//// Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.//// This code is free software; you can redistribute it and/or modify it// under the terms of the GNU General Public License version 2 only, as// published by the Free Software Foundation.//// This code is distributed in the hope that it will be useful, but WITHOUT// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License// version 2 for more details (a copy is included in the LICENSE file that// accompanied this code).//// You should have received a copy of the GNU General Public License version// 2 along with this work; if not, write to the Free Software Foundation,// Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.//// Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA// or visit www.oracle.com if you need additional information or have any// questions.////// Traverse a tree of pandoc format objects, calling callback on each// element, and replacing it if callback returns a new object.//// Inspired by the walk method in// https://github.com/jgm/pandocfilters/blob/master/pandocfilters.py//function traverse(obj, callback) { if (Array.isArray(obj)) { var processed_array = []; obj.forEach(function(elem) { if (elem === Object(elem) && elem.t) { var replacement = callback(elem.t, elem.c || []); if (!replacement) { // no replacement object returned, use original processed_array.push(traverse(elem, callback)); } else if (Array.isArray(replacement)) { // array of objects returned, splice all elements into array replacement.forEach(function(repl_elem) { processed_array.push(traverse(repl_elem, callback)); }) } else { // replacement object given, traverse it processed_array.push(traverse(replacement, callback)); } } else { processed_array.push(traverse(elem, callback)); } }) return processed_array; } else if (obj === Object(obj)) { if (obj.t) { var replacement = callback(obj.t, obj.c || []); if (replacement) { return replacement; } } var processed_obj = {}; Object.keys(obj).forEach(function(key) { processed_obj[key] = traverse(obj[key], callback); }) return processed_obj; } else { return obj; }}//// Helper constructors to create pandoc format objects//function Space() { return { 't': 'Space' };}function Str(value) { return { 't': 'Str', 'c': value };}function MetaInlines(value) { return { 't': 'MetaInlines', 'c': value };}function change_title(type, value) { if (type === 'MetaInlines') { if (value[0].t === 'Str') { var match = value[0].c.match(/^([A-Z0-9]+)\([0-9]+\)$/); if (match) { return MetaInlines([ Str("The"), Space(), Str(match[1].toLowerCase()), Space(), Str("Command") ]); } } }}//// Main function//function main() { var input = ""; while (line = readLine()) { input = input.concat(line); } var json = JSON.parse(input); var meta = json.meta; if (meta) { meta.date = undefined; var title = meta.title; if (meta.title) { meta.title = traverse(meta.title, change_title); } } print(JSON.stringify(json));}// ... and execute itmain();