67 lines
1.2 KiB
JavaScript
67 lines
1.2 KiB
JavaScript
import Q from 'q';
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import Snap from 'snapsvg';
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import javascript from './javascript/parser.js';
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export default class Parser {
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constructor() {
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this.state = {
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groupCounter: 1,
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renderCounter: 0,
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maxCounter: 0,
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cancelRender: false,
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warnings: []
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};
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}
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parse(expression) {
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var deferred = Q.defer();
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setTimeout(() => {
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try {
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javascript.Parser.SyntaxNode.state = this.state;
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this.parsed = javascript.parse(expression.replace(/\n/g, '\\n'));
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deferred.resolve(this);
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}
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catch(e) {
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deferred.reject(e);
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}
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});
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return deferred.promise;
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}
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render(svgElement, styles) {
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var svg;
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svgElement.innerHTML = [
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'<style type="text/css">',
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styles,
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'</style>'
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].join('');
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svg = Snap(svgElement);
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return this.parsed.render(svg.group())
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.then(result => {
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var box = result.getBBox();
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result.transform(Snap.matrix()
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.translate(10 - box.x, 10 - box.y));
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svg.attr({
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width: box.width + 20,
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height: box.height + 20
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});
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});
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}
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cancel() {
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this.state.cancelRender = true;
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}
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get warnings() {
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return this.state.warnings;
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}
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}
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