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durations.cpp
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durations.cpp
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//
// Programmer: Craig Stuart Sapp <craig@ccrma.stanford.edu>
// Creation Date: Sat Mar 12 12:35:38 PST 2022
// Last Modified: Sat Mar 12 12:52:21 PST 2022
// Filename: cli/durations.cpp
// URL: https://github.com/craigsapp/humlib/blob/master/cli/durations.cpp
// Syntax: C++11
// vim: ts=3 noexpandtab nowrap
//
// Description: Extract list of durations of notes in a score. Durations are in units
// of quarter notes. Duration qualifiers appended to output durations:
// T = the duration contains a group of tied notes
// R = the duration is for a rest
// G = Grace note
//
// NB: Chords are treated as a single entry, and chords with
// a mix of tied untied notes are not considered separately
// (the state of the first note in the chord list is the
// only one considered).
//
#include "humlib.h"
using namespace std;
using namespace hum;
void processFile(HumdrumFile &infile);
int main(int argc, char **argv) {
Options options;
options.process(argc, argv);
HumdrumFileStream instream(options);
HumdrumFile infile;
while (instream.read(infile)) {
processFile(infile);
}
return 0;
}
//////////////////////////////
//
// processFile --
//
void processFile(HumdrumFile &infile) {
for (int i=0; i<infile.getLineCount(); i++) {
if (!infile[i].isData()) {
continue;
}
for (int j=0; j<infile[i].getFieldCount(); j++) {
HTp token = infile.token(i, j);
if (!token->isKern()) {
continue;
}
if (token->isNull()) {
continue;
}
if (token->isSecondaryTiedNote()) {
continue;
}
string rest = token->isRest() ? "R" : "";
string grace = token->isGrace() ? "G" : "";
string tie = (token->find("[") != string::npos) || token->isSecondaryTiedNote() ? "T" : "";
HumNum duration;
duration = token->getTiedDuration();
cout << duration.getFloat() << rest << grace << tie << endl;
}
}
}