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Bug with utf8-fdf-generator #43

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36db2bc
Update libs, switch from _.pluck to _.map
Jan 24, 2017
357afe0
Adds example of () breaking filling of pdfs.
Jan 24, 2017
ad2a4e2
Includes fdf lib and fixes bugs with special chars
Jan 24, 2017
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57 changes: 57 additions & 0 deletions fdf.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,57 @@
var fs = require('fs');

var escapeString = function escapeString(value) {
var out = value.toString();
out = out.replace(/\\/g, "\\\\");
out = out.replace(/\(/g, "\\(");
out = out.replace(/\)/g, "\\)");
out = out.toString("utf8");
console.log(out)
return out;
}

exports.createFdf = function (data, fileName) {
var header, body, footer, dataKeys;

header = Buffer([]);
header = Buffer.concat([header, new Buffer("%FDF-1.2\n")]);
header = Buffer.concat([header, new Buffer((String.fromCharCode(226)) + (String.fromCharCode(227)) + (String.fromCharCode(207)) + (String.fromCharCode(211)) + "\n")]);
header = Buffer.concat([header, new Buffer("1 0 obj \n")]);
header = Buffer.concat([header, new Buffer("<<\n")]);
header = Buffer.concat([header, new Buffer("/FDF \n")]);
header = Buffer.concat([header, new Buffer("<<\n")]);
header = Buffer.concat([header, new Buffer("/Fields [\n")]);

footer = Buffer([]);
footer = Buffer.concat([footer, new Buffer("]\n")]);
footer = Buffer.concat([footer, new Buffer(">>\n")]);
footer = Buffer.concat([footer, new Buffer(">>\n")]);
footer = Buffer.concat([footer, new Buffer("endobj \n")]);
footer = Buffer.concat([footer, new Buffer("trailer\n")]);
footer = Buffer.concat([footer, new Buffer("\n")]);
footer = Buffer.concat([footer, new Buffer("<<\n")]);
footer = Buffer.concat([footer, new Buffer("/Root 1 0 R\n")]);
footer = Buffer.concat([footer, new Buffer(">>\n")]);
footer = Buffer.concat([footer, new Buffer("%%EOF\n")]);

dataKeys = Object.keys(data);

body = new Buffer([]);

for (var i = 0; i < dataKeys.length; i++) {
var name = dataKeys[i];
var value = data[name];

body = Buffer.concat([body, new Buffer("<<\n")]);
body = Buffer.concat([body, new Buffer("/T (")]);

body = Buffer.concat([body, new Buffer(escapeString(name))]);
body = Buffer.concat([body, new Buffer(")\n")]);
body = Buffer.concat([body, new Buffer("/V (")]);
body = Buffer.concat([body, new Buffer(escapeString(value))]);
body = Buffer.concat([body, new Buffer(")\n")]);
body = Buffer.concat([body, new Buffer(">>\n")]);
}

fs.writeFileSync(fileName, Buffer.concat([header, body, footer]));
}
94 changes: 47 additions & 47 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,26 +1,26 @@
/*
* File: index.js (pdffiller)
* Project: PDF Filler
* Date: May 2015.
*
* Description: This PDF filler module takes a data set and creates a filled out
* PDF file with the form fields populated.
*/
(function(){
* File: index.js (pdffiller)
* Project: PDF Filler
* Date: May 2015.
*
* Description: This PDF filler module takes a data set and creates a filled out
* PDF file with the form fields populated.
*/
(function () {
var child_process = require('child_process'),
execFile = require('child_process').execFile,
fdf = require('utf8-fdf-generator'),
fdf = require("./fdf.js"),
_ = require('lodash'),
fs = require('fs');

var pdffiller = {

mapForm2PDF: function( formFields, convMap ){
mapForm2PDF: function (formFields, convMap) {
var tmpFDFData = this.convFieldJson2FDF(formFields);
tmpFDFData = _.mapKeys(tmpFDFData, function(value, key){
tmpFDFData = _.mapKeys(tmpFDFData, function (value, key) {
try {
convMap[key];
} catch(err){
} catch (err) {

return key;
}
Expand All @@ -30,14 +30,14 @@
return tmpFDFData;
},

convFieldJson2FDF: function(fieldJson){
var _keys = _.pluck(fieldJson, 'title'),
_values = _.pluck(fieldJson, 'fieldValue');
convFieldJson2FDF: function (fieldJson) {
var _keys = _.map(fieldJson, 'title'),
_values = _.map(fieldJson, 'fieldValue');

_values = _.map(_values, function(val){
if(val === true){
_values = _.map(_values, function (val) {
if (val === true) {
return 'Yes';
}else if(val === false) {
} else if (val === false) {
return 'Off';
}
return val;
Expand All @@ -48,36 +48,36 @@
return jsonObj;
},

generateFieldJson: function( sourceFile, nameRegex, callback){
generateFieldJson: function (sourceFile, nameRegex, callback) {
var regName = /FieldName: ([^\n]*)/,
regType = /FieldType: ([A-Za-z\t .]+)/,
regFlags = /FieldFlags: ([0-9\t .]+)/,
fieldArray = [],
currField = {};

if(nameRegex !== null && (typeof nameRegex) == 'object' ) regName = nameRegex;
if (nameRegex !== null && (typeof nameRegex) == 'object') regName = nameRegex;

execFile( "pdftk", [sourceFile, "dump_data_fields_utf8"], function (error, stdout, stderr) {
execFile("pdftk", [sourceFile, "dump_data_fields_utf8"], function (error, stdout, stderr) {
if (error) {
console.log('exec error: ' + error);
return callback(error, null);
}

fields = stdout.toString().split("---").slice(1);
fields.forEach(function(field){
fields.forEach(function (field) {
currField = {};

currField['title'] = field.match(regName)[1].trim() || '';

if(field.match(regType)){
if (field.match(regType)) {
currField['fieldType'] = field.match(regType)[1].trim() || '';
}else {
} else {
currField['fieldType'] = '';
}

if(field.match(regFlags)){
currField['fieldFlags'] = field.match(regFlags)[1].trim()|| '';
}else{
if (field.match(regFlags)) {
currField['fieldFlags'] = field.match(regFlags)[1].trim() || '';
} else {
currField['fieldFlags'] = '';
}

Expand All @@ -90,62 +90,62 @@
});
},

generateFDFTemplate: function( sourceFile, nameRegex, callback ){
this.generateFieldJson(sourceFile, nameRegex, function(err, _form_fields){
generateFDFTemplate: function (sourceFile, nameRegex, callback) {
this.generateFieldJson(sourceFile, nameRegex, function (err, _form_fields) {
if (err) {
console.log('exec error: ' + err);
return callback(err, null);
console.log('exec error: ' + err);
return callback(err, null);
}
var _keys = _.pluck(_form_fields, 'title'),
_values = _.pluck(_form_fields, 'fieldValue'),
var _keys = _.map(_form_fields, 'title'),
_values = _.map(_form_fields, 'fieldValue'),
jsonObj = _.zipObject(_keys, _values);

return callback(null, jsonObj);

});
},

fillFormWithOptions: function( sourceFile, destinationFile, fieldValues, shouldFlatten, tempFDFPath, callback ) {
fillFormWithOptions: function (sourceFile, destinationFile, fieldValues, shouldFlatten, tempFDFPath, callback) {

//Generate the data from the field values.
var randomSequence = Math.random().toString(36).substring(7);
var currentTime = new Date().getTime();
var tempFDFFile = "data" + currentTime + randomSequence + ".fdf",
tempFDF = (typeof tempFDFPath !== "undefined"? tempFDFPath + '/' + tempFDFFile: tempFDFFile),
formData = fdf.generator( fieldValues, tempFDF );
var tempFDFFile = "data" + currentTime + randomSequence + ".fdf",
tempFDF = (typeof tempFDFPath !== "undefined" ? tempFDFPath + '/' + tempFDFFile : tempFDFFile),
formData = fdf.createFdf(fieldValues, tempFDF);

var args = [sourceFile, "fill_form", tempFDF, "output", destinationFile];
if (shouldFlatten) {
args.push("flatten");
}
execFile( "pdftk", args, function (error, stdout, stderr) {
execFile("pdftk", args, function (error, stdout, stderr) {

if ( error ) {
if (error) {
console.log('exec error: ' + error);
return callback(error);
}
//Delete the temporary fdf file.
fs.unlink( tempFDF, function( err ) {
fs.unlink(tempFDF, function (err) {

if ( err ) {
if (err) {
return callback(err);
}
// console.log( 'Sucessfully deleted temp file ' + tempFDF );
return callback();
});
} );
});
},

fillFormWithFlatten: function( sourceFile, destinationFile, fieldValues, shouldFlatten, callback ) {
this.fillFormWithOptions( sourceFile, destinationFile, fieldValues, shouldFlatten, undefined, callback);
fillFormWithFlatten: function (sourceFile, destinationFile, fieldValues, shouldFlatten, callback) {
this.fillFormWithOptions(sourceFile, destinationFile, fieldValues, shouldFlatten, undefined, callback);
},

fillForm: function( sourceFile, destinationFile, fieldValues, callback) {
this.fillFormWithFlatten( sourceFile, destinationFile, fieldValues, true, callback);
fillForm: function (sourceFile, destinationFile, fieldValues, callback) {
this.fillFormWithFlatten(sourceFile, destinationFile, fieldValues, true, callback);
}

};

module.exports = pdffiller;

}())
}())
7 changes: 3 additions & 4 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -15,8 +15,7 @@
"pdf"
],
"dependencies": {
"lodash": "~3.8.0",
"utf8-fdf-generator": "0.0.3"
"lodash": "^4.17.4"
},
"author": {
"name": "John Taylor and David Baldwynn"
Expand All @@ -30,7 +29,7 @@
"_from": "whitef0x0/pdffiller",
"_resolved": "git://github.com/whitef0x0/pdffiller.git#dc344fd81d90d0434dcc253d9ee14e4328b680dd",
"devDependencies": {
"mocha": "~2.4.5",
"should": "~6.0.1"
"mocha": "^3.2.0",
"should": "^11.1.2"
}
}
2 changes: 1 addition & 1 deletion test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ describe('pdfFiller Tests', function(){
describe('fillForm()', function(){

var _data = {
"first_name" : "John",
"first_name" : "1) John",
"last_name" : "Doe",
"date" : "Jan 1, 2013",
"football" : "Off",
Expand Down