//===-- SBMemoryRegionInfoList.cpp ------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "lldb/API/SBMemoryRegionInfo.h"
#include "lldb/API/SBMemoryRegionInfoList.h"
#include "lldb/API/SBStream.h"
#include "lldb/Core/Log.h"
#include "lldb/Target/MemoryRegionInfo.h"

#include <vector>

using namespace lldb;
using namespace lldb_private;

class MemoryRegionInfoListImpl
{
public:
    MemoryRegionInfoListImpl () :
    m_regions()
    {
    }

    MemoryRegionInfoListImpl (const MemoryRegionInfoListImpl& rhs) :
    m_regions(rhs.m_regions)
    {
    }

    MemoryRegionInfoListImpl&
    operator = (const MemoryRegionInfoListImpl& rhs)
    {
        if (this == &rhs)
            return *this;
        m_regions = rhs.m_regions;
        return *this;
    }

    uint32_t
    GetSize ()
    {
        return m_regions.size();
    }

    void
    Append (const lldb::SBMemoryRegionInfo& sb_region)
    {
        m_regions.push_back(sb_region);
    }

    void
    Append (const MemoryRegionInfoListImpl& list)
    {
        for (auto val : list.m_regions)
            Append (val);
    }

    void
    Clear ()
    {
        m_regions.clear();
    }

    bool
    GetMemoryRegionInfoAtIndex (uint32_t index, SBMemoryRegionInfo &region_info)
    {
        if (index >= GetSize())
            return false;
        region_info = m_regions[index];
        return true;
    }

private:
    std::vector<lldb::SBMemoryRegionInfo> m_regions;
};

SBMemoryRegionInfoList::SBMemoryRegionInfoList () :
    m_opaque_ap (new MemoryRegionInfoListImpl())
{
}

SBMemoryRegionInfoList::SBMemoryRegionInfoList (const SBMemoryRegionInfoList& rhs) :
    m_opaque_ap (new MemoryRegionInfoListImpl(*rhs.m_opaque_ap))
{
}

SBMemoryRegionInfoList::~SBMemoryRegionInfoList ()
{
}

const SBMemoryRegionInfoList &
SBMemoryRegionInfoList::operator = (const SBMemoryRegionInfoList &rhs)
{
    if (this != &rhs)
    {
        *m_opaque_ap = *rhs.m_opaque_ap;
    }
    return *this;
}

uint32_t
SBMemoryRegionInfoList::GetSize() const
{
    return m_opaque_ap->GetSize();
}


bool
SBMemoryRegionInfoList::GetMemoryRegionAtIndex (uint32_t idx, SBMemoryRegionInfo &region_info)
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    bool result = m_opaque_ap->GetMemoryRegionInfoAtIndex(idx, region_info);

    if (log)
    {
        SBStream sstr;
        region_info.GetDescription (sstr);
        log->Printf ("SBMemoryRegionInfoList::GetMemoryRegionAtIndex (this.ap=%p, idx=%d) => SBMemoryRegionInfo (this.ap=%p, '%s')",
                     static_cast<void*>(m_opaque_ap.get()), idx,
                     static_cast<void*>(region_info.m_opaque_ap.get()), sstr.GetData());
    }

    return result;
}

void
SBMemoryRegionInfoList::Clear()
{

    m_opaque_ap->Clear();
}

void
SBMemoryRegionInfoList::Append(SBMemoryRegionInfo &sb_region)
{
    m_opaque_ap->Append(sb_region);
}

void
SBMemoryRegionInfoList::Append(SBMemoryRegionInfoList &sb_region_list)
{
    m_opaque_ap->Append(*sb_region_list);
}

const MemoryRegionInfoListImpl *
SBMemoryRegionInfoList::operator->() const
{
    return m_opaque_ap.get();
}

const MemoryRegionInfoListImpl&
SBMemoryRegionInfoList::operator*() const
{
    assert (m_opaque_ap.get());
    return *m_opaque_ap.get();
}