clonable = nullptr;
    CCARRAY_FOREACH(this, obj)
    {
        clonable = dynamic_cast<Clonable*>(obj);
        if (clonable)
        {
            tmpObj = dynamic_cast<Object*>(clonable->clone());
            if (tmpObj)
            {
                ret->addObject(tmpObj);
            }
        }
        else
        {
            CCLOGWARN("%s isn't clonable.", typeid(*obj).name());
        }
    }
    return ret;
}

void __Array::acceptVisitor(DataVisitor &visitor)
{
    visitor.visit(this);
}

#endif // uses ccArray

NS_CC_END