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//=========================================================
// MusE
// Linux Music Editor
// $Id: midievent.cpp,v 1.7.2.2 2009/05/24 21:43:44 terminator356 Exp $
//
// (C) Copyright 2000-2003 Werner Schweer (ws@seh.de)
//=========================================================
#include "event.h"
#include "midievent.h"
#include "xml.h"
#include "mpevent.h"
#include "midictrl.h"
//---------------------------------------------------------
// MidiEventBase
//---------------------------------------------------------
MidiEventBase::MidiEventBase(EventType t)
: EventBase(t)
{
a = 0;
b = 0;
c = 0;
}
//---------------------------------------------------------
// MidiEventBase::mid
//---------------------------------------------------------
EventBase* MidiEventBase::mid(unsigned b, unsigned e)
{
if (tick() < b || tick() >= e)
return 0;
return new MidiEventBase(*this);
}
//---------------------------------------------------------
// isNoteOff
//---------------------------------------------------------
bool MidiEventBase::isNoteOff() const
{
return (type() == Note && (velo() == 0));
}
bool MidiEventBase::isNoteOff(const Event& e) const
{
return (e.isNoteOff() && (e.pitch() == a));
}
void MidiEventBase::dump(int n) const
{
EventBase::dump(n);
const char* p;
switch(type()) {
case Note: p = "Note "; break;
case Controller: p = "Ctrl "; break;
case Sysex: p = "Sysex "; break;
case PAfter: p = "PAfter "; break;
case CAfter: p = "CAfter "; break;
case Meta: p = "Meta "; break;
default: p = "?? "; break;
}
for (int i = 0; i < (n+2); ++i)
putchar(' ');
printf("<%s> a:0x%x(%d) b:0x%x(%d) c:0x%x(%d)\n",
p, a, a, b, b, c, c);
}
//---------------------------------------------------------
// MidiEventBase::write
//---------------------------------------------------------
//void MidiEventBase::write(int level, Xml& xml, const Pos& offset) const
void MidiEventBase::write(int level, Xml& xml, const Pos& offset, bool /*forcePath*/) const
{
xml.nput(level++, "<event tick=\"%d\"", tick() + offset.tick());
switch (type()) {
case Note:
xml.nput(" len=\"%d\"", lenTick());
break;
default:
xml.nput(" type=\"%d\"", type());
break;
}
// Changed by T356. BUG: *.med does not save meta event types - ID: 2879426
if (a)
xml.nput(" a=\"%d\"", a);
if (b)
xml.nput(" b=\"%d\"", b);
if (c)
xml.nput(" c=\"%d\"", c);
if (edata.dataLen) {
xml.nput(" datalen=\"%d\">\n", edata.dataLen);
xml.nput(level, "");
for (int i = 0; i < edata.dataLen; ++i)
xml.nput("%02x ", edata.data[i] & 0xff);
xml.nput("\n");
xml.tag(level, "/event");
}
else {
//if (a)
// xml.nput(" a=\"%d\"", a);
//if (b)
// xml.nput(" b=\"%d\"", b);
//if (c)
// xml.nput(" c=\"%d\"", c);
xml.nput(" />\n");
}
}
//---------------------------------------------------------
// MidiEventBase::read
//---------------------------------------------------------
void MidiEventBase::read(Xml& xml)
{
setType(Note);
a = 0;
b = 0;
c = 0;
int dataLen = 0;
for (;;) {
Xml::Token token = xml.parse();
const QString& tag = xml.s1();
switch (token) {
case Xml::Error:
case Xml::End:
return;
case Xml::TagStart:
xml.unknown("Event");
break;
case Xml::Text:
{
QByteArray ba = tag.toLatin1();
const char*s = ba.constData();
edata.data = new unsigned char[dataLen];
edata.dataLen = dataLen;
unsigned char* d = edata.data;
for (int i = 0; i < dataLen; ++i) {
char* endp;
*d++ = strtol(s, &endp, 16);
s = endp;
}
}
break;
case Xml::Attribut:
if (tag == "tick")
setTick(xml.s2().toInt());
else if (tag == "type")
setType(EventType(xml.s2().toInt()));
else if (tag == "len")
setLenTick(xml.s2().toInt());
else if (tag == "a")
a = xml.s2().toInt();
else if (tag == "b")
b = xml.s2().toInt();
else if (tag == "c")
c = xml.s2().toInt();
else if (tag == "datalen")
dataLen = xml.s2().toInt();
break;
case Xml::TagEnd:
if (tag == "event")
return;
default:
break;
}
}
}
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