rosegarden/src/document/XmlStorableEvent.cpp

/*
    Rosegarden
    A MIDI and audio sequencer and musical notation editor.
 
    This program is Copyright 2000-2008
        Guillaume Laurent   <glaurent@telegraph-road.org>,
        Chris Cannam        <cannam@all-day-breakfast.com>,
        Richard Bown        <richard.bown@ferventsoftware.com>
 
    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
    Bown to claim authorship of this work have been asserted.
 
    Other copyrights also apply to some parts of this work.  Please
    see the AUTHORS file and individual file headers for details.
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/


#include "XmlStorableEvent.h"

#include "misc/Debug.h"
#include "misc/Strings.h"
#include "base/Event.h"
#include "base/NotationTypes.h"
#include "gui/editors/notation/NotationStrings.h"
#include <tqstring.h>


namespace Rosegarden
{

XmlStorableEvent::XmlStorableEvent(const TQXmlAttributes &attributes,
                                   timeT &absoluteTime)
{
    setDuration(0);

    for (int i = 0; i < attributes.length(); ++i) {

        TQString attrName(attributes.qName(i)),
        attrVal(attributes.value(i));

        if (attrName == "package") {

            RG_DEBUG << "XmlStorableEvent::XmlStorableEvent: Warning: XML still uses deprecated \"package\" attribute" << endl;

        } else if (attrName == "type") {

            setType(qstrtostr(attrVal));

        } else if (attrName == "subordering") {

            bool isNumeric = true;
            int o = attrVal.toInt(&isNumeric);

            if (!isNumeric) {
                RG_DEBUG << "XmlStorableEvent::XmlStorableEvent: Bad subordering: " << attrVal << endl;
            } else {
                if (o != 0)
                    setSubOrdering(o);
            }

        } else if (attrName == "duration") {

            bool isNumeric = true;
            timeT d = attrVal.toInt(&isNumeric);

            if (!isNumeric) {
                try {
                    Note n(NotationStrings::getNoteForName(attrVal));
                    setDuration(n.getDuration());
                } catch (NotationStrings::MalformedNoteName m) {
                    RG_DEBUG << "XmlStorableEvent::XmlStorableEvent: Bad duration: " << attrVal << " (" << m.getMessage() << ")" << endl;
                }
            } else {
                setDuration(d);
            }

        } else if (attrName == "absoluteTime") {

            bool isNumeric = true;
            timeT t = attrVal.toInt(&isNumeric);

            if (!isNumeric) {
                RG_DEBUG << "XmlStorableEvent::XmlStorableEvent: Bad absolute time: " << attrVal << endl;
            } else {
                absoluteTime = t;
            }

        } else if (attrName == "timeOffset") {

            bool isNumeric = true;
            timeT t = attrVal.toInt(&isNumeric);

            if (!isNumeric) {
                RG_DEBUG << "XmlStorableEvent::XmlStorableEvent: Bad time offset: " << attrVal << endl;
            } else {
                absoluteTime += t;
            }

        } else {

            // set generic property
            //
            TQString val(attrVal);

            // Check if boolean val
            TQString valLowerCase(val.lower());
            bool isNumeric;
            int numVal;

            if (valLowerCase == "true" || valLowerCase == "false") {

                set
                    <Bool>(qstrtostr(attrName), valLowerCase == "true");

            } else {

                // Not a bool, check if integer val
                numVal = val.toInt(&isNumeric);
                if (isNumeric) {
                    set
                        <Int>(qstrtostr(attrName), numVal);
                } else {
                    // not an int either, default to string
                    set
                        <String>(qstrtostr(attrName), qstrtostr(attrVal));
                }
            }
        }
    }

    setAbsoluteTime(absoluteTime);
}

XmlStorableEvent::XmlStorableEvent(Event &e) :
        Event(e)
{}

void
XmlStorableEvent::setPropertyFromAttributes(const TQXmlAttributes &attributes,
        bool persistent)
{
    bool have = false;
    TQString name = attributes.value("name");
    if (name == "") {
        RG_DEBUG << "XmlStorableEvent::setProperty: no property name found, ignoring" << endl;
        return ;
    }

    for (int i = 0; i < attributes.length(); ++i) {
        TQString attrName(attributes.qName(i)),
        attrVal(attributes.value(i));

        if (attrName == "name") {
            continue;
        } else if (have) {
            RG_DEBUG << "XmlStorableEvent::setProperty: multiple values found, ignoring all but the first" << endl;
            continue;
        } else if (attrName == "bool") {
            set
                <Bool>(qstrtostr(name), attrVal.lower() == "true",
                       persistent);
            have = true;
        } else if (attrName == "int") {
            set
                <Int>(qstrtostr(name), attrVal.toInt(), persistent);
            have = true;
        } else if (attrName == "string") {
            set
                <String>(qstrtostr(name), qstrtostr(attrVal), persistent);
            have = true;
        } else {
            RG_DEBUG << "XmlStorableEvent::setProperty: unknown attribute name \"" << name << "\", ignoring" << endl;
        }
    }

    if (!have)
        RG_DEBUG << "XmlStorableEvent::setProperty: Warning: no property value found for property " << name << endl;
}

}