js-cfb/bits/43_rbtree.js

/* [MS-CFB] 2.6.4 Red-Black Tree */
function build_full_paths(FI/*:CFBFileIndex*/, FP/*:Array<string>*/, Paths/*:Array<string>*/)/*:void*/ {
	var i = 0, L = 0, R = 0, C = 0, j = 0, pl = Paths.length;
	var dad/*:Array<number>*/ = [], q/*:Array<number>*/ = [];

	for(; i < pl; ++i) { dad[i]=q[i]=i; FP[i]=Paths[i]; }

	for(; j < q.length; ++j) {
		i = q[j];
		L = FI[i].L; R = FI[i].R; C = FI[i].C;
		if(dad[i] === i) {
			if(L !== -1 /*NOSTREAM*/ && dad[L] !== L) dad[i] = dad[L];
			if(R !== -1 && dad[R] !== R) dad[i] = dad[R];
		}
		if(C !== -1 /*NOSTREAM*/) dad[C] = i;
		if(L !== -1) { dad[L] = dad[i]; q.push(L); }
		if(R !== -1) { dad[R] = dad[i]; q.push(R); }
	}
	for(i=1; i !== pl; ++i) if(dad[i] === i) {
		if(R !== -1 /*NOSTREAM*/ && dad[R] !== R) dad[i] = dad[R];
		else if(L !== -1 && dad[L] !== L) dad[i] = dad[L];
	}

	for(i=1; i < pl; ++i) {
		if(FI[i].type === 0 /* unknown */) continue;
		j = dad[i];
		if(j === 0) FP[i] = FP[0] + "/" + FP[i];
		else while(j !== 0 && j !== dad[j]) {
			FP[i] = FP[j] + "/" + FP[i];
			j = dad[j];
		}
		dad[i] = 0;
	}

	FP[0] += "/";
	for(i=1; i < pl; ++i) {
		if(FI[i].type !== 2 /* stream */) FP[i] += "/";
	}
}