js-cfb/bits/43_rbtree.js
SheetJS 5c7df1f3db version bump 0.10.0: performance
- reworked IIFE
- avoid Buffer read helpers (see https://github.com/joyent/node/issues/7809)
- avoid nested functions in parse
- eliminate consecutive nulls in test files (libreoffice)
- travis + coveralls support
- jscs linting
2014-06-24 00:00:39 -04:00

42 lines
1.1 KiB
JavaScript

/* [MS-CFB] 2.6.4 Red-Black Tree */
function build_full_paths(FI, FPD, FP, Paths) {
var i = 0, L = 0, R = 0, C = 0, j = 0, pl = Paths.length;
var dad = new Array(pl), q = new Array(pl);
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) {
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] += "/";
FPD[FP[i]] = FI[i];
}
}