bdkosher

import groovy.transform.*
/*
 * Configuration:
 *
 * @twoDigit - if false, problems will be single digit operands and answers; if true, one or two digits
 * @independentProblems - if false, the answer to the previous problem is the first operand of the
 *                        subsequent problem, and a finalResult value must be specified
 * @additionOnly - if true, all problems generated will be addition; if false, it'll be a mix of
 *                 addition and subtraction
 *

bdkosher

// store Groovy script in directory where ZIP was extracted
// run vertx run FlappyBird.groovy
def root = /FlappyBirdRL-master/
vertx.createHttpServer().requestHandler { req ->
  def file = java.net.URLDecoder.decode(req.uri == "/" ? "index.html" : req.uri, 'UTF-8')
  req.response.sendFile "$root/$file"
}.listen(8080)

bdkosher

class EasyDateCategory extends groovy.time.TimeCategory {
    static asType(String str, Class clazz) {
        if (clazz == Date) {
            new java.text.SimpleDateFormat('yyyy-MM-dd').parse(str)
        } else {
            str.asType(clazz)
        }
    }
}

bdkosher

/*
 * Processes file as a CSV, row by row, using the provided closure. An optional starting 
 * row number may be provided to this method, defaulting to 1 (the first row).
 * 
 * The provided closure can accept one or two arguments, either:
 * - the row values (String[])
 * - the row values (String[]), the current row number (int)
 *
 * Currently, only commas are recognized as the separator. Quoted values are handled

bdkosher

@groovy.transform.Field String pattern = 'A__S__E'

class XWordCategory {
    static boolean matchesPattern(String self, String pattern) {
          pattern == null ? false : self ==~ pattern.replace('_', /\w{1}/)
    }
}

use(XWordCategory) {
    assert 'KEPI'.matchesPattern('____')

bdkosher

import groovy.time.TimeCategory

[Date, Integer].each { it.mixin(TimeCategory) }

println Date.parse('yyyy-MM-dd', '2014-04-04') + 1.months

bdkosher

assert String.format('%tA', Date.parse('yyyy-MM-dd', '2013-02-04')) == 'Monday'

bdkosher

InputStream.metaClass.eachChunk << { int preferredChunkSize, Closure closure ->
    delegate.eachByte(preferredChunkSize) { buffer, bytesRead ->
        if (bytesRead == preferredChunkSize) {
            closure(buffer)
        } else if (bytesRead > 0) {
            byte[] data = new byte[bytesRead]
            System.arraycopy(buffer, 0, data, 0, bytesRead)
            closure(data)
        }
    }

bdkosher

// For moving jars in order to take advantage of Groovy's indy feature
def groovyHome = args.length == 0 ? new File('.') : new File(args[0])
def libDir = new File(groovyHome, 'lib')
def indyDir = new File(groovyHome, 'indy')

if (!groovyHome.exists() || !libDir.exists() || !indyDir.exists() || !new File(groovyHome, 'bin').exists()) {
    println "$groovyHome does not appear to be a valid Groovy Home"
    System.exit(0)
}

bdkosher

int colToIndex(String col) {
    col.length() == 1 ? col.chars[0] - 65 : (col.chars[0] - 64) * Math.pow(26, col.length() - 1) + colToIndex(col.substring(1))
}

[A:0, B:1, Y:24, Z:25, AA:26, AB:27, AY:50, AZ:51, BA:52, BB:53, 
 BY:76, BZ:77, CA:78, CB:79, CY:102, CZ:103, DA:104, DB:105, 
 ZY:700, ZZ:701, AAA:702, AAB: 703, AAZ: 727, ABA: 728, AZZ: 1377, 
 BAA:1378 ].each { k, v -> 
    assert colToIndex(k) == v 
}