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extendscript.csv.jsx
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extendscript.csv.jsx
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/*! extendscript.csv.jsx - v0.0.1 - 2016-03-23 */
/*!
*
* This is CSV.jsx
* A collection of functions for reading CSV.
* As used in Locations.jsx
*
* License
* Copyright (c) 2014 Fabian "fabiantheblind" Morón Zirfas
* Permission is hereby granted, free of charge, to any person obtaining a copy of this
* software and associated documentation files (the "Software"), to deal in the Software
* without restriction, including without limitation the rights to use, copy, modify
* copies of the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all copies
* or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALNGS IN THE SOFTWARE.
*
* see also http://www.opensource.org/licenses/mit-license.php
*/
// if(DEBUG === undefined){
// var DEBUG = true;
// }else{
// DEBUG = true;
// }
CSV = function() {};
// END OF CSV.js
/**
* This is a string prototype function
* found here http://www.greywyvern.com/?post=258
* @param {String} sep is the separator we use only ,
* @return {Array} returns an Array of strings
*/
// String.prototype.splitCSV = function(sep) {
// for (var foo = this.split(sep = sep || ","), x = foo.length - 1, tl; x >= 0; x--) {
// if (foo[x].replace(/"\s+$/, '"').charAt(foo[x].length - 1) === '"') {
// if ((tl = foo[x].replace(/^\s+"/, '"')).length > 1 && tl.charAt(0) === '"') {
// foo[x] = foo[x].replace(/^\s*"|"\s*$/g, '').replace(/""/g, '"');
// } else if (x) {
// foo.splice(x - 1, 2, [foo[x - 1], foo[x]].join(sep));
// } else foo = foo.shift().split(sep).concat(foo);
// } else foo[x].replace(/""/g, '"');
// } return foo;
// };
// Dont use prototypes?
// for the time beeing YES
// Makes problems with other scripts
// or we need to use a unique prefix! like ftb_splitCSV
CSV.Utilities = {};
CSV.Utilities.split_csv = function(sep, the_string) {
for (var foo = the_string.split(sep = sep || ","), x = foo.length - 1, tl; x >= 0; x--) {
if (foo[x].replace(/"\s+$/, '"').charAt(foo[x].length - 1) === '"') {
if ((tl = foo[x].replace(/^\s+"/, '"')).length > 1 && tl.charAt(0) === '"') {
foo[x] = foo[x].replace(/^\s*"|"\s*$/g, '').replace(/""/g, '"');
} else if (x) {
foo.splice(x - 1, 2, [foo[x - 1], foo[x]].join(sep));
} else foo = foo.shift().split(sep).concat(foo);
} else foo[x].replace(/""/g, '"');
}
return foo;
};
CSV.readFile = function(){
var csvfile = File.openDialog("Select your CSV file");
if (csvfile !== null) {
csvfile.open('r');
var content = csvfile.read();
csvfile.close();
return content;
} else {
if (DEBUG) $.writeln("user aborted CSV.readFile");
}
};
CSV.toJSON = function(csvFile, useDialog, separator) {
var textFile;
var result = [];
if (useDialog) {
textFile = File.openDialog("Select a CSV or TSV file to import.", "*.*", false);
} else {
textFile = csvFile;
}
var textLines = [];
if (textFile !== null) {
textFile.open('r', undefined, undefined);
while (!textFile.eof) {
textLines[textLines.length] = textFile.readln();
}
textFile.close();
}
if (textLines.length < 1) {
alert("ERROR Reading file");
return null;
} else {
$.writeln(textLines);
// var lines=csv.split("\n");
var headers = CSV.Utilities.split_csv(separator, textLines[0]);
if(DEBUG) $.writeln(headers);
for (var i = 1; i < textLines.length; i++) {
var obj = {};
var currentline = CSV.Utilities.split_csv( separator, textLines[i]);
for (var j = 0; j < headers.length; j++) {
obj[headers[j]] = currentline[j];
}
if (DEBUG) $.writeln(obj.toSource());
result.push(obj);
}
}
// alert(result[0].toSource());
//return result; //JavaScript object
return result; //JSON
};
/**
* this reads in a file
* line by line
* @return {Array of String}
*/
CSV.reader = {
read_in_txt: function() {
var textFile = File.openDialog("Select a text file to import.", "*.*", false);
var textLines = [];
if (textFile !== null) {
textFile.open('r', undefined, undefined);
while (!textFile.eof) {
textLines[textLines.length] = textFile.readln();
}
textFile.close();
}
if (textLines.length < 1) {
alert("ERROR Reading file");
return null;
} else {
return textLines;
}
},
/**
* gets lines of strings and creates the data we need from
* CSV Header and content
* @param {Array of String} textLines are , or \t separated values
* @return {Object}
*/
textlines_to_data: function(textLines, separator) {
var data = {};
data.fields = [];
data.keys = [];
for (var i = 0; i < textLines.length; i++) {
var line_arr = CSV.Utilities.split_csv(separator, textLines[i]);
if (i === 0) {
for (var j = 0; j < line_arr.length; j++) {
data.keys[j] = line_arr[j];
}
} else {
var obj_str = "";
for (var k = 0; k < line_arr.length; k++) {
if (k !== line_arr.length - 1) {
obj_str += 'field_' + k + ':"' + line_arr[k] + '",';
} else {
obj_str += 'field_' + k + ':"' + line_arr[k] + '"';
}
}
// var parsedData = JSON.parse("{"+ obj_str+"}");
data.fields.push(eval("({" + obj_str + "})")); // jshint ignore:line
}
}
return data;
}
};