Prototype parsing avis IR

parse-avis-ir.js

var PDFParser = require('pdf2json');
var _ = require('lodash');
var _s = require('underscore.string');

var parser = new PDFParser();
var startTime = Date.now();

parser.on("pdfParser_dataReady", function() {
    var endOfParsing = Date.now();

    var entries = this.data.Pages[0].Texts.map(function(textEntry) {
        var content = textEntry.R.map(function(singleTextEntry) {
            return decodeURIComponent(singleTextEntry.T);
        }).join('');
        return { x: textEntry.x, y: textEntry.y, content: content };
    });

    var yGroupedEntries = _.groupBy(entries, 'y');
    var xGroupedEntries = _.groupBy(entries, 'x');
    var contentIndexedEntries = _.indexBy(entries, 'content');

    console.log(entries);

    function ensureTextEntry(textEntry) {
        return _.isString(textEntry) ? contentIndexedEntries[textEntry] : textEntry;
    }

    function topOf(that, reference) {
        reference = ensureTextEntry(reference);
        return that.y < reference.y;
    }

    function bottomOf(that, reference) {
        reference = ensureTextEntry(reference);
        return that.y > reference.y;
    }

    function rightOf(that, reference) {
        reference = ensureTextEntry(reference);
        return that.x > reference.x;
    }

    function leftOf(that, reference) {
        reference = ensureTextEntry(reference);
        return that.x < reference.x;
    }

    function sameLineRight(that, tolerance) {
        var reference = ensureTextEntry(that);
        var xLine;
        tolerance = tolerance || 0;

        if (tolerance > 0) {
            xLine = _.flatten(_.map(yGroupedEntries, function(yGroup, y) {
                return Math.abs(y - reference.y) <= tolerance ? yGroup : [];
            }));
        } else {
            xLine = yGroupedEntries[reference.y];
        }

        var xSortedLine = _.sortBy(xLine, 'x');
        return _.filter(xSortedLine, function(item) {
            return rightOf(item, reference);
        });
    }

    function sameLineImmediateRight(that, tolerance) {
        return sameLineRight(that, tolerance)[0];
    }

    var data = { declarants: {} };

    _.filter(entries, function(entry) {
        return bottomOf(entry, 'Numéro fiscal :') &&
            topOf(entry, 'Référence de l\'avis :') &&
            _s.startsWith(entry.content, 'Déclarant');
    }).forEach(function(declarant) {
        data.declarants[declarant.content] = sameLineImmediateRight(declarant).content.split(' ').join('');
    });

    data.referenceAvis = sameLineImmediateRight('Référence de l\'avis :', 0.1).content.split(' ').join('');

    data.traitementsSalaires = sameLineRight('Traitements, salaires', 0.1).forEach(function(valeur) {

    });

    console.log(data);

    var endOfProcessing = Date.now();
    console.log('Parsing: ', endOfParsing - startTime, 'ms');
    console.log('Processing: ', endOfProcessing - endOfParsing, 'ms');
});

parser.on("pdfParser_dataError", function() {
    console.log('An error occurred!');
    console.log(this);
});

parser.loadPDF(__dirname + '/IR-Justif-91-2013-14922554377149.pdf');