GithubFollow/Surge_by_SukkaW
1
0
Fork 0
mirror of https://github.com/SukkaW/Surge.git synced 2025-12-12 09:10:35 +08:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

Perf: fast bail out filter parsing

Browse Source
This commit is contained in:
SukkaW 2024-02-03 21:36:30 +08:00
parent 067d19f488
commit 43562f62d4
1 changed files with 24 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
Build/lib/parse-filter.ts
View File

@ -10,6 +10,7 @@ import { normalizeDomain } from './normalize-domain';
import { fetchAssets } from './fetch-assets';
import { deserializeSet, fsFetchCache, serializeSet } from './cache-filesystem';
import type { Span } from '../trace';
import createKeywordFilter from './aho-corasick';
const DEBUG_DOMAIN_TO_FIND: string | null = null; // example.com | null
let foundDebugDomain = false;
@ -241,25 +242,37 @@ export async function processFilterRules(
};
}
const R_KNOWN_NOT_NETWORK_FILTER_PATTERN = /[#%&=~]/;
const R_KNOWN_NOT_NETWORK_FILTER_PATTERN_2 = /(\$popup|\$removeparam|\$popunder|\$cname)/;
// const R_KNOWN_NOT_NETWORK_FILTER_PATTERN_2 = /(\$popup|\$removeparam|\$popunder|\$cname)/;
// cname exceptional filter can not be parsed by NetworkFilter
// Surge / Clash can't handle CNAME either, so we just ignore them
const kwfilter = createKeywordFilter([
'!',
'?',
'*',
'[',
'(',
']',
')',
',',
'#',
'%',
'&',
'=',
'~',
// special modifier
'$popup',
'$removeparam',
'$popunder',
'$cname'
]);
function parse($line: string, gorhill: PublicSuffixList): null | [hostname: string, flag: ParseType] {
if (
// doesn't include
!$line.includes('.') // rule with out dot can not be a domain
// includes
|| $line.includes('!')
|| $line.includes('?')
|| $line.includes('*')
|| $line.includes('[')
|| $line.includes('(')
|| $line.includes(']')
|| $line.includes(')')
|| $line.includes(',')
|| R_KNOWN_NOT_NETWORK_FILTER_PATTERN.test($line)
|| kwfilter($line)
) {
return null;
}
@ -281,8 +294,6 @@ function parse($line: string, gorhill: PublicSuffixList): null | [hostname: stri
|| lastCharCode === 46 // 46 `.`, line.endsWith('.')
|| lastCharCode === 45 // 45 `-`, line.endsWith('-')
|| lastCharCode === 95 // 95 `_`, line.endsWith('_')
// special modifier
|| R_KNOWN_NOT_NETWORK_FILTER_PATTERN_2.test(line)
// || line.includes('$popup')
// || line.includes('$removeparam')
// || line.includes('$popunder')