64 lines
2.0 KiB
JavaScript
64 lines
2.0 KiB
JavaScript
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#!/usr/bin/env node
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var xml2js = require('xml2js'),
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fs = require('fs'),
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sys = require('sys');
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if (!process.ARGV[2]) {
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console.log('Please specify a XML file.');
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process.exit(1);
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}
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fs.readFile(process.ARGV[2], 'utf-8', function(err, data) {
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if (err) throw err;
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// Replace entities.
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var entities = {};
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data.match(/<!ENTITY([^>]|"([^"]|\\")*")+>/g).forEach(function(entity) {
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var parts = entity.match(/^<!ENTITY\s+(\w+)\s+"(.+)">$/);
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entities['&' + parts[1] + ';'] = parts[2];
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});
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data = data.replace(/&\w+;/g, function(entity) {
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return entities[entity];
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});
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function addAttributes(obj) {
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if (obj['@']) for (var key in obj['@']) obj[key] = obj['@'][key];
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delete obj['@'];
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return obj;
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}
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function simplifyExternal(obj) {
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if (obj.src) return obj.src;
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else return obj;
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}
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var parser = new xml2js.Parser();
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parser.addListener('end', function(json) {
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console.log(JSON.stringify(json, function(key, value) {
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if (!key) {
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return addAttributes(value);
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}
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else if (key === 'Stylesheet') {
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if (Array.isArray(value)) return value.map(addAttributes).map(simplifyExternal);
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else return [ simplifyExternal(addAttributes(value)) ];
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}
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else if (key === 'Layer' || key === 'Stylesheet') {
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if (Array.isArray(value)) return value.map(addAttributes);
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else return [ addAttributes(value) ];
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}
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else if (key === 'Datasource') {
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value = addAttributes(value);
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value.Parameter.forEach(function(parameter) {
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value[parameter['@'].name] = parameter['#'];
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});
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delete value.Parameter;
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return value;
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}
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else {
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return value;
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}
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}, 4));
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});
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parser.parseString(data);
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});
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