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73 lines (61 loc) · 2.69 KB
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//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///<reference path='references.ts' />
module TypeScript {
export function stripStartAndEndQuotes(str: string) {
var firstCharCode = str && str.charCodeAt(0);
if (str && str.length >= 2 && firstCharCode === str.charCodeAt(str.length - 1) && (firstCharCode === CharacterCodes.singleQuote || firstCharCode === CharacterCodes.doubleQuote)) {
return str.substring(1, str.length - 1);
}
return str;
}
var switchToForwardSlashesRegEx = /\\/g;
export function switchToForwardSlashes(path: string) {
return path.replace(switchToForwardSlashesRegEx, "/");
}
function isFileOfExtension(fname: string, ext: string) {
var invariantFname = fname.toLocaleUpperCase();
var invariantExt = ext.toLocaleUpperCase();
var extLength = invariantExt.length;
return invariantFname.length > extLength && invariantFname.substring(invariantFname.length - extLength, invariantFname.length) === invariantExt;
}
export function isDTSFile(fname: string) {
return isFileOfExtension(fname, ".d.ts");
}
export function getPathComponents(path: string) {
return path.split("/");
}
var normalizePathRegEx = /^\\\\[^\\]/;
export function normalizePath(path: string): string {
// If it's a UNC style path (i.e. \\server\share), convert to a URI style (i.e. file://server/share)
if (normalizePathRegEx.test(path)) {
path = "file:" + path;
}
var parts = getPathComponents(switchToForwardSlashes(path));
var normalizedParts: string[] = [];
for (var i = 0; i < parts.length; i++) {
var part = parts[i];
if (part === ".") {
continue;
}
if (normalizedParts.length > 0 && ArrayUtilities.last(normalizedParts) !== ".." && part === "..") {
normalizedParts.pop();
continue;
}
normalizedParts.push(part);
}
return normalizedParts.join("/");
}
}