Add scripts to read /etc/mime.types as found on many linux distributions into a collection

scripts/read_mimetypes.js

@@ -0,0 +1,65 @@
+/*jshint strict: false, sub: true */
+/*global db */
+'use strict';
+
+////////////////////////////////////////////////////////////////////////////////
+/// DISCLAIMER
+///
+/// Copyright 2016 ArangoDB GmbH, Cologne, Germany
+/// Copyright 2014 triagens GmbH, Cologne, Germany
+///
+/// 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.
+///
+/// Copyright holder is ArangoDB GmbH, Cologne, Germany
+///
+/// @author Wilfried Goesgens
+////////////////////////////////////////////////////////////////////////////////
+
+
+// Call like this: arangosh --javascript.execute scripts/read_mimetypes.js
+
+
+var fs = require("fs");
+var print = require("internal").print;
+var mimetypes = fs.readBuffer(fs.pathSeparator + fs.join("etc", "mime.types"));
+
+var mt;
+if (!db.hasOwnProperty('mimeTypes')) {
+  mt = db._create("mimeTypes");
+  mt.ensureIndex({ type: "skiplist", fields: [ "extension" ] });
+}
+else {
+  mt = db.mimeTypes;
+}
+
+let maxBuffer = mimetypes.length;
+let lineStart = 0;
+for (let j = 0; j < maxBuffer; j++) {
+  if (mimetypes[j] === 10) { // \n
+    const line = mimetypes.asciiSlice(lineStart, j);
+    lineStart = j + 1;
+    if ((line[0] === '#') || (line.length === 0)) {
+      continue;
+    }
+    // replace multiple blanks by one:
+    var lineSegments = line.split(/[\s\t]+/);
+    if (lineSegments.length === 1) {
+      continue; // Skip lines that just have a mimetype.
+    }
+    for (var i = 1; i < lineSegments.length; i++) {
+      mt.save({extension: lineSegments[i], mimeType: lineSegments[0]});      
+    }
+  }
+}
+
+print("Saved " + mt.count() + " mimetypes.");