/**
* Gets the offset of next lig/kern instruction in a program based on counting only those
* intervene instructions which will be converted to final lig/kern program.
*
* @param pos the position of current lig/kern instruction in ligAuxTable.
* @return Returns the skip amount of the next instruction in the final version of lig/kern
* program.
*/
private int getSkip(final int pos) {
TfmLigKernCommand lkc = ligkerncommand[pos];
if (lkc.meansStop()) {
return -1;
}
int p = pos;
int skip = 0;
int next = lkc.nextIndex(pos);
while (++p < next) {
if (ligkerncommand[pos].getActivity() != TfmLigKernCommand.PASSTHROUGH) {
skip++;
}
}
return skip;
}
/**
* Marks the lig/kern instructions which are really a part of some lig/kern program (active),
* counts the final number of lig/kern instructions, creates the blank final lig/kern table and
* checks for errors. Uses <code>activity</code> field of LigKern for marking the activity. It
* supposes that the first instructions of programs are already marked active. TFtoPL[70]
*/
private void promoteActivity() {
int ligKernLength = 0;
for (int i = 0; i < ligkerncommand.length; i++) {
TfmLigKernCommand lkc = ligkerncommand[i];
if (lkc.getActivity() == TfmLigKernCommand.ACCESSIBLE) {
if (!lkc.meansStop()) {
int next = lkc.nextIndex(i);
if (next < ligkerncommand.length) {
ligkerncommand[next].setActivity(TfmLigKernCommand.ACCESSIBLE);
} else {
lkc.makeStop();
}
}
}
if (lkc.getActivity() != TfmLigKernCommand.PASSTHROUGH) {
ligKernLength++;
}
}
ligKernTable = new TfmLigKern[ligKernLength];
}
