float notenum_from_notetext(char *notetext){
int chroma, octave, sharp;
char *stripped = strip_whitespace(notetext);
char *notename;
int comma_pos = string_charpos(stripped, ',');
if (comma_pos != -1)
notename = substring(stripped,0,comma_pos);
else
notename = stripped;
printf("stripped: -%s-, notename: -%s-\n",stripped,notename);
if(strlen(notename)==2){
chroma = get_chroma(notename[0]);
sharp = 0;
octave = get_octave(notename[1]);
} else if(strlen(notename)==3){
chroma = get_chroma(notename[0]);
sharp = get_sharp(notename[1]);
octave = get_octave(notename[2]);
} else
return -1;
if(chroma==-1 || sharp==-2 || octave==-1)
return -1;
float decimals = 0.0f;
if (comma_pos != -1) {
char *decimaltext = stripped + comma_pos + 1;
#ifdef TEST_NOTES
decimals = atof(decimaltext) / 100.0f;
#else
decimals = OS_get_double_from_string(decimaltext) / 100.0f;
#endif
printf("decimaltext: -%s-, dec: %f\n",decimaltext,decimals);
}
float notenum = octave*12 + chroma + sharp + decimals;
if(notenum<=0 || notenum>127.99)
return -1;
else
return notenum;
}
char *parse_note_string(char *ptr, struct defaults *def, struct note *note){
char len_string[3];
char pitch_string[3];
char octave_string[2];
char dot[2];
// eat whitespace / commas and advance the pointer
char* dummy = malloc(strlen(ptr)+1);
if (dummy == NULL){ error("malloc failed");}
dummy[0] = '\0';
sscanf(ptr,"%[ ,]",dummy);
ptr += strlen(dummy);
free(dummy);
DEBUG&&printf("Begin Parsing Note String...\n");
ptr = get_len(ptr, len_string, def->len);
DEBUG&&printf("get_len Successful...\n");
ptr = get_pitch(ptr, pitch_string);
DEBUG&&printf("get_pitch Successful...\n");
ptr = get_octave(ptr, octave_string, def->oct);
DEBUG&&printf("get_octave Successful...\n");
ptr = get_dot(ptr, dot);
DEBUG&&printf("get_dot Successful...\n");
strcpy(note->pitch, pitch_string);
sscanf(len_string, "%d", &(note->length));
sscanf(octave_string, "%d", &(note->octave));
note->divisor = calc_divisor(pitch_string, octave_string);
DEBUG&&printf("divisor successful\n");
note->cycles = calc_cycles(def, len_string, dot);
DEBUG&&printf("cycles successful\n");
return ptr;
}
