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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sw.hxx"

#include "bparr.hxx"
#include <algorithm>

BigPtrArray::BigPtrArray()
{
    //container_.reserve(1000);
}

sal_uLong BigPtrArray::Count() const
{
    return container_.size();
}

void BigPtrArray::Move(sal_uLong fromPos, sal_uLong toPos)
{
	DBG_ASSERT(fromPos < container_.size() && toPos < container_.size(), "BigPtrArray.Move precondition violation");
    Insert(container_[fromPos], toPos);
    Remove(toPos < fromPos ? fromPos + 1 : fromPos, 1);
}

void BigPtrArray::ForEach(sal_uLong fromPos, sal_uLong toPos, FnForEach fn, void* pArgs)
{
    DBG_ASSERT(fromPos < toPos && fromPos < container_.size() && toPos < container_.size(), "BigPtrArray::ForEach precondition violation");
    Container_t::const_iterator iter = container_.begin() + fromPos;
    Container_t::const_iterator iter_end = container_.begin() + toPos;
    for (/*no init*/; iter != iter_end; ++iter)
        fn(*iter, pArgs);
}

void BigPtrArray::ForEach(FnForEach fn, void* pArgs)
{
    Container_t::const_iterator iter = container_.begin();
    Container_t::const_iterator iter_end = container_.end();
    for ( /*no init*/; iter != iter_end; ++iter)
        fn(*iter, pArgs);
}

ElementPtr BigPtrArray::operator[](sal_uLong pos) const
{
    DBG_ASSERT(pos < container_.size(), "BigPtrArray::operator[] precondition violation");
    return container_[pos];
}

void BigPtrArray::Insert(const ElementPtr& rElem, sal_uLong pos)
{    
    DBG_ASSERT(pos <= container_.size(), "BigPtrArray::Insert precondition violation");
    
    rElem->pBigPtrArray_ = this;
    rElem->pos_ = pos;    
    
    if (pos == container_.size()) 
        container_.push_back(rElem); 
    else
    {        
        container_.insert(container_.begin() + pos, rElem);
        FixElementIndizes(container_.begin(), container_.end());        
    }
}

void BigPtrArray::Remove( sal_uLong pos, sal_uLong n )
{
    DBG_ASSERT((pos < container_.size()) && ((container_.begin() + pos + n) < container_.end()), "BigPtrArray.Remove precondition violation")    
    container_.erase(container_.begin() + pos, container_.begin() + pos + n);
    FixElementIndizes(container_.begin(), container_.end());    
}

void BigPtrArray::Replace(sal_uLong pos, const ElementPtr& rElem)
{
    DBG_ASSERT(pos < container_.size(), "BigPtrArray::Replace precondition violation");
    rElem->pBigPtrArray_ = this;
    rElem->pos_ = pos;
    container_[pos] = rElem;
}

void BigPtrArray::FixElementIndizes(Container_t::const_iterator begin, Container_t::const_iterator end) const
{    
    Container_t::const_iterator iter = begin;
    for (int i = 0; iter != end; ++iter, i++)
        (*iter)->pos_ = i;
}