big-moving.ru/api/soft/monako/esm/vs/base/common/glob.js

496 lines
19 KiB
JavaScript
Executable File

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as arrays from './arrays.js';
import * as strings from './strings.js';
import * as extpath from './extpath.js';
import * as paths from './path.js';
import { LRUCache } from './map.js';
import { isThenable } from './async.js';
var GLOBSTAR = '**';
var GLOB_SPLIT = '/';
var PATH_REGEX = '[/\\\\]'; // any slash or backslash
var NO_PATH_REGEX = '[^/\\\\]'; // any non-slash and non-backslash
var ALL_FORWARD_SLASHES = /\//g;
function starsToRegExp(starCount) {
switch (starCount) {
case 0:
return '';
case 1:
return NO_PATH_REGEX + "*?"; // 1 star matches any number of characters except path separator (/ and \) - non greedy (?)
default:
// Matches: (Path Sep OR Path Val followed by Path Sep OR Path Sep followed by Path Val) 0-many times
// Group is non capturing because we don't need to capture at all (?:...)
// Overall we use non-greedy matching because it could be that we match too much
return "(?:" + PATH_REGEX + "|" + NO_PATH_REGEX + "+" + PATH_REGEX + "|" + PATH_REGEX + NO_PATH_REGEX + "+)*?";
}
}
export function splitGlobAware(pattern, splitChar) {
if (!pattern) {
return [];
}
var segments = [];
var inBraces = false;
var inBrackets = false;
var curVal = '';
for (var _i = 0, pattern_1 = pattern; _i < pattern_1.length; _i++) {
var char = pattern_1[_i];
switch (char) {
case splitChar:
if (!inBraces && !inBrackets) {
segments.push(curVal);
curVal = '';
continue;
}
break;
case '{':
inBraces = true;
break;
case '}':
inBraces = false;
break;
case '[':
inBrackets = true;
break;
case ']':
inBrackets = false;
break;
}
curVal += char;
}
// Tail
if (curVal) {
segments.push(curVal);
}
return segments;
}
function parseRegExp(pattern) {
if (!pattern) {
return '';
}
var regEx = '';
// Split up into segments for each slash found
var segments = splitGlobAware(pattern, GLOB_SPLIT);
// Special case where we only have globstars
if (segments.every(function (s) { return s === GLOBSTAR; })) {
regEx = '.*';
}
// Build regex over segments
else {
var previousSegmentWasGlobStar_1 = false;
segments.forEach(function (segment, index) {
// Globstar is special
if (segment === GLOBSTAR) {
// if we have more than one globstar after another, just ignore it
if (!previousSegmentWasGlobStar_1) {
regEx += starsToRegExp(2);
previousSegmentWasGlobStar_1 = true;
}
return;
}
// States
var inBraces = false;
var braceVal = '';
var inBrackets = false;
var bracketVal = '';
for (var _i = 0, segment_1 = segment; _i < segment_1.length; _i++) {
var char = segment_1[_i];
// Support brace expansion
if (char !== '}' && inBraces) {
braceVal += char;
continue;
}
// Support brackets
if (inBrackets && (char !== ']' || !bracketVal) /* ] is literally only allowed as first character in brackets to match it */) {
var res = void 0;
// range operator
if (char === '-') {
res = char;
}
// negation operator (only valid on first index in bracket)
else if ((char === '^' || char === '!') && !bracketVal) {
res = '^';
}
// glob split matching is not allowed within character ranges
// see http://man7.org/linux/man-pages/man7/glob.7.html
else if (char === GLOB_SPLIT) {
res = '';
}
// anything else gets escaped
else {
res = strings.escapeRegExpCharacters(char);
}
bracketVal += res;
continue;
}
switch (char) {
case '{':
inBraces = true;
continue;
case '[':
inBrackets = true;
continue;
case '}':
var choices = splitGlobAware(braceVal, ',');
// Converts {foo,bar} => [foo|bar]
var braceRegExp = "(?:" + choices.map(function (c) { return parseRegExp(c); }).join('|') + ")";
regEx += braceRegExp;
inBraces = false;
braceVal = '';
break;
case ']':
regEx += ('[' + bracketVal + ']');
inBrackets = false;
bracketVal = '';
break;
case '?':
regEx += NO_PATH_REGEX; // 1 ? matches any single character except path separator (/ and \)
continue;
case '*':
regEx += starsToRegExp(1);
continue;
default:
regEx += strings.escapeRegExpCharacters(char);
}
}
// Tail: Add the slash we had split on if there is more to come and the remaining pattern is not a globstar
// For example if pattern: some/**/*.js we want the "/" after some to be included in the RegEx to prevent
// a folder called "something" to match as well.
// However, if pattern: some/**, we tolerate that we also match on "something" because our globstar behaviour
// is to match 0-N segments.
if (index < segments.length - 1 && (segments[index + 1] !== GLOBSTAR || index + 2 < segments.length)) {
regEx += PATH_REGEX;
}
// reset state
previousSegmentWasGlobStar_1 = false;
});
}
return regEx;
}
// regexes to check for trival glob patterns that just check for String#endsWith
var T1 = /^\*\*\/\*\.[\w\.-]+$/; // **/*.something
var T2 = /^\*\*\/([\w\.-]+)\/?$/; // **/something
var T3 = /^{\*\*\/[\*\.]?[\w\.-]+\/?(,\*\*\/[\*\.]?[\w\.-]+\/?)*}$/; // {**/*.something,**/*.else} or {**/package.json,**/project.json}
var T3_2 = /^{\*\*\/[\*\.]?[\w\.-]+(\/(\*\*)?)?(,\*\*\/[\*\.]?[\w\.-]+(\/(\*\*)?)?)*}$/; // Like T3, with optional trailing /**
var T4 = /^\*\*((\/[\w\.-]+)+)\/?$/; // **/something/else
var T5 = /^([\w\.-]+(\/[\w\.-]+)*)\/?$/; // something/else
var CACHE = new LRUCache(10000); // bounded to 10000 elements
var FALSE = function () {
return false;
};
var NULL = function () {
return null;
};
function parsePattern(arg1, options) {
if (!arg1) {
return NULL;
}
// Handle IRelativePattern
var pattern;
if (typeof arg1 !== 'string') {
pattern = arg1.pattern;
}
else {
pattern = arg1;
}
// Whitespace trimming
pattern = pattern.trim();
// Check cache
var patternKey = pattern + "_" + !!options.trimForExclusions;
var parsedPattern = CACHE.get(patternKey);
if (parsedPattern) {
return wrapRelativePattern(parsedPattern, arg1);
}
// Check for Trivias
var match;
if (T1.test(pattern)) { // common pattern: **/*.txt just need endsWith check
var base_1 = pattern.substr(4); // '**/*'.length === 4
parsedPattern = function (path, basename) {
return typeof path === 'string' && strings.endsWith(path, base_1) ? pattern : null;
};
}
else if (match = T2.exec(trimForExclusions(pattern, options))) { // common pattern: **/some.txt just need basename check
parsedPattern = trivia2(match[1], pattern);
}
else if ((options.trimForExclusions ? T3_2 : T3).test(pattern)) { // repetition of common patterns (see above) {**/*.txt,**/*.png}
parsedPattern = trivia3(pattern, options);
}
else if (match = T4.exec(trimForExclusions(pattern, options))) { // common pattern: **/something/else just need endsWith check
parsedPattern = trivia4and5(match[1].substr(1), pattern, true);
}
else if (match = T5.exec(trimForExclusions(pattern, options))) { // common pattern: something/else just need equals check
parsedPattern = trivia4and5(match[1], pattern, false);
}
// Otherwise convert to pattern
else {
parsedPattern = toRegExp(pattern);
}
// Cache
CACHE.set(patternKey, parsedPattern);
return wrapRelativePattern(parsedPattern, arg1);
}
function wrapRelativePattern(parsedPattern, arg2) {
if (typeof arg2 === 'string') {
return parsedPattern;
}
return function (path, basename) {
if (!extpath.isEqualOrParent(path, arg2.base)) {
return null;
}
return parsedPattern(paths.relative(arg2.base, path), basename);
};
}
function trimForExclusions(pattern, options) {
return options.trimForExclusions && strings.endsWith(pattern, '/**') ? pattern.substr(0, pattern.length - 2) : pattern; // dropping **, tailing / is dropped later
}
// common pattern: **/some.txt just need basename check
function trivia2(base, originalPattern) {
var slashBase = "/" + base;
var backslashBase = "\\" + base;
var parsedPattern = function (path, basename) {
if (typeof path !== 'string') {
return null;
}
if (basename) {
return basename === base ? originalPattern : null;
}
return path === base || strings.endsWith(path, slashBase) || strings.endsWith(path, backslashBase) ? originalPattern : null;
};
var basenames = [base];
parsedPattern.basenames = basenames;
parsedPattern.patterns = [originalPattern];
parsedPattern.allBasenames = basenames;
return parsedPattern;
}
// repetition of common patterns (see above) {**/*.txt,**/*.png}
function trivia3(pattern, options) {
var parsedPatterns = aggregateBasenameMatches(pattern.slice(1, -1).split(',')
.map(function (pattern) { return parsePattern(pattern, options); })
.filter(function (pattern) { return pattern !== NULL; }), pattern);
var n = parsedPatterns.length;
if (!n) {
return NULL;
}
if (n === 1) {
return parsedPatterns[0];
}
var parsedPattern = function (path, basename) {
for (var i = 0, n_1 = parsedPatterns.length; i < n_1; i++) {
if (parsedPatterns[i](path, basename)) {
return pattern;
}
}
return null;
};
var withBasenames = arrays.first(parsedPatterns, function (pattern) { return !!pattern.allBasenames; });
if (withBasenames) {
parsedPattern.allBasenames = withBasenames.allBasenames;
}
var allPaths = parsedPatterns.reduce(function (all, current) { return current.allPaths ? all.concat(current.allPaths) : all; }, []);
if (allPaths.length) {
parsedPattern.allPaths = allPaths;
}
return parsedPattern;
}
// common patterns: **/something/else just need endsWith check, something/else just needs and equals check
function trivia4and5(path, pattern, matchPathEnds) {
var nativePath = paths.sep !== paths.posix.sep ? path.replace(ALL_FORWARD_SLASHES, paths.sep) : path;
var nativePathEnd = paths.sep + nativePath;
var parsedPattern = matchPathEnds ? function (path, basename) {
return typeof path === 'string' && (path === nativePath || strings.endsWith(path, nativePathEnd)) ? pattern : null;
} : function (path, basename) {
return typeof path === 'string' && path === nativePath ? pattern : null;
};
parsedPattern.allPaths = [(matchPathEnds ? '*/' : './') + path];
return parsedPattern;
}
function toRegExp(pattern) {
try {
var regExp_1 = new RegExp("^" + parseRegExp(pattern) + "$");
return function (path, basename) {
regExp_1.lastIndex = 0; // reset RegExp to its initial state to reuse it!
return typeof path === 'string' && regExp_1.test(path) ? pattern : null;
};
}
catch (error) {
return NULL;
}
}
export function match(arg1, path, hasSibling) {
if (!arg1 || typeof path !== 'string') {
return false;
}
return parse(arg1)(path, undefined, hasSibling);
}
export function parse(arg1, options) {
if (options === void 0) { options = {}; }
if (!arg1) {
return FALSE;
}
// Glob with String
if (typeof arg1 === 'string' || isRelativePattern(arg1)) {
var parsedPattern_1 = parsePattern(arg1, options);
if (parsedPattern_1 === NULL) {
return FALSE;
}
var resultPattern = function (path, basename) {
return !!parsedPattern_1(path, basename);
};
if (parsedPattern_1.allBasenames) {
resultPattern.allBasenames = parsedPattern_1.allBasenames;
}
if (parsedPattern_1.allPaths) {
resultPattern.allPaths = parsedPattern_1.allPaths;
}
return resultPattern;
}
// Glob with Expression
return parsedExpression(arg1, options);
}
export function isRelativePattern(obj) {
var rp = obj;
return rp && typeof rp.base === 'string' && typeof rp.pattern === 'string';
}
function parsedExpression(expression, options) {
var parsedPatterns = aggregateBasenameMatches(Object.getOwnPropertyNames(expression)
.map(function (pattern) { return parseExpressionPattern(pattern, expression[pattern], options); })
.filter(function (pattern) { return pattern !== NULL; }));
var n = parsedPatterns.length;
if (!n) {
return NULL;
}
if (!parsedPatterns.some(function (parsedPattern) { return !!parsedPattern.requiresSiblings; })) {
if (n === 1) {
return parsedPatterns[0];
}
var resultExpression_1 = function (path, basename) {
for (var i = 0, n_2 = parsedPatterns.length; i < n_2; i++) {
// Pattern matches path
var result = parsedPatterns[i](path, basename);
if (result) {
return result;
}
}
return null;
};
var withBasenames_1 = arrays.first(parsedPatterns, function (pattern) { return !!pattern.allBasenames; });
if (withBasenames_1) {
resultExpression_1.allBasenames = withBasenames_1.allBasenames;
}
var allPaths_1 = parsedPatterns.reduce(function (all, current) { return current.allPaths ? all.concat(current.allPaths) : all; }, []);
if (allPaths_1.length) {
resultExpression_1.allPaths = allPaths_1;
}
return resultExpression_1;
}
var resultExpression = function (path, basename, hasSibling) {
var name = undefined;
for (var i = 0, n_3 = parsedPatterns.length; i < n_3; i++) {
// Pattern matches path
var parsedPattern = parsedPatterns[i];
if (parsedPattern.requiresSiblings && hasSibling) {
if (!basename) {
basename = paths.basename(path);
}
if (!name) {
name = basename.substr(0, basename.length - paths.extname(path).length);
}
}
var result = parsedPattern(path, basename, name, hasSibling);
if (result) {
return result;
}
}
return null;
};
var withBasenames = arrays.first(parsedPatterns, function (pattern) { return !!pattern.allBasenames; });
if (withBasenames) {
resultExpression.allBasenames = withBasenames.allBasenames;
}
var allPaths = parsedPatterns.reduce(function (all, current) { return current.allPaths ? all.concat(current.allPaths) : all; }, []);
if (allPaths.length) {
resultExpression.allPaths = allPaths;
}
return resultExpression;
}
function parseExpressionPattern(pattern, value, options) {
if (value === false) {
return NULL; // pattern is disabled
}
var parsedPattern = parsePattern(pattern, options);
if (parsedPattern === NULL) {
return NULL;
}
// Expression Pattern is <boolean>
if (typeof value === 'boolean') {
return parsedPattern;
}
// Expression Pattern is <SiblingClause>
if (value) {
var when_1 = value.when;
if (typeof when_1 === 'string') {
var result = function (path, basename, name, hasSibling) {
if (!hasSibling || !parsedPattern(path, basename)) {
return null;
}
var clausePattern = when_1.replace('$(basename)', name);
var matched = hasSibling(clausePattern);
return isThenable(matched) ?
matched.then(function (m) { return m ? pattern : null; }) :
matched ? pattern : null;
};
result.requiresSiblings = true;
return result;
}
}
// Expression is Anything
return parsedPattern;
}
function aggregateBasenameMatches(parsedPatterns, result) {
var basenamePatterns = parsedPatterns.filter(function (parsedPattern) { return !!parsedPattern.basenames; });
if (basenamePatterns.length < 2) {
return parsedPatterns;
}
var basenames = basenamePatterns.reduce(function (all, current) {
var basenames = current.basenames;
return basenames ? all.concat(basenames) : all;
}, []);
var patterns;
if (result) {
patterns = [];
for (var i = 0, n = basenames.length; i < n; i++) {
patterns.push(result);
}
}
else {
patterns = basenamePatterns.reduce(function (all, current) {
var patterns = current.patterns;
return patterns ? all.concat(patterns) : all;
}, []);
}
var aggregate = function (path, basename) {
if (typeof path !== 'string') {
return null;
}
if (!basename) {
var i = void 0;
for (i = path.length; i > 0; i--) {
var ch = path.charCodeAt(i - 1);
if (ch === 47 /* Slash */ || ch === 92 /* Backslash */) {
break;
}
}
basename = path.substr(i);
}
var index = basenames.indexOf(basename);
return index !== -1 ? patterns[index] : null;
};
aggregate.basenames = basenames;
aggregate.patterns = patterns;
aggregate.allBasenames = basenames;
var aggregatedPatterns = parsedPatterns.filter(function (parsedPattern) { return !parsedPattern.basenames; });
aggregatedPatterns.push(aggregate);
return aggregatedPatterns;
}