/*
 * Port for usage with qt-framework and development for kdesvn
 * Copyright (C) 2005-2009 by Rajko Albrecht (ral@alwins-world.de)
 * http://kdesvn.alwins-world.de
 */
/*
 * ====================================================================
 * Copyright (c) 2002-2005 The RapidSvn Group.  All rights reserved.
 * dev@rapidsvn.tigris.org
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library (in the file LGPL.txt); if not,
 * write to the Free Software Foundation, Inc., 51 Franklin St,
 * Fifth Floor, Boston, MA  02110-1301  USA
 *
 * This software consists of voluntary contributions made by many
 * individuals.  For exact contribution history, see the revision
 * history and logs, available at http://rapidsvn.tigris.org/.
 * ====================================================================
 */

// svncpp
#include "revision.h"
#include "pool.h"

namespace svn
{
const svn_opt_revision_kind Revision::START = svn_opt_revision_number;
const svn_opt_revision_kind Revision::BASE = svn_opt_revision_base;
const svn_opt_revision_kind Revision::HEAD = svn_opt_revision_head;
const svn_opt_revision_kind Revision::WORKING = svn_opt_revision_working;
const svn_opt_revision_kind Revision::UNDEFINED = svn_opt_revision_unspecified;
const svn_opt_revision_kind Revision::PREV = svn_opt_revision_previous;

const svn_opt_revision_kind Revision::DATE = svn_opt_revision_date;
const svn_opt_revision_kind Revision::NUMBER = Revision::START;

Revision::Revision(const svn_opt_revision_t *revision)
{
    init(revision);
}

Revision::Revision(const svn_revnum_t revnum)
{
    if (revnum < 0) {
        m_revision.kind = svn_opt_revision_unspecified;
        m_revision.value.number = 0;
    } else {
        m_revision.kind = svn_opt_revision_number;
        m_revision.value.number = revnum;
    }
}

Revision::Revision(const svn_opt_revision_kind kind)
{
    m_revision.kind = kind;
    m_revision.value.number = 0;
}

Revision::Revision(const int revnum, const QString &revstring)
{
    m_revision.kind = svn_opt_revision_unspecified;

    if (revnum > -1) {
        m_revision.kind = svn_opt_revision_number;
        m_revision.value.number = revnum;
    } else {
        assign(revstring);
    }
}

Revision::Revision(const QString &revstring)
{
    assign(revstring);
}

void
Revision::assign(const QString &revstring)
{
    m_revision.kind = svn_opt_revision_unspecified;
    if (revstring.isEmpty()) {
        return;
    }
    if (revstring == QLatin1String("WORKING")) {
        m_revision.kind = WORKING;
    } else if (revstring == QLatin1String("BASE")) {
        m_revision.kind = BASE;
    } else if (revstring == QLatin1String("START")) {
        m_revision.kind = Revision::START;
        m_revision.value.number = 0;
    } else if (revstring == QLatin1String("PREV")) {
        m_revision.kind = Revision::PREV;
    } else if (!revstring.isNull()) {
        Pool pool;
        svn_opt_revision_t endrev;
        svn_opt_parse_revision(&m_revision, &endrev, revstring.toUtf8(), pool);
    }
}

void
Revision::assign(const QDateTime &dateTime)
{
    m_revision.kind = svn_opt_revision_date;
    DateTime dt(dateTime);
    m_revision.value.date = dt.GetAPRTimeT();
}

Revision &Revision::operator=(const QString &what)
{
    assign(what);
    return *this;
}

Revision::Revision(const QDateTime &dateTime)
{
    assign(dateTime);
}

void
Revision::init(const svn_opt_revision_t *revision)
{
    if (!revision) {
        m_revision.kind = svn_opt_revision_unspecified;
    } else {
        m_revision.kind = revision->kind;

        // m_revision.value is a union so we are not
        // allowed to set number if we want to use date
        // and vice versa

        switch (revision->kind) {
        case svn_opt_revision_number:
            m_revision.value.number = revision->value.number;
            break;

        case svn_opt_revision_date:
            m_revision.value.date = revision->value.date;
            break;

        default:
            m_revision.value.number = 0;
        }
    }
}

Revision::operator QString()const
{
    return toString();
}

QString Revision::toString()const
{
    QString value;
    switch (m_revision.kind) {
    case svn_opt_revision_number:
        value.sprintf("%li", m_revision.value.number);
        break;
    case svn_opt_revision_date:
        value = DateTime(m_revision.value.date).toString(QStringLiteral("{yyyy-MM-dd}"));
        break;
    case svn_opt_revision_base:
        value = QLatin1String("BASE");
        break;
    case svn_opt_revision_head:
        value = QLatin1String("HEAD");
        break;
    case svn_opt_revision_working:
        value = QLatin1String("WORKING");
        break;
    case svn_opt_revision_previous:
        value = QLatin1String("PREVIOUS");
        break;
    case svn_opt_revision_unspecified:
    default:
        value =QLatin1String( "-1");
        break;
    }
    return value;
}

const svn_opt_revision_t *
Revision::revision() const
{
    return &m_revision;
}

svn_revnum_t
Revision::revnum() const
{
    if (m_revision.kind == svn_opt_revision_number) {
        return m_revision.value.number;
    }
    return SVN_INVALID_REVNUM;
}

apr_time_t
Revision::date() const
{
    return m_revision.value.date;
}

svn_opt_revision_kind
Revision::kind() const
{
    return m_revision.kind;
}

bool Revision::operator==(const Revision &r)const
{
    if (r.kind() != kind()) {
        return false;
    }
    if (m_revision.kind == svn_opt_revision_number) {
        return revnum() == r.revnum();
    } else if (m_revision.kind == svn_opt_revision_date) {
        return date() == r.date();
    }
    return true;
}

bool Revision::operator==(int value)const
{
    if (m_revision.kind != svn_opt_revision_number || value != revnum()) {
        return false;
    }
    return true;
}

bool Revision::operator!=(const svn_opt_revision_kind t)const
{
    return kind() != t;
}
bool Revision::operator==(const svn_opt_revision_kind t)const
{
    return kind() == t;
}

bool Revision::operator!()const
{
    return kind() == UNDEFINED;
}

bool Revision::operator!()
{
    return kind() == UNDEFINED;
}

Revision::operator bool()const
{
    return kind() != UNDEFINED;
}

Revision::operator bool()
{
    return kind() != UNDEFINED;
}

bool Revision::isRemote()const
{
    return kind() != UNDEFINED && kind() != BASE && kind() != WORKING;
}

bool Revision::isValid() const
{
    return kind() != UNDEFINED;
}
}

/* -----------------------------------------------------------------
 * local variables:
 * eval: (load-file "../../rapidsvn-dev.el")
 * end:
 */
