mirror of
https://github.com/XRPLF/rippled.git
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30ea18d916
Since ripple-lib now lives outside of the NewCoin repository it's easiest to just print to stdout and let the user worry about redirecting it to wherever their ripple-lib repository lives.
120 lines
3.7 KiB
JavaScript
120 lines
3.7 KiB
JavaScript
/**
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* bin/update_bintypes.js
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*
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* This unholy abomination of a script generates the JavaScript file
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* src/js/bintypes.js from various parts of the C++ source code.
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*
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* This should *NOT* be part of any automatic build process unless the C++
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* source data are brought into a more easily parseable format. Until then,
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* simply run this script manually and fix as needed.
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*/
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// XXX: Process LedgerFormats.(h|cpp) as well.
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var filenameProto = __dirname + '/../src/cpp/ripple/SerializeProto.h',
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filenameTxFormatsH = __dirname + '/../src/cpp/ripple/TransactionFormats.h',
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filenameTxFormats = __dirname + '/../src/cpp/ripple/TransactionFormats.cpp';
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var fs = require('fs');
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var output = [];
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// Stage 1: Get the field types and codes from SerializeProto.h
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var types = {},
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fields = {};
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String(fs.readFileSync(filenameProto)).split('\n').forEach(function (line) {
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line = line.replace(/^\s+|\s+$/g, '').replace(/\s+/g, '');
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if (!line.length || line.slice(0, 2) === '//' || line.slice(-1) !== ')') return;
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var tmp = line.slice(0, -1).split('('),
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type = tmp[0],
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opts = tmp[1].split(',');
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if (type === 'TYPE') types[opts[1]] = [opts[0], +opts[2]];
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else if (type === 'FIELD') fields[opts[0]] = [types[opts[1]][0], +opts[2]];
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});
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output.push('var ST = require("./serializedtypes");');
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output.push('');
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output.push('var REQUIRED = exports.REQUIRED = 0,');
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output.push(' OPTIONAL = exports.OPTIONAL = 1,');
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output.push(' DEFAULT = exports.DEFAULT = 2;');
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output.push('');
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function pad(s, n) { while (s.length < n) s += ' '; return s; }
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function padl(s, n) { while (s.length < n) s = ' '+s; return s; }
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Object.keys(types).forEach(function (type) {
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output.push(pad('ST.'+types[type][0]+'.id', 25) + ' = '+types[type][1]+';');
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});
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output.push('');
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// Stage 2: Get the transaction type IDs from TransactionFormats.h
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var ttConsts = {};
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String(fs.readFileSync(filenameTxFormatsH)).split('\n').forEach(function (line) {
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var regex = /tt([A-Z_]+)\s+=\s+([0-9-]+)/;
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var match = line.match(regex);
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if (match) ttConsts[match[1]] = +match[2];
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});
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// Stage 3: Get the transaction formats from TransactionFormats.cpp
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var base = [],
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sections = [],
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current = base;
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String(fs.readFileSync(filenameTxFormats)).split('\n').forEach(function (line) {
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line = line.replace(/^\s+|\s+$/g, '').replace(/\s+/g, '');
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var d_regex = /DECLARE_TF\(([A-Za-z]+),tt([A-Z_]+)/;
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var d_match = line.match(d_regex);
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var s_regex = /SOElement\(sf([a-z]+),SOE_(REQUIRED|OPTIONAL|DEFAULT)/i;
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var s_match = line.match(s_regex);
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if (d_match) sections.push(current = [d_match[1], ttConsts[d_match[2]]]);
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else if (s_match) current.push([s_match[1], s_match[2]]);
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});
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function removeFinalComma(arr) {
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arr[arr.length-1] = arr[arr.length-1].slice(0, -1);
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}
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output.push('var base = [');
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base.forEach(function (field) {
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var spec = fields[field[0]];
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output.push(' [ '+
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pad("'"+field[0]+"'", 21)+', '+
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pad(field[1], 8)+', '+
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padl(""+spec[1], 2)+', '+
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'ST.'+pad(spec[0], 3)+
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' ],');
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});
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removeFinalComma(output);
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output.push('];');
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output.push('');
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output.push('exports.tx = {');
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sections.forEach(function (section) {
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var name = section.shift(),
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ttid = section.shift();
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output.push(' '+name+': ['+ttid+'].concat(base, [');
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section.forEach(function (field) {
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var spec = fields[field[0]];
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output.push(' [ '+
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pad("'"+field[0]+"'", 21)+', '+
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pad(field[1], 8)+', '+
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padl(""+spec[1], 2)+', '+
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'ST.'+pad(spec[0], 3)+
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' ],');
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});
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removeFinalComma(output);
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output.push(' ]),');
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});
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removeFinalComma(output);
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output.push('};');
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output.push('');
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console.log(output.join('\n'));
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