Created
August 18, 2014 05:07
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CoffeeScript - parse PeopleSoft project XML export file
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path = require 'path' | |
fs = require 'fs' | |
expat = require 'node-expat' | |
# | |
# peoplesoft XML project file parser - similar to: | |
# python version: https://github.com/swiatczak/psprojectparser | |
# | |
# just playing with class construction and chaining of the methods | |
# | |
# References: http://coffeescriptcookbook.com/chapters/classes_and_objects/chaining | |
# http://arcturo.github.io/library/coffeescript/03_classes.html | |
# | |
# After reading - http://stackoverflow.com/questions/18691826/new-to-node-js-and-im-not-sure-if-im-doing-this-correct | |
# - I started thinking about perhaps trying to think in terms of callbacks and logic chunks - rather than | |
# convenience and making it all look like Python or Java | |
# | |
class ProjectParser | |
startRE = /<instance class="(.*)">/ig | |
endRE = /<\/instance>/i | |
# creates a chained accessor methods for each property defined | |
@chained: (obj, attr) -> | |
(newValues...) -> | |
if newValues.length == 0 | |
obj.properties[attr] | |
else | |
obj.properties[attr] = newValues[0] | |
obj | |
# | |
constructor: -> | |
@properties= | |
prjfile: '' | |
wrkfldr: '' | |
outfldr: '' | |
this[a] = ProjectParser.chained(this, a) for a of @properties | |
# parse file | |
parseSection: (section) => | |
console.log section.type | |
addSection: (section) => | |
@sections = @sections || [] | |
@sections.push(section) | |
getSections: (err, data) => | |
throw err if err | |
lines = data.split('\n') | |
section = "" | |
inSection = false | |
sectType = "" | |
if lines | |
for line in lines | |
grp = startRE.exec(line) | |
if grp | |
inSection = true | |
sectType = grp[1] | |
section = line | |
else | |
if inSection | |
if line.match(endRE) | |
section = section + "\n" + line | |
@addSection({section: section, type: sectType }) | |
@parseSection({section: section, type: sectType }) | |
section = "" | |
inSection = false | |
else | |
section = section + "\n" + line | |
# read project file | |
readFile: => | |
path = path.join(@wrkfldr(), @prjfile()) | |
fs.readFile(path, 'utf8', @getSections) | |
pp = new ProjectParser().prjfile('UA_H_WA_JI_012_29833.XML').wrkfldr('data/UA_H_WA_JI_012_29833').outfldr('data/UA_H_WA_JI_012_29833/out') | |
pp.readFile() |
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