+376
-207
lines changedFilter options
+376
-207
lines changed Original file line number Diff line number Diff line change
@@ -138,8 +138,8 @@ const µBlock = (( ) => { // jshint ignore:line
138 138 139 139
// Read-only
140 140
systemSettings: {
141 -
compiledMagic: 27, // Increase when compiled format changes
142 -
selfieMagic: 26, // Increase when selfie format changes
141 +
compiledMagic: 28, // Increase when compiled format changes
142 +
selfieMagic: 28, // Increase when selfie format changes
143 143
},
144 144 145 145
// https://github.com/uBlockOrigin/uBlock-issues/issues/759#issuecomment-546654501
@@ -407,6 +407,49 @@ const HNTrieContainer = class {
407 407
return true;
408 408
}
409 409 410 +
// The following *Hostname() methods can be used to store hostname strings
411 +
// outside the trie. This is useful to store/match hostnames which are
412 +
// not part of a collection, and yet still benefit from storing the strings
413 +
// into a trie container's character buffer.
414 +
// TODO: WASM version of matchesHostname()
415 + 416 +
storeHostname(hn) {
417 +
let n = hn.length;
418 +
if ( n > 255 ) {
419 +
hn = hn.slice(-255);
420 +
n = 255;
421 +
}
422 +
if ( (this.buf.length - this.buf32[CHAR1_SLOT]) < n ) {
423 +
this.growBuf(0, n);
424 +
}
425 +
const offset = this.buf32[CHAR1_SLOT];
426 +
this.buf32[CHAR1_SLOT] = offset + n;
427 +
const buf8 = this.buf;
428 +
for ( let i = 0; i < n; i++ ) {
429 +
buf8[offset+i] = hn.charCodeAt(i);
430 +
}
431 +
return offset - this.buf32[CHAR0_SLOT];
432 +
}
433 + 434 +
extractHostname(i, n) {
435 +
const textDecoder = new TextDecoder();
436 +
const offset = this.buf32[CHAR0_SLOT] + i;
437 +
return textDecoder.decode(this.buf.subarray(offset, offset + n));
438 +
}
439 + 440 +
matchesHostname(hn, i, n) {
441 +
this.setNeedle(hn);
442 +
const buf8 = this.buf;
443 +
const hr = buf8[255];
444 +
if ( n > hr ) { return false; }
445 +
const hl = hr - n;
446 +
const nl = this.buf32[CHAR0_SLOT] + i;
447 +
for ( let j = 0; j < n; j++ ) {
448 +
if ( buf8[nl+j] !== buf8[hl+j] ) { return false; }
449 +
}
450 +
return n === hr || hn.charCodeAt(hl-1) === 0x2E /* '.' */;
451 +
}
452 + 410 453
async enableWASM() {
411 454
if ( typeof WebAssembly !== 'object' ) { return false; }
412 455
if ( this.wasmMemory instanceof WebAssembly.Memory ) { return true; }
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