Drop cartox. Fixes #91
Tom MacWright
13 years ago
parent
f2e7ff151c
commit
fe8efcc1e4
@ -1,233 +0,0 @@
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#!/usr/bin/env node
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var sax = require('sax'),
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fs = require('fs'),
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_ = require('underscore')._,
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path = require('path'),
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sys = require('sys');
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require.paths.unshift(path.join(__dirname, '../lib'), path.join(__dirname, '../lib/node'));
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var carto = require('carto'),
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args = process.argv.slice(1);
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var options = {
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silent: false,
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json: false
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};
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xml2tree = function(xml, callback) {
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var parser = sax.parser(true);
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var tree = [ {} ];
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parser.onopentag = function(node) {
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if (!(node.name in tree[0])) tree[0][node.name] = [];
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tree[0][node.name].push(node.attributes);
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tree.unshift(node.attributes);
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};
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parser.onclosetag = function() {
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tree.shift();
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if (tree.length === 1) callback(tree[0]);
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};
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parser.ontext = parser.oncdata = function(text) {
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if (text.trim()) tree[0].text = (tree[0].text || '') + text;
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};
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parser.write(xml.toString());
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}
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args = args.filter(function (arg) {
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var match;
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if (match = arg.match(/^--?([a-z][0-9a-z-]*)$/i)) { arg = match[1] }
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else { return arg }
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switch (arg) {
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case 'h':
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case 'help':
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sys.puts("Usage: cartox source");
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process.exit(0);
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break;
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}
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});
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var input = args[1];
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if (input && input[0] != '/') {
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input = path.join(process.cwd(), input);
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}
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if (!input) {
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sys.puts("cartox: no input files");
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process.exit(1);
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}
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var output = args[2];
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if (output && output[0] != '/') {
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output = path.join(process.cwd(), output);
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}
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function upStyle(s) {
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this.name = s.name;
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this.rules = [];
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}
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upStyle.prototype.toMSS = function() {
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return '.' + this.name
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+ ' {\n'
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+ this.rules.join('\n')
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+ '\n}';
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};
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function upRule(xmlRule) {
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this.filters = xmlRule.Filter ? this.upFilter(xmlRule.Filter[0].text) : [];
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this.zooms = (xmlRule.MaxScaleDenominator || xmlRule.MinScaleDenomintor)
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? this.upZoom(xmlRule) : [];
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this.rules = this.upSymbolizers(xmlRule);
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}
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upRule.prototype.upZoom = function(xmlRule) {
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var zoomFilters = [];
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var findZoom = function(denom) {
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for (var i in carto.tree.Zoom.ranges) {
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if (carto.tree.Zoom.ranges[i] == denom) return i;
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}
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};
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if (xmlRule.MaxScaleDenominator) {
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zoomFilters.push('[zoom >= ' + findZoom(xmlRule.MaxScaleDenominator[0].text) + ']');
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}
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if (xmlRule.MinScaleDenominator) {
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zoomFilters.push('[zoom <= ' + findZoom(xmlRule.MinScaleDenominator[0].text) + ']');
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}
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return zoomFilters;
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};
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upRule.prototype.upFilter = function(xmlFilter) {
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var filters = [];
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var thisfilter = [];
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var invert = false;
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var xmlTok = xmlFilter.split(/\s+/);
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var curTok = '';
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for (var i in xmlTok) {
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curTok = xmlTok[i].replace(/(\[|\]|\)|\()/g, '');
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if (curTok == 'and') {
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filters.push(thisfilter);
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thisfilter = [];
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} else if (curTok == 'not') {
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invert = true;
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} else if (invert && (['='].indexOf(curTok) !== -1)) {
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thisfilter.push('!=');
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invert = false;
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} else {
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thisfilter.push(curTok);
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}
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}
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if (thisfilter) filters.push(thisfilter);
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return filters.map(function(f) {
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return f.join(' ');
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});
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};
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upRule.prototype.upSymbolizers = function(xmlRule) {
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var css_rules = [];
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var symnames = _.map(_.keys(carto.tree.Reference.data.symbolizers), function(symbolizer) {
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return [symbolizer.charAt(0).toUpperCase() +
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symbolizer.slice(1).replace(/\-./, function(str) {
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return str[1].toUpperCase();
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}) + 'Symbolizer', carto.tree.Reference.data.symbolizers[symbolizer]];
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});
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var symmap = _.reduce(symnames, function(memo, s) {
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memo[s[0]] = s[1];
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return memo;
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}, {});
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var cssmap = function(symbolizer, name) {
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return symmap[symbolizer][name].css;
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}
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for (var i in xmlRule) {
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if (i in symmap) {
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for (var j in xmlRule[i][0]) {
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if (j == 'CssParameter') {
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sys.error("cartox: no support for CssParameter, please upgrade your xml to Mapnik 2.0 syntax first");
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process.exit(1);
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}
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if (!symmap[i][j]) {
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sys.error('Property ' + j + ' not yet supported');
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} else if (symmap[i][j].type == 'uri') {
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css_rules.push(cssmap(i, j) + ': url("' + xmlRule[i][0][j] + '");');
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} else if (['float', 'color', 'boolean', 'numbers'].indexOf(symmap[i][j].type) !== -1 || _.isArray(symmap[i][j].type)) {
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css_rules.push(cssmap(i, j) + ': ' + xmlRule[i][0][j] + ';');
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} else {
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css_rules.push(cssmap(i, j) + ': "' + xmlRule[i][0][j] + '";');
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}
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}
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}
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}
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return css_rules;
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};
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upRule.prototype.toMSS = function() {
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if (this.filters.length || this.zooms.length) {
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return ' ' + this.filters.map(function(f) {
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return '[' + f + ']';
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}).join('') +
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this.zooms.map(function(f) {
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return f;
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}).join('') +
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' {\n '
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+ this.rules.join('\n ')
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+ '\n }\n';
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} else {
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' ' + this.rules.join('\n ');
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}
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}
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function upDatasource(ds) {
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var params = {};
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ds[0].Parameter.forEach(function(param) {
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params[param.name] = param.text;
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});
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return params;
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}
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fs.readFile(input, 'utf-8', function (e, data) {
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var styles = [];
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var document = {};
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var layers = [];
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if (e) throw e;
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xml2tree(data, function(mapnik_xml) {
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mapnik_xml.Map[0].Style.forEach(function(s) {
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var newStyle = new upStyle(s);
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s.Rule.forEach(function(r) {
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newStyle.rules.push((new upRule(r)).toMSS());
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});
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styles.push(newStyle.toMSS());
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});
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styles = styles.reverse();
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mapnik_xml.Map[0].Layer.forEach(function(l) {
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var additional_classes = l.StyleName ? ' ' + l.StyleName.map(function(s) { return s.text; }).join(' ') : '';
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var newLayer = {
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name: l.name,
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class: l.name + '_style' + additional_classes,
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srs: l.srs
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};
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newLayer.Datasource = upDatasource(l.Datasource);
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layers.push(newLayer);
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});
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if (output) {
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document.Stylesheet = [output.replace('mml', 'mss')];
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document.Layer = layers;
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fs.writeFile(output, JSON.stringify(document), 'utf8', function(err) {
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sys.error('write MML');
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});
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fs.writeFile(output.replace('mml', 'mss'), styles.join('\n\n'), 'utf8', function(err) {
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sys.error('write MSS');
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});
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} else {
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document.Stylesheet = [{ id: 'gen', data: styles.join('\n') }];
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document.Layer = layers;
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console.log(JSON.stringify(document));
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}
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});
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});
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