SQL Operations Studio Public Preview 1 (0.23) release source code

build/npm/update-grammar.js

@@ -0,0 +1,125 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+var path = require('path');
+var fs = require('fs');
+var plist = require('fast-plist');
+var cson = require('cson-parser');
+var https = require('https');
+var url = require('url');
+
+function getOptions(urlString) {
+	var _url = url.parse(urlString);
+	return {
+		protocol: _url.protocol,
+		host: _url.host,
+		port: _url.port,
+		path: _url.path,
+		headers: {
+			'User-Agent': 'NodeJS'
+		}
+	}
+}
+
+function download(url, redirectCount) {
+	return new Promise((c, e) => {
+		var content = '';
+		https.get(getOptions(url), function (response) {
+			response.on('data', function (data) {
+				content += data.toString();
+			}).on('end', function () {
+				let count = redirectCount || 0;
+				if (count < 5 && response.statusCode >= 300 && response.statusCode <= 303 || response.statusCode === 307) {
+					let location = response.headers['location'];
+					if (location) {
+						console.log("Redirected " + url + " to " + location);
+						download(location, count+1).then(c, e);
+						return;
+					}
+				}
+				c(content);
+			});
+		}).on('error', function (err) {
+			e(err.message);
+		});
+	});
+}
+
+function getCommitSha(repoId, repoPath) {
+	var commitInfo = 'https://api.github.com/repos/' + repoId + '/commits?path=' + repoPath;
+	return download(commitInfo).then(function (content) {
+		try {
+			let lastCommit = JSON.parse(content)[0];
+			return Promise.resolve({
+				commitSha: lastCommit.sha,
+				commitDate: lastCommit.commit.author.date
+			});
+		} catch (e) {
+			console.error("Failed extracting the SHA: " + content);
+			return Promise.resolve(null);
+		}
+	}, function () {
+		console.error('Failed loading ' + commitInfo);
+		return Promise.resolve(null);
+	});
+}
+
+exports.update = function (repoId, repoPath, dest, modifyGrammar) {
+	var contentPath = 'https://raw.githubusercontent.com/' + repoId + '/master/' + repoPath;
+	console.log('Reading from ' + contentPath);
+	return download(contentPath).then(function (content) {
+		var ext = path.extname(repoPath);
+		var grammar;
+		if (ext === '.tmLanguage' || ext === '.plist') {
+			grammar = plist.parse(content);
+		} else if (ext === '.cson') {
+			grammar = cson.parse(content);
+		} else if (ext === '.json') {
+			grammar = JSON.parse(content);
+		} else {
+			console.error('Unknown file extension: ' + ext);
+			return;
+		}
+		if (modifyGrammar) {
+			modifyGrammar(grammar);
+		}
+		return getCommitSha(repoId, repoPath).then(function (info) {
+			let result = {
+				information_for_contributors: [
+					'This file has been converted from https://github.com/' + repoId + '/blob/master/' + repoPath,
+					'If you want to provide a fix or improvement, please create a pull request against the original repository.',
+					'Once accepted there, we are happy to receive an update request.'
+				]
+			};
+
+			if (info) {
+				result.version = 'https://github.com/' + repoId + '/commit/' + info.commitSha;
+			}
+			for (let key in grammar) {
+				result[key] = grammar[key];
+			}
+
+			try {
+				fs.writeFileSync(dest, JSON.stringify(result, null, '\t'));
+				if (info) {
+					console.log('Updated ' + path.basename(dest) + ' to ' + repoId + '@' + info.commitSha.substr(0, 7) + ' (' + info.commitDate.substr(0, 10) + ')');
+				} else {
+					console.log('Updated ' + path.basename(dest));
+				}
+			} catch (e) {
+				console.error(e);
+			}
+		});
+
+	}, console.error);
+}
+
+if (path.basename(process.argv[1]) === 'update-grammar.js') {
+	for (var i = 3; i < process.argv.length; i += 2) {
+		exports.update(process.argv[2], process.argv[i], process.argv[i + 1]);
+	}
+}