libcm/app/cmXScore.c

#include "cmPrefix.h"
#include "cmGlobal.h"
#include "cmFloatTypes.h"
#include "cmComplexTypes.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"
#include "cmMidiFile.h"
#include "cmLex.h"
#include "cmCsv.h"
#include "cmSymTbl.h"
#include "cmScore.h"

#include "cmFile.h"
#include "cmSymTbl.h"
#include "cmAudioFile.h"
#include "cmAudioFile.h"
#include "cmProcObj.h"
#include "cmProcTemplate.h"
#include "cmProc.h"
#include "cmProc2.h"
#include "cmProc5.h"

cmXsH_t cmXsNullHandle = cmSTATIC_NULL_HANDLE;

enum
{
  kSectionXsFl   = 0x00001,  // rvalue holds section number
  kBarXsFl       = 0x00002,
  kRestXsFl      = 0x00004,
  kGraceXsFl     = 0x00008,
  kDotXsFl       = 0x00010,
  kChordXsFl     = 0x00020,
  kDynXsFl       = 0x00040,
  kEvenXsFl      = 0x00080,
  kTempoXsFl     = 0x00100,
  kHeelXsFl      = 0x00200,
  kTieBegXsFl    = 0x00400,
  kTieEndXsFl    = 0x00800,
  kTieProcXsFl   = 0x01000,
  kPedalDnXsFl   = 0x02000,
  kPedalUpXsFl   = 0x04000,
  kPedalUpDnXsFl = 0x08000,
  kMetronomeXsFl = 0x10000,  // duration holds BPM
  kOnsetXsFl     = 0x20000,  // this is a sounding note
  kBegGroupXsFl  = 0x40000,
  kEndGroupXsFl  = 0x80000
};

struct cmXsMeas_str;
struct cmXsVoice_str;

typedef struct cmXsNote_str
{
  unsigned                    uid;      // unique id of this note record
  unsigned                    flags;    // See k???XsFl
  unsigned                    pitch;    // midi pitch
  unsigned                    velocity; // midi velocity
  unsigned                    dynamics; // dynamic level 1=pppp 9=fff
  cmChar_t                    step;     // A-G
  unsigned                    octave;   // sci pitch octave
  int                         alter;    // +n=sharps,-n=flats
  unsigned                    staff;    // 1=treble 2=bass
  unsigned                    tick;     //
  unsigned                    duration; // duration in ticks
  double                      secs;     // absolute time in seconds
  double                      dsecs;    // delta time in seconds since previous event
  unsigned                    locIdx;   // location index (chords share the same location index)
  double                      rvalue;   // 1/rvalue = rythmic value (1/0.5 double whole 1/1 whole 1/2 half 1/4=quarter note, 1/8=eighth note, ...)
  const cmChar_t*             tvalue;   // text value

  unsigned                    evenGroupId;   // eveness group id
  unsigned                    dynGroupId;    // dynamics group id
  unsigned                    tempoGroupId;  // tempo group id

  struct cmXsVoice_str*       voice;    // voice this note belongs to
  struct cmXsMeas_str*        meas;     // measure this note belongs to

  const cmXmlNode_t*          xmlNode;  // note xml ptr

  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 cmXsSpan_str
{
  unsigned             staff;
  unsigned             number;
  struct cmXsMeas_str* meas;
  unsigned             tick0;
  unsigned             tick1;
  int                  pitch_offset;
  struct cmXsSpan_str* link;
} cmXsSpan_t;

typedef struct cmXsMeas_str
{
  unsigned number;      // Measure number
  unsigned divisions;   // ticks-per-quarter-note
  unsigned beats;       // beats per measure
  unsigned beat_type;   // whole/half/quarter/eighth ...

  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;
  cmCsvH_t    csvH;

  cmXsSpan_t* spanL;
  unsigned    nextUid;
} 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
  cmXmlFree( &p->xmlH );

  // release the local linked heap memory
  cmLHeapDestroy(&p->lhH);

  // release the CSV output object
  cmCsvFinalize(&p->csvH);

  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;
  }

  note->voice = v;
  note->uid   = p->nextUid++;

  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, cmXsNote_t* np )
{
  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;

  np->pitch  = midi;
  np->step   = *step;
  np->octave = octave;
  np->alter  = alter;
  np->flags |= kOnsetXsFl;

  return rc;
}

cmXsRC_t  _cmXScoreParseNoteRValue( cmXScore_t* p, const cmXmlNode_t* nnp, const cmChar_t* label, double* rvalueRef )
{
  typedef struct map_str
  {
    double         rvalue;
    const cmChar_t* label;
  } map_t;

  map_t mapV[] =
  {
    {-1.0, "measure" },  // whole measure rest
    { 0.5, "breve"   },  // double whole
    { 1.0, "whole"   },
    { 2.0, "half"    },
    { 4.0, "quarter" },
    { 8.0, "eighth"  },
    {16.0, "16th"    },
    {32.0, "32nd"    },
   { 64.0, "64th"    },
   {128.0, "128th"   },
   {  0.0, ""        }
  };

  const cmChar_t* str;
  // get the XML rvalue label
  if((str = cmXmlNodeValue(nnp,label,NULL)) == NULL)
  {
    if((nnp = cmXmlSearch(nnp,"rest",NULL,0)) != NULL )
    {
      const cmXmlAttr_t* a;
      if((a = cmXmlFindAttrib(nnp,"measure")) != NULL && cmTextCmp(a->value,"yes")==0)
      {
        *rvalueRef = -1;
        return kOkXsRC;
      }
    }

    return cmErrMsg(&p->err,kSyntaxErrorXsRC,"The 'beat-unit' metronome value is missing on line %i.",nnp->line);
  }

  unsigned i;
  // lookup the rvalue numeric value from the mapV[] table
  for(i=0; mapV[i].rvalue!=0; ++i)
    if( cmTextCmp(mapV[i].label,str) == 0 )
    {
      *rvalueRef = mapV[i].rvalue;
      return kOkXsRC;
    }

  // the rvalue label was not found
  return cmErrMsg(&p->err,kSyntaxErrorXsRC,"Unknown rvalue type='%s'.",str);
}

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" },  // blue (even)
    { kTempoXsFl,                        "#00FF00" },  // green (tempo)
    { kDynXsFl,                          "#FF0000" },  // red   (dynamics)
    { kTempoXsFl | kEvenXsFl,            "#00FFFF" },  // green + blue (turquoise)
    { kDynXsFl   | kEvenXsFl,            "#FF00FF" },  // red   + blue
    { kDynXsFl   | kEvenXsFl,            "#FF0CF7" },  // magenta (even+dyn)
    { kDynXsFl   | kTempoXsFl,           "#FF7F00" },  // red   + green (brown)
    { kTempoXsFl | kEvenXsFl | kDynXsFl, "#996633" },  // (purple)
    { kDynXsFl,                          "#FF6A03" },  //   176 orange  (dynamics)
    { kEvenXsFl,                         "#2F00E8" },  //  1001 blue (even)
    { kTempoXsFl,                        "#01CD1F" },  //  1196 green   (tempo)
    { kEvenXsFl,                         "#3600E8" },  //  1627 blue (even)
    { kDynXsFl | kTempoXsFl,             "#9E8F15" },  //  8827 brown (dyn + tempo)
    { kEvenXsFl,                         "#2E00E6" },  //  5393 blue (even)
    { kEvenXsFl,                         "#2C00DD" },  //  5895 blue (even)
    { kDynXsFl,                          "#FF5B03" },  //  6498 orange (dyn)
    { kDynXsFl,                          "#FF6104" },  //  6896 orange
    { kEvenXsFl,                         "#2A00E6" },  //  7781 blue
    { kEvenXsFl,                         "#2300DD" },  //  8300 blue (even)
    { kTempoXsFl,                        "#03CD22" },  // 10820 green (tempo)
    { kEvenXsFl,                         "#3400DB" },  // 11627 blue (dyn)
    { -1, "" }
  };

  /*
    orange  #FF6A03
    magenta #FF0CF7
    blue    #2F00E8
    green   #01CD1F
    gold    #9E8F15
    green   #03CD22
   */

  if((a = cmXmlFindAttrib(nnp, "color" )) != NULL )
  {
    unsigned i;
    for(i=0; mapV[i].value != -1; ++i)
      if( cmTextCmp(a->value,mapV[i].label) == 0 )
      {
        note->flags += mapV[i].value;
        break;
      }

    if( mapV[i].value == -1 )
      cmErrMsg(&p->err,kSyntaxErrorXsRC,"The note color '%s' was not found on line %i.",a->value,nnp->line);
  }

  return rc;
}

// On input tick0Ref is set to the tick of the previous event.
// On input tickRef is set to the tick of this event.
// On output tick0Ref is set to the tick of this event.
// On output tickRef is set to the tick of the next event.
cmXsRC_t _cmXScoreParseNote(cmXScore_t* p, cmXsMeas_t* meas, const cmXmlNode_t* nnp, unsigned* tick0Ref, unsigned* tickRef )
{
  cmXsRC_t    rc   = kOkXsRC;
  cmXsNote_t* note = cmLhAllocZ(p->lhH,cmXsNote_t,1);
  unsigned    voiceId;

  note->meas    = meas;
  note->xmlNode = nnp;

  // 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)) != kOkXsRC )
      return rc;


  cmXmlNodeUInt(nnp,&note->duration,"duration",NULL);  // get the note duration
  cmXmlNodeUInt(nnp,&note->staff,"staff",NULL);        // get th staff number

  // 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;

  // is this is first note in a tied pair
  if( cmXmlNodeHasChildWithAttrAndValue(nnp,"tie","type","start",NULL) )
    note->flags |= kTieBegXsFl;

  // is this is second note in a tied pair
  if( cmXmlNodeHasChildWithAttrAndValue(nnp,"tie","type","stop",NULL) )
    note->flags |= kTieEndXsFl;

  // has 'heel' mark
  if( cmXmlNodeHasChild(nnp,"notations","technical","heel",NULL) )
    note->flags |= kHeelXsFl;

  // set color coded flags
  if((rc = _cmXScoreParseColor(p, nnp, note )) != kOkXsRC )
    return rc;

  // get the note's rythmic value
  if((rc =  _cmXScoreParseNoteRValue(p,nnp,"type",&note->rvalue)) != kOkXsRC )
    return rc;


  // if this is a chord note
  if( cmIsFlag(note->flags,kChordXsFl) )
  {
    note->tick = *tick0Ref; // then use the onset time from the previous note and do not advance time
  }
  else
  {
    *tick0Ref  = *tickRef;
    note->tick = *tickRef;

    *tickRef += note->duration;
  }

  return _cmXScorePushNote(p, meas, voiceId, note );
}

cmXsRC_t _cmXScorePushNonNote( cmXScore_t* p, cmXsMeas_t* meas, const cmXmlNode_t* noteXmlNode, unsigned tick, unsigned duration, double rvalue, const cmChar_t* tvalue, 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->tvalue   = tvalue;
  note->duration = duration;
  note->meas     = meas;
  note->xmlNode  = noteXmlNode;

  return _cmXScorePushNote(p, meas, voiceId, note );
}

cmXsSpan_t* _cmXScoreFindOpenOctaveShift( cmXScore_t* p, unsigned staff, unsigned number )
{
  cmXsSpan_t* s = p->spanL;
  for(; s!=NULL; s=s->link)
    if( s->tick1 == -1 && s->staff == staff && s->number == number )
      return s;

  return NULL;
}

cmXsRC_t _cmXScorePushOctaveShift(cmXScore_t* p, cmXsMeas_t* meas, unsigned staff, unsigned span_number, const cmChar_t* type_str, unsigned tick)
{
  assert( meas != NULL);

  cmXsSpan_t* s;
  if( cmTextCmp(type_str,"stop") == 0 )
  {
    if((s = _cmXScoreFindOpenOctaveShift(p,staff,span_number)) == NULL )
      return cmErrWarnMsg(&p->err,kUnterminatedOctaveShiftXsrRC,"An illegal octave shift was encounted in meas %i.\n",meas->number);

    s->tick1 = tick;
  }
  else
  {
    s               = cmLhAllocZ(p->lhH,cmXsSpan_t,1);
    s->staff        = staff;
    s->meas         = meas;
    s->number       = span_number;
    s->tick0        = tick;
    s->tick1        = -1;
    s->pitch_offset = cmTextCmp(type_str,"up")==0 ? -12 : 12;
    s->link         = p->spanL;
    p->spanL        = s;
  }

  return kOkXsRC;
}


cmXsRC_t  _cmXScoreParseDirection(cmXScore_t* p, cmXsMeas_t* meas, const cmXmlNode_t* dnp, unsigned tick)
{
  cmXsRC_t           rc       = kOkXsRC;
  const cmXmlNode_t* np       = NULL;
  const cmXmlAttr_t* a        = NULL;
  unsigned           flags    = 0;
  int                offset   = 0;
  double             rvalue   = 0;
  const cmChar_t*    tvalue   = NULL;
  unsigned           duration = 0;
  bool               pushFl   = true;
  unsigned           staff    = 0;

  cmXmlNodeInt( dnp, &offset, "offset", NULL );
  cmXmlNodeUInt(dnp, &staff,  "staff",  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((rc = _cmXScoreParseNoteRValue(p,np,"beat-unit",&rvalue)) != kOkXsRC )
      return rc;

    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( cmTextIsEmpty( tvalue = np->dataStr ) )
        return cmErrMsg(&p->err,kSyntaxErrorXsRC,"Section number is blank or missing on line %i.",np->line);

      flags = kSectionXsFl;
    }
  }
  else

  // if this is an 'octave-shift' direction
  if((np = cmXmlSearch( dnp, "octave-shift", NULL, 0)) != NULL )
  {
    unsigned span_number = -1;
    if( cmXmlAttrUInt(np,"number",&span_number) != kOkXmlRC )
      return cmErrMsg(&p->err,kSyntaxErrorXsRC,"Octave-shift is missing a 'number' attribute.");


    if((a = cmXmlFindAttrib(np,"type")) == NULL)
      return cmErrMsg(&p->err,kSyntaxErrorXsRC,"Octave-shift is missing a 'type' attribute.");


    rc = _cmXScorePushOctaveShift(p,meas,staff,span_number,a->value,tick+offset);

    pushFl = false;
  }
  else
  {
    pushFl = false;
  }

  if( pushFl )
   rc = _cmXScorePushNonNote(p,meas,dnp,tick+offset,duration,rvalue,tvalue,flags);

  return rc;
}


// On input tickRef is set to the absolute tick of the bar line and on output it is set
// to the absolute tick of the next bar line.
cmXsRC_t _cmXScoreParseMeasure(cmXScore_t* p, cmXsPart_t* pp, const cmXmlNode_t* mnp, unsigned* tickRef)
{
  cmXsRC_t           rc   = kOkXsRC;
  const cmXmlNode_t* np   = NULL;
  unsigned           tick = *tickRef;
  unsigned           tick0= 0;
  cmXsMeas_t*        m    = NULL;

  // 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
  {
    m = pp->measL;
    while( m->link != NULL )
      m = m->link;

    m->link         = meas;
    meas->divisions = m->divisions;
    meas->beats     = m->beats;
    meas->beat_type = m->beat_type;
  }

  // get measure attributes node
  if((np = cmXmlSearch(mnp,"attributes",NULL,0)) != NULL)
  {
    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,mnp,tick,0,0,NULL,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,&tick0,&tick);
    }
    else
      // if this is a 'backup' node
      if( cmTextCmp(np->label,"backup") == 0 )
      {
        unsigned backup;
        cmXmlNodeUInt(np,&backup,"duration",NULL);
        if( backup > tick )
          tick = 0;
        else
          tick -= backup;

        tick0 = tick;
      }
      else
        // if this is a 'direction' node
        if( cmTextCmp(np->label,"direction") == 0 )
        {
          rc = _cmXScoreParseDirection(p,meas,np,tick);
        }

  }

  *tickRef = 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 };
  unsigned           barTick   = 0;
  // 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,&barTick)) != kOkXsRC )
        return rc;

  return rc;
}

// Insert note 'np' into the sorted note list based at 's0'.
// Return a pointer to the base of the list after the insertion.
cmXsNote_t*  _cmXScoreInsertSortedNote( cmXsNote_t* s0, cmXsNote_t* np )
{
  assert( np != NULL );

  // np->slink is not NULL if the list is being resorted
  np->slink = NULL;

  // this list is empty so np is the first element on the list
  if( s0 == NULL )
    return np;

  // np is before the first element on the list
  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 )
{
  // for each part
  cmXsPart_t* pp = p->partL;
  for(; pp!=NULL; pp=pp->link)
  {
    // for each measure in this part
    cmXsMeas_t* mp = pp->measL;
    for(; mp!=NULL; mp=mp->link)
    {
      // explicitely set noteL to NULL to in case we are re-sorting
      mp->noteL = NULL;

      // for each voice in this measure
      cmXsVoice_t* vp = mp->voiceL;
      for(; vp!=NULL; vp=vp->link)
      {
        // for each note in this measure
        cmXsNote_t* np = vp->noteL;
        for(; np!=NULL; np=np->mlink)
          mp->noteL = _cmXScoreInsertSortedNote(mp->noteL,np);
      }
    }
  }
}

void _cmXScoreSetAbsoluteTime( cmXScore_t* p )
{
  double          tpqn         = 0; // ticks per quarter note
  double          tps          = 0; // ticks per second
  unsigned        metro_tick   = 0;
  double          metro_sec    = 0;
  double          sec0         = 0;

  cmXsPart_t* pp = p->partL;
  for(; pp!=NULL; pp=pp->link)
  {
    cmXsMeas_t* mp = pp->measL;
    for(; mp!=NULL; mp=mp->link)
    {
      if( mp->divisions != 0 )
        tpqn = mp->divisions;

      cmXsNote_t* np = mp->noteL;

      for(; np!=NULL; np=np->slink)
      {

        // Seconds are calculated as:
        // dticks = np->tick - metro_tick;     // where metro_tick is the absolute tick of the last metro event
        // secs   = (dticks/tps) + metro_secs; // where metro_secs is the absoute time of the last metro event

        unsigned dticks = np->tick - metro_tick;
        double   secs   = tps==0 ? 0 : (dticks/tps) + metro_sec;
        double   dsecs  = secs - sec0;

        //
        if( cmIsFlag(np->flags,kMetronomeXsFl) )
        {
          double bpm = np->duration;
          double bps = bpm / 60.0;
          tps        = bps * tpqn;
          metro_tick = np->tick;
          metro_sec  = secs;
        }

        if( cmIsFlag(np->flags,kBarXsFl|kPedalDnXsFl|kPedalUpXsFl|kPedalUpDnXsFl|kOnsetXsFl|kSectionXsFl) )
        {
          np->secs  = secs;
          np->dsecs = dsecs;
          sec0      = secs;
        }
      }
    }
  }
}

// All notes in a[aN] are on the same tick
unsigned  _cmXsSpreadGraceNotes( cmXsNote_t** a, unsigned aN )
{
  unsigned i;
  bool barFl = false;

  // set barFl to true if a bar marker is included in the notes
  for(i=0; i<aN; ++i)
    if( cmIsFlag(a[i]->flags,kBarXsFl) )
      barFl = true;

  // spread any grace notes by one tick
  unsigned nextGraceTick = UINT_MAX;
  for(i=0; i<aN; ++i)
    if( cmIsFlag(a[i]->flags,kGraceXsFl) )
    {
      if( nextGraceTick == UINT_MAX )
        nextGraceTick = a[i]->tick + 1;
      else
      {
        a[i]->tick     = nextGraceTick;
        nextGraceTick += 1;
      }
    }

  // if this tick group includes the bar ...
  if( barFl && nextGraceTick != UINT_MAX )
  {
    // ... then move all non-grace note events (except the bar marker) after
    // the grace notes
    for(i=0; i<aN; ++i)
      if( cmIsNotFlag(a[i]->flags,kGraceXsFl) && cmIsNotFlag(a[i]->flags,kBarXsFl) )
        a[i]->tick = nextGraceTick;
  }

  return nextGraceTick==UINT_MAX ? 0 : nextGraceTick;
}

void _cmXScoreSpreadGraceNotes( cmXScore_t* p )
{
  cmXsPart_t* pp = p->partL;
  for(; pp!=NULL; pp=pp->link)
  {
    // tick1 is the location of the minimum current tick
    // (or 0 if it should be ignored)
    unsigned    tick1 = 0;

    cmXsMeas_t* mp = pp->measL;
    for(; mp!=NULL; mp=mp->link)
    {
      cmXsNote_t* np = mp->noteL;
      unsigned    aN = 128;
      cmXsNote_t* a[ aN ];
      unsigned    ai = 0;

      // The first event in a measure may have been forced ahead
      // by spreading at the end of the previous measure
      if( tick1 > np->tick )
        np->tick = tick1;
      else
        tick1 = 0;

      // tick0 is the tick of the current tick group we are examining
      // A tick group is a group of events that share the same tick.
      unsigned    tick0 = np->tick;

      for(; np!=NULL; np=np->slink)
      {
        // if this event is the first of a new tick group
        if( np->tick != tick0 )
        {
          // if there is more than one event in the completed tick group ...
          if( ai > 1 )
            tick1 = _cmXsSpreadGraceNotes(a,ai); // ... then process the group


          ai    = 0;        // empty the tick group array
          tick0 = np->tick; // update the current group's common tick
        }

        // if the min. current tick is ahead of this event then move the event ahead
        if( tick1 > np->tick )
          np->tick = tick1;
        else
          tick1 = 0; // otherwise disable tick1

        // add this event to the tick group
        assert(ai<aN);
        a[ai++] = np;

      }

      // if there are events in the group array then process them
      if( ai > 1 )
         tick1 = _cmXsSpreadGraceNotes(a,ai);
    }
  }
}


bool  _cmXScoreFindTiedNote( cmXScore_t* p, cmXsMeas_t* mp, cmXsNote_t* n0p, bool rptFl )
{
  cmXsNote_t* nnp       = n0p->slink;  // begin w/ note following np
  unsigned    measNumb  = mp->number;
  cmChar_t    acc       = n0p->alter==-1?'b' : (n0p->alter==1?'#':' ');

  if( rptFl )
    printf("%i %i %s ",n0p->meas->number,n0p->tick,cmMidiToSciPitch(n0p->pitch,NULL,0));


  while(1)
  {
    // if we are at the end of a measure advance to the next measure
    if( nnp == NULL )
    {
      mp  = mp->link;
      nnp = mp->noteL;

    // if a measure was completed and no end note was found ... then the tie is unterminated
    // (a tie must be continued in every measure which it passes through)
      if( mp->number > measNumb + 1 )
        break;
    }

    // for each note starting at nnp
    for(; nnp!=NULL; nnp=nnp->slink)
    {
      // if this note is tied to the originating note (np)
      if( nnp->voice->id == n0p->voice->id && nnp->step == n0p->step && nnp->octave == n0p->octave )
      {
        nnp->flags |= kTieProcXsFl;
        nnp->flags  = cmClrFlag(nnp->flags,kOnsetXsFl);

        if( rptFl )
          printf("---> %i %i %s ",nnp->meas->number,nnp->tick,cmMidiToSciPitch(nnp->pitch,NULL,0));

        // if this note is not tied to a subsequent note
        if( cmIsNotFlag(nnp->flags,kTieBegXsFl) )
          return true;

        // record the measure number of the last note with a tie-start
        measNumb = mp->number;
      }
    }
  }

  cmErrWarnMsg(&p->err,kUnterminatedTieXsRC,"The tied %c%c%i in measure %i was not terminated.",n0p->step,acc,n0p->octave,measNumb);
  return false;
}

void  _cmXScoreResolveTiesAndLoc( cmXScore_t* p )
{
  unsigned n   = 0;
  unsigned m   = 0;
  bool     rptFl = false;
  cmXsPart_t* pp = p->partL;

  // for each part
  for(; pp!=NULL; pp=pp->link)
  {
    unsigned locIdx = 1;
    cmXsMeas_t* mp = pp->measL;

    // for each measure
    for(; mp!=NULL; mp=mp->link)
    {
      cmXsNote_t* n0 = NULL;
      cmXsNote_t* np = mp->noteL;

      // for each note in this measure
      for(; np!=NULL; np=np->slink)
      {
        // if this note begins a tie and has not yet been  processed
        // (A note that continues a tie and therefore has a kTieBegXsFl set
        //  may have already been processed by an earlier tied note.)
        if( cmIsFlag(np->flags,kTieBegXsFl) && cmIsNotFlag(np->flags,kTieProcXsFl))
        {
          if( _cmXScoreFindTiedNote(p,mp,np,rptFl) )
            m += 1;

          if( rptFl )
            printf("\n");

          n += 1;
        }

        if( cmIsFlag(np->flags,kTieEndXsFl) && cmIsFlag(np->flags,kOnsetXsFl) )
        {
          cmChar_t    acc  = np->alter==-1?'b' : (np->alter==1?'#':' ');
          cmErrWarnMsg(&p->err,kUnterminatedTieXsRC,"The tied %c%c%i in measure %i marked as a tied note but is also marked to sound.",np->step,acc,np->octave,mp->number);
        }

        // set the location
        if( cmIsFlag(np->flags,kOnsetXsFl|kBarXsFl) )
        {
          if( cmIsFlag(np->flags,kBarXsFl) || (n0!=NULL && n0->tick!=np->tick))
            locIdx += 1;

          np->locIdx = locIdx;
          n0         = np;
        }
      }
    }
  }

  printf("Found:%i Not Found:%i\n",m,n-m);
}

cmXsRC_t  _cmXScoreResolveOctaveShift( cmXScore_t* p )
{

  const cmXsSpan_t* s;
  for(s=p->spanL; s!=NULL; s=s->link)
  {
    if( s->tick1 == -1)
    {
      cmErrWarnMsg(&p->err,kSyntaxErrorXsRC,"An unterminated octave shift span was encountered in measure %i staff=%i.",s->meas->number,s->staff);
    }
    else
    {
      cmXsMeas_t* m = p->partL->measL;
      for(; m!=NULL; m=m->link)
        if( m->number == s->meas->number )
          break;

      assert( m != NULL );

      cmXsNote_t* note = m->noteL;
      for(; note!=NULL; note=note->slink)
        if( note->staff==s->staff && s->tick0 <= note->tick && note->tick < s->tick1 )
          note->pitch += s->pitch_offset;
    }
  }

  return kOkXsRC;
}


// The identical pitch may be notated to play simultaneously on different voices.
// As performed on the piano this will equate to a single sounding note.
// This function clears the onset flag on all except one of the duplicated notes.
void _cmXScoreRemoveDuplicateNotes( cmXScore_t* p )
{
  cmXsPart_t* pp = p->partL;

  // for each part
  for(; pp!=NULL; pp=pp->link)
  {
    cmXsMeas_t* mp = pp->measL;

    // for each measure
    for(; mp!=NULL; mp=mp->link)
    {
      cmXsNote_t* np = mp->noteL;

      // for each note in this measure
      for(; np!=NULL; np=np->slink)
        if( cmIsFlag(np->flags,kOnsetXsFl) )
        {
          cmXsNote_t* n0p = mp->noteL;
          for(; n0p!=NULL; n0p=n0p->slink)
            if( n0p!=np && cmIsFlag(n0p->flags,kOnsetXsFl) && np->locIdx==n0p->locIdx && np->pitch==n0p->pitch )
              n0p->flags = cmClrFlag(n0p->flags,kOnsetXsFl);

        }
    }
  }
}

void  _cmXScoreSetMeasGroups( cmXScore_t* p, unsigned flag )
{
  unsigned sectionId = 0;
  cmXsNote_t* n0 = NULL;

  cmXsPart_t* pp = p->partL;

  // for each part
  for(; pp!=NULL; pp=pp->link)
  {
    cmXsMeas_t* mp = pp->measL;

    // for each measure
    for(; mp!=NULL; mp=mp->link)
    {
      cmXsNote_t* np = mp->noteL;

      // for each note in this measure
      for(; np!=NULL; np=np->slink)
      {
        
        // if this note has a heel marker and we are looking for evenness events
        if( cmIsFlag(flag,kEvenXsFl) && cmIsFlag(np->flags,kHeelXsFl) )
        {
          np->flags = cmSetFlag(np->flags,kBegGroupXsFl | kEndGroupXsFl );
          np->evenGroupId = sectionId + 1;
        }

        // if this note is of the type we are looking for
        if( cmIsFlag(np->flags,flag) )
        {
          if( n0 == NULL )
            np->flags = cmSetFlag(np->flags,kBegGroupXsFl);

          n0 = np;
        }

        // if this is a section marker
        if( cmIsFlag(np->flags,kSectionXsFl)  )
        {
          if( n0 != NULL )
          {
            np->flags = cmSetFlag(np->flags,kEndGroupXsFl);

            switch( flag )
            {
              case kEvenXsFl:  n0->evenGroupId = sectionId+1; break;
              case kDynXsFl:   n0->dynGroupId  = sectionId+1; break;
              case kTempoXsFl: n0->tempoGroupId= sectionId+1; break;
            }
          }

          if( cmIsFlag(np->flags,kSectionXsFl) )
            sectionId = np->tvalue==NULL ? 0 : strtol(np->tvalue,NULL,10);

          n0       = NULL;
        }
      }
    }
  }

}


cmXsRC_t _cmXScoreWriteScorePlotFile( cmXScore_t* p, const cmChar_t* fn )
{
  cmXsRC_t  rc            = kOkXsRC;
  cmFileH_t fH            = cmFileNullHandle;
  double    ticks_per_sec = 0;
  double    onset_secs    = 0;

  if( cmFileOpen(&fH,fn,kWriteFileFl,p->err.rpt) != kOkFileRC )
    return cmErrMsg(&p->err,kFileFailXsRC,"Unable to create the file '%s'.",cmStringNullGuard(fn));

  cmXsPart_t* pp = p->partL;
  for(; pp!=NULL; pp=pp->link)
  {
    cmXsMeas_t* mp   = pp->measL;
    for(; mp!=NULL; mp=mp->link)
    {
      cmFilePrintf(fH,"b %f %i %s B\n",onset_secs,mp->number,"bar");

      cmXsNote_t* np    = mp->noteL;
      unsigned    tick0 = 0;
      for(; np!=NULL; np=np->slink)
      {
        if( cmIsFlag(np->flags,kMetronomeXsFl) )
        {
          double bps =  np->duration / 60.0;

          // t   b  t
          // - = -  -
          // s   s  b

          ticks_per_sec = bps * mp->divisions;
        }
        else
        {
          if( cmIsFlag(np->flags,kOnsetXsFl) )
          {
            onset_secs += (np->tick - tick0) / ticks_per_sec;
            tick0       = np->tick;
            cmFilePrintf(fH,"n %f %f %i %s %s\n",onset_secs,np->duration/ticks_per_sec,np->uid,cmMidiToSciPitch(np->pitch,NULL,0),cmIsFlag(np->flags,kGraceXsFl)?"G":"N");
          }
        }
      }

      onset_secs += (mp->divisions * mp->beats - tick0) / ticks_per_sec;
    }
  }

  cmFileClose(&fH);

  return rc;
}

cmXsRC_t cmXScoreInitialize( cmCtx_t* ctx, cmXsH_t* hp, const cmChar_t* xmlFn, const cmChar_t* midiFn )
{
  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;
  }

  //cmXmlPrint(p->xmlH,&ctx->rpt);

  // 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);

  _cmXScoreSpreadGraceNotes(p);

  _cmXScoreSort(p);

  _cmXScoreSetAbsoluteTime(p);

  _cmXScoreResolveTiesAndLoc(p);

  _cmXScoreRemoveDuplicateNotes(p);

  _cmXScoreSetMeasGroups(p,kEvenXsFl);
  _cmXScoreSetMeasGroups(p,kDynXsFl);
  _cmXScoreSetMeasGroups(p,kTempoXsFl);

  //_cmXScoreResolveOctaveShift(p);

  // CSV output initialize failed.
  if( cmCsvInitialize(&p->csvH,ctx) != kOkCsvRC )
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV output object create failed.");

 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; }

//-------------------------------------------------------------------------------------------


typedef struct
{
  unsigned    idx;
  unsigned    voice;
  unsigned    locIdx;
  unsigned    tick;
  unsigned    durtn;
  float       rval;
  unsigned    midi;
  unsigned    flags;
  cmXsNote_t* note;
  int         index;
  unsigned    dynId;  // 0=ignore >0 dynamic level marking
  unsigned    sostId; // 0=ignore 1=down 2=up
  unsigned    newTick;   // 0=ignore >0 new tick value
} cmXsReorder_t;

cmXsNote_t*  _cmXsReorderFindNote( cmXScore_t* p, unsigned measNumb, const cmXsReorder_t* r, unsigned iii, int* indexRef )
{
  cmXsPart_t* pp = p->partL;
  for(; pp!=NULL; pp=pp->link)
  {
    cmXsMeas_t* mp = pp->measL;
    for(; mp!=NULL; mp=mp->link)
      if( mp->number == measNumb)
      {

        cmXsNote_t* np    = mp->noteL;
        int         index = 0;
        for(; np!=NULL; np=np->slink,++index)
        {
          // Set 'mask' to the flags which should be ignored in the comparision
          // unsigned mask    = kTieProcXsFl | kMetronomeXsFl | kBegGroupXsFl | kEndGroupXsFl; 
          // unsigned npFlags = cmClrFlag(np->flags,mask);

          //if( measNumb==56 && iii == 13 )
          //  printf("voc:%i loc:%i tick:%i dur:%i rval:%f pitch:%i index:%i\n",np->voice->id,np->locIdx,np->tick,np->duration,np->rvalue,np->pitch,index);

          
          if( np->voice->id == r->voice &&
            np->locIdx == r->locIdx &&
            np->tick == r->tick &&
            np->duration == r->durtn &&
            np->rvalue == r->rval &&
            np->pitch == r->midi &&
            index == r->idx // &&
            //npFlags == r->flags
              )
          {
            *indexRef = index;
            return np;
          }
        }

        printf("blah");
        
      }
  }

  cmErrMsg(&p->err,kSyntaxErrorXsRC,"Reorder note not found meas:%i index:%i.",measNumb,iii);
  return NULL;
}

//  moved forward
//  x 0 0 0 1 0 0 0
//  0 0 0 1 0 0 0 x
//  1 2 3 4 2 5 6 7
//  0 0 0 1 2 1 0 0  = mm_cnt
//
//  moved backward
//  x 0 0 0 0 1 1 0 0
//  0 0 0 0 1 1 0 0 x
//  1 2 3 4 7 6 5 6 7
//  0 0 0 1 1 2 1 0 0 = mm_cnt

// 1. Iterate through rV[] and assign an index corresponding to the associated
//    cmXsNote_t record in the un-reordered mp->noteL.
//
// 2. Iterate through rV[] and assign a mismatch count based equal to:
//     mm_cnt = rV[i-1].index+1 == rV[i].index + rV[i].index == rV[i+1].index-1
//
// 3. Mis-match sequences should always begin and end with 1.
//    
// 4. Iterate through rV[] and update the 'dsecs' of all non-zero mis-match
//    records (except for the leading and trailing) records.
//
// 5. Iterate through rV[] and update the 'secs'  of all non-zero mis-match
//    records (except for the leading and trailing) records.
//


void _cmXScoreReorderFixTimes( cmXScore_t* p, unsigned measNumb, cmXsReorder_t* rV, unsigned rN )
{
  int i;
  
  printf("Meas:%i\n",measNumb);

  for(i=0; i<rN; ++i)
  {
    bool fl = true;
    int mm_cnt = 0;
    if( i-1 > 0 )
    {
      mm_cnt += rV[i-1].index+1 == rV[i].index;
      fl = rV[i].note->secs >= rV[i-1].note->secs || rV[i].note->secs == 0;
    }
    
    if( i+1 < rN )
      mm_cnt += rV[i].index == rV[i+1].index-1;

    
    //printf("%i %i %10.3f %s\n",i,mm_cnt,rV[i].note->secs,fl?" ":"*");
    
  }
}

cmXsRC_t _cmXScoreReorderMeas( cmXScore_t* p, unsigned measNumb, cmXsReorder_t* rV, unsigned rN )
{
  unsigned i;

  if( rN == 0 )
    return kOkXsRC;

  // set the 'note' field on each cmXsReorder_t record
  for(i=0; i<rN; ++i)
  {
    if((rV[i].note = _cmXsReorderFindNote(p,measNumb,rV+i,i,&rV[i].index)) == NULL )
      return kSyntaxErrorXsRC;
  }

  //_cmXScoreReorderFixTimes(p, measNumb, rV, rN );
  
  cmXsMeas_t* mp  = rV[0].note->meas;
  cmXsNote_t* n0p = NULL;

  assert( mp->number == measNumb );

  // Reassign the slink of the cmXsNote_t records in this measure
  // according to their order in rV[].
  for(i=0; i<rN; ++i)
  {
    if( n0p == NULL )
      mp->noteL = rV[i].note;
    else
      n0p->slink = rV[i].note;

    if( rV[i].newTick != 0 )
      rV[i].note->tick = rV[i].newTick;

    n0p = rV[i].note;
    n0p->slink = NULL;
  }

  return kOkXsRC;

}

typedef struct _cmXScoreDynMark_str
{
  const cmChar_t* mark;
  unsigned        id;
} _cmXScoreDynMark_t;

_cmXScoreDynMark_t _cmXScoreDynMarkArray[] =
{
  {"pppp",  1},
  {"pppp+", 2},
  {"ppp-",  2},
  {"ppp",   4},
  {"ppp+",  5},
  {"pp-",   5},
  {"pp",    7},
  {"pp+",   8},
  {"p-",    8},
  {"p",     9},
  {"mp",   10},
  {"mp+",  11},
  {"mf-",  11},
  {"mf",   12},
  {"f",    13},
  {"f+",   14},
  {"ff",   15},
  {"ff+",  16},
  {"fff",  17},
  {NULL,0}
  
};

cmXsRC_t _cmXScoreReorderParseDyn(cmXScore_t* p, const cmChar_t* b, unsigned lineNumb, unsigned* dynIdRef )
{
  cmXsRC_t rc = kOkXsRC;
  const cmChar_t* s;

  *dynIdRef = 0;
  
  if( (s = strchr(b,'!')) == NULL )
    return rc;
  
  ++s;
  
  if( *s == 0 )
    return cmErrMsg(&p->err,kSyntaxErrorXsRC,"Unexpected end-of-line on dynamics parsing on line:%i.",lineNumb);

  if( *s == '(' )
    ++s;

  if( *s == 0 )
    return cmErrMsg(&p->err,kSyntaxErrorXsRC,"Unexpected end-of-line on dynamics parsing on line:%i.",lineNumb);

  unsigned i      = 0;
  unsigned j      = 0;
  unsigned n      = 6;
  bool     doneFl = false;
  cmChar_t mark[n+1];
  memset(mark,0,n+1);
  
  for(i=0; i<n && doneFl==false; ++i)
  {
    switch(s[i])
    {
      case 'm':
      case 'p':
      case 'f':
      case '+':
      case '-':
        mark[j++] = s[i];
        break;
        
      case ')':
      case 0:
      case ' ':        
      case '\n':
      default:
        doneFl = true;
        break;
        
    }
  }

  if( !doneFl )
    return cmErrMsg(&p->err,kSyntaxErrorXsRC,"Illegal dynamic mark (%s) syntax on line:%i.",mark,lineNumb);

  for(j=0; _cmXScoreDynMarkArray[j].mark!=NULL; ++j)
    if( strcmp(mark,_cmXScoreDynMarkArray[i].mark) == 0 )
      break;

  if( _cmXScoreDynMarkArray[i].mark == NULL )
    return cmErrMsg(&p->err,kSyntaxErrorXsRC,"The dynamic mark '%s' is not legal on line:%i.",mark,lineNumb);


  *dynIdRef = _cmXScoreDynMarkArray[i].id;
      
  return rc;
}


cmXsRC_t  _cmXScoreReorderParseSost(cmXScore_t* p, const cmChar_t* b, unsigned line, unsigned* sostIdRef )
{
  cmXsRC_t rc = kOkXsRC;
  const cmChar_t* s;
  *sostIdRef = 0;

  if((s = strchr(b,'~')) == NULL )
    return rc;

  ++s;

  switch( *s )
  {
    case 'd':
      *sostIdRef = 1;  // pedal down just after this note onset
      break;

    case 'u':
      *sostIdRef = 2; // pedal up
      break;
            
    default:
      return cmErrMsg(&p->err,kSyntaxErrorXsRC,"Unexpected sostenuto marking '%c' on line %i.",*s,line);
  }

  return rc;
}

cmXsRC_t  _cmXScoreReorderParseTick(cmXScore_t* p, const cmChar_t* b, unsigned line, unsigned* tickRef )
{
  cmXsRC_t rc = kOkXsRC;
  const cmChar_t* s;

  if((s = strchr(b,'@')) == NULL )
    return rc;

  ++s;

  if(!isdigit(*s))
      return cmErrMsg(&p->err,kSyntaxErrorXsRC,"Unexpected tick reorder value '%c' on line %i.",*s,line);

  if(sscanf(s,"%i",tickRef) != 1 )
      return cmErrMsg(&p->err,kSyntaxErrorXsRC,"tick reorder parse failed on line %i.",line);
  
  return rc;
}


cmXsRC_t cmXScoreReorder( cmXsH_t h, const cmChar_t* fn )
{
  typedef enum { kFindMeasStId, kFindEventStId, kReadEventStId } stateId_t;

  cmXsRC_t      rc      = kOkXsRC;
  cmXScore_t*   p       = _cmXScoreHandleToPtr(h);
  cmFileH_t     fH      = cmFileNullHandle;
  cmChar_t*     b       = NULL;
  unsigned      bN      = 0;
  unsigned      ln      = 0;
  stateId_t     stateId = kFindMeasStId;
  unsigned      rN      = 1024;
  unsigned      ri      = 0;
  unsigned     measNumb = 0;
  cmXsReorder_t rV[ rN ];
  
  if( cmFileOpen(&fH,fn,kReadFileFl,p->err.rpt) != kOkFileRC )
  {
    rc = cmErrMsg(&p->err,kFileFailXsRC,"The reordering file '%s' could not be opened.",cmStringNullGuard(fn));
    return rc;
  }

  for(; cmFileGetLineAuto(fH,&b,&bN)==kOkFileRC; ++ln)
  {
    switch( stateId )
    {
      case kFindEventStId:  // scanning past labels to an event line
        {
          unsigned voice,loc;
          if( sscanf(b,"%i %i",&voice,&loc) != 2 )
            continue;

          stateId = kReadEventStId;
        }
        // fall through

      case kReadEventStId:
        {
          cmXsReorder_t r;
          char     pitchStr[4];

          memset(&r,0,sizeof(r));
          
          // parse an event line
          if( sscanf(b,"%i %i %i %i %i %f",&r.idx,&r.voice,&r.locIdx,&r.tick,&r.durtn,&r.rval) == 6 )
          {
            assert( strlen(b)>=52);
            int PC = 39; // text file column where first pitch char occurs
            
            if( b[PC] == ' ')
              r.midi = 0;
            else
            {
              pitchStr[0] = b[PC+0];
              pitchStr[1] = b[PC+1];
              pitchStr[2] = b[PC+2];              
              pitchStr[3] = 0;
              
              if( !isdigit(pitchStr[2]) )
                r.midi = 0;
              else
              {
                if( pitchStr[1] == ' ')
                {
                  pitchStr[1] = pitchStr[2];
                  pitchStr[2] = 0;
                }

                r.midi = cmSciPitchToMidi(pitchStr);
              }

            }

            
            // parse the dynamic marking
            if((rc = _cmXScoreReorderParseDyn(p,b,ln+1,&r.dynId)) != kOkXsRC )
              goto errLabel;
            
            // parse the sostenuto pedal marking
            if((rc = _cmXScoreReorderParseSost(p,b,ln+1, &r.sostId)) != kOkXsRC )
              goto errLabel;

            if((rc = _cmXScoreReorderParseTick(p, b, ln+1, &r.newTick)) != kOkXsRC )
              goto errLabel;            

            // store the record
            assert( ri < rN );
            rV[ri++] = r;

            continue;
          }

          // the end of the measure was encountered -
          // reorder the measure based on the cmXsReorder_t in rV[ri]
          if((rc =  _cmXScoreReorderMeas(p, measNumb, rV, ri )) != kOkXsRC )
            goto errLabel;

          ri = 0;

          stateId = kFindMeasStId;
          // fall through
        }

      case kFindMeasStId:  // scanning for a bar-line
        {
          char colon;
          if( sscanf(b,"%i %c",&measNumb,&colon) == 2 && colon == ':' )
          {
            //printf("meas: %i \n",measNumb);
            stateId = kFindEventStId;

          }
        }
        break;
    }

  }

 errLabel:
  cmFileClose(&fH);
  cmMemFree(b);
  return rc;
}


cmXsRC_t cmXScoreReorder1( cmXsH_t h, const cmChar_t* fn )
{
  typedef enum { kFindMeasStId, kFindEventStId, kReadEventStId } stateId_t;

  cmXsRC_t      rc      = kOkXsRC;
  cmXScore_t*   p       = _cmXScoreHandleToPtr(h);
  cmFileH_t     fH      = cmFileNullHandle;
  cmFileH_t     ofH     = cmFileNullHandle;
  cmChar_t*     b       = NULL;
  unsigned      bN      = 0;
  unsigned      ln      = 0;
  unsigned      measNumb = 0;
  stateId_t     stateId = kFindMeasStId;
  const cmChar_t* ofn   = "/Users/kevin/temp/orig_reorder.txt";
  unsigned t0 = 0;
  
  if( cmFileOpen(&fH,fn,kReadFileFl,p->err.rpt) != kOkFileRC )
  {
    rc = cmErrMsg(&p->err,kFileFailXsRC,"The reordering file '%s' could not be opened.",cmStringNullGuard(fn));
    return rc;
  }

  if( cmFileOpen(&ofH,ofn,kWriteFileFl,p->err.rpt) != kOkFileRC )
  {
    rc = cmErrMsg(&p->err,kFileFailXsRC,"The reordering file '%s' could not be opened.",cmStringNullGuard(ofn));
    goto errLabel;
  }
  

  for(; cmFileGetLineAuto(fH,&b,&bN)==kOkFileRC; ++ln)
  {
    bool fl = false;
    
    switch( stateId )
    {
      case kFindEventStId:  // scanning past labels to an event line
        {
          unsigned voice,loc;
          if( sscanf(b,"%i %i",&voice,&loc) != 2 )
            continue;

          stateId = kReadEventStId;
          t0 = 0;
        }
        // fall through

      case kReadEventStId:
        {
          cmXsReorder_t r;
          memset(&r,0,sizeof(r));
          
          // parse an event line
          if( sscanf(b,"%i %i %i %i %f",&r.voice,&r.locIdx,&r.tick,&r.durtn,&r.rval) == 5 )
          {
            if( r.tick < t0 )
              fl = true;
            t0 = r.tick; 
            break;
          }
          else
          {
          // the end of the measure was encountered -
          // reorder the measure based on the cmXsReorder_t in rV[ri]
            stateId = kFindMeasStId;
          }
          
          // fall through
        }

      case kFindMeasStId:  // scanning for a bar-line
        {
          char colon;
          if( sscanf(b,"%i %c",&measNumb,&colon) == 2 && colon == ':' )
          {
            //printf("meas: %i \n",measNumb);
            stateId = kFindEventStId;

          }
        }
        break;
    }

    if( fl )
      b = cmTextInsertS(b,b+strlen(b)-1," <-----");
    
    cmFileWriteChar(ofH,b,strlen(b));
  }

 errLabel:
  cmFileClose(&fH);
  cmFileClose(&ofH);
  cmMemFree(b);
  return rc;
}



/*-------------------------------------------------------------------------------------------
Dynamics File Format:
<blk>*
<blk>       -> <hdr-line> <note-line> <blank-line>
<hdr-line>  -> <int> "|"
<note-line> -> <float> <sci-pitch> ":" <int>
<sci-pitch> -> <A-G><#|b|<space>

See imag_themes/scores/dyn.txt for an example.
 */

typedef struct cmXsDyn_str
{
  unsigned bar;
  float    rval;
  unsigned pitch;
  char     dyn;
  unsigned line;
} cmXsDyn_t;

cmXsRC_t _cmXScoreParseDynamicsFile( cmXScore_t* p, const cmChar_t* fn, cmXsDyn_t** aVRef, unsigned* aNRef )
{
  typedef enum { hdrStateId,noteStateId } state_t;
  cmXsRC_t    rc      = kOkXsRC;
  cmFileH_t   fH      = cmFileNullHandle;
  cmChar_t*   b       = NULL;
  unsigned    bN      = 0;
  unsigned    ln      = 1;
  state_t     stateId = hdrStateId;
  unsigned    bar     = 0;

  if( cmFileOpen(&fH,fn,kReadFileFl,p->err.rpt) != kOkFileRC )
    return cmErrMsg(&p->err,kFileFailXsRC,"File open failed on '%s'.",cmStringNullGuard(fn));

  unsigned    aN  = 0;
  unsigned    ai  = 0;

  if( cmFileLineCount(fH,&aN) != kOkFileRC )
  {
    rc = cmErrMsg(&p->err,kFileFailXsRC,"File line count acces failed on '%s'.",cmStringNullGuard(fn));
    goto errLabel;
  }

  cmXsDyn_t*  aV  = cmMemAllocZ(cmXsDyn_t,aN);

  for(; cmFileGetLineAuto(fH,&b,&bN)==kOkFileRC; ++ln)
  {
    char     ch;

    if( cmTextIsEmpty(b) )
    {
      stateId = hdrStateId;
      continue;
    }

    switch( stateId )
    {
      case hdrStateId:
        if( sscanf(b,"%i %c",&bar,&ch) != 2 || ch != '|' )
        {
          rc = cmErrMsg(&p->err,kSyntaxErrorXsRC,"Expected header string read failed on line %i in '%s'.",ln,cmStringNullGuard(fn));
          goto errLabel;
        }

        stateId = noteStateId;
        break;

      case noteStateId:
        {
          float rv;
          char  colon;
          char  dyn;
          char  sps[4];
          sps[3] = 0;

          if(sscanf(b,"%f %c%c%c %c %c", &rv, sps, sps+1, sps+2, &colon, &dyn ) != 6 || colon != ':' )
          {
            rc = cmErrMsg(&p->err,kSyntaxErrorXsRC,"Expected note string read failed on line %i in '%s'.",ln,cmStringNullGuard(fn));
            goto errLabel;
          }

          //printf("%3i %3.1f %3s %c\n",bar,rv,sps,dyn);

          if( sps[1] == ' ')
            cmTextShrinkS(sps, sps+1, 1 );


          assert(ai<aN);
          aV[ai].bar   = bar;
          aV[ai].rval  = rv;
          aV[ai].pitch = cmSciPitchToMidi(sps);
          aV[ai].dyn   = dyn;
          aV[ai].line  = ln;
          ++ai;

        }
        break;
    }
  }

  *aVRef = aV;
  *aNRef = ai;

 errLabel:
  cmMemFree(b);
  cmFileClose(&fH);
  return rc;
}

cmXsRC_t cmXScoreInsertDynamics( cmXsH_t h, const cmChar_t* dynFn )
{
  cmXsRC_t    rc = kOkXsRC;
  cmXScore_t* p  = _cmXScoreHandleToPtr(h);
  cmXsDyn_t*  aV = NULL;
  unsigned    aN = 0;
  unsigned    ai = 0;

  if((rc = _cmXScoreParseDynamicsFile(p, dynFn, &aV, &aN)) != kOkXsRC )
    return rc;


  cmXsPart_t* pp = p->partL;
  for(; pp!=NULL; pp=pp->link)
  {
    cmXsMeas_t* mp = pp->measL;
    for(; mp!=NULL; mp=mp->link)
    {
      cmXsNote_t* np = mp->noteL;
      for(; np!=NULL; np=np->slink)
        if( cmIsFlag(np->flags,kDynXsFl) )
        {
          if( ai >= aN || aV[ai].bar != mp->number || aV[ai].pitch != np->pitch || aV[ai].rval != np->rvalue )
          {
            rc = cmErrMsg(&p->err,kSyntaxErrorXsRC,"Dynamics file mismatch error on dynamics line:%i. expected:%s %f actual:%s %f\n",aV[ai].line,aV[ai].rval,cmMidiToSciPitch(aV[ai].pitch,NULL,0),cmMidiToSciPitch(np->pitch,NULL,0),np->rvalue);
            goto errLabel;
          }

          if( '1' <= aV[ai].dyn && aV[ai].dyn <= '9' )
            np->dynamics = strtol(&aV[ai].dyn,NULL,10);

          ++ai;
        }
    }
  }


 errLabel:
  cmMemFree(aV);
  return rc;
}

/*
  kMidiFileIdColScIdx= 0,
  kTypeLabelColScIdx = 3,
  kDSecsColScIdx     = 4,
  kSecsColScIdx      = 5,
  kD0ColScIdx        = 9,
  kD1ColScIdx        = 10,
  kPitchColScIdx     = 11,
  kBarColScIdx       = 13,
  kSkipColScIdx      = 14,
  kEvenColScIdx      = 15,
  kGraceColScIdx     = 16,
  kTempoColScIdx     = 17,
  kFracColScIdx      = 18,
  kDynColScIdx       = 19,
  kSectionColScIdx   = 20,
  kRecdPlayColScIdx  = 21,
  kRemarkColScIdx    = 22
 */


cmXsRC_t _cmXScoreWriteCsvHdr( cmXScore_t* p )
{
  const cmChar_t* s[] =
  {
    "id","trk","evt","opcode","dticks","micros","status",
    "meta","ch","d0","d1","arg0","arg1","bar","skip",
    "even","grace","tempo","t frac","dyn","section","play_recd","remark",NULL
  };

  cmCsvCell_t* lcp = NULL;

  if(  cmCsvAppendRow( p->csvH, &lcp, cmCsvInsertSymText(p->csvH,s[0]), 0, 0 ) != kOkCsvRC )
    return cmErrMsg(&p->err,kCsvFailXsRC,"CSV append row failed.");

  unsigned i;
  for(i=1; s[i]!=NULL; ++i)
  {
    if( cmCsvInsertIdentColAfter(p->csvH, lcp, &lcp, s[i], 0 ) != kOkCsvRC )
      return cmErrMsg(&p->err,kCsvFailXsRC,"CSV error inserting CSV title %i.\n",i);

  }

  return kOkXsRC;
}

cmXsRC_t _cmXScoreWriteCsvBlankCols( cmXScore_t* p, unsigned cnt, cmCsvCell_t** leftCellPtrPtr )
{
  unsigned i;
  for(i=0; i<cnt; ++i)
    if( cmCsvInsertIdentColAfter(p->csvH,*leftCellPtrPtr,leftCellPtrPtr,"",0) != kOkCsvRC )
      return cmErrMsg(&p->err,kCsvFailXsRC,"CSV output failed on blank column.");

  return kOkCsvRC;
}

const cmChar_t* _cmXScoreTranslateDynamics( cmXScore_t* p,  const cmXsNote_t* np, cmChar_t* buf, unsigned bufN )
{
  if( cmIsFlag(np->flags,kDynXsFl) && np->dynamics != 0 )
  {
    const cmChar_t* dynStr = NULL;
    switch(np->dynamics)
    {
      case 1: dynStr = "pppp"; break;
      case 2: dynStr = "ppp";  break;
      case 3: dynStr = "pp";   break;
      case 4: dynStr = "p";    break;
      case 5: dynStr = "mp";   break;
      case 6: dynStr = "mf";   break;
      case 7: dynStr = "f";    break;
      case 8: dynStr = "ff";   break;
      case 9: dynStr = "fff";  break;
      default:
        cmErrMsg(&p->err,kSyntaxErrorXsRC,"An invalid dynamic value (%i) was encountered.",np->dynamics);
        goto errLabel;
    }

    if( np->dynGroupId == 0 )
      snprintf(buf,bufN,"%s",dynStr);
    else
      snprintf(buf,bufN,"%s %i",dynStr,np->dynGroupId);

    return buf;
  }
 errLabel:
  return "";
}

const cmChar_t* cmXsFormatMeasurementCsvField( unsigned flags, unsigned fl, char abbrev, unsigned sectionId, char* buf, unsigned bufN )
{
  assert( bufN > 1 );
  buf[0] = ' ';
  buf[1] = 0;
  
  if( cmIsFlag(flags,fl) )
  {
    if( sectionId != 0 )
      snprintf(buf,bufN-1,"%c %i%c",abbrev,sectionId, cmIsFlag(flags,kHeelXsFl)?'*':' ');
    else
      buf[0] = abbrev;
  }
  return buf;
}


cmXsRC_t _cmXScoreWriteCsvRow(
  cmXScore_t*     p,
  unsigned        rowIdx,
  unsigned        uid,
  unsigned        bar,
  const cmChar_t* sectionStr,
  const cmChar_t* opCodeStr,
  double          dsecs,
  double          secs,
  unsigned        d0,
  unsigned        d1,
  unsigned        pitch,   // set to -1 if the pitch is not valid
  double          frac,
  const cmChar_t* dynStr,
  unsigned        flags,
  const cmChar_t* evenStr,
  const cmChar_t* tempoStr)
{
  cmXsRC_t     rc  = kOkXsRC;
  cmCsvCell_t* lcp = NULL;

  // append an empty row to the CSV object
  if(  cmCsvAppendRow( p->csvH, &lcp, cmCsvInsertSymUInt(p->csvH, rowIdx ), 0, 0 ) != kOkCsvRC )
  {
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV append row failed.");
    goto errLabel;
  }

  /*
  // col 0 : blanks
  if( cmCsvInsertUIntColAfter(p->csvH, lcp, &lcp, rowIdx,    0 ) != kOkCsvRC )
  {
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV output row index failed.");
    goto errLabel;
  }
  */

  // col 1 : track (always 1)
  if( cmCsvInsertUIntColAfter(p->csvH,lcp,&lcp,1,0) != kOkCsvRC )
  {
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on 'd0'.");
    goto errLabel;
  }

  // col 2 : evt (set to event uid, or blank if uid == -1)
  if( uid == -1 )
  {
    if((rc = _cmXScoreWriteCsvBlankCols(p,1,&lcp)) != kOkXsRC )
      goto errLabel;
  }
  else
  if( cmCsvInsertUIntColAfter(p->csvH,lcp,&lcp,uid,0) != kOkCsvRC )
  {
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on 'd0'.");
    goto errLabel;
  }

  // col 3 : output the opcode
  if( cmCsvInsertIdentColAfter(p->csvH,lcp,&lcp,opCodeStr,0) != kOkCsvRC )
  {
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on opcode label.");
    goto errLabel;
  }

  // col 4 : dsecs
  if( cmCsvInsertDoubleColAfter(p->csvH,lcp,&lcp,dsecs,0) != kOkCsvRC )
  {
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on 'dsecs'.");
    goto errLabel;
  }

  // col 5 : secs
  if( cmCsvInsertDoubleColAfter(p->csvH,lcp,&lcp,secs,0) != kOkCsvRC )
  {
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on 'secs'.");
    goto errLabel;
  }

  // cols 6,7,8 blanks
  if((rc = _cmXScoreWriteCsvBlankCols(p,3,&lcp)) != kOkXsRC )
    goto errLabel;

  // col 9 : d0
  if( cmCsvInsertUIntColAfter(p->csvH,lcp,&lcp,d0,0) != kOkCsvRC )
  {
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on 'd0'.");
    goto errLabel;
  }

  // col 10 : d1
  if( cmCsvInsertUIntColAfter(p->csvH,lcp,&lcp,d1,0) != kOkCsvRC )
  {
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on 'd1'.");
    goto errLabel;
  }

  // col 11 : pitch
  if( pitch == -1 )
  {
    if((rc = _cmXScoreWriteCsvBlankCols(p,1,&lcp)) != kOkXsRC )
      goto errLabel;
  }
  else
  {
    if( cmCsvInsertIdentColAfter(p->csvH,lcp,&lcp,cmMidiToSciPitch(pitch,NULL,0),0) != kOkCsvRC )
    {
      rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on 'pitch'.");
      goto errLabel;
    }
  }

  // col 12 : blanks
  if((rc = _cmXScoreWriteCsvBlankCols(p,1 + (cmIsFlag(flags,kBarXsFl) ? 0 : 1), &lcp)) != kOkXsRC )
    goto errLabel;

  // col 13 : bar number
  if( cmIsFlag(flags,kBarXsFl) )
  {
    if( cmCsvInsertUIntColAfter(p->csvH,lcp,&lcp,bar,0) != kOkCsvRC )
    {
      rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on 'pitch'.");
      goto errLabel;
    }
  }

  // col 14 : skip (blank for now)
  if((rc = _cmXScoreWriteCsvBlankCols(p,1,&lcp)) != kOkXsRC )
    goto errLabel;

  // col 15: even (all grace notes are 'even' notes
  if( cmCsvInsertQTextColAfter(p->csvH,lcp,&lcp, evenStr, 0) != kOkCsvRC )
  {
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on eveness flag label.");
    goto errLabel;
  }

  // col 16: grace
  if( cmCsvInsertIdentColAfter(p->csvH,lcp,&lcp,cmIsFlag(flags,kGraceXsFl) ? "g" : "",0) != kOkCsvRC )
  {
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on eveness flag label.");
    goto errLabel;
  }

  // col 17: tempo
  if( cmCsvInsertQTextColAfter(p->csvH,lcp,&lcp,tempoStr,0) != kOkCsvRC )
  {
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on eveness flag label.");
    goto errLabel;
  }

  // col 18: frac
  if( frac == 0 )
  {
    if((rc = _cmXScoreWriteCsvBlankCols(p,1,&lcp)) != kOkXsRC )
      goto errLabel;
  }
  else
  {
    if( cmCsvInsertDoubleColAfter(p->csvH,lcp,&lcp,1.0/frac,0) != kOkCsvRC )
    {
      rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on 't frac'.");
      goto errLabel;
    }
  }

  // col 19: dynamic marking
  if(  cmCsvInsertQTextColAfter(p->csvH, lcp, &lcp, dynStr, 0 ) != kOkCsvRC )
  {
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on 'dynamics'.");
    goto errLabel;
  }

  //if((rc = _cmXScoreWriteCsvBlankCols(p,1,&lcp)) != kOkXsRC )
  //  goto errLabel;

  // col 20: section
  if( cmCsvInsertIdentColAfter(p->csvH,lcp,&lcp,sectionStr!=NULL ? sectionStr : "",0) != kOkCsvRC )
  {
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"CSV insert failed on eveness flag label.");
    goto errLabel;
  }

  // col 21, 22 : recd-play, remark (blank for now)
  if((rc = _cmXScoreWriteCsvBlankCols(p,2,&lcp)) != kOkXsRC )
    goto errLabel;

 errLabel:
  return rc;

}

cmXsRC_t cmXScoreWriteCsv( cmXsH_t h, const cmChar_t* csvFn )
{
  cmXsRC_t        rc           = kOkXsRC;
  cmXScore_t*     p            = _cmXScoreHandleToPtr(h);
  unsigned        rowIdx       = 1;
  const cmChar_t* sectionIdStr = NULL;

  if( !cmCsvIsValid(p->csvH) )
    return cmErrMsg(&p->err,kCsvFailXsRC,"The CSV output object is not initialized.");

  if((rc = _cmXScoreWriteCsvHdr( p )) != kOkXsRC )
    goto errLabel;

  cmXsPart_t* pp = p->partL;
  for(; pp!=NULL; pp=pp->link)
  {
    cmXsMeas_t* mp = pp->measL;
    for(; mp!=NULL; mp=mp->link)
    {
      cmXsNote_t* np = mp->noteL;
      for(; np!=NULL; np=np->slink)
      {

        // if this is a section event
        if( cmIsFlag(np->flags,kSectionXsFl) )
          sectionIdStr = np->tvalue;
        
        // if this is a bar event
        if( cmIsFlag(np->flags,kBarXsFl)  )
        {
          _cmXScoreWriteCsvRow(p,rowIdx,-1,mp->number,sectionIdStr,"bar",np->dsecs,np->secs,0,0,-1,0,"",np->flags,"","");
          sectionIdStr = NULL;
        }
        else
        {
          // if this is a pedal event
          if( cmIsFlag(np->flags,kPedalDnXsFl|kPedalUpXsFl|kPedalUpDnXsFl) )
          {
            unsigned d0 = 64; // pedal MIDI ctl id
            unsigned d1 = cmIsFlag(np->flags,kPedalDnXsFl) ? 64 : 0; // pedal-dn: d1>=64 pedal-up:<64
            _cmXScoreWriteCsvRow(p,rowIdx,-1,mp->number,sectionIdStr,"ctl",np->dsecs,np->secs,d0,d1,-1,0,"",np->flags,"","");
            sectionIdStr = NULL;
            
            if( cmIsFlag(np->flags,kPedalUpDnXsFl) )
            {
              rowIdx += 1;
              double millisecond = 0.0;
              _cmXScoreWriteCsvRow(p,rowIdx,-1,mp->number,sectionIdStr,"ctl",millisecond,np->secs+millisecond,d0,64,-1,0,"",np->flags,"","");
            }

          }
          else
          {

            // if this is a sounding note event
            if( cmIsFlag(np->flags,kOnsetXsFl) )
            {
              unsigned bufN = 128;
              cmChar_t ebuf[ bufN+1]; ebuf[bufN] = 0;
              cmChar_t dbuf[ bufN+1]; dbuf[bufN] = 0;
              cmChar_t tbuf[ bufN+1]; tbuf[bufN] = 0;
              
              
              double          frac  = np->rvalue + (cmIsFlag(np->flags,kDotXsFl) ? (np->rvalue/2) : 0);
              const cmChar_t* dyn   = _cmXScoreTranslateDynamics( p,  np, dbuf, bufN );

              //
              _cmXScoreWriteCsvRow(p,rowIdx,np->uid,mp->number,sectionIdStr,"non",np->dsecs,np->secs,np->pitch,60,np->pitch,frac,dyn,np->flags,
                cmXsFormatMeasurementCsvField(np->flags, kEvenXsFl, 'e', np->evenGroupId,  ebuf, bufN ),
                cmXsFormatMeasurementCsvField(np->flags, kTempoXsFl,'t', np->tempoGroupId, tbuf, bufN ));
              
              sectionIdStr = NULL;
            }
          }
        }

        rowIdx += 1;
      }

    }
  }

  // Section labels are output on the next bar/pedal/note
  // but what if there is no bar pedal note-on after the section label
  if( sectionIdStr != NULL )
    cmErrMsg(&p->err,kSyntaxErrorXsRC,"The section label '%s' was ignored because it was not followed by a score event.",sectionIdStr);

  if( cmCsvWrite( p->csvH, csvFn ) != kOkCsvRC )
    rc = cmErrMsg(&p->err,kCsvFailXsRC,"The CSV output write failed on file '%s'.",csvFn);

 errLabel:
  return rc;
}


void _cmXScoreReportTitle( cmRpt_t* rpt )
{
  cmRptPrintf(rpt,"      idx voc  loc    tick  durtn rval        flags\n");
  cmRptPrintf(rpt,"      --- --- ----- ------- ----- ---- --- --------------\n");
}

void _cmXScoreReportNote( cmRpt_t* rpt, const cmXsNote_t* note,unsigned index )
{
  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)       ? "." : "-";
  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" : "-";
  const cmChar_t* S  = cmIsFlag(note->flags,kSectionXsFl)   ? "S" : "-";
  const cmChar_t* H  = cmIsFlag(note->flags,kHeelXsFl)      ? "H" : "-";
  const cmChar_t* T0 = cmIsFlag(note->flags,kTieBegXsFl)    ? "T" : "-";
  const cmChar_t* T1 = cmIsFlag(note->flags,kTieEndXsFl)    ? "_" : "-";
  const cmChar_t* O  = cmIsFlag(note->flags,kOnsetXsFl)     ? "*" : "-";
  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 );

  cmChar_t N[] = {'\0','\0','\0','\0'};
  cmChar_t acc = note->alter==-1?'b':(note->alter==1?'#':' ');
  snprintf(N,4,"%c%c%1i",note->step,acc,note->octave);

  cmRptPrintf(rpt,"      %3i %3i %5i %7i %5i %4.1f %3s %s%s%s%s%s%s%s%s%s%s%s%s%s%s",
    index,
    note->voice->id,
    note->locIdx,
    note->tick,
    note->duration,
    note->rvalue,
    N,B,R,G,D,C,e,d,t,P,S,H,T0,T1,O);

  if( cmIsFlag(note->flags,kSectionXsFl) )
    cmRptPrintf(rpt," %s",cmStringNullGuard(note->tvalue));

  if( cmIsFlag(note->flags,kMetronomeXsFl) )
    cmRptPrintf(rpt," %i bpm",note->duration);

  if( note->evenGroupId != 0 )
    cmRptPrintf(rpt," e=%i",note->evenGroupId);

  if( note->dynGroupId != 0 )
    cmRptPrintf(rpt," d=%i",note->dynGroupId);

  if( note->tempoGroupId != 0 )
    cmRptPrintf(rpt," t=%i",note->tempoGroupId);

}


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)
    {
      unsigned idx = 0;

      cmRptPrintf(rpt,"  %i : div:%i beat:%i beat-type:%i (%i)\n",meas->number,meas->divisions,meas->beats,meas->beat_type,meas->divisions*meas->beats);

      _cmXScoreReportTitle(rpt);

      if( sortFl )
      {

        const cmXsNote_t* note = meas->noteL;
        unsigned t0 = 0;
        unsigned t1 = 0;
        for(; note!=NULL; note=note->slink,++idx)
        {
          _cmXScoreReportNote(rpt,note,idx);

          t1 = note->slink==NULL ? note->tick : note->slink->tick;

          if( !(t0 <= note->tick && note->tick <= t1) )
          {
            cmRptPrintf(rpt," +");
          }

          t0 = note->tick;


          if( note->slink!=NULL  || note->voice->id==0)
            cmRptPrintf(rpt,"\n");
          else
            cmRptPrintf(rpt," %i\n", note->tick + note->duration);
        }

      }
      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,idx);

            if( note->mlink!=NULL || note->voice->id==0)
              cmRptPrintf(rpt,"\n");
            else
              cmRptPrintf(rpt," %i\n", note->tick + note->duration);
          }

        }
      }
    }
  }
}


cmXsRC_t cmXScoreWriteMidi( cmXsH_t h, const cmChar_t* fn )
{
  assert(0); // function not implemented
  cmXScore_t* p  = _cmXScoreHandleToPtr(h);
  cmXsPart_t* pp = p->partL;

  for(; pp!=NULL; pp=pp->link)
  {
    const cmXsMeas_t* meas = pp->measL;
    for(; meas!=NULL; meas=meas->link)
    {

      const cmXsNote_t* note = meas->noteL;
      for(; note!=NULL; note=note->slink)
      {

      }
    }
  }
}

cmXsRC_t cmXScoreTest(
  cmCtx_t* ctx,
  const cmChar_t* xmlFn,
  const cmChar_t* midiFn,
  const cmChar_t* outFn,
  const cmChar_t* dynFn,
  const cmChar_t* reorderFn )
{
  cmXsRC_t rc;
  cmXsH_t h = cmXsNullHandle;

  if((rc = cmXScoreInitialize( ctx, &h, xmlFn, midiFn)) != kOkXsRC )
    return cmErrMsg(&ctx->err,rc,"XScore alloc failed.");

  //if( dynFn != NULL )
  //  cmXScoreInsertDynamics(h, dynFn );

  if( reorderFn != NULL )
    cmXScoreReorder(h,reorderFn);

  if( outFn != NULL )
  {
    cmScH_t scH = cmScNullHandle;
    double srate = 44100.0;
    
    cmXScoreWriteCsv(h,outFn);


    cmSymTblH_t stH = cmSymTblCreate(cmSymTblNullHandle, 0, ctx );
    
    if( cmScoreInitialize( ctx, &scH, outFn, srate, NULL, 0, NULL, NULL, stH) != kOkScRC )
      cmErrMsg(&ctx->err,kFileFailXsRC,"The generated CSV file could not be parsed.");
    else
    {
      //cmScorePrintSets(scH,&ctx->rpt);
      //cmScorePrint(scH,&ctx->rpt);
      
      cmScoreFinalize(&scH);
    }

    cmSymTblDestroy(&stH);
    
  }
  
  //cmXScoreReport(h,&ctx->rpt,true);

  return cmXScoreFinalize(&h);

}