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libcm/app/cmXScore.c

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#include "cmPrefix.h"
#include "cmGlobal.h"
#include "cmFloatTypes.h"
#include "cmRpt.h"
#include "cmErr.h"
#include "cmCtx.h"
#include "cmMem.h"
#include "cmMallocDebug.h"
#include "cmLinkedHeap.h"
#include "cmXml.h"
#include "cmText.h"
#include "cmXScore.h"
#include "cmTime.h"
#include "cmMidi.h"
cmXsH_t cmXsNullHandle = cmSTATIC_NULL_HANDLE;
enum
{
kSectionXsFl = 0x0001, // rvalue holds section number
kBarXsFl = 0x0002,
kRestXsFl = 0x0004,
kGraceXsFl = 0x0008,
kDotXsFl = 0x0010,
kChordXsFl = 0x0020,
kDynXsFl = 0x0040,
kEvenXsFl = 0x0080,
kTempoXsFl = 0x0100,
kPedalDnXsFl = 0x0200,
kPedalUpXsFl = 0x0400,
kPedalUpDnXsFl = 0x0800,
kMetronomeXsFl = 0x1000 // duration holds BPM
};
typedef struct cmXsNote_str
{
unsigned flags; // See k???XsFl
unsigned pitch; // midi pitch
unsigned tick; //
unsigned duration; // duration in ticks
unsigned rvalue; // 1/type = rythmic value (1/4=quarter note, 1/8=eighth note, ...)
struct cmXsNote_str* mlink; // measure note list
struct cmXsNote_str* slink; // time sorted event list
} cmXsNote_t;
typedef struct cmXsVoice_str
{
unsigned id; // Voice id
cmXsNote_t* noteL; // List of notes in this voice
struct cmXsVoice_str* link; // Link to other voices in this measure
} cmXsVoice_t;
typedef struct cmXsMeas_str
{
unsigned number; // Measure number
unsigned divisions;
unsigned beats;
unsigned beat_type;
cmXsVoice_t* voiceL; // List of voices in this measure
cmXsNote_t* noteL; // List of time sorted notes in this measure
struct cmXsMeas_str* link; // Link to other measures in this part.
} cmXsMeas_t;
typedef struct cmXsPart_str
{
const cmChar_t* idStr; // Id of this part
cmXsMeas_t* measL; // List of measures in this part.
struct cmXsPart_str* link; // Link to other parts in this score
} cmXsPart_t;
typedef struct
{
cmErr_t err;
cmXmlH_t xmlH;
cmLHeapH_t lhH;
cmXsPart_t* partL;
} cmXScore_t;
cmXScore_t* _cmXScoreHandleToPtr( cmXsH_t h )
{
cmXScore_t* p = (cmXScore_t*)h.h;
assert( p != NULL );
return p;
}
cmXsRC_t _cmXScoreFinalize( cmXScore_t* p )
{
cmXsRC_t rc = kOkXsRC;
// release the XML file
if( cmXmlIsValid(p->xmlH) )
cmXmlFree( &p->xmlH );
// release the local linked heap memory
if( cmLHeapIsValid(p->lhH) )
cmLHeapDestroy(&p->lhH);
cmMemFree(p);
return rc;
}
cmXsRC_t _cmXScoreMissingNode( cmXScore_t* p, const cmXmlNode_t* parent, const cmChar_t* label )
{
return cmErrMsg(&p->err,kSyntaxErrorXsRC,"Missing XML node '%s'. Parent line:%i",label,parent->line);
}
cmXsRC_t _cmXScoreMissingAttribute( cmXScore_t* p, const cmXmlNode_t* np, const cmChar_t* attrLabel )
{
return cmErrMsg(&p->err,kSyntaxErrorXsRC,"Missing XML attribute '%s' from node '%s'.",attrLabel,np->label);
}
cmXsVoice_t* _cmXScoreIdToVoice( cmXsMeas_t* meas, unsigned voiceId )
{
cmXsVoice_t* v = meas->voiceL;
for(; v!=NULL; v=v->link)
if( v->id == voiceId )
return v;
return NULL;
}
cmXsRC_t _cmXScorePushNote( cmXScore_t* p, cmXsMeas_t* meas, unsigned voiceId, cmXsNote_t* note )
{
cmXsVoice_t* v;
// get the voice recd
if((v = _cmXScoreIdToVoice(meas,voiceId)) == NULL)
{
// the voice recd doesn't exist for this voiceId - allocate one
v = cmLhAllocZ(p->lhH,cmXsVoice_t,1);
v->id = voiceId;
// add the voice record to the meas->voiceL
if( meas->voiceL == NULL )
meas->voiceL = v;
else
{
cmXsVoice_t* vp = meas->voiceL;
while( vp->link!=NULL )
vp = vp->link;
vp->link = v;
}
}
// add the note record to the end of meas->voiceL
if( v->noteL == NULL )
v->noteL = note;
else
{
cmXsNote_t* n = v->noteL;
while( n->mlink != NULL )
n = n->mlink;
n->mlink = note;
}
return kOkXsRC;
}
cmXsRC_t _cmXScoreParsePartList( cmXScore_t* p )
{
cmXsRC_t rc = kOkXsRC;
cmXsPart_t* lastPartPtr = NULL;
const cmXmlNode_t* xnp;
// find the 'part-list'
if((xnp = cmXmlSearch( cmXmlRoot(p->xmlH), "part-list", NULL, 0)) == NULL )
return _cmXScoreMissingNode(p,cmXmlRoot(p->xmlH),"part-list");
const cmXmlNode_t* cnp = xnp->children;
// for each child of the 'part-list'
for(; cnp!=NULL; cnp=cnp->sibling)
if( cmTextCmp( cnp->label, "score-part" ) == 0 )
{
const cmXmlAttr_t* a;
// find the 'score-part' id
if((a = cmXmlFindAttrib(cnp,"id")) == NULL )
return _cmXScoreMissingAttribute(p,cnp,"id");
// allocate a new part record
cmXsPart_t* pp = cmLhAllocZ(p->lhH,cmXsPart_t,1);
pp->idStr = a->value; // set the part id
// link the new part record to the end of the part list
if(lastPartPtr == NULL)
p->partL = pp;
else
lastPartPtr->link = pp;
lastPartPtr = pp;
}
return rc;
}
cmXsRC_t _cmXScoreParsePitch( cmXScore_t* p, const cmXmlNode_t* nnp, unsigned* midiPitchRef )
{
cmXsRC_t rc = kOkXsRC;
unsigned octave = 0;
double alter = 0;
const cmChar_t* step = NULL;
if((step = cmXmlNodeValue(nnp,"pitch","step",NULL)) == NULL )
return _cmXScoreMissingNode(p,nnp,"step");
if((rc = cmXmlNodeUInt( nnp,&octave,"pitch","octave",NULL)) != kOkXmlRC )
return _cmXScoreMissingNode(p,nnp,"octave");
cmXmlNodeDouble( nnp,&alter,"pitch","alter",NULL);
cmChar_t buf[3] = { *step, '0', '\0'};
unsigned midi = cmSciPitchToMidi(buf);
midi += (12 * octave);
midi += alter;
*midiPitchRef = midi;
return rc;
}
unsigned _cmXScoreParseNoteRValue( cmXScore_t* p, const cmXmlNode_t* nnp, const cmChar_t* label )
{
typedef struct map_str
{
unsigned rvalue;
const cmChar_t* label;
} map_t;
map_t mapV[] =
{
{ 1, "whole" },
{ 2, "half" },
{ 4, "quarter" },
{ 8, "eighth" },
{ 16, "16th" },
{ 32, "32nd" },
{ 64, "64th" },
{ 128, "128th" },
{ 0, "" }
};
const cmChar_t* str;
if((str = cmXmlNodeValue(nnp,label,NULL)) == NULL)
return 0;
unsigned i;
for(i=0; mapV[i].rvalue!=0; ++i)
if( cmTextCmp(mapV[i].label,str) == 0 )
return mapV[i].rvalue;
return 0;
}
cmXsRC_t _cmXScoreParseColor( cmXScore_t* p, const cmXmlNode_t* nnp, cmXsNote_t* note )
{
cmXsRC_t rc = kOkXsRC;
const cmXmlAttr_t* a;
typedef struct map_str
{
unsigned value;
const cmChar_t* label;
} map_t;
map_t mapV[] =
{
{ kEvenXsFl, "#0000FF" },
{ kTempoXsFl, "#00FF00" },
{ kDynXsFl, "#FF0000" },
{ kTempoXsFl | kEvenXsFl, "#00FFFF" },
{ kDynXsFl | kEvenXsFl, "#FF00FF" },
{ kDynXsFl | kTempoXsFl, "#FF7F00" },
{ kTempoXsFl | kEvenXsFl | kDynXsFl, "#996633" },
{ 0, "" }
};
if((a = cmXmlFindAttrib(nnp, "color" )) != NULL )
{
unsigned i;
for(i=0; mapV[i].value != 0; ++i)
if( cmTextCmp(a->value,mapV[i].label) == 0 )
{
note->flags += mapV[i].value;
break;
}
if( mapV[i].value == 0 )
rc = cmErrMsg(&p->err,kSyntaxErrorXsRC,"The note color '%s' was not found.",a->value);
}
return rc;
}
cmXsRC_t _cmXScoreParseNote(cmXScore_t* p, cmXsMeas_t* meas, const cmXmlNode_t* nnp, unsigned* tickRef )
{
cmXsRC_t rc = kOkXsRC;
cmXsNote_t* note = cmLhAllocZ(p->lhH,cmXsNote_t,1);
unsigned voiceId;
// get the voice id for this node
if( cmXmlNodeUInt(nnp,&voiceId,"voice",NULL) != kOkXmlRC )
return _cmXScoreMissingNode(p,nnp,"voice");
// if this note has a pitch
if( cmXmlNodeHasChild(nnp,"pitch",NULL) )
if((rc = _cmXScoreParsePitch(p,nnp,&note->pitch)) != kOkXsRC )
return rc;
// get the note duration
cmXmlNodeUInt(nnp,&note->duration,"duration",NULL);
// is 'rest'
if( cmXmlNodeHasChild(nnp,"rest",NULL) )
note->flags |= kRestXsFl;
// is 'grace'
if( cmXmlNodeHasChild(nnp,"grace",NULL) )
note->flags |= kGraceXsFl;
// is 'dot'
if( cmXmlNodeHasChild(nnp,"dot",NULL) )
note->flags |= kDotXsFl;
// is 'chord'
if( cmXmlNodeHasChild(nnp,"chord",NULL) )
note->flags |= kChordXsFl;
// set color coded flags
if((rc = _cmXScoreParseColor(p, nnp, note )) != kOkXsRC )
return rc;
// get the note's rythmic value
if((note->rvalue = _cmXScoreParseNoteRValue(p,nnp,"type")) == 0 )
return _cmXScoreMissingNode(p,nnp,"type");
note->tick = *tickRef;
if( cmIsNotFlag(note->flags,kChordXsFl) )
*tickRef += note->duration;
return _cmXScorePushNote(p, meas, voiceId, note );
}
cmXsRC_t _cmXScorePushNonNote( cmXScore_t* p, cmXsMeas_t* meas, unsigned tick, unsigned duration, unsigned rvalue, unsigned flags )
{
cmXsNote_t* note = cmLhAllocZ(p->lhH,cmXsNote_t,1);
unsigned voiceId = 0; // non-note's are always assigned to voiceId=0;
note->tick = tick;
note->flags = flags;
note->rvalue = rvalue;
note->duration = duration;
return _cmXScorePushNote(p, meas, voiceId, note );
}
cmXsRC_t _cmXScoreParseDirection(cmXScore_t* p, cmXsMeas_t* meas, const cmXmlNode_t* dnp, unsigned tick)
{
const cmXmlNode_t* np = NULL;
const cmXmlAttr_t* a = NULL;
unsigned flags = 0;
int offset = 0;
unsigned rvalue = 0;
unsigned duration = 0;
cmXmlNodeInt(dnp, &offset, "offset", NULL );
// if this is a metronome direction
if((np = cmXmlSearch( dnp, "metronome", NULL, 0)) != NULL )
{
if( cmXmlNodeUInt(np,&duration,"per-minute",NULL) != kOkXmlRC )
return cmErrMsg(&p->err,kSyntaxErrorXsRC,"The 'per-minute' metronome value is missing on line %i.",np->line);
if((rvalue = _cmXScoreParseNoteRValue(p,np,"beat-unit")) == 0 )
return cmErrMsg(&p->err,kSyntaxErrorXsRC,"The 'beat-unit' metronome value is missing on line %i.",np->line);
flags = kMetronomeXsFl;
}
else
// if this is a pedal direction
if((np = cmXmlSearch( dnp, "pedal",NULL,0)) != NULL )
{
if((a = cmXmlFindAttrib(np,"type")) == NULL )
return _cmXScoreMissingAttribute(p, np, "type" );
if( cmTextCmp(a->value,"start") == 0 )
flags = kPedalDnXsFl;
else
if( cmTextCmp(a->value,"change") == 0 )
flags = kPedalUpDnXsFl;
else
if( cmTextCmp(a->value,"stop") == 0 )
flags = kPedalUpXsFl;
else
return cmErrMsg(&p->err,kSyntaxErrorXsRC,"Unrecognized pedal type:'%s'.",cmStringNullGuard(a->value));
}
else
// if this is a 'words' direction
if((np = cmXmlSearch( dnp, "words", NULL, 0)) != NULL )
{
if((a = cmXmlFindAttrib(np,"enclosure")) != NULL && cmTextCmp(a->value,"rectangle")==0 )
{
if( cmXmlNodeUInt(np,&rvalue,NULL) != kOkXsRC )
return cmErrMsg(&p->err,kSyntaxErrorXsRC,"Error reading section number on line %i.",np->line);
printf("rvalue=%i\n",rvalue);
flags = kSectionXsFl;
}
}
return _cmXScorePushNonNote(p,meas,tick+offset,duration,rvalue,flags);
}
cmXsRC_t _cmXScoreParseMeasure(cmXScore_t* p, cmXsPart_t* pp, const cmXmlNode_t* mnp)
{
cmXsRC_t rc = kOkXsRC;
const cmXmlNode_t* np = NULL;
unsigned tick = 0;
// allocate the 'measure' record
cmXsMeas_t* meas = cmLhAllocZ(p->lhH,cmXsMeas_t,1);
// get measure number
if( cmXmlAttrUInt(mnp,"number", &meas->number) != kOkXmlRC )
return _cmXScoreMissingAttribute(p,mnp,"number");
if( pp->measL == NULL )
pp->measL = meas;
else
{
cmXsMeas_t* m = pp->measL;
while( m->link != NULL )
m = m->link;
m->link = meas;
}
// get measure attributes node
if((np = cmXmlSearch(mnp,"attributes",NULL,0)) == NULL)
return rc; // (this measure does not have any attributes)
cmXmlNodeUInt(np,&meas->divisions,"divisions",NULL);
cmXmlNodeUInt(np,&meas->beats, "time","beats",NULL);
cmXmlNodeUInt(np,&meas->beat_type,"time","beat-type",NULL);
// store the bar line
if((rc = _cmXScorePushNonNote(p,meas,tick,0,0,kBarXsFl)) != kOkXsRC )
return rc;
np = mnp->children;
// for each child of the 'meas' XML node
for(; rc==kOkXsRC && np!=NULL; np=np->sibling)
{
// if this is a 'note' node
if( cmTextCmp(np->label,"note") == 0 )
{
rc = _cmXScoreParseNote(p,meas,np,&tick);
}
else
// if this is a 'backup' node
if( cmTextCmp(np->label,"backup") == 0 )
{
unsigned backup;
cmXmlNodeUInt(np,&backup,"duration",NULL);
tick -= backup;
}
else
// if this is a 'direction' node
if( cmTextCmp(np->label,"direction") == 0 )
{
rc = _cmXScoreParseDirection(p,meas,np,tick);
}
}
return rc;
}
cmXsRC_t _cmXScoreParsePart( cmXScore_t* p, cmXsPart_t* pp )
{
cmXsRC_t rc = kOkXsRC;
const cmXmlNode_t* xnp;
cmXmlAttr_t partAttr = { "id", pp->idStr };
// find the 'part'
if((xnp = cmXmlSearch( cmXmlRoot(p->xmlH), "part", &partAttr, 1)) == NULL )
return cmErrMsg(&p->err,kSyntaxErrorXsRC,"The part '%s' was not found.",pp->idStr);
// for each child of this part - find each measure
const cmXmlNode_t* cnp = xnp->children;
for(; cnp!=NULL; cnp=cnp->sibling)
if( cmTextCmp(cnp->label,"measure") == 0 )
if((rc = _cmXScoreParseMeasure(p,pp,cnp)) != kOkXsRC )
return rc;
return rc;
}
cmXsNote_t* _cmXScoreInsertSortedNote( cmXsNote_t* s0, cmXsNote_t* np )
{
if( s0 == NULL )
return np;
if( np->tick < s0->tick )
{
np->slink = s0;
return np;
}
cmXsNote_t* s1 = s0;
cmXsNote_t* s2 = s0->slink;
while( s2 != NULL )
{
if( s2->tick > np->tick )
{
s1->slink = np;
np->slink = s2;
return s0;
}
s1 = s2;
s2 = s2->slink;
}
s1->slink = np;
return s0;
}
void _cmXScoreSort( cmXScore_t* p )
{
cmXsPart_t* pp = p->partL;
for(; pp!=NULL; pp=pp->link)
{
cmXsMeas_t* mp = pp->measL;
for(; mp!=NULL; mp=mp->link)
{
// for each voice in this measure
cmXsVoice_t* vp = mp->voiceL;
for(; vp!=NULL; vp=vp->link)
{
cmXsNote_t* np = vp->noteL;
for(; np!=NULL; np=np->mlink)
mp->noteL = _cmXScoreInsertSortedNote(mp->noteL,np);
}
}
}
}
cmXsRC_t cmXScoreInitialize( cmCtx_t* ctx, cmXsH_t* hp, const cmChar_t* xmlFn )
{
cmXsRC_t rc = kOkXsRC;
if((rc = cmXScoreFinalize(hp)) != kOkXsRC )
return rc;
cmXScore_t* p = cmMemAllocZ(cmXScore_t,1);
cmErrSetup(&p->err,&ctx->rpt,"XScore");
// create a local linked heap
if( cmLHeapIsValid( p->lhH = cmLHeapCreate(8196,ctx)) == false )
return cmErrMsg(&p->err,kLHeapFailXsRC,"Lheap create failed.");
// open the music xml file
if( cmXmlAlloc(ctx, &p->xmlH, xmlFn) != kOkXmlRC )
{
rc = cmErrMsg(&p->err,kXmlFailXsRC,"Unable to open the MusicXML file '%s'.",cmStringNullGuard(xmlFn));
goto errLabel;
}
// parse the part-list
if((rc = _cmXScoreParsePartList( p )) != kOkXsRC )
goto errLabel;
// parse each score 'part'
cmXsPart_t* pp = p->partL;
for(; pp!=NULL; pp=pp->link)
if((rc = _cmXScoreParsePart(p,pp)) != kOkXsRC )
goto errLabel;
// fill in the note->slink chain to link the notes in each measure in time order
_cmXScoreSort(p);
errLabel:
if( rc != kOkXsRC )
_cmXScoreFinalize(p);
else
hp->h = p;
return rc;
}
cmXsRC_t cmXScoreFinalize( cmXsH_t* hp )
{
cmXsRC_t rc = kOkXsRC;
if( hp == NULL || cmXScoreIsValid(*hp)==false )
return kOkXsRC;
cmXScore_t* p = _cmXScoreHandleToPtr(*hp);
if((rc = _cmXScoreFinalize(p)) != kOkXsRC )
return rc;
hp->h = NULL;
return rc;
}
bool cmXScoreIsValid( cmXsH_t h )
{ return h.h != NULL; }
void _cmXScoreReportNote( cmRpt_t* rpt, const cmXsNote_t* note )
{
const cmChar_t* B = cmIsFlag(note->flags,kBarXsFl) ? "|" : "-";
const cmChar_t* R = cmIsFlag(note->flags,kRestXsFl) ? "R" : "-";
const cmChar_t* G = cmIsFlag(note->flags,kGraceXsFl) ? "G" : "-";
const cmChar_t* D = cmIsFlag(note->flags,kDotXsFl) ? "D" : "-";
const cmChar_t* C = cmIsFlag(note->flags,kChordXsFl) ? "C" : "-";
const cmChar_t* e = cmIsFlag(note->flags,kEvenXsFl) ? "e" : "-";
const cmChar_t* d = cmIsFlag(note->flags,kDynXsFl) ? "d" : "-";
const cmChar_t* t = cmIsFlag(note->flags,kTempoXsFl) ? "t" : "-";
const cmChar_t* P = cmIsFlag(note->flags,kPedalDnXsFl) ? "V" : "-";
P = cmIsFlag(note->flags,kPedalUpXsFl) ? "^" : P;
P = cmIsFlag(note->flags,kPedalUpDnXsFl) ? "X" : P;
const cmChar_t* N = note->pitch==0 ? " " : cmMidiToSciPitch( note->pitch, NULL, 0 );
cmRptPrintf(rpt," %5i %5i %2i %3s %s%s%s%s%s%s%s%s%s",note->tick,note->duration,note->rvalue,N,B,R,G,D,C,e,d,t,P);
if( cmIsFlag(note->flags,kSectionXsFl) )
cmRptPrintf(rpt," %i",note->rvalue);
printf("\n");
}
void cmXScoreReport( cmXsH_t h, cmRpt_t* rpt, bool sortFl )
{
cmXScore_t* p = _cmXScoreHandleToPtr(h);
cmXsPart_t* pp = p->partL;
for(; pp!=NULL; pp=pp->link)
{
cmRptPrintf(rpt,"Part:%s\n",pp->idStr);
const cmXsMeas_t* meas = pp->measL;
for(; meas!=NULL; meas=meas->link)
{
cmRptPrintf(rpt," %i : div:%i beat:%i beat-type:%i\n",meas->number,meas->divisions,meas->beats,meas->beat_type);
if( sortFl )
{
const cmXsNote_t* note = meas->noteL;
for(; note!=NULL; note=note->slink)
_cmXScoreReportNote(rpt,note);
}
else
{
const cmXsVoice_t* v = meas->voiceL;
for(; v!=NULL; v=v->link)
{
const cmXsNote_t* note = v->noteL;
cmRptPrintf(rpt," voice:%i\n",v->id);
for(; note!=NULL; note=note->mlink)
_cmXScoreReportNote(rpt,note);
}
}
}
}
}
cmXsRC_t cmXScoreTest( cmCtx_t* ctx, const cmChar_t* fn )
{
cmXsRC_t rc;
cmXsH_t h = cmXsNullHandle;
if((rc = cmXScoreInitialize( ctx, &h, fn)) != kOkXsRC )
return cmErrMsg(&ctx->err,rc,"XScore alloc failed.");
cmXScoreReport(h,&ctx->rpt,true);
return cmXScoreFinalize(&h);
}
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