92 lines
2.2 KiB
JavaScript
92 lines
2.2 KiB
JavaScript
var Path = require('path'),
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fs = require('fs');
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var protocolDir = Path.normalize(__dirname+'/../protocols');
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var gamesFile = Path.normalize(__dirname+'/../games.txt');
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function parseList(str) {
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if(!str) return {};
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var split = str.split(',');
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var out = {};
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split.forEach(function(one) {
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var equals = one.indexOf('=');
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var key = equals == -1 ? one : one.substr(0,equals);
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var value = equals == -1 ? '' : one.substr(equals+1);
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if(value === 'true' || value === '') value = true;
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else if(value === 'false') value = false;
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else if(!isNaN(value)) value = parseInt(value);
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out[key] = value;
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});
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return out;
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}
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function readGames() {
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var lines = fs.readFileSync(gamesFile,'utf8').split('\n');
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var games = {};
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lines.forEach(function(line) {
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// strip comments
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var comment = line.indexOf('#');
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if(comment != -1) line = line.substr(0,comment);
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line = line.trim();
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if(!line) return;
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var split = line.split('|');
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games[split[0].trim()] = {
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pretty: split[1].trim(),
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protocol: split[2].trim(),
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options: parseList(split[3]),
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params: parseList(split[4])
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};
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});
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return games;
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}
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var games = readGames();
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function createProtocolInstance(type) {
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type = Path.basename(type);
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var path = protocolDir+'/'+type;
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if(!fs.existsSync(path+'.js')) throw Error('Protocol definition file missing: '+type);
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var protocol = require(path);
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return new protocol();
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}
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module.exports = {
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lookup: function(type) {
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if(!type) throw Error('No game specified');
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if(type.substr(0,9) == 'protocol-') {
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return createProtocolInstance(type.substr(9));
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}
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var game = games[type];
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if(!game) throw Error('Invalid game: '+type);
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var query = createProtocolInstance(game.protocol);
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query.pretty = game.pretty;
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for(var key in game.options)
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query.options[key] = game.options[key];
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for(var key in game.params)
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query[key] = game.params[key];
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return query;
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},
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printReadme: function() {
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var out = '';
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for(var key in games) {
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var game = games[key];
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out += "* "+game.pretty+" ("+key+")";
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if(game.options.port_query_offset || game.options.port_query)
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out += " [[Separate Query Port](#separate-query-port)]";
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if(game.params.doc_notes)
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out += " [[Additional Notes](#"+game.params.doc_notes+")]"
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out += "\n";
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}
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return out;
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}
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};
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