535 lines
13 KiB
C++
535 lines
13 KiB
C++
#include "cwCommon.h"
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#include "cwLog.h"
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#include "cwCommonImpl.h"
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#include "cwMem.h"
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#include "cwObject.h"
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#include "cwPianoScore.h"
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#include "cwMidi.h"
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#include "cwTime.h"
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#include "cwFile.h"
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namespace cw
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{
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namespace score
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{
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typedef struct score_str
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{
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event_t* base;
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event_t* end;
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unsigned maxLocId;
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event_t** uid_mapA;
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unsigned uid_mapN;
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unsigned min_uid;
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} score_t;
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score_t* _handleToPtr(handle_t h)
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{
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return handleToPtr<handle_t,score_t>(h);
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}
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rc_t _destroy( score_t* p )
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{
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rc_t rc = kOkRC;
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event_t* e = p->base;
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while( e != nullptr )
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{
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event_t* e0 = e->link;
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mem::free(e);
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e = e0;
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}
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return rc;
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}
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unsigned _scan_to_end_of_field( const char* lineBuf, unsigned buf_idx, unsigned bufCharCnt )
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{
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for(; buf_idx < bufCharCnt; ++buf_idx )
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{
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if( lineBuf[buf_idx] == '"' )
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{
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for(++buf_idx; buf_idx < bufCharCnt; ++buf_idx)
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if( lineBuf[buf_idx] == '"' )
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break;
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}
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if( lineBuf[buf_idx] == ',')
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break;
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}
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return buf_idx;
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}
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rc_t _parse_csv_double( const char* lineBuf, unsigned bfi, unsigned efi, double &valueRef )
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{
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errno = 0;
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valueRef = strtod(lineBuf+bfi,nullptr);
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if( errno != 0 )
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return cwLogError(kOpFailRC,"CSV String to number conversion failed.");
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return kOkRC;
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}
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rc_t _parse_csv_unsigned( const char* lineBuf, unsigned bfi, unsigned efi, unsigned &valueRef )
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{
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rc_t rc;
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double v;
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if((rc = _parse_csv_double(lineBuf,bfi,efi,v)) == kOkRC )
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valueRef = (unsigned)v;
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return rc;
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}
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rc_t _parse_csv_line( score_t* p, event_t* e, char* line_buf, unsigned lineBufCharCnt )
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{
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enum
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{
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kMeas_FIdx,
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kIndex_FIdx,
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kVoice_FIdx,
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kLoc_FIdx,
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kTick_FIdx,
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kSec_FIdx,
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kDur_FIdx,
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kRval_FIdx,
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kSPitch_FIdx,
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kDMark_FIdx,
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kDLevel_FIdx,
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kStatus_FIdx,
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kD0_FIdx,
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kD1_FIdx,
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kBar_FIdx,
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kSection_FIdx,
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kBpm_FIdx,
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kGrace_FIdx,
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kPedal_FIdx,
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kMax_FIdx
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};
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rc_t rc = kOkRC;
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unsigned bfi = 0;
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unsigned efi = 0;
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unsigned field_idx = 0;
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for(field_idx=0; field_idx != kMax_FIdx; ++field_idx)
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{
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if((efi = _scan_to_end_of_field(line_buf,efi,lineBufCharCnt)) == kInvalidIdx )
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{
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rc = cwLogError( rc, "End of field scan failed");
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goto errLabel;
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}
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if( bfi != efi )
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{
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switch( field_idx )
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{
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case kLoc_FIdx:
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rc = _parse_csv_unsigned( line_buf, bfi, efi, e->loc );
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break;
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case kSec_FIdx:
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rc = _parse_csv_double( line_buf, bfi, efi, e->sec );
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break;
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case kStatus_FIdx:
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rc = _parse_csv_unsigned( line_buf, bfi, efi, e->status );
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break;
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case kD0_FIdx:
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rc = _parse_csv_unsigned( line_buf, bfi, efi, e->d0 );
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break;
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case kD1_FIdx:
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rc = _parse_csv_unsigned( line_buf, bfi, efi, e->d1 );
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break;
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default:
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break;
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}
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}
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bfi = efi + 1;
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efi = efi + 1;
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}
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errLabel:
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return rc;
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}
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rc_t _parse_csv( score_t* p, const char* fn )
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{
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rc_t rc;
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file::handle_t fH;
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unsigned line_count = 0;
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char* lineBufPtr = nullptr;
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unsigned lineBufCharCnt = 0;
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event_t* e = nullptr;
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if((rc = file::open( fH, fn, file::kReadFl )) != kOkRC )
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{
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rc = cwLogError( rc, "Piano score file open failed on '%s'.",cwStringNullGuard(fn));
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goto errLabel;
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}
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if((rc = file::lineCount(fH,&line_count)) != kOkRC )
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{
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rc = cwLogError( rc, "Line count query failed on '%s'.",cwStringNullGuard(fn));
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goto errLabel;
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}
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p->min_uid = kInvalidId;
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p->uid_mapN = 0;
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for(unsigned line=0; line<line_count; ++line)
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if( line > 0 ) // skip column title line
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{
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if((rc = getLineAuto( fH, &lineBufPtr, &lineBufCharCnt )) != kOkRC )
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{
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rc = cwLogError( rc, "Line read failed on '%s' line number '%i'.",cwStringNullGuard(fn),line+1);
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goto errLabel;
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}
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e = mem::allocZ<event_t>();
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if((rc = _parse_csv_line( p, e, lineBufPtr, lineBufCharCnt )) != kOkRC )
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{
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mem::release(e);
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rc = cwLogError( rc, "Line parse failed on '%s' line number '%i'.",cwStringNullGuard(fn),line+1);
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goto errLabel;
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}
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// assign the UID
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e->uid = line;
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// link the event into the event list
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if( p->end != nullptr )
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p->end->link = e;
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else
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p->base = e;
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p->end = e;
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// track the max 'loc' id
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if( e->loc > p->maxLocId )
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p->maxLocId = e->loc;
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if( p->min_uid == kInvalidId || e->uid < p->min_uid )
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p->min_uid = e->uid;
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p->uid_mapN += 1;
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}
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errLabel:
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mem::release(lineBufPtr);
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file::close(fH);
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return rc;
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}
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rc_t _parse_event_list( score_t* p, const object_t* cfg )
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{
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rc_t rc;
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const object_t* eventL;
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if((rc = cfg->getv( "evtL", eventL )) != kOkRC || eventL->is_list()==false )
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rc = cwLogError( rc, "Unable to locate the 'evtL' configuration tag.");
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else
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{
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//unsigned eventN = eventL->child_count();
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const object_t* evt_cfg = eventL->next_child_ele(nullptr);
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for(unsigned i=0; evt_cfg != nullptr; evt_cfg = eventL->next_child_ele(evt_cfg),++i)
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{
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const char* sci_pitch = nullptr;
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const char* dmark = nullptr;
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const char* grace_mark = nullptr;
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//const object_t* evt_cfg = eventL->next_child_ele(i);
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event_t* e = mem::allocZ<event_t>();
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if((rc = evt_cfg->getv( "meas", e->meas,
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"voice", e->voice,
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"loc", e->loc,
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"tick", e->tick,
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"sec", e->sec )) != kOkRC )
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{
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rc = cwLogError(rc,"Score parse failed on required event fields at event index:%i.",i);
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goto errLabel;
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}
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if((rc = evt_cfg->getv_opt( "rval", e->rval,
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"sci_pitch", sci_pitch,
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"dmark", dmark,
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"dlevel", e->dlevel,
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"status", e->status,
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"d0", e->d0,
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"d1", e->d1,
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"grace", grace_mark,
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"section", e->section,
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"bpm", e->bpm,
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"bar", e->bar)) != kOkRC )
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{
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rc = cwLogError(rc,"Score parse failed on optional event fields at event index:%i.",i);
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goto errLabel;
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}
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if( sci_pitch != nullptr )
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strncpy(e->sci_pitch,sci_pitch,sizeof(e->sci_pitch));
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if( dmark != nullptr )
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strncpy(e->dmark,dmark,sizeof(e->dmark));
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if( grace_mark != nullptr )
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strncpy(e->grace_mark,grace_mark,sizeof(e->grace_mark));
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// assign the UID
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e->uid = i;
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// link the event into the event list
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if( p->end != nullptr )
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p->end->link = e;
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else
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p->base = e;
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p->end = e;
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// track the max 'loc' id
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if( e->loc > p->maxLocId )
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p->maxLocId = e->loc;
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}
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}
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errLabel:
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return rc;
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}
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const event_t* _uid_to_event( score_t* p, unsigned uid )
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{
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const event_t* e = p->base;
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for(; e!=nullptr; e=e->link)
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if( e->uid == uid )
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return e;
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return nullptr;
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}
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const event_t* _loc_to_event( score_t* p, unsigned loc )
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{
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const event_t* e = p->base;
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for(; e!=nullptr; e=e->link)
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if( e->loc == loc )
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return e;
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return nullptr;
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}
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}
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}
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cw::rc_t cw::score::create( handle_t& hRef, const char* fn )
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{
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rc_t rc;
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object_t* cfg = nullptr;
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score_t* p = nullptr;
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if((rc = destroy(hRef)) != kOkRC )
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return rc;
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// parse the cfg file
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/*
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if((rc = objectFromFile( fn, cfg )) != kOkRC )
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{
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rc = cwLogError(rc,"Score parse failed on file: '%s'.", fn);
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goto errLabel;
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}
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rc = create(hRef,cfg);
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*/
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p = mem::allocZ< score_t >();
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rc = _parse_csv(p,fn);
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hRef.set(p);
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//errLabel:
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if( cfg != nullptr )
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cfg->free();
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if( rc != kOkRC )
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destroy(hRef);
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return rc;
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}
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cw::rc_t cw::score::create( handle_t& hRef, const object_t* cfg )
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{
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rc_t rc;
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if((rc = destroy(hRef)) != kOkRC )
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return rc;
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score_t* p = mem::allocZ< score_t >();
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// parse the event list
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if((rc = _parse_event_list(p, cfg)) != kOkRC )
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{
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rc = cwLogError(rc,"Score event list parse failed.");
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goto errLabel;
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}
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hRef.set(p);
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errLabel:
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if( rc != kOkRC )
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destroy(hRef);
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return rc;
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}
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cw::rc_t cw::score::destroy( handle_t& hRef )
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{
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rc_t rc = kOkRC;
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if( !hRef.isValid() )
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return rc;
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score_t* p = _handleToPtr(hRef);
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if((rc = _destroy(p)) != kOkRC )
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return rc;
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mem::release(p);
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hRef.clear();
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return rc;
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}
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unsigned cw::score::event_count( handle_t h )
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{
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score_t* p = _handleToPtr(h);
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unsigned n = 0;
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for(event_t* e=p->base; e!=nullptr; e=e->link)
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++n;
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return n;
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}
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const cw::score::event_t* cw::score::base_event( handle_t h )
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{
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score_t* p = _handleToPtr(h);
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return p->base;
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}
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cw::rc_t cw::score::event_to_string( handle_t h, unsigned uid, char* buf, unsigned buf_byte_cnt )
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{
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score_t* p = _handleToPtr(h);
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const event_t* e = nullptr;
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rc_t rc = kOkRC;
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if((e = _uid_to_event( p, uid )) == nullptr )
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rc = cwLogError(kInvalidIdRC,"A score event with uid=%i does not exist.",uid);
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else
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{
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const char* sci_pitch = strlen(e->sci_pitch) ? e->sci_pitch : "";
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const char* dyn_mark = strlen(e->dmark) ? e->dmark : "";
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const char* grace_mark= strlen(e->grace_mark) ? e->grace_mark : "";
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if( midi::isSustainPedal( e->status, e->d0 ) )
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sci_pitch = midi::isPedalDown( e->status, e->d0, e->d1 ) ? "Dv" : "D^";
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else
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if( midi::isSostenutoPedal( e->status, e->d0 ) )
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sci_pitch = midi::isPedalDown( e->status, e->d0, e->d1 ) ? "Sv" : "S^";
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snprintf(buf,buf_byte_cnt,"uid:%5i meas:%4i loc:%4i tick:%8i sec:%8.3f %4s %5s %3s (st:0x%02x d1:0x%02x d0:0x%02x)", e->uid, e->meas, e->loc, e->tick, e->sec, sci_pitch, dyn_mark, grace_mark, e->status, e->d0, e->d1 );
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}
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return rc;
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}
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unsigned cw::score::loc_count( handle_t h )
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{
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score_t* p = _handleToPtr(h);
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return p->maxLocId;
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}
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bool cw::score::is_loc_valid( handle_t h, unsigned locId )
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{
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score_t* p = _handleToPtr(h);
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return locId < p->maxLocId;
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}
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unsigned cw::score::loc_to_measure( handle_t h, unsigned locId )
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{
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score_t* p = _handleToPtr(h);
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const event_t* e;
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if((e = _loc_to_event(p,locId)) == nullptr )
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return 0;
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return kInvalidId;
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}
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unsigned cw::score::loc_to_next_note_on_measure( handle_t h, unsigned locId )
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{
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score_t* p = _handleToPtr(h);
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const event_t* e = _loc_to_event(p,locId);
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while( e != nullptr )
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if( midi::isNoteOn(e->status))
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return e->meas;
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return kInvalidId;
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}
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const cw::score::event_t* cw::score::uid_to_event( handle_t h, unsigned uid )
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{
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//hscore_t* p = _handleToPtr(h);
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return nullptr;
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}
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cw::rc_t cw::score::test( const object_t* cfg )
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{
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handle_t h;
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rc_t rc = kOkRC;
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const char* fname = nullptr;
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if((rc = cfg->getv( "filename", fname )) != kOkRC )
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{
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rc = cwLogError(rc,"Arg. parsing failed.");
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goto errLabel;
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}
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if((rc = create( h, fname )) != kOkRC )
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{
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rc = cwLogError(rc,"Score create failed.");
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goto errLabel;
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}
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cwLogInfo("Score created from '%s'.",cwStringNullGuard(fname));
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errLabel:
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destroy(h);
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return rc;
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}
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