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datafixture.coffee
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###
# * datafixture.js
# *
# * Copyright 2012, Acatl Pacheco
# * Licensed under the MIT License.
# *
###
DataFixturePlugin = do ->
_rows = 20
_template = null
_lorem = "lorem ipsum dolor sit amet consectetur adipiscing elit quisque risus turpis rutrum a mattis a venenatis ultricies orci quisque ultrices arcu sed ipsum tempor nec vehicula massa dictum fusce risus orci adipiscing in consectetur in gravida eget purus praesent elementum auctor elit et laoreet elit tincidunt a vestibulum porta mauris eget purus porttitor viverra vel sed magna phasellus et suscipit nunc vestibulum sit amet massa quam aliquam bibendum placerat orci vitae dictum duis et leo pulvinar est iaculis ullamcorper non vitae quam donec dictum odio vitae dignissim consectetur ante erat auctor quam et venenatis ligula nunc vel dolor phasellus mauris sem dapibus eu pretium ut sagittis id orci cras pretium magna gravida accumsan commodo sem libero porta risus sit amet tristique felis ipsum varius metus duis pharetra nulla sed risus auctor quis scelerisque nulla accumsan proin sodales condimentum pretium praesent in nulla vel tellus pharetra dignissim id id diam"
_loremList = _lorem.split(" ")
# _lorem = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque risus turpis, rutrum a mattis a, venenatis ultricies orci. Quisque ultrices arcu sed ipsum tempor nec vehicula massa dictum. Fusce risus orci, adipiscing in consectetur in, gravida eget purus. Praesent elementum auctor elit, et laoreet elit tincidunt a. Vestibulum porta mauris eget purus porttitor viverra vel sed magna. Phasellus et suscipit nunc. Vestibulum sit amet massa quam. Aliquam bibendum placerat orci vitae dictum. Duis et leo pulvinar est iaculis ullamcorper non vitae quam. Donec dictum, odio vitae dignissim consectetur, ante erat auctor quam, et venenatis ligula nunc vel dolor. Phasellus mauris sem, dapibus eu pretium ut, sagittis id orci. Cras pretium, magna gravida accumsan commodo, sem libero porta risus, sit amet tristique felis ipsum varius metus. Duis pharetra nulla sed risus auctor quis scelerisque nulla accumsan. Proin sodales condimentum pretium. Praesent in nulla vel tellus pharetra dignissim id id diam.";
generate = (template, numberOfRows) ->
dataSet = []
row = {}
column = undefined
return _parseValue(template) if typeof template is 'string'
numberOfRows = template["#"] or numberOfRows or 0
numberOfRows = 0 if numberOfRows < 0
numberOfRows = if typeof numberOfRows is "string" then _parseRangeValue(numberOfRows) else numberOfRows
if numberOfRows is 0
row = {}
for column of template
row[column] = _parseColumn(column, template[column]) if column isnt "#"
return row
i = 0
while i < numberOfRows
row = {}
for column of template
row[column] = _parseColumn(column, template[column]) if column isnt "#"
dataSet.push row
i++
dataSet
_parseRange = (expression) ->
tokens = parseTokens expression, [0, 0]
ranges = tokens[0].split("...")
[
parseFloat(ranges[0]),
parseFloat(ranges[1]),
parseFloat(tokens[1])
]
_parseRangeValue = (columnValue) ->
range = _parseRange(columnValue)
parseFloat getRandom(range[0], range[1], range[2])
_parseLorem = (columnValue) ->
tokens = parseTokens columnValue, "1...10"
tokens = columnValue.split(":") unless columnValue.indexOf(":") is -1
words = _parseRangeValue(tokens[1])
_generateParagraph words
_parsePLorem = (columnValue) ->
tokens = parseTokens columnValue, ["1...10", "10...20"]
paragraphs = _parseRangeValue(tokens[1])
wordRanges = tokens[2]
words = undefined
output = ""
p = 0
while p < paragraphs
words = _parseRangeValue(wordRanges)
output += _generateParagraph(words) + "." + ((if p < (paragraphs - 1) then "\n" else ""))
p++
output
_generateParagraph = (words) ->
output = ""
i = 0
while i < words
output += _loremList[getRandom(0, _loremList.length-1, 0)] + ((if i < (words - 1) then " " else ""))
i++
output
_parseABC = (columnValue) ->
tokens = parseTokens columnValue, 3
getABC parseInt(tokens[1], 0)
_parseValue = (columnValue) ->
columnTokens = columnValue.split("|")
output = []
i = 0
length = columnTokens.length
while i < length
token = columnTokens[i]
i++
unless token.indexOf("ABC") is -1
output.push _parseABC(token)
continue
unless token.indexOf("plorem") is -1
output.push _parsePLorem(token)
continue
unless token.indexOf("lorem") is -1
output.push _parseLorem(token)
continue
unless token.indexOf("...") is -1
output.push _parseRangeValue(token)
continue
if token is "GUID"
output.push getGUID()
continue
output.push token
(if output.length is 1 then output[0] else output.join(""))
_parseColumn = (columnName, columnValue) ->
tokens = null
return columnValue if typeof columnValue is "number"
return _parseValue(columnValue) if typeof columnValue is "string"
return columnValue() if typeof columnValue is "function"
if typeof columnValue is "object"
if columnValue.hasOwnProperty("length") # array
value = columnValue[getRandom(0, columnValue.length - 1)]
return _parseColumn('', value);
else
tokens = [columnValue, 0]
if columnValue.hasOwnProperty("_rows_") and columnValue.hasOwnProperty("_template_")
tokens[0] = columnValue._template_
tokens[1] = columnValue._rows_
return generate(tokens[0], tokens[1])
columnValue
parseTokens = (value, defaultval) ->
tokens = value.split(":")
defaultval = [defaultval] unless defaultval.hasOwnProperty("length")
defaultTokens = [value].concat(defaultval)
for val, i in defaultTokens
if typeof tokens[i] is "undefined"
tokens[i] = val
tokens
#function to get random number upto m
getRandom = (base, limit) ->
floatVal = (if arguments.length is 3 then arguments[2] else 0)
limit = base+0.9 if isNaN(limit)
rndVal = base + (Math.random() * (limit - base))
(if floatVal is 0 then Math.round(rndVal) else Number(rndVal.toFixed(floatVal)))
# credit: http://note19.com/2007/05/27/javascript-guid-generator/
getGUID = ->
s4 = ->
# 65536
Math.floor((1 + Math.random()) * 0x10000)
.toString(16)
.substring(1)
s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4()
getABC = (wordLength) ->
abc = ("abcdefghijkmlnopqrstuvwxyz").split("")
output = ""
i = 0
while i < wordLength
output += abc[getRandom(0, abc.length - 1, 0)]
i++
output
#Ozipi's additions https://github.com/ozipi
getDatesRandomData = (itemsNumber) ->
data = []
months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Ags", "Sep", "Oct", "Nov", "Dic"]
currentDate = new Date()
i = 0
while i < itemsNumber
nextDate = currentDate.getDate() + i
dateString = months[currentDate.getMonth()] + " " + nextDate + "," + currentDate.getFullYear()
data.push dateString
i++
data
#Ozipi's additions https://github.com/ozipi
getRandomArrayValues = (arrayNumber, base, limit) ->
values = []
i = 0
while i < arrayNumber
values.push getRandom(base, limit)
i++
values
generate: generate
getRandom: getRandom
getDatesRandomData: getDatesRandomData
getRandomArrayValues: getRandomArrayValues
# Establish the root object, `window` in the browser, or `global` on the server.
root = this
if typeof module isnt "undefined" and typeof module.exports isnt "undefined"
# "NODEJS"
module.exports = DataFixturePlugin
else
# "BROWSER"
root.DataFixture = DataFixturePlugin
###
# test
r = DataFixture.generate(
"#":"0...10"
n:1
nn:"1...10000"
nnn:"1...10000:2"
l:"lorem"
p:"plorem:1...10:1...2"
xx:"1|-|ABC:4|-|lorem:1...3"
obj:
"#":3
name: "lorem:1..3"
)
console.log r
###