//%2006////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation, The Open Group.
// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; Symantec Corporation; The Open Group.
//
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// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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//%/////////////////////////////////////////////////////////////////////////////

#include <Pegasus/Common/ContentLanguageList.h>
#include <Pegasus/Common/LanguageParser.h>
#include <Pegasus/Common/AutoPtr.h>
#include <Pegasus/Common/InternalException.h>
#include <Pegasus/Common/ArrayInternal.h>

PEGASUS_NAMESPACE_BEGIN

// 
// Implementation Notes:
// =====================
//
// See the implemetnation notes in AcceptLanguageList.cpp for an explanation
// of how we overlay the _rep pointer with the array class.
//

typedef Array<LanguageTag> LanguageTagArray;

static inline LanguageTagArray& GetLanguageTagArray(
    ContentLanguageList* list)
{
    return *reinterpret_cast<LanguageTagArray*>(list);
}

static inline const LanguageTagArray& GetLanguageTagArray(
    const ContentLanguageList* list)
{
    return *reinterpret_cast<const LanguageTagArray*>(list);
}

ContentLanguageList::ContentLanguageList()
{
    LanguageTagArray& self = GetLanguageTagArray(this);
    new (&self) LanguageTagArray();
}

ContentLanguageList::ContentLanguageList(
    const ContentLanguageList& x)
{
    LanguageTagArray& self = GetLanguageTagArray(this);
    const LanguageTagArray& other = GetLanguageTagArray(&x);
    new (&self) LanguageTagArray(other);
}

ContentLanguageList::~ContentLanguageList()
{
    LanguageTagArray& self = GetLanguageTagArray(this);
    self.~LanguageTagArray();
}

ContentLanguageList& ContentLanguageList::operator=(
    const ContentLanguageList& x)
{
    LanguageTagArray& self = GetLanguageTagArray(this);
    const LanguageTagArray& other = GetLanguageTagArray(&x);
    self = other;
    return *this;
}

Uint32 ContentLanguageList::size() const
{
    const LanguageTagArray& self = GetLanguageTagArray(this);
    return self.size();
}

LanguageTag ContentLanguageList::getLanguageTag(Uint32 index) const
{
    const LanguageTagArray& self = GetLanguageTagArray(this);
    return self[index];
}

void ContentLanguageList::append(const LanguageTag& languageTag)
{
    LanguageTagArray& self = GetLanguageTagArray(this);

    // Disallow "*" language tag
    if (languageTag.toString() == "*")
    {
        MessageLoaderParms parms(
            "Common.LanguageParser.INVALID_LANGUAGE_TAG",
            "Invalid language tag \"$0\".", languageTag.toString());
        throw InvalidContentLanguageHeader(MessageLoader::getMessage(parms));
    }

    self.append(languageTag);
}

void ContentLanguageList::remove(Uint32 index)
{
    LanguageTagArray& self = GetLanguageTagArray(this);
    self.remove(index);
}

Uint32 ContentLanguageList::find(const LanguageTag& languageTag) const
{
    const LanguageTagArray& self = GetLanguageTagArray(this);

    for (Uint32 i = 0; i < self.size(); i++)
    {
        if (languageTag == self[i])
            return i;
    }

    return PEG_NOT_FOUND;
}

void ContentLanguageList::clear()
{
    LanguageTagArray& self = GetLanguageTagArray(this);
    self.clear();
}

Boolean ContentLanguageList::operator==(const ContentLanguageList& x) const
{
    const LanguageTagArray& self = GetLanguageTagArray(this);
    const LanguageTagArray& other = GetLanguageTagArray(&x);

    if (self.size() != other.size())
        return false;

    for (Uint32 i = 0; i < self.size(); i++)
    {
        if (self[i] != other[i])
            return false;
    }

    return true;
}

Boolean ContentLanguageList::operator!=( const ContentLanguageList& x) const
{
    return !operator==(x);
}

PEGASUS_NAMESPACE_END