1 //

     2 // Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

     3 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4 //

     5 // This code is free software; you can redistribute it and/or modify it

     6 // under the terms of the GNU General Public License version 2 only, as

     7 // published by the Free Software Foundation.

     8 //

     9 // This code is distributed in the hope that it will be useful, but WITHOUT

    10 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12 // version 2 for more details (a copy is included in the LICENSE file that

    13 // accompanied this code).

    14 //

    15 // You should have received a copy of the GNU General Public License version

    16 // 2 along with this work; if not, write to the Free Software Foundation,

    17 // Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18 //

    19 // Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20 // or visit www.oracle.com if you need additional information or have any

    21 // questions.

    22 //

    23 

    24 //

    25 // Traverse a tree of pandoc format objects, calling callback on each

    26 // element, and replacing it if callback returns a new object.

    27 //

    28 // Inspired by the walk method in

    29 // https://github.com/jgm/pandocfilters/blob/master/pandocfilters.py

    30 //

    31 function traverse(obj, callback) {

    32     if (Array.isArray(obj)) {

    33         var processed_array = [];

    34         obj.forEach(function(elem) {

    35             if (elem === Object(elem) && elem.t) {

    36                 var replacement = callback(elem.t, elem.c || []);

    37                 if (!replacement) {

    38                     // no replacement object returned, use original

    39                     processed_array.push(traverse(elem, callback));

    40                 } else if (Array.isArray(replacement)) {

    41                     // array of objects returned, splice all elements into array

    42                     replacement.forEach(function(repl_elem) {

    43                         processed_array.push(traverse(repl_elem, callback));

    44                     })

    45                 } else {

    46                     // replacement object given, traverse it

    47                     processed_array.push(traverse(replacement, callback));

    48                 }

    49             } else {

    50                 processed_array.push(traverse(elem, callback));

    51             }

    52         })

    53         return processed_array;

    54     } else if (obj === Object(obj)) {

    55         if (obj.t) {

    56             var replacement = callback(obj.t, obj.c || []);

    57             if (replacement) {

    58                 return replacement;

    59             }

    60         }

    61         var processed_obj = {};

    62         Object.keys(obj).forEach(function(key) {

    63             processed_obj[key] = traverse(obj[key], callback);

    64         })

    65         return processed_obj;

    66     } else {

    67         return obj;

    68     }

    69 }

    70 

    71 //

    72 // Helper constructors to create pandoc format objects

    73 //

    74 function Space() {

    75     return { 't': 'Space' };

    76 }

    77 

    78 function Str(value) {

    79     return { 't': 'Str', 'c': value };

    80 }

    81 

    82 function MetaInlines(value) {

    83     return { 't': 'MetaInlines', 'c': value };

    84 }

    85 

    86 function change_title(type, value) {

    87     if (type === 'MetaInlines') {

    88         if (value[0].t === 'Str') {

    89             var match = value[0].c.match(/^([A-Z]+)\([0-9]+\)$/);

    90             if (match) {

    91                 return MetaInlines([

    92                         Str("The"), Space(),

    93 			Str(match[1].toLowerCase()),

    94 			Space(), Str("Command")

    95 		    ]);

    96             }

    97         }

    98     }

    99 }

   100 

   101 //

   102 // Main function

   103 //

   104 function main() {

   105     var input = "";

   106     while (line = readLine()) {

   107         input = input.concat(line);

   108     }

   109 

   110     var json = JSON.parse(input);

   111 

   112     var meta = json.meta;

   113     if (meta) {

   114         meta.date = undefined;

   115         var title = meta.title;

   116         if (meta.title) {

   117             meta.title = traverse(meta.title, change_title);

   118         }

   119     }

   120 

   121     print(JSON.stringify(json));

   122 }

   123 

   124 // ... and execute it

   125 main();