development/vscode
development/vscode
1
0
Fork 0
mirror of https://github.com/Microsoft/vscode synced 2024-10-30 11:10:48 +00:00
Code Issues Projects Releases Packages Wiki Activity

Remove duplicated search helpers

Browse source
This commit is contained in:
Rob Lourens 2018-10-24 10:55:06 -07:00
parent a3e49cae31
commit 5ad9e9c22e
1 changed files with 1 additions and 56 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

57
src/vs/workbench/services/search/node/ripgrepTextSearchEngine.ts
View file

@ -7,7 +7,7 @@ import * as cp from 'child_process';
import { EventEmitter } from 'events';
import * as path from 'path';
import { NodeStringDecoder, StringDecoder } from 'string_decoder';
import { startsWith } from 'vs/base/common/strings';
import { startsWith, startsWithUTF8BOM, stripUTF8BOM, createRegExp } from 'vs/base/common/strings';
import { URI } from 'vs/base/common/uri';
import * as vscode from 'vscode';
import { rgPath } from 'vscode-ripgrep';
@ -333,58 +333,3 @@ function getRgArgs(query: vscode.TextSearchQuery, options: vscode.TextSearchOpti
return args;
}
interface RegExpOptions {
matchCase?: boolean;
wholeWord?: boolean;
multiline?: boolean;
global?: boolean;
}
function createRegExp(searchString: string, isRegex: boolean, options: RegExpOptions = {}): RegExp {
if (!searchString) {
throw new Error('Cannot create regex from empty string');
}
if (!isRegex) {
searchString = escapeRegExpCharacters(searchString);
}
if (options.wholeWord) {
if (!/\B/.test(searchString.charAt(0))) {
searchString = '\\b' + searchString;
}
if (!/\B/.test(searchString.charAt(searchString.length - 1))) {
searchString = searchString + '\\b';
}
}
let modifiers = '';
if (options.global) {
modifiers += 'g';
}
if (!options.matchCase) {
modifiers += 'i';
}
if (options.multiline) {
modifiers += 'm';
}
return new RegExp(searchString, modifiers);
}
/**
* Escapes regular expression characters in a given string
*/
function escapeRegExpCharacters(value: string): string {
return value.replace(/[\-\\\{\}\*\+\?\|\^\$\.\[\]\(\)\#]/g, '\\$&');
}
// -- UTF-8 BOM
const UTF8_BOM = 65279;
function startsWithUTF8BOM(str: string): boolean {
return !!(str && str.length > 0 && str.charCodeAt(0) === UTF8_BOM);
}
function stripUTF8BOM(str: string): string {
return startsWithUTF8BOM(str) ? str.substr(1) : str;
}